1 2000-05-20 Bruce Korb <bkorb@gnu.org>
3 * fixinc/inclhack.def: more applications of c_fix=format + tests
4 * fixinc/check.diff: regenerated
6 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8 * alias.c: Clarify some comments.
9 (record_base_value): REGNO is unsigned.
10 * rtl.h (record_base_value): Likewise.
12 * alias.c (aliases_everything_p): Don't special-case QImode here.
13 * c-common.c (c_get_alias_set): Do it here.
14 Handle BIT_FIELD_REF by getting alias info for arg.
17 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
19 * mklibgcc.in: Restore rule to create ${dir}.
21 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
23 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
24 GCC_FOR_TARGET used by MULTILIBS.
25 * mklibgcc.in: Make sure each .o file depends on the
26 directory it will be in.
27 Make the multilib directory depends libgcc.
29 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
31 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
33 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
35 * fold-const.c (make_range): Handle degenerated intervals.
36 Fixes c-torture/execute/991221-1.c
38 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
40 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
41 * reload.c (find_equiv_reg): Likewise.
42 * alias.c (init_alias_analysis): Likewise.
43 Only call prologue_epilogue_contains on insns.
44 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
45 * bb-reorder.c (hard-reg-set.h): Include earlier.
46 * haifa-sched.c (hard-reg-set.h): Likewise.
47 * ifcvt.c (hard-reg-set.h): Likewise.
48 * local-alloc.c (hard-reg-set.h): Likewise.
49 * loop.c (hard-reg-set.h): Likewise.
50 * predict.c (hard-reg-set.h): Likewise.
51 * regrename.c (hard-reg-set.h): Likewise.
52 * flow.c (hard-reg-set.h): Likewise.
53 (reg_set_to_hard_reg_set): New function.
54 * bitmap.c (regs.h, basic-block.h): No longer include.
55 (bitmap.h): Now include.
56 * conflict.c (hard-reg-set.h): Include.
57 * profile.c (hard-reg-set.h): Likewise.
58 * print-rtl.c (hard-reg-set.h): Likewise.
59 * sbitmap.c (hard-reg-set.h): Likewise.
60 * toplev.c (hard-reg-set.h): Likewise.
61 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
62 * hard-reg-set.h (reg_names): Now constant.
63 * regs.h (reg_names): Likewise.
64 * regclass.c (reg_names): Likewise.
65 * loop.h (basic-block.h): No longer include.
66 (bitmap.h): Now include.
67 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
68 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
69 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
71 2000-05-19 Jan Hubicka <jh@suse.cz>
72 Richard Henderson <rth@cygnus.com>
74 * basic-block.h (struct edge_def): New field "count".
75 (struct basic_block_def): Likewise.
76 * flow.c (entry_exit_blocks): Add count fileds.
77 (split_edge): Keep count information up-to-date.
78 (dump_edge_info, dump_flow_info): Dump count fields.
80 * final.c (count_instrumented_edges): Rename to edge from arc.
81 (end_final): Update users.
82 * profile.c: Include expr.h, basic-block.h.
83 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
84 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
85 (ignore_next_note, return_label_execution_count): Kill.
86 (bbg_file_name, da_file_name): Kill.
87 (edge_info, bb_info): New structures.
88 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
89 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
90 (total_num_edges_instrumented): Likewise.
91 (init_arc, expand_spanning_tree): Kill.
92 (fill_spanning_tree, tablejump_entry_p): Kill.
93 (instrument_edges): Rewrite from instrument_arcs to use
94 commit_edge_insertions infrastructure.
95 (compute_branch_probabilities): Remove arguments; rewrite for
96 CFG infrastructure; use rtl_dump_file directly.
97 (branch_prob, find_spanning_tree): Likewise.
98 (union_groups, find_group): New.
99 (init_branch_prob): Make bbg_file_name and da_file_name local.
100 (end_branch_prob): Use rtl_dump_file directly.
101 (init_edge_profiler): Rename to edge from arc.
102 (output_arc_profiler): Kill.
103 (gen_edge_profiler): New.
104 (output_func_start_profiler): Turn off profiling. Make the
105 constructor static when we can.
106 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
108 * toplev.c (DFI_flow): Remove.
109 (DFI_cfg, DFI_life): New.
110 (dump_file): Update accordingly.
111 (compile_file): Call end_branch_prob if profile_arc_flag too.
112 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
113 profiling after the CFG is built. Move flow1 life analysis to
114 DFI_life. Always estimate remaining probabilities.
116 2000-05-19 Richard Henderson <rth@cygnus.com>
118 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
120 * flow.c (make_edges): The sibling call edge to exit is abnormal.
122 2000-05-19 Richard Henderson <rth@cygnus.com>
124 * jump.c (redirect_jump): Add delete_unused argument. Don't
125 remove labels and code following when LABEL_NUSES goes to zero.
126 (invert_jump): Likewise.
127 (jump_optimize_1): Fix redirect/invert arguments.
128 (do_cross_jump, thread_jumps): Likewise.
129 * flow.c (split_edge): Likewise.
130 * reorg.c (optimize_skip): Likewise.
131 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
132 * profile.c (instrument_arcs): Likewise.
133 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
134 * rtl.h: Update prototypes.
136 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
138 * ssa.c (convert_from_ssa): Tell life_analysis we need death
140 (make_regs_equivalent_over_bad_edges): Only look at abnormal
143 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
145 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
146 past l1 when deleting whitespace and markers.
148 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
149 * cpplib.c (do_unassert): Put the list to compare against on
152 2000-05-19 Bruce Korb <bkorb@gnu.org>
154 * fixinc/README: cleaned up old documentation
155 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
156 * fixinc/check.tpl: compute the list of needed directories
157 emit "#if defined(name)" because of conflict
158 omit machine name differences from output differences
159 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
160 (machine_name): change test text to use `sed' markers
161 * fixinc/fixincl.x: regen
163 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
165 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
168 2000-05-18 Chris Demetriou <cgd@sibyte.com>
170 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
171 it to match the current practice.
173 2000-05-18 Mark Mitchell <mark@codesourcery.com>
175 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
177 2000-05-18 Richard Henderson <rth@cygnus.com>
179 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
180 * rtl.h (insn_dependant_p): Declare it.
181 * loop.c (strength_reduce): Use it.
183 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
185 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
186 16-bit and 64-bit clean-up.
188 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
190 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
191 * configure: Rebuilt.
193 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
195 * genopinit.c: Use $ for escape sequences in optab patterns.
196 Remove backslashes from optab patterns. Change $A, $B, $C to
197 expand to (int) whatever instead of just whatever; remove
198 explicit (int) from all optab patterns.
200 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
201 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
202 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
203 genrecog.c: Remove private copies of xmalloc, xrealloc, and
206 2000-05-18 Richard Henderson <rth@cygnus.com>
208 * jump.c (jump_optimize_1): Base minimum insn count during
209 find_cross_jump on BRANCH_COST.
211 2000-05-18 Jakub Jelinek <jakub@redhat.com>
213 * print-rtl.c (print_rtx): Only print note line number as string
214 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
215 * final.c (final_scan_insn): Do nothing for note line number 0.
217 2000-05-18 Jakub Jelinek <jakub@redhat.com>
219 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
220 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
221 NOTE_INSN_DELETED_LABEL.
223 2000-05-18 Nick Clifton <nickc@cygnus.com>
225 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
226 uninitialised data in .rodata not .bss, and do not interpret an
227 error in the initialisation value as meaning that the variable
228 should be placed in the .bss section.
230 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
232 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
233 not `$ac_cv_prog_cc_cc_c_o'.
234 * configure: Regenerated.
236 2000-05-18 Chris Demetriou <cgd@sibyte.com>
237 Richard Henderson <rth@cygnus.com>
239 * c-common.h (enum c_tree_index): Add g77 type entries.
240 (g77_integer_type_node, g77_uinteger_type_node): New.
241 (g77_longint_type_node, g77_ulongint_type_node): New.
242 * c-decl.c (init_decl_processing): Initialize them.
244 2000-05-18 Richard Henderson <rth@cygnus.com>
246 * config/h8300/h8300.md (subs patterns): Use %G to negate.
248 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
249 (small_power_of_two): Likewise; use exact_log2.
250 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
251 (output_adds_subs): Remove.
252 (two_insn_adds_subs_operand): New.
253 (split_adds_subs): New.
254 * config/h8300/h8300-protos.h: Update.
255 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
256 (CONST_OK_FOR_L): Match strict adds operands.
257 (CONST_OK_FOR_N): Match struct subs operands.
258 * config/h8300/h8300.md (adds_subs insns): Remove.
259 (addhi patterns): Output adds/subs directly.
260 (addsi_h8300h): Likewise.
261 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
263 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
265 * cppexp.c (parse_assertion): New.
266 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
267 (_cpp_parse_expr): Remove case '#'. Don't set
268 parsing_if_directive.
269 * cpphash.c (collect_objlike_expansion,
270 collect_funlike_expansion, collect_params,
271 _cpp_create_definition): The list no longer has a trailing
273 * cpphash.h (enum node_type): Add T_ASSERTION.
274 (struct hashnode): Remove aschain, add pred.
275 (struct predicate): New.
278 * cpplex.c (expand_token_space): Handle both offset and
280 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
281 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
282 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
283 _cpp_equiv_toklists): New.
284 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
285 stop at any single-character token, not just newline.
286 (_cpp_lex_token): Remove special cases for #define and #if.
287 (cpp_get_token): Expect # as a separate token type. Remove
289 (_cpp_get_directive_token): Remove DIRECTIVE case.
290 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
292 * cpplib.c (_cpp_check_directive): Set dirno and
293 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
294 (_cpp_handle_directive): Run # <number> through the same logic
295 as normal directives.
296 (do_define): Don't set parsing_define_directive. Use
297 _cpp_scan_until. The list does not have a VSPACE at the end.
298 (do_if): Save, clear, and restore only_seen_white around
300 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
301 (do_assert, do_unassert): Rewrite.
303 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
304 (LIST_OFFSET): New flag.
305 (struct cpp_toklist): Replace dir_handler and dir_flags with
307 (struct cpp_reader): Remove parsing_if_directive and
308 parsing_define_directive.
310 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
312 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
313 following the cabs decl which terminate on the following line.
314 Add the corresponding test_text case.
316 2000-05-18 Neil Booth <NeilB@earthling.net>
318 * cppinit.c (cpp_reader_init): Initialise col_adjust and
319 default tab stop size.
320 (no_num, OPT_ftabstop): New.
321 (handle_option): Handle "ftabstop=" command-line option.
322 (print_help): Document it.
323 * cpplex.c (COLUMN): Remove.
324 (handle_newline): Reset col_adjust.
325 (skip_whitespace): Update col_adjust as tabs encountered.
326 (_cpp_lex_line): Update to use col_adjust. Call
327 skip_whitespace for all whitespace.
328 * cpplib.h (struct cpp_options): New member tabstop.
329 (struct cpp_reader): New member col_adjust.
330 (CPP_BUF_COL): Update.
331 (CPP_BUF_COLUMN): New.
332 * cpp.texi: Document "-ftabstop=" command line option.
334 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
336 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
338 * configure: Rebuilt.
340 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
342 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
344 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
345 HOST_BITS_PER_WIDE_INT is >= 64.
347 2000-05-17 Richard Henderson <rth@cygnus.com>
349 * jump.c (jump_optimize_1): Remove inactive but real insns
350 in jump-to-next-insn optimization.
352 2000-05-17 Richard Henderson <rth@cygnus.com>
354 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
355 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
356 Don't call recompute_reg_usage if no_new_pseudos is true.
357 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
358 Return true if we did work; update global life information.
359 * basic-block.h (optimize_mode_switching): Update decl.
361 2000-05-17 Neil Booth <neilb@earthling.net>
363 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
365 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
367 * cpplib.c: New feature, #pragma system_header.
368 * cpp.texi: Document special treatment of system headers, and
369 the various mechanisms to get a header that special treatment.
371 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
373 * system.h (offsetof): Define at the very end, to ensure we prefer
374 the platform's definition if available.
376 2000-05-16 Bruce Korb <bkorb@gnu.org>
378 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
379 * fixinc/server.c: likewise
380 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
381 + #ifdef debugging code + use #def constant for
383 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
384 on C++ math namespace
386 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
388 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
389 Don't check the return value of sprintf. Use asprintf to avoid
392 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
394 * flags.h (warn_unused_function, warn_unused_label,
395 warn_unused_parameter, warn_unused_variable, warn_unused_value):
396 Replace ``warn_unused''.
397 (set_Wunused): Add declaration.
398 * toplev.c (set_Wunused): New function.
399 (warn_unused_function, warn_unused_label, warn_unused_parameter,
400 warn_unused_variable, warn_unused_value): New variables.
401 (W_options): Add -Wunused-function, -Wunused-function,
402 -Wunused-label, -Wunused-parameter, -Wunused-variable and
403 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
405 * toplev.c (decode_W_option): Update -Wunused flags by calling
407 * c-decl.c (c_decode_option): Ditto for -Wall.
409 * stmt.c (expand_expr_stmt, expand_expr_stmt,
410 warn_about_unused_variables): Replace warn_unused with more
411 explicit warn_unused_value et.al.
412 * function.c (expand_function_end): Ditto.
413 * c-typeck.c (internal_build_compound_expr,
414 internal_build_compound_expr): Ditto.
415 * c-decl.c (poplevel, pop_label_level): Ditto.
416 * toplev.c (check_global_declarations): Replace warn_unused with
417 check for either warn_unused_function or warn_unused_variable.
419 * gcc.1, invoke.texi (Warning Options): Document
420 -Wunused-function, -Wunused-function, -Wunused-label,
421 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
423 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
425 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
426 $(srcdir), not in the current directory.
428 2000-05-16 Richard Henderson <rth@cygnus.com>
430 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
431 assembler supports it.
432 (.fini, .init): Use a gp-relative indirect call.
433 (__do_global_dtors_aux): Preserve the gp; rebundle.
434 (__do_frame_setup): Likewise.
435 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
436 (.init): Use a gp-relative indirect call.
437 (__do_global_ctors_aux): Preserve the gp.
439 2000-05-16 Richard Henderson <rth@cygnus.com>
441 * flow.c (commit_one_edge_insertion): Be prepared for a return
442 insn to be inserted on the edge with a normal jump.
443 * jump.c (jump_optimize_1): Don't look to create return isns.
445 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
446 * jump.c (jump_optimize_1): Likewise.
447 (returnjump_p): Verify the argument is a JUMP_INSN.
448 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
450 2000-05-16 Nick Clifton <nickc@cygnus.com>
452 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
453 GET_RTX_CLASS (GET_CODE ()) == 'i'.
454 (large_insn_p): Ditto.
455 (m32r_is_insn): New function: Return true if the insn contains
456 an executable instruction.
457 (m32r_adjust_insn): Use m32r_is_insn.
458 (m32r_sched_reorder): Use m32r_is_insn.
459 (m32r_sched_variable_issue): Use m32r_is_insn.
461 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
463 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
466 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
468 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
469 according to given options.
471 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
473 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
474 if X has VOIDmode either.
475 (LIMIT_RELOAD_CLASS): Similarly.
477 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
478 not "general_operand" to match the processor's capabilities.
480 2000-05-16 Bruce Korb <bkorb@gnu.org>
482 * fixinc/README: corrected return address
483 * fixinc/check.diff: regenerate, now that test works
484 * fixinc/fixfixes.c(format_fix,format_write): reformatted
485 (char_macro_def_fix,char_macro_use_fix): corrected and
486 rewrote to use regex to parse the text
487 * fixinc/inclhack.def: more testing
488 * fixinc/fixincl.x: regenerated
490 * fixinc/inclhack.def: added several "test_text" attributes
491 changed several fixes to use `c_fix = format'
492 re-alphabetized the fixes
494 * fixinc/check.diff: regenerate
495 * fixinc/fixincl.x: regenerate
496 * fixinc/check.tpl: added `sparc' and `netinet' to the list
500 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
502 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
504 2000-05-15 Richard Henderson <rth@cygnus.com>
506 * toplev.c (rest_of_compilation): Run full jump pass before
507 find_basic_blocks of flow2.
509 2000-05-15 Richard Henderson <rth@cygnus.com>
511 * jump.c: Fix typos and clarify commentary from last change.
512 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
513 (safe_to_remove_jump_p): Remove.
514 (condjump_label): Use pc_set.
516 2000-05-15 Richard Henderson <rth@cygnus.com>
518 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
519 that get in the way after reload.
520 (cond_exec_process_if_block): Skip a label heading THEN block.
522 2000-05-15 Richard Henderson <rth@cygnus.com>
524 * varasm.c (output_constant_pool): Abort instead of converting
525 (improperly) deleted labels to zero.
527 2000-05-16 Neil Booth <NeilB@earthling.net>
529 * cpplex.c (parse_string2): Update comment.
530 (cpp_lex_line): No special assertion treatment for '('.
531 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
532 * cpplib.h (SYNTAX_ASSERT): Remove.
534 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
536 * jump.c (condjump_p): Mark as depreached.
537 (any_condump_p): New.
538 (any_uncondump_p): New.
540 (safe_to_remove_jump_p): New.
541 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
542 safe_to_remove_jump_p): Declare.
544 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
546 * calls.c: Re-install both patches reverted by last patch.
547 (struct arg_data): New field tail_call_reg.
548 (initialize_argument_information): Initialize tail_call_reg
549 (load_register_parameters): New argument flags, use
550 tail_call_reg when emiting tail call sequence.
551 (expand_call): Update call of load_register_parameters;
552 copy unadjusted_args_size to adjusted_args_size.
554 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
556 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
557 and bct_p parameters to flags.
558 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
559 * rtl.h (loop_optimize): Update prototype.
560 * toplev.c (rest_of_compilation): Update call of loop_optimize.
562 2000-05-15 Jakub Jelinek <jakub@redhat.com>
564 * calls.c (expand_call): Move expand_start_target_temps call after
567 2000-05-15 Neil Booth <NeilB@earthling.net>
569 * cpphash.c (trad_stringify, warn_trad_stringify,
570 collect_params): Make some pointers pointers to const.
571 * cpplex.c (auto_expand_name_space) Guaranteed to always
572 expand by at least one character.
573 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
574 (struct token_spelling): Use const U_CHAR * rather than PTR.
575 (expand_name_space): Fix up token pointers if name space
576 is moved when expanding.
577 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
578 parse_string2, save_comment, spell_token, cpp_output_list):
579 Update so the routines handle tokens with a direct pointer to
580 their text, rather than an offset into the token's list's namebuf.
581 (_cpp_lex_line): Rearrange for clarity.
583 * cpplib.c (_cpp_check_directive): Similarly.
584 (do_define): Make SYM a pointer to const.
585 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
586 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
587 (TOK_OFFSET): Delete.
590 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
592 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
595 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
597 (logical_u_operand): Delete.
598 (non_logical_cint_operand): Rewrite to take MODE into account.
599 (non_logical_u_cint_operand): Delete.
600 (boolean_operator): New function.
601 (print_operand): Add new %q operand.
602 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
603 remove logical_u_operand and non_logical_u_cint_operand,
604 update logical_operand and non_logical_cint_operand.
605 * config/rs6000/rs6000.md: Rewrite the patterns for performing
606 logical operations to use %q.
608 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
609 (movdi): Make similar to movsi.
610 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
611 is no such thing as a DImode CONST_DOUBLE.
612 * config/rs6000/rs6000.c (output_toc): Likewise.
614 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
615 codes when old mnemonics are in use. Print register names
616 for cc registers when requested.
618 * optabs.c (expand_float): Don't allow mode widening that causes
621 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
622 flags to their current names -maix64 and -maix32.
624 2000-05-14 Bruce Korb <bkorb@gnu.org>
626 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
627 and/or after current text of file
628 * fixinc/fixlib.c(must_malloc):
629 * fixinc/fixlib.h(must_malloc): + reformatting
630 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
631 with usages of ``c_fix = wrap;''
632 Add several tests and use the ``c_fix = format'' fixer more.
633 * fixinc/fixincl.x: regen
634 * fixinc/check.diff: regen
635 * fixinc/check.tpl: emit the associated header with the missing
638 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
640 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
641 variables $src and $dst.
643 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
645 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
646 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
647 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
648 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
650 (set_message_prefixing_rule): Declare.
652 * diagnostic.c: (current_prefixing_rule): New variable.
653 (set_message_prefixing_rule): Define.
654 (output_set_prefix): Adjust buffer->emitted_prefix_p.
655 (init_output_buffer): Adjust Initialization.
656 (output_emit_prefix): Rewrite. Take prefixing rules into account.
658 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
660 * ifcvt.c (if_convert): Do not free NULL.
662 2000-05-12 Nick Clifton <nickc@cygnus.com>
664 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
665 to move a double word value.
666 (di_operand): New function: Return true if the operand is suitbale
667 for a double word move operation.
668 (nonimmediate_di_operand): New function: Return true if the
669 operand is a DImode register or MEM.
671 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
672 nonimmediate_di_operand.
674 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
675 nonimmediate_di_operand.
677 * config/fr30/fr30.md (movdi): New pattern. Required because
678 other patterns generate DImode results.
679 (movdi_insn): New pattern.
681 2000-05-12 Richard Henderson <rth@cygnus.com>
683 * config/alpha/alpha.c (struct shadow_summary): Define
684 bitfields as type unsigned int.
686 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
688 * config/avr/t-avr: Added definition of FLOAT while generates
691 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
692 peepholes for tst+jump = sbrs/sbrc optimization.
694 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
696 * expr.c (emit_push_insn): Do not adjust stack pointer when
699 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
701 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
702 * system.h (offsetof): ... to here.
704 2000-05-12 Richard Henderson <rth@cygnus.com>
706 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
707 * final.c (final_end_function): Use app_disable. Rearrange note
708 handling into a switch. Emit deleted labels.
709 (output_asm_label): Generate label strings for deleted labels.
710 * flow.c (tail_recursion_label_list): New.
711 (find_basic_blocks_1): Set label_value_list directly. Collect list
712 of tail recursion labels from call_placeholders. Don't add deleted
713 labels to the label value list.
714 (cleanup_cfg): Use free_EXPR_LIST_list.
715 (flow_delete_insn_chain): Turn non-removable labels into notes.
716 (flow_delete_block): Don't disable deleting the block because of
717 a non-removable label.
718 (tail_recursion_label_p): New.
719 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
721 (merge_blocks_move_successor_nojumps): Likewise. Also move a
723 (merge_blocks): Disable a merge because of tail recursion labels.
724 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
725 Use a more accurate measure of not merging the join block.
726 (find_if_block): Don't disable conversion because of a label.
727 (find_if_case_1, find_if_case_2): Likewise.
728 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
729 element when copying.
730 (squeeze_notes): Also leave EH notes.
731 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
733 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
735 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
736 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
737 referring to a deleted label. Convert tail handling to a switch.
738 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
739 for NOTE_INSN_DELETED_LABEL.
740 (NOTE): Fix commentary.
741 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
742 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
743 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
744 (LABEL_NUSES, LABEL_REFS): Likewise.
745 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
747 2000-05-12 Bruce Korb <bkorb@gnu.org>
749 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
750 * fixinc/check.diff: updated
751 * fixinc/inclhack.def: corrected & added some test_text-s
752 * fixinc/genfixes: removed unneeded options to autogen invocation
753 * fixinc/fixincl.tpl: Specified the output file
754 * fixinc/fixfixes.c: visual appearance
755 * fixinc/fixincl.x: regenerate
757 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
759 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
760 CTRL_defn_fix): Delete.
761 (fix_char_macro_defines, fix_char_macro_uses): Rename to
762 char_macro_def_fix and char_macro_use_fix, respectively. Put
763 them into the FIXUP_TABLE. Get the string to search for from
766 (format_write): New function.
767 (format_fix): Use it.
769 (FIX_PROC_HEAD): Constify text parameter.
770 (machine_name_fix): Constify all char *s.
771 * fixtests.c (skip_quote): Remove double static.
773 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
774 ctrl_use_quotes): Update for new scheme.
775 * fixincl.x: Regenerate.
777 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
779 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
781 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
782 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
784 2000-05-11 Robert Lipe <robertlipe@usa.net>
786 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
787 * fixincl.x: Regenerate.
789 2000-05-11 Richard Henderson <rth@cygnus.com>
791 * calls.c: Revert both 05-09 patches.
793 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
795 * config/mn10300/mn10300.c (print_operand): Print FP constants in
797 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
800 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
801 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
803 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
805 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
807 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
809 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
811 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
813 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
814 * config/avr/avr.c (jump_over_one_insn_p): New function.
815 * config/avr/avr.md: New peepholes added. Output test and
816 conditional jump to "sbrc" or "sbrs" command.
818 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
820 * cppmain.c (main): Use IS_DIR_SEPARATOR.
822 2000-05-11 Jakub Jelinek <jakub@redhat.com>
824 * except.c (find_exception_handler_labels_1): New function.
825 (find_exception_handler_labels): Split into two functions, dive
826 into CALL_PLACEHOLDERs when looking for exception handler labels.
828 2000-05-11 Stan Cox <scox@cygnus.com>
830 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
831 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
832 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
834 2000-05-11 Bruce Korb <bkorb@gnu.org>
836 * fixinc/fixfixes.c (double_slash_fix): obsolete
837 (else_endif_label_fix): obsolete
838 (format_fix): new, unused as yet
840 * fixinc/fixlib.h: added fix description struct for use by format_fix
841 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
842 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
843 modules. Removed the vestiges of the script version.
844 Added support for "make check".
845 * fixinc/check.diff: base diff file (needs work!!)
846 * fixinc/check.tpl: quiet the fixup output
847 * fixinc/fixtests.c (main): obsolete
848 * fixinc/fixincl.sh: don't bother copying fixincl to ..
849 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
851 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
853 * toplev.c (rest_of_compilation): Remove dead code after
856 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
858 * cpphash.c (collect_funlike_expansion): Make "# is not
859 followed by a macro argument name" a pedwarn, not an error.
860 Preserve the # in the output. Suppress the warning if lang_asm.
862 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
864 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
865 * configure: Rebuilt.
867 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
869 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
871 2000-05-10 Kazu Hirata <kazu@hxi.com>
873 * combine.c (try_combine): Fix a typo.
875 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
877 * config/ia64/ia64.md (insv): Add comment.
879 2000-05-10 Richard Henderson <rth@cygnus.com>
881 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
882 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
883 dependancies on FPBIT and DPBIT.
885 2000-05-10 Nick Clifton <nickc@redhat.com>
887 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
888 when optimising for size.
889 (mark_used_regs:) Ditto.
890 (try_pre_increment_1): Ditto.
892 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
894 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
895 Make error message friendlier.
897 * cpphash.h (struct hashnode): Use struct hack for name
899 * cpphash.c (struct hashdummy): New.
900 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
901 (make_HASHNODE): No need to set ->name pointer. Correct
903 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
905 2000-05-10 Richard Henderson <rth@cygnus.com>
907 * flow.c (find_basic_blocks_1): Remove any spare bb_note
910 2000-05-10 Bruce Korb <bkorb@gnu.org>
912 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
914 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
916 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
917 after we enter .debug.
919 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
921 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
922 abstract instance of a nested inline function.
924 * stor-layout.c (finish_record_layout): finalize_type_size
925 before laying out the pending_statics.
927 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
929 * cpplex.c (spell_token): New function.
930 (spell_string, spell_comment, spell_name): fold into
933 (E, H): Remove macros.
934 (save_comment): Save comment opening characters too.
935 (_cpp_lex_file): Update to use spell_token. Tidy up comment
937 * cpplib.h (I, S): Add macros.
938 (E, H): Remove macros.
939 (TTYPE_TABLE): Update entries for new speller.
940 (SYNTAX_ASSERT): Remove.
942 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
944 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
945 when removing escaped newlines. Reverse sense of test for
948 2000-05-09 Richard Henderson <rth@cygnus.com>
950 * flow.c (find_basic_blocks_1): Do not delete the first
951 bb_note we run across.
952 (create_basic_block): Use reorder_insns to move an existing
953 bb_note to the correct place.
955 2000-05-09 Richard Henderson <rth@cygnus.com>
957 * calls.c (expand_call): Increment currently_expanding_call
958 before calling optimize_tail_recursion.
960 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
962 * reload1.c (reload_combine): Fix errors in last change.
964 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
966 * gcc.c (used_arg): Skip over a semicolon at the end of the
967 split-up loop; don't break out of it.
969 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
970 (tree.o): Depend on output.h.
972 * c-decl.c (pending_invalid_xref_file,
973 current_function_prototype_file): Constify.
974 (pushdecl): Constify a local char *.
975 (define_label): Constify filename parameter.
976 * c-lex.c (init_parse): Constify parameter and return value.
977 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
978 * c-tree.h: Update prototypes.
979 * c-parse.in: Constify filename member of %union, and if_stmt_file.
980 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
981 objc/objc-parse.c: Regenerate.
983 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
984 * dwarfout.h: Update prototypes.
985 * expr.c (expand_expr): Constify a local char *.
986 * flags.h: Constify main_input_filename.
987 * function.c (expand_function_end): Constify filename parameter.
988 * genrecog.c (make_insn_sequence): Use a character array for
990 (main): Remove unused variables.
991 * input.h: Constify input_filename, main_input_filename, and
992 file_stack.name. Update prototypes.
993 * output.h: Declare first_global_object_name and
994 weak_global_object_name here, as const char *.
995 * stmt.c (expand_asm_operands): Constify filename parameter.
996 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
997 Constify filename parameter.
998 (input_filename, main_input_filename): Constify.
999 * toplev.h: Update prototypes.
1000 * tree.c: Include output.h. Don't declare
1001 first_global_object_name or weak_global_object_name. Clean up string
1002 bashing in get_file_function_name_long.
1003 * tree.h (struct tree_decl): Constify filename member.
1004 (input_filename): Constify.
1006 * varasm.c (first_global_object_name, weak_global_object_name):
1008 (assemble_start_function, assemble_variable): Clean up string bashing.
1010 * gcc.c: Constify all spec-related strings initialized,
1011 transitively, from string constants. Constify all strings
1012 and string variables related to multilibs.
1013 (set_spec, read_specs): Cast argument to free to PTR.
1014 (used_arg): Do not modify multilib_matches. Use strncmp plus
1015 length comparison to compare multilib switches.
1016 * genmultilib: Constify everything declared in multilib.h.
1018 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
1020 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
1023 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
1025 * config/avr/avr-protos.h (extra_constraint): change a type of
1026 second argument from char to int to avoid warnings.
1027 (asm_output_byte): Likewise.
1029 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
1030 (initial_elimination_offset): Handle elimination from
1031 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
1032 (legitimate_address_p): Use MAX_LD_OFFSET.
1033 (legitimize_address): Likewise.
1034 (out_movqi_r_mr): Likewise.
1035 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
1036 (out_movsi_r_mr): Use MAX_LD_OFFSET.
1037 (out_movsi_mr_r): Likewise.
1038 (out_movqi_mr_r): Likewise.
1039 (out_movhi_mr_r): Likewise.
1040 (notice_update_cc): Correct CC for the ashrqi3 with the shift
1041 count as CONST_INT != 6.
1042 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
1043 shift count is a CONSTANT_P, but not a CONST_INT.
1044 (ashlhi3_out): Coding style modifications.
1045 (ashlsi3_out): Likewise.
1046 (ashrhi3_out): Likewise.
1047 (ashrsi3_out): Likewise.
1048 (lshrhi3_out): Likewise.
1049 (lshrsi3_out): Likewise.
1050 (ashrqi3_out): Generate shift for any known constant count without
1051 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
1052 but not a CONST_INT.
1053 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
1054 shift count is a CONSTANT_P, but not a CONST_INT.
1055 (extra_constraint): change a type of
1056 second argument from char to int to avoid warnings.
1057 (asm_output_byte): Likewise.
1058 (asm_file_end): Output size generated commands count as a hex
1061 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
1063 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
1065 (ashlqi3): Values of "length" attribute changed. Shift count
1066 uses constraints 'n' instead of 'i'.
1067 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
1068 shifts without clobber register.
1069 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
1070 (call_insn): Correct test for which_alternative == 1 (was 0).
1071 (call_value_insn): Likewise.
1073 * config/avr/t-avr: Remove definition of FLOAT while generates
1076 2000-05-09 Bruce Korb <bkorb@gnu.org>
1078 * fixinc/check.tpl: Template for checking fixes
1079 * fixinc/inclhack.def: Added 'test_text' for many fixes
1080 disable hpux8_bogus_inlines on SCO
1081 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
1083 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
1085 * calls.c (expand_call): Reorganize somewhat in order
1086 to avoid unnecesary recalculation inside loop and make
1087 tail call failure code cleaner.
1089 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1091 * alias.c (nonlocal_reference_p): Minor reformatting.
1092 * reload.c (find_equiv_reg): Simplify logic for
1093 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
1094 some some reformatting.
1095 * reload1.c (reload_combine): Don't assume everything in
1096 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
1098 2000-05-08 Richard Henderson <rth@cygnus.com>
1100 * final.c (current_insn_predicate): New.
1101 (final_scan_insn): Set it.
1102 * output.h (current_insn_predicate): Declare.
1104 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
1105 Attach it to call insns.
1106 (cond_exec_process_if_block): Track probability for true and
1108 (dead_or_predicable): Likewise.
1110 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
1111 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
1112 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
1113 (estimate_probability, expected_value_to_br_prob): Use them.
1115 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
1116 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
1117 (ia64_expand_prediction): New.
1118 (emit_insn_group_barriers): Don't look at notes. Emit barriers
1119 as needed after calls.
1120 (ia64_epilogue_uses): Mark b0 used.
1121 * config/ia64/ia64.md (beq_true, beq_false): Remove.
1122 (bne_true, bne_false): Remove.
1123 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
1124 (br_true, br_false): New. Use predicate_operator and
1125 ia64_expand_prediction.
1126 (return_true, return_false): Likewise.
1127 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
1128 (call_internal1, call_value_internal): Likewise.
1129 (call_value_internal1, call_multiple_values_internal1): Likewise.
1131 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
1133 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
1135 2000-05-08 Richard Henderson <rth@cygnus.com>
1137 * rtlanal.c (may_trap_p): Consider old-style and volatile
1140 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
1142 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
1144 2000-05-08 Richard Henderson <rth@cygnus.com>
1146 * config/ia64/ia64.h (predicate_operator): Declare.
1148 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
1151 * gensupport.c (process_rtx): Copy and post-process each member
1152 of the define_insn rtvec individually.
1154 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
1156 * cpplex.c (spell_token): New function.
1157 (TOKEN_LEN): Add 1 for whitespace.
1158 (_cpp_lex_file): Update to use spell_token.
1159 * cpplib.h (E): Remove.
1160 (TTYPE_TABLE): Update CPP_VSPACE entry.
1162 2000-05-08 Richard Henderson <rth@cygnus.com>
1164 * flow.c (init_propagate_block_info): Watch out for conditional
1165 branch to next instruction, and thus one outgoing edge.
1167 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
1168 for global register variables; don't special case __[CD]TOR_LIST__;
1169 mind ggc_p for string allocation.
1171 2000-05-08 Nick Clifton <nickc@cygnus.com>
1173 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
1175 2000-05-08 Bruce Korb <bkorb@gnu.org>
1177 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
1178 i?86-*-msdosdjgpp* no longer uses fixincludes
1179 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
1180 * fixinc/inclhack.sh: deleted
1181 * fixinc/hackshell.tpl: deleted
1182 * fixinc/inclhack.tpl: deleted
1183 * fixinc/Makefile.in: Remove dependencies on above
1184 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
1186 2000-05-08 Andreas Jaeger <aj@suse.de>
1188 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
1191 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
1193 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
1196 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
1198 * cpplex.c: Move new lexer definitions and prototypes
1199 to top. Conditional include these and the code if
1200 NEW_LEXER is defined. Rename functions whose names
1201 clash if this code included.
1203 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
1205 * rtl.def (COND_EXEC): Clarify.
1207 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
1208 same fashion as zero_extendsidi2.
1210 2000-05-06 Richard Henderson <rth@cygnus.com>
1212 * config/ia64/ia64.c (predicate_operator): New.
1213 (ia64_print_operand): Handle 'J'.
1214 (rtx_needs_barrier): Handle COND_EXEC.
1215 * config/ia64/ia64.h (BRANCH_COST): Define.
1216 (PREDICATE_CODES): Update.
1217 * config/ia64/ia64.md: Docuement used unspec values.
1218 (attr predicable): New.
1219 (movxf, movxf_internal): New.
1220 (extendsfdf2): Don't comment out nop.
1221 (floatdidf2): Remove.
1222 (truncxfsf2, truncxfdf2, floatdixf2): New.
1223 (abssi2, absdi2): Put the neg in the "true" slot.
1224 (conditional branch instructions): Mark not predicable.
1225 (cmov*_internal): Use predicate_operator. Split to cond_exec.
1226 (abs*_internal): Likewise.
1227 (alloc, set_bsp): Mark not predicable.
1228 (barrier, insn_group_barrier, flush_cache): Likewise.
1229 (define_cond_exec): New.
1231 2000-05-06 Richard Henderson <rth@cygnus.com>
1233 * c-decl.c: Include "tm_p.h".
1235 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
1236 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
1237 (ia64_expand_op_and_fetch): Declare.
1238 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
1239 (setjmp_operand): Constify variables for XSTR.
1240 (ia64_encode_section_info): Likewise.
1241 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
1243 (ia64_asm_output_external): Constify name.
1244 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
1245 (process_for_unwind_directive): Provide switch default.
1246 (ia64_expand_compare_and_swap): Remove unused variables.
1247 (ia64_expand_builtin): Likewise.
1248 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
1251 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
1252 (symbolic_operand, function_operand, setjmp_operand): Likewise.
1253 (shift_count_operand, shift_32bit_count_operand): Likewise.
1254 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
1255 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
1256 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
1257 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
1258 (ia64_expand_builtin): Likewise.
1259 (call_multiple_values_operation): Make dest_regno unsigned.
1261 2000-05-06 Richard Henderson <rth@cygnus.com>
1263 * rtl.def (DEFINE_COND_EXEC): New.
1264 * md.texi: Document it.
1266 * gensupport.c (input_file): Remove.
1267 (struct queue_elem): Add lineno.
1268 (rtx_ready_queue): Remove.
1270 (predicable_default): New.
1271 (predicable_true, predicable_false): New.
1272 (define_attr_queue, define_attr_tail): New.
1273 (define_insn_queue, define_insn_tail): New.
1274 (define_cond_exec_queue, define_cond_exec_tail): New.
1275 (other_queue, other_tail): New.
1276 (queue_pattern): New.
1277 (process_rtx): Add patterns to the appropriate queues.
1278 (is_predicable, identify_predicable_attribute): New.
1279 (n_alternatives, collect_insn_data): New.
1280 (alter_predicate_for_insn, alter_test_for_insn): New.
1281 (shift_output_template, alter_output_for_insn): New.
1282 (process_one_cond_exec, process_define_cond_exec): New.
1283 (init_md_reader): Read the entire file. Process define_cond_exec.
1284 (read_md_rtx): Return elements from the queues.
1286 2000-05-06 Richard Henderson <rth@cygnus.com>
1288 * flow.c (mark_set_1): Don't update conditional life info
1289 if the register is not_dead.
1291 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1293 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
1294 (mostlyclean): Also delete fixincl, fixinc.sh, and
1295 specs.ready, and make clean in the fixinc subdir.
1297 2000-05-06 Richard Henderson <rth@cygnus.com>
1299 * Makefile.in (gensupport.o): Compile for the host.
1300 (host-prefix gensuuprt.o): Remove.
1301 (genflags.o): Depend on gensupport.h and OBSTACK_H.
1302 (genattrtab.o): Likewise.
1303 (gencodes.o): Depend on gensupport.h.
1304 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
1305 (genpeep.o, genattr.o, genoutput.o): Likewise.
1307 * gensupport.c (obstack, rtl_obstack): New.
1308 (init_md_reader): Initialize rtl_obstack.
1309 * gensupport.h (rtl_obstack): Declare.
1310 (message_with_line): Declare.
1312 * genattr.c: Remove all traces of obstack manipulation.
1313 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1314 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
1316 * genattrtab.c (obstack, rtl_obstack): Remove.
1317 (main): Don't init rtl_obstack.
1318 * genflags.c: Likewise.
1320 * genrecog.c (message_with_line): Move ...
1321 * gensupport.c: ... here.
1323 2000-05-06 Richard Henderson <rth@cygnus.com>
1325 * c-typeck.c (build_c_cast): Remove dead code.
1327 2000-05-06 Richard Henderson <rth@cygnus.com>
1329 * flow.c (split_edge): Don't allocate global_live_at_start for
1330 the new block unless the old blocks had them as well.
1332 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
1334 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
1335 test_bb if a or b uses x.
1337 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1339 * cpphash.h: Remove conditional #define of __extension__.
1340 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
1341 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
1342 (ENABLE_RTL_CHECKING only).
1343 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
1344 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
1345 (ENABLE_TREE_CHECKING only).
1346 * varray.h: Add __extension__ to VARRAY_CHECK macro
1347 (ENABLE_CHECKING only).
1349 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1351 Use new tail-calling mechanism on ARM.
1352 * arm.md (sibcall, sibcall_value): New expands.
1353 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
1354 (tailcalling peepholes): Delete.
1355 (push_multi): Simplify.
1356 * arm.c (lr_save_eliminated): Delete definition.
1357 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
1358 (output_return_instruction): Remove checks on lr_save_eliminated.
1359 (output_arm_prologue): Remove old tail-calling code.
1360 (arm_output_epilogue): New parameter, really_return. All callers
1361 changed. Handle tail-calling epilogues.
1362 * arm.h (lr_save_eliminated): Delete declaration.
1363 (frame_pointer_needed): Delete declaration.
1364 * arm-protos.h (arm_output_epilogue): Adjust prototype.
1366 * arm.md (is_thumb): Examine symbol thumb_code, not expression
1368 * arm.c (thumb_code): Define it.
1369 (arm_override_options): Set it.
1370 * arm.h (thumb_code): Declare it.
1372 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1374 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
1376 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1378 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
1379 bogus clobber to insns.
1380 (load_multiple_operation, store_mulitple_operation): Don't check
1382 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
1384 * arm.md (and_scc, ior_scc): Add missing mode.
1386 * arm.md (call_value_symbol): Remove predicate from op2.
1388 * arm.h (SPECIAL_MODE_PREDICATES): Define.
1390 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1392 * expr.c (get_subtarget): New function.
1393 (force_operand, expand_expr, do_store_flag): Use it.
1395 * toplev.c (compile_file): Don't take strlen of NAME if null.
1397 2000-05-06 David Edelsohn <edelsohn@gnu.org>
1399 * xcoffout.c (xcoff_current_include_file,
1400 xcoff_current_function_file, xcoff_lastfile): Constify char *.
1401 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
1403 (xcoffout_declare_function): Make name 'const char *'.
1404 (xcoffout_end_epilogue): Make fname 'const char *'
1405 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
1406 xcoffout_declare_function, xcoffout_source_line): Match above.
1408 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
1410 * rs6000.c (print_operand): Fix lossage typo.
1411 (output_cbranch): Remove "cr" decoration for now.
1412 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
1414 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
1416 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
1419 2000-05-05 Bruce Korb <bkorb@gnu.org>
1421 * fixinc/genfixes: Improve the matching for make target names
1423 2000-05-05 Catherine Moore <clm@cygnus.com>
1425 * c-common.c (decl_attributes): For TYPE_DECLs attach the
1426 attribute to the decl.
1427 * c-decl.c (pushdecl): Propagate the USED attribute to the
1430 2000-05-05 Richard Henderson <rth@cygnus.com>
1432 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
1433 same way emit_group_load does.
1435 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
1437 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
1439 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
1442 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
1444 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
1446 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
1448 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
1449 to support -shared, on platforms with dynamic libraries.
1451 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
1453 * system.h (S_ISBLK): Provide fallback definition.
1455 2000-05-05 Geoff Berry <geoffb@bops.com>
1457 * extend.texi (Extended Asm): Document inability to give asm
1458 statements access to condition codes.
1460 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
1462 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
1463 as arg 2 of UNIQUE_SECTION.
1465 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
1467 * predict.c: Remove May 4 change.
1468 * bb-reorder.c (make_reorder_chain): Do not perform block movement
1469 if we have predicted the branch at 50-50 probability.
1471 2000-05-05 Richard Henderson <rth@cygnus.com>
1473 * flow.c (init_propagate_block_info): Fix merge error
1474 in HAVE_conditional_execution code.
1476 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
1478 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
1479 shift cycle for unknown shift count. Also generates dec + brpl.
1480 (ashlqi3_out): Don't generate dec + brpl which now generates by
1481 `out_shift_with_cnt'.
1482 (ashlhi3_out): Likewise.
1483 (ashlsi3_out): Likewise.
1484 (ashrqi3_out): Likewise.
1485 (ashrhi3_out): Likewise.
1486 (ashrsi3_out): Likewise.
1487 (lshrqi3_out): Likewise.
1488 (lshrhi3_out): Likewise.
1489 (lshrsi3_out): Likewise.
1491 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1493 * gcc.c (free_split_directories): Correct typo in explanation
1494 of make_relative_prefix.
1496 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1498 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
1499 comparison codes to branch_comparison_operator.
1501 2000-05-04 Richard Henderson <rth@cygnus.com>
1503 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
1505 2000-05-04 Richard Henderson <rth@cygnus.com>
1507 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
1508 (DPBIT_FUNCS): Remove _sf_to_usi.
1509 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
1511 * ifcvt.c (noce_process_if_block): Fail if A or B modified
1512 between condition and jump.
1514 * libgcc2.c (near eh_context_specific): Comment #endif string.
1515 * longlong.h: Don't use strings with embedded newlines.
1517 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1519 * config/rs6000/rs6000-protos.h: Add output_cbranch.
1520 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
1521 (print_operand): Delete %t and %T codes.
1522 (output_cbranch): New function. Support branch prediction.
1523 * config/rs6000/rs6000.md: Use output_cbranch for
1524 conditional branches and returns.
1526 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
1528 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
1529 * stor-layout.c (place_field): Likewise.
1530 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
1531 * expr.c (store_expr): Make align unsigned.
1532 * explow.c (plus_constant_wide): Make low words unsigned.
1533 * expmed.c (choose_multiplier): Likewise.
1534 * fold-const.c (fold): Likewise.
1535 * tree.h (build_int_2): Likewise.
1536 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
1537 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
1538 (init_emit): Change cast to unsigned char*.
1539 * varasm.c (compare_constant_1): Add cast to char*.
1540 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
1541 * reload1.c (reload): Likewise.
1543 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
1545 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
1547 * predict.c (estimate_probability): If no prediction was found, then
1548 predict the successor that is the next physical block (if such a
1551 2000-05-04 Richard Henderson <rth@cygnus.com>
1553 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
1555 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1557 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
1559 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
1561 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
1562 attribute macros from here ...
1563 (CPP_SPEC): to here.
1564 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1565 (CPP_SPEC): Likewise.
1566 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
1568 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
1569 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
1571 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1573 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
1575 * diagnostic (vbuild_message_string, build_message_string,
1576 build_location_prefix, output_get_prefix, init_output_buffer,
1577 output_notice, vline_wrapper_message_with_location,
1578 v_message_with_decl, default_print_error_function): De-constify.
1579 (set_real_maximum_length): Prototype.
1581 * diagnostic.h (struct output_buffer, init_output_buffer,
1582 output_get_prefix, output_set_prefix): De-constify.
1584 * function.c (init_function_start): Constify.
1586 * gensupport.c (remove_constraints, process_rtx): Prototype.
1588 * gthr-posix.h: Indent uses of #pragma.
1590 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
1593 * predict.c (find_expected_value): Delete prototype.
1594 (expected_value_to_br_prob): Initialize variable `ev_reg'.
1596 * sbitmap.h (debug_sbitmap): Prototype.
1598 * ssa.c (compute_coalesced_reg_partition): Prototype.
1600 * stor-layout.c (debug_rli): Prototype.
1602 * tree.h (round_down): Prototype.
1603 (init_function_start): Constify.
1605 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
1607 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
1608 (overly conservative). Change extern inline wrappers to
1609 static inline, define them always, use PARAMS properly.
1610 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
1611 whitespace warnings for \f and \v at the beginning of a line.
1613 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
1615 * haifa-sched.c (schedule_insns): Free the flow edge list when it
1618 2000-05-04 Bruce Korb <bkorb@gnu.org>
1620 * fixincl/inclhack.def: added broken_cabs -
1621 Remove `extern double cabs' declarations from math.h
1622 * fixincl/inclhack.sh: regen
1623 * fixincl/fixincl.x: regen
1624 * fixincl/fixincl.c: Remove BOGOSITY code
1625 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
1627 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1629 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
1631 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
1632 when calling MEM_COPY_ATTRIBUTES.
1633 * emit-rtl.c (operand_subword, change_address): Likewise.
1634 * explow.c (stabilize): Likewise.
1635 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
1636 * integrate.c (copy_rtx_and_substitute): Likewise.
1637 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
1638 when calling MEM_COPY_ATTRIBUTES.
1639 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
1641 * cse.c (gen_lowpart_if_possible): Likewise.
1642 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
1643 * optabs.c (gen_move_insn): Likewise.
1644 * recog.c (validate_replace_rtx_1): Likewise.
1645 * simplify-rtx.c (add_mem_for_addr): Likewise.
1646 * stmt.c (expand_anon_union_decl): Likewise.
1647 * config/arm/arm.md: Likewise.
1648 * config/h8300/h7300.c (fix_bit_operand): Likewise.
1649 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
1650 (block_move_no_loop, block_move_sequence): Likewise.
1651 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
1652 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1653 Clear MEM_ALIAS_SET.
1654 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
1655 MEM_COPY_ATTRIBUTES.
1657 2000-05-03 Robert Lipe <robertlipe@usa.net>
1659 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
1660 to suppress libgcc1.
1661 (i[34567]86-*-sco3.2v5*) Likewise.
1662 (i[34567]86-*-sco3.2v4*) Likewise.
1663 (i[34567]86-*-sco) Likewise.
1664 (i[34567]86-*-solaris2) Likewise.
1665 (i[34567]86-*-sysv5*) Likewise.
1666 (i[34567]86-*-sysv4*) Likewise.
1667 (i[34567]86-*-udk*) Likewise.
1668 (i[34567]86-*-sysv*) Likewise.
1670 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1672 * cpphash.h (U): New define, to correct type of string constants.
1673 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
1674 routines, to do casts when passing unsigned strings to libc.
1675 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
1677 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
1678 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
1679 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
1680 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
1681 second argument an U_CHAR *.
1683 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
1684 length field, clean up initializer.
1685 (ISTABLE): Add __extension__ to designated-
1686 initializers version.
1687 * cpplex.c (CHARTAB): Likewise.
1689 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
1690 case so the file won't be empty.
1692 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
1694 * bb-reorder.c (struct reorder_block_def): Member succ removed.
1695 (REORDER_BLOCK_SUCC): Removed.
1696 (enum reorder_skip_type): Removed.
1697 (skip_insns_between_block): Renamed to skip_insns_after_block.
1698 Removed second argument. Removed dead code and cleaned up.
1699 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
1700 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
1701 second parameter to skip_insns_after_block.
1703 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1705 * tree.c (staticp, case LABEL_DECL): New case.
1707 2000-05-03 Richard Henderson <rth@cygnus.com>
1709 * Makefile.in (start.encap): Do not depend on LIBGCC1.
1711 * mklibgcc1.in: Fix typo last change.
1713 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1715 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
1716 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
1717 (GCC_CFLAGS): Use it.
1718 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
1719 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
1720 objc/Make-lang.in: Use it.
1722 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
1724 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
1726 2000-05-03 Richard Henderson <rth@cygnus.com>
1728 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
1729 LIBGCC1 empty with libgcc1.null.
1731 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
1733 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
1736 2000-05-03 Greg McGary <gkm@gnu.org>
1738 * tree.h (tree_common): Add bounded_flag member. Remove
1739 inaccurate comment about number of remaining bits.
1740 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
1741 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
1742 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
1743 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
1744 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
1745 (TYPE_QUAL_BOUNDED): New constant.
1746 (TYPE_QUALS): Handle bounded qualifier.
1747 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
1748 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
1749 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
1750 TYPE_AMBIENT_BOUNDEDNESS): New macros.
1751 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
1752 (tree_type): Add pointer_depth member. Remove
1753 inaccurate comment about number of remaining bits.
1754 (DECL_POINTER_DEPTH): Add macro.
1755 (tree_decl): Add pointer_depth member.
1757 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
1759 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
1760 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
1761 (lshrhi3_out): Likewise.
1762 (ashrsi3_out): bugfix in shift by 8.
1763 (test_hard_reg_class): New function.
1764 * config/avr/avr.md: Bugfix inside conditions in peepholes.
1765 (ashlhi3): removed define_expand of this pattern.
1766 (*ashlhi3_insn): renamed to ashlhi3.
1767 (ashlsi3): removed define_expand of this pattern.
1768 (*ashlsi3_insn): renamed to ashlsi3.
1769 (ashrqi3): removed define_expand of this pattern.
1770 (*ashrqi3_insn): renamed to ashrqi3.
1771 (ashrhi3): removed define_expand of this pattern.
1772 (*ashrhi3_insn): renamed to ashrhi3.
1773 (ashrsi3): removed define_expand of this pattern.
1774 (*ashrsi3_insn): renamed to ashrsi3.
1775 (lshrhi3): removed define_expand of this pattern.
1776 (*lshrhi3_insn): renamed to lshrhi3.
1777 (lshrsi3): removed define_expand of this pattern.
1778 (*lshrsi3_insn): renamed to lshrsi3.
1780 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
1782 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
1783 inclusion of "system.h".
1785 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
1787 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
1790 2000-05-03 David Mosberger <davidm@hpl.hp.com>
1792 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
1793 if -mauto-pic is on.
1794 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
1795 -mconstant-gp is in effect and function-descriptors are being used
1796 to make indirect calls.
1797 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
1798 (MASK_AUTO_PIC): Ditto.
1799 (TARGET_CONST_GP): Ditto.
1800 (TARGET_AUTO_PIC): Ditto.
1801 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
1802 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
1803 -mno-pic is in effect.
1804 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
1805 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
1806 -mauto-pic is in effect.
1807 (gprel64_offset): New pattern.
1808 (load_gprel64): Ditto.
1809 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
1810 -mconstant-gp is in effect, no need to preserve gp around direct
1812 (call_value): Ditto.
1813 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
1814 (FUNCTION_PROFILER): Define.
1815 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
1816 @fptr() directive when -mno-pic or -mauto-pic is in effect.
1817 (ASM_OUTPUT_DESTRUCTOR): Ditto.
1819 2000-05-03 Richard Henderson <rth@cygnus.com>
1821 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
1822 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
1823 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
1824 (mklibgcc, libgcc.mk): New targets.
1825 (libgcc.a): Use libgcc.mk.
1826 (stmp-multilib): Likewise.
1827 (stmp-multilib-sub): Remove.
1828 (mostlyclean): Don't delete libgcc2 temp files.
1829 * configure.in (AC_PROG_CC_C_O): Add.
1830 (NO_MINUS_C_MINUS_O): Substitute it.
1831 (all_outputs): Add mklibgcc.
1832 * mklibgcc.in: New file.
1834 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1836 * cppexp.c (op_t): Make an int.
1838 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
1840 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
1842 * gensupport.c (process_rtx): Fix macros used.
1844 2000-05-03 Richard Henderson <rth@cygnus.com>
1846 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
1847 call-clobbered registers of a call.
1849 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
1851 * gensupport.c: New file.
1852 * gensupport.h: New file.
1853 * Makefile.in (HOST_RTL): Depend on gensupport.
1854 (gensupport.o) New rule.
1855 * genattr.c: Use gensupport for reading .md files.
1856 * genattrtab.c: Ditto.
1857 * gencodes.c: Ditto.
1858 * genconfig.c: Ditto.
1860 * genextract.c: Ditto.
1861 * genflags.c: Ditto.
1862 * genopinit.c: Ditto.
1863 * genoutput.c: Ditto.
1865 * genrecog.c: Ditto.
1866 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
1867 * md.texi (Insn Splitting): Document define_insn_and_split.
1869 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
1871 * flow.c (verify_flow_info): Added two more sanity checks. The
1872 first checks that the blocks are numbered consecutively. The second
1873 checks that n_basic_blocks is actually equal to the number of
1874 basic blocks in the insn chain.
1876 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1878 * cpplib.h: Add accessor macros for token lists.
1879 * cpplib.c, cpphash.c, cpplex.c: Use them.
1881 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1883 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
1884 memory usage if not in a function.
1885 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
1886 return address if static.
1888 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
1890 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
1891 whether address may trap.
1893 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
1895 * bb-reorder (chain_reorder_blocks): Changed code to test for
1896 EDGE_FALLTHRU rather than making erroneous assumption that the
1897 first outgoing edge is the fall-through edge.
1899 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1901 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
1902 ABI for varargs, across all MIPS. This is incompatible because the
1903 va_list (__builtin_va_list) structure is different, so a compilation
1904 unit passing a va_list and a compilation unit being passed one, should
1905 both be compiled with the same ABI. (The old structure had two
1906 pointers, now it has three.)
1908 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
1910 * bb-reorder.c (struct reorder_block_def): Remove members end,
1911 block_begin, and block_end.
1912 (REORDER_BLOCK_OLD_END): Delete.
1913 (REORDER_BLOCK_BEGIN): Delete.
1914 (REORDER_BLOCK_END): Delete.
1915 (chain_reorder_blocks): Remove dead code.
1917 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
1919 * bb-reorder.c (remove_scope_notes): Check for both types of scope
1920 notes as the end of a basic block before deleting.
1922 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
1924 * final.c (final_start_function): Fix spelling of "necessary".
1926 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
1928 * toplev.c (debug_ignore_block): Return int.
1929 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
1930 * toplev.h, dwarf2out.h: Adjust.
1931 * emit-rtl.c (remove_unnecessary_notes): Test return value.
1933 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
1934 * toplev.c, final.c, rtl.h: Adjust.
1936 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1938 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
1939 * configure.in: Look for makeinfo in the unified tree, then
1940 for a system makeinfo which is sufficiently new.
1941 * Makefile.in: If configure says makeinfo is too old, don't
1942 build or install Info documentation.
1944 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1946 * cpphash.c (collect_params): Fix off-by-one error.
1947 (dump_hash_helper): Dump all four macro nodetypes.
1949 2000-05-02 Jakub Jelinek <jakub@redhat.com>
1951 * cpphash.c (trad_stringify): Adjust p after stringification as
1954 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1956 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
1957 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
1959 * cppfiles.c (file_cleanup): Delete.
1960 * cpphash.c (macro_cleanup): Delete.
1961 (collect_objlike_expansion, collect_funlike_expansion,
1962 macarg, scan_arguments): Remove CPP_POP case.
1964 * cpplex.c (null_cleanup): Delete.
1965 (cpp_pop_buffer): Do the work that was done in the cleanups
1966 here. Call _cpp_unwind_if_stack from here.
1967 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
1968 cpp_scan_buffer): Run until we see CPP_EOF and the top of
1969 stack is the buffer _below_ the one we stacked.
1970 (cpp_get_token): Always pop an exhausted buffer. Return
1971 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
1972 * cpplib.c (skip_if_group): Don't call cpp_get_token to
1973 increment the line number.
1974 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
1976 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
1977 we see CPP_EOF and the top of stack is the buffer _below_ the
1979 * scan-decls.c: Likewise.
1981 2000-05-02 Andrew Haley <aph@cygnus.com>
1983 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
1984 where this function is called for the second time on a decl that
1985 has had its section info changed in such a way as to move it out
1987 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
1989 2000-05-01 Richard Henderson <rth@cygnus.com>
1991 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
1992 the sequence we're moving, not to merge_bb->head.
1994 2000-05-01 Richard Henderson <rth@cygnus.com>
1996 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
1997 reference to alpha/t-linux.
1998 (alpha*-*-linux-gnu*): Likewise.
1999 * configure: Rebuild.
2001 * calls.c (expand_call): Don't emit reg notes for a sibcall.
2003 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
2006 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
2008 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
2010 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
2013 2000-05-01 Richard Henderson <rth@cygnus.com>
2015 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
2016 emit_conditional_move.
2018 2000-05-01 Jakub Jelinek <jakub@redhat.com>
2020 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
2021 as the dynamic linker.
2023 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
2025 * cppfiles.c (open_include_file): Open file in blocking mode.
2026 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
2027 Only exclude block devices and directories.
2029 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
2030 static. Allocate the hashnode and its string in the same
2032 (del_HASHNODE): Don't free h->name.
2033 (_cpp_lookup): If there is no entry for this string, create
2034 one, of type T_VOID.
2035 (_cpp_lookup_slot): Delete.
2036 * cpphash.h: Update prototypes.
2038 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
2040 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
2041 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
2042 node here, just fill in the value field properly. "Delete"
2043 entries by setting the value field to T_VOID. Check for
2044 hp->type == T_VOID, not hp == NULL.
2046 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
2047 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
2050 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
2052 * config/mn10300/mn10300.c (print_operand_address): Do not add
2055 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
2056 adjusted by less than 256 bytes, use ret regardless of having any
2057 callee-saved register to restore.
2059 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
2061 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
2063 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
2065 * config/i386/djgpp.h (INT_ASM_OP): Define.
2066 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
2067 (ASM_WEAKEN_LABEL): Define.
2068 (MASK_BNU210): Define.
2069 (SUBTARGET_SWITCHES): Define.
2070 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
2071 (MAKE_DECL_ONE_ONLY): Define.
2072 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
2074 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
2076 * i386/cygwin.h (INT_ASM_OP): Define.
2078 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
2080 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
2081 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
2083 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
2085 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
2086 __tmp_reg__ and __zero_reg__ initialization.
2088 2000-04-30 Richard Henderson <rth@cygnus.com>
2090 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
2092 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
2093 referenced bewteen the condition and the jump. Don't delete
2094 anything but the jump.
2096 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
2098 * bb-reorder.c (scope_def): New struct.
2099 (scope_forest_info): New struct.
2100 (struct reorder_block_def): New member "scope".
2101 (REORDER_BLOCK_SCOPE): New macro.
2102 (relate_bbs_with_scopes): New function and prototype.
2103 (make_new_scope): Likewise.
2104 (build_scope_forest): Likewise.
2105 (remove_scope_notes): Likewise.
2106 (insert_intra_1): Likewise.
2107 (insert_intra_bb_scope_notes): Likewise.
2108 (insert_inter_bb_scope_notes): Likewise.
2109 (rebuild_scope_notes): Likewise.
2110 (free_scope_forest_1): Likewise.
2111 (free_scope_forest): Likewise.
2112 (dump_scope_forest): Likewise.
2113 (dump_scope_forest_1): Likewise.
2114 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
2115 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
2117 (reorder_basic_blocks): Added calls to build_scope_scope_forest
2118 and remove_scope_notes before reordering is done. Added calls to
2119 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
2120 after reordering is done.
2122 2000-40-30 Bruce Korb <bkorb@gnu.org>
2124 * fixinc/inclhack.def: Added definitions needed by OSR5,
2125 removed two stale entries (defined away with OLD_CPP).
2126 * fixinc/inclhack.sh: regen
2127 * fixinc/fixincl.x: regen
2129 2000-04-30 Richard Henderson <rth@cygnus.com>
2131 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
2132 from the last insn in the sequence.
2134 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
2136 * cpplex.c (cpp_idcmp): New function.
2137 * cpplib.h: Prototype it.
2138 * scan_decls.c (scan_decls): Use it to inspect token names.
2139 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
2140 the file being run through the preprocessor.
2141 (check_macro_names): Provide length of token to cpp_defined.
2143 * Makefile.in: Remove stale warning message.
2145 * cppfiles.c (redundant_include_p): Provide length of token to
2147 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
2148 values are unsigned int.
2149 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
2150 (_cpp_lookup_slot): Do not calculate the hash, either.
2151 * cpphash.h: Update prototypes.
2152 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
2153 Hashes are unsigned int. Calculate hash here, pass by value
2154 to _cpp_lookup_slot.
2156 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
2158 * simplify-rtx.c (check_value_useless): Delete function.
2159 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
2161 (cselib_invalidate_regno): Likewise.
2162 (cselib_invalidate_mem_1): Likewise.
2163 (references_value_p): Recognize useless values by the fact that they
2165 (discard_useless_values): Likewise.
2166 (cselib_record_set): This may turn a useless value
2169 2000-04-30 Richard Henderson <rth@cygnus.com>
2171 * config/d30v: New port.
2173 * configure.in (d30v-*): Set fp format.
2174 * configure: Rebuild.
2176 2000-04-30 Richard Henderson <rth@cygnus.com>
2178 * ifcvt.c: New file.
2179 * Makefile.in (OBJS): Add it.
2180 (ifcvt.o): New target.
2181 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
2182 and conditional arithmetic.
2183 (find_insert_position): Remove.
2184 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
2185 * toplev.c (DFI_ce, DFI_ce2): New.
2186 (dump_file): Add ce and ce2 dumps.
2187 (rest_of_compilation): Run if_convert a couple o times. Set
2188 cse_not_expected after cse2. Don't set no_new_pseudos until
2189 after sched1 or recompute_reg_usage.
2191 2000-04-30 Richard Henderson <rth@cygnus.com>
2193 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
2194 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
2196 2000-04-30 Richard Henderson <rth@cygnus.com>
2198 * flow.c (struct reg_cond_life_info): New.
2199 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
2200 (init_propagate_block_info): Initialize them.
2201 (free_propagate_block_info): Destruct them.
2202 (mark_set_1): Consider conditional life before killing a register.
2203 (mark_regno_cond_dead): New.
2204 (free_reg_cond_life_info): New.
2205 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
2206 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
2207 (mark_used_reg): Record conditional life.
2209 * haifa-sched.c (schedule_insns): Disable death counting
2210 sanity check for HAVE_conditional_execution.
2212 2000-04-30 Richard Henderson <rth@cygnus.com>
2214 * Makefile.in (TIMEVAR_H): New.
2215 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
2216 (timevar.h): Remove rule.
2218 2000-04-29 Richard Henderson <rth@cygnus.com>
2220 * config/alpha/crtend.asm: Use C comments instead of #.
2221 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
2223 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
2225 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
2227 * cpphash.h (enum node_type: Take out T_MCONST.
2228 (union hashval): Move into struct hashnode.
2229 (struct hashnode): Pack tighter. Remove file, line, col
2231 * cpphash.c: Constify most of the macro-definition structures.
2232 (struct definition): Replace by struct object_defn
2233 and struct funct_defn. Put file, line, column information
2234 here. All users updated to match.
2235 (_cpp_create_definition, _cpp_macroexpand): Remove special
2236 case for #define WORD OTHERWORD.
2237 * cpplib.c (do_undef): Remove T_MCONST case.
2239 * cpphash.h: Move struct reflist, struct definition, and the
2240 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
2241 union hashval. _cpp_free_definition takes a HASHNODE pointer.
2242 * cpphash.c (_cpp_free_definition): Free data pointed to by
2243 MCONST, XCONST, MACRO, and FMACRO nodes properly.
2244 (_cpp_create_definition, del_HASHNODE): Just call
2245 _cpp_free_definition to clear out a hashnode.
2246 * cpplib.c (do_pragma_poison): Likewise.
2248 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2250 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
2251 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
2252 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
2253 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
2254 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
2255 REGNO_AM33_P): Redefine in terms of the new macros.
2256 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
2257 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2258 STRUCT_VALUE): Likewise.
2259 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2260 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
2262 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
2264 * regmove.c (struct record_stack_memrefs_data): New.
2265 (record_stack_memrefs): New function.
2266 (combine_stack_adjustments_for_block): Use it.
2268 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2270 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
2271 use special_function_p to detect alloca.
2273 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
2275 * gcc.texi: Fixes for makeinfo 4.0 --html.
2277 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
2279 * pcp.h: Delete file.
2281 2000-04-28 Kazu Hirata <kazu@hxi.com>
2283 * h8300.c (function_epilogue): Clean up flags when the last insn
2284 in a function is a barrier.
2286 2000-04-28 Chris Demetriou <cgd@sibyte.com>
2288 * configure.in (sparc-hal-solaris2*): protect [] glob from
2290 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
2291 rather than hard-coded constants in target_cpu_default2.
2292 * configure: Regenerate.
2294 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2296 * tree.c (get_callee_fndecl): Extract the initial value from
2299 2000-04-28 Richard Henderson <rth@cygnus.com>
2301 * varasm.c (record_constant_1): Record the CODE_LABEL when
2302 taking the address of a LABEL_REF.
2304 2000-04-28 Richard Henderson <rth@cygnus.com>
2305 Jan Hubicka <jh@suse.cz>
2307 * calls.c (combine_pending_stack_adjustment_and_call): Return the
2308 adjustment; don't do the stack adjust.
2309 (expand_call): Call compute_argument_block_size right before
2310 allocating the block; update comment; don't do alignment sanity
2311 checking for sibling call; use args_size instead of
2312 unadjusted_args_size before args_size is adjusted. Use
2313 combine_pending_stack_adjustment_and_call to compute stack adjust
2314 for must_preallocate case.
2316 * expr.c (push_block): Remove shadow `temp' in inner scope.
2318 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2320 * toplev.c (rest_of_compilation): Call
2321 note_deferral_of_defined_inline_function even if the function
2324 2000-04-28 Scott Bambrough <scottb@netwinder.org>
2326 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
2328 2000-04-28 Richard Henderson <rth@cygnus.com>
2330 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
2332 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2334 * timevar.c (init_timevar): DeANSIfy function definition.
2336 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2338 * Makefile.in (timevar.o): Depend on flags.h.
2339 * timevar.c (unused_stack_instances): New variable.
2340 (timevar_push): Take a timevar_stack_def from
2341 unused_stack_instances if available.
2342 (timevar_pop): Push the popped timevar_stack_def onto
2343 unused_stack_instances.
2344 (TIMEVAR_ENABLE): New macro.
2345 (timevar_def): Make standalone a 1-bit field. Add field used.
2346 (get_time): Rename parameter to now. Return after clearing it if
2348 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
2349 (timevar_pop): Likewise.
2350 (timevar_stop): Likewise.
2351 (timevar_push): Likewise. Mark the timing variable as used.
2352 (timevar_start): Likewise.
2353 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
2354 timevars that were never used.
2356 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2358 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
2359 always TREE_READONLY.
2361 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
2363 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
2364 for call instruction with mode QImode.
2366 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2368 * Makefile.in (OBJS): Add timevar.o.
2369 (toplev.o): Depend on timevar.h.
2370 (ggc-simple.o): Likewise.
2371 (ggc-page.o): Likewise.
2372 (timevar.o): New rule.
2373 (timevar.h): New rule.
2375 * timevar.h: New file.
2376 * timevar.c: Likewise.
2377 * timevar.def: Likewise.
2379 * toplev.h (gc_time, parse_time, varconst_time): Remove.
2380 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
2382 (TIMEVAR): Remove macro.
2383 (gc_time, parse_time, varconst_time, integration_time, jump_time,
2384 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
2385 flow_time, combine_time, regmove_time, sched_time,
2386 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
2387 sched2_time, dbr_sched_time, reorder_blocks_time,
2388 rename_registers_time, shorten_branch_time, stack_reg_time,
2389 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
2391 (compile_file): Don't initialize time variables. Call
2392 init_timevar and start TV_TOTAL timer. Call timevar_print instead
2393 of many calls to print_time.
2394 (rest_of_compilation): Add timing for reload_cse_regs.
2395 (get_run_time): Removed to timevar.c.
2396 (print_time): Likewise.
2397 (get_run_time): Implement using TV_TOTAL time variable.
2398 (print_time): Get total run time from get_run_time.
2399 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
2400 computing elapsed time explicitly.
2401 * ggc-simple.c (ggc_collect): Likewise.
2402 (gc_time): Remove declaration.
2404 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2406 * calls.c (combine_pending_stack_adjustment_and_call): New function.
2407 (expand_call): Use it.
2409 2000-04-27 Jan Hubicka <jh@suse.cz>
2411 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
2414 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2416 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
2419 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
2421 * function.c (epilogue_done): Pass whole insn to record_insns.
2423 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
2425 * cse.c (CSE_ADDRESS_COST): Remove.
2426 (find_best_addr): Add new parameter "MODE", use address_cost instead
2428 (address_cost): New.
2429 (fold_rtx): Update call of find_best_addr.
2430 * rtl.h (address_cost): Declare.
2431 * loop.c (general_induction_var): Add new parameter "MODE", use
2432 address_cost instead of ADDRESS_COST
2433 (init_loop): Use address_cost instead of ADDRESS_COST.
2434 (check_insn_for_givs): Update call of general_induction_var.
2435 (find_mem_givs): Likewise.
2436 (consec_sets_giv): Likewise.
2437 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
2438 * i386.c (ix86_address_cost): New.
2439 * i386-protos.h (ix86_address_cost): Declare.
2441 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
2443 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
2446 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
2448 * expr.c (store_expr): Use clear_storage instead of direct memset
2451 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
2453 * config/mn10300/mn10300.c (mn10300_address_cost): Test
2454 ASHIFT, AND and LABEL_REF.
2456 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
2458 * invoke.texi (-foptimize-sibling-calls): Fix.
2460 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
2462 * loop.c (load_mems) Don't use hard registers for the hoisting.
2464 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
2465 calculation; rename const_equiv array in the preconditioning code
2466 from loop_unroll to loop_unroll_precondition
2468 2000-04-27 Richard Henderson <rth@cygnus.com>
2470 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
2472 (propagate_one_insn): Clear it. Don't update reg_live here.
2473 (init_propagate_block_info): Update for pbi member changes.
2474 (free_propagate_block_info): Likewise.
2475 (mark_set_1): Know that zero_extract, sign_extract, and
2476 strict_low_part don't kill their argument. Alter hard subregs.
2477 Update new_set for non-CLOBBER sets. Update reg_live.
2478 (find_auto_inc): Update reg_live, not new_dead.
2479 (mark_used_reg): Update reg_live, not new_live. Examine new_set
2480 to determine if the reg in question was set this insn. Only update
2481 reg info with PROP_REG_INFO.
2483 2000-04-26 Richard Henderson <rth@cygnus.com>
2485 * flow.c (allocate_reg_life_data): Set max_regno here ...
2486 (life_analysis): ... not here.
2488 * flow.c (calculate_global_regs_live): Force stack pointer
2491 2000-04-26 Richard Henderson <rth@cygnus.com>
2493 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
2494 commit change group changes.
2495 (invert_exp_1): Similarly.
2496 (redirect_exp, invert_exp): Use them.
2497 (redirect_jump_1): New.
2498 (invert_jump_1): New.
2499 (jump_optimize_1): Remove code subsumed by condexec.c.
2500 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
2502 2000-04-26 Richard Henderson <rth@cygnus.com>
2504 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
2506 * genconfig.c (main): Set all HAVE_foo to 1.
2508 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
2510 2000-04-26 Alex Samuel <samuel@codesourcery.com>
2512 * invoke.texi: Document -fssa flag.
2514 2000-04-26 Richard Henderson <rth@cygnus.com>
2516 * flow.c (count_reg_sets_1): Remove.
2517 (count_reg_sets, count_reg_references): Remove.
2518 (recompute_reg_usage): Implement with update_life_info.
2519 Reallocate life data.
2521 2000-04-26 Richard Henderson <rth@cygnus.com>
2523 * flow.c (update_life_info): Consider blocks null to mean the
2525 (calculate_global_regs_live): Likewise.
2526 (life_analysis): Do that instead of collecting all_blocks.
2528 2000-04-26 Richard Henderson <rth@cygnus.com>
2530 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
2531 a still-valid conditional jump.
2533 2000-04-26 Richard Henderson <rth@cygnus.com>
2535 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
2537 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
2538 * flow.c (calculate_loop_depth): Remove.
2539 * output.h (calculate_loop_depth): Don't declare.
2540 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
2541 inline; run estimate_probability at the same time.
2543 2000-04-26 Neil Booth <NeilB@earthling.net>
2545 * cpplib.h: "~=" is not a single pp-token.
2546 * cpplex.c: Correct commentary.
2548 2000-04-26 Richard Henderson <rth@cygnus.com>
2550 * flow.c (mark_set_1): New arguments code and flags; update all
2551 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
2552 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
2553 loop_depth when optimizing for size. Do new_dead update after
2554 emitting REG_UNUSED notes. Merge mark_set_reg code.
2555 (mark_set_reg): Remove.
2556 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
2557 arrange to not emit REG_UNUSED notes.
2559 2000-04-26 Richard Henderson <rth@cygnus.com>
2561 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
2562 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
2564 2000-04-26 Richard Henderson <rth@cygnus.com>
2566 * flow.c (propagate_one_insn): Break out from propagate_block.
2567 (init_propagate_block_info): Likewise.
2568 (free_propagate_block_info): Likewise.
2569 (propagate_block): Use them. Export.
2570 * basic-block.h: Declare them all.
2572 2000-04-26 Richard Henderson <rth@cygnus.com>
2574 * basic-block.h (life_analysis): Declare here ...
2575 * output.h: ... not here.
2576 * flow.c (life_analysis): Remove nregs parameter; replace
2577 remove_dead_code with flags. Remove ssa dead code check.
2578 Only init alias analysis if we'll use it.
2579 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
2580 * ssa.c (convert_to_ssa): Likewise.
2581 (convert_from_ssa): Likewise.
2582 * toplev.c (rest_of_compilation): Likewise.
2584 2000-04-26 Richard Henderson <rth@cygnus.com>
2586 * flow.c (flow_delete_block): Rename from delete_block. Export.
2587 * basic-block.h (flow_delete_block): Declare.
2589 2000-04-26 David S. Miller <davem@redhat.com>
2591 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
2592 taking a PATTERN of it.
2594 2000-04-26 <NeilB@earthling.net>
2596 * cpplex.c (spell_other, spell_char): Remove.
2598 (token_spelling, trigraph_map): Use unsigned chars.
2599 (_cpp_lex_line): Tidy up the switch statement.
2600 * cpplib.h: Implement spell_char with spell_string.
2603 2000-04-26 <RodneyBrown@pmsc.com>
2605 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2606 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2608 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2610 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
2611 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
2612 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
2613 dwarf2out_return_save, dwarf2out_return_reg,
2614 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
2615 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
2616 gen_compile_unit_die, dwarf2out_init): Constify a char*.
2618 * dwarf2out.h (dwarf2out_init): Likewise.
2620 * dwarfout.c (filename_entry, primary_filename, last_filename,
2621 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
2623 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
2624 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
2625 dwarf2out_return_reg): Likewise.
2627 2000-04-26 Andreas Jaeger <aj@suse.de>
2629 * extend.texi (Function Attributes): Fix description of pure
2632 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2634 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
2635 before calling rest_of_compilation.
2637 2000-04-26 Andreas Jaeger <aj@suse.de>
2639 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
2642 2000-04-25 Richard Henderson <rth@cygnus.com>
2644 * cse.c (cse_insn): Emit barrier after unconditional jump.
2646 * calls.c (expand_call): Disable tail call generation once
2647 rtx_equal_function_value_matters is false.
2649 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
2652 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
2654 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
2656 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
2658 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
2659 is the primary DIE for a member function.
2660 (gen_decl_die): Call set_decl_origin_self here.
2661 * dwarfout.c (output_decl): And here.
2662 * integrate.c (output_inline_function): Not here.
2663 Don't clear DECL_INLINE until after calling rest_of_compilation.
2664 (set_decl_origin_self): No longer static.
2665 * tree.h: Add prototype.
2666 * toplev.c (note_deferral_of_defined_inline_function): Only write
2667 out abstract instance for actual inlines.
2669 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
2671 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
2672 EXTENDED_REGS only if TARGET_AM33.
2673 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
2674 SP_REGS to register allocation and reloading unless absolutely
2676 (movsi3): Remove special-case of adding non-constants to SP.
2678 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2680 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
2681 INCLUDES to search and does not provide any of its own. Also it
2682 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
2683 parameters. Also it does not call AC_DEFINE.
2684 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
2685 AC_DEFINE and provides for automatic entries for autoheader.
2686 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
2688 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
2689 so we can pass -I flags and include gansidecl.h/system.h in this
2692 * acconfig.h: Delete all NEED_DECLARATION_* entries.
2694 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2696 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2697 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2698 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
2700 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2701 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2702 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
2703 for these macros. Clean up spacing and linewraps.
2705 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2707 * calls.c (expand_call): Use get_callee_fndecl.
2709 * print-tree.c (print_node): Print the chain of an _EXPR.
2711 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
2712 Jim Wilson <wilson@cygnus.com>
2713 Andrew Haley <aph@cygnus.com>
2715 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
2716 and gp save/restore problems.
2717 * config/ia64/crtend.asm: Add IA-64 unwind support.
2718 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
2719 in fr_pad_size calculation.
2720 (save_restore_insns): Move PR save area. Correct uses of
2721 RTX_FRAME_RELATED_P.
2722 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
2723 (ia64_expand_epilogue): Add eh_epilogue support.
2724 (ia64_function_prologue): Emit .prologue directive.
2725 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
2726 (ia64_override_options): Set init_machine_status and
2727 mark_machine_status.
2728 (rtx_needs_barrier): Handle bsp reads and writes.
2729 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
2730 New static variables.
2731 (process_set, process_for_unwind_directive): New functions.
2732 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
2733 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
2734 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
2736 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
2737 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
2738 (struct machine_function): Define.
2739 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
2741 2000-04-25 Bruce Korb <bkorb@gnu.org>
2743 * fixinc/Makefile.in: make the removal of old programs more
2745 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
2746 install-bin and install-sh
2748 2000-04-25 Nick Clifton <nickc@cygnus.com>
2750 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
2751 defined, define to return zero.
2752 (function_cannot_inline_p): If a function has any target
2753 specific attributes, then use the macro
2754 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
2755 whether it can be inlined. If it cannot, issue a suitable
2758 * tm.texi: Add a new node 'Inlining' to document the new macro
2759 FUNCTION_ATTRIBUTE_INLINABLE_P.
2761 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
2763 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
2766 2000-04-25 Neil Booth <NeilB@earthling.net>
2768 Restore previous patch, plus the following fixes:
2770 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
2771 flags, not CPP_OPEN_PAREN.
2772 * cpplex.c (expand_token_space, init_token_list,
2773 cpp_free_token_list): Put the dummy token at list->tokens[-1].
2774 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
2776 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2778 * config/i386/freebsd.h (INT_ASM_OP): Define.
2780 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
2782 * loop.c (strength_reduce): Fix typo in the last checkin.
2784 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2786 * stor-layout.c (finalize_record_size): Simplify to use existing
2788 (compute_record_mode): No longer static.
2789 * tree.h (compute_record_mode): New declaration.
2791 2000-04-25 Neil Booth <NeilB@earthling.net>
2793 * Revert my patch below until cause of build failures
2796 2000-04-25 Richard Henderson <rth@cygnus.com>
2798 * combine.c (combine_instructions): Add missing argument
2801 * toplev.c (rest_of_compilation): Delay sibcall optimization
2802 until after emit_eh_context.
2804 2000-04-24 Nick Clifton <nickc@redhat.com>
2806 * combine.c (combine_instructions): Do not try to combine a
2807 sequence of insns when the second insn has been replaced by a
2810 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
2812 * gcc.c (load_specs): New static function.
2813 (read_specs): Use it.
2815 * gcc.c (lookup_compiler): Make multiple passes for case
2816 insensitive filesystems.
2818 2000-04-24 Neil Booth <NeilB@earthling.net>
2820 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
2821 * cpphash.h (_cpp_check_directive): new.
2822 * cpplex.c (handle_newline, cpp_free_token_list,
2823 init_trigraph_map, trigraph_ok, trigraph_replace,
2824 backslash_start, skip_block_comment, skip_line_comment,
2825 skip_whitespace, parse_name, parse_number, parse_string,
2826 copy_comment, _cpp_lex_line, spell_char, spell_string,
2827 spell_comment, spell_name, spell_other, _cpp_lex_file,
2828 _cpp_output_list): new.
2829 (expand_name_space): take length argument.
2830 (init_token_list): add comment list initialisation.
2831 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
2832 instead of HSPACE_BEFORE.
2834 * cpplib.c (_cpp_check_directive): new
2835 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
2836 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
2837 (HSPACE_BEFORE): delete.
2838 (TTYPE_TABLE): rearrange.
2839 (struct cpp_toklist): update.
2841 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2843 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
2844 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
2845 argument form of AC_DEFINE.
2847 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
2848 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
2849 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
2850 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
2851 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
2853 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
2855 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2857 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
2858 deduced.h): Use -isystem, not -I, for including system headers.
2860 2000-04-24 Nick Clifton <nickc@cygnus.com>
2862 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
2863 the source register is the frame pointer or arg pointer.
2864 (addsi3_small_int): Disallow if source register is the frame
2865 pointer or arg pointer.
2867 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2869 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
2870 call to AC_MSG_RESULT.
2872 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2874 * invoke.texi: Correct grammatical errors, document
2875 -fno-gnu-keywords as identical to -fno-asm for C++.
2877 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2879 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
2880 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
2881 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
2882 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
2883 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
2885 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
2886 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
2887 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
2888 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
2891 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
2893 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
2894 (pop_alignment): Likewise.
2895 (handle_pragma_token): Likewise.
2897 2000-04-24 Robert Lipe <robertlipe@usa.net>
2899 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
2901 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
2903 * combine.c (try_combine): Update reg_nonzero_bits of
2904 newi2pat before newpat.
2906 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
2908 * loop.c (strength_reduce): Simplify test to INSN_P.
2909 (record_giv): Attempt to simplify the add value, use CONSTANT_P
2910 expressions instead of CONST_INT.
2911 (express_from_1): Likewise.
2913 2000-04-24 Mark Mitchell <mark@codesourcery.com>
2915 * regs.h (reg_n_max): Don't declare.
2916 * flow.c (reg_n_max): Don't define.
2917 * regclass.c (renumber): Don't initialize to zero.
2918 (regno_allocated): Likewise.
2919 (reg_n_max): Define.
2920 (allocate_reg_info): Don't initialize unnecessarily.
2922 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
2924 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
2925 and blockage_p in the newly allocated attribute.
2927 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
2929 * config/mn10300/mn10300.md (addsi): `inc4' on address
2930 registers does not modify cc, but `inc' on an extended
2933 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
2935 * reload.c (find_equiv_reg): Checks all valueno regs
2936 as a reload_reg_p regs.
2938 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2940 * cpphash.c (collect_objlike_expansion): Add sanity check.
2941 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
2942 the buffer is the empty string, return. Mark __DATE__ and
2943 __TIME__ as XCONST nodes, not MCONST.
2944 (_cpp_macroexpand): Avoid pushing an empty buffer.
2945 (funlike_macroexpand): Don't pop token_buffer here.
2947 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
2949 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
2950 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
2951 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
2952 (REGNO_OK_FOR_BASE_P): Define in terms of them.
2953 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
2954 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
2955 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
2957 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2959 * loop.c (simplify_giv_expr): Be more agressive on simplifying
2962 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2964 * cpphash.h (struct definition): Move file, line, col members...
2965 (struct hashnode): ... here. Also add 'disabled' flag.
2966 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
2967 T_IDENTITY. Remove T_DISABLED.
2970 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
2971 (collect_expansion): Split into collect_objlike_expansion and
2972 collect_funlike_expansion.
2973 (_cpp_macroexpand): Split out scan_arguments, stringify, and
2974 funlike_macroexpand.
2975 (_cpp_compare_defs): Rename compare_defs, make static.
2976 (_cpp_make_hashnode): Initialize hp->disabled.
2977 (macro_cleanup): Adjust for new token types. Clear
2979 (_cpp_create_definition): Move code here to determine what
2980 sort of macro it is, and code to check for redefinitions, from
2981 do_define. Implement a few simple cases without creating a
2983 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
2984 Handle the simple cases.
2985 (push_macro_expansion): Set buf->has_escapes and hp->disabled
2988 * cppinit.c (builtin_array): Change MCONST to XCONST
2990 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
2991 fix check for disabled and function-like macros.
2992 * cpplib.c (do_define): Move most logic to
2993 _cpp_create_definition.
2994 (do_undef): Handle new special token types.
2996 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
2998 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
2999 of CONSTANT_P for mult_val; always use validate_change to update insn.
3001 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
3003 * cpphash.c (trad_stringify, add_pat): New functions.
3004 (collect_expansion): Restore support for -traditional syntax.
3005 Use trad_stringify and add_pat.
3006 (_cpp_macroexpand): Restore support for -traditional semantics.
3007 * cpplex.c (_cpp_scan_line): Don't change space_before if we
3008 get a COMMENT token.
3009 (_cpp_lex_token): Provide COMMENT tokens to caller if
3010 traditional and parsing_define_directive.
3011 (skip_comment): Warn about // comments if -Wtraditional.
3012 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
3014 (do_undef): Don't warn about undefining EMPTY nodes.
3016 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3018 * loop.c (strength_reduce): Fix biv removal code.
3020 2000-04-22 Richard Henderson <rth@cygnus.com>
3022 * predict.c (estimate_probability): Examine both sides of
3023 a branch for no exits. Use 90% not 50% for predict taken.
3024 Reorg for one copy of note generation code.
3026 2000-04-22 Richard Henderson <rth@cygnus.com>
3028 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
3030 2000-04-22 Richard Henderson <rth@cygnus.com>
3032 * diagnostic.c (init_output_buffer): Don't initialize format_args.
3033 (output_clear): Likewise.
3034 (output_printf): Use va_copy.
3035 (vline_wrapper_message_with_location): Likewise.
3036 (v_message_with_decl): Likewise.
3037 (line_wrapper_printf): VA_START infor buffer.format_args directly.
3038 * system.h (va_copy): Provide default implementation.
3040 2000-04-22 Richard Henderson <rth@cygnus.com>
3042 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
3043 the collected condition is not a constant.
3045 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
3047 * diagnostic.h: New file.
3049 * Makefile.in (diagnostic.o): Depends on diagnostic.h
3051 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
3052 various function prototypes.
3053 (diagnostic.h): #include.
3054 (struct output_buffer): Move into diagnostic.h.
3055 (get_output_prefix): Rename to output_get_prefix. Export.
3056 (init_output_buffer): Export. Break out. Ajust intialization.
3057 (output_space_left, output_append): Export.
3058 (output_newline): Rename to output_add_newline. Export.
3059 (output_clear): Nullify additional output_buffer fields.
3060 (output_puts): Rename to output_add_string. Export.
3061 (dump_output): Rename to output_flush_on. Export.
3062 (build_location_prefix): Constify return-type.
3063 (emit_output_prefix): Rename to output_emit_prefix. Export.
3064 (set_real_maximum_length): New function.
3065 (output_set_maximum_length): Ditto
3066 (output_clear): Ditto.
3067 (output_add_character): Ditto.
3068 (output_add_integer): Ditto.
3069 (output_add_space): Ditto.
3070 (output_format): Ditto.
3071 (output_printf): Adjust buffer initialization.
3072 (vline_wrapper_message_with_location): Ditto.
3073 (v_message_with_decl): Ditto. Adjust call to output_puts
3074 and get_output_prefix.
3075 (default_print_error_function): Adjust buffer intialization.
3077 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3079 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
3082 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
3084 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
3087 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3089 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
3090 accurate data about SP moves.
3092 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
3094 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
3095 aliases to AM33 registers.
3097 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3099 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
3100 to all EXTENDED bitmaps.
3102 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
3104 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
3105 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
3106 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
3108 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
3110 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
3111 the operand is not constant.
3113 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
3115 * reload.c (find_equiv_reg): Checks all valueno and regno regs
3116 as a call-clobbered regs.
3118 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3120 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
3122 * rtl.def: Update comment.
3123 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
3124 * integrate.c (expand_inline_function): Likewise.
3125 * profile.c (branch_prob): Likewise.
3126 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
3127 * print-rtl.c (print_rtx): Likewise.
3128 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
3129 (reemit_notes): Likewise; also use enum insn_note.
3131 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
3132 (place_field): Properly compute know and actual alignment.
3134 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
3137 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
3140 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
3142 * cpphash.c (struct arg, struct arglist): Const-ify strings.
3143 (warn_trad_stringify, duplicate_arg_p): New helper functions.
3144 (collect_expansion): Rewrite to scan over a token list.
3145 Remove -traditional support.
3146 (collect_formal_parameters): Rename to collect_params; rewrite
3147 to scan over a token list.
3148 (_cpp_create_definition): Adjust to scan a token list.
3149 (_cpp_macroexpand): Remove -traditional support.
3150 (_cpp_compare_defs): Whitespace is now canonicalized.
3151 (comp_def_part): Delete function.
3153 * cpphash.h: Update prototypes.
3154 * cpplex.c (init_token_list): Don't set lineno if there is no
3156 (pedantic_whitespace): New function.
3157 (_cpp_scan_line): Mark tokens that had hspace before. Don't
3158 consume a newline. Use pedantic_whitespace.
3159 (_cpp_lex_token): Remove support for -traditional macros.
3160 (_cpp_get_define_token): Delete.
3161 (_cpp_get_directive_token): Do the real work here. Use
3162 pedantic_whitespace.
3163 (_cpp_init_input_buffer): Initialize pfile->directbuf.
3165 * cpplib.c (get_macro_name): Delete.
3166 (do_define): Read the entire line into pfile->directbuf, then
3167 feed the token list to _cpp_create_definition.
3168 * cpplib.h (HSPACE_BEFORE): new define.
3169 (struct cpp_reader): Add a toklist member, "directbuf".
3171 * predict.c (estimate_probability): New heuristic: if a jump
3172 branches around a block with no successors, predict it taken.
3173 Disentangle control flow.
3175 2000-04-20 Richard Henderson <rth@cygnus.com>
3177 * loop.c (emit_iv_add_mult): Revert last change.
3179 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3181 * cpplib.h (enum cpp_ttype): Add token types for all
3182 punctuators. Distinguish pp-numbers from valid C numbers.
3183 Give some tokens better names. Initialize from macro.
3184 (struct cpp_name, cpp_token, cpp_toklist): New data
3187 * cpplex.c (bump_column, expand_name_space,
3188 expand_token_space, init_token_list, cpp_output_list,
3189 _cpp_scan_line): New functions.
3190 (output_line_command): Add third argument, new line number.
3191 * cpphash.h: Update prototypes.
3192 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
3195 2000-04-20 Richard Henderson <rth@cygnus.com>
3197 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
3199 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3201 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
3204 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
3206 * loop.c (emit_iv_add_mult): Simplify it's input and emit
3207 REG_EQUAL note explaining the calculated value.
3209 * calls.c (expand_call): Avoid unnecesary precalculation
3210 and outgoing parameters space guarding for sibling calls.
3211 (store_one_arg): Likewise.
3213 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3215 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
3216 (rest_of_compilation): Write sibling dump file and account
3217 for time as jump time.
3218 * invoke.texi: Update documentation on dump flags.
3220 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
3222 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
3224 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
3226 * cpphash.c (special_symbol): Represent an empty macro with
3227 "\r \r " not just "\r ".
3228 (_cpp_macroexpand): Correct condition for the foo ( ) special
3230 (unsafe_chars): Handle EOF as second argument.
3231 (push_macro_expansion): Simplify test for removing escape at
3232 end. Do not trim both escapes if there is no text in between.
3234 2000-04-19 Jim Blandy <jimb@redhat.com>
3236 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
3237 of PTR_SIZE, when appropriate.
3239 2000-04-19 Mark Mitchell <mark@codesourcery.com>
3241 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
3242 (USE_ENUM_BITFIELDS): Fix typo.
3244 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3246 * stor-layout.c (place_field): Set rli->offset_align properly.
3248 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3250 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
3251 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
3252 PARM_BOUNDARY): Remove unnecessary casts.
3254 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3256 * calls.c (precompute_arguments): Remove must_preallocate and
3258 (expand_call): Update call of precompute_arguments.
3260 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
3261 check_insn_for_givs): Break out from ...
3262 (strength_reduce) ... here; use for_every_insn_in_loop to call
3263 check_insn_for_givs.
3264 * loop.h (for_every_insn_in_loop): Declare.
3265 (loop_insn_callback): New type.
3267 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3269 * cpplib.c (do_pragma_poison): Strings in the token buffer are
3272 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
3274 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
3277 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3279 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
3281 * configure.in: Delete --disable-cpplib option and all
3282 references to cpp_main.
3283 * configure: Regenerate.
3284 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
3285 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
3286 cccp.o, cccp, or cppmain. Link cppmain.o straight to
3287 cpp$(exeext). Add --no-headers to makeinfo command line when
3288 generating INSTALL. Install and uninstall cpp.1 manpage, not
3290 * install.texi: Delete all references to cexp.y/cexp.c.
3291 Delete ancient instructions for compiling GCC on 3b1.
3292 * INSTALL: Regenerate.
3294 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
3295 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
3296 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
3298 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
3299 which is no longer tested anywhere.
3301 * cppinit.c (handle_option): Don't run error message through
3304 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3306 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
3307 * cpperror.c (hashtab.h): Now include.
3308 * cppexp.c (hashtab.h): Likewise.
3309 * cpplex.c (hashtab.h): Likewise.
3310 * cppfiles.c (hashtab.h): Likewise.
3311 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
3312 to htab_find_slot_with_hash.
3313 * cpphash.c (hashtab.h): Now include.
3314 (_cpp_lookup_slot): INSERT is now enum insert_option.
3315 * cpphash.h (_cpp_lookup_slot): Likewise.
3316 * cppinit.c (hashtab.h): Include earlier.
3317 (initialize_builtins): Pass enum to htab_find_slot.
3318 * cpplib.c (hashtab.h): Now include.
3319 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
3320 (do_pragma_poison, do_assert): Likewise.
3321 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
3322 htab_find_slot_with_hash.
3323 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
3324 * tree.c (type_hash_add): Likewise.
3325 (build1): Minor cleanup.
3327 * ggc-common.c: Add missing blanks.
3328 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
3329 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
3331 * stmt.c (mark_case_node): New function.
3332 (mark_case_nesting): Call it.
3334 * expmed.c (emit_store_flag): If comparing two-word integer
3335 with zero, can optimize NE, EQ, GE, and LT.
3337 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
3338 * conflict.c: Minor cleanups.
3339 * optabs.c: Add blank line
3340 * simplify-rtx.c: Minor cleanups.
3342 2000-04-18 Stan Cox <scox@cygnus.com>
3344 * gengenrtl.c (genlegend): Fix misspelling.
3346 2000-04-18 Robert Lipe <robertlipe@usa.net>
3348 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
3349 bitfields of the host compiler are not signed quantities.
3350 * config.in: Regenerate.
3351 * configure: Regenerate.
3352 * system.h (USE_ENUM_BITFIELDS): Added.
3353 (ENUM_BITFIELDS): Added.
3354 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
3355 (SHORT_ENUM_BUG): Deleted.
3356 * tree.h (tree_common): Members `code', `mode', `built_in_class',
3358 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
3359 (CODE_FIELD_BUG): Likewise.
3360 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
3362 * config/m68k/x-ccur (X_CFLAGS): Likewise.
3364 2000-04-18 Mark Mitchell <mark@codesourcery.com>
3366 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
3369 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3371 * cppexp.c (lex): Don't assume tokens are NUL terminated.
3372 * cpplib.c (do_include, do_import, do_include_next,
3373 read_line_number, detect_if_not_defined): Likewise.
3374 * cpphash.c (collect_expansion): Likewise.
3375 (special_symbol, _cpp_macroexpand): Check return from
3377 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
3378 macros. Delete all uses.
3380 * gcc.dg/cpp-mi.c: Add two more test cases.
3381 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
3383 2000-04-17 Richard Henderson <rth@cygnus.com>
3385 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
3386 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
3388 2000-04-17 Mark Mitchell <mark@codesourcery.com>
3390 * function.c (expand_function_start): Use hard_function_value to
3391 compute the RTL to use for DECL_RESULT.
3393 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3395 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
3396 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3397 x86_memory_mismatch_stall): New global variables.
3398 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
3399 alloved; fix load penalties for Athlon.
3400 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3401 x86_memory_mismatch_stall): Declare.
3402 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
3403 TARGET_MEMORY_MISMATCH_STALL): New.
3404 * i386.md (athlon scheduling parameters): Fix latencies according to
3405 Athlon Optimization Manual.
3406 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
3408 (fsqrt instruction patterns): Set athlon_decode to direct.
3409 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
3410 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
3411 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
3412 and TARGET_PARTIAL_REGISTER_STALL machines.
3413 (pushdf_nointeger): New pattern.
3414 (pushdf_integer): Rename from pushdf.
3415 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
3416 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
3418 2000-04-17 Richard Henderson <rth@cygnus.com>
3420 * loop.c (canonicalize_condition): Add WANT_REG argument.
3421 Stop the search if we match it.
3422 * expr.h (canonicalize_condition): Update decl.
3423 * predict.c (expected_value_to_br_prob): Use it. Track last
3424 expected value note.
3425 (find_expected_value): Remove.
3427 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
3429 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3431 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
3432 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
3434 * configure.in: Call AC_FUNC_MMAP_FILE.
3435 * configure: Regenerate.
3436 * config.in: Regenerate.
3438 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
3439 * fixinc/fixincl.c: Likewise.
3441 2000-04-17 Richard Henderson <rth@cygnus.com>
3443 * builtins.c (expand_builtin_expect): New.
3444 (expand_builtin): Call it.
3445 * builtins.def (BUILT_IN_EXPECT): New.
3446 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
3447 * extend.texi: Document it.
3449 * predict.c (expected_value_to_br_prob): New.
3450 (find_expected_value): New.
3451 * basic-block.h (expected_value_to_br_prob): Declare.
3452 * toplev.c (rest_of_compilation): Invoke it.
3454 * rtl.h (NOTE_EXPECTED_VALUE): New.
3455 (NOTE_INSN_EXPECTED_VALUE): New.
3456 * rtl.c (note_insn_name): Update.
3457 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
3458 cases; handle NOTE_INSN_EXPECTED_VALUE.
3460 2000-04-17 Jakub Jelinek <jakub@redhat.com>
3462 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
3463 leaf sibcall delay slot if flag_pic.
3464 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
3466 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3468 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
3470 * fixproto: If fix-header fails, exit with an error.
3472 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3474 * cse.c (struct check_depdendence_data): New.
3475 (check_dependence): New function.
3476 (invalidate): Use check_depdenence.
3478 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3480 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
3481 UNITS_PER_WORD is unsigned.
3483 * tree.h (struct tree_common): Remove misleading comment.
3485 2000-04-16 Dave Pitts <dpitts@cozx.com>
3487 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
3488 message in quotes. Otherwise, IBM's make program treats the '#' as the
3489 start of a comment and ignores the remainder of the line.
3491 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
3493 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
3494 * cexp.y (initialize_random_junk): Likewise.
3495 * cppfiles.c (find_include_file): Cast alloca return value.
3496 * cppinit.c (initialize_standard_includes): Likewise.
3497 * cpplib.c (cpp_define, cpp_undef): Likewise.
3498 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
3499 * final.c (output_asm_insn): Allow for holes in EBCDIC.
3500 * fold-const.c (CHARMASK): New.
3501 (real_hex_to_f): Use it.
3502 * real.c (CHARMASK): New.
3503 (etoasc, asctoeg): Use it.
3504 (asctoeg): EBCDIC lower case characters preceed upper case.
3506 * i370.c (mvs_add_label): Change spacing for coding conventions.
3507 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
3508 outputing case vectors.
3509 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
3510 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
3511 since vector in in the data CSECT.
3512 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
3513 * i370.md (Many patterns): Put the length in the XL directives.
3514 (movdi): Put back STM and MVC in definition.
3515 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
3516 pattern using the TCA.
3517 * oe.h (CPP_SPEC): Added to allow trigraphs.
3518 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
3519 not support the "long long" type.
3521 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3523 * config/mips/mips-protos.h (mips_legitimate_address_p): New
3525 (mips_reg_mode_ok_for_base_p): Likewise.
3526 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
3527 (REG_OK_FOR_INDEX_P): Define unconditionally.
3528 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
3529 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
3530 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
3531 that GET_MODE_SIZE is unsigned.
3532 (mips_reg_mode_ok_for_base_p): Define.
3533 (mips_legitimate_address_p): Likewise. Adjust now
3534 that GET_MODE_SIZE is unsigned.
3535 (block_move_loop): Make the number of bytes unsigned.
3536 (expand_block_move): Likewise.
3537 (function_arg): Make the loop counter unsigned to match the
3540 2000-04-16 Richard Henderson <rth@cygnus.com>
3542 * rtl.h (enum insn_note): New enumeration. Subsume
3543 NOTE_INSN_DELETED and friends.
3544 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
3545 * rtl.c (note_insn_name): Tweak string order.
3547 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
3549 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
3552 * cpplex.c (output_line_command): Remove debugging prints.
3553 (cpp_output_tokens): Don't write out a zero-length buffer or
3554 try to see if it has a newline in it.
3555 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
3556 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
3557 the end of the loop. Use memmove. Don't read past the end of
3558 the buffer. Remove trailing newlines from error messages.
3560 2004-04-16 Neil Booth <NeilB@earthling.net>
3562 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
3563 * cpplib.c: Add new syntax flags to directive table, and
3566 2000-04-15 Ulrich Drepper <drepper@redhat.com>
3568 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
3571 2000-04-15 David Edelsohn <edelsohn@gnu.org>
3573 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
3574 * haifa-sched.c: Update -fsched-verbose comments to use "=".
3576 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3578 * Makefile.in (ggc-page.o): Now includes toplev.h.
3579 * ggc-page.c (toplev.h): Now included.
3580 (gc_time): Remove declaration.
3581 (ggc_collect): TIME now long.
3582 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
3584 * toplev.h (gc_time, parse_time, gc_time): New declarations.
3586 * toplev.c: Make *_time variable long to reduce chance of overflow.
3587 (TIMEVAR): Likewise for `otime'.
3588 (print_time): Arg is now long; compute percentage in FP and round.
3589 * toplev.h (print_time): Arg is long.
3591 * tree.c: Minor whitespace changes.
3593 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
3594 * configure: Rebuilt.
3595 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
3596 (__fixunsxfDI): Renamed from __fixunsxfdi.
3597 (__fixunsdfDI): Renamed from __fixunsdfdi.
3598 (__fixunssfDI): Renamed from __fixunssfdi.
3599 (__floatdisf): Use proper type in REP_BIT macro.
3600 (__fixunsxfSI): Renamed from __fixunsxfsi.
3601 (__fixunsdfSI): Renamed from __fixunsdfsi.
3602 (__fixunssfSI): Renamed from __fixunssfsi.
3603 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
3604 Change location of macros and upper-case some names as above.
3605 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
3606 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
3608 * varasm.c (assemble_variable): Add cast to remove warning.
3609 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
3611 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
3612 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
3613 region number to -1.
3615 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
3617 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
3618 call unshare_all_rtl.
3620 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
3622 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
3624 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
3625 Use .s1 not .s0 for all FP instructions.
3627 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
3629 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
3631 (safe_fwrite, output_line_command): New static functions.
3632 (cpp_expand_to_buffer): Now private to cpplib.
3633 (cpp_scan_buffer): Take a printer.
3635 * cpphash.h: Update prototypes.
3636 * cpplib.h: Update prototypes.
3638 (cpp_buffer): Remove last_nominal_fname.
3639 (cpp_reader): Remove lineno.
3641 * cppmain.c: Use a cpp_printer.
3642 * fix-header.c: No need to inhibit line commands. Call
3643 cpp_start_read with no printer.
3645 * cpperror.c (cpp_notice_from_errno): Provide default name.
3646 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
3647 (find_include_file, cpp_read_file): Use make_IHASH.
3648 (file_cleanup): Set control_macro and clear
3649 input_stack_listing_current here.
3650 (_cpp_execute_include): Don't output entering-file marker.
3651 * cpphash.c (special_symbol): Look for the line number in the
3652 buffer, not the reader.
3653 (_cpp_macroexpand): No need to disable line commands.
3654 (_cpp_dump_definition): No need to generate line commands.
3655 (dump_hash_helper): Remove excess newline from output.
3656 * cppinit.c (dump_special_to_buffer): No need to generate line
3658 (cpp_printer_init): New.
3659 (cpp_start_read): Take a printer, and start it up if it's not
3660 NULL. No need to generate line commands.
3661 (cpp_finish): Expect no buffers stacked at all. Take a
3662 printer argument, and flush the output buffer if it's not
3664 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
3665 Don't put two hashes at the beginning of an assertion.
3666 (cpp_get_token): Don't increment pfile->lineno or emit line
3667 commands here. Return EOF if there's no buffer when we get
3669 * cpplib.c (do_define, skip_if_group):
3670 No need to disable line commands.
3671 (_cpp_output_line_command): Delete function.
3672 (do_line): Don't emit line commands here, but set things up so
3673 they will be emitted if necessary. Use _cpp_fake_ihash to
3674 make unique nominal_fnames if necessary.
3675 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
3676 with 0 for column, not -1.
3677 (_cpp_handle_eof): Don't set the control macro here. Don't
3678 clear input_stack_listing_current here. Don't emit line
3681 2000-04-14 Geoff Keating <geoffk@cygnus.com>
3683 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
3684 always, use the default SVR4 start address.
3686 * config/rs6000/linux.h (LINK_SPEC): Don't define.
3687 (LINK_SHLIB_SPEC): Define.
3688 (LINK_START_DEFAULT_SPEC): Define.
3689 (LINK_OS_DEFAULT_SPEC): Define.
3691 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
3693 * config/rs6000/eabi.asm (__eabi): Call __init rather than
3694 __do_global_ctors to handle constructors.
3695 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
3696 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
3697 (STARTFILE_MVME_SPEC): Likewise.
3698 (STARTFILE_SIM_SPEC): Likewise.
3699 (ENDFILE_ADS_SPEC): Use crtend.
3700 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
3701 (ENDFILE_MVME_SPEC): Likewise.
3702 (ENDFILE_SIM_SPEC): Likewise.
3703 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
3704 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
3705 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
3706 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
3707 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
3708 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
3709 (CRTSTUFF_T_CFLAGS_S): Define.
3710 * config/rs6000/eabi-ctors.c: Delete.
3712 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
3715 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
3719 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
3721 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
3722 plus mask size is smaller or equal to the mode size.
3724 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3726 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
3729 * expr.c (reload.h): Now included.
3730 (emit_block_move): Set volatile_ok when checking for movstr.
3731 (emit_move_1): Check for replacements in addresses in multi-word case.
3732 * Makefile.in (expr.o): Now includes reload.h.
3734 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
3735 Never have a LIBCALL end a basic block.
3736 (find_basic_blocks_1): Likewise.
3737 Reorganize CALL_INSN cases.
3739 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
3741 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
3743 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
3744 completers from mov.ret instruction.
3746 2000-04-14 Richard Henderson <rth@cygnus.com>
3748 * fold-const.c (extract_muldiv): Don't distribute and widen
3749 multiply across plus for non-sizetype unsigned types.
3751 2000-04-14 Richard Henderson <rth@cygnus.com>
3753 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
3754 If the original source is dead in the incr insn, it's dead now.
3756 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3758 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
3759 see if DECL_BIT_FIELD needs to still be set.
3761 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
3763 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
3764 print_int_cst_octal with something that's not an INTEGER_CST.
3766 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
3767 and not a SUBREG to a FLOAT rtl.
3769 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
3771 * emit-rtl.c (try_split): Avoid infinite loop if the split
3772 results in a sequence that contains the original insn.
3774 2000-04-13 Andreas Jaeger <aj@suse.de>
3776 * config/mips/mips.c (expand_block_move): Pass alignment
3777 argument to move_by_pieces in bits, not bytes.
3779 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
3780 __pic__ for little endian.
3782 2000-04-13 Andreas Jaeger <aj@suse.de>
3784 * config/i386/i386-protos.h: Add prototype for
3785 uno_comparison_operator.
3787 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3789 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
3790 * calls.c (ECF_PURE): New flag.
3791 (emit_call_1): Handle ECF_PURE calls.
3792 (initialize_argument_information): Unset ECF_PURE flag too.
3793 (precompute_arguments): Precompute for ECF_PURE too.
3794 (expand_call): Handle ECF_PURE calls too.
3795 (emit_library_call_value_1): Rename no_queue argument to fn_type,
3796 accept value of 2 as pure function.
3797 (emit_library_call_value, emit_library_call): Rename no_queue argument
3799 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
3801 * tree.h (DECL_IS_PURE): New macro.
3802 (struct tree_decl): Add pure_flag.
3803 * c-common.c (enum attrs): Add attribute "pure".
3804 (init_attributes): Initialize attribute "pure"
3805 (decl_attributes): Handle attribute "pure".
3806 * extend.texi (Attribute "pure"): Document.
3807 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
3809 (flags_from_decl_or_type): Support attribute "pure".
3811 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
3813 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
3814 the token except for numbers and identifiers.
3816 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
3818 * i386.c (ix86_expand_binary_operator,
3819 ix86_expand_unary_operator): Check no_new_pseudos
3820 instead of reload_in_progress and reload_completed.
3821 (ix86_split_ashldi, ix86_split_ashrdi,
3822 ix86_split_lshrdi): Check no_new_pseudos instead
3823 of reload_completed.
3825 2000-04-12 Jeffrey A Law (law@cygnus.com)
3827 * function.c (purge_addressof): Unshare any shared rtl created by
3828 purge_addressof and its children.
3830 2000-04-12 Mark Mitchell <mark@codesourcery.com>
3832 * function.c (aggregate_value_p): VOID_TYPE nodes are never
3835 2000-04-05 Andreas Jaeger <aj@suse.de>
3837 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
3838 not compiling PIC code, add flags for mabi=64.
3839 (SUBTARGET_CPP_SIZE_SPEC): New.
3840 (SUBTARGET_CPP_SPEC): New.
3841 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
3842 for MIPS/Linux and lots of code needs these defines.
3844 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
3846 * reorg.c (fill_slots_from_thread): Check side_effects_p when
3847 trying the "opposite arithmetic" approach.
3849 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3851 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
3852 (struct sh_args): Add new field force_mem.
3853 (INIT_CUMULATIVE_ARGS): Initialize it.
3854 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
3856 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3858 * calls.c (expand_call): Do not reverse args in "equal from" field.
3859 (emit_library_call_value_1): Emit_libcall_block for const and pure
3862 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3864 * reload1.c (reload_combine): Don't enable optimization for fixed
3865 registers when encountering a BARRIER.
3867 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3869 * builtins.c (expand_builtin_memcmp): Do expansion even with
3870 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
3872 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
3873 stack is propertly aligned; add sanity checking for aligned
3875 (expand_library_call_value_1): Add sanity checking for aligned
3878 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
3880 * calls.c (emit_library_call_value_1): Change 3rd arg to
3881 locate_and_pad_parm to disregard the setting of partial.
3883 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3885 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
3887 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
3888 CALL_INSN from the normal case.
3890 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
3892 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3893 New global variables.
3894 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
3896 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3898 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
3899 TARGET_ADD_ESP_8): New macros.
3900 * i386.md: Add peep2s to convert esp adjustments to push and pop
3902 (pushsi_prologue, popsi_epilogue): New patterns.
3904 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3906 * real.c (toe64): Remove stale #endif from the last change.
3908 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
3910 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
3911 * real.c (toe64): Revert previous change.
3913 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3915 * objc/objc-act.c: Include ggc.h.
3916 (objc_tree_index, objc_global_trees): Convert most of the
3917 static tree variables into a static array with previous names
3919 (objc_ellipsis_node): New variable.
3920 (lang_init): Call objc_act_parse_init and c_parse_init.
3921 Create objc_ellipsis_node.
3922 (build_selector_translation_table): Use objc_ellipsis_node instead
3924 (hack_method_prototype): Likewise.
3925 (get_arg_type_list): Likewise.
3926 (start_method_def): Likewise.
3927 (continue_method_def): Likewise.
3928 (gen_method_decl): Likewise.
3929 (ggc_mark_imp_list): New function.
3930 (ggc_mark_hash_table): New function.
3931 (objc_act_parse_init): New function.
3932 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
3933 * c-parse.in (c_parse_init): For objc add roots of objc specific
3934 local tree variables.
3935 * objc/objc-parse.y: Rebuilt.
3936 * objc/objc-parse.c: Rebuilt.
3937 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
3939 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
3941 * cse.c (delete_trivially_dead_insns): Also delete insns
3942 that copy a register to itself where the destination is
3945 2000-04-11 Richard Henderson <rth@cygnus.com>
3947 * flow.c (struct propagate_block_info): Add new_dead, new_live.
3948 (propagate_block): Initialize them. Use them in parallel instead
3949 of one tmp variable, ie revert much of the 0408 and 0407 functional
3950 changes, but keep the structural changes.
3951 (mark_set_regs): Take new_dead from propagate_block_info instead.
3952 (mark_set_1, mark_set_reg): Likewise.
3953 (mark_used_regs): Likewise with new_live.
3954 (mark_used_reg): Likewise. Revert 0408 change.
3956 2000-04-11 Nick Clifton <nickc@cygnus.com>
3958 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
3960 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
3962 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3964 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
3965 const section to output a CONSTRUCTOR based on the same conditions
3968 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
3970 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
3971 * pa/pa-protos.h (output_call): Add additional argument indicating
3972 if the call is a sibling/tail call.
3973 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
3974 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
3975 (function_arg, function_arg_partial_nregs): Likewise
3976 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
3977 (emit_move_sequence): Zero extend certain constants as needed
3979 (compute_zdepdi_operands, output_64bit_and): New functions.
3980 (output_64bit_ior, function_arg): Likewise.
3981 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
3982 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
3983 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
3984 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
3985 (output_bvb): Likewise.
3986 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
3987 (output_call): New argument 'sibcall'. Generate sibcall sequences
3989 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
3990 (ouput_arg_descriptor): Do not emit argument descriptors for
3992 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
3994 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
3995 (FUNCTION_OK_FOR_SIBALL): Define.
3996 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
3997 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
3998 (CPP_SPEC): Use new spec infrastructure.
3999 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
4000 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
4001 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
4002 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
4003 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
4004 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
4005 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
4006 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
4007 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
4008 (FUNCTION_ARG); Call out to C code.
4009 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
4010 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
4011 (MIN_UNITS_PER_WORD): Likewise.
4012 * pa/pa.md (cmpdi): New expander.
4013 (scc patterns, movstrsi): Not available for TARGET_64BIT.
4014 (64bit conditional arithmetic): New patterns.
4015 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
4016 (movsicc): Not available if modes on all the operands to not match.
4017 (movdicc): New expander and associated patterns.
4018 (64bit branches): New patterns.
4019 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
4020 (pre_ldd, post_std): New patterns.
4021 (64bit addil, load low part): New patterns.
4022 (special movsf constant): Not available for TARGET_64BIT.
4023 (movsf, movdf expanders): Force constants into memory.
4024 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
4025 (64bit movdf/movdi patterns): New patterns.
4026 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
4028 (extendqidi2, extendhidi2, extendsidi2): Similarly.
4029 (adddi3 expander): Allow "arith_operand" for second input.
4030 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
4031 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
4032 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
4033 (muldi3): New expander for TARGET_64BIT.
4034 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
4036 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
4037 patterns for TARGET_64BIT.
4038 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
4039 patterns for TARGET_64BIT.
4040 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
4041 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
4042 (sibcall_epilogue): New expander.
4043 (casesi): Tweak for TARGET_64BIT.
4044 (call expanders): Set & use the outgoing argument pointer. Use the
4045 64bit call patterns as needed. Add additional arg to output_call.
4046 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
4047 (sibcall, sibcall_internal_symref): New expanders.
4048 (sibcall_value, sibcall_value_internal_symref
4049 (interspace_jump): Turn into an expander + matching patterns.
4050 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
4051 * pa/pa64-regs.h: Eliminate trigraph sequences.
4052 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
4054 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
4056 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
4057 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
4058 cpp_token with cpp_ttype everywhere.
4059 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
4060 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
4061 CPP_BUF_COL. Line and column numbers are unsigned int, not
4063 * cpplex.c (cpp_buf_line_and_col): Delete.
4064 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
4065 'long lineno' to 'unsigned int lineno'.
4066 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
4068 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4070 * extend.texi: ISO C99 is not a draft anymore.
4071 * invoke.texi: ISO C++ is not a draft anymore.
4072 * cpp.texi: __cplusplus is required by the ISO standard.
4074 * extend.texi (-fthis-is-variable): Undocument.
4075 * flags.h (warn_template_debugging): Remove declaration.
4076 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
4077 -Wenum-clash, -Wtemplate-debugging): Undocument.
4079 2000-04-10 Nick Clifton <nickc@cygnus.com>
4081 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
4083 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
4085 (ARM_SIGN_EXTEND): Use HOST_UINT.
4086 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
4087 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
4088 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
4089 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
4091 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
4092 (arm_gen_constant): Use HOST_UINT.
4093 (arm_canonicalize_constant): Use HOST_UINT.
4094 (arm_reload_in_hi): Use HOST_UINT.
4095 (arm_reload_out_hi): Use HOST_UINT.
4096 (output_multi_immediate): Use HOST_UINT.
4097 (int_log2): Use HOST_UINT.
4098 (arm_poke_function_name): Use HOST_UINT.
4099 (arm_output_epilogue): Use arm_volatile_func().
4100 (output_thumb_prologue): Use arm_strip_name_encoding().
4102 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4104 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
4105 of sequence point problems.
4107 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
4109 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
4111 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
4113 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4115 * sbitmap.h: Whitespace changes and use upper-case macro args.
4116 (struct simple_bitmap_def): All sizes now unsigned.
4117 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
4118 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
4119 (sbitmap_vector_alloc): Parms and local vars now unsigned.
4120 (sbitmap_zero): Cast bzero arg to PTR.
4121 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
4122 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
4123 loop to make structure clearer.
4124 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
4125 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
4126 (sbitmap_a_and_b_or_c): Likewise.
4127 (sbitmap_intersection_of_succs): Minor cleanups.
4128 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
4129 (sbitmap_union_of_preds): Likewise.
4130 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
4131 (debug_sbitmap): New function.
4133 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
4134 * c-typeck.c (convert_for_assignment): Likewise.
4136 * expmed.c (init_expmed): Don't free objects we make.
4137 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
4139 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
4140 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
4142 * gcse.c (expr_hash_table_size): Now unsigned.
4143 (compute_ae_gen): Local variable `i' now unsigned.
4144 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
4145 (compute_transout, hoist_code): Likewise.
4146 (compute_local_properties): Likewise, also hash_table_size.
4147 (alloc_expr_hash_table): N_INSNS now unsigned.
4148 (delete_null_pointer_checks): Mark arg F as unused.
4150 * regrename.c: Minor cleanups, including chang some variables
4153 2000-04-10 Neil Booth <NeilB@earthling.net>
4155 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
4157 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
4159 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4161 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
4162 __classof__, and __headof__ from the list of gnu keywords.
4163 (-ansi): Remove -foperator-names from list of implied options.
4164 Do not call it ANSI C++.
4165 (-foperator-names): Document as -fno-operator-names.
4167 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
4169 * cpphash.c (timestamp): Delete.
4170 (del_HASHNODE): If type is T_MCONST, free value.cpval.
4171 (special_symbol): Remove unnecessary braces. Remove
4172 T_VERSION. Treat T_STDC like T_CONST unless
4173 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
4174 when one is encountered, then convert them into T_MCONST
4176 * cppinit.c (builtin_array): version_string is T_MCONST.
4177 __STDC__ has a "1" in its cpval. Don't have a terminator
4178 entry. Clean up which entries are dumped.
4179 (initialize_builtins): Only __STDC__ gets the special
4180 -traditional treatment. Count the length of builtin_array.
4181 Render version_string here.
4182 * cpphash.h: Remove T_VERSION. Add T_MCONST.
4183 * cpplib.h (struct cpp_reader): Remove timebuf.
4185 2000-04-09 Richard Henderson <rth@cygnus.com>
4187 * genrecog.c (pred): Update comparison_operator for the unordered
4190 * config/i386/i386.c (no_comparison_operator): Disallow unordered
4192 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
4193 (uno_comparison_operator): New.
4194 (put_condition_code): Handle UNORDERED/ORDERED.
4195 (unsigned_comparison): Likewise.
4196 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
4197 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
4198 (ix86_expand_fp_compare): Use them. Take scratch as argument,
4199 update all callers. Handle all 8 unordered operators.
4200 (ix86_expand_setcc): Lose the unordered argument, update all callers.
4201 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
4202 * config/i386/i386.h (PREDICATE_CODES): Update.
4203 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
4204 (ix86_expand_branch, ix86_expand_setcc): Update.
4205 * config/i386/i386.md (sunordered, sordered): New.
4206 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
4207 (bunordered, bordered): New.
4208 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
4209 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
4210 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
4212 2000-04-09 Philip Blundell <philb@gnu.org>
4214 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
4216 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
4218 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
4219 fix_truncxfhi2): New patterns.
4220 * i386.c (output_fix_trunc): Handle converting to HImode.
4222 2000-04-08 Alex Samuel <samuel@codesourcery.com>
4224 * ssa.c (convert_to_ssa): Eliminate dead code when calling
4226 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
4227 (for_each_successor_phi): Change parameter to basic_block.
4228 (coalesce_regs_in_successor_phi_nodes): Likewise.
4229 (coalesce_regs_in_copies): Likewise.
4230 (compute_coalesced_reg_partition): Use basic_block instead of index.
4231 * rtl.h (convert_to_ssa): Delete.
4232 (convert_from_ssa): Likewise.
4233 (successor_phi_fn): Likewise.
4234 (for_each_successor_phi): Likewise.
4235 (in_ssa_form): Likewise.
4236 * basic-block.h (convert_to_ssa): Moved from rtl.h.
4237 (convert_from_ssa): Likewise.
4238 (successor_phi_fn): Likewise.
4239 (in_ssa_form): Likewise.
4240 (for_each_successor_phi): Likewise. Change parameter to basic_block.
4241 * flow.c (calculate_global_regs_live): Pass a basic_block to
4242 for_each_successor_phi.
4244 2000-04-08 Richard Henderson <rth@cygnus.com>
4246 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
4247 was modified in the current insn.
4249 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4251 * arm/thumb.md: Delete.
4252 * arm/thumb-protos.h: Delete.
4254 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4256 Merge changes from merged-arm-thumb-backend-branch onto trunk.
4258 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4260 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
4263 * arm.md (nop): Use the standard RTL expression. Don't code as a
4265 (*arm_nop, *thumb_nop): Delete.
4267 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
4268 constants. Use casts instead.
4269 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
4270 output_multi_immediate, arm_poke_function_name): Likewise.
4271 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
4272 MASK_RETURN_ADDDR): Likewise.
4274 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
4276 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
4279 * arm.md (eh_epilogue): New function.
4280 * arm.h (struct machine_function): Move to here ...
4281 * arm.c: ... from here.
4282 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
4283 (thumb_exit): Extra parameter eh_ofs. All callers changed.
4284 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
4286 2000-03-30 Nick Clifton <nickc@cygnus.com>
4288 * config/arm/semi.h (ASM_SPEC): Restore definition.
4289 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4291 * config/arm/elf.h (ASM_SPEC): Restore definition.
4292 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4294 * config/arm/arm.h (ASM_SPEC): Remove definition.
4295 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
4297 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4299 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
4301 2000-03-24 Nick Clifton <nickc@cygnus.com>
4303 Various formating tidyups, elimination of compile time
4304 warnings and synchronisation with internal sources:
4306 * config/arm/arm-protos.h (assemble_align): Add prototype.
4307 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4308 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4309 (arm_return_addr_rtx): Rename to arm_return_addr.
4311 * config/arm/arm.c: Include except.h.
4312 Define shorter typenames for strict minipool_node and struct
4314 (arm_return_in_memory): For WinCE return all structures <= 32 bits
4316 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4317 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4319 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4321 (ASM_SPEC): Define if not already defined.
4322 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
4324 * config/arm/arm.md: Rename references to gen_rotated_half_load to
4325 arm_gen_rotated_half_load, and references to gen_comapre_reg to
4326 arm_gen_compare_reg.
4327 (indirect_jump): Only accept register operands.
4328 (load_indirect_jump): Keep this pattern since combine can generate
4331 * config/arm/coff.h: Include aout.h.
4332 (MULTILIB_DEFAULTS): Only define if not already defined.
4334 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
4335 into arm.h (so that COFF ports can support thumb based aliases).
4336 (ASM_SPEC): Move definition into arm.h
4338 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
4339 redundant apcs spec.
4340 (ASM_SPEC): Move definition to arm.h
4342 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
4344 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
4345 for entries in the .bss section
4347 2000-03-23 Nick Clifton <nickc@cygnus.com>
4349 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
4350 to thumb_far_jump_used_p.
4352 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
4353 single integer parameter.
4355 * config/arm/arm.c (struct machine_function): Add two new
4356 fields, 'far_jump_used' and 'arg_pointer_live'.
4357 (thumb_far_jump_used_p): Once the decision has been made that
4358 far jumps might be used, always return true.
4359 If being called from the initial elimination offset macro then
4360 do not bother to perform the test if the arg pointer is not
4362 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
4363 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
4365 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
4367 * arm.c (output_return_instruction): Handle more cases where we can
4368 return from a function with an ldr instruction.
4369 (arm_output_epilogue): Likewise.
4371 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
4372 if we need to push a large stack frame and there are no callee-saved
4375 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
4376 in ARM code if the frame pointer has been eliminated.
4378 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
4379 unspec_volatile arguments to avoid duplicates.
4380 (consttable_1, consttable_2): Fixes for big-endian mode.
4382 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
4385 Re-write constant pool code.
4386 * arm.c (minipool_node, minipool_fix): New types.
4387 (minifix): Delete type.
4388 (arm_add_minipool_constant): Delete.
4389 (arm_compute_minipool_offsets, arm_find_barrier,
4390 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
4391 (get_jump_table_size): Now returns HOST_WIDE_INT.
4392 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
4394 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
4395 (assign_minipool_offsets, arm_print_value): Likewise.
4396 (dump_minipool): Rewrite.
4397 (arm_barrier_cost): New function.
4398 (create_fix_barrier): New function.
4399 (push_minipool_barrier): New function.
4400 (push_minipool_fix): Record additional information about the fixup
4402 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
4403 check the mode of what needs fixing.
4404 (arm_reorg): Rewrite.
4406 2000-03-08 Nick Clifton <nickc@cygnus.com>
4408 * config/arm/arm.md (indirect_jump): Force constant addresses into
4411 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
4413 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
4415 2000-02-24 Nick Clifton <nickc@cygnus.com>
4417 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
4418 adjust is word aligned.
4419 (thumb_expand_epilogue): Make sure that stack adjust is word
4422 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
4424 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
4426 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
4427 pointer relative addresses.
4429 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
4431 * arm.c (find_barrier): Find the last barrier within the allowed
4434 2000-02-09 Nick Clifton <nickc@cygnus.com>
4436 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
4438 2000-02-09 Nick Clifton <nickc@cygnus.com>
4440 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
4441 ARM_FUNCTION_PROFILER.
4443 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
4444 ARM_FUNCTION_PROFILER.
4446 * config/arm/linux-oldld.h: Imported from mainline sources.
4448 2000-02-07 Nick Clifton <nickc@cygnus.com>
4450 * config/arm/lib1funcs.asm: Merge in thumb functions from
4453 * config/arm/lib1thumb.asm: Delete.
4455 2000-02-04 Nick Clifton <nickc@cygnus.com>
4457 * config/arm/arm.c: Sychronised with current Red hat local
4459 * config/arm/arm.h: Ditto.
4460 * config/arm/arm-protos.h: Ditto.
4462 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
4464 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
4466 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
4469 2000-02-02 Nick Clifton <nickc@cygnus.com>
4471 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
4473 * config/arm/arm.md (epilogue): Fix rtl checking abort because
4474 (return) was emited using an emit_insn() call.
4476 2000-01-31 Nick Clifton <nickc@cygnus.com>
4478 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
4480 (thumb_exit): Move frame pointer back into hard frame pointer
4481 register if backtracing is being used.
4483 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
4485 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
4488 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
4490 * config/arm/arm.md (neg_pool_offset): Provide default for new
4492 (arm_movsi_insn): Add neg_pool_offset attribute.
4493 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
4494 rtx for the insn that starts the scan and an unsigned long for its
4495 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
4496 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
4497 instructions in *PINSERTED.
4498 (struct minipool_fixup): Add MIN_ADDRESS elt.
4499 (sort_fixups): Compute it.
4500 (arm_reorg): Changes to support inserting pools before the insn to be
4503 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4505 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
4506 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
4507 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
4509 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
4511 * config/arm/semi.h (TARGET_VERSION): Do not define if already
4513 (TARGET_DEFAULT): Do not define if already defined.
4515 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
4517 * config/arm/arm.md (anddi3): Allow disjoint source operands.
4518 (iordi3): Allow disjoint source operands.
4519 (xordi3): Allow disjoint source operands.
4520 (negdi2): Permit construction for ARM and Thumb.
4521 (arm_negdi2): Renamed version of old negdi2 pattern.
4522 (thumb_negdi2): New pattern: Only permit non-overlapping
4523 source and destination.
4525 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
4527 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
4528 scratch low register so that it will not be deleted.
4530 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
4532 * config/arm/pe.h (ARM_PE): Define.
4534 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
4535 interfacearm attribute if this is a PE toolchain.
4536 (output_return_instruction): Do not emit anything if the function
4537 has the naked attribute set.
4538 (is_called_in_ARM_mode): If the function has the interfacearm
4539 attribute then return true.
4540 (thumb_expand_prologue): Do not generate a prologue for naked
4542 (thumb_expand_epilogue): Do not generate an epilogie for a naked
4544 (output_thumb_prologue): Do not bother if the function is naked.
4545 Strip PE encoding from function name before emitting.
4547 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
4549 * arm.md (pic_load_addr): Fix constraints.
4551 * arm.md (casesi_insn): Fix mis-applied patch.
4553 * arm.md ("core" function unit): Add rules for single- and
4555 (All TARGET_THUMB patterns): Add "type" attribute information
4557 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
4558 the following insn is a CALL.
4560 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
4562 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
4563 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
4564 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
4566 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
4568 * config/arm/linux-gas.h: oops - this file was missed out when the
4569 branch was created...
4571 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
4573 * thumb.c: Deleted. Move contents to ...
4575 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
4577 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
4580 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
4581 declare a prototype for asm_output_align();
4583 * arm.c (thumb_condition_code): Delete.
4584 (arm_print_operand): Always use arm_condition_code array.
4586 * arm.c (thumb_return_addr_rtx): Delete.
4587 (arm_save_machine_status, arm_restore_machine_status): Delete.
4588 (arm_init_machine_status, arm_mark_machine_status): New functions.
4589 (arm_init_expanders): Update accordingly.
4590 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
4591 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
4592 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
4594 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
4596 * configure.in : Fix arm-*-aout target to use new t-arm-aout
4598 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
4601 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
4603 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
4604 stack backtrace structure.
4606 * config/arm/arm-protos.h: Add prototypes for functions defined in
4609 * config/arm/arm.c (arm_override_options): Fix selection of
4610 attributes of default processor.
4612 * config/arm/coff.h: Delete needless #include.
4614 * config/arm/pe.c: Delete unused code.
4616 * config/arm/pe.h (CPP_DEFINES): Delete
4617 (SUBTARGET_CPP_SPEC): Define.
4618 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
4620 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
4622 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
4624 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
4626 (CAN_DEBUG_WITHOUT_FP): Define.
4627 (FIXED_REGISTERS): Make r11 call-saved.
4628 (CALL_USED_REGISTERS): Likewise.
4629 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
4630 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
4631 frame-pointer is required.
4632 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
4633 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
4634 if the target normally needs a stack frame in non-leaf functions.
4635 (use_return_insn): Correct logic for determining when a return
4636 instruction can be used.
4637 (output_return_instruction): Handle the frame-pointer register as
4638 a normal register when not TARGET_APCS_FRAME.
4639 (arm_output_prologue): Likewise.
4640 (arm_output_epilogue): Likewise.
4641 (output_func_epilogue): Likewise.
4642 (arm_expand_prologue): Likewise.
4643 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
4645 * arm.c (use_return_insn): No need to check floating point regs if
4647 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
4648 the code of value stored in the minipool array.
4649 (arm_add_minipool_constant): Likewise.
4651 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4653 * basic-block.h (conflict_graph_enum_fn): K&R fix.
4655 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4657 * tree.c (tree_expr_nonnegative_p): New function.
4659 * tree.h (tree_expr_nonnegative_p): Declare.
4661 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
4662 elide some sign_compare warnings.
4663 (build_conditional_expr): Likewise.
4665 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
4667 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
4669 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
4670 * i386.c (print_operand): Use the proper suffix for a 387 HImode
4671 operand. Abort if a 387 operand has an unsupported size.
4673 2000-04-08 Neil Booth <NeilB@earthling.net>
4675 * cppexp.c (parse_charconst): Null does not end character
4677 * cppinit.c (ISTABLE): Null character handled as whitespace.
4678 * cpplex.c (null_warning): new function.
4679 (skip_string): Emit warning if nulls encountered.
4680 (_cpp_skip_hspace): Emit warning if nulls encountered.
4681 (_cpp_lex_token): Emit warning if nulls encountered. Drop
4685 2000-04-07 Richard Henderson <rth@cygnus.com>
4687 * flow.c (loop_depth): Remove.
4688 (reg_next_use, cc0_live, mem_set_list): Replace with ...
4689 (struct propagate_block_info): New.
4690 (life_analysis): Don't allocate reg_next_use.
4691 (propagate_block_delete_insn): Break out of propagate_block.
4692 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
4693 (propagate_block_delete_libcall): Likewise.
4694 (propagate_block): Create a propagate_block_info struct to pass
4695 to subroutines. Allocate one not two temporary regsets. Don't
4696 clobber memory for const calls. Look for clobbers in
4697 CALL_INSN_FUNCTION_USAGE.
4698 (mark_set_regs): Recognize COND_EXEC.
4699 (mark_set_reg): Break out of mark_set_1.
4700 (mark_used_reg): Break out of mark_used_regs.
4701 (mark_used_regs): Recognize COND_EXEC.
4702 (insn_dead_p): Use propagate_block_info struct.
4703 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
4704 (find_auto_inc, try_pre_increment_1): Likewise.
4705 (print_rtl_with_bb): Dump regs live at end too.
4706 (count_reg_sets_1): Pass in loop_depth.
4707 (count_reg_sets, count_reg_references): Likewise.
4708 (recompute_reg_usage): Provide it.
4710 2000-04-07 Richard Henderson <rth@cygnus.com>
4712 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
4715 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
4717 * cpplib.c (do_elif): Skip the rest of the line if we're
4718 not going to bother evaluating it.
4719 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
4720 to avoid pointless calls to the lexer.
4722 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
4724 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
4726 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
4728 * calls.c (expand_call): emit_queue if we're trying a sibcall.
4730 2000-04-07 Jakub Jelinek <jakub@redhat.com>
4732 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
4734 2000-04-06 Geoff Keating <geoffk@cygnus.com>
4736 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
4737 crtend so they can be multilibbed.
4738 (STAGESTUFF): Remove s-crt and s-crtS.
4740 2000-04-07 Richard Henderson <rth@cygnus.com>
4742 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
4743 if we discover we need a pseudo and no_new_pseudos is true.
4744 * config/alpha/alpha.md (ne:DI insn): New.
4745 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
4747 2000-04-07 Richard Henderson <rth@cygnus.com>
4749 * rtl.def (COND_EXEC): New.
4750 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
4751 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
4753 * genconfig.c (have_cond_arith_flag): Remove.
4754 (have_cond_exec_flag): New.
4755 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
4756 (main): Print HAVE_conditional_execution.
4758 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
4759 (sched_analyze_insn, print_pattern): Likewise.
4760 * reload.c (find_equiv_reg): Likewise.
4761 * rtlanal.c (reg_referenced_p): Likewise.
4762 (note_stores, dead_or_set_regno_p): Likewise.
4763 (reg_overlap_mentioned_p): Rewrite to use a switch.
4765 * ggc.h (struct rtx_def): Forward declare.
4767 * print-rtl.c (debug_rtx_range): New.
4768 * rtl.h (debug_rtx_range): Declare.
4770 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
4772 * gcse.c (gcse_main): Don't rebuild the CFG here.
4773 (delete_null_pointer_checks): Likewise.
4774 * ssa.c (convert_to_ssa): Likewise.
4775 * toplev.c (rest_of_compilation): Do it here instead. Combine
4776 sequential calls to TIMEVAR. Consistently use `insns' instead of
4777 `get_insns()'. Always split insns after reload when optimizing.
4779 * basic-block.h (merge_blocks_nomove): Declare.
4780 (tidy_fallthru_edge): Declare.
4781 * flow.c (merge_blocks_nomove): Document as merging into previous
4782 blocks. Remove cruft from between blocks; remove all edges out of A.
4783 (tidy_fallthru_edge): Export.
4785 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4787 * ssa.c (compute_conservative_reg_partition): Declare with
4789 * toplev.c (clean_dump_file): Remove previously-deleted function
4790 inadvertantly merged back in.
4791 * conflict.c (conflict_graph_add): Use a single call to
4792 htab_find_slot to look up and insert.
4794 2000-04-06 Richard Henderson <rth@cygnus.com>
4796 * genrecog.c (*): Rename _last_insn to last_insn.
4797 (make_insn_sequence): Set the position of the peephole2 C test
4798 to be at the last insn.
4800 2000-04-06 Richard Henderson <rth@cygnus.com>
4802 * flow.c (compute_flow_dominators): Free worklist.
4804 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
4806 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
4808 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4810 * rtl.h (INSN_P): New macro.
4811 (successor_phi_fn): New typedef.
4812 (for_each_successor_phi): New prototype.
4813 (in_ssa_form): New variable.
4814 (PHI_NODE_P): Likewise.
4815 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
4816 phi nodes in successors.
4817 (mark_used_regs): Add PHI case.
4818 (set_phi_alternative_reg): New function.
4819 (life_analysis): Assert that dead code elimination is not selected
4821 * toplev.c (to_ssa_time): New variable.
4822 (from_ssa_time): Likewise.
4823 (compile_file): Zero to_ssa_time and from_ssa_time.
4824 Print time to convert to and from SSA.
4825 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
4826 (print_time): Compute percent fraction as integer.
4827 * ssa.c (PHI_NODE_P): Moved to rtl.h.
4828 (convert_to_ssa): Check if we're already in SSA.
4829 Don't eliminate dead code in life_analysis.
4830 Rerun flow and life analysis at bottom.
4831 (eliminate_phi): Use canonical regnos when adding nodes.
4832 (mark_reg_in_phi): New function.
4833 (mark_phi_and_copy_regs): Likewise.
4834 (convert_from_ssa): Rerun life analysis at top.
4835 Use coalesced partition.
4836 Check for removing a phi node at the end of the block.
4837 (compute_coalesced_reg_partition): New function.
4838 (coalesce_regs_in_copies): Likewise.
4839 (coalesce_reg_in_phi): Likewise.
4840 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
4841 (for_each_successor_phi): Likewise.
4842 (rename_context): New struct.
4843 (rename_block): Use a rename_context with rename_insn_1. When
4844 renaming sets of a subreg, emit a copy of the entire reg first.
4845 (rename_insn_1): Treat data as a rename_context *. Save current
4847 (rename_set_data): Add field set_insn.
4848 * Makefile.in (HASHTAB_H): Move up in file.
4849 (OBSTACK_H): New macro.
4850 (collect2.o): Use OBSTACK_H in dependencies.
4851 (sdbout.o): Likewise.
4852 (emit-rtl.o): Likewise.
4853 (simplify-rtx.o): Likewise.
4854 (fix-header.o): Likewise.
4855 (OBJS): Add conflict.o.
4856 (conflict.o): New rule.
4857 * basic-block.h: Include partition.h.
4858 (conflict_graph): New typedef.
4859 (conflict_graph_enum_fn): Likewise.
4860 (conflict_graph_new): New prototype.
4861 (conflict_graph_delete): Likewise.
4862 (conflict_graph_add): Likewise.
4863 (conflict_graph_conflict_p): Likewise.
4864 (conflict_graph_enum): Likewise.
4865 (conflict_graph_merge_regs): Likewise.
4866 (conflict_graph_print): Likewise.
4867 (conflict_graph_compute): Likewise.
4868 * conflict.c: New file.
4870 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
4872 * tlink.c (read_repo_files): Don't look for .rpo info for
4875 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4877 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
4879 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4881 * config/sh/lib1funcs.asm (___udivsi3_i4):
4882 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
4883 only depends on FMOVD_WORKS.
4885 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4887 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
4888 make double constant 8-byte aligned.
4890 2000-04-06 Jakub Jelinek <jakub@redhat.com>
4892 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
4893 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
4894 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
4895 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
4896 Accept storing GENERAL_REGS into offsetable memory.
4897 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
4898 building a TFmode constant other than 0.0L into GENERAL_REGS.
4900 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
4902 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
4904 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
4906 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
4907 (macro_cleanup): No need to cast pbuf->macro.
4908 (collect_expansion): Use _cpp_get_define_token. Goto done if
4909 it returns VSPACE. Remove check for trailing space after
4911 (_cpp_create_definition): Don't diddle flags here. Return
4913 (unsafe_chars): Handle c1 being EOF.
4914 (push_macro_expansion): Use unsafe_chars for both accidental-paste
4915 checks. Don't push the buffer till after we're done with
4917 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
4918 (PEEKN, FORWARD, GETC, PEEKC): Use them.
4919 (cpp_push_buffer): Don't set new->alimit. Set new->mark
4921 (_cpp_parse_assertion): Don't NUL terminate.
4922 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
4923 hspace before calling _cpp_parse_assertion. Remove all sets
4924 of only_seen_white. Treat '\f' as hspace. Don't do anything
4925 special with '\n' here.
4926 (maybe_macroexpand): Handle T_EMPTY hash entries without
4927 pushing a buffer at all.
4928 (cpp_get_token): Handle clearing only_seen_white here. Handle
4929 incrementing the line number here. Clear
4930 potential_control_macro as well as only_seen_white, if
4932 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
4933 (_cpp_get_define_token): New function, basically like
4934 _cpp_get_directive_token was but doesn't eat horizontal space.
4935 Don't do anything with only_seen_white here.
4936 (_cpp_get_directive_token): Just call _cpp_get_define_token
4937 repeatedly till it returns non-hspace.
4939 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
4940 (conditional_skip, skip_if_group): Return int.
4941 (DIRECTIVE_TABLE): Change origin of all conditional directives
4943 (TRAD_DIRECT_P): New macro.
4944 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
4945 an error for a bogus directive, unless -lang-asm. Use
4946 TRAD_DIRECT_P. Loop calling handler functions till one returns
4948 (get_macro_name): Don't diddle flags here.
4949 (do_define): Diddle flags here. Use _cpp_get_directive_token.
4950 Create T_EMPTY nodes for #define macro /* nothing */.
4951 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
4952 Use hp->name when calling pass_thru_directive.
4953 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
4954 Return the result of conditional_skip and/or skip_if_group.
4955 Don't call _cpp_output_line_command.
4956 (consider_directive_while_skipping): Use _cpp_get_directive_token.
4957 Issue -Wtraditional warnings as appropriate. Don't complain
4958 about unrecognized directives. If we are to stop skipping,
4959 return the number of the directive that ended the skip.
4960 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
4961 expansion and line commands while skipping. Return the result
4962 of consider_directive_while_skipping, if nonzero.
4963 (do_endif): Just set potential_control_macro here.
4964 (validate_else): Use _cpp_get_directive_token.
4965 (do_assert, do_unassert): Don't save pointers into the
4966 token_buffer across calls to the lexer. Use
4967 _cpp_get_directive_token.
4969 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
4970 pointer, not an offset. Replace 'data', which was a generic
4971 pointer, with 'macro', which points to a struct hashnode.
4972 (cpp_reader): Add 'potential_control_macro' pointer.
4973 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
4974 (CPP_BUF_GET, CPP_FORWARD): Delete.
4975 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
4976 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
4977 ACTIVE_MARK_P): Update.
4978 (_cpp_get_define_token): New internal function.
4979 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
4981 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
4983 * configure.in: And here.
4984 * configure: Regenerate.
4985 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
4986 --enable-libstdcxx-v3 is passed at configure time.
4987 * config.h.in: Regenerate.
4989 2000-04-05 Mark Mitchell <mark@codesourcery.com>
4991 * final.c (final): Use xcalloc to allocate line_note_exists.
4992 * function.c (free_after_compilation): Free the temp_slots.
4993 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
4994 (combine_temp_slot): Free temp_slots when they get combined.
4995 (purge_addressof): Fix typo in comment.
4996 * stmt.c (mark_goto_fixup): Mark the fixup itself.
4997 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
4999 * ggc.h: Include varray.h.
5000 (ggc_pending_trees): Declare.
5001 (ggc_mark_tree_children): Remove declaration.
5002 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
5003 * ggc-common.c (ggc_pending_trees): New variable.
5004 (ggc_mark_roots): Call ggc_mark_trees.
5005 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
5006 the ggc_pending_trees.
5007 * Makefile.in (GGC_H): New variable. Use it throughout in place
5010 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5012 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
5015 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5017 * sh.c (sh_insn_length_adjustment): New function.
5018 * sh-protos.h (sh_insn_length_adjustment): Declare.
5019 * sh.h (ADJUST_INSN_LENGTH): Use it.
5021 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
5023 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
5024 from the insn where REG_RETVAL is added.
5025 (emit_no_conflict_block): Ditto.
5027 * md.texi (Standard Names): Clarify when movX is needed.
5029 * combine.c (simplify_comparison) [MINUS]: Do not replace
5030 all (op (minus A B) 0) with (op A B).
5032 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
5033 J"orn Rennecke <amylaar@cygnus.co.uk>
5035 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
5036 (block_lump_real): Likewise.
5038 2000-04-05 Chris Demetriou <cgd@netbsd.org>
5040 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
5041 remaining non-zero debugging masks.
5043 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
5045 * basic-block.h (verify_flow_info): Declare.
5046 (flow_loop_outside_edge_p): Declare.
5047 * flow.c (verify_flow_info): Remove declaration.
5048 (clear_log_links, flow_loop_outside_edge_p): Likewise.
5050 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
5052 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
5055 2000-04-05 Jakub Jelinek <jakub@redhat.com>
5057 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
5058 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
5059 seqdi_zero_trunc+1): Allow splits only if registers are
5062 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
5064 * acconfig.h: Add HAVE_GAS_HIDDEN.
5065 * config.in: Regenerated.
5066 * configure.in: Add test for .hidden pseudo-op in gas.
5067 * configure: Regenerated.
5068 * crtstuff.c: Include auto-host.h.
5069 Emit additional .hidden pseudo-op for __dso_handle if the
5070 assembler knows about it.
5072 2000-04-04 Philippe De Muyter <phdm@macqel.be>
5074 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
5075 before freeing argnames.
5076 * cpplib.c (do_ifndef): Cast return value of xstrdup.
5078 2000-04-05 Michael Meissner <meissner@redhat.com>
5080 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
5081 Walton <jonboy@gordian.com> to make memory references with update
5082 work wtih -mregnames.
5084 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5086 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
5087 (regrename_optimize): Rename variables `def_uses' and
5088 `ext_basic_blocks' to avoid conflicts with similarly named
5089 typedefs in traditional C.
5091 * calls.c (initialize_argument_information): Fix typo in previous
5094 2000-04-04 Richard Henderson <rth@cygnus.com>
5096 * regrename.c (consider_available): Test fixed_regs not
5097 PIC_OFFSET_TABLE_REGNUM.
5099 2000-04-04 Geoff Keating <geoffk@cygnus.com>
5101 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
5103 (CRTSTUFF_T_CFLAGS_S): Delete definition.
5104 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
5105 (ENDFILE_LINUX_SPEC): Always use crtend.
5106 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
5107 (powerpc-*-linux-gnu): Likewise.
5108 * configure: Regenerate.
5110 * config/rs6000/eabi.h: Don't include sysv4.h.
5111 (MULTILIB_DEFAULTS): Don't define.
5112 * config/rs6000/eabiaix.h: Don't include eabi.h.
5113 * config/rs6000/eabile.h: Delete.
5114 * config/rs6000/eabilesim.h: Delete.
5115 * config/rs6000/eabisim.h: Don't include eabi.h.
5116 * config/rs6000/linux.h: Don't include sysv4.h.
5117 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
5118 (MULTILIB_DEFAULTS): Don't redefine.
5119 * config/rs6000/rtems.h: Don't include eabi.h.
5120 * config/rs6000/sol2.h: Don't include sysv4le.h.
5121 * config/rs6000/sysv4le.h: Don't include sysv4.h.
5122 * config/rs6000/t-ppc: Delete.
5123 * config/rs6000/t-ppcgas: Correct comment.
5124 * config/rs6000/t-ppcos: Correct comment. Don't build
5125 multilibs for -fPIC, rather use -fPIC -mstrict-align
5127 * config/rs6000/t-ppc: Delete.
5128 * config/rs6000/vxppc.h: Don't include sysv4.h.
5129 * config/rs6000/vxppcle.h: Delete.
5130 * configure.in: Use multiple header files for p2pc ELF targets
5131 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
5132 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
5133 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
5134 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
5135 always available for these platforms.
5137 2000-04-04 Richard Henderson <rth@cygnus.com>
5139 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
5141 2000-04-04 Stan Cox <scox@cygnus.com>
5143 * Makefile.in: Add rules for regrename.o
5144 * regrename.c: New file.
5145 * rtl.h (regrename_optimize): Add prototype.
5146 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
5147 (compile_file, decode_d_option): Add support for -frename-registers.
5148 (rest_of_compilation): Call regrename_optimize.
5149 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
5152 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5154 * Makefile (gccbug): New target.
5155 (doc): Depend on it.
5156 * gcc.texi (Bugs): Link subnodes.
5158 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
5159 Document severities, priorities, and classes in bug form.
5161 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
5163 * cpplex.c (trigraph_map, speccase): Combine into single
5165 (NORMAL, NONTRI): New macros.
5166 (_cpp_read_and_prescan): Change to use unified table. Use
5167 is_hspace to test for whitespace.
5169 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
5170 definition that doesn't provoke the "empty body in an
5171 if-statement" warning.
5173 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
5175 * builtins.c (expand_builtin_strlen): Force the source to
5176 be a memory address.
5178 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5180 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
5182 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5184 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
5185 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
5186 (ECF_IS_CONST): Rename to ECF_CONST.
5187 (special_function_p): Make static, change interface.
5188 (flags_from_decl_or_type, try_to_integrate): Break out from ...
5189 (expand_call) ... here; convert number of variables to flags.
5190 (emit_library_call_vlue_1): Likewise.
5191 (setjmp_call_p): New function.
5192 (initialize_argument_information): Accepts flags as argument;
5194 (precompute_arguments): Likewise.
5195 * tree.h (special_function_p): Remove.
5196 (setjmp_call_p): Add prototype.
5198 2000-04-04 Jakub Jelinek <jakub@redhat.com>
5200 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
5201 so that addresses are offsetable by up to 16 bytes.
5202 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
5203 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
5206 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
5207 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
5208 (movsf): Don't force any constant to memory if target is integer
5210 Move fp_zero_operand check below the const0_rtx check.
5211 (movtf): Likewise. Also allow fp_zero_operand for stores into
5213 (movdf): Likewise. Also allow fp_zero_operand for stores into
5214 memory and into integer hard registers.
5215 (clear_df, clear_dfp, movdf_const_intreg_sp32,
5216 movdf_const_intreg_sp64): Remove.
5217 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
5219 (movdf_no_e_insn_v9_sp32): New pattern.
5220 (movdf_insn_v9only): Remove.
5221 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
5222 (movdf_insn_sp64): Remove.
5223 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
5224 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
5225 (following splits): Rewrite conditions. Add two new splits
5226 for storing 0.0 into memory and registers.
5227 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
5228 (movtf_insn_sp32): Redo constraints and conditions.
5229 (movtf_insn_vis_sp32): New pattern.
5230 (movtf_no_e_insn_sp32): Redo constraints and conditions.
5231 (movtf_insn_hq_sp64): Likewise.
5232 (movtf_insn_hq_vis_sp64): New pattern.
5233 (movtf_insn_sp64): Redo constraints and conditions.
5234 (movtf_insn_vis_sp64): New pattern.
5235 (movtf_no_e_insn_sp64): Redo constraints and conditions.
5236 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
5238 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
5239 -mvis or -m64 to take down the number of various reload patterns.
5241 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
5243 * pa/pa-64.h: New file.
5244 * pa/pa64-regs.h: New file.
5245 * pa/pa64-start.h: New file.
5246 * pa/t-pa64: New file.
5247 * pa/xm-pa64hpux.h: New file.
5249 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5251 * sparc.c (output_restore_regs): Prototype.
5252 (sparc_emit_float_lib_cmp): Constification.
5254 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
5256 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
5259 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
5260 (get_value_hash, hash_rtx): Likewise.
5262 * ssa.c (compute_conservative_reg_partition): Prototype.
5264 * tree.c (mark_hash_entry): Prototype.
5266 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
5268 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
5269 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
5270 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
5272 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
5273 * objc/lang-specs.h: Likewise.
5275 2000-04-03 Neil Booth <NeilB@earthling.net>
5277 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
5278 and SYNTAX_ERROR2. Replace `' in messages with ''.
5279 (op_to_str): Make re-entrant.
5280 (_cpp_parse_expr): Implement new error macros. Use | rather
5281 than || to logically or 2 boolean integers. Simply expression
5282 checking we have a left operand iff needed.
5284 2000-04-03 Nick Clifton <nickc@cygnus.com>
5286 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
5288 2000-04-03 Philip Blundell <philb@gnu.org>
5290 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
5292 2000-04-03 Felix Lee <flee@cygnus.com>
5294 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
5295 (run_shell): Use it.
5297 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
5299 * Makefile.in (stmp-int-hdrs): Make include subdir here...
5300 (stmp-fixproto): ...rather than here.
5302 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
5304 * pa.c (print_operand): Compute 'base' only inside the code paths
5307 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
5309 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
5312 2000-04-03 Philipp Thomas <pthomas@suse.de>
5314 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
5316 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
5318 * Makefile.in (alias.o): Depend on $(TREE_H).
5320 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
5322 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
5324 * cpplib.c (_cpp_handle_directive): Improve warnings for
5325 traditional C and indented directives.
5327 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
5328 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
5329 fixinc/inclhack.def: Indent the # of #include_next one space.
5330 * cp/rtti.c: Un-indent #if and #endif.
5332 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
5333 syntax error, but an error has already been printed.
5334 * cpplex.c (_cpp_parse_assertion): Give a more specific error
5335 message when called with nothing remaining on the line.
5336 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
5337 OTHER token, not an ASSERTION.
5338 * cpplib.c (do_assert): When we create a 'base' node, clear
5339 its aschain pointer.
5341 2000-04-02 Neil Booth <NeilB@earthling.net>
5343 * cppexp.c: New typedef op_t. struct operation and struct
5344 token updated to use it.
5345 (op_to_str): New function.
5346 (_cpp_parse_expr): Error messages modified to use op_to_str.
5348 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5350 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
5351 before checking MUST_PASS_IN_STACK.
5353 2000-04-02 Neil Booth <NeilB@earthling.net>
5355 * cppexp.c: New FINISHED dummy token. Combine operator initial
5356 flags and initial priority into a single constant. New
5357 EQUALITY macro. New operator flag SHORT_CIRCUIT.
5358 (_parse_cpp_expr): Implement new constants. Take left operand
5359 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
5360 parse indicated by reducing FINISHED token. Remove new lines
5361 from cpp_error messages.
5363 2000-04-01 Mark Mitchell <mark@codesourcery.com>
5365 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
5368 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
5370 * cpplib.c: Include symcat.h. Add 'origin' field to struct
5371 directive. Add origin values to DIRECTIVE_TABLE. Generate
5372 the strings and function names on the fly. Take the #sccs
5373 entry out of the table if SCCS_DIRECTIVE is not defined.
5374 (_cpp_handle_directive): Decide if the # was at the beginning
5375 of the line here. Issue -pedantic warnings for extended
5376 directives here. Warn about K+R directives with the #
5377 indented, and C89/extended directives with the # not indented,
5379 (do_import, do_include_next, do_warning, do_ident, do_sccs,
5380 do_assert, do_unassert): Don't issue pedantic warning here.
5382 * cpphash.h: Add CPP_WTRADITIONAL macro.
5383 * cpplib.h (struct cpp_options): Rename warn_stringify to
5384 warn_traditional; update comments.
5385 * cppinit.c (handle_option): Set warn_traditional not
5387 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
5388 CPP_WTRADITIONAL (pfile).
5389 * cpplex.c (_cpp_lex_token): Don't decide if directives should
5390 be ignored in -traditional mode here.
5392 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
5393 to initialize speccase[] and trigraph_map[]. Delete all
5394 references to pfile->input_speccase. Always treat '?' as a
5395 special character. Remove table-initialization code from
5396 _cpp_init_input_buffer.
5398 * cpplib.h (struct cpp_reader): Remove input_speccase field.
5399 * cppinit.c (cpp_cleanup): Don't free input_speccase.
5401 2000-04-01 Richard Henderson <rth@cygnus.com>
5403 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
5404 (mostlyclean): Likewise.
5406 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
5407 (struct dump_file_info, enum dump_file_index, dump_file): New.
5408 (open_dump_file): Take a dump_file_index not a suffix, and a decl
5409 not a string. Clean out file if we havn't yet done so. Do nothing
5410 if the dump isn't enabled.
5411 (close_dump_file): Do nothing if the dump isn't open. Dump
5412 graph data if requested.
5413 (dump_rtl, clean_dump_file): Remove.
5414 (compile_file): Don't clean the dump files. Only finalize .bp dump
5415 if flag_test_coverage or flag_branch_probabilities. Only finalize
5416 .combine dump if optimizing. Iterate over dump_file to finalize the
5418 (rest_of_compilation): Update for open_dump_file/close_dump_file.
5419 Convert all uses of dump_rtl.
5420 (decode_d_option): Iterate over dump_file to implement 'a' and to
5421 locate pass-specific dumps.
5423 2000-04-01 Neil Booth <NeilB@earthling.net>
5425 * cppexp.c: Redefine priority constants.
5426 (_cpp_parse_expr): Replace left and right priority scheme with
5427 single priority logic. Move LOGICAL to same place as COMPARE.
5428 Remove bogus check for multiple unary +/- operators.
5430 2000-04-01 Neil Booth <NeilB@earthling.net>
5432 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
5433 within the switch statement. Binary operations break out of
5434 the switch naturally. '(' tokens handled by forcing
5435 immediate shift. ')' handled by forcing immediate reduce to
5436 the previous '('. New error messages.
5438 2000-03-31 Geoff Keating <geoffk@cygnus.com>
5440 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
5441 part', it's already in use. Use %K instead. Add a return at the
5442 end of what is now %K.
5443 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
5445 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5447 * builtins.c (expand_builtin_apply): Pass proper parameters to
5448 allocate_dynamic_stack_space.
5449 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
5450 update stack_pointer_delta; do not update arg_size_so_far.
5451 (compute_argument_block_size): Use stack_delta instead of
5452 stack_pointer_pending and arg_size_so_far.
5453 (expand_call): Add sanity checking for stack_pointer_delta;
5454 save and restore stack_pointer_delta for SIB, use
5455 stack_pointer_delta for alignment; do not update arg_space_so_far.
5456 (emit_library_call_value): Use stack_pointer_delta for alignment.
5457 (store_one_arg): Do not update arg_space_so_far.
5458 * explow.c (adjust_stack, anti_adjust_stack): Update
5459 stack_pointer_delta.
5460 (allocate_dynamic_stack_space): Add sanity checking for
5461 stack_pointer_delta.
5462 * expr.c (init_expr, clear_pending_stack_adjust): Clear
5463 stack_pointer_delta.
5464 (emit_push_insn): Update stack_pointer_delta.
5465 * function.h (struct expr_status): Add x_stack_pointer_delta;
5466 remove x_arg_space_so_far.
5467 (arg_space_so_far): Remove.
5468 (stack_pointer_delta): New macro.
5470 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
5472 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
5473 Reorder struct cpp_options and struct cpp_reader for better
5474 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
5475 takes two args. Change all 'char' flags to 'unsigned char'.
5476 Move show_column flag into struct cpp_options. Don't
5477 prototype cpp_options_init.
5478 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
5479 cppinit.c, cpplex.c, cpplib.c:
5480 Replace CPP_OPTIONS (pfile)->whatever with
5481 CPP_OPTION (pfile, whatever), and likewise for
5482 opts = CPP_OPTIONS (pfile); ... opts->whatever;
5484 * cppinit.c (merge_include_chains): Take a cpp_reader *.
5485 Extract CPP_OPTION (pfile, pending) and work with that
5487 (cpp_options_init): Delete.
5488 (cpp_reader_init): Turn on on-by-default options here.
5489 Allocate the pending structure here.
5490 (cl_options, enum opt_code): Define these from the same table,
5491 kept in a large macro. Add -fshow-column and -fno-show-column
5494 * cpperror.c (v_message): If show_column is off, don't print
5497 * cppmain.c: Update for new interface.
5498 * fix-header.c: Likewise.
5500 2000-03-30 Geoff Keating <geoffk@cygnus.com>
5502 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
5504 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
5505 are passed to any invocation of AR_FOR_TARGET.
5506 (AR_CREATE_FOR_TARGET): New macro.
5507 (AR_EXTRACT_FOR_TARGET): New macro.
5508 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
5509 AR_EXTRACT_FOR_TARGET.
5510 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
5511 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
5512 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
5513 AR_EXTRACT_FOR_TARGET to sub-makes.
5515 2000-03-31 Neil Booth <NeilB@earthling.net>
5517 * cppexp.c: Delete SKIP_OPERAND. Correct priority
5519 (_cpp_parse_expr): Check for multiple unary +/- operators.
5520 Correct priorities of ':' and '?'. Treat ')' as having a
5521 value. Ensure conditional expression is not void.
5523 2000-03-31 Mark Mitchell <mark@codesourcery.com>
5525 * alias.c (canon_rtx): Make it global.
5526 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
5528 * cse.c (struct table_elt): Add canon_exp.
5530 (invalidate): Canonicalize expressions only once.
5531 * rtl.h (canon_rtx): Declare.
5533 2000-03-30 Mark Mitchell <mark@codesourcery.com>
5535 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
5536 * alias.c (reg_known_value): Add comments.
5537 (init_alias_analysis): Likewise.
5538 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
5540 (cse_basic_block): Fix typo in comment.
5541 * emit-rtl.c: Include hashtab.h.
5542 (const_int_htab): New variable.
5543 (const_int_htab_hash): New function.
5544 (const_int_htab_eq): Likewise.
5545 (rtx_htab_mark_1): Likewise.
5546 (rtx_htab_mark): Likewise.
5547 (gen_rtx_CONST_INT): Cache all CONST_INTs.
5548 (unshare_all_rtx): Fix formatting.
5549 (init_emit_once): Initialize const_int_htab.
5550 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
5552 * rtl.texi: Document the fact that all CONST_INTs with the same
5555 2000-03-30 Richard Henderson <rth@cygnus.com>
5557 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
5559 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
5561 * configure.in: Comment out --enable-c-cpplib stanza.
5562 * configure: Regenerate.
5564 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5566 * expr.c (store_constructor): Properly compute displacement and
5567 alignment when offset is variable.
5569 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
5570 cases of alignment in bytes.
5572 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
5574 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
5575 since it is used to generate c-parse.y.
5576 * objc-parse.c, objc-parse.y: Regenerated.
5578 * function.c (expand_function_end): Pass alignment argument to
5579 emit_block_move in bits, not bytes.
5581 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5583 * expr.c (move_by_pieces_ninsns): Fix one more missing align
5586 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
5588 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
5589 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
5590 * function.c (assign_parms): Likewise.
5591 * integrate.c (expand_inline_function): Likewise.
5592 * stmt.c (expand_decl): Likewise.
5593 (copy_rtx_and_substitute): Likewise.
5594 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
5595 (clear_by_pieces): Fix error in last change.
5596 * emit-rtl.c (init_emit): Set known registers alignment in bits.
5597 * function.h (regno_pointer_align): Now unsigned.
5598 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
5600 * config/i386/i386.c (aligned_operand): Likewise.
5601 * config/sparc/sparc.c (mem_min_alignment): Likewise.
5602 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
5603 (unaligned_memory_operand): Likewise.
5604 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5605 Also make alignments and sizes unsigned and some whitespace cleanup.
5606 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
5608 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
5609 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
5610 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
5611 (expand_builtin_memset): Likewise, but to clear_storage.
5612 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
5613 (restore_fixed_argument_area): Likewise.
5614 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
5615 (load_register_parameters): Likewise, to emit_group_load.
5616 (expand_call): Likewise, to emit_group_store and emit_block_move.
5617 (emit_library_call_value_1): Likewise, to emit_block_move.
5618 (store_one_arg): Likewise, and to emit_push_insn.
5619 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
5620 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
5621 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
5622 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5623 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
5624 (expand_assigment, store_expr, store_constructor_field): Likewise.
5625 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
5626 (store_constructor, store_field, get_inner_reference): Likewise.
5627 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
5628 (expand_expr, case COMPONENT_REF): Likewise.
5629 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
5630 and positions; reindent code.
5631 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
5632 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
5633 (assign_parms): Likewise to emit_group_store.
5634 * optabs.c (prepare_cmp_insn): Alignment is in bits.
5635 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
5636 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
5637 (expand_return): Likewise to {extract,store}_bit_field.
5638 * stor-layout.c (get_mode_alignment): Minor cleanup.
5639 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
5640 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
5642 2000-03-29 Nick Clifton <nickc@cygnus.com>
5644 * config/arm/arm.h: Undo effects of previous delta:
5645 (ASM_SPEC): Do not define.
5646 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
5648 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
5651 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5653 * cppinit.c (cpp_start_read): Call initialize_dependency_output
5654 only after reading in the primary source file.
5656 2000-03-29 Geoff Keating <geoffk@cygnus.com>
5658 * c-common.c (c_common_nodes_and_builtins): The first parameter to
5659 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
5660 or a reference to a va_list.
5661 * builtins.c (stabilize_va_list): Simplify now we don't have to
5662 work around C array address decay.
5663 * c-typeck.c (convert_for_assignment): Handle assignment to
5664 a reference parameter by taking the address of the RHS.
5665 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
5666 (va_copy): Likewise.
5667 (__va_copy): Likewise.
5668 * ginclude/varargs.h (va_start): Likewise.
5669 (__va_copy): Likewise.
5671 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
5673 * i386/djgpp.h: Remove extraneous "+".
5675 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
5677 * calls.c (expand_call): Fix typo in last change.
5679 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
5681 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
5684 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5686 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
5687 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
5688 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
5689 * tree.c (bit_position, byte_position): Likewise.
5690 * tree.h: Declare new functions.
5692 2000-03-29 Nick Clifton <nickc@cygnus.com>
5694 * config/arm/arm.c: Minor formatting changes/
5695 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5697 (ASM_SPEC): Define if not already defined.
5699 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5701 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
5704 2000-03-29 Jakub Jelinek <jakub@redhat.com>
5706 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
5707 value, don't output it as unsigned.
5709 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
5711 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
5713 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5715 * c-common.c (c_common_nodes_and_builtins): Don't special case
5716 cplus_mode when declaring builtin bzero/bcmp, always avoid
5717 prototype arguments.
5719 2000-03-29 Bruce Korb <bkorb@gnu.org>
5721 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
5724 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5726 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
5727 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
5728 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
5729 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
5730 (save_fixed_argument_area, restore_fixed_argument_area):
5731 conditionize by #ifdef REG_PARM_STACK_SPACE only.
5732 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
5733 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
5734 (precompute_register_parameters): Avoid #ifdefs on
5735 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
5736 (stire_one_args): Likewise.
5737 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
5738 (emit_library_call_value_1): Likewise.
5739 (compute_argument_block_size): Align to STACK_BOUNDARY only for
5740 ACCUMULATE_OUTGOING_ARGS.
5741 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
5743 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
5744 (use_crosses_set_p): Likewise.
5745 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
5746 #define ACCUMULATE_OUTGOING_ARGS 1.
5747 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
5749 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
5751 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
5752 (TARGET_SWITCHES): Add push-args, no-push-args,
5753 accumulate-outgoing-args and no-accumulate-outgoing-args.
5754 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
5755 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
5756 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
5758 (emit_push_insn): Likewise.
5759 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5760 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
5761 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5762 (STACK_DYNAMIC_OFFSET): Define correctly for both
5763 ACCUMULATE_OUTGOING_ARGS and normal mode.
5764 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
5765 * tm.texi (PUSH_ARGS): Document.
5766 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
5768 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
5770 * flags.h (flag_optimize_sibling_calls): Declare.
5771 * calls.c (expand_call): Fail sibcall when
5772 !flag_optimize_sibling_calls
5773 * invoke.texi (flag_optimize_sibling_calls): Document.
5774 * toplev.c (flag_optimize_sibling_calls): New global variable.
5775 (f_options): Add flag_optimize_sibling_calls.
5776 (rest_of_compilation): Conditionize
5777 optimize_sibling_and_tail_recursive_calls by
5778 flag_optimize_sibling_calls.
5779 (main): Set flag_optimize_sibling_calls for -O2.
5780 * stmt.c (expand_return): Conditionize tail recursion by
5781 flag_optimize_sibling_calls.
5783 2000-03-29 Richard Henderson <rth@cygnus.com>
5785 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
5786 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
5788 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
5790 * except.c (add_eh_table_entry): Mark type_info's as referenced.
5792 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5794 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
5796 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
5797 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
5798 * config/rs6000/aix.h: then modified likewise.
5800 2000-03-28 Richard Henderson <rth@cygnus.com>
5802 * rtl.h: Redistribute enum reg_note documentation.
5803 Kill trailing whitespace.
5804 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
5805 Kill trailing whitespace.
5807 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
5809 * cppfiles.c (hash_IHASH): Just return i->hash.
5810 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
5811 htab_find_with_hash.
5812 (cpp_read_file): Likewise.
5813 (find_include_file): Likewise. Properly initialize
5814 ih->nshort. Share ih->name and ih->nshort if possible.
5815 * cpphash.c (_cpp_calc_hash): New function.
5816 (hash_HASHNODE): Just return h->hash.
5817 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
5818 htab_find_with_hash.
5819 * cpphash.h: Prototype _cpp_calc_hash.
5820 * cppinit.c (initialize_builtins): Provide a valid hash
5821 to _cpp_make_hashnode, using _cpp_calc_hash.
5823 * cpphash.c (collect_expansion): # is not a special character
5824 in object-like macros. In -traditional mode, /**/ is not
5825 token paste at the beginning or end of the line.
5826 * cpplib.c (do_include, do_import, do_include_next): If
5827 parse_include fails, return immediately.
5829 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
5831 * config/arm/arm.md (return peepholes): Update to reflect the new
5833 * config/arm/arm.c (arm_volatile_func): Also check
5834 current_function_nothrow.
5835 (output_return_instruction, output_func_prologue): Use it.
5836 (arm_output_epilogue, arm_expand_prologue): Likewise.
5838 2000-03-27 Tom Tromey <tromey@cygnus.com>
5840 * gcc.c (handle_braces): In {x*...} case, break out of loop if
5843 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5845 * expr.c (store_constructor): SIZE now signed.
5846 For EXPR_SIZE, don't evaluate size; just needed if constant.
5847 * fold-const.c (fold): Fix a number of cases when folded tree is
5849 * function.c (flush_addressof): Reenable.
5850 * tree.h (flush_addressof): Likewise.
5851 * toplev.c (independent_decode_option): Look at strings_processed.
5852 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
5854 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
5856 * sibcall.c (indentify_call_return_value): Find last call in the chain;
5857 Allow stack adjustment after function call.
5859 * regmove.c (struct csa_memlist): Make mem field rtx *.
5860 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
5861 (try_apply_stack_adjustment): Replace whole MEM rtx.
5862 (combine_stack_adjustments_for_block): Update calls
5863 to record_one_stack_ref.
5865 2000-03-28 Neil Booth <NeilB@earthling.net>
5867 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
5868 '\\' rather than a null character, so nulls are not special. Fix
5869 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
5870 speed trigraph conversion.
5871 (_cpp_init_input_buffer): Initialize trigraph map.
5873 2000-03-27 Alan Modra <alan@linuxcare.com.au>
5875 * config/i386/i386.c (output_387_binary_op): Correct intel
5876 mode assembly output, and add spaces after commas in AT&T
5877 output. Correct Unixware assembler comment. Document input
5878 constraints. Comment fp operations. Reduce profligate buffer
5879 size. Remove extraneous abort. Localize temp var.
5880 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
5881 (output_fix_trunc): Add spaces after commas in assembly output.
5883 2000-03-27 Richard Henderson <rth@cygnus.com>
5885 * i386-protos.h (ix86_match_ccmode): Declare.
5886 * i386.c (ix86_match_ccmode): New.
5887 (ix86_expand_fp_compare): Update for pattern renames.
5888 (ix86_expand_strlensi_unroll_1): Likewise.
5889 * i386.h (EXTRA_CC_MODES): Add CCZ.
5890 (SELECT_CC_MODE): Use it for EQ/NE zero.
5891 * i386.md (cmpsi_ccz_1): New.
5893 (*testsi_ccz_1): New.
5894 (testqi_ccz_1): New.
5895 (cmpsi_ccno_1): Rename from cmpsi_0.
5896 (testsi_ccno_1): Rename from testsi_1.
5897 (testqi_ccno_1): Rename from testqi_1.
5898 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
5899 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
5900 (*cmphi_0): Use ix86_match_ccmode.
5901 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
5902 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
5903 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
5904 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
5905 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
5906 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
5907 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
5908 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
5909 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
5910 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
5911 (appropriate peepholes): Likewise.
5912 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
5913 (*subsi_3, *subhi_3, *subqi_3): Remove.
5914 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
5915 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
5916 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
5917 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
5918 (x86_shift_adj_1): Use CCZ.
5919 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
5921 2000-03-27 Stan Cox <scox@cygnus.com>
5923 * resource.h (mark_resource_type): New.
5924 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
5925 find_free_register): Use mark_resource_type.
5926 (mark_set_resources): Change include_delayed_effects
5927 to mark_resource_type.
5928 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
5929 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
5930 Use mark_resource_type.
5932 2000-03-27 Richard Henderson <rth@cygnus.com>
5934 * i386.md (call_pop_0, call_value_pop_0): New.
5935 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
5936 (call_value_pop_1): Likewise.
5937 (call_0, call_value_0): New.
5938 (call_1, call_value_1): Remove constraint from unused arg.
5940 2000-03-27 Nick Clifton <nickc@cygnus.com>
5942 * invoke.texi (Spec Files): Document new spec % command created by
5943 Tom Tromey's recent patch.
5945 2000-03-27 Jakub Jelinek <jakub@redhat.com>
5947 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
5950 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5952 * expr.c (expand_assignment): Fix typo in last change.
5954 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
5956 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5958 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
5959 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
5960 and DECL_INLINE if FUNCTION_DECL.
5961 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
5962 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
5963 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
5964 (combine_parm_decls): Likewise.
5965 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
5966 * print-tree.c (print_node): Likewise.
5967 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
5968 DECL_TRANSPARENT_UNION on proper decl types.
5969 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
5970 * stor-layout.c (layout_decl): Only check DECL_PACKED and
5971 DECL_BIT_FIELD of FIELD_DECL.
5972 * tree.h (DECL_RESULT_FLD): New macro.
5974 * expr.c (expand_assignment): Add code to handle variable-sized
5977 2000-03-26 Richard Henderson <rth@cygnus.com>
5979 * calls.c (expand_call): Pass parms not original exp to
5980 optimize_tail_recursion. Mind return value instead of looking
5982 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
5983 call_expr. Move checks for call_expr and current_function_decl ...
5984 (expand_return): ... here.
5986 2000-03-26 Tom Tromey <tromey@cygnus.com>
5988 * gcc.c (handle_braces): Recognize `%{<S}' construct.
5989 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
5991 (process_command): Use them.
5992 (check_live_switch): Likewise.
5993 (give_switch): Skip ignored switches.
5995 2000-03-26 Jan Hubicka <jh@suse.cz>
5997 * jump.c (jump_optimize_1): Fix typo in elide optimizations
5998 for minimal jump pass test.
6000 2000-03-26 Mark Mitchell <mark@codesourcery.com>
6002 * integrate.c (function_cannot_inline_p): Do inline functions that
6005 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6007 * stor-layout.c (layout_type, set_sizetype): early_type_list is
6008 now a list of TREE_LIST entries, not types.
6009 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
6011 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
6012 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
6014 * config/mips/mips.c (function_arg): Likewise; also remove cast
6015 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
6016 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
6017 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
6018 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
6019 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
6020 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
6021 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
6022 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
6023 num_adjusts now unsigned.
6024 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
6025 * config/sparc/sparc.c (struct function_arg_record_value_parms):
6027 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
6028 as is BITPOS variable; use host_integerp and int_bit_position.
6029 (function_arg_record_value_2): Likewise.
6030 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
6031 Variable REGNO now unsigned.
6032 (function_arg_record_value): NREGS now unsigned.
6034 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6036 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
6038 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6040 * Rework fields used to describe positions of bitfields and
6041 modify sizes to be unsigned and use HOST_WIDE_INT.
6042 * alias.c (reg_known_value_size): Now unsigned.
6043 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
6044 (really_start_incremental_init): Use bitsize_zero_node.
6045 (push_init_level, pop_init_level, output_init_element): Likewise.
6046 Use bitsize_unit_node and bitsize_one_node.
6047 (output_pending_init_elements, process_init_element): Likewise.
6048 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
6049 (make_extraction): Position and length HOST_WIDE_INT and unsigned
6050 HOST_WIDE_INT, respectively.
6051 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
6052 (num_sign_bit_copies): Returns unsigned.
6053 BITWIDTH now unsigned; rework arithmetic.
6054 Remove recursive call from arg to MAX.
6055 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
6056 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
6058 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
6059 (find_split_point, expand_compound_operation, make_extraction): LEN
6060 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
6061 (make_field_assignment): Likewise.
6062 (combine_simplify_rtx): Add cast.
6063 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
6064 (force_to_mode): WIDTH now unsigned; add cast.
6065 (if_then_else_cond): SIZE now unsigned.
6066 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
6067 (extended_count): Now returns unsigned.
6068 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
6069 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
6070 (simplify_comparison): MODE_WIDTH now unsigned.
6071 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
6072 (mark_used_regs_combine): Likewise; rework arithmetic.
6073 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
6074 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
6075 (record_promoted_value): REGNO now unsigned.
6076 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
6077 (get_last_value): REGNO now unsigned.
6078 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
6079 (reg_dead_regno, reg_dead_endregno): Now unsigned.
6080 (remove_death): Arg REGNO now unsigned.
6081 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
6082 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
6084 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
6085 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
6086 (struct cse_reg_info): REGNO now unsigned.
6087 (cached_regno): Now unsigned.
6088 (REGNO_QTY_VALID_P): Add cast.
6089 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
6090 (remove_invalid_regs): Likewise.
6091 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
6092 as are variables END and I.
6093 (get_cse_reg_info, insert): Likewise.
6094 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
6095 (canon_hash): Likewise.
6096 (insert_regs, lookup_for_remove): REGNO now unsigned.
6097 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
6099 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
6100 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
6101 * emit-rtl.c (subreg_realpart_p): Add cast.
6102 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
6103 (operand_subword_force): Arg I is now unsigned.
6104 * except.c (eh_regs): Variable I is now unsigned.
6105 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
6106 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
6107 length is unsigned HOST_WIDE_INT; likewise for internal variables.
6108 (store_split_bit_field, extract_fixed_bit_field): Likewise.
6109 (extract_split_bit_field, store_bit_field, extract_bit_field):
6111 * expr.c (store_constructor_fields, store_constructor, store_field):
6112 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
6113 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
6114 (do_jump): Likewise.
6115 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
6116 MAX_SIZE is now unsigned.
6117 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
6118 (emit_group_store): Likewise.
6119 (emit_move_insn): I now unsigned.
6120 (store_constructor): Use host_integerp, tree_low_cst, and
6122 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
6123 Rework all calculations to use trees and new fields.
6124 * expr.h (promoted_input_arg): Regno now unsigned.
6125 (store_bit_field, extract_bit_field): Adjust types of pos and size.
6126 (mark_seen_cases): Arg is HOST_WIDE_INT.
6127 * flow.c (verify_wide_reg_1): REGNO now unsigned.
6128 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
6129 precisions and alignments are unsigned.
6130 (optimize_bit_field_compare, fold_truthop): Likewise.
6131 (int_const_binop): Adjust threshold for size_int_type_wide call.
6132 (fold_convert): Likewise.
6133 (size_int_type_wide): Make table larger and fix thinko that only
6134 had half of table used.
6135 (all_ones_mask_p, fold): Precisions are unsigned.
6136 * function.c (put_reg_info_stack): REGNO is unsigned.
6137 (instantiate_decl): Size is HOST_WIDE_INT.
6138 (instantiate_virtual_regs): I is unsigned.
6139 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
6140 (promoted_input_arg): REGNO is unsigned.
6141 * function.h (struct function): x_max_parm_reg is now unsigned.
6142 * gcse.c (max_gcse_regno): Now unsigned.
6143 (struct null_pointer_info): min_reg and max_reg now unsigned.
6144 (lookup_set, next_set): REGNO arg now unsigned.
6145 (compute_hash_table): REGNO and I now unsigned.
6146 (handle_avail_expr): regnum_for_replacing now unsigned.
6147 (cprop_insn): REGNO now unsigned.
6148 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
6149 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
6150 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
6151 * hard-reg-set.h (reg_class_size): Now unsigned.
6152 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
6153 * jump.c (mark_modified_reg): I now unsigned; add cast.
6154 (rtx_equal_for_thread_p): Add cast.
6155 * loop.c (max_reg_before_loop): Now unsigned.
6156 (struct_movable): REGNO now unsigned.
6157 (try_copy_prop): REGNO arg unsigned.
6158 (regs_match_p): XN and YN now unsigned.
6159 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
6160 (strength_reduce): Likewise; NREGS also unsigned.
6161 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
6162 * loop.h (struct iv_class): REGNO now unsigned.
6163 (max_reg_before_loop, first_increment_giv, last_increment_giv):
6165 * machmode.h (mode_size, mode_unit_size): Now unsigned.
6166 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
6167 * optabs.c (expand_binop): I and NWORDS now unsigned.
6168 (expand_unop): I now unsigned.
6169 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
6170 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
6171 * real.c (significand_size): Now returns unsigned.
6172 * real.h (significand_size): Likewise.
6173 * regclass.c (reg_class_size): Now unsigned.
6174 (choose_hard_reg_mode): Both operands now unsigned.
6175 (record_reg_classes): REGNO and NR now unsigned.
6176 (reg_scan): NREGS now unsigned.
6177 (reg_scan_update): old_max_regno now unsigned.
6178 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
6179 * reload.c (find_valid_class): BEST_SIZE now unsigned.
6180 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
6181 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
6182 Likewise for variable R.
6183 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
6184 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
6185 (find_equiv_reg): Add casts.
6186 (regno_clobbered_p): Arg REGNO now unsigned.
6187 * reload.h (struct reload): NREGS now unsigned.
6188 (refers_to_regno_for_reload_p): Regno args are unsigned.
6189 (regno_clobbered_p): Likewise.
6190 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
6191 (compute_use_by_pseudos): REGNO now unsigned.
6192 (find_reg): I and J now unsigned, new variable K, and change loop
6193 variables accordingly; THIS_NREGS now unsigned.
6194 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
6195 (spill_hard_reg): REGNO arg now unsigned; add casts.
6196 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
6197 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
6198 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
6199 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
6200 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
6201 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
6202 (emit_reload_insns): REGNO now unsigned.
6203 (reload_cse_move2add): Add cast.
6204 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
6206 * resource.c (mark_referenced_resources, mark_set_resources): New
6207 variable R; REGNO and LAST_REGNO now unsigned.
6208 (mark_target_live_regs): J and REGNO now unsigned.
6209 * rtl.c (mode_size, mode_unit_size): Now unsigned.
6210 * rtl.h (union rtunion_def): New field rtuint.
6211 (XCUINT): New macro.
6212 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
6213 (operand_subword, operand_subword_force): Word number is unsigned.
6214 (choose_hard_reg_mode): Operands are unsigned.
6215 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
6216 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
6217 (regno_use_in, combine_instructions, remove_death): Likewise.
6218 (reg_scan, reg_scan_update): Likewise.
6219 (extended_count): Return is unsigned.
6220 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
6221 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
6222 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
6223 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
6224 (reg_reg_last_1): FIRS and LAST now unsigned.
6225 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
6226 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
6228 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
6229 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
6230 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
6231 (replace_regs): Arg NREGS now unsigned.
6232 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
6233 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
6234 (simplify_binary_operation): Likewise.
6235 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
6236 THIS_LAST now unsigned.
6237 (cselib_record_set): Add cast.
6238 * ssa.c (ssa_max_reg_num): Now unsigned.
6239 (rename_block): REGNO now unsigned.
6240 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
6242 (all_cases_count): Just return -1 not -2.
6243 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
6244 Rework tests to use trees whenever possible.
6245 Use host_integerp and tree_low_cst.
6246 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
6247 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
6248 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
6249 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
6250 (smallest_mode_for_size): Likewise.
6251 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
6252 KNOWN_ALIGN is now an alignment, so simplify code.
6253 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
6254 (start_record_layout): Renamed from new_record_layout_info.
6255 Update to new fields.
6256 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
6258 (place_union_field): Renamed from layout_union_field.
6259 Update to use new fields in rli.
6260 (place_field): Renamed from layout_field.
6261 Major rewrite to use new fields in rli; pass alignment to layout_decl.
6262 (finalize_record_size): Rework to use new fields in rli and handle
6264 (compute_record_mode): Rework to simplify and to use new DECL fields.
6265 (finalize_type_size): Make rounding more consistent.
6266 (finish_union_layout): Deleted.
6267 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
6268 (layout_type, case RECORD_TYPE): Call new function names.
6269 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
6270 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
6271 (get_best_mode): UNIT is now unsigned; remove casts.
6272 * tree.c (bit_position): Compute from new fields.
6273 (byte_position, int_byte_position): New functions.
6274 (print_type_hash_statistics): Cast to remove warning.
6275 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
6276 (build_index_type): Likewise; make subtype of sizetype.
6277 (build_index_2_type): Pass sizetype to build_range_type.
6278 (build_common_tree_nodes): Use size_int and bitsize_int to
6279 initialize nodes; add bitsize_{zero,one,unit}_node.
6280 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
6281 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
6282 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
6283 (DECL_FIELD_BITPOS): Deleted.
6284 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
6285 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
6286 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
6287 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
6288 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
6289 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
6290 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
6291 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
6292 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
6293 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
6294 (DECL_ALIGN): Adjust to new field in union.
6295 (DECL_OFFSET_ALIGN): New field.
6296 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
6297 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
6298 (union tree_decl): Add struct for both aligns.
6299 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
6300 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
6301 (struct record_layout_info): Rework fields to have offset
6302 alignment and byte and bit position.
6303 (start_record_layout, place_field): Renamed from old names.
6304 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
6305 (byte_position, int_byte_position): Likewise.
6306 (get_inner_reference): Change types of position and length.
6307 * unroll.c (unroll_loop): New variable R; use for some loops.
6308 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
6309 (calculate_giv_inc): Arg REGNO now unsigned.
6310 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
6311 * varasm.c (assemble_variable): Clean up handling of size using
6312 host_integerp and tree_low_cst.
6313 (decode_addr_const): Use byte, not bit, position.
6314 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
6315 use tree_low_cst and int_bit_position.
6316 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
6318 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
6320 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
6321 (reorder_block_def): New members eff_head and eff_end.
6322 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
6323 (verify_insn_chain): New function.
6324 (skip_insns_between_block): Add code to skip deleted insns.
6325 Check for note before using.
6326 (chain_reorder_blocks): Replace calls to skip_insns_between_block
6327 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
6328 Check for note before using.
6329 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
6330 (fixup_reorder_chain): Restructure, clean up, defect removal.
6331 (reorder_basic_blocks): Remove last_insn and references to it.
6332 Moved insn chain verification code into a new function (see above).
6333 Delete defective code that sets last insn.
6334 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
6337 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6339 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
6341 2000-03-24 Richard Henderson <rth@cygnus.com>
6343 * tree.c (lang_safe_for_unsave): Remove.
6344 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
6345 allowing for two levels of unsafeness. Remove lang hook.
6346 * tree.h: Update declarations.
6347 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
6348 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
6349 Always fail sibcalls when there are pending cleanups.
6351 2000-03-24 Geoff Keating <geoffk@cygnus.com>
6353 * flow.c (propagate_block): When we delete an ADDR_VEC,
6354 also delete the BARRIER following it if there is one.
6356 2000-03-24 Richard Henderson <rth@cygnus.com>
6358 * builtins.c (expand_builtin_bzero): Convert `length' argument
6361 2000-03-24 Jakub Jelinek <jakub@redhat.com>
6363 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
6364 comparison if regno's are equal.
6365 * calls.c (initialize_argument_informat): Add ecf_flags argument.
6366 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6367 (expand_call): Update caller.
6368 Avoid making a sibling call if argument size of the callee is larger
6369 than argument size of the caller.
6370 Call hard_function_value with outgoing set if in sibcall pass.
6371 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6373 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
6374 Change LEAF_REGISTERS from an array initializer to actual array
6375 identifier. Move static global variable into the function.
6376 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
6377 sequences for leaf functions.
6378 * global.c (global_alloc): Likewise.
6379 * tm.texi (LEAF_REGISTERS): Update documentation.
6381 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
6382 TARGET_FLAT leaf disabling hack.
6383 (LEAF_REGISTERS): Changed from an array initializer to actual array
6384 identifier to avoid duplication and remove the above hack.
6385 (FUNCTION_OK_FOR_SIBCALL): Define.
6386 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
6387 always like call attribute.
6388 (eligible_for_sibcall_delay): New attribute.
6389 (sibcall): New delay type.
6390 (sibcall, sibcall_value, sibcall_epilogue): New expands.
6391 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
6392 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
6393 * config/sparc/sparc.c (sparc_leaf_regs): New array.
6394 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
6396 (output_function_epilogue): Move part of the code into
6397 output_restore_regs.
6398 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
6400 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
6403 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
6404 until infrastructure is finished.
6406 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
6408 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
6409 (save_parm_insns): Not here.
6411 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6413 * builtins.c (expand_builtin_bzero): New function.
6414 (expand_builtin): Handle bzero.
6416 * builtins.def: Add BUILT_IN_BZERO.
6418 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6419 prototype & function for bzero.
6421 2000-03-23 Michael Meissner <meissner@redhat.com>
6423 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
6424 change adding TARGET_FP to the TF floating point insns, except for
6425 trunctfsf2, which generates direct calls to truncdfsf2.
6427 2000-03-23 Geoff Keating <geoffk@cygnus.com>
6429 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
6430 try to protect against middle-end changes that break binary
6432 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
6434 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6436 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
6438 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6440 * calls.c (expand_call): If TARGET is passed by reference and
6441 is readonly, write a CLOBBER.
6443 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6445 * builtins.c (expand_builtin): Handle bcmp.
6447 * builtins.def: Add BUILT_IN_BCMP.
6449 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6450 prototype & function for bcmp.
6452 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
6454 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
6455 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
6456 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
6458 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
6460 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
6461 alternative when using -fp64 -gp32.
6463 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6465 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
6466 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
6467 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
6469 * frame.h (frame_state): Revert last change.
6470 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
6471 * libgcc2.c (throw_helper): Revert last change.
6473 2000-03-22 Richard Henderson <rth@cygnus.com>
6475 * stmt.c (expand_asm_operands): Don't promote the temporary.
6477 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6479 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
6480 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
6481 c_get_alias_set): Likewise.
6482 * c-decl.c (duplicate_decls): Likewise.
6483 * c-typeck.c (default_conversion,build_unary_op): Likewise.
6484 * calls.c (initialize_argument_information): Likewise.
6485 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
6487 * dwarfout.c (decl_class_context,output_type): Likewise.
6488 * expr.c (get_inner_reference): Likewise.
6489 * fold-const.c (simple_operand_p,fold): Likewise.
6490 * function.c (aggregate_value_p): Likewise.
6491 * stmt.c (expand_asm_operands): Likewise.
6492 * varasm.c (named_section): Likewise.
6494 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6496 Implement dwarf2 exception handling for the ARM.
6497 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
6498 (DWARF_FRAME_RETURN_COLUMN): Define.
6499 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
6500 REG_FRAME_RELATED_EXPR note.
6501 (emit_sfm): Likewise.
6502 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
6503 * dwarf2out.c (reg_save): Handle saving a register to itself.
6504 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
6505 * except.c (eh_regs): Don't use the static chain reg if it's
6507 * frame.h (frame_state): Add cfa_saved field.
6508 * frame.c (execute_cfa_insn): Set it.
6509 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
6511 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
6513 (instantiate_virtual_regs): Adjust.
6515 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6516 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6517 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
6519 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
6520 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
6522 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6524 * builtins.def: New file.
6526 * Makefile.in (TREE_H): Depend on builtins.def.
6528 * builtins.c (built_in_names): Use builtins.def.
6530 * tree.h (built_in_function): Likewise.
6532 2000-03-22 Mark Mitchell <mark@codesourcery.com>
6534 * tree.c (size_in_bytes): Return size_zero_node, not
6537 2000-03-22 Geoff Keating <geoffk@cygnus.com>
6539 * config/fp-bit.c (pack_d): Correct the case when a denormal
6540 is rounded up and stops being denormal.
6542 2000-03-21 Richard Henderson <rth@cygnus.com>
6544 * config/alpha/alpha.c (function_arg): Check for void_type_node
6545 before using MUST_PASS_IN_STACK.
6547 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
6549 * regmove.c (combine_stack_adjustments_for_block): Check that
6550 the stack pointer is a valid memory address.
6552 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
6554 * calls.c: re-install Mar 16 emit_library_call merge.
6556 2000-03-21 Jakub Jelinek <jakub@redhat.com>
6558 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
6559 we cannot be sure that if reload_completed base register will
6560 be properly aligned.
6562 2000-03-21 Richard Henderson <rth@cygnus.com>
6564 * flow.c (delete_block): Fix typo last change.
6566 2000-03-21 Mark Mitchell <mark@codesourcery.com>
6568 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
6569 not COMPLETE_TYPE_P, to check the type of the expression.
6571 2000-03-21 Michael Meissner <meissner@redhat.com>
6573 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
6574 all floating point insns that just tested the macro
6575 TARGET_HAS_XFLOATING_LIBS.
6576 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
6577 used to only use the gprs.
6579 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
6581 * tree.h (COMPLETE_TYPE_P): New macro.
6582 (COMPLETE_OR_VOID_TYPE_P): New macro.
6583 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
6584 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
6585 * c-aux-info.c (gen_type): Use them.
6586 * c-common.c (c_expand_expr_stmt): Likewise.
6587 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
6588 grokdeclarator, grokparms, finish_struct, start_function,
6589 store_parm_decls, combine_parm_decls): Likewise.
6590 * c-parse.y (cast_expr): Likewise.
6591 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
6592 c_size_in_bytes, c_alignof, build_component_ref,
6593 build_indirect_ref, build_array_ref, convert_arguments,
6594 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
6595 * calls.c (initialize_argument_information): Likewise.
6596 * convert.c (convert_to_integer): Likewise.
6597 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
6598 * dwarfout.c (location_or_const_value_attribute,
6599 output_enumeration_type_die, output_structure_type_die,
6600 output_union_type_die, output_type): Likewise.
6601 * expr.c (safe_from_p, expand_expr): Likewise.
6602 * function.c (assign_parms): Likewise.
6603 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
6604 * tree.c (build_array_type, build_function_type,
6605 build_method_type, build_offset_type, build_complex_type): Likewise.
6606 * c-parse.c, c-parse.h: Regenerated.
6608 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6610 * config/c4x/rtems.h: Include config/rtems.h.
6612 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
6614 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
6615 decl is a FUNCTION_DECL
6617 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
6619 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
6620 function uses output registers. Don't save RP for leaf functions.
6621 Do save RP even if no epilogue.
6622 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
6623 (CALL_USED_REGISTERS): Unmark in registers.
6624 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
6627 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6629 * config/rs6000/rs6000.md (bunordered): New expander.
6630 (bordered): New expander.
6631 (buneq): New expander.
6632 (bunge): New expander.
6633 (bungt): New expander.
6634 (bunle): New expander.
6635 (bunlt): New expander.
6636 (bltgt): New expander.
6638 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
6639 (ccr_bit_negated_p): New function.
6640 (print_operand): For %C, generate appropriate cror for UNEQ,
6641 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
6643 2000-03-20 Andreas Jaeger <aj@suse.de>
6645 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
6648 * tree.h (safe_for_unsave): Prototype.
6650 2000-03-20 Richard Henderson <rth@cygnus.com>
6652 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
6653 (combine_stack_adjustments_for_block): Don't allow sp references
6654 in the side of a set we're not fixing up.
6655 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
6656 after life_analysis.
6658 2000-03-20 Richard Henderson <rth@cygnus.com>
6660 * calls.c (expand_call): Don't bother generating tail call
6661 sequences if there are pending cleanups. Use
6662 expand_start_target_temps/expand_end_target_temps to elide
6663 cleanups created during sibcall expansion.
6665 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6667 * configure.in: Set $IFS to a value if it doesn't already have one
6668 in the --enable-checking handling.
6669 * configure: Regenerate.
6671 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6673 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
6674 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6677 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
6679 * jump.c (delete_noop_moves): Remove code attempting to
6680 combine stack adjustments.
6682 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6684 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
6685 * except.c (emit_cleanup_handler): Use them.
6686 (expand_end_all_catch): Likewise.
6687 * function.c (fixup_var_refs): Likewise.
6688 (expand_function_end): Clear catch_clauses_last.
6689 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
6690 * except.h (struct eh_status): New field x_catch_clauses_last.
6691 (catch_clauses_last): New define.
6693 * Makefile.in (tree.o): Depend on HASHTAB_H.
6694 * tree.c: Include hashtab.h.
6695 (struct type_hash): Remove next field.
6696 (TYPE_HASH_SIZE): Remove.
6697 (TYPE_HASH_INITIAL_SIZE): New define.
6698 (type_hash_table): Change type to htab_t.
6699 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
6700 mark_hash_entry): New functions.
6701 (init_obstacks): Allocate type hash.
6702 (type_hash_lookup): Use htab functions.
6703 (type_hash_add, mark_type_hash): Likewise.
6704 (dump_tree_statistics): Call print_type_hash_statistics.
6706 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6708 * rs6000/t-aix41: New file.
6710 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
6712 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
6714 * tm.texi (Driver): Fix typos and tweak entry for
6716 Move misplaced STRUCT_FORCE_BLK entry ...
6717 (Storage Layout): ... to here.
6718 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
6720 2000-03-19 Richard Henderson <rth@cygnus.com>
6722 * flow.c (delete_block): Delete the addr_vec along with the block.
6723 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
6726 * fold-const.c (extract_muldiv): Apply type check for defined
6727 overflow to multiply as well as divide.
6729 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
6731 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6733 * emit-rtl.c (remove_unncessary_notes): Check that all
6734 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
6735 associated NOTE_BLOCK.
6736 * function.h (identify_blocks): Update comments.
6737 (reorder_blocks): Declare.
6738 * function.c (identify_blocks): Don't take paramters.
6739 (reorder_blocks): Don't take parameters.
6740 * loop.h (find_loop_tree_blocks): Remove.
6741 (unroll_block_trees): Likewise.
6742 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
6743 reorder_blocks instead of unroll_block_trees.h
6744 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
6745 * stmt.c (find_loop_tree_blocks): Remove.
6746 (unroll_block_trees): Likewise.
6747 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
6748 in whole-function mode.
6749 * tree.h (reorder_blocks): Remove declaration.
6751 * expr.c: Include intl.h.
6752 * Makefile.in (expr.o): Depend on intl.h.
6754 2000-03-18 Richard Henderson <rth@cygnus.com>
6756 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
6758 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6760 * tree.h (tree_index): Remove enumerals for integer types.
6761 (integer_type_kind): New type.
6762 (integer_types): New variable.
6763 (char_type_node): Adjust.
6764 (signed_char_type_node): Likewise.
6765 (unsigned_char_type_node): Likewise.
6766 (short_integer_type_node): Likewise.
6767 (short_unsigned_type_node): Likewise.
6768 (integer_type_node): Likewise.
6769 (unsigned_type_node): Likewise.
6770 (long_integer_type_node): Likewise.
6771 (long_unsigned_type_node): Likewise.
6772 (long_long_integer_type_node): Likewise.
6773 (long_long_unsigned_type_node): Likewise.
6774 * tree.c (integer_types): New variable.
6775 (init_obstacks): Register it as a root.
6777 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
6779 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
6780 NEXT_INSN. Update last insn in chain.
6782 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
6784 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
6785 with TYPE_DECL_SUPPRESS_DEBUG set.
6787 2000-03-18 Richard Henderson <rth@cygnus.com>
6789 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
6791 2000-03-18 Richard Henderson <rth@cygnus.com>
6793 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
6794 care for HALF_PIC_P.
6795 (expander_call_insn_operand): Remove.
6796 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
6797 * i386.h (PREDICATE_CODES): Update.
6798 * i386.md (all call expanders): Remove predicates, remove special
6799 handling for half-pic.
6800 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
6801 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
6802 (sibcall_epilogue): New.
6804 2000-03-17 Richard Henderson <rth@cygnus.com>
6806 * rtlanal.c (single_set): Reject if the parallel has anything
6807 except SET or USE or CLOBBER.
6809 2000-03-17 Jeff Law <law@cygnus.com>
6810 Richard Henderson <rth@cygnus.com>
6812 * Makefile.in (OBJS): Add sibcall.o.
6814 * sibcall.c: New file.
6815 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
6816 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
6817 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
6818 Emit sibcall patterns when requested. Update all callers.
6819 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
6820 elimination seems feasable.
6821 * final.c (leaf_function_p): Sibling calls don't discount being
6823 * flow.c (HAVE_sibcall_epilogue): Provide default.
6824 (find_basic_blocks_1): Sibling calls don't throw.
6825 (make_edges): Make edge from sibling call to EXIT.
6826 (propagate_block): Don't remove sibcall_epilogue insns.
6827 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
6828 (sibcall_epilogue): New.
6829 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
6830 (identify_blocks_1): Likewise. Break out from ...
6831 (identify_blocks): ... here.
6832 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
6833 (reorder_blocks): ... here.
6834 (init_function_for_compilation): Zap prologue/epilogue as varrays.
6835 (record_insns): Extend a varray instead of mallocing new memory.
6836 (contains): Read a varray not array of ints.
6837 (sibcall_epilogue_contains): New.
6838 (thread_prologue_and_epilogue_insns): Emit and record
6839 sibcall_epilogue patterns.
6840 (init_function_once): Allocate prologue/epilogue varrays.
6841 * genflags.c (gen_insn): Treat sibcall patterns as calls.
6842 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
6844 (save_for_inline_nocopy): ... here.
6845 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
6847 (expand_inline_function): ... here.
6848 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
6849 (subst_constants): Handle 'n' formats.
6850 * jump.c (jump_optimize_minimal): New.
6851 (jump_optimize_1): New arg `minimal'; update callers. Elide most
6852 optimizations if it's set.
6853 * rtl.c (copy_rtx): Do copy jump & call for insns.
6854 * rtl.h (struct rtx_def): Document use of jump and call for insns.
6855 (SIBLING_CALL_P): New.
6856 (sibcall_use_t): New.
6857 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
6858 Invoke optimize_sibling_and_tail_recursive_calls.
6859 * tree.c (lang_safe_for_unsave): New.
6860 (safe_for_unsave): New.
6861 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
6863 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
6864 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
6865 (*sibcall_osf_1, *sibcall_value_osf_1): New.
6867 2000-03-17 Mark Mitchell <mark@codesourcery.com>
6869 * objc/objc-act.c (encode_method_prototype): Pass types, not
6870 PARM_DECLs, to int_size_in_bytes.
6872 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
6874 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
6876 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6877 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
6879 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6881 * Clean up usages of TREE_INT_CST_LOW.
6882 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
6883 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6885 * c-tree.h (min_precision): Move declaration to here.
6886 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
6887 (build_unary_op, add_pending_init): Use bit_position.
6888 (pending_init_member, process_init_element): Likewise.
6889 (really_start_incremental_init, push_init_level, pop_init_level):
6890 Don't make copies of nodes or modify them in place, use consistent
6891 types when tracking positions, and use tree routines computations.
6892 (set_init_index, output_init_element): Likewise.
6893 (output_pending_init_elements, process_init_element): Likewise.
6894 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
6895 tree_low_cst and int_bit_position; also minor cleanup.
6896 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
6897 (print_cst_octal): Precision is unsigned.
6898 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
6899 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
6900 (simple_type_align_in_bits): Result is unsigned int.
6901 Use tree_int_low_cst and host_integerp.
6902 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
6903 (field_byte_offset): Result is HOST_WIDE_INT.
6904 Change types of internal variables so alignments are unsigned int,
6905 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
6906 Use host_integerp, tree_low_cst, and int_bit_position.
6907 (add_bit_offset_attribute): Likewise.
6908 (add_data_member_location_attribute): Use tree_cst_low.
6909 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
6910 (add_bit_size_attribute): Use tree_low_cst.
6911 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
6912 * dwarfout.c: Similar changes to dwarf2out.c.
6913 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
6914 * genoutput.c (n_occurences): Return -1 for null string.
6915 (strip_whitespace): Accept null string and make into function.
6916 (scan_operands): Reflect above changes.
6917 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
6918 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
6919 * ssa.c (rename_registers): Add missing cast of arg to bzero.
6920 * tree.c (int_size_in_bytes): Check for too big to represent.
6921 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
6922 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
6924 (min_precision): Delete from here.
6925 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
6926 and int_bit_position.
6927 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
6928 (encode_method_def): Likewise.
6929 (build_ivar_list_initializer): Use int_bit_position.
6930 (generate_shared_structures): Convert size.
6931 (encode_type, encode_complete_bitfield): Use integer_zerop.
6932 (encode_bitfield): Use tree_low_cst and int_bit_position.
6934 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6936 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
6938 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6940 * call.c (special_function_p): It is only malloc if it returns
6943 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6945 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
6946 (C33_FLAG, TARGET_C3X): Add macros.
6947 (TARGET_SWITCHES): Add -m33 option.
6948 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
6950 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6952 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
6953 (PARALLEL_PACK_FLAG): Delete.
6954 (TARGET_SWITCHES): Update.
6955 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
6957 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6959 * fold-const.c (fold): Fix a few cases when the returned result
6960 is not of the same type as the input.
6962 2000-03-16 Nick Clifton <nickc@cygnus.com>
6964 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
6967 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6969 * libgcc2.h: Move prototypes above macros with the same name.
6970 Wrap some function prototypes in the conditional which indicates
6971 whether they are supported, i.e. "BITS_PER_UNIT == 8".
6973 2000-03-16 Richard Henderson <rth@cygnus.com>
6975 * calls.c: Revert last two changes.
6977 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
6979 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
6980 has exponent 0 is a zero.
6982 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
6983 HASH may already be nonzero. Add code/mode into hash value
6984 immediately after repeat label.
6985 (cselib_lookup): Don't leave the hash table in an inconsistent
6986 state before a hash lookup operation.
6988 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
6990 * i386.md (all HI and QI mode non-move patterns): Conditionize
6991 by TARGET_[HQ]IMODE_MATH.
6992 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6993 x86_promote_qi_regs): Declare.
6994 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
6995 TARGET_PROMOTE_QI_REGS): New macros.
6996 (PROMOTE_MODE): New macro.
6997 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6998 x86_promote_qi_regs): New global variables.
7000 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
7002 * calls.c (emit_library_call_value_1): Break out from ...; handle
7003 VOIDmode function calls too.
7004 (emit_library_call_value): ... here.
7005 (emit_library_call): Implement by calling emit_library_call_value_1.
7007 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
7009 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
7010 Update arg_space_so_far on stack adjustments.
7011 (emit_library_call, emit_library_call_value): Likewise; take into
7012 account arg_space_so_far and pending_stack_adjust when calculcating
7015 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
7017 * flow.c: Move all basic block reordering code into its own file.
7018 (create_basic_block): Externalize.
7019 * bb-reorder.c: New file. Copy all basic block reordering code from
7020 flow.c to this file.
7021 (reorder_basic_blocks): Fix fencepost error in for-loop.
7022 (reorder_basic_blocks): Remove braces from single statement for-loops.
7023 * basic-block.h: Add declaration for create_basic_block.
7024 * Makefile.in: Add rules for bb-reorder.o.
7026 2000-03-16 Neil Booth <NeilB@earthling.net>
7028 * cppinit.c (handle_option): Implement #unassert directive
7029 as -A- command line option.
7030 (print_help): Update.
7031 * cpptexi.c: Update.
7033 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
7035 * md.texi (Standard Names): Document `jump'.
7037 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7039 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
7042 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7044 Merge changes from newppc-branch onto trunk.
7046 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7048 * rs6000.c (toc_hash_table): Update for new hash table functions.
7049 (toc_hash_function): Likewise.
7050 (toc_hash_eq): Likewise.
7051 (toc_hash_mark_entry): Likewise.
7052 (toc_hash_mark_table): Likewise.
7053 (output_toc): Likewise.
7054 (rs6000_add_gc_roots): Likewise.
7056 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7058 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
7059 (AR_FLAGS_FOR_TARGET): here. New macro.
7061 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
7063 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
7064 fpmem_operand) Delete.
7066 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
7067 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
7068 (rs6000_save_machine_status, rs6000_restore_machine_status,
7069 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
7070 references to above variables.
7071 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
7072 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
7073 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
7074 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
7075 (XER_REGNO_P, XER_REGNO): New.
7076 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
7077 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
7078 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
7080 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7081 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
7082 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
7084 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7086 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
7087 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
7088 * rs6000.h: from here.
7090 * rs6000-protos.h (rs6000_select_section): Provide prototype.
7091 (rs6000_select_rtx_section): Likewise.
7092 (rs6000_encode_section_info): Likewise.
7093 (sdata_section): Likewise.
7094 (sdata2_section): Likewise.
7095 (sbss_section): Likewise.
7096 * sysv4.h (rs6000_select_section): Delete prototype.
7097 (rs6000_select_rtx_section): Likewise.
7098 (rs6000_encode_section_info): Likewise.
7099 (sdata_section): Likewise.
7100 (sdata2_section): Likewise.
7101 (sbss_section): Likewise.
7102 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
7104 * sysv4.h: Delete various unnecessary #undef's and put a comment
7105 on the remaining ones.
7106 Change various comments according to coding standard.
7108 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
7110 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
7111 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
7112 (CR0_REGNO_P) Remove.
7113 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
7114 setup_incoming_varargs, mtcrf_operation, print_operand,
7115 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
7116 Use the above macros.
7118 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
7120 * config/rs6000/rs6000.md: Added a new alternative for each
7121 pattern that had a 'x' alternative but no 'y' alternative.
7122 Added a new split for each of the above patterns.
7124 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7126 * aix41.h (ASM_CPU_SPEC): Delete.
7127 (CPP_CPU_SPEC): Delete.
7129 * aix.h (RS6000_OUTPUT_BASENAME): Define.
7130 (ASM_OUTPUT_LABEL): Define.
7131 (ASM_GLOBALIZE_LABEL): Define.
7132 (STRIP_NAME_ENCODING): Define.
7133 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
7134 (STRIP_NAME_ENCODING): Don't define.
7135 (ASM_OUTPUT_LABEL): Don't define.
7136 (ASM_GLOBALIZE_LABEL): Don't define.
7137 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
7138 names, and ASM_OUTPUT_LABEL to output labels, rather than
7140 (ASM_OUTPUT_LABEL): Define.
7141 (ASM_OUTPUT_INT): Use assemble_name.
7142 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
7143 (STRIP_NAME_ENCODING): Don't undefine first.
7144 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
7146 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
7147 specified with 'asm' even with -fleading-underscore.
7148 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
7149 (output_epilog): Likewise.
7150 (output_toc): Likewise.
7151 * tramp.asm: Handle -fleading-underscore correctly.
7153 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
7155 (nonlocal_goto_receiver): Delete.
7156 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
7158 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
7159 (SET_ASM_OP): Define.
7160 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
7162 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
7165 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
7166 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
7168 * rs6000.h: Add 'u' to more constants.
7170 2000-02-18 David Edelsohn <edelsohn@gnu.org>
7172 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
7174 2000-02-15 David Edelsohn <edelsohn@gnu.org>
7176 * rs6000.c (reg_or_u_cint_operand): New function.
7177 (logical_operand): Handle 64-bit hosts.
7178 (logical_u_operand): New function.
7179 (non_logical_cint_operand): Handle 64-bit hosts.
7180 (non_logical_u_cint_operand): New function.
7181 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
7182 (PREDICATE_CODES): Define new functions.
7183 * rs6000-protos.h: Declare new functions.
7184 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
7185 (movdi_64): Bracket code intended for 64-bit hosts. Create
7186 CONST_DOUBLE for 32-bit values.
7187 (scc insns): Generate DImode compares.
7188 (mfcr insns): Create DImode versions.
7189 (sge matchers): New patterns.
7191 2000-02-15 Gabriel Paubert <paubert@iram.es>
7193 * rs6000.md: Correct instructions length attributes and
7194 constraints on unsigned compare instructions.
7195 (*ne0): Disable for PowerPC64.
7197 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7199 * rs6000.c (output_function_profiler): Use .long for a 32-bit
7200 quantity, fix profile1.C test failure under -fPIC.
7202 * rs6000.c: Add 'u' to many constants to suppress warnings.
7203 (constant_pool_expr_1): Make static.
7204 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
7205 * rs6000.h: Add 'u' to many constants to suppress warnings.
7207 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
7208 for the start of the TOC, instead of LCTOC..0.
7209 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
7211 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
7212 (load_toc_aix_di): Use LCTOC..1.
7214 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
7215 * rs6000.c (rs6000_legitimize_address): New function from
7216 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
7217 symbols in the constant pool that really are TOC references.
7218 (print_operand_address): For ELF, write TOC offsets under
7219 -fPIC as subtractions in the insn.
7220 (output_toc): For ELF, define symbols in TOC as normal labels,
7222 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
7223 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
7224 (create_TOC_reference): Prototype only when RTX_CODE is defined.
7225 * rs6000.md (movsi): Only use create_TOC_reference on
7226 symbols in the constant pool that really are TOC references.
7228 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
7229 * rs6000.c (rs6000_reorg): Delete.
7230 * rs6000-protos.h (rs6000_reorg): Delete.
7232 2000-02-09 Geoff Keating <geoffk@cygnus.com>
7234 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
7236 * aix.h (SETUP_FRAME_ADDRESSES): Define.
7237 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
7238 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
7239 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
7240 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
7241 rs6000_aix_emit_builtin_unwind_init.
7242 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
7243 rs6000_emit_eh_toc_restore on AIX.
7244 (return_eh_si): Use r2.
7245 (return_eh_di): Use r2.
7247 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
7248 since we're breaking binary compatibility anyway.
7250 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7252 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
7253 constant_pool_expr_p): Declare them.
7254 (constant_pool_expr_p): Declare it.
7255 * config/rs6000/rs6000.c (toc_label_name): Define.
7256 (rs6000_override_options): Set toc_label_name.
7257 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
7258 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
7259 uses_TOC): New functions.
7260 (print_operand): Delete old '*' case.
7261 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
7262 and strip off rtl for TOC before calling output_addr_const.
7263 (rs6000_emit_load_toc_table): Use toc_label_name.
7264 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
7266 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
7267 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
7268 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
7269 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
7270 into explicit TOC_REGISTER offsets.
7271 (TOC_REGISTER): New macro.
7272 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
7273 TARGET_TOC to reference TOC_REGISTER.
7274 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
7275 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
7276 uses_TOC before emitting label references.
7278 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7280 * rs6000.md (stack_tie): Fix warning.
7282 * eabi-ctors.c: Use 'asm' names for the start/end variables,
7283 to handle -fleading-underscore.
7284 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
7285 (USER_LABEL_PREFIX): New macro.
7286 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
7287 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
7288 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
7289 call-linux can use the same multilibs.
7290 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
7291 and call-linux multilibs. Do multilib with -fleading-underscore.
7292 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
7293 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
7296 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
7297 have MASK_SOFT_FLOAT set.
7298 (CPP_FLOAT_DEFAULT_SPEC): New macro.
7299 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
7300 CPP_FLOAT_DEFAULT_SPEC.
7302 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
7303 * rs6000.md: Whitespace change.
7304 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
7305 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
7307 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7309 * rs6000.md (eh_epilogue): New expander.
7310 (eh_reg_restore): New expand/split/insn combination.
7311 (return_eh_si): New insn.
7312 (return_eh_di): New insn.
7314 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
7315 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
7316 * eabi-ctors.c (__do_global_ctors): Register this object's
7317 frame. Clean up. Call atexit() after the constructors.
7318 (__do_global_dtors): Deregister this object's frame. Clean up.
7319 Allow for recursive calls to exit().
7320 * rs6000.c (fixuplabelno): New variable.
7321 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
7322 TARGET_RELOCATABLE, it slows down exec() under linux.
7323 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
7325 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
7326 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
7327 (ASM_OUTPUT_DWARF_DELTA2): New macro.
7328 (ASM_OUTPUT_DWARF_DELTA4): New macro.
7329 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
7330 (ASM_OUTPUT_DWARF_ADDR): New macro.
7331 (ASM_OUTPUT_DWARF_DATA4): New macro.
7332 (ASM_OUTPUT_DWARF_DATA2): New macro.
7333 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
7334 (ASM_OUTPUT_DWARF_OFFSET): New macro.
7335 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
7337 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7339 * rs6000.c (rs6000_sr_alias_set): New variable.
7340 (rs6000_override_options): Initialise rs6000_sr_alias_set.
7341 (rs6000_emit_stack_tie): New function.
7342 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
7343 in a way that dwarf2out can understand.
7344 (rs6000_frame_related): New function.
7345 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
7346 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
7347 Use rs6000_emit_stack_tie when needed.
7348 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
7349 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
7350 * rs6000.md (stack_tie): New insn.
7351 (return_internal_si): Allow return value to be in the count
7353 (return_internal_di): Likewise.
7355 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
7357 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7359 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
7361 2000-01-31 Geoff Keating <geoffk@cygnus.com>
7363 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
7365 * rs6000.md (stmw): Use the right POWER opcode.
7368 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7370 * rs6000-protos.h: New file.
7372 * rs6000.c: Include tm_p.h. Fix compile time warnings.
7374 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
7377 * sysv4.h: Likewise.
7379 2000-01-28 Geoff Keating <geoffk@cygnus.com>
7381 * ../../configure.in: Delete powerpcle-*-winnt*
7382 and powerpcle-*-pe|powerpcle-*-cygwin*.
7383 * ../../configure: Regenerated.
7385 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
7386 (TARGET_WINDOWS_NT): Delete.
7388 (CALL_NT_DLLIMPORT): Delete.
7389 Delete NT-specific code.
7390 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
7393 * nt-ci.asm: Delete.
7394 * nt-cn.asm: Delete.
7395 * ntstack.asm: Delete.
7397 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7399 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
7400 (ASM_FILE_START): Likewise.
7401 (ASM_DECLARE_FUNCTION_NAME): Likewise.
7402 (ASM_OUTPUT_LABELREF): Likewise.
7403 (ASM_OUTPUT_SKIP): Likewise.
7404 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
7405 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7406 (ASM_OUTPUT_CASE_LABEL): Likewise.
7407 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7408 (ASM_OUTPUT_ASCII): Likewise.
7410 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
7412 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
7413 reload_toc_labelno for non-prologue TOC reloads. Also, don't
7414 increment rs6000_pic_labelno here.
7415 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
7416 and increment rs6000_pic_labelno here.
7418 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
7420 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
7421 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
7422 allocation knows (reg) is dead before the insn.
7424 2000-01-21 Geoff Keating <geoffk@cygnus.com>
7426 * rs6000.md (movsi_to_cr): Correct typo in output template.
7428 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7430 * rs6000.c (rs6000_pic_labelno): Always define.
7431 (rs6000_pic_func_labelno): Delete.
7432 (lmw_operation): Check for a zero base register,
7433 which doesn't mean what we want.
7434 (stmw_operation): New function.
7435 (print_operand): Define new 'l' modifier.
7436 (rs6000_stack_info): We must save all 64 bits of the registers
7437 if TARGET_POWERPC64.
7438 (rs6000_output_load_toc_table): Delete.
7439 (rs6000_emit_load_toc_table): New function.
7440 (rs6000_allocate_stack_space): Delete.
7441 (rs6000_emit_allocate_stack): New function.
7442 (rs6000_emit_prologue): New function.
7443 (output_prolog): Use rs6000_emit_prologue.
7444 (rs6000_emit_epilogue): Change a few variable names to be
7445 more accurate. Restore all 64 bits of the registers if
7446 TARGET_POWERPC64. Only restore the FP registers which were used
7447 if they are being saved/restored one-at-a-time.
7448 (output_mi_thunk): Delete inefficient code generation.
7449 (output_function_profiler): Don't use rs6000_output_load_toc_table.
7450 * rs6000.h: Declare rs6000_emit_load_toc_table,
7451 rs6000_allocate_stack_space, stmw_operation. Don't declare
7452 rs6000_output_load_toc_table.
7453 * rs6000.md (elf_high): Allow register 0, but discourage it
7455 (elf_low): Support loading into register 0.
7456 (load_toc_aix_si): New pattern.
7457 (load_toc_aix_di): New pattern.
7458 (load_toc_v4_pic_si): New pattern.
7459 (load_toc_v4_pic_di): New pattern.
7460 (load_toc_v4_PIC_1): New pattern.
7461 (load_toc_v4_PIC_1b): New pattern.
7462 (load_toc_v4_PIC_2): New pattern.
7463 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
7464 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
7465 (prologue): New expander.
7466 (movesi_from_cr): New pattern.
7467 (stmw): New pattern.
7468 (save_fpregs_si): New pattern.
7469 (save_fpregs_di): New pattern.
7471 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7473 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
7478 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7480 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
7482 (movsi_got_internal): Likewise.
7483 (movsi_got_internal+1): Likewise.
7484 (set_sp): 'unspec 7' does a SImode clobber.
7486 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7488 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
7489 allocate a stack temporary.
7490 (floatsidf2_internal): Likewise.
7491 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
7493 (floatunssidf2): Don't use the fpmem "register", just
7494 allocate a stack temporary.
7495 (floatunssidf2_internal): Likewise.
7496 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
7498 (floatsidf2_loadaddr): Delete.
7499 (floatsidf2_store1): Delete.
7500 (floatsidf2_store2): Delete.
7501 (floatsidf2_load): Delete.
7502 (fix_truncdfsi2): Don't use the fpmem "register", just
7503 allocate a stack temporary.
7504 (fix_truncdfsi2_internal_si): Delete.
7505 (fix_truncdfsi2_internal_di): Delete.
7506 (fix_truncdfsi2_internal): New insn.
7507 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
7508 (fix_truncdfsi2_store): Delete.
7509 (fix_truncdfsi2_load): Delete.
7510 (fctiwz): Produce gen_fctiwz.
7512 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7514 * eabi.h (INVOKE__main): Define.
7515 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
7517 (rs6000_emit_prologue): Likewise.
7518 * rs6000.h (struct rs6000_stack): Don't keep track of whether
7519 this is the main program.
7521 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7523 * rs6000.c (rs6000_va_arg): Delete some unused variables.
7525 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7527 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
7528 goes after the argument.
7530 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7532 * rs6000.md: Document 'unspec' values used.
7533 (epilogue): New expander.
7534 (movesi_to_cr_one): New expander.
7535 (movesi_to_cr and following): New pattern.
7537 (return_internal_si): New pattern.
7538 (return_internal_di): New pattern.
7539 (return_and_restore_fpregs_si): New pattern.
7540 (return_and_restore_fpregs_di): New pattern.
7541 * rs6000.h: Declare new functions.
7542 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
7543 rather than rs6000_calls_p.
7544 (rs6000_makes_calls): Delete.
7545 (lmw_operation): New function.
7546 (mtcrf_operation): New function.
7547 (rs6000_emit_epilogue): New function.
7548 (output_epilog): Call rs6000_emit_epilogue and final if
7549 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
7551 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7553 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
7554 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
7555 * aix.h (SUBTARGET_SWITCHES): Document switches.
7556 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
7557 sched-prolog and sched-epilog the same. Document all the
7559 (TARGET_OPTIONS): No longer allow -mdebug-.
7561 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7563 * rs6000.h (ASM_FILE_END): Move to aix.h.
7564 (EXTRA_SECTIONS): Move to aix.h.
7565 (READONLY_DATA_SECTION): Move to aix.h.
7566 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
7567 (SELECT_SECTION): Move to aix.h.
7568 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
7569 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
7570 (LINK_REGISTER_REGNUM): New definition.
7571 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
7572 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
7574 * sysv4.h: Delete the code between the inclusion of rs6000.h
7576 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
7577 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
7578 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
7579 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
7580 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
7581 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
7582 (fix_truncdfsi2_internal_di): New pattern.
7583 (fix_truncdfsi2_store): The second arg here is Pmode too.
7584 (fix_truncdfsi2_load): The second arg here is Pmode too.
7585 (tablejumpdi): Now that switch tables hold only SImode values,
7586 gcc needs to know how to add them to the pc which is DImode.
7587 * rs6000.c (rs6000_stack_info): Use symbolic name for
7588 LINK_REGISTER_REGNUM.
7589 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
7590 (output_toc): Delete unused variables s1 and s2.
7591 (output_ascii): Use fputs not fprintf on a variable string.
7593 2000-01-07 David Edelsohn <edelsohn@gnu.org>
7595 * rs6000.c (processor_target_table): Add power3 as alias for 630.
7596 * aix43.h: Revert Aug 2 change.
7597 (HAS_INIT_SECTION): Define, not visible yet.
7598 (LD_INIT_SWITCH): Define, not visible yet.
7599 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
7601 2000-01-04 Joel Sherrill (joel@OARcorp.com>
7603 * config/rs6000/rtems.h: Include config/rtems.h.
7605 2000-01-04 David Edelsohn <edelsohn@gnu.org>
7607 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
7608 (SLOW_UNALIGNED_ACCESS): Define.
7609 (CASE_VECTOR_MODE): Always use 32-bit offsets.
7610 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
7611 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
7612 (toc_section): Likewise and .toc pseudo-op.
7613 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
7615 (TEXT_SECTION_ASM_OP): Likewise.
7616 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
7619 1999-12-17 Jakub Jelinek <jakub@redhat.com>
7621 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
7622 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
7625 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7627 * rs6000.h: Move more stuff from here...
7629 * sysv4.h: Cleanup accordingly.
7630 * netware.h: Likewise
7632 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7634 * rs6000.h: Continue cleanup.
7637 * netware.h: Likewise.
7639 * sysv4.h: Likewise.
7640 * win-nt.h: Likewise.
7642 * rs6000.h (TARGET_SWITCHES): Add descriptions.
7643 (TARGET_OPTIONS): Likewise.
7645 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
7646 (SUBTARGET_OPTIONS): Likewise.
7648 * rs6000.md: Fix compile time warnings.
7650 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7652 vxworks patches from the Cygnus tree originally by
7653 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
7654 <vmakarov@cygnus.com>.
7655 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
7656 (ENDFILE_SPEC): Likewise.
7657 (LIB_VXWORKS_SPEC): New macro.
7658 (STARTFILE_VXWORKS_SPEC): New macro.
7659 (ENDFILE_VXWORKS_SPEC): New macro.
7660 (LINK_START_VXWORKS_SPEC): New macro.
7661 (LINK_OS_VXWORKS_SPEC): New macro.
7662 (CPP_OS_VXWORKS_SPEC): New macro.
7663 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
7664 * vxppc.h: Rewrite to use proper configuration method.
7665 * vxppcle.h: New file.
7666 * ../../configure.in: Add powerpcle-wrs-vxworks*.
7667 * ../../configure: Rebuilt.
7669 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7671 Lots of changes to rs6000.h, sysv4.h, aix.h,
7672 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
7673 with the aim that rs6000.h is the first header
7674 included and the others override it.
7677 * x-aix41-gld: Remove.
7679 * x-aix41: Remove target-specific switches, and don't specify
7680 -Wl,-bbigtoc as we don't need it any more.
7681 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
7682 Use t-aix43 for AIX 4.3 and above.
7683 * ../../configure: Regenerated.
7685 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
7686 options, that don't do anything yet.
7687 (MASK_SCHED_PROLOG): New macro.
7688 (MASK_SCHED_EPILOG): New macro.
7689 (TARGET_SCHED_PROLOG): New macro.
7690 (TARGET_SCHED_EPILOG): New macro.
7692 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7694 * rs6000.c: Correct comment, the `minimal' TOCs are actually
7695 one per translation unit, not one per function.
7696 (output_toc): Also do duplicate constant elimination
7697 for per-translation-unit TOCs.
7699 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
7700 a comment explaining _exactly_ when this pattern gets used.
7701 (builtin_setjmp_receiver): New pattern for better clarity.
7702 (init_v4_pic): Move it into a section dealing with TOC registers.
7704 1999-12-30 Geoff Keating <geoffk@cygnus.com>
7706 * rs6000.c (toc_hash_table): New variable.
7707 (rs6000_hash_constant): New function.
7708 (toc_hash_function): New function.
7709 (toc_hash_eq): New function.
7710 (toc_hash_mark_entry): New function.
7711 (toc_hash_mark_table): New function.
7712 (output_toc): Don't output duplicate TOC entries in
7714 (rs6000_add_gc_roots): Add the hash table as a GC root.
7715 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
7716 where they clearly shouldn't be. This may need to be fixed
7717 later when there is a GNU ar for AIX.
7718 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
7719 Don't define BOOT_LDFLAGS as it is now not necessary.
7721 1999-12-29 Geoff Keating <geoffk@cygnus.com>
7723 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
7724 for va_list on AIX. Use unsigned_char_type_node rather than
7725 constructing our own version on svr4.
7727 1999-12-17 Geoff Keating <geoffk@cygnus.com>
7729 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
7730 since patently it's not.
7732 1999-12-08 Geoff Keating <geoffk@cygnus.com>
7734 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
7735 define_expand/define_insn pair, and handle restore of the
7736 SVR4 -fpic register.
7738 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
7740 * acconfig.h (HAVE_GAS_WEAK): New define.
7741 * configure.in (assembler weak support): Check for .weak support.
7742 * config.in, configure: Rebuilt.
7743 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
7744 HAVE_GAS_WEAK is defined.
7746 2000-03-15 Nick Clifton <nickc@cygnus.com>
7748 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
7751 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
7753 * cppfiles.c (open_include_file): New function.
7754 (find_include_file, cpp_read_file): Use it.
7756 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7758 * cpphash.c (dump_hash_helper): Take the slot, not the element.
7760 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
7762 * flow.c (verify_flow_info): Check for unconditional return.
7764 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
7766 * config/ia64/ia64.md (restore_stack_nonlocal): New.
7767 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
7768 (__ia64_restore_stack_nonlocal): New.
7769 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
7771 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7773 * cpphash.c (collect_formal_parameters): Do not complain about
7774 parameter names that just start with `__VA_ARGS__'.
7776 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
7778 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
7779 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
7780 * i386.c (pentiumpro_cost): Set mul cost to 4.
7781 (x86_use_movx): Set for PPro.
7783 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
7785 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
7786 STACK_BOUNDARY for empty frames now.
7788 2000-03-14 Mark Mitchell <mark@codesourcery.com>
7790 * stor-layout.c (layout_union): Remove.
7791 (layout_union_field): New function, split out from layout_union.
7792 (finish_union_layout): Likewise.
7793 (layout_field): Handle unions by calling layout_union_field.
7794 (finish_record_layout): Handle unions.
7795 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
7796 QUAL_UNION_TYPE handling.
7798 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
7800 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
7801 end of basic block is jump_insn, not barrier; use create_basic_block
7802 instead of creating basic block by hand.
7804 2000-03-14 Jason Eckhardt <jle@cygnus.com>
7806 * flow.c (reorder_basic_blocks): Account for barriers when writing
7807 over NEXT_INSN (last_bb->end).
7808 (verify_flow_info): Add check for missing barriers.
7810 2000-03-14 Greg McGary <gkm@gnu.org>
7812 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
7813 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
7814 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
7815 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
7816 __unbounded, __unbounded__): New keywords.
7817 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
7818 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
7819 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
7821 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
7823 * cselib.h: New file.
7824 * alias.c: Include "cselib.h".
7825 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
7826 MEMs as two new arguments.
7827 (get_addr): New static function.
7828 (find_base_term): Handle VALUEs.
7829 (memrefs_conflict_p): Likewise.
7830 (true_dependence): Call get_addr on the addresses.
7831 Call fixed_scalar_and_varying_struct_p with addresses that have been
7832 passed through get_addr and canon_rtx.
7833 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
7834 with true_dependence.
7835 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
7836 * loop.c: Include "cselib.h".
7837 (load_mems): Process extended basic block that enters the loop with
7838 cselib. Use that information to change initialization of the shadow
7839 register so that a constant equivalence is seen by later passes.
7840 * reload1.c: Include "cselib.h".
7841 (reload_cse_invalidate_regno): Delete function.
7842 (reload_cse_mem_conflict_p): Likewise.
7843 (reload_cse_invalidate_mem): Likewise.
7844 (reload_cse_invalidate_rtx): Likewise.
7845 (reload_cse_regno_equal_p): Likewise.
7846 (reload_cse_check_clobber): Likewise.
7847 (reload_cse_record_set): Likewise.
7848 (reg_values): Delete static variable.
7849 (invalidate_regno_rtx): Likewise.
7850 (reload_cse_delete_noop_set): New static function.
7851 (reload_cse_simplify): New static function, broken out of
7853 (reload_cse_noop_set_p): Delete unused argument INSN.
7854 Just call rtx_equal_for_cselib_p on set source and destination.
7855 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
7856 reload_cse_delete_noop_set. Delete code to keep track of values; use
7857 cselib functions instead. Delete code to push/pop obstacks.
7858 (reload_cse_simplify_set): Use cselib to find equivalent values.
7859 Delete code to push/pop obstacks.
7860 (reload_cse_simplify_operands): Likewise.
7861 * rtl.def (VALUE): New rtx code.
7862 * rtl.h (union rtunion_def): New elt rt_cselib.
7863 (X0CSELIB, CSELIB_VAL_PTR): New macros.
7864 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
7865 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
7866 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
7867 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
7868 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
7869 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
7870 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
7871 cselib_record_set, cselib_record_sets): New static functions.
7872 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
7873 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
7874 references_value_p): New functions.
7875 (MAX_USELESS_VALUES, REG_VALUES): New macros.
7876 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
7877 n_useless_values, reg_values, callmem, cselib_obstack,
7878 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
7879 New static variables.
7880 * varray.h (union varray_data_tag): New elt te.
7881 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
7882 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
7885 2000-03-14 Nick Clifton <nickc@cygnus.com>
7887 * gcc.c (do_spec_1): Catch the case where %* is used in a
7888 substitution pattern, but it has not been initialised.
7889 Issue a meaningful error message if an unrecognised operator
7890 is encountered in a spec string.
7892 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
7894 * function.c (prepare_function_start): Correctly initialize
7895 cfun->stack_alignment_needed.
7897 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
7899 * cppfiles.c (find_include_file): Don't assume nshort is a
7902 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
7904 * configure.in (hppa configurations): Add pa32-regs.h to the
7905 list of tm files as appropriate.
7906 * configure: Rebuilt.
7907 * pa.c (compute_frame_size): Remove explicit knowledge about FP
7909 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
7910 (fmpyaddoperands, fmpysuboperands): Likewise.
7911 * pa.h: Remove various definitions which depend on knowing
7912 how registers are numbered.
7913 * pa32-regs.h: New file with PA32 register numbering specific
7916 2000-03-14 Richard Henderson <rth@cygnus.com>
7918 * regmove.c (combine_stack_adjustments): New.
7919 (stack_memref_p, single_set_for_csa): New.
7920 (free_csa_memlist, record_one_stack_memref): New.
7921 (try_apply_stack_adjustment): New.
7922 (combine_stack_adjustments_for_block): New.
7923 * rtl.h (combine_stack_adjustments): Declare.
7924 * toplev.c (rest_of_compilation): Call it.
7926 * i386.md: Revert 2000-01-16 change.
7928 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7930 * gccbug.in: Add web category, gcc specific classes.
7932 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
7934 * stor-layout.c (finalize_record_size): Fix typo.
7936 2000-03-14 Stan Shebs <shebs@apple.com>
7938 * c-typeck.c (c_alignof): Error on incomplete types.
7939 * extend.texi (Alignment): Document this.
7941 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7943 * cppfiles.c: Include mkdeps.h.
7944 (find_include_file, read_include_file): Remove _cpp_ prefix
7945 from name, make static.
7946 (_cpp_execute_include): New function, broken out of
7949 * cpplib.c: Don't include mkdeps.h.
7950 (struct directive): Remove type field. Reorder entries. The
7951 function takes only one argument.
7952 (struct if_stack): Make type field an int.
7953 (directive_table): Rename to dtable. Generate it, the
7954 prototypes of the directive handlers, and the enum for the
7955 directive numbers, from a template macro.
7956 (do_ifndef, do_include_next, do_import): New functions.
7957 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
7958 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
7959 do_ident, do_assert, do_unassert, do_sccs): Take only one
7961 (do_sccs): Define always, but alter behavior based on
7963 (_cpp_handle_directive, consider_directive_while_skipping):
7964 Restructure for new directive table layout.
7966 (pass_thru_directive): Take a directive number, not a pointer
7967 to a struct directive.
7968 (parse_include): New function, broken out of do_include.
7969 (do_include, do_import, do_include_next): Use parse_include
7970 and _cpp_execute_include.
7971 (do_elif, do_else): Test for T_ELSE specifically when checking
7972 for #elif/#else after #else.
7973 (parse_ifdef): New function, broken out of do_ifdef.
7974 (validate_else): Expect a name arg without a leading #.
7975 (if_directive_name): Delete.
7976 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
7977 directive handlers with only one argument.
7979 * cpphash.h: Update prototypes.
7980 (enum node_type): Remove entries for directives.
7981 * Makefile.in: Update dependencies.
7983 * cpphash.c (dump_hash_helper): Only dump nodes of type
7984 T_MACRO. Emit a newline after each definition.
7986 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7988 * gccbug.in: New file.
7989 * configure.in (all_outputs): Add gccbug.
7990 * Makefile.in (install-common): Install gccbug.
7991 (GCCBUG_INSTALL_NAME): New variable.
7992 * configure: Rebuilt.
7994 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7996 * function.c (put_var_into_stack): Use type_for_mode to calculate
7997 part_type. Use MEM_SET_IN_STRUCT_P.
7998 * expr.c (store_field): Handle CONCAT.
7999 (store_constructor): Use fields_length.
8000 * tree.c (fields_length): New fn.
8001 * tree.h: Declare it.
8003 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8005 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
8006 (cpplex.o): New target.
8007 * po/POTFILES.in: Add cpplex.c.
8009 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
8010 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
8011 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
8012 skip_block_comment, skip_line_comment, skip_comment,
8013 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
8014 _cpp_parse_name, skip_string, parse_string,
8015 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
8016 _cpp_get_directive_token, find_position,
8017 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
8018 (maybe_macroexpand, _cpp_lex_token): New functions.
8020 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
8021 parse_goto_mark): Delete.
8022 (_cpp_handle_eof): New function.
8023 (_cpp_handle_directive): Rename from handle_directive.
8024 (_cpp_output_line_command): Rename from output_line_command.
8025 (do_if, do_elif): Call _cpp_parse_expr directly.
8026 * cppfiles.c (_cpp_read_include_file): Don't call
8027 init_input_buffer here.
8028 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
8029 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
8030 here; pop the token_buffer and skip the rest of the line here.
8031 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
8034 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
8036 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
8037 CPP_GOTO_MARK): New macros.
8038 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
8039 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
8040 _cpp_read_and_prescan, _cpp_init_input_buffer,
8041 _cpp_grow_token_buffer, _cpp_get_directive_token,
8042 _cpp_handle_directive, _cpp_handle_eof,
8043 _cpp_output_line_command): Prototype them here.
8044 * cpplib.h (enum cpp_token): Add CPP_MACRO.
8045 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
8046 quote_string, output_line_command): Remove.
8048 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
8050 * stmt.c (expand_end_case): RANGE may be signed, and when checking
8051 whether it is too large we must also verify that it isn't negative.
8053 2000-03-13 Jakub Jelinek <jakub@redhat.com>
8055 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
8056 (movsi_zero_liveg0): Remove.
8057 (movsf_insn_novis_liveg0): Remove.
8059 (negsi2_not_liveg0): Rename to negsi2.
8060 (one_cmplsi2): Remove.
8061 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
8062 (one_cmplsi2_liveg0): Remove.
8063 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
8064 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
8065 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
8066 (PREDICATE_CODES): Remove zero_operand.
8067 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
8068 TARGET_BROKEN_SAVERESTORE.
8069 (zero_operand): Remove.
8070 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
8071 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
8073 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
8074 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
8075 TARGET_BROKEN_SAVERESTORE): Remove.
8076 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8078 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8080 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8083 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
8085 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8087 * cpplib.c (do_pragma_implementation): Fix off-by-one error
8088 truncating a string. Don't assume tokens are nul terminated.
8089 Problem noted by Andreas Jaeger <aj@suse.de>
8091 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8093 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
8094 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
8095 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
8097 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
8099 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
8100 STRUCTURE_SIZE_BOUNDARY.
8102 2000-03-13 Mark Mitchell <mark@codesourcery.com>
8104 * tree.h (record_layout_info_s): New structure.
8105 (record_layout_info): New type.
8106 (new_record_layout_info): New function.
8107 (layout_field): Likewise.
8108 (finish_record_layout): Likewise.
8109 * stor-layout.c (layout_record): Remove.
8110 (new_record_layout_info): New function.
8111 (layout_field): New function, broken out from layout_record.
8112 (finalize_record_size): Likewise.
8113 (compute_record_mode): Likewise.
8114 (finalize_type_size): New function, broken out from layout_type.
8115 (finish_record_layout): Likewise.
8116 (layout_type): Use them.
8118 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8120 * cpphash.c: Don't include version.h.
8121 (special_symbol) [case T_VERSION]: Look for the string in
8122 hp->value.cpval; don't use version_string.
8123 * cppinit.c (initialize_builtins): Set hp->value.cpval for
8124 __VERSION__ to version_string.
8125 * Makefile.in (cpphash.o): Update deps.
8127 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8129 Convert cpplib to use libiberty/hashtab.c.
8131 * cpplib.h (struct cpp_reader): Make hashtab and
8132 all_include_files of type 'struct htab *'. Delete HASHSIZE
8133 and ALL_INCLUDE_HASHSIZE macros.
8135 * cpphash.h: Update prototypes.
8136 (struct hashnode): Remove next, prev, and bucket_hdr members.
8137 Make length a size_t. Add hash member.
8138 (struct ihash): Remove next member. Add hash member. Make
8139 name a flexible array member.
8141 * cppfiles.c: Include hashtab.h.
8142 (include_hash): Delete.
8143 (IHASHSIZE): New macro.
8144 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
8145 (cpp_included): Do the hash lookup here.
8146 (_cpp_find_include_file): Rewrite.
8147 (cpp_read_file): Put the "fake" hash entry into the hash
8148 table. Honor the control_macro, if it turns out we've seen
8149 the file before. Don't push the buffer here.
8150 (_cpp_read_include_file): Push the buffer here.
8151 (OMODES): New macro. Use it whenever we call open(2).
8153 * cpphash.c: Include hashtab.h.
8154 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
8155 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
8156 _cpp_lookup_slot): New functions.
8157 (HASHSIZE): new macro.
8158 (hashf, _cpp_install, _cpp_delete_macro): Delete.
8159 (_cpp_lookup): Use hashtab.h routines.
8161 * cppinit.c: Include hashtab.h.
8162 (cpp_reader_init): Call _cpp_init_macro_hash and
8163 _cpp_init_include_hash. Don't allocate hashtab directly.
8164 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
8165 pfile->all_include_files.
8166 (initialize_builtins): Use _cpp_make_hashnode and
8167 htab_find_slot to add hash entries.
8168 (cpp_finish): Just call _cpp_dump_macro_hash.
8169 * cpplib.c: Include hashtab.h.
8170 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
8171 create hash entries.
8172 (do_pragma_poison, do_assert): Likewise.
8173 (do_include): Don't push the buffer here. Don't increment
8174 system_include_depth unless _cpp_read_include_file succeeds.
8175 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
8177 (do_pragma_implementation): Use alloca to create copy.
8179 * Makefile.in: Update dependencies.
8181 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8183 * cppinit.c (cl_directive_handler): More K&R fixing.
8185 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
8187 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
8189 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
8191 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8193 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
8194 Change from char[] to macros.
8196 2000-03-12 Neil Booth <NeilB@earthling.net>
8198 * cppinit.c (cpp_start_read): Update indirect function
8201 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
8203 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
8206 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8207 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
8209 2000-03-11 Neil Booth <NeilB@earthling.net>
8211 * cppinit.c (struct pending option): Replace undef with a
8212 pointer to a directive handling routine.
8213 (struct cpp_pending): Replace separate assert_ and define_
8214 lists with one directive_ list.
8215 (new_pending_define): Rename new_pending_directive. Extra
8216 argument is the directive's handling routine.
8217 (handle_option): Update to use new_pending_directive.
8219 2000-03-11 Neil Booth <NeilB@earthling.net>
8221 * cppfiles.c (file_cleanup, _cpp_find_include_file,
8222 remap_filename, _cpp_read_include_file, actual_directory,
8223 hack_vms_include_specification): Replace bcopy(), index() etc
8224 calls. Add casts to some allocations. Make some variables
8225 pointers to const [unsigned] char.
8226 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
8227 collect_formal_parameters): Similarly.
8228 * cppinit.c (struct pending_option, append_include_chain,
8229 cpp_options_init, cpp_reader_init, initialize_standard_includes,
8230 cpp_start_read, new_pending_define, handle_option): Similarly.
8231 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
8232 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
8233 do_pragma_implementation, detect_if_not_defined,
8234 do_ifdef, skip_if_group, cpp_get_token, parse_string,
8235 do_assert, do_unassert): Similarly.
8236 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
8237 function prototypes.
8238 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
8240 2000-03-10 Richard Henderson <rth@cygnus.com>
8242 * builtins.c (expand_builtin_strlen): Revert last change.
8243 Use emit_insn_before if we're at the beginning of a sequence.
8245 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
8247 * builtins.c (expand_builtin_strlen): Make sure that we have something
8248 at the beginning of the sequence.
8250 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
8253 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
8255 2000-03-10 Richard Henderson <rth@cygnus.com>
8257 * except.c (can_throw): Use INTVAL on a CONST_INT.
8258 (reachable_handlers): Likewise.
8259 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
8261 2000-03-10 Andreas Jaeger <aj@suse.de>
8263 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
8264 MD_STARTFILE_PREFIX since those are not needed on linux.
8265 (ASM_FILE_START): New, from mips/gnu.h.
8267 2000-03-09 Richard Henderson <rth@cygnus.com>
8268 Alex Samuel <samuel@codesourcery.com> and others
8270 * Makefile.in (ssa.o): New rule.
8272 (STAGESTUFF): Add *.ssa and *.ussa.
8273 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
8274 * rtl.def (PHI): New RTL expression.
8275 * rtl.h (clear_log_links): New declaration.
8276 (convert_to_ssa): Likewise.
8277 (convert_from_ssa): Likewise.
8278 * flow.c (split_edge): If the entry node falls through to the
8279 split edge's source block, split the entry edge.
8280 (clear_log_links): New function.
8281 * toplev.c (ssa_dump): New variable.
8282 (flag_ssa): Likewise.
8283 (f_options): Add "ssa".
8284 (compile_file): Create SSA dump files.
8285 (rest_of_compilation): Go to and from SSA if enabled.
8286 (decide_d_option): Handle -de for SSA dump files.
8289 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
8291 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
8294 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
8296 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
8298 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
8300 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
8301 (MD_STARTFILE_PREFIX_1): New macro.
8303 2000-03-09 Robert Lipe <robertl@sco.com>
8305 * config/ia64/ia64.c: Include system.h.
8307 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8309 * except.c (nothrow_function_p): If -fno-exceptions, just return.
8310 (init_eh_nesting_info): Likewise.
8312 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
8313 (TREE_NOTHROW): Rename from TREE_RAISES.
8314 * toplev.c (rest_of_compilation): Set it.
8315 * print-tree.c (print_node): Adjust.
8316 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
8317 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
8318 * calls.c (emit_call_1): Add 'nothrow' parm. Add
8319 REG_EH_REGION note as appropriate.
8320 (libfunc_nothrow): New fn.
8321 (emit_library_call, emit_library_call_value): Use it.
8322 (expand_call): Check TREE_NOTHROW.
8324 * varasm.c (make_decl_rtl): Skip initial '*' when setting
8325 DECL_ASSEMBLER_NAME.
8327 2000-03-09 Andreas Jaeger <aj@suse.de>
8329 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
8330 (TARGET_MEM_FUNCTIONS): Define.
8332 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8334 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
8336 * except.c (can_throw): See through a SEQUENCE.
8337 (nothrow_function_p): New fn.
8338 * except.h: Declare it.
8339 * function.c (current_function_nothrow): New var.
8340 (prepare_function_start): Initialize it.
8341 * output.h: Declare it.
8342 * toplev.c (rest_of_compilation): Set it.
8343 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
8345 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
8347 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
8348 match. (cpp_compare_defs): Count the nul separator when
8349 advancing over argument names.
8351 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
8353 * recog.c (preprocess_constraints): Matching constraints affect
8354 same alternative/different operand, not same operand/different
8357 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
8358 register and a constant specially.
8360 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8362 * libgcc2.h: New file.
8363 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
8365 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
8367 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
8368 * configure: Regenerate.
8371 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8373 * Makefile.in (LIBCPP_DEPS): New macro.
8374 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
8376 * cpperror.c: Include cpphash.h.
8377 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
8379 (lex): Don't use CPP_WARN_UNDEF.
8380 (_cpp_parse_expr): Return an int, the truth value.
8381 * cppfiles.c: Include cpphash.h.
8382 (_cpp_merge_include_chains): Move to cppinit.c and make static.
8383 * cppinit.c (include_defaults_array): Disentangle.
8384 (cpp_cleanup): Don't free the if stack here.
8385 (cpp_finish): Pop off all buffers, not just one.
8386 * cpplib.c (eval_if_expr): Return int.
8387 (do_xifdef): Rename do_ifdef.
8388 (handle_directive): Don't use CPP_PREPROCESSED.
8389 (cpp_get_token): Don't use CPP_C89.
8390 * fix-header.c: Don't use CPP_OPTIONS.
8392 * cpplib.h: Move U_CHAR, enum node_type, struct
8393 file_name_list, struct ihash, is_idchar, is_idstart,
8394 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
8395 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
8396 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
8397 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
8398 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
8399 of _cpp_simplify_pathname, _cpp_find_include_file,
8400 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
8401 Move struct if_stack to cpplib.c. Move struct cpp_pending to
8403 Change all uses of U_CHAR to be unsigned char instead.
8404 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
8406 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8408 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
8409 (dwarf2out_begin_prologue): Set it.
8410 (output_call_frame_info): Don't emit EH unwind info for leaves.
8412 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
8413 can occur outside of an EH region.
8414 * except.c: Correct comments about rethrow behavior.
8415 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
8417 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
8419 * flow.c (make_edges): Always call make_eh_edge for calls.
8421 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8423 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
8424 (struct cpp_buffer): Remove fname and underflow fields.
8425 (struct cpp_reader): Remove get_token field.
8426 (struct include_hash): Rename to struct ihash. Add typedef to
8428 (struct if_stack): Remove fname field.
8429 (IF_STACK_FRAME): Rename to IF_STACK.
8431 * cpperror.c (print_containing_files): Trust that there are no
8432 macro buffers below the top file buffer.
8433 * cppfiles.c: Replace all references to 'struct include_hash'
8434 with 'IHASH'. Rename initialize_input_buffer to
8435 init_input_buffer. Don't set or reference cpp_buffer->fname,
8436 use buffer->ihash->name instead.
8437 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
8438 not CPP_NULL_BUFFER.
8439 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
8440 IF_STACK_FRAME, IHASH not struct include_hash.
8441 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
8442 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
8443 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
8444 references to cpp_buffer->fname (delete entirely, or use
8445 ->ihash->name instead) and IF_STACK->fname.
8446 (cpp_push_buffer): Don't set new->underflow.
8447 (do_include): Use cpp_file_buffer.
8449 * cpphash.c (collect_formal_parameters): Remove duplicate
8450 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
8451 used as a macro argument name. Don't append "..." to namebuf
8452 for varargs macros. After we're done scanning, go through
8453 namebuf and make it NUL separated, not comma separated.
8454 (_cpp_compare_defs): Remove register tag from variables.
8455 Expect defn->argnames to be NUL separated.
8456 (_cpp_dump_definition): Expect defn->argnames to be NUL
8457 separated and in forward order.
8458 * cpphash.h: Update documentation of argnames field.
8460 2000-03-08 Richard Henderson <rth@cygnus.com>
8462 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
8463 to fail. Don't pre-expand the source operand.
8465 * i386.md (strlensi): Initialize eoschar and align before use.
8467 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8469 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
8470 CONSTRUCTOR element.
8472 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
8474 * mips.c (mips_expand_prologue): If the last
8475 named argument is the vararg marker "va_list", treat it as
8476 an unnamed argument.
8478 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
8480 * dbxout.c (dbxout_parms): When correcting for promoted
8481 big-endian parameters, use the mode of the DECL_RTL rather
8482 than UNITS_PER_WORD.
8484 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
8486 * c-common.h (make_fname_decl): Declare.
8487 * c-common.c (make_fname_decl): Define.
8488 (declare_hidden_char_array): Remove.
8489 (declare_function_name): Use make_fname_decl.
8490 * c-decl.c (c_make_fname_decl): New function.
8491 (init_decl_processing): Set make_fname_decl.
8493 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
8495 * cccp.c (handle_directive): Initialize backslash_newlines_p.
8497 2000-03-07 Philipp Thomas <pthomas@suse.de>
8499 * po/POTFILES.in: Remove cppalloc.c from file list.
8501 2000-03-07 Steve Chamberlain <sac@pobox.com>
8503 * pj.c (pj_expand_prologue): current_function->args_info is
8504 now current_function_args_info.
8506 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
8507 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
8508 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
8510 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8512 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
8513 output as hexadecimal rather than the default octal.
8515 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8517 * cpphash.c (special_symbol): Fix thinko in previous commit.
8519 2000-03-07 Neil Booth <NeilB@earthling.net>
8521 * cppexp.c (struct operation, left_shift, right_shift,
8522 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
8523 "int"s to "unsigned int"s.
8524 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
8526 * cpplib.h: Update for above.
8527 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
8528 returned from allocations.
8530 * cppinit.c (opt_comp, parse_options): New functions.
8531 (handle_option): Use parse_option to parse a single command
8532 line option, that possibly takes an argument.
8533 (cpp_handle_options): Sort the array of command line options on
8534 first invocation (non-ASCII hosts only).
8535 (print_help): Update.
8537 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8539 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
8540 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
8542 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
8544 * cppinit.c (cpp_cleanup): Free imp->nshort also.
8546 * cpperror.c (cpp_print_containing_files,
8547 cpp_print_file_and_line, v_cpp_message): Rename to
8548 print_containing_files, print_file_and_line, and v_message.
8549 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
8550 to _cpp_parse_expr, parse_escape, and lex.
8551 (parse_charconst): Remove broken multibyte support.
8552 * cppfiles.c (include_hash): Make static.
8553 (cpp_included): New function.
8554 (merge_include_chains, find_include_file, finclude,
8555 simplify_pathname): Rename to _cpp_merge_include_chains,
8556 _cpp_find_include_file, _cpp_read_include_file, and
8557 _cpp_simplify_pathname.
8558 * cpphash.c (cpp_lookup, free_definition, delete_macro,
8559 cpp_install, create_definition, macroexpand, compare_defs,
8560 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
8561 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
8562 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
8563 * cppinit.c (cpp_handle_option): Rename to handle_option, make
8565 * cpplib.c: Remove extern prototype of cpp_parse_expr.
8567 * cpphash.h: Update prototypes.
8568 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
8570 2000-03-07 Andrew Haley <aph@cygnus.com>
8572 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
8573 PTRDIFF_TYPE should be based solely on Pmode.
8576 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8578 * rtl.h (rtunion_def): Constify member `rtstr'.
8579 (emit_line_note_after, emit_line_note, emit_line_note_force,
8580 emit_note, decode_asm_operands): Constify.
8582 * cse.c (canon_hash): Likewise.
8584 * dbxout.c (dbxout_block): Likewise.
8586 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
8587 v_warning_for_asm): Likewise.
8589 * dwarfout.c (function_start_label): Likewise.
8591 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
8592 emit_line_note_force): Likewise.
8594 * final.c (last_filename, asm_insn_count, final_scan_insn,
8595 output_source_line): Likewise.
8597 * function.h (struct emit_status): Likewise.
8599 * gcse.c (hash_expr_1): Likewise.
8601 * genattr.c (gen_attr, main): Likewise.
8603 * genattrtab.c (struct function_unit, current_alternative_string,
8604 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
8605 attr_numeral, check_attr_test, check_attr_value,
8606 convert_set_attr_alternative, convert_set_attr,
8607 compute_alternative_mask, simplify_by_exploding, gen_attr,
8608 gen_unit): Likewise.
8610 * genflags.c (gen_insn): Likewise.
8612 * gengenrtl.c (type_from_format): Likewise.
8614 * genopinit.c (gen_insn): Likewise.
8616 * genoutput.c (n_occurrences, process_template, process_template):
8619 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8622 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8625 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
8626 ggc_set_mark, ggc_get_size): Likewise.
8628 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
8630 * optabs.c (init_one_libfunc): Likewise.
8632 * output.h (assemble_start_function): Likewise.
8634 * recog.c (decode_asm_operands): Likewise.
8636 * toplev.c (rest_of_compilation): Likewise.
8638 * tree.h (emit_line_note_after, emit_line_note,
8639 emit_line_note_force): Likewise.
8641 * varasm.c (asm_output_bss, asm_output_aligned_bss,
8642 asm_emit_uninitialised, assemble_start_function,
8643 assemble_variable, const_hash, compare_constant_1,
8644 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
8646 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
8648 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
8650 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
8652 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
8654 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
8655 arm_dllimport_name_p): Likewise.
8657 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
8660 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
8662 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8664 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
8665 arm_mark_dllexport, arm_mark_dllimport,
8666 arm_pe_encode_section_info): Likewise.
8668 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
8669 ASM_FINISH_DECLARE_OBJECT): Likewise.
8671 * arm/thumb.c (thumb_function_prologue): Likewise.
8673 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
8675 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8677 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
8679 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
8681 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
8683 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8685 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
8686 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
8688 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
8690 * i386/i386.c (asm_output_function_prefix): Likewise.
8692 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
8694 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8696 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
8698 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
8699 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
8700 ASM_OUTPUT_SECTION_NAME): Likewise.
8702 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
8704 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
8706 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
8708 * m32r/m32r.c (m32r_encode_section_info): Likewise.
8710 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8712 * mcore/mcore.c (mcore_encode_section_info): Likewise.
8714 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8716 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8718 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8720 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
8722 * mips/mips.md (movdi, movsi): Likewise.
8724 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8726 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8728 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8730 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8731 ASM_OUTPUT_ASCII): Likewise.
8733 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
8734 output_mi_thunk, output_toc): Likewise.
8736 * rs6000/rs6000.md (movsi): Likewise.
8738 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
8740 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
8742 * v850/v850.c (print_operand, print_operand_address,
8743 v850_encode_data_area): Likewise.
8745 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
8747 * config/mips/mips.md (zero_extendsidi2): Always force operand
8748 one to memory for mips16.
8750 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8752 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
8753 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
8754 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
8755 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
8756 (min_precision): Result is unsigned.
8757 (add_double, neg_double, mul_double): Low word is unsigned.
8758 (lshift_double, rshift_double, lrotate_double): Likewise.
8759 (rrotate_double, div_and_round_double): Likewise.
8760 (tree_floor_log2, compare_tree_int): New functions.
8761 (preserve_rtl_expr_temps): New declaration.
8762 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
8763 (decl_attributes): Use tree_log2 to find alignment.
8764 Check for TREE_INT_CST_HIGH for format args.
8765 (min_precision): Now unsigned.
8766 Use tree_floor_log2.
8767 (truthvalue_conversion): Delete long-disabled code.
8768 * c-decl.c (finish_struct): Clean up tests on field width.
8769 (finish_function): Use compare_tree_int.
8770 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
8771 * c-typeck.c (comptypes): Use tree_int_cst_equal.
8772 (default_conversion, digest_init): Use compare_tree_int.
8773 (build_binary_op): Use integer_all_onesp and compare_tree_int.
8774 Fix type errors in forming masks.
8775 * calls.c (initialize_argument_information): Use compare_tree_int.
8776 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8777 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
8778 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
8779 (store_field): Use compare_tree_int.
8780 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
8781 (expand_expr, case ARRAY_REF): Use compare_tree_int.
8782 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
8783 (do_store_flag): Use compare_tree_int.
8784 * fold-const.c (encode, decode): Low part is always unsigned.
8785 (force_fit_type, add_double, neg_double, mul_double): Likewise.
8786 (lshift_double, rshift_double, lrotate_double): Likewise.
8787 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
8788 (fold_convert): Use compare_tree_int.
8789 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
8790 (invert_truthvalue, case INTEGER_CST): Likewise.
8791 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
8792 * mkdeps.c (deps_dummy_targets): Make I unsigned.
8793 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
8794 (lshift_double, rshift_double, lrotate_double, rrotate_double):
8796 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
8797 (expand_end_case): Use compare_tree_int.
8798 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8799 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
8800 (layout_decl): Likewise.
8801 (layout_record, layout_union): Make sizes unsigned.
8802 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
8803 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
8804 * tree.c (struct type_hash): hashcode is unsigned.
8805 (build_type_attribute_variant, type_hash_list): Likewise.
8806 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
8807 (attribute_hash_list, build_array_type, build_method_type): Likewise.
8808 (build_complex_type): Likewise.
8809 (real_value_from_int_cst): Remove unneeded casts.
8810 (integer_all_onesp): Add casts.
8811 (tree_floor_log2, compare_tree_int): New functions.
8812 (build_index_type): Use tree_int_cst_sgn.
8813 * varasm.c (assemble_variable): Use compare_tree_int.
8815 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
8817 * cpphash.c (collect_expansion): Also catch ## at start of macro.
8819 * varasm.c (make_decl_rtl): Don't add a number to members of
8821 (make_function_rtl): Likewise.
8823 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8825 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
8826 patch from 2000-01-28.
8828 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
8830 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
8831 filled with an insn from the jump target.
8833 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8835 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
8836 (c4x_external_ref): Likewise.
8837 * config/c4x/c4x.c (struct name_list): Likewise.
8839 1999-12-16 Ben Collins <bcollins@debian.org>
8841 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
8842 argument to genmultilib.
8843 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
8844 the contents into the multilib.h header.
8845 * gcc.c: Declare multilib_exclusions for the specs file.
8846 (set_multilib_dir): Use it.
8847 (print_multilib_info): Likewise.
8848 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
8849 to pass to genmultilib.
8851 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8853 * builtins.c (built_in_class_names, built_in_names): Constify a
8856 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
8858 (_mcleanup): Ensure value matches format specifier in sprintf.
8860 * cpphash.c (special_symbol): Don't needlessly cast away
8863 * cppinit.c (base_name): Delete unused prototype.
8865 * mkdeps.c (deps_init): Make definition K&R safe.
8867 * tree.h (built_in_class_names, built_in_names): Constify a
8870 2000-03-06 Jakub Jelinek <jakub@redhat.com>
8872 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
8873 floating point instructions for epilogue delay.
8875 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
8876 to gas if it supports .register pseudo.
8878 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
8879 LONG_DOUBLE_TYPE_SIZE if not defined.
8880 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
8881 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
8883 * gengenrtl.c: Likewise.
8884 * print-rtl.c: Likewise.
8886 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
8887 MASK_LONG_DOUBLE_128.
8888 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
8889 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
8890 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
8891 (SUBTARGET_SWITCHES): Define.
8892 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
8893 with -mlong-double-128.
8894 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8895 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8896 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8897 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
8898 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
8899 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
8900 with -mlong-double-128.
8901 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8902 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8903 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8904 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
8905 TARGET_LONG_DOUBLE_128): Define.
8906 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
8907 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
8908 long double on TARGET_ARCH64.
8910 2000-03-06 Mark Mitchell <mark@codesourcery.com>
8912 * function.c (free_temps_for_rtl_expr): Don't free slots
8913 that have been pushed into a higher level.
8916 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8918 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8920 * basic-block.h (ALLOCA_REG_SET): Remove.
8921 (INITIALIZE_REG_SET): New macro.
8922 * flow.c (update_life_info): Use it.
8923 (calculate_global_regs_live): Likewise.
8924 (propagate_block): Likewise.
8925 * global.c (build_insn_chain): Likewise.
8926 * haifa-sched.c (schedule_region): Likewise.
8928 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
8930 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
8931 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
8932 (DWARF_ARANGES_PAD_SIZE): New define.
8933 (output_aranges): Use it to pad the address range header.
8934 (DWARF_ROUND): Fix for non power of 2 rounding.
8936 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
8938 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
8940 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8942 * tree.def (RTL_EXPR): Update documentation.
8943 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
8944 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
8945 * function.c (preserve_rtl_expr_temp): New function.
8946 (preserve_rtl_expr_temps): Likewise.
8947 (preserve_rtl_expr_result): Use it.
8950 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8952 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
8954 * regmove.c (copy_src_to_dest) Do not create src->dest move
8955 for unchanging destination.
8957 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8959 * function.h (struct sequence_stack): Remove rtl_expr.
8960 (struct emit_staus): Likewise.
8961 (seq_rtl_expr): Remove.
8962 * tree.h (free_temps_for_rtl_expr): Don't declare.
8963 (start_sequence_for_rtl_expr): Likewise.
8964 * rtl.h (preserve_rtl_expr_result): Likewise.
8965 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
8966 (start_sequence_for_rtl_expr): Remove.
8967 (push_topmost_sequence): Don't save sequence_rtl_expr.
8968 (pop_topmost_sequence): Remove comment about not restoring it.
8969 (end_sequence): Don't set seq_rtl_expr.
8970 (init_emit): Don't initialize it.
8971 (mark_sequence_stack): Don't mark it.
8972 (mark_emit_status): Likewise.
8973 * except.c (protect_with_terminate): Use
8974 start_sequence_for_rtl_expr, not start_sequence.
8975 * expr.c (expand_expr, case RTL_EXPR): Don't call
8976 preserve_rtl_expr_result or free_temps_for_rtl_expr.
8977 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
8978 (preserve_rtl_expr_result): Remove.
8979 (free_temps_for_rtl_expr): Likewise.
8980 (pop_temp_slots): Likewise.
8981 (mark_temp_slot): Don't mark the rtl_expr.
8982 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
8983 start_sequence_for_rtl_expr.
8985 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
8987 * mkdeps.c, mkdeps.h: New files.
8988 * po/POTFILES.in: Add them.
8989 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
8990 (cpplib.o, cppinit.o): Depend on mkdeps.h.
8991 (mkdeps.o): New target.
8993 * cppfiles.c: Delete deps_output.
8994 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
8995 OBJECT_SUFFIX, and base_name.
8996 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
8998 (initialize_dependency_output): Use deps_init,
8999 deps_add_target, deps_calc_target, and deps_add_dep. Remove
9000 all the unnecessary string bashing.
9001 (cpp_finish): Use deps_write. Remove an unnecessary nesting
9003 * cpplib.c (do_include): Use deps_add_dep.
9004 * cpplib.h (struct cpp_reader): Replace deps_buffer,
9005 deps_allocated_size, deps_size, deps_column members with
9006 single pointer to a struct deps. Delete prototype of
9009 * cppinit.c: Fix thinko in previous patch.
9011 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9013 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
9014 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
9015 (mode_for_size_tree): New function.
9016 (layout_decl, layout_type): Call it and clean up BLKmode checks.
9017 * tree.h (mode_for_size_tree): New declaration.
9019 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
9021 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
9023 * stmt.c (is_body_block): Move...
9024 * dwarfout.c, dwarf2out.c: ...from here.
9025 * tree.h: Declare it.
9026 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
9027 * final.c (final_start_function): Do call remove_unnecessary_notes
9030 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9032 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
9034 * cpplib.h (_dollar_ok): New macro.
9035 (is_idchar, is_idstart): Use it.
9036 (IStable): Rename to _cpp_IStable. Declare it const if
9037 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
9038 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
9039 is_space): Update for renamed IStable.
9041 * cppinit.c: Delete all references to FAKE_CONST and CAT
9042 macros. Define init_IStable as empty macro if gcc >=2.7 or
9043 C99. Change TABLE() to ISTABLE and hardcode name of table.
9044 (cpp_start_read): Don't change the IStable based on
9047 * cpphash.c (unsafe_chars): Add pfile argument. All callers
9048 changed. Handle '$' for char1 correctly.
9049 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
9051 * cppexp.c (tokentab2): Make const.
9052 (cpp_lex): Make toktab const.
9053 * cppinit.c (include_defaults_array): Make const.
9054 (initialize_standard_includes): Make default_include const.
9056 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9058 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
9059 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
9060 (gen_decl_die): Likewise.
9061 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
9062 (output_decl): Likewise.
9064 * varasm.c (make_function_rtl): If we change the name used in the
9065 rtl, update DECL_ASSEMBLER_NAME accordingly.
9066 (make_decl_rtl): Likewise.
9068 * toplev.c (rest_of_compilation): Tweak formatting.
9070 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
9071 remove_unnecessary_notes.
9072 (debug_ignore_block): New fn.
9073 * toplev.h: Declare it.
9074 * emit-rtl.c (remove_unncessary_notes): Call it.
9075 * dwarf2out.c (dwarf2out_ignore_block): New fn.
9076 * dwarf2out.h: Declare it.
9077 * final.c (final_start_function): Don't call remove_unnecessary_notes
9078 if we did insn scheduling.
9080 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9082 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
9083 * cpplib.h: Delete SET_CPP_PEDANTIC.
9085 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9087 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
9088 result is a RECORD_TYPE.
9090 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
9092 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
9094 2000-03-03 Richard Henderson <rth@cygnus.com>
9096 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
9097 addition over compliments over shifts.
9099 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9101 * reload1.c (reload_combine_note_use): Handle return register USEs.
9102 REG case: Handle multi-hard-register hard regs.
9104 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9106 * md.texi: Document use of '*' in insn pattern name.
9108 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9110 * calls.c (special_function_p): operator new may not be malloc-like.
9112 * gcse.c (dump_hash_table): Really fix error in last change.
9114 2000-03-02 Denis Chertykov <denisc@overta.ru>
9116 * avr.c (print_operand): Use print_operand_address instead of
9118 * avr/libgcc.S: Cleanup code.
9120 2000-03-02 Richard Henderson <rth@cygnus.com>
9122 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
9124 2000-03-02 Mark Mitchell <mark@codesourcery.com>
9126 * tree.h (TYPE_ALIGN_UNIT): New macro.
9128 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
9130 * i386.c: (constant_call_address_operand): Reject CONST_INT.
9132 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
9134 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
9136 (SET_CPP_PEDANTIC): New macro.
9137 * cpplib.c (do_include): Don't bother checking system_header_p.
9138 (do_warning, do_ident, do_assert, do_unassert): Likewise.
9139 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
9141 * function.h (struct expr_status): Add x_arg_space_so_far.
9142 (arg_space_so_far): New macro.
9143 * expr.c (init_expr): Initialize it.
9144 * calls.c (emit_call_1): Reset it.
9145 (compute_argument_block_size, expand_call): Use it.
9146 (expand_call, store_one_arg): Increment it.
9148 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9150 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
9153 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
9155 * cppfiles.c (cpp_read_file): New function.
9157 * cpphash.c (collect_expansion): Make sure to reset last_token
9158 to NORM when we hit a string. Handle trailing whitespace
9159 properly when the expansion is empty.
9160 (create_definition): Disable line commands while parsing the
9162 (dump_definition): If pfile->lineno == 0, output a line
9163 command ahead of the dump, and add a trailing newline.
9165 * cppinit.c (append_include_chain): Add fifth argument, which
9166 indicates whether or not system headers are C++ aware.
9167 (initialize_standard_includes): New function,
9168 broken out of read_and_prescan. Pass 'cxx_aware' value from
9169 the include_defaults_array on to append_include_chain.
9170 (dump_special_to_buffer): Const-ify char array.
9171 (builtin_array): Don't dump __BASE_FILE__.
9172 (cpp_start_read): Use cpp_read_file. Reorder code for
9173 clarity. Don't output line commands here for -D/-A/-U
9174 switches. Don't call deps_output for files included with
9175 -include or -imacros.
9177 * cpplib.c (do_define): Don't pay any attention to the second
9179 (cpp_expand_to_buffer): Disable line commands while scanning.
9180 (output_line_command): Work in the file buffer.
9181 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
9182 Fix formatting of comments. Prototype cpp_read_file.
9184 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9186 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
9187 reference the language-equivalent of sizetype.
9188 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
9189 * fold-const.c (size_binop, size_diffop): Put back checks.
9190 * gcse.c (dump_hash_table): Fix minor error in last change.
9191 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
9192 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
9195 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
9197 * calls.c (expand_call) Do not attempt to combine stack adjustments
9198 with inhibit_defer_pop set.
9200 2000-03-01 Mark Mitchell <mark@codesourcery.com>
9202 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
9203 the DECL_SIZE for a FIELD_DECL.
9205 2000-03-01 Bruce Korb <bkorb@gnu.org>
9207 * fixinc/inclhack.tpl: remove unused symlinks
9208 * fixinc/README: GCC Maintainer info
9209 * fixinc/inclhack.sh: regen
9210 * fixinc/fixincl.sh: regen
9212 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
9214 * cpphash.c (collect_expansion): Trim trailing white space
9215 from macro definitions, but don't go past the last insertion
9218 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
9220 * i386.md (mulqi3): New pattern.
9222 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
9224 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
9226 (struct cpp_reader): Add parsing_if_directive and
9227 parsing_define_directive flags.
9228 (struct cpp_options): Remove output_conditionals flag.
9229 (check_macro_name): Delete prototype.
9231 * cpphash.h (struct macrodef): Delete.
9232 (struct reflist): Separate from struct definition.
9233 (struct definition): Remove unused fields. Add column number.
9234 (create_definition): Returns a DEFINITION *. Takes a
9235 cpp_reader * and an int.
9237 * cpphash.c (SKIP_WHITE_SPACE): Delete.
9238 (PEEKC): Copy defn from cpplib.c.
9239 (rest_extension, REST_EXTENSION_LENGTH): Delete.
9241 (struct arglist): Simplify.
9242 (collect_expansion): Rewrite. Get tokens by calling
9243 cpp_get_token. Add more error checking.
9244 (collect_formal_parameters): New function, broken out of
9245 create_definition and reworked to use get_directive_token.
9246 (create_definition): All real work is now in collect_expansion
9247 and collect_formal_parameters. do_define handles finding the
9248 macro name. Return a DEFINITION, not a MACRODEF.
9249 (macroexpand): Replace bcopy with memcpy throughout. Replace
9250 character-at-a-time copy loop with memcpy and pointer increments.
9251 (compare-defs): d1->argnames / d2->argnames might be null.
9253 * cpplib.c (copy_rest_of_line): Delete function.
9254 (skip_rest_of_line): Do all the work ourselves.
9255 (skip_string): New function.
9256 (parse_string): Use skip_string.
9257 (get_macro_name): New function.
9258 (check_macro_name): Delete.
9259 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
9260 (cpp_skip_hspace): Use CPP_BUMP_LINE.
9261 (handle_directive): ICE if we're called on a macro buffer.
9262 (do_define): Determine macro name and type (funlike/objlike)
9263 here. Expunge all uses of MACRODEF.
9264 (cpp_push_buffer): Set line_base to NULL.
9265 (do_undef, read_line_number): Don't worry about getting a POP token.
9266 (eval_if_expression): Set/reset parsing_if_directive around
9267 cpp_parse_expr. Don't clear only_seen_white.
9268 (skip_if_group): Remove output_conditionals logic. Use
9270 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
9271 tokens under appropriate conditions.
9272 (cpp_unassert): Call do_unassert not do_assert. Oops.
9274 * cppexp.c (parse_defined): New function, break out of
9276 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
9277 ourselves, with cpp_defined.
9278 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
9280 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
9281 * gcc.dg/strpaste-2.c: New.
9283 2000-02-29 Mark Mitchell <mark@codesourcery.com>
9285 * fold-const.c (size_binop): Don't asert inputs are the same and
9286 have TYPE_IS_SIZETYPE set.
9287 (size_diffop): Likewise.
9289 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
9291 * dwarfout.c (output_block): Output abstract blocks even if they
9292 don't have TREE_ASM_WRITTEN set.
9294 * calls.c (emit_library_call): Check for null REG.
9296 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
9298 * c-decl.c (current_function_decl): Move to toplev.c.
9299 (init_decl_processing): Don't add current_function_decl as a ggc
9301 * dbxout.c (dbxout_symbol): Change return type to int.
9302 (dbxout_symbol_location, dbxout_syms): Likewise.
9303 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
9304 any locals. Use current_function_func_begin_label if set.
9305 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
9306 * dwarf2out.c (dwarf2out_begin_prologue): Set
9307 current_function_func_begin_label.
9308 * final.c (final_start_function): Reset it.
9309 * toplev.c (current_function_decl): Define it here.
9310 (current_function_func_begin_label): New variable.
9311 (main): Add both as ggc roots.
9312 * tree.h (current_function_func_begin_label): Declare.
9314 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9316 * gcse.c: Cleanups throughout: mostly white-space, but also
9317 some minor rearrangement of code.
9319 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
9321 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
9322 returns a PARALLEL. Use emit_group_load and use_group_regs
9324 (emit_library_call_value): Similarly.
9326 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
9327 * pa/quadlib.asm: Remove.
9328 * pa/quadlib.c: New file.
9330 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
9331 * configure: Rebuilt.
9333 2000-02-29 Philip Blundell <pb@futuretv.com>
9335 * config/arm/conix-elf.h: New file.
9336 * configure.in (arm*-*-conix*): New configuration.
9337 * configure: Regenerate.
9339 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
9341 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
9342 don't have TREE_ASM_WRITTEN set.
9344 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9346 * Eliminate DECL_FIELD_SIZE.
9347 * builtins.c (built_in_class_names, built_in_names): New variables.
9348 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
9349 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
9350 DECL_SIZE, not DECL_FIELD_SIZE.
9351 * print-tree.c (print_node): Remove code that prints extra blank
9352 lines in some cases.
9353 Properly handle inline and builtin function cases.
9354 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
9355 * tree.h (built_in_class_named, built_in_names): New declarations.
9356 (union tree_decl): Rename internal unions to u1 and u2 and change
9357 some of their components.
9358 Add new field built_in_class.
9359 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
9360 Reflect above changes.
9361 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
9362 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
9363 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
9364 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
9366 2000-02-28 Dmitri Makarov <dim@windriver.com>
9368 * extend.texi: Document ARM's support for long/short calls.
9370 * invoke.texi: Document ARM's -mlong-calls command line switch.
9372 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
9373 (arm_encode_call_attribute): Add prototype.
9374 (arm_set_default_type_attribute): Add prototype.
9375 (arm_strip_name_encoding): Add prototype.
9377 * config/arm/arm.c (arm_init_cumulative_args): replace
9378 initialisation og 'long_calls' field with initialisation of
9379 'call_cookie' field.
9380 (enum arm_pragma_enum): New enum.
9381 (arm_pragma_long_calls): New static variable.
9382 (arm_process_pragma): Also process "#pragma long_calls_off".
9383 (arm_valid_type_attribute_p): Accept short_call attribute.
9384 (arm_comp_type_attributes): Check long/short call attributes.
9385 (arm_encode_call_attribute): New function: Encode long_call
9386 or short_call attribute in function name.
9387 (arm_set_default_type_attributes): New function: Assign
9388 default attributes to newly defined type.
9389 (current_file_function_operand): New function: Return true if
9390 the symbol is a function which has already been compiled.
9391 (arm_is_longcall_p): New function: Return true if the
9392 indicated function should be called via a long call.
9393 (arm_get_strip_length): New function. Returns number of
9394 prefix characters to be stripped from a function's name.
9395 (arm_strip_name_encoding): New function. Strip prefix characters
9396 from a function's name.
9398 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
9400 (SHORT_CALL_FAG_CHAR): Define.
9401 (LONG_CALL_FAG_CHAR): Define.
9402 (ENCODED_SHORT_CALL_ATTR_P): Define.
9403 (ENCODED_LONG_CALL_ATTR_P): Define.
9404 (ARM_NAME_ENCODING_LENGTHS): Define.
9405 (STRIP_NAME_ENCODING): Define.
9406 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
9407 (ARM_ENCODE_CALL_TYPE): Define.
9408 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
9409 (ARM_DECLARE_FUNCTION_SIZE): Define.
9410 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
9412 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
9413 if a long call is needed.
9414 (call_value): Ditto.
9415 (call_symbol): Ditto.
9417 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
9418 ARM_DECLARE_FUNCTION_SIZE.
9420 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
9421 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
9422 (ARM_STRIP_NAME_ENCODING): Undefine.
9423 (STRIP_NAME_ENCODING): Undefine.
9424 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
9425 (ASM_DECLARE_FUNCTION_NAME): Ditto.
9426 (ASM_OUTPUT_COMMON): Ditto.
9427 (ASM_DECLARE_OBJECT_NAME): Ditto.
9429 * config/arm/pe.c (arm_dllexport_name_p): Check for
9431 (arm_dllimport_name_p): Ditto.
9432 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
9433 (arm_mark_dllimport): Ditto.
9435 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9437 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
9439 2000-02-28 Mark Mitchell <mark@codesourcery.com>
9441 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
9443 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
9445 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
9446 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
9447 NO_BUILTIN_WCHAR_TYPE is not defined.
9448 (CPP_WCHAR_TYPE): Delete.
9449 * cccp.c (main): Don't change wchar_type if cplusplus.
9450 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
9452 2000-02-28 Nick Clifton <nickc@cygnus.com>
9454 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
9456 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
9458 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
9459 (ASM_WEAKEN_LABEL): Define.
9461 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
9463 * expr.c (store_constructor): Do not emit USE.
9464 * rtl.h (stupid_life_analysis): Remove.
9466 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9468 * function.c (number_blocks): Reset next_block_index based on
9469 what debugging format is used, not what is defined.
9471 * lcm.c: Minor reformatting throughout.
9472 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
9474 * toplev.c (rest_of_compilation): Account for time in
9475 optimize_mode_switching.
9477 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
9478 if only marking labels.
9480 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
9482 * calls.c (expand_call): Attempt to combine stack adjustments with
9483 pending stack adjustments.
9485 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9487 * loop.c (reg_in_basic_block_p): Don't abort when falling through
9488 to the end of the function.
9490 2000-02-27 Mark Mitchell <mark@codesourcery.com>
9492 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
9494 * final.c (next_block_index): Remove.
9495 (max_block_depth): Likewise.
9496 (pending_blocks): Likewise.
9497 (init_final): Don't initialize them.
9498 (final_start_function): Don't set next_block_index. Set up
9500 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
9501 * function.h (number_blocks): New function.
9502 * function.c (get_block_vector): New function.
9503 (identify_blocks): Use it.
9504 (reorder_blocks): Set NOTE_BLOCK.
9505 (number_blocks): New function.
9506 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
9507 * tree.h (BLOCK_NUMBER): New macro.
9508 (tree_block): Add block_num field.
9509 * dbxout.c (next_block_number): Remove.
9510 (dbxout_init): Don't set it.
9511 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
9512 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
9514 * toplev.c (rest_of_compilation): Always call
9515 find_loop_tree_blocks. Fix indentation.
9516 * dwarf2out.c (next_block_number): Remove.
9517 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9518 to determine block numbers.
9519 (gen_inlined_subroutine_die): Likewise.
9520 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
9521 (decls_for_scope): Don't increment next_block_number.
9522 * dwarfout.c (next_block_number): Remove.
9523 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9524 to determine block numbers.
9525 (output_inlined_subroutine_die): Likewise.
9526 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
9527 (output_decls_for_scope): Don't increment next_block_number.
9528 * sdbout.c (next_block_number): Remove.
9529 (sdbout_block): Use BLOCK_NUMBER.
9530 (sdbout_begin_block): Simplify.
9531 * xcoffout.c (next_block_number): Remove.
9532 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
9533 (xcoffout_begin_block): Don't set next_block_number.
9534 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
9537 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9539 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
9540 (expand_builtin_strcpy): Pass correct type to size_binop.
9541 (expand_builtin_strcmp): Likewise.
9542 Clean up conditional structure.
9543 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
9544 (complete_array_type): Don't use size_binop for MAXINDEX.
9545 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
9546 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
9547 (c_alignof): Use size_one_node.
9548 (build_unary_op): Pass arg of proper type to size_binop.
9549 (really_start_incremental_init, push_init_level): Use sizetype for
9550 constructor{,_bit,_unfilled}_index.
9551 (pop_init_label, output_init_element): Likewise.
9552 (output_pending_init_elements, process_init_element): Likewise.
9553 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
9554 * expr.c (store_expr): Use size_int.
9555 (store_constructor): Use proper types for size_binop args.
9556 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
9557 (expand_expr_unaligned): Likewise.
9558 (string_contant): Return object of sizetype.
9559 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
9560 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
9561 (ARGS_SIZE_TREE): Pass proper types to size_binop.
9562 * fold-const.c (int_const_binop): Refine when size_int is called.
9563 (fold_convert): Likewise.
9564 (size_int_wide): Rework to take KIND as arg, only take low order
9565 bits, handle new sizetype_tab datatype, and chain entries in
9567 (size_int_type_wide): New function.
9568 (size_binop): Validate types of arguments.
9569 (ssize_binop): Deleted.
9570 (size_diffop): New function.
9571 (extract_muldiv): Only fold division into multiplication for sizetypes.
9572 * function.c (assign_parms): Use size_diffop and make sure
9573 VAR field is of ssizetype; also pass proper type to size_binop.
9574 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
9575 (round_down): Deleted from here.
9576 * store-layout.c (sizetype_tab): Now an array.
9577 (sizetype_set, early_root_list): New variables.
9578 (variable_size): Use size_one_node.
9579 (round_up): Pass proper type to size_binop.
9580 (round_down): Moved to here and corrected as above.
9581 (layout_record): Pass proper arg types to size_binop.
9582 (layout_type): Likewise.
9583 If sizetype_set is zero, record the type just laid out.
9584 (make_unsigned_type): Don't call set_sizetype;
9585 (make_signed_type): Likewise; also, call fixup_signed_type.
9586 (initialize_sizetypes): New function.
9587 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
9588 set name of bitsizetype to "bit_size_type".
9589 Fix up type of sizes of all types made before call.
9590 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
9591 * tree.c (fix_sizetype): Deleted.
9592 (build_common_tree_nodes): Call initialize_sizetypes.
9593 (build_common_tree_nodes_2): Don't call fix_sizetype.
9594 * tree.h (TYPE_IS_SIZETYPE): New macro.
9595 (initialize_sizetype): New declaration.
9596 (enum size_type_kind): New type.
9597 (struct sizetype_tab): Deleted.
9598 (sizetype_tab): Now array; adjust sizetype macros.
9599 (size_diffop, size_int_type_wide): New functions.
9600 (size_int_wide): Change number of args and type; access macros changed.
9601 (ssize_int, sbitsize_int): New macros.
9602 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
9603 (ROUND_TYPE_SIZE_UNIT): New macro.
9605 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
9607 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
9609 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9611 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
9612 Mark as possibly unused.
9614 * cse.c (cse_insn): Delete dead code involving tablejump.
9615 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
9617 * Makefile.in (libcpp.a): Start by deleting it.
9619 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9621 * cpplib.h (enum file_change_code): Added rename_file.
9622 * cpplib.c (do_line): If a filename is given, set file_change to
9624 (output_line_command): If file_change is rename_file, always
9625 output a # directive with the file name.
9627 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
9629 2000-02-26 Mark Mitchell <mark@codesourcery.com>
9631 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
9632 when copying a PARM_DECL or RESULT_DECL.
9634 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9636 * fix-header.c (recognized_function): Also fix prototypes for
9637 functions taking "void".
9639 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9641 * reload1.c (do_output_reload): Check reg_reloaded_valid before
9642 looking at reg_reloaded_contents.
9644 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
9646 * Makefile.in (STMP_FIXINC): New toggle.
9647 (LIBGCC2_DEPS): Delete all references.
9648 (stmp-headers): Delete target. All references either deleted
9649 or changed to stmp-int-headers.
9650 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
9651 (LIBCPP_OBJS): Take out cppalloc.o.
9652 (cppalloc.o): Delete target.
9653 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
9654 (gen-protos, fix-header): Link with libiberty.a.
9655 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
9658 * configure.in: Remove refs to strerror.
9659 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
9660 * system.h: Take out strerror stanza.
9662 * cpperror.c (my_strerror): Delete function.
9663 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
9664 * cppmain.c (main): Call xmalloc_set_program_name first thing.
9665 * cppalloc.c: Delete file.
9666 * gen-protos.c: Don't provide xrealloc.
9668 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
9669 xstrerror throughout.
9671 2000-02-26 Bruce Korb <bkorb@gnu.org>
9673 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
9674 match for DOS headers, too.
9675 * fixinc/inclhack.sh,fixincl.x: Regenerate.
9677 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9679 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
9680 is right for most ELF targets.
9681 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
9682 Let the default file use %U properly.
9683 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
9686 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
9689 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9691 * toplev.c (documented_lang_options): Correct spelling error.
9692 (decode_d_option, decode_f_option, main): Likewise.
9694 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
9696 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
9697 to tell assembler it is permitted to expand large constants.
9699 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
9701 * protoize.c: (AUX_INFO_SUFFIX): New macro.
9702 (aux_info_suffix): Use.
9703 (SAVE_SUFFIX): New macro.
9705 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
9706 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
9707 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
9709 * invoke.texi (Running Protoize): Update documentation.
9711 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
9713 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
9715 2000-02-25 John Wehle (john@feith.com)
9717 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
9719 2000-02-25 Anthony Green <green@cygnus.com>
9721 * toplev.c (rest_of_compilation): Rebuild jump labels if
9722 combine_instructions has created a new direct jump.
9723 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
9725 (combine_instructions): Call try_combine with new argument.
9726 Return non-null value when new direct jump instruction is created.
9727 * rtl.h: combine_instructions returns an int.
9729 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
9731 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
9732 jump when changing a computed jump into a jump to a known
9735 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
9737 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
9738 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
9740 * i386.md (define_expand "clrstrsi"): Fix typo.
9742 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
9744 * rtl.texi: Fix typo.
9746 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9748 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
9749 UNITS_PER_WORD. Change caller initial_elimination_offset.
9750 (rounded_frame_size): Take into account that argument pushed has
9751 changed. Fix TARGET_ALIGN_DOUBLE problem.
9753 2000-02-25 Geoff Keating <geoffk@cygnus.com>
9755 * haifa-sched.c (schedule_block): Explain the real reason
9756 we delete REG_SAVE_NOTEs on the first insn of a block.
9757 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
9759 2000-02-24 Mark Mitchell <mark@codesourcery.com>
9761 * input.h (push_srcloc): New function.
9762 (pop_srcloc): Likewise.
9763 * toplev.c (push_srcloc): Define it.
9764 (pop_srcloc): Likewise.
9766 2000-02-24 Richard Henderson <rth@cygnus.com>
9768 * flow.c (life_analysis): When collecting reg info, clear
9771 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9773 Fix bug exposed by reload.c no longer rounding the frame
9774 size to BIGGEST_ALIGNMENT:
9775 * sh.c (rounded_frame_size): New function.
9776 (sh_expand_prologue, sh_expand_epilogue): Use it.
9777 (initial_elimination_offset): Likewise.
9779 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9781 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
9782 * sh-protos.h (sh_need_epilogue): Declare.
9783 * sh.c (sh_need_epilogue_known): New static variable.
9784 (sh_need_epilogue): New function.
9785 (function_epilogue): Clear need_epilogue_known.
9786 * sh.md (return): Split into expander / insn pattern.
9787 Make the expander conditional on ! sh_need_epilogue ().
9789 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
9791 * machmode.h (get_mode_alignment): Declare.
9792 (GET_MODE_ALIGNMENT): Call it.
9793 * stor-layout.c (get_mode_alignment): New function. Make
9794 sure alignment is always power of 2.
9796 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9798 * i386.h: Remove useless definition of "I386" and misleading
9801 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9803 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
9804 under which TREE_PERMANENT will be set.
9805 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
9806 build1): Use TREE_SET_PERMANENT.
9807 * print-tree.c (print_node): Don't report value of
9808 TREE_PERMANENT if ggc_p is true.
9810 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
9811 decide whether to give a type a new alias set.
9812 * objc/objc-act.c (build_objc_string_object): Never copy the string.
9813 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
9814 of value of 'obstack'.
9817 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9819 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
9821 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9823 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
9824 * cpplib.c (cpp_get_token): Produce them.
9825 * cppexp.c (cpp_lex): Handle them.
9827 2000-02-23 Nick Clifton <nickc@cygnus.com>
9829 * config/arm/arm.c (arm_comp_type_attributes): Simply and
9830 comment tests on type attributes.
9832 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9834 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
9835 conform to documentation.
9836 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
9837 to check for special cases.
9838 * sh-protos.h (sh_loop_align): Declare.
9839 * sh.c (sh_loop_align): Define.
9841 2000-02-22 Andrew Haley <aph@cygnus.com>
9843 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
9844 (SIZE_TYPE): Is 32 bits when using -mgp32.
9845 (PTRDIFF_TYPE): Ditto.
9847 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9849 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
9851 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9853 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
9854 BIGGEST_FIELD_ALIGNMENT a constant.
9856 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
9858 * dwarf2out.c (output_line_info): Put the marker for the end of
9859 the line number info at the actual end.
9860 (gen_struct_or_union_type_die): Use decl_function_context
9861 to check for local classes.
9862 * dwarfout.c (output_type): Likewise.
9864 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
9866 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
9867 for arguments with a mode, but no type.
9868 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
9869 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
9870 * pa/long_double.h: New file.
9871 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
9872 both have 128bit wide long doubles.
9873 * configure: Rebuilt.
9875 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9877 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
9879 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
9880 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
9881 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
9883 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
9885 * integrate.c (compare_blocks, find_block): Likewise.
9887 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
9889 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
9891 * stmt.c (stmt_status, set_file_and_line_for_stmt,
9892 expand_asm_operands): Likewise.
9894 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
9896 * predict.c (estimate_probability): Added the pointer heuristic to
9897 the collection of static branch predictors.
9899 2000-02-21 Catherine Moore <clm@cygnus.com>
9901 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
9902 * invoke.texi (-mfix7000): Document.
9904 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
9906 * diagnostic.c (init_output_buffer): Make it possible to output at
9907 least 32 characters if we're given a too long prefix.
9909 2000-02-20 Mark Mitchell <mark@codesourcery.com>
9911 * varasm.c (initializer_constant_valid_p): Call
9912 lang_expand_constant to simplify the constant.
9914 2000-02-20 Bruce Korb <bkorb@gnu.org>
9916 * fixinc/inclhack.def(stdio_va_list):
9917 typedef needs to be disabled.
9918 * fixinc/inclhack.sh: regen
9919 * fixinc/fixincl.x: regen
9921 2000-02-20 Geoff Keating <geoffk@cygnus.com>
9923 * print-rtl.c (print_rtx): Don't print addresses when
9924 flag_dump_unnumbered.
9926 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9928 * sparc.c (sparc_output_scratch_registers): Mark parameter with
9930 (sparc_va_arg, sparc_flat_output_function_prologue,
9931 sparc_flat_output_function_epilogue): Cast value to unsigned in
9933 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
9935 * sparc.md: Add default case in switch.
9937 2000-02-19 Richard Henderson <rth@cygnus.com>
9939 * c-typeck.c (add_pending_init): Don't abort for multiple
9940 fields at the same offset.
9941 (pending_init_member): Test the correct member.
9943 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9945 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
9947 (start_catch_handler) : Same.
9949 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
9951 * Makefile.in: Have flow.o depend on $(EXPR_H)
9953 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9955 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
9956 * c-decl.c (duplicate_decls, finish_enum): Likewise.
9957 (finish_decl): Remove -Wlarger-than code from here.
9958 * flags.h (id_clash_len): Now int.
9959 (larger_than_size): Now HOST_WIDE_INT.
9960 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
9961 Clean up checking to see if in table.
9962 (make_bit_field_ref): Remove extra parm to bitsize_int.
9963 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
9964 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
9965 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
9966 and for computing size of decl.
9967 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
9968 Move -Wlarger-than code to here.
9969 (layout_record): Remove extra arg to bitsize_int.
9970 Set TYPE_BINFO_SIZE_UNIT.
9971 (layout_union): Remove extra arg to bitsize_int.
9972 Use proper type for size of QUAL_UNION.
9973 (layout_type): Remove extra arg to bitsize_int.
9974 * toplev.c (id_clash_len): Now int.
9975 (larger_than_size): Now HOST_WIDE_INT.
9976 (decode_W_option): Clean up id-clash and larger-than- cases.
9977 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
9978 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
9979 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
9980 (struct tree_decl): New field size_unit.
9981 (size_int_wide): No HIGH operand; NUMBER is now signed.
9982 (size_int_2): Deleted.
9983 (size_int, bitsize_int): Don't use it and rework args.
9984 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
9986 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
9988 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
9990 2000-02-18 Geoff Keating <geoffk@cygnus.com>
9992 * invoke.texi (Warning Options): Add an explanation of why
9993 you might want the -Wfloat-equal flag.
9995 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9997 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
9998 * cppinit.c (new_pending_define): Add cast to avoid warning.
9999 * expmed.c (extract_bit_field): Likewise.
10000 * flow.c (enum reorder_skip_type): New type.
10001 (skip_insns_between_blcok): New it.
10002 Rework to avoid warning about possibly undefined variable.
10003 * function.c (assign_parms): Make thisparm_boundary unsigned.
10004 * genrecog.c (write_switch): Cast XWINT result to int.
10005 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
10006 * mips-tfile.c (init_file): Make two versions of FDR intializer:
10007 one for MIPS and one for Alpha.
10008 (get_tag, copy_object): Add casts to avoid warnings.
10009 * optabs.c (init_one_libfunc): Cast NAME to (char *).
10010 * reload.c (find_reloads): Make TYPE enum reload_type.
10011 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
10012 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
10013 * varasm.c (compare_constant_1): Add cast to avoid warning.
10014 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
10016 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
10017 Cast switch operand of size to int.
10018 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
10019 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
10022 2000-02-18 Nick Clifton <nickc@cygnus.com>
10024 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
10025 anything for an alignment of zero.
10027 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
10028 anything for an alignment of zero.
10030 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
10032 * gcc.texi (Bug Reporting): Refer to bugs.html.
10033 (Bug Lists): Likewise.
10034 * system.h (GCCBUGURL): New preprocessor define.
10035 * rtl.c (fancy_abort): Use it.
10036 * gcc.c (main): Likewise.
10038 2000-02-18 Richard Henderson <rth@cygnus.com>
10040 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
10041 (life_analysis_1): Subsume into ...
10042 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
10043 Use update_life_info for the relaxation.
10044 (update_life_info): Update REG_BASIC_BLOCK for registers live on
10045 entry and regs_live_at_setjmp.
10046 (set_noop_p): Simplify.
10047 (notice_stack_pointer_modification_1): Renamed from s/_1//.
10048 (record_volatile_insns): Split into ...
10049 (delete_noop_moves): ... here,
10050 (notice_stack_pointer_modification): ... here,
10051 (insn_dead_p): ... and here.
10052 (propagate_block): Don't query INSN_VOLATILE.
10053 (mark_used_regs): Mind !PROP_REG_INFO.
10054 * toplev.c (rest_of_compilation): Call mark_constant_function here,
10055 not in life_analysis.
10057 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
10059 * loop.c (canonicalize_condition): New function,
10060 broken out of get_condition.
10061 (get_condition): Use it.
10062 * expr.h (canonicalize_condition): Prototype it.
10064 * tree.h (tree_int_cst_msb): Declare.
10065 * tree.c (tree_int_cst_msb): New function.
10067 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10069 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
10072 * invoke.texi (-fmessage-length=n): Document.
10074 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
10076 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
10078 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10080 * function.c (thread_prologue_and_epilogue_insns): Put a line note
10081 after the prologue.
10083 2000-02-17 Nick Clifton <nickc@cygnus.com>
10085 * config/arm/thumb.c: Replace includes of system headers with
10086 #include "system.h".
10088 2000-02-16 Richard Henderson <rth@cygnus.com>
10090 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
10091 Add crtbeginS.o and crtendS.o.
10092 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
10093 (ENDFILE_SPEC): Use crtendS.o.
10094 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
10096 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
10097 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
10098 shared and present.
10099 (__dso_handle): New variable.
10100 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
10101 bias to __CTOR_END__.
10103 2000-02-16 Richard Henderson <rth@cygnus.com>
10105 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
10107 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
10109 * longlong.h (__clz_tab): Declare as static to match definition.
10111 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
10113 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
10114 (XREF_FILE_NAME): Define.
10116 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
10117 (EH_FRAME_SECTION_ASM_OP): Define.
10118 (IDENT_ASM_OP): Define.
10119 (TEXT_SECTION_ASM_OP): Define.
10120 (CPP_SPEC): Define.
10121 (CTORS_SECTION_ASM_OP): Define.
10122 (CTOR_SECTION_FUNCTION): Use it.
10123 (DTORS_SECTION_ASM_OP): Define.
10124 (DTOR_SECTION_FUNCTION): Use it.
10126 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
10128 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
10131 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
10132 debug_bb_n): New functions.
10133 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
10134 * basic-block.h: Prototype new functions.
10136 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
10138 * configure.in: Add support for avr target.
10139 * configure: Rebuilt.
10141 * invoke.texi: Add AVR invocation docs.
10142 * install.texi: Add information about AVR.
10143 * md.texi: Add AVR constraint letters description.
10144 * extend.texi: Add description for AVR specific attributes.
10146 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
10148 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
10150 2000-02-16 Nick Clifton <nickc@cygnus.com>
10152 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
10153 (make_insn_raw): Move RTL check here.
10155 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10157 * version.c: Include gansidecl.h and version.h.
10159 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
10161 * configure.in (gcc_version): When setting, narrow search to
10162 lines containing `version_string'.
10164 * Makefile.in (mainversion): Likewise.
10165 (GCC_H): New variable.
10166 (gcc.h): Delete target.
10167 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
10168 (version.o): Depend on version.h.
10169 (dbxout.o): Don't depend on gcc.h.
10171 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
10172 Michael Meissner <meissner@cygnus.com>
10174 * md.texi (Simple Constraints): Add item about whitespace.
10175 * genoutput.c (strip_whitespace): New.
10176 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
10177 strip_whitespace for constraints.
10178 Test pointer using NULL, not 0.
10180 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10182 * cpplib.c (do_line): Pedwarn for #line > 32767.
10184 * c-lex.c (readescape): Warn about '\x', but do not reject it.
10186 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
10188 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
10189 to default cpp spec.
10190 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
10191 * cpp.texi: Document __GNUC_PATCHLEVEL__.
10194 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
10197 2000-02-15 Denis Chertykov <denisc@overta.ru>
10199 * configure.in: Add support for avr target.
10201 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10203 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
10204 (sh_addr_diff_vec_mode): Don't declare.
10205 * sh.c (sh_addr_diff_vec_mode): Delete.
10207 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10209 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
10211 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10213 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
10214 (smulsi3_highpart_i): Name.
10215 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
10216 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
10217 (smulsi3_highpart, umulsi3_highpart): Likewise.
10219 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
10220 correctly independent of endianness.
10221 (mulsidi3, umulsidi3): Now define_insn. Hide details that
10222 confuse the optimizers.
10223 (mulsidi3+1, umulsidi3+1): New define_split.
10225 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
10227 * config/sh/sh.md: Guard insn splits against illegal registers.
10228 * config/sh/sh.h: Correct comment about macros.
10230 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10231 Andrew MacLeod <amacleod@cygnus.com>
10233 * Makefile.in (lcm.o): Depend on insn-attr.h.
10234 * basic-block.h (optimize_mode_switching): Declare.
10235 * lcm.c (tm_p.h, insn-attr.h): #include.
10236 (seginfo, bb_info): New structs.
10237 (antic, transp, comp, delete, insert) : New file-scope static variables.
10238 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
10239 (reg_becomes_live, optimize_mode_switching): Likewise.
10240 * tm.texi: Add description of mode switching macros.
10241 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
10243 * sh-protos.h (remove_dead_before_cse): Remove prototype.
10244 (fldi_ok, fpscr_set_from_mem): New prototypes.
10245 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
10246 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
10247 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10248 (sh_flag_remove_dead_before_cse): Remove declaration.
10249 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
10250 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
10251 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
10252 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10253 (barrier_align): Allow for JUMP_INSNS containing a parallel.
10254 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
10255 (fldi_ok): New function.
10256 (get_fpscr_rtx): Add fpscr_rtx as GC root.
10257 (emit_sf_insn): Only generate fpu switches when optimize < 1.
10258 (emit_df_insn): Likewise.
10259 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
10260 (sh_flag_remove_dead_before_cse): Delete.
10261 (get_free_reg, fpscr_set_from_mem): New functions.
10262 * sh.md (movdf, movsf): Remove no_new_pseudos code.
10263 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
10265 2000-02-15 Loren Rittle <ljrittle@acm.org>
10267 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
10269 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10271 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
10272 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
10274 * cccp.c: Include version.h and/or don't declare `version_string'.
10275 * collect2.c: Likewise.
10276 * alpha.c: Likewise.
10277 * arm/aof.h: Likewise.
10278 * arm/coff.h: Likewise.
10279 * arm/elf.h: Likewise.
10280 * arm/pe.h: Likewise.
10281 * arm/tcoff.h: Likewise.
10282 * arm/telf.h: Likewise.
10283 * arm/tpe.h: Likewise.
10284 * arm/vxarm.h: Likewise.
10285 * convex/convex.c: Likewise.
10286 * i386/dgux.c: Likewise.
10287 * i386/sun386.h: Likewise.
10288 * m88k/m88k.c: Likewise.
10289 * mcore/mcore-pe.h: Likewise.
10290 * mips/mips.h: Likewise.
10291 * romp/romp.h: Likewise.
10292 * sh/sh.c: Likewise.
10293 * cpphash.c: Likewise.
10294 * cppinit.c: Likewise.
10295 * dwarf2out.c: Likewise.
10296 * dwarfout.c: Likewise.
10299 * mips-tfile.c: Likewise.
10300 * protoize.c: Likewise.
10301 * toplev.c: Likewise.
10302 * tree.h: Likewise.
10304 * version.c (version_string): Constify a char*.
10306 * version.h: New file.
10308 2000-02-14 Nick Clifton <nickc@cygnus.com>
10310 * configure.in: Add mcore-elf and mcore-pe targets.
10311 * configure: Regenerate.
10313 * NEWS: Add note that MCore port has been contributed.
10315 * invoke.texi: Document command line switches for MCore port.
10316 * install.texi: Add MCore to list of supported targets.
10318 2000-02-14 Geoff Keating <geoffk@cygnus.com>
10320 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
10321 then we will need to import the frame handling functions.
10322 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
10323 to import the frames themselves.
10325 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
10326 Jason Eckhardt <jle@cygnus.com>
10328 * basic_block.h: Added prototype for reorder_basic_blocks.
10329 * toplev.c: Changes to add -freorder-blocks and graph dump after
10330 block reordering is done.
10331 * flow.c (reorder_block_def): New structure for use during block
10333 (REORDER_BLOCK_*): New macros to access members of above structure.
10334 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
10335 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
10336 functions for block reordering.
10338 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
10340 * gcc.texi (Passes): Fix typo.
10341 * md.texi (Standard Names): Ditto.
10342 * tm.texi (Storage Layout): Ditto.
10344 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10346 * cpplib.c (do_define): Only free the old definition if it
10349 2000-02-13 Neil Booth <NeilB@earthling.net>
10351 * cppfiles.c (read_and_prescan): When emitting deferred
10352 newlines, test speccase[] again instead of checking each
10353 possible whitespace character in turn. When we encounter \r,
10354 look behind for \n first, then ahead.
10356 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10358 * cse.c (cse_altered): New internal flag.
10359 (cse_insn): Set it if we changed an insn.
10360 (cse_main): Clear cse_altered before each basic block.
10361 Only garbage collect if cse_altered is true afterward.
10363 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10365 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
10367 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
10369 * combine.c (simplify_comparison): Fix typo.
10371 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
10373 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
10376 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10378 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
10379 previously inserted node instead of root node. Caller changed.
10381 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10383 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
10385 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10387 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
10388 __dereg_frame_dtor): Add prototype argument.
10390 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
10392 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
10394 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
10396 * gthr-vxworks.h (__gthread_once): Likewise.
10398 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
10400 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
10402 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
10403 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
10404 stack pointer in functions w/o saved registers, output LEAVE more often
10405 on TARGET_USE_LEAVE machines.
10407 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
10409 * config/arm/arm.c (arm_init_cumulative_args); New function:
10410 Initlaise the CUMULATIE_ARGS strcuture for a function
10412 (arm_function_arg): New function: Determine where to place a
10413 function's argument. Also handles deciding the function's
10415 (current_file_function_operand): New function: Return true if
10416 the symbol is a function which has already been compiled.
10417 (arm_is_long_call_p): New function: Return true if the
10418 indicated function should be called via a long call.
10419 (arm_valid_type_attribute_p): New function: Return true if the
10420 attribute is a valid, arm specific, attribute.
10421 (arm_comp_type_attribute): New function: Return true if the
10422 two types have compatable, arm specific, attributes.
10424 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
10426 (FUNCTION_ARG): Redefine to call arm_function_arg.
10427 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
10429 (INIT_CUMULATIVE_ARGS): Redefine to call
10430 arm_init_cumulative_args.
10431 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
10433 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
10435 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
10437 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
10438 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
10439 (COMP_TYPE_ATTRIBUTES): Define.
10441 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
10442 if a long call is needed.
10443 (call_value): Call arm_is_long_call_p to decide if a long call
10445 (call_symbol): Call arm_is_long_call_p to decide if a long call
10448 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
10450 2000-02-11 Denis Chertykov <denisc@overta.ru>
10452 * README.AVR: New file with information about the avr ports.
10453 * config/avr: New directory with avr port files.
10455 2000-02-11 Andreas Jaeger <aj@suse.de>
10457 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
10459 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
10461 * cpphash.c: Fix formatting, update commentary.
10462 (dump_definition): Take three separate arguments instead of a
10463 MACRODEF structure argument.
10464 * cpphash.h: Update prototype of dump_definition.
10465 * cppinit.c (cpp_finish): Update call of dump_definition.
10467 * cpplib.c (do_define): Always create new hash entry with
10468 T_MACRO type. Remove redundant check for redefinition of
10469 poisoned identifier. Update call of dump_definition.
10470 (do_undef): Don't call check_macro_name. Rename sym_length to
10472 (do_error, do_warning): Don't use copy_rest_of_line or
10474 (do_warning): Don't use pedwarn for the actual warning,
10475 only the notice about its not being in the standard. (Fixes
10476 bug with #warning in system headers.)
10477 (do_ident): Stricter argument checking - accept only a single
10478 string after #ident. Also, macro-expand the line.
10479 (do_xifdef): Use cpp_defined. De-obfuscate.
10481 (do_pragma): Split out specific pragma handling to separate
10482 functions. Use get_directive_token. Update commentary. Do
10483 not pass on #pragma once or #pragma poison to the front end.
10484 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
10485 do_pragma_default): New.
10487 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
10489 * jump.c (jump_optimize_1): The first operand in a relational
10490 can be a CONST_INT.
10491 * optabs.c (emit_conditional_move): Handle relationals which
10492 have a known true/false result.
10494 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10496 * function.c (thread_prologue_and_epilogue_insns): Don't insert
10497 a RETURN insn into a block which already ends with a jump.
10499 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10501 * haifa-sched.c (BUF_LEN): Increase a lot.
10503 2000-02-11 Nick Clifton <nickc@cygnus.com>
10505 * configure.in: Add tm_p_file specification for thumb targets.
10506 * configure: Regenerate.
10508 * config/arm/thumb-protos.h: New file: Prototypes for exported
10509 functions defined in thumb.c.
10511 2000-02-11 Robert Lipe <robertl@sco.com>
10513 * Makefile.in (bootstrap-lean): Remove additional files.
10514 (bootstrap2-lean): Likewise.
10515 (VOL_FILES): List of files for above.
10517 2000-02-11 Nathan Sidwell <nathan@acm.org>
10519 * cpphash.c (special_symbol): Remove spurious argument to
10522 2000-02-11 Joel Sherrill (joel@OARcorp.com>
10524 * configure.in: (i*86-*-rtems*): Swapped elf and coff
10526 * configure: Rebuilt.
10528 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
10530 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
10532 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
10534 * pa.c, pa.h: Remove trigraph sequences within comments.
10536 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
10538 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
10540 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
10542 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
10544 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10546 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
10548 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10550 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
10551 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
10552 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
10553 (ASM_FILE_END): Use c4x_file_end.
10554 * config/c4x/c4x.c (c4x_global_label): New function.
10555 (c4x_external_ref, c4x_file_end): Likewise.
10557 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
10558 (c4x_external_ref, c4x_end_file): Likewise.
10560 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
10562 * cppexp.c: Don't include cpphash.h.
10563 (parse_charconst, cpp_lex): Use cpp_defined.
10564 (cpp_lex): Use get_directive_token throughout. Remove
10565 unnecessary cases from switch. Move assertion-handling code
10566 down to OTHER case.
10567 (cpp_parse_expr): If we see '+' or '-', check the context to
10568 determine if they are unary or binary operators. Streamline
10569 the jumps a bit. Do not call skip_rest_of_line.
10571 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
10572 static. Export get_directive_token. Update commentary.
10573 (cpp_defined): New function.
10574 (do_define): Remove reference to T_PCSTRING. Call
10575 free_definition to release memory for old definition, when
10576 redefining a macro.
10577 (eval_if_expression): Set only_seen_white to 0 before calling
10578 cpp_parse_expr. Call skip_rest_of_line after it returns.
10579 (cpp_read_check_assertion): Don't preserve a pointer into the
10580 token buffer across a call to cpp_get_token.
10582 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
10583 * cppfiles.c (redundant_include_p): Use cpp_defined.
10584 * cpphash.c (free_definition): New function.
10585 (delete_macro): Use it. Update commentary.
10586 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
10588 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
10589 from enum node_type. Prototype cpp_defined and get_directive_token.
10590 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
10592 * fix-header.c (check_macro_names): Use cpp_defined.
10593 (read_scan_file): Set inhibit_warnings and inhibit_errors in
10594 the options structure.
10596 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10598 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
10600 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
10602 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
10603 rather than die->die_tag.
10605 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10607 * combine.c (make_extraction, force_to_mode): Avoid warning on
10608 mixed-signedness conditionals.
10609 (make_field_assignment, nonzero_bits): Likewise.
10610 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
10611 (store_split_bit_field, extract_split_bit_field): Likewise.
10612 (extract_fixed_bit_field, store_bit_field,
10613 * expr.c: Change alignment to be unsigned everywhere.
10614 (move_by_pieces, store_constructor_field, store_constructor):
10615 Alignment parm is unsigned.
10616 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10617 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10618 (do_compare_rtx_and_jump): Likewise.
10619 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
10620 Compare align with GET_MODE_ALIGNMENT.
10621 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
10622 (get_inner_reference): Likewise.
10623 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
10624 (expand_assignment): Local vars for alignment now unsigned.
10625 (store_constructor, store_field, expand_expr, do_jump): Likewise.
10626 (do_compare_and_jump): Likewise.
10627 (store_field): Call new function expr_align.
10628 * expr.h (emit_block_move, emit_group_load, emit_group_store):
10629 Alignment arg now unsigned.
10630 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10631 (do_compare_rtx_and_jump, store_bit_field): Likewise.
10632 (extract_bit_field): Likewise.
10633 * fold-const.c (add_double): Add cast to eliminate signedness warning.
10634 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
10635 (get_best_mode): Alignment arg is unsigned.
10636 * rtl.h (move_by_pieces): Likewise.
10637 * store-layout.c (maximum_field_alignment, set_alignment):
10639 (layout_decl): Alignment arg is now unsigned.
10640 Remove unneeded casts.
10641 (layout_record, layout_union, layout_type): Remove unneeded casts.
10642 Local alignment variables now unsigned.
10643 (get_best_mode): Alignment arg now unsigned.
10644 * tree.c (expr_align): New function.
10645 * tree.h (expr_align): Likewise.
10646 (maximum_field_alignment, set_alignment): Now unsigned.
10647 (get_inner_reference): Alignment argument is now pointer to unsigned.
10648 * varasm.c (assemble_variable): Add cast to eliminate warning.
10650 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
10652 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
10653 then store directly into op0.
10655 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
10656 the CALL_INSN, and emit the note immediately after it.
10658 2000-02-10 Nick Clifton <nickc@cygnus.com>
10660 * config/arm/thumb.md (epilogue): Include a (return) in the
10661 generated insn, and emit it using emit_jump_insn not
10664 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
10666 * function.c (assign_temp): Change zero-sized arrays to size 1.
10667 * integrate.c (expand_inline_function): Do not update
10668 stack_alignment_needed
10669 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
10670 add some sanity checking, remove optimization for function with
10673 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10675 * flow.c (mark_regs_live_at_end): Delete unused variables.
10677 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
10679 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
10680 in macro FRAME_GROWS_DOWNWARD.
10682 * stmt.c (expand_end_bindings): Delete unused variable.
10684 * unroll.c (iteration_info): Mark parameter `loop' with
10687 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10689 * fixinc/server.c (load_data): Return NULL if the marker line is
10691 (run_shell): If load_data returns NULL, retry the command once, in
10694 * configure: Rebuilt.
10696 2000-02-09 Bruce Korb <bkorb@gnu.org>
10698 * gcc/fixincludes: ** DELETED **
10699 * gcc/fixcpp: ** DELETED **
10700 * gcc/fixinc-nt.sed: ** DELETED **
10701 * gcc/just-fixinc: ** DELETED **
10702 * gcc/Makefile.in: Removed out-dated commentary
10703 * gcc/configure.in: Removed fast-fixincludes disablement.
10704 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
10706 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10707 * function.c (thread_prologue_and_epilogue_insns): Uncomment
10710 2000-02-09 Richard Henderson <rth@cygnus.com>
10712 * jump.c (delete_insn): Don't delete user labels at -O0.
10714 2000-02-09 Robert Lipe <robertl@sco.com>
10716 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
10717 Don't link with HOST_LIBS.
10719 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10721 * configure.in: Correct --help text for --with-dwarf2.
10722 Put tm-dwarf2.h after other tm files, if it's requested.
10723 * configure: Regenerate.
10724 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
10727 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10729 * cpplib.h: Provide HASHNODE typedef and forward decl of
10730 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
10731 DEFINITION, struct hashnode, struct macrodef, struct
10732 definition, scan_decls prototype, default defn of
10733 INCLUDE_LEN_FUDGE moved elsewhere.
10735 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
10736 definition, and struct hashnode moved here. Remove the unused
10737 'predefined' field from struct definition. Replace the 'args'
10738 union with its sole member. All users updated (cpphash.c).
10739 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
10740 multiple include guard.
10742 * cpphash.c (hashf): Make static; use better algorithm; drop
10743 HASHSIZE parameter; return an unsigned int.
10744 (cpp_lookup): Drop HASH parameter. PFILE parameter is
10745 used. Calculate HASHSIZE modulus here.
10746 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
10748 (create_definition): Drop PREDEFINITION parameter.
10749 * cpplib.c (do_define): Don't calculate a hash value here.
10750 Don't pass (keyword == NULL) to create_definition.
10752 * scan.h: Prototype scan_decls here.
10753 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
10754 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
10755 callers of cpp_lookup and cpp_install updated.
10757 * cpphash.c (macarg): Hoist all the flag diddling out of the
10759 (macroexpand): ... and out of the loop that calls macarg.
10760 Skip over the initial paren before macro arguments with
10761 cpp_get_non_space_token; point may be some distance before
10762 that paren. Abort if it's not there.
10764 * cpplib.c (parse_clear_mark): Delete function.
10765 (parse_set_mark, parse_goto_mark): Make static.
10766 (ACTIVE_MARK_P): New macro.
10767 (skip_block_comment, skip_line_comment): Do not bump the line
10768 if ACTIVE_MARK_P is true.
10769 (cpp_pop_buffer): The buffer to be popped may not have an
10771 (cpp_get_token): When looking for the initial paren before
10772 macro arguments, only set a mark in a file buffer, Always
10773 return to that mark before proceeding to call macroexpand or
10774 return a NAME token.
10776 * cpplib.h: Remove prototypes of parse_set_mark,
10777 parse_clear_mark, parse_goto_mark.
10778 (struct cpp_options): Rename 'put_out_comments' to
10779 'discard_comments' and invert its sense.
10780 * cppinit.c, cpphash.c, cpplib.c: All users of
10781 put_out_comments changed to use discard_comments, with
10784 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10786 * function.c (thread_prologue_and_epilogue_insns): Don't delete
10787 the edge from a block that both jumps and falls through to the
10790 2000-02-09 Scott Bambrough <scottb@netwinder.org>
10792 * config/arm/arm.md (movsi): In PIC mode, make sure that a
10793 constant source address is legitimate.
10795 2000-02-09 Philip Blundell <pb@futuretv.com>
10797 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
10800 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
10802 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
10804 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10806 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
10807 ends with a newline and a NUL. Don't be so clever manipulating
10810 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
10812 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
10813 not to BIGGEST_ALIGNMENT.
10815 2000-02-08 Geoff Keating <geoffk@cygnus.com>
10817 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
10818 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
10819 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
10820 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
10821 * frame.c (execute_cfa_insn): Handle
10822 DW_CFA_GNU_negative_offset_extended.
10824 2000-02-08 Richard Henderson <rth@cygnus.com>
10826 * flow.c (tidy_fallthru_edges): Split out from ...
10827 (delete_unreachable_blocks): ... here.
10828 (find_basic_blocks): Use it.
10830 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10832 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
10834 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
10836 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
10837 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
10838 (fix-header.o): Don't depend on cpphash.h.
10840 * scan.c (hashstr): New function.
10841 * scan.h: Prototype it.
10842 * fix-header.c: Don't include cpphash.h. Use hashstr.
10843 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
10844 hashstr. Report hash table statistics. Add private
10845 definition of xrealloc.
10847 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10849 * i386.h (TARGET_SWITCHES): Fix typo in option name.
10851 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
10853 * function.c (thread_prologue_and_epilogue_insns): Don't replace
10854 jumps with returns unless they are jumps to the fallthru block.
10856 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
10858 * i386.md (addqi3_cc): Fix contraints.
10860 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
10862 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
10864 2000-02-07 Mark Mitchell <mark@codesourcery.com>
10866 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
10867 carriage return after a macro name.
10869 2000-02-07 Fred Fish <fnf@be.com>
10871 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
10872 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
10874 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
10876 * cppfiles.c (deps_output): Count spacers in deps_column.
10878 2000-02-07 Neil Booth <NeilB@earthling.net>
10880 * cppinit.c (initialize_dependency_output): If there is no
10881 suffix, don't try to look for known suffixes. Use strrchr.
10882 (cpp_start_read): Remove duplicate initialization.
10884 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
10886 * calls.c (compute_argument_block_size): New argument
10887 preferred_stack_boundary.
10888 (expand_call): update cfun->preferred_stack_boundary, update call of
10889 compute_argument_block_size
10890 (emit_library_call): Increate cfun->preferred_stack_boundary
10891 to PREFERRED_STACK_BOUNDARY
10892 (emit_library_call_value): Likewise.
10893 * explow.c (allocate_dynamic_stack_spave): Likewise.
10894 * function.c (prepare_function_start): Set
10895 cfun->preferred_stack_boundary
10896 * function.h (struct function): Add preferred_stack_boundary field.
10897 * integrate.c (expand_inline_function): Update
10898 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
10899 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
10900 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
10902 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
10904 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
10905 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
10906 cpp_pedwarn, cpp_pedwarn_with_line,
10907 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
10908 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
10909 v_cpp_error_with_line, v_cpp_warning_with_line,
10910 cpp_message_from_errno, cpp_perror_with_name): Delete.
10912 * cpperror.c (cpp_print_containing_files): Take starting
10913 buffer as argument.
10914 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
10915 (v_cpp_message): Now called directly by all entry points.
10917 (cpp_pfatal_with_name, cpp_message): Delete.
10918 (cpp_notice_from_errno, cpp_ice): New functions.
10919 (cpp_notice): Is now for reporting error conditions, just
10920 without an associated file.
10921 (cpp_error, cpp_error_with_line): Don't do anything if
10922 opts->inhibit_errors is on.
10923 (cpp_pedwarn_with_file_and_line): Take column argument also.
10925 * cpplib.h: Update prototypes of exported functions.
10926 (struct cpp_options): Add inhibit_errors.
10928 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
10929 non-error messages. Include intl.h.
10931 * cppinit.c, cppmain.c: Likewise. Also, use
10932 cpp_notice_from_errno instead of cpp_perror_with_name or
10933 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
10935 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
10936 report internal errors.
10938 * cpplib.c (do_define): Switch bcopy to memcpy.
10939 Give cpp_pedwarn_with_file_and_line a dummy column argument.
10941 * cpplib.c (copy_rest_of_line): Revert previous change: don't
10942 bail out early if we hit a line comment.
10944 2000-02-06 Richard Henderson <rth@cygnus.com>
10946 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
10947 * basic-block.h: Declare them.
10948 * emit-rtl.h (active_insn_p): New.
10949 (next_active_insn, prev_active_insn): Use it.
10950 * rtl.h: Declare it.
10951 * function.c (emit_return_into_block): New.
10952 (thread_prologue_and_epilogue_insns): Insert return insns instead
10953 of epilogues when possible.
10954 * jump.c (jump_optimize_1): Remove code to insert a return insn
10955 on the fallthru to the exit block.
10957 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
10958 and for non-empty stack frames.
10959 * i386.md (return): Expand to return-pop as needed.
10961 2000-02-06 Richard Henderson <rth@cygnus.com>
10963 * simplify-rtx.c (simplify_relational_operation): Canonicalize
10964 constant to op1 for testing.
10966 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10968 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
10969 (fixuns_truncqfqi2): Use it.
10971 2000-02-06 Richard Henderson <rth@cygnus.com>
10973 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
10974 as a TYPE_LEA insn.
10976 * i386.md (widening and peepholes): Mask the constant instead of
10979 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10981 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
10982 input pointer before possibly branching off to the backslash
10984 * cpphash.c (macroexpand): Correctly delete \r escapes when
10985 stringifying parameters.
10986 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
10987 if we can; bail out early if we hit a line comment.
10988 (handle_directive): Treat '# 123' in an .S file just like
10989 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
10990 Return 1 for '# not_a_directive'.
10991 (get_directive_token): Pop macro buffers here, so that
10992 cpp_get_token can't sneakily move past a newline.
10994 (cpp_get_token): goto randomchar if handle_directive returns 0.
10996 * cppalloc.c: Update copyright.
10997 * cpplib.c: Merge all the static function prototypes into one
10999 * cpplib.h: Remove #if 0 block.
11001 * cpperror.c: Remove #ifdef EMACS block.
11002 * cppmain.c: Likewise.
11003 * cpphash.c: Remove #if 0 blocks.
11004 * cppinit.c: Remove #if 0 blocks, and the -lint option.
11005 * cpplib.c: Remove #if 0 blocks and code referencing
11006 pcp_inside_if or for_lint. Remove duplicate error message.
11007 Fix error messages for #else after #else or #elif. Reformat.
11008 Remove archaic TODO list.
11009 * cpplib.h: Remove pcp_inside_if and for_lint flags.
11011 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11013 * i386/osf1elf.h: Add missing backslash to multiline string.
11015 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11017 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
11019 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11021 * Makefile.in (c-common.o): Depend on $(EXPR_H).
11023 * c-common.c: Include expr.h.
11025 * c-pragma.c (mark_align_stack): Add prototype.
11027 * caller-save.c (add_stored_regs): Likewise.
11029 * combine.c (record_promoted_value): Likewise.
11031 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
11034 * cppinit.c (new_pending_define): Likewise.
11036 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
11038 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
11039 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
11040 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
11041 class_scope_p): Likewise.
11043 * dwarf2out.h (dwarf2out_set_demangle_name_func,
11044 dwarf2out_add_library_unit_info): Likewise.
11046 * ggc.h (ggc_page_print_statistics): Likewise.
11048 * haifa-sched.c (propagate_deps): Likewise.
11050 * reg-stack.c (next_flags_user, record_label_references): Likewise.
11052 * rtl.h (set_stack_check_libfunc): Likewise.
11054 * toplev.h (set_fatal_function): Likewise.
11056 * toplev.c (set_fatal_function): Delete prototype.
11058 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
11060 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11062 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
11063 (FUNC_END): Likewise.
11065 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11067 * caller-save.c: Include tm_p.h.
11069 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11071 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
11073 2000-02-04 Neil Booth <NeilB@earthling.net>
11075 * cccp.c (main): Check 'dir' for a NULL pointer before passing
11078 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
11080 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
11081 * genflags.c: Use the max_operand_1 logic from genemit.c to
11082 calculate how many arguments gen_insn prototypes have. Remove
11083 NO_MD_PROTOTYPES ifdefs from the generated file.
11084 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
11085 file. Cast gen_insn initializers to insn_gen_fn.
11086 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
11087 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
11089 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11091 * fixinc/Makefile.in (HDR): Add machname.h.
11094 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11096 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
11097 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
11098 (c4x_cpu_version): Ditto.
11099 * config/c4x/c4x-protos.h: ... here.
11101 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
11103 * dwarf2out.c (add_abstract_origin_attribute): Don't call
11104 gen_abstract_function on our context if we're a nested function.
11106 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11108 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
11109 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
11111 2000-02-04 Bruce Korb <bkorb@gnu.org>
11113 * fixinc/genfixes(machname.h):
11114 Move the functionality from gen-machine.h into this file.
11115 UNdef MN_NAME_PAT if there are no names to change.
11116 Also, be a little kinder when AutoGen is not present.
11118 * fixinc/Makefile.in(machname.h):
11119 Change the generation rule to use genfixes.
11121 * fixinc/fixfixes.c(machine_name):
11122 machine_name_fix's functionality now dependent upon whether
11123 MN_NAME_PAT is defined.
11125 * fixinc/fixtests.c(machine_name):
11128 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
11131 * fixinc/fixlib.h(mn_get_regexps):
11134 * fixinc/gen-machine.h: DELETED
11136 2000-02-04 Jan Hubicka <jh@suse.cz>
11137 Richard Henderson <rth@cygnus.com>
11139 * i386.c (SAVE_REGS_FIRST): Remove.
11140 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
11141 (ix86_compute_frame_size): Likewise.
11142 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
11143 (ix86_emit_restore_regs): Remove.
11144 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
11145 when a frame pointer is in use.
11146 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
11147 instead of pop to restore a register when profitable; emit leave
11149 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
11150 as a TYPE_LEA insn.
11151 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
11152 * i386.md (prologue_allocate_stack): Remove.
11153 (epilogue_deallocate_stack): Remove.
11154 (pro_epilogue_adjust_stack): New.
11156 2000-02-04 Richard Henderson <rth@cygnus.com>
11158 * function.c (diddle_return_value): Rework to use a callback function.
11159 Use current_function_return_rtx if it's been set up.
11160 (do_clobber_return_reg, clobber_return_register): New.
11161 (do_use_return_reg, use_return_register): New.
11162 (expand_function_end): Use them.
11163 * stmt.c (expand_null_return): Likewise.
11164 * function.h: Declare them.
11165 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
11166 (mark_reg): Change arguments as appropriate for callback.
11167 * integrate.c (expand_inline_function): Revert 19 Jan change.
11169 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
11171 * tm.texi (Values in Registers): Fix typo: "fo" "for".
11172 (Misc): Say the scheduler, not the Haifa scheduler.
11174 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
11176 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
11177 when in_mem is set. Update all callers.
11179 2000-02-04 Richard Henderson <rth@cygnus.com>
11181 * i386/openbsd.h (INT_ASM_OP): Define.
11183 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
11185 * tm.texi: Fix various typos.
11187 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
11189 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
11190 (MD_STARTFILE_PREFIX_1): New macro.
11192 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
11194 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
11195 destination when needed.
11196 (strmovsi, strsetsi): New expander.
11197 (strmovsi_1, strsetsi_1): New pattern.
11198 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
11199 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
11200 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
11201 * invoke.texi (align-stringops, inline-all-stringops): Document.
11203 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
11205 * i386/netbsd.h (INT_ASM_OP): Define.
11207 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
11209 * cpplib.h (cpp_reader): Add new flag, no_directives.
11210 * cpphash.c (macarg): Set it.
11211 * cpplib.c (handle_directive): If no_directives is on and we
11212 find a directive, issue an error and discard the line.
11214 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
11216 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
11217 FP constants. Add ! TARGET_FPU check for FP constants.
11219 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
11221 * flow.c (find_basic_blocks): Don't kill label_value_list
11223 (cleanup_cfg): Kill it here.
11225 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11227 * expr.c (store_field): Ensure ALIGN is no stricter than the
11230 2000-02-02 Richard Henderson <rth@cygnus.com>
11232 * jump.c (delete_insn): Partially revert 19 Jan change;
11233 don't convert unused code labels to notes at -O0.
11235 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11237 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
11238 split_all_insns to recreate REG_LABEL notes for flow2 pass.
11240 2000-02-01 Richard Henderson <rth@cygnus.com>
11242 * i386.c (general_no_elim_operand): New.
11243 (nonmemory_no_elim_operand): New.
11244 (ix86_expand_move): Copy eliminable operands before a push.
11245 * i386-protos.h: Declare new functions.
11246 * i386.h (CAN_ELIMINATE): Simplify.
11247 (PREDICATE_CODES): Update.
11248 * i386.md (push insns): Don't allow eliminable register operands.
11250 2000-02-01 Richard Henderson <rth@cygnus.com>
11252 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
11253 replace BLKmode with DECL_RTL's mode.
11255 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
11257 * frame.c (find_fde): Convert for loop to do-while so compiler
11258 sees it's always executed at least once.
11259 * libgcc2.c (BBINBUFSIZE): Kill.
11260 (__bb_init_prg): Use fgets.
11261 (__bb_exit_trace_func): Don't paste strings.
11262 * unroll.c (unroll_loop): Initialize unroll_type, not
11263 unroll_number, and tweak logic to match.
11265 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
11267 (ix86_flags_dependant): Likewise. Disentangle control flow.
11268 (ix86_sched_reorder): Break guts out to
11269 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
11270 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
11273 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
11274 use string concatenation. Don't save and restore esi.
11276 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
11277 (machname.h): Remove script to separate file. Use two-step
11278 sequence so target is not created if script fails.
11279 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
11280 identifiers are defined.
11281 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
11282 an empty string, machine_name doesn't need to do anything at
11284 (is_cxx_header): Add more cases to regexp.
11285 * fixinc/fixlib.h: Update prototype.
11286 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
11288 * fixinc/fixincl.c: Define NO_BOGOSITY.
11290 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
11291 (hp_sysfile): Add missing comma.
11292 (math_exception): Put the wrapper ifdefs at the beginning and
11293 the end of the file.
11294 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
11296 2000-02-01 Richard Henderson <rth@cygnus.com>
11298 * sparc.c (fp_zero_operand): Turn into a normal predicate.
11299 Use CONST0_RTX. Update all callers.
11300 * sparc.h, sparc-protos.h: Update accordingly.
11301 * sparc.md (fp mov insns): Use fp_zero_operand directly
11304 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11306 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
11309 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11311 * Makefile.in (specs.ready): New target.
11312 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
11314 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11316 * fixinc.irix: Use unique filenames for writing into /tmp,
11317 * fixinc.ptx: Likewise.
11318 * fixinc.sco: Likewise.
11319 * fixinc.svr4: Likewise.
11320 * fixinc.winnt: Likewise.
11322 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11324 * tsystem.h: New file.
11326 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
11327 s-crtS): Depend on tsystem.h.
11329 * crtstuff.c: Include tsystem.h.
11330 * frame.c: Likewise.
11331 * libgcc2.c: Likewise.
11333 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
11335 * builtins.c (expand_builtin_memset): Expand for variable sized
11338 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
11340 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
11343 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11345 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
11347 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
11349 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
11351 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
11352 case 3->2 combining (combining with splitting) in which 2 is CC0
11353 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
11354 checked at the begining of the function with the aid of calling
11355 function 'can_combine_p'.
11357 2000-01-31 Dave Brolley <brolley@redhat.com>
11359 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
11361 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
11363 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
11366 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11368 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
11370 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
11373 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11375 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
11376 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
11377 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
11378 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
11379 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
11380 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
11381 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
11382 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
11383 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
11384 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
11386 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
11387 Add %(cpp_cpu) to CPP_SPEC.
11389 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
11390 Add %(cc1_cpu) to CC1_SPEC.
11392 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11394 * c-decl.c (c_decode_option): Accept optional numeric argument to
11395 -Wformat and set warn_format.
11396 * c-common.c: Don't emit warning about non-constant printf format
11397 string unless warn_format > 1.
11399 2000-01-30 Richard Henderson <rth@cygnus.com>
11401 * alpha.md (return_internal): Allow after reload only.
11403 2000-01-30 Richard Henderson <rth@cygnus.com>
11405 * i386.c (ix86_compute_frame_size): Omit padding1 if the
11406 local frame size is zero.
11408 2000-01-30 Richard Henderson <rth@cygnus.com>
11410 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
11411 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
11412 * alpha.md (return): Turn into an expander.
11413 (return_internal): Don't use $26.
11414 (epilogue): Emit the return insn.
11416 2000-01-30 Richard Henderson <rth@cygnus.com>
11418 * alpha.md (negtf2, abstf2): Fix word order thinko.
11419 (extendsftf2): New.
11420 (trunctfsf2): Avoid intermediate rounding errors.
11422 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11424 * cppfiles.c (find_position): Drop 'colp' argument, return the
11426 (read_and_prescan): Adjust to match. Don't ever manipulate
11427 line or line_base except via find_position.
11429 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11431 * c-parse.in: Apply Ulrich's changes from c-parse.y.
11432 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
11435 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11437 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
11438 just print "<command line>". If 'filename' is null or an
11439 empty string, print "<stdin>" for the filename.
11440 * cpplib.c (do_define): Don't print the 'location of the
11441 previous definition' message if we're still parsing the
11443 (cpp_pedwarn_with_file_and_line): Always call
11444 cpp_file_line_for_message.
11446 2000-01-29 Mark Mitchell <mark@codesourcery.com>
11448 * flow.c (mark_regs_live_at_end): Fix typo.
11450 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11452 * c-common.c: Adjust variable names, comments, help strings to c99.
11453 * c-lex.c: Likewise.
11454 * c-parse.y: Likewise.
11455 * c-tree.h: Likewise.
11456 * cccp.c: Likewise.
11457 * cpplib.h: Likewise.
11458 * c-decl.c: Likewise. Recognize options with names "*99" as well.
11459 * cppinit.c: Likewise.
11461 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11463 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
11464 * c4x.c: Define the optab rtx values.
11465 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
11466 (c4x_emit_libcall): Use new optab rtx values.
11467 (c4x_emit_libcall3): Likewise.
11468 (c4x_emit_libcall_mulhi): Likewise.
11469 * c4x-protos.h: Add prototypes for optab rtx values and change
11470 prototypes for above c4x_emit_libcall functions.
11472 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11474 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
11476 (c4x_function_prologue): Use regnames intead of float_reg_names when
11478 (c4x_function_epilogue): Likewise.
11479 (c4x_print_operand): Likewise.
11480 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
11481 * c4x.md (set_high): Disable for TARGET_TI.
11483 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11485 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
11486 of framepointer + constant to ADDR_REGS class.
11487 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
11488 * c4x.c (std_or_reg_operand): New function.
11489 * c4x-protos.h (std_or_reg_operand): Prototype it.
11491 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11493 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
11494 object names as libgcc2.c.
11495 * libgcc.S: Use newly defined names.
11497 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
11498 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
11500 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
11501 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
11502 (FLOW_LOOP_LAST_BLOCK): Likewise.
11504 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11506 * basic-block.h (struct loop): New fields 'first' and 'last'.
11507 * flow.c (flow_loops_find): Compute loop->first and loop->last.
11508 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
11509 and loop->last to check for NOTE_INSN_LOOP_END.
11511 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
11513 * predict.c (estimate_probability): Use the new FIRST and LAST fields
11514 of the loop descriptor rather than HEADER and LATCH. Also added
11515 missing break statements as well making some coding style modifications
11516 as suggested by Michael Hayes.
11518 2000-01-28 Richard Henderson <rth@cygnus.com>
11520 * flow.c (find_basic_blocks): Remove do_cleanup argument.
11521 Break out that code ...
11522 (cleanup_cfg): ... here.
11523 (commit_one_edge_insertion): Detect a return instruction being
11524 emitted to an edge. Emit a barrier following; clear fallthru.
11525 (commit_edge_insertions): Verify CFG consistency.
11526 * function.c (expand_function_start): Kill unused variable.
11527 (expand_function_end): Likewise.
11528 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
11529 to insert the epilogue.
11531 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
11532 (delete_null_pointer_checks): Likewise.
11533 * output.h: Likewise.
11534 * reg-stack.c (reg_to_stack): Likewise.
11535 * toplev.c (rest_of_compilation): Likewise. Run
11536 thread_prologue_and_epilogue_insns after rebuilding the CFG.
11538 2000-01-28 Richard Henderson <rth@cygnus.com>
11540 * Makefile.in (flow.o): Revert 24 Jan change.
11541 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
11542 FUNCTION_VALUE result to DECL_RESULT's mode.
11544 * haifa-sched.c (schedule_insns): Don't recompute reg info
11547 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
11549 * configure.in: Make --enable-cpplib the default.
11550 * configure: Regenerate.
11551 * gcc.dg/990119-1.c: No longer expected to fail.
11553 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
11555 * jump.c (jump_optimize_1): Delete an optimization that is also done
11556 by merge_blocks in flow.
11558 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11560 * diagnostic.c (build_message_string, output_printf,
11561 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
11562 (build_location_prefix): Fix non-literal format string.
11564 2000-01-27 Richard Henderson <rth@cygnus.com>
11566 * alpha.md (trunctfsf2): New.
11568 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
11570 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
11572 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11574 * cppinit.c (cpp_handle_option): Recognize C++ comments under
11576 * cpplib.c (skip_block_comment, skip_line_comment): Split code
11578 (skip_comment) ... here. Permit C++ comments in system
11579 headers always. Warn about C++ comments in user code under
11580 -std=gnu89 -pedantic.
11581 (copy_comment): Use skip_comment.
11582 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
11584 (consider_directive_while_skipping, do_else, do_endif): Call
11585 validate_else unconditionally.
11586 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
11587 text after the conditional in a system header.
11588 * cpplib.h (struct cpp_buffer): Add flag
11589 warned_cplusplus_comments.
11591 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11593 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
11594 Use unshare_all_rtl_1.
11595 (unshare_all_rtl_again): New function.
11596 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
11598 * function.c (purge_addressof_1): Use unshare_all_rtl_again
11599 rather than resetting the 'used' flags ourself.
11601 * toplev.c (rest_of_compilation): Add current_function_decl
11602 to the unshare_all_rtl call.
11603 * tree.h: Prototype unshare_all_rtl.
11604 * rtl.h: Prototype unshare_all_rtl_again here.
11606 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11608 * genoutput.c (output_prologue): Include ggc.h in generated
11610 * Makefile.in (insn-output.o): Depends on ggc.h.
11612 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
11613 Hans-Peter Nilsson <hp@bitrange.com>
11615 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
11616 Remove redundant include of xm-ns32k.h.
11617 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
11618 Remove redundant include of xm-ns32k.h.
11619 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
11620 Remove redundant include of xm-ns32k.h.
11621 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
11623 * ns32k/ns32k.h: Update comment on multiply-add instructions.
11624 (TARGET_SWITCHES): Add documentation strings.
11625 (DWARF_FRAME_REGNUM): Override default definition.
11626 (REG_CLASS_CONTENTS): Add comments.
11627 (SUBSET_P): Format to reduce line length.
11628 (SMALL_REGISTER_CLASSES): Make a run time option.
11629 (GO_IF_NONINDEXED_ADDRESS): Reformat.
11630 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
11631 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
11632 (regclass_map): fix typo in comment.
11633 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
11634 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
11635 (trace, reg_or_mem_operand): Delete, unused function.
11636 (calc_address_cost): Small offsets are cheaper than large ones.
11637 (expand_block_move): Generate more efficient code when bytes is a
11638 known at compile time.
11639 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
11640 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
11641 instead of reg_or_mem_operand.
11643 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
11644 not general_operand. Similarly use "=rm" or stricter, not "=g".
11645 For input operands, use stricter constraints than "g" if not
11646 general_operand. Similarly use stricter predicate than
11647 "general_operand" when stricter constraints than "g" are present,
11648 except for matching constraints.
11649 (movstrsi): Use "memory_operand" for operands 0 and 1.
11650 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
11651 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
11652 not reg_or_mem_operand.
11653 (udivmoddisi4): Ditto.
11654 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
11655 Use nonimmediate_operand for operand 3, not register_operand.
11656 (udivmoddiqi4_internal): Use register_operand for operand 1, not
11657 reg_or_mem_operand.
11659 2000-01-27 Fred Fish <fnf@be.com>
11661 * gthr-posix.h: Fix typo; compatibily -> compatibility.
11662 * gthr-single.h: Likewise.
11663 * gthr-solaris.h: Likewise.
11664 * gthr-vxworks.h: Likewise.
11665 * gthr-win32.h: Likewise.
11666 * gthr.h: Likewise.
11668 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11670 * cppinit.c: Add " (cpplib)" to end of string printed by
11673 2000-01-27 Richard Henderson <rth@cygnus.com>
11675 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
11676 testing for a signed comparison.
11677 (alpha_emit_floatuns): New.
11678 * alpha-protos.h: Declare it.
11679 * alpha.md (floatunsdisf2, floatunsdidf2): New.
11680 (extendsfdf2): Tidy.
11682 2000-01-27 Jakub Jelinek <jakub@redhat.com>
11684 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
11685 no -g option specifying debugging format, default to -gstabs+.
11687 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11689 * calls.c (special_function_p): New argument fork_or_exec.
11690 (expand_call): When profile_arc_flag is set and the function
11691 is in the fork_or_exec group, call __bb_fork_func first.
11692 * libgcc2.c, _bb module (__bb_fork_func): New function.
11693 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
11695 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
11696 * tree.h (special_function_p): Update prototype.
11698 2000-01-26 Richard Henderson <rth@cygnus.com>
11700 * alpha.c (alpha_split_tfmode_pair): New.
11701 * alpha-protos.h: Declare it.
11702 * alpha.md (abstf2, negtf2): New.
11703 (movtf insn): Add input G constraint.
11704 (movtf splitter): Use alpha_split_tfmode_pair.
11706 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11708 * i386/cygwin.h: PROTO -> PARAMS.
11710 2000-01-26 Jakub Jelinek <jakub@redhat.com>
11712 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
11713 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
11714 using _Qp_cmp/_Q_cmp and testing the return value.
11715 (print_operand): Call reverse_condition_maybe_unordered if
11716 we are handling CCFPmode or CCFPEmode.
11717 Handle ORDERED, UN* and LTGT comparisons.
11718 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
11719 if not TARGET_HARD_QUAD.
11720 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
11721 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
11722 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
11723 Adjust gen_b* calls so that they reflect return comparison of
11724 sparc_emit_float_lib_cmp.
11726 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11728 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
11729 incoming operands array is large enough for one more operand.
11730 (alpha_emit_xfloating_arith): Likewise.
11732 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11734 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
11735 file with one line and no trailing newline.
11736 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
11737 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
11738 checking if the match is on the line.
11739 * fixinc/gnu-regex.c: Provide regerror not __regerror.
11741 2000-01-25 Richard Henderson <rth@cygnus.com>
11743 * sparc.c (output_cbranch): Fix accidental squashing of the
11744 fp branch pre-delay nop.
11746 2000-01-25 Richard Henderson <rth@cygnus.com>
11748 * tree.def (UNNE_EXPR): Remove.
11749 * c-typeck.c (build_binary_op): Don't handle it.
11750 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
11752 * rtl.def (UNNE): Remove.
11754 * jump.c (reverse_condition): Update accordingly.
11755 (swap_condition): Likewise.
11756 (comparison_dominates_p): Handle unordered comparisons.
11757 (reverse_condition_maybe_unordered): New.
11758 * rtl.h (reverse_condition_maybe_unordered): Declare.
11760 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
11761 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
11762 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
11763 * sparc.md (bltgt): New.
11765 2000-01-25 Nick Clifton <nickc@redhat.com>
11767 * emit-rtl.c (emit_insn): Only check machine class insns for
11768 improper emission of a RETURN.
11770 2000-01-25 Richard Henderson <rth@cygnus.com>
11772 * Makefile.in (flow.o): Depend on $(EXPR_H).
11773 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
11774 duplicate the structure of diddle_return_value for keeping regs live.
11776 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11778 * loop.c (current_loop_info): Delete.
11779 (consec_sets_invariant_p): Add loop argument, update callers.
11780 (get_condition_for_loop): Likewise.
11781 (count_nonfixed_reads, update_giv_derive): Likewise.
11782 (simplify_giv_expr, general_induction_var): Likewise.
11783 (consec_sets_giv, recombine_givs): Likewise.
11784 (move_movables): Delete loop_start and loop_end arguments,
11785 add loop argument, and update callers.
11786 (find_mem_givs, check_final_value): Likewise.
11787 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
11788 (loop_invariant_p): Rename from invariant_p, add loop argument, and
11790 (basic_induction_var): Add loop argument, delete loop_level argument,
11791 and update callers.
11792 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
11793 add loop argument, and update callers.
11794 (find_splittable_regs, find_splittable_givs): Likewise.
11795 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
11796 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
11797 (biv_total_increment): Delete loop_start and loop_end arguments;
11799 (precondition_loop_p): Delete loop_start and loop_info arguments;
11801 * loop.h (get_condition_for_loop): Add loop argument.
11802 (biv_total_increment): Delete loop_start and loop_end arguments.
11803 (precondition_loop_p): Delete loop_start and loop_info arguments;
11805 (final_biv_value): Delete loop_start and loop_end arguments;
11807 (final_giv_value, back_branch_in_range_p): Likewise.
11809 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11811 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
11813 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11815 * Makefile.in (c-gperf.h) : Change the "See" pointer to
11816 point to the new "generated_files" doc.
11818 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11820 * config/fp-bit.c (_unord_f2): Fix typo.
11822 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11824 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
11825 c-typeck.c, objc/objc-act.c: Remove all references to obstack
11826 functions obsoleted by GC, such as push_obstacks_nochange,
11827 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
11828 and code which existed only to decide whether or not to call
11829 them. Remove now-unused NESTED argument from start_function;
11830 all callers changed. Do not change behavior based on ggc_p.
11831 The use of the ixp_obstack in c-iterate.c and the util_obstack
11832 in objc/objc-act.c remain; these are not obsoleted by garbage
11834 * c-tree.h: Update prototype for start_function.
11836 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
11838 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11840 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
11843 2000-01-25 Richard Henderson <rth@cygnus.com>
11845 * sparc-protos.h (select_cc_mode): Declare.
11846 * sparc.c (select_cc_mode): New. Handle unordered compares.
11847 (output_cbranch): Always reverse via code change. Handle
11848 unordered compares. Factor tests and string updates.
11849 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
11850 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
11851 * sparc.md (bunordered, bordered): New.
11852 (bungt, bunlt, buneq, bunge, bunle): New.
11854 2000-01-25 Richard Henderson <rth@cygnus.com>
11856 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
11857 * ggc-common.c (ggc_add_rtx_varray_root): New.
11858 (ggc_mark_rtx_varray): New.
11859 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
11860 functions down below ggc_mark_foo.
11861 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
11863 2000-01-25 Richard Henderson <rth@cygnus.com>
11865 * alpha.c (secondary_reload_class): Don't allocate a secondary
11866 for integral mode memories into FLOAT_REGS. Rearrange the more
11867 complicated memory expression inward.
11869 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11871 * inclhack.def: Fixes to play nicer with FreeBSD, and
11872 corrections to comments.
11873 (cxx_unready): Add select expression.
11874 (irix_sockaddr): Add bypass expression.
11875 (machine_ansi_h_va_list): New fix.
11876 (stdio_va_list): No need to edit _BSD_VA_LIST_.
11877 Split out addition of "#include <stdarg.h>" to...
11878 (stdio_stdarg_h): ... here.
11879 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
11880 to stdlib.h also. Do not munge _BSD_SIZE_T_.
11881 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
11883 (ultrix_ifdef): Tighten up select expression.
11885 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
11886 re_ct and max_mach to avoid use of shell. Make printed names
11887 match names in inclhack.def. Use static copyright date.
11888 Don't count c_test and test expressions as requiring regex_t
11889 slots. Add some commentary.
11890 * inclhack.tpl: Do not include the 'This script contains N
11891 fixup scripts' line if PROGRAM is defined. Use static
11894 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
11896 * dwarf2out.c: include "varray.h", not dyn-string.h.
11897 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
11898 (addr_const_to_string, addr_to_string): Lose.
11899 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
11900 (struct dw_val_struct): val_addr is now an rtx.
11901 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
11902 (used_rtx_varray): New varray.
11903 (dwarf2out_init): Initialize it.
11904 (save_rtx): New fn.
11905 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
11907 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
11908 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
11909 * Makefile.in (dwarf2out.o): Update dependencies.
11911 2000-01-24 Richard Henderson <rth@cygnus.com>
11913 * i386.c (i386_dwarf_output_addr_const): New.
11914 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
11916 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
11918 * dwarfout.c (output_mem_loc_descriptor): Likewise.
11919 * i386.c (i386_simplify_dwarf_addr): New.
11920 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
11922 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
11924 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
11925 TYPE_STUB_DECL is NULL.
11927 2000-01-24 Richard Henderson <rth@cygnus.com>
11929 * builtins.c (expand_tree_builtin): Move ...
11930 * c-common.c (expand_tree_builtin): ... here.
11932 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11934 * loop.h (LOOP_INFO): New accessor macro.
11935 * basic-block.h (struct loop): Rename field `info' to `aux'.
11936 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
11937 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
11938 * unroll.c (loop_iterations, unroll_loop): Likewise.
11940 2000-01-24 Christopher Faylor <cgf@cygnus.com>
11942 * config/i386/t-cygwin: Accomodate new winsup directory layout
11943 when searching for include files.
11945 2000-01-24 Richard Henderson <rth@cygnus.com>
11947 * rtl.def: Add unordered fp comparisions.
11948 * tree.def: Likewise.
11949 * tree.h: Add ISO C 9x unordered fp comparision builtins.
11951 * builtins.c (expand_tree_builtin): New function.
11952 * c-typeck.c (build_function_call): Use it.
11953 (build_binary_op): Support unordered compares.
11954 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
11956 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
11957 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
11958 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
11959 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
11960 * jump.c (reverse_condition): Don't abort for UNLE etc, but
11962 (swap_condition): Handle unordered compares.
11963 (thread_jumps): Check can_reverse before reversing.
11964 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
11967 * optabs.c (can_compare_p): New argument CODE. Verify branch or
11968 setcc is present before acking for cmp_optab. Update all callers.
11969 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
11970 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
11971 * expr.c (expand_expr): Likewise. Support unordered compares.
11972 (do_jump, do_store_flag): Likewise.
11973 * expr.h (enum libfunc_index): Add unordered compares.
11975 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
11976 (DPBIT_FUNCS): Add _unord_df.
11977 * config/fp-bit.c (_unord_f2): New.
11978 * fp-test.c (main): Try unordered compare builtins.
11980 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
11981 * alpha.c (alpha_comparison_operator): Check mode properly.
11982 (alpha_swapped_comparison_operator): Likewise.
11983 (signed_comparison_operator): Likewise.
11984 (alpha_fp_comparison_operator): New.
11985 (alpha_emit_conditional_branch): Handle unordered compares.
11986 * alpha.h (PREDICATE_CODES): Update.
11987 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
11988 (bunordered, bordered): New.
11990 2000-01-24 Richard Henderson <rth@cygnus.com>
11992 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
11993 * alpha.md (movtf): New expander, insn, and splitter.
11995 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
11997 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12000 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
12002 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
12003 (FIXED_REGISTERS, CALL_USED_REGISTERS,
12004 REG_ALLOC_ORDER): Add frame pointer
12005 (FRAME_POINTER_REGNUM): Set to 20
12006 (HARD_FRAME_POINTER_REGNUM): New macro.
12007 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
12008 to HARD_FRAME_POINTER.
12009 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
12010 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
12011 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
12012 (HI_REGISTER_NAMES): Add "frame".
12013 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
12014 (debug_reg): Handle FRAME_POINTER_REGNUM.
12015 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
12016 GENERAL_REGS and INDEX_REGS.
12017 * i386.c (SAVED_REGS_FIRST): new macro.
12018 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
12019 (ix86_decompose_address, memory_address_length): Likewise.
12020 (regclass_map): Add frame pointer.
12021 (call_insn_operand): Handle frame_pointer_rtx.
12022 (reg_no_sp_operand): Likewise.
12023 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
12024 (print_operand, legitimize_pic_address): Fix formating.
12025 (ix86_compute_frame_size): Make static, update prototype, new
12026 parameters padding1, padding2, use ix86_nsaved_regs, use
12027 stack_alignment_needed.
12028 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
12029 to HARD_FRAME_POINTER_REGNUM conversions.
12030 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
12031 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
12032 (print_reg): Abort on FRAME_POINTER_REGNUM
12034 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
12036 * i386.h (PREDICATE_CODES): Add aligned_operand.
12037 * i386.c (aligned_operand): New function.
12038 (ix86_aligned_p): Kill.
12039 * i386.md (movhi_1): Emit mov for aligned operands.
12040 (promoting peep2s): Use aligned_operand.
12042 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
12044 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
12045 expression to allow underscores in macro names.
12046 (fix_char_macro_defines): Increment scanning pointer.
12048 2000-01-23 Richard Henderson <rth@cygnus.com>
12050 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
12051 * alpha/osf5.h: New file.
12052 * configure.in (alpha-*-osf5): Add it to tm_file.
12054 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
12056 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
12057 (alpha_emit_xfloating_cvt, function_arg): Declare.
12058 * alpha.c (alpha_emit_conditional_branch): Call
12059 alpha_emit_xfloating_compare for TFmode compares.
12060 (alpha_lookup_xfloating_lib_func): New.
12061 (alpha_compute_xfloating_mode_arg): New.
12062 (alpha_emit_xfloating_libcall): New.
12063 (alpha_emit_xfloating_arith): New.
12064 (alpha_emit_xfloating_compare): New.
12065 (alpha_emit_xfloating_cvt): New.
12066 (print_operand): Add default abort case.
12067 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
12068 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
12069 (BIGGEST_ALIGNMENT): Increase to 128 bits.
12070 (RETURN_IN_MEMORY): True for TF/TCmode.
12071 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
12072 (FUNCTION_ARG): Move to function_arg.
12073 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
12074 (ASM_OUTPUT_LONG_DOUBLE): New.
12075 (ASM_OUTPUT_DOUBLE): Always output bits.
12076 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
12077 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
12078 (extenddftf2, trunctfdf2): New.
12080 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12082 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
12083 * config/sparc/sol2.h: ... here.
12085 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12087 * basic-block.h (struct loops): New field `levels'.
12088 * flow.c (flow_loops_level_compute): Traverse all outer loops.
12089 (flow_loop_level_compute): Initialise level to 1.
12090 (flow_loops_find): Set loops->levels.
12091 (flow_loops_dump): Print loops->levels.
12093 2000-01-23 Richard Henderson <rth@cygnus.com>
12095 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
12096 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
12098 2000-01-23 Richard Henderson <rth@cygnus.com>
12100 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
12101 * i386.h (DBX_REGISTER_NUMBER): Use them.
12102 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
12103 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
12104 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
12105 * i386/sequent.h: Kill incorrect comment.
12107 2000-01-23 Mark Mitchell <mark@codesourcery.com>
12109 * ggc-page.c (struct page_entry): Make `context_depth' an
12111 (struct globals): Likewise.
12113 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
12115 * loop.c (check_dbra_loop): When checking a loop for
12116 reversability, check the source of any stores to ensure
12117 they don't depend on an initial value.
12119 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12121 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
12123 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
12125 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
12126 'pz_scan' into scope of entire function. Only affects
12127 compiles with -DDEBUG.
12129 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
12131 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
12132 section naming to that prior to 2000-01-07 patch.
12133 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
12134 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
12135 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
12136 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
12137 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
12139 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
12141 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
12144 2000-01-21 Jim Wilson <wilson@cygnus.com>
12146 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
12147 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
12149 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12151 * cpphash.c (change_newlines): Delete function.
12152 (struct argdata): Delete 'newlines' and 'use_count' fields.
12153 (macroexpand): Remove code referencing those fields.
12155 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12157 * loop.c (loops_info): New variable.
12158 (loop_optimize): Allocate loops->array and free it on exit.
12159 Allocate memory for loops_info and assign to each loop,
12161 (find_and_verify_loops): Do not allocate loops->array.
12163 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12165 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
12167 2000-01-21 Jakub Jelinek <jakub@redhat.com>
12169 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
12170 pseudos if expanded after first flow.
12171 (movdi_pic_label_ref): Likewise.
12173 2000-01-20 Richard Henderson <rth@cygnus.com>
12175 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
12177 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
12179 * Makefile.in (fixinc.sh): Depend on specs.
12180 * fixinc/Makefile.in: Add rule to create machname.h.
12181 (fixlib.o): Depend on machname.h.
12182 * fixinc/fixtests.c (machine_name): New test.
12183 * fixinc/fixfixes.c (machine_name): New fix.
12184 * fixinc/fixlib.c (mn_get_regexps): New helper function for
12185 the machine_name test and fix.
12186 * fixinc/fixlib.h: Prototype it.
12187 * fixinc/inclhack.def (machine_name): Use the C test and fix.
12188 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
12190 * gcc.c (do_spec_1) [case P]: Take care not to create
12191 identifiers with three leading or trailing underscores.
12193 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
12194 (fixincl): Don't specify libraries twice on link line.
12195 (gnu-regex.o): Remove special rule.
12196 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
12197 defined by config.h. Do not define _REGEX_RE_COMP.
12198 (regcomp): Allocate and initialize a fastmap.
12199 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
12201 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
12203 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
12205 2000-01-19 Richard Henderson <rth@cygnus.com>
12207 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
12208 arguments with BB. Update all callers. Tidy line wrapping.
12210 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
12212 * emit-rtl.c (try_split): Return last_insn if we split the
12215 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
12217 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
12218 (ix86_initial_elimination_offset): Declare.
12219 * i386.c (ix86_nsaved_regs): Break out from ...
12220 (ix86_can_use_return_insn_p): ... here.
12221 (ix86_emit_save_regs): Break out from ...
12222 (ix86_expand_prologue): ... here.
12223 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
12225 (ix86_expand_epilogue): ... here.
12226 (ix86_compute_frame_size): Make static, add prototype.
12227 (ix86_initial_elimination_offset): Break out from ...
12228 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
12230 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12232 * recog.h (OUT_FCN): Delete.
12234 * vax.md: Call `get_insn_template' instead of OUT_FCN.
12236 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12238 * cppalloc.c: PROTO -> PARAMS.
12239 * cpperror.c: Likewise.
12240 * cppfiles.c: Likewise.
12241 * cpplib.c: Likewise.
12242 * cpplib.h: Likewise.
12244 * config/arm/arm-protos.h: PROTO -> PARAMS.
12245 * config/arm/arm.c: Likewise.
12246 * config/c4x/c4x.c: Likewise.
12247 * config/fr30/fr30-protos.h: Likewise.
12248 * config/nextstep.c: Likewise.
12249 * config/pa/pa.c: Likewise.
12250 * config/pj/pj.c: Likewise.
12251 * config/rs6000/rs6000.c: Likewise.
12252 * config/v850/v850-protos.h: Likewise.
12253 * config/v850/v850.c: Likewise.
12255 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12257 * i370-protos.h: New file.
12259 * i370.c: Include tm_p.h. Fix compile time warnings.
12261 * i370.h: Move prototypes to i370-protos.h. Fix compile time
12264 * i370.md: Likewise.
12266 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12268 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
12269 (target_isinf, target_isnan, eisnan): Mark parameter with
12271 (eiisinf): Wrap in INFINITY.
12272 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
12273 (ibmtoe): Remove unused variable `rndsav'.
12275 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12277 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
12278 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
12280 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
12282 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
12283 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
12284 (fix_char_macro_defines, fix_char_macro_uses): New functions.
12286 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
12287 Recognize Emacs mode markers also.
12288 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
12289 C++ comments in C++ headers. Call is_cxx_header only if
12292 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
12293 bypass for ncurses.
12294 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
12295 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
12296 ... these, which use the new C fixes.
12297 (math_exception): Escape literal '+' in bypass expression.
12299 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
12302 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12304 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
12307 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12309 * loop.c (loop_optimize): Allocate loop_info structure for each loop
12310 prior to calling scan_loop.
12312 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12314 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
12315 (split_branches, calc_live_regs): Likewise.
12317 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12319 * sh.md (fpu_single, fp_mode): New attributes.
12321 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12323 * loop.c (current_loop_info): Renamed from loop_info_data
12324 and changed to a pointer.
12325 (loop_optimize): Allocate loop_info structure for each loop
12326 and initialise to zero.
12327 (scan_loop): Set current_loop_info.
12329 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
12332 2000-01-19 Richard Henderson <rth@cygnus.com>
12334 * stupid.c: Die die die.
12335 * Makefile.in (OBJS): Remove stupid.o.
12336 (stupid.o): Likewise.
12338 * except.c (emit_eh_context): Don't emit USEs for stupid.
12339 * explow.c (probe_stack_range): Likewise.
12340 * flags.h (obey_regdecls): Remove.
12341 * flow.c (find_basic_blocks): Don't run try_merge_blocks
12342 when not optimizing.
12343 (life_analysis): Limit data collection when not optimizing.
12344 (mark_regs_live_at_end): Always mark the return value registers.
12345 (mark_used_regs): Remove dummy RETURN case.
12346 (print_rtl_with_bb): Don't consult obey_regdecls.
12347 * function.c (use_variable, use_variable_after): Remove.
12348 (assign_parms): Consult optimize not obey_regdecls.
12349 (expand_function_start): Don't emit USEs for stupid.
12350 (expand_function_end): Likewise.
12351 * global.c (build_insn_chain): Export.
12352 * integrate.c (expand_inline_function): Kill return-value USE
12354 * jump.c (jump_optimize_1): Do simple jump optimizations and
12355 dead code elimination.
12356 (calculate_can_reach_end): Remove check_deleted argument.
12357 (delete_insn): Patch out insns even when not optimizing.
12358 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
12359 * rtl.h (use_variable, use_variable_after): Remove declarations.
12360 (build_insn_chain): Declare.
12361 * stmt.c (expand_value_return): Don't emit USEs for stupid.
12362 (expand_end_bindings): Likewise.
12363 (expand_decl): Likewise. Consult optimize not obey_regdecls.
12364 * toplev.c (obey_regdecls): Remove.
12365 (rest_of_compilation): Don't set it. Kill stupid in favour of
12366 flow1, local-alloc, and reload.
12367 (main): Don't set obey_regdecls.
12369 * config/nextstep.c (handle_pragma): Likewise.
12371 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
12373 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
12375 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12377 * alpha-protos.h: PROTO -> PARAMS.
12378 * alpha.c: Likewise.
12380 * h8300.c: Likewise.
12381 * i386-protos.h: Likewise.
12382 * i386.c: Likewise.
12383 * m32r-protos.h: Likewise.
12384 * m32r.c: Likewise.
12385 * mips.c: Likewise.
12386 * mips.md: Likewise.
12387 * gmon-sol2.c: Likewise.
12388 * sparc.c: Likewise.
12390 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12392 * ns32k-protos.h: New file.
12394 * ns32k.c: Fix compile time warnings.
12396 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
12399 * ns32k.md: Likewise.
12401 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12403 * vax-protos.h: New file.
12405 * vax.c: Fix compile time warnings.
12407 * vax.h: Move prototypes to vax-protos.h. Fix compile time
12410 * vax.md: Likewise.
12412 * vaxv.md: Likewise.
12414 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12416 * romp-protos.h: New file.
12418 * romp.c: Fix compile time warnings.
12420 * romp.h: Move prototypes to romp-protos.h. Fix compile time
12423 * romp.md: Likewise.
12425 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12427 * we32k-protos.h: New file.
12429 * we32k.c: Fix compile time warnings.
12431 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
12434 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12436 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
12438 * except.c (eh_regs): Likewise.
12440 * final.c (output_operand): Likewise.
12442 * fold-const.c (target_isinf, target_isnan): Likewise.
12444 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12446 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
12447 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
12449 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
12450 when optimize_size.
12451 (clrstrsi): Rewrite.
12452 (strsethi, strsetqi): New expanders.
12453 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
12454 (cmpstrsi): Emit compare insn before cmpstrsi_1
12455 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
12456 (strlensi_1): Likewise.
12457 (cmpstrsi_1): Likewise; do not output compare.
12458 (strlen expander): Do not unroll when optimizing for size.
12459 (*subsi3_carry): Rename to subsi3_carry
12460 (addqi3_cc): New pattern.
12461 * i386.h (processor_costs): Add move_ratio field.
12462 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
12463 * i386.c (*_cost): Set move_ratio.
12464 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
12465 (x86_expand_strlensi_1): Rewrite the main loop.
12467 2000-01-17 Richard Henderson <rth@cygnus.com>
12469 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
12470 * cse.c (find_comparison_args, fold_rtx): Likewise.
12471 * integrate.c (subst_constants): Likewise.
12472 * loop.c (get_condition): Likewise.
12474 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
12476 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
12478 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12480 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
12481 (RESTORE_WARN_FLAGS): Unpack it.
12482 Change semantic type of extension to ttype.
12483 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
12484 * c-parse.y, c-parse.c, objc/objc-parse.y,
12485 objc/objc-parse.c: Regenerate.
12487 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
12489 * fixinc/fixlib.c: Add copyright notice.
12490 (compile_re): New function.
12491 * fixinc/fixlib.h: Prototype compile_re.
12493 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
12494 Use compile_re to compile regular expressions.
12496 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
12497 where the pattern matched.
12499 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
12501 (ultrix_ansi_compat): Likewise.
12502 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
12504 (interactv_add2, interactv_add3): Delete.
12505 (x11_sprintf): Don't use filename glob.
12506 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
12509 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12511 * print-rtl.c: PROTO -> PARAMS.
12512 * real.c: Likewise.
12513 * reg-stack.c: Likewise.
12514 * resource.c: Likewise.
12515 * sdbout.h: Likewise.
12516 * simplify-rtx.c: Likewise.
12517 * stor-layout.c: Likewise.
12518 * stupid.c: Likewise.
12519 * xcoffout.c: Likewise.
12520 * xcoffout.h: Likewise.
12522 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12524 * toplev.c: PROTO -> PARAMS.
12525 * toplev.h: Likewise.
12526 * tree.c: Likewise.
12527 * tree.h: Likewise.
12528 * unroll.c: Likewise.
12529 * varasm.c: Likewise.
12530 * varray.c: Likewise.
12531 * varray.h: Likewise.
12533 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12535 * reload.c: PROTO -> PARAMS.
12536 * reload.h: Likewise.
12537 * reload1.c: Likewise.
12538 * reorg.c: Likewise.
12539 * resource.h: Likewise.
12542 * rtlanal.c: Likewise.
12543 * sbitmap.h: Likewise.
12544 * sdbout.c: Likewise.
12545 * stack.h: Likewise.
12546 * stmt.c: Likewise.
12547 * system.h: Likewise.
12549 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12551 * machmode.h: PROTO -> PARAMS.
12552 * mbchar.h: Likewise.
12553 * mips-tdump.c: Likewise.
12554 * mips-tfile.c: Likewise.
12555 * optabs.c: Likewise.
12556 * output.h: Likewise.
12557 * prefix.c: Likewise.
12558 * profile.c: Likewise.
12559 * protoize.c: Likewise.
12560 * real.h: Likewise.
12561 * recog.c: Likewise.
12562 * recog.h: Likewise.
12563 * regclass.c: Likewise.
12564 * regmove.c: Likewise.
12565 * regs.h: Likewise.
12567 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12569 * ggc-common.c: PROTO -> PARAMS.
12570 * ggc-page.c: Likewise.
12571 * ggc-simple.c: Likewise.
12573 * global.c: Likewise.
12574 * graph.c: Likewise.
12575 * gthr-win32.h: Likewise.
12576 * haifa-sched.c: Likewise.
12577 * halfpic.h: Likewise.
12578 * integrate.c: Likewise.
12579 * integrate.h: Likewise.
12580 * jump.c: Likewise.
12582 * local-alloc.c: Likewise.
12583 * loop.c: Likewise.
12584 * loop.h: Likewise.
12586 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12588 * genattr.c: PROTO -> PARAMS.
12589 * genattrtab.c: Likewise.
12590 * gencheck.c: Likewise.
12591 * gencodes.c: Likewise.
12592 * genconfig.c: Likewise.
12593 * genemit.c: Likewise.
12594 * genextract.c: Likewise.
12595 * genflags.c: Likewise.
12596 * gengenrtl.c: Likewise.
12597 * genopinit.c: Likewise.
12598 * genoutput.c: Likewise.
12599 * genpeep.c: Likewise.
12600 * genrecog.c: Likewise.
12602 2000-01-16 Mark Mitchell <mark@codesourcery.com>
12604 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
12606 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12608 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
12609 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
12610 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
12611 * configure, config.in: Rebuilt.
12613 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
12615 * config/i386/i386.md: Add peephole to merge successive stack
12618 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
12620 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
12621 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
12622 when walking backwards to find all the parameter loads when
12623 the basic block ends in a call.
12625 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12627 * loop.c (this_loop_info): Delete.
12628 (uid_loop): Add in place of uid_loop_num. All uses updated.
12629 (loop_number_exit_count): Delete and replace with entry in loop
12630 structure. All uses updated.
12631 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12632 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12633 (loop_outer_loop): Likewise.
12634 (loop_invalid, loop_number_exit_labels): Likewise.
12635 (loop_used_count_register): Delete and replace with entry in
12636 loop_info structure.
12637 (find_and_verify_loops): Add loops argument.
12638 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
12639 loop_end, etc. arguments with loop structure pointer. All callers
12641 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
12642 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
12643 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
12644 (insert_bct): Likewise.
12645 (basic_induction_var): New argument level.
12646 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
12647 vtop, and cont. Add used_count_register.
12648 (uid_loop): Delete declaration.
12649 (loop_number_exit_count): Likewise.
12650 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12651 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12652 (loop_outer_loop, loop_used_count_register): Likewise.
12653 (loop_invalid, loop_number_exit_labels): Likewise.
12654 (unroll_loop): Replace loop_start and loop_end arguments
12655 with loop structure pointer.
12656 (loop_precondition_p, loop_iterations): Likewise.
12657 Include basic-block.h.
12658 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
12659 with loop structure pointer.
12660 (loop_precondition_p, loop_iterations): Likewise.
12661 * basic-block.h (struct loop): New entries vtop, cont,
12662 cont_dominator, start, end, top, scan_start, exit_labels,
12664 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
12666 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12668 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
12670 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
12672 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
12674 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12676 * pdp11-protos.h: New file.
12678 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
12681 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
12684 * pdp11.md: Likewise.
12686 * 2bsd.h: Likewise.
12688 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12690 * mn10300-protos.h: New file.
12692 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
12695 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
12698 * mn10300.md: Likewise.
12700 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12702 * mn10200-protos.h: New file.
12704 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
12707 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
12710 * mn10200.md: Likewise.
12712 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12714 * h8300-protos.h: New file.
12716 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
12719 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
12722 * h8300.md: Likewise.
12724 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12726 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
12727 (asm_emit_uninitialised): Likewise.
12729 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
12731 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
12732 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
12734 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12736 * config/mips/mips.c (override_options): Don't turn on extra
12737 alignment for mips16.
12739 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12741 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
12742 eabi, and make sure queued POSTINCREMENT rtl is emitted at
12745 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12747 * builtins.c (PAD_VARARGS_DOWN): Define.
12748 (std_expand_builtin_va_arg): Use the above macro.
12749 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
12750 * tm.texi (Register Arguments): Document the above macro.
12752 2000-01-14 Nick Clifton <nickc@cygnus.com>
12754 * emit-rtl.c (emit_insn): If checking is enabled, make sure
12755 that this function has not been used to emit a jump
12758 * jump.c (return_jump_1): Cope with being passed a null rtx.
12760 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12762 * eh-common.h: PROTO -> PARAMS.
12763 * emit-rtl.c: Likewise.
12764 * errors.c: Likewise.
12765 * errors.h: Likewise.
12766 * except.c: Likewise.
12767 * except.h: Likewise.
12768 * explow.c: Likewise.
12769 * expmed.c: Likewise.
12770 * expr.c: Likewise.
12771 * expr.h: Likewise.
12772 * final.c: Likewise.
12773 * fix-header.c: Likewise.
12774 * flow.c: Likewise.
12775 * fold-const.c: Likewise.
12776 * function.c: Likewise.
12777 * function.h: Likewise.
12779 * gcov-io.h: Likewise.
12780 * gcov.c: Likewise.
12781 * gcse.c: Likewise.
12783 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12785 * sh-protos.h: New file.
12787 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
12788 Add static prototypes. Fix compile time warnings.
12790 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
12794 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12796 * arc-protos.h: New file.
12798 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
12801 * arc.h: Move prototypes to arc-protos.h. Fix compile time
12804 * arc.md: Likewise.
12806 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12808 * dsp16xx-protos.h: New file.
12810 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
12813 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
12816 * dsp16xx.md: Likewise.
12818 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12820 * convex-protos.h: New file.
12822 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
12825 * convex.h: Move prototypes to convex-protos.h. Fix compile time
12828 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12830 * elxsi-protos.h: New file.
12832 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
12835 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
12838 * elxsi.md: Likewise.
12840 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12842 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
12843 case for moving from HI/LO/HI_LO_REG. This makes the behavior
12844 match the comment for MIPS16.
12846 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
12848 * flow.c (split_edge): Do not call set_block_for_insn if we
12849 do not have a basic_block_for_insn structure.
12851 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
12852 and destination functions are 32bit aligned within the trampoline.
12853 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
12854 (TRAMPOLINE_ALIGNMENT): Define.
12856 * cse.c (cse_insn): When changing (set (pc) (reg)) to
12857 (set (pc) (label_ref)), verify the change creates a valid insn.
12859 * fr30.c (call_operand): Tighten and rework to match rules for
12860 call RTL expressions.
12861 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
12862 * fr30.md (call patterns): Improve constraints.
12864 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
12866 * fr30.c (fr30_expand_epilogue): Revert last change.
12867 Use emit_jump_insn for the return insn.
12869 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
12870 Stan Cox <scox@cygnus.com>
12872 * predict.c: New file. Preliminary infrastructure work for static
12873 branch prediction and basic block reordering.
12874 * basic-block.h: Add prototype for estimate_probability.
12875 * Makefile.in: Add rules for predict.o.
12877 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
12879 * fixincludes (va_list): Use __not_va_list__ for the dummy.
12880 * fixinc/*: Likewise.
12882 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12884 * cccp.c: PROTO -> PARAMS.
12885 * cexp.y: Likewise.
12886 * collect2.c: Likewise.
12887 * combine.c: Likewise.
12888 * convert.h: Likewise.
12890 * dbxout.c: Likewise.
12891 * dbxout.h: Likewise.
12892 * diagnostic.c: Likewise.
12893 * doprint.c: Likewise.
12894 * dwarf2out.c: Likewise.
12895 * dwarf2out.h: Likewise.
12896 * dwarfout.c: Likewise.
12897 * dwarfout.h: Likewise.
12898 * dyn-string.h: Likewise.
12900 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12902 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
12903 macro conditionals guarding use.
12905 * dwarf2out.c: Include "tm_p.h".
12907 * function.c (locate_and_pad_parm): Mark parameter with
12909 (expand_function_end): Likewise for variable `context'.
12911 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
12913 2000-01-13 Nick Clifton <nickc@cygnus.com>
12915 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
12916 register to prevent compile time warnings.
12918 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
12920 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
12921 to avoid -Wtraditional warning.
12923 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12925 * 1750a-protos.h: New file.
12927 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
12930 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
12933 * 1750a.md: Likewise.
12935 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12937 * a29k-protos.h: New file.
12939 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
12942 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
12945 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12947 * clipper-protos.h: New file.
12949 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
12952 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
12955 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12957 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
12959 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
12961 * configure.in (--enable-new-gxx-abi): New option.
12962 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
12963 * Makefile.in (GXX_ABI_FLAG): New variable.
12964 * configure: Regenerate.
12966 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12968 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
12969 * tm.texi (FORCE_STRUCT_BLK): Document.
12970 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
12972 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
12974 * config/ns32k/ns32k.md: Revert Jan 9 change.
12976 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
12977 to a mode-test, if the predicate is address_operand.
12979 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
12981 * combine.c (if_then_else_cond): Be careful about what kinds
12982 of RTL expressions are passed to operand_subword.
12984 * flow.c (split_edge): If we have to insert a new jump, make
12985 sure to associate it with a basic block.
12987 * flow.c (commit_one_edge_insertion): A block with one successor
12988 can end in a JUMP_INSN that is not a simplejump.
12990 2000-01-12 Robert Lipe <robertl@sco.com>
12992 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
12993 (BUILD_VA_LIST_TYPE): Define.
12994 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
12997 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
12999 * cccp.c (do_pragma): Add cast to (char *).
13001 2000-01-12 Richard Henderson <rth@cygnus.com>
13002 Fred Fish <fnf@be.com>
13003 Jason Merrill <jason@cygnus.com>
13005 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
13006 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
13007 * i386/beos-elf.h, i386/beos-pe.h: New files.
13009 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
13010 * cross-make (SYSTEM_HEADER_DIR): Define using
13011 CROSS_SYSTEM_HEADER_DIR.
13013 * gcc.c (LIBRARY_PATH_ENV): Provide default.
13014 (process_command): Use it.
13015 (main): Likewise. Kill trailing = from env vars.
13016 (build_search_list): Put it back.
13017 * collect2.c (main): Use LIBRARY_PATH_ENV.
13019 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
13020 * toplev.c: Use NEED_DECLARATION_ENVIRON.
13022 * tm.texi (Frame Layout): Document SMALL_STACK.
13023 * c-common.c (c_common_nodes_and_builtins): Check it.
13025 * system.h: Undef alloca after including glibc's <stdlib.h>,
13026 if USE_C_ALLOCA is defined.
13028 * gcc.c (set_input): New fn.
13029 (main): After all input files are compiled, reset the input file
13032 * aclocal.m4 (rindex, index): If already defined, don't attempt
13035 * ginclude/varargs.h: (__va_list__): Define ifndef.
13036 * ginclude/stdarg.h: Likewise.
13038 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
13039 instead of unsigned char.
13041 * hash.h (true, false, boolean): Undef before enum.
13043 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
13044 proper type of "HOST_WIDE_INT *", rather than their natural type of
13045 "unsigned HOST_WIDE_INT *".
13047 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13049 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
13051 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
13053 * regclass.c (choose_hard_reg_mode): Likewise.
13055 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
13057 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
13059 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13061 * c-common.c: PROTO -> PARAMS.
13062 * c-common.h: Likewise.
13063 * c-decl.c: Likewise.
13064 * c-iterate.c: Likewise.
13065 * c-lang.c: Likewise.
13066 * c-lex.c: Likewise.
13067 * c-lex.h: Likewise.
13068 * c-parse.in: Likewise.
13069 * c-pragma.c: Likewise.
13070 * c-pragma.h: Likewise.
13071 * c-tree.h: Likewise.
13072 * c-typeck.c: Likewise.
13073 * objc/objc-act.c: Likewise.
13074 * objc/objc-act.h: Likewise.
13076 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13078 * m88k-protos.h: New file.
13080 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
13083 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
13085 * m88k.md: Likewise.
13087 * tekXD88.h: Likewise.
13089 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13091 * m68k-protos.h: New file.
13093 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
13096 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
13098 * mot3300.h: Likewise.
13100 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
13102 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
13104 (extract_bitlist): Declare bitlen.
13106 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
13108 * cccp.c: Accept and ignore -lang-fortran.
13110 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
13111 qualifiers don't match at any level of pointerness.
13113 2000-01-12 Robert Lipe <robertl@sco.com>
13115 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
13117 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
13119 * reload1.c (reload_reg_unavailable): New static variable.
13120 (reload_reg_free_p): Test it.
13121 (reload_reg_free_for_value_p): Test it instead of
13123 (choose_reload_regs_init): Compute it.
13125 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
13127 * reorg.c (fill_slots_from_thread): Check modified_in_p
13130 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
13132 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
13133 these nodes even if INTERNALS is not set.
13135 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
13137 * gcse.c (delete_null_pointer_checks_1): Cope when
13138 get_condition cannot determine the condition.
13140 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
13142 * toplev.h (set_message_length): Declare.
13144 * diagnostic.c (obstack_chunk_alloc): Define macro.
13145 (obstack_chunk_free): Likewise.
13146 (struct output_buffer): New data structure.
13147 (vmessage): Remove.
13148 (output_maximum_width): New variable.
13149 (doing_line_wrapping, set_message_length, init_output_buffer,
13150 get_output_prefix, output_space_left, emit_output_prefix,
13151 output_newline, output_append, output_puts, dump_output,
13152 vbuild_message_string, build_message_string, build_location_prefix,
13153 voutput_notice, output_printf, line_wrapper_printf,
13154 vline_wrapper_message_with_location): New functions. Implement
13155 automatic line wrapping.
13156 (v_message_with_decl): Make it handle automatic line wrapping.
13157 (v_error_with_file_and_line): Likewise.
13158 (v_warning_with_file_and_line): Likewise.
13159 (announce_function): Likewise.
13160 (default_print_error_function): Likewise.
13162 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
13164 * cpplib.h (struct cpp_options): Change lang_asm to char.
13166 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
13167 done in cpp_handle_option now.
13168 (initialize_builtins): Take out special case code used only by
13170 (cpp_handle_option): Turn off trigraphs and trigraph warnings
13171 if -traditional. Recognize -lang-fortran and set
13172 lang_fortran, also turn off cplusplus_comments.
13173 (print_help): Document -lang-fortran.
13174 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
13175 lang_asm. Ignore all directives other than `# 123 "file"' if
13177 (cpp_get_token): If -traditional, don't recognize directives
13178 unless the # is in column 1.
13179 (parse_string): If lang_fortran or lang_asm, silently
13180 terminate strings ('' or "") at end of line.
13181 Remove unnecessary braces.
13183 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13184 Richard Henderson <rth@cygnus.com>
13186 * resource.c (mark_referenced_resources): Mark a set strict_low_part
13188 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
13189 strict_low_part when possible.
13191 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13193 * alias.c: PROTO -> PARAMS.
13194 * basic-block.h: Likewise.
13195 * bitmap.c: Likewise.
13196 * bitmap.h: Likewise.
13197 * builtins.c: Likewise.
13198 * c-aux-info.c: Likewise.
13199 * caller-save.c: Likewise.
13200 * calls.c: Likewise.
13202 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13204 * Makefile.in (toplev.o): Depend on regs.h.
13206 * output.h (tdesc_section): Prototype.
13208 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
13210 * sdbout.c: Include "tm_p.h".
13212 * toplev.c: Include "regs.h".
13214 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
13216 * unroll.c (unroll_loop): Add EH support.
13218 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13220 * pa-protos.h: New file.
13222 * pa.c: Include recog.h and tm_p.h.
13223 (compute_zdepwi_operands, compute_movstrsi_length,
13224 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
13225 find_addr_reg, import_milli): Add static prototypes.
13226 (pa_cpu_string, pa_arch_string): Constify a char*.
13227 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
13228 (read_only_operand): Add argument `mode'.
13229 (singlemove_string, output_move_double, output_fp_move_double,
13230 output_block_move, output_and, output_ior, output_ascii,
13231 remove_useless_addtr_insns, milli_names, output_mul_insn,
13232 output_div_insn, output_mod_insn, output_arg_descriptor,
13233 output_cbranch, output_bb, output_bvb, output_dbra, ,
13234 output_millicode_call, output_call, hppa_encode_label,
13235 output_parallel_movb, output_parallel_addb): Constify a char*.
13236 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
13237 (output_parallel_addb): Remove extra arg to `constrain_operands'
13239 * pa.h: Move all prototypes to pa-protos.h.
13240 (pa_cpu_string, pa_arch_string): Constify a char*.
13241 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
13243 * pa.md: Call `function_label_operand' with mode argument.
13244 Likewise for `read_only_operand'.
13245 Fix nesting of parens in call to `symbolic_operand'.
13247 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13249 * i860-protos.h: New file.
13251 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
13254 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
13256 * i860.md: Likewise.
13258 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
13260 * i386.md (movstrsi expander): Rewrite.
13261 (movstrsi_1 insn): Deleted.
13262 (strmovhi, strmovqi expander): New expanders.
13263 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
13264 * i386.c (x86_single_stringop): New global variable.
13265 * i386.h (x86_single_stringop): Declare.
13266 (TARGET_SINGLE_STRINGOP): New macro.
13268 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13270 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
13271 integer vararg POSTINCREMENT before the destination of the jump
13272 for the hard fp case.
13273 (function_arg_pass_by_reference): Pass a copy of CUM to
13276 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
13277 for CONSTANT_ADDRESS_P above while loop for subreg.
13279 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13281 * flow.c (propagate_block): When a prologue/epilogue insn
13282 is marked dead, unconditionally clear libcall_is_dead and
13283 insn_is_dead, and only dump rtl if warnings aren't being
13286 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
13288 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
13289 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
13290 (FIXED_REGISTERS): Set dirflag as fixed.
13291 (CALL_USED_REGISTERS): Set dirflag as used.
13292 (REG_ALLOC_ORDER): Set dirflag as last one.
13293 (DIRFLAG_REG): New macro.
13294 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
13295 (HI_REGISTER_NAMES): Add dirflag.
13296 (DEBUF_PRINT_REG): Handle dirflag.
13297 * i386.md (type attribute): New cld and str types.
13298 (length_opcode attribute): Set cld and str to 1.
13299 (memory attribute): Set str to unknown - it is not clear from the
13301 (pent_np function unit): Prefixed string operations takes 12 cycles
13302 minimally; cld takes 2 cycles.
13303 (ppro_uops attribute): Str is "many" and cld is "few".
13304 (ppro_p0 unit): Handle cld here.
13305 (k6_alux unit): Handle cld and str types.
13306 (k6_load unit): It is ocupied by str opcodes.
13307 (k6_store unit): It is ocupied by str opcodes.
13308 (athlon_decode): Str is vector decoded.
13309 (athlon_ieu): Handle str and cld.
13310 (cld pattern): New.
13311 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
13312 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
13313 cmpstrsi_nz_1 insn): Do not output cld instruction
13315 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
13317 * gcc.texi (G++ and GCC): Add Java and Chill.
13318 (Bug Critera): Don't list languages.
13320 * gcc.texi (Incompatibilities): No longer claim most C compilers
13323 * gcc.texi (G++ and GCC): Update other front-ends list.
13325 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
13327 * i386.c (ix86_expand_setcc): Fix typo.
13328 (ix86_expand_movcc): Similarly.
13330 * Band-aid until haifa's bitset implementation is nuked.
13331 * haifa-sched.c (extract_bitlst): New parameter for size of the
13332 bitset in bits. All callers changed. Avoid looking at undefined
13333 bits in the bitset.
13334 (edgeset_bitsize): New variable.
13335 (schedule_region): Initialize edgeset_bitsize.
13337 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13339 * Makefile.in (optabs.o): Depend on real.h
13340 (resource.o): Depend on insn-attr.h
13342 * builtins.c (result_vector): Wrap prototype in macro conditions
13343 governing definition and use.
13345 * c-common.c: Include tm_p.h.
13347 * c-lex.c: Likewise.
13349 * elfos.h: Constify a char*.
13351 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
13352 (get_attr_length, shorten_branches, profile_after_prologue): Mark
13353 parameter with ATTRIBUTE_UNUSED.
13355 * fold-const.c (exact_real_inverse): Wrap variable `i' in
13358 * haifa-sched.c (schedule_insns): Mark parameter with
13361 * optabs.c: Include real.h.
13363 * real.h (ereal_atof): Add prototype arguments.
13365 * resource.c: Include insn-attr.h.
13367 * sdbout.c (sdbout_queue_anonymous_type,
13368 sdbout_dequeue_anonymous_types): Wrap in macro
13369 SDB_ALLOW_FORWARD_REFERENCES.
13370 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
13373 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
13375 * stupid.c: Include tm_p.h.
13377 * tree.c (real_value_from_int_cst): Mark parameter with
13380 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13382 * i960-protos.h: New file.
13384 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
13387 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
13389 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13391 * combine.c (expand_field_assignment): Do not discard SUBREGs
13392 while computing nonzero_bits.
13394 2000-01-09 Nick Clifton <nickc@cygnus.com>
13396 * config/arm/arm.c: Fix compile time warnings about signed vs
13397 unsigned constants.
13398 * config/arm/arm.h: Fix compile time warnings about signed vs
13399 unsigned constants.
13401 2000-01-09 Philip Blundell <philb@gnu.org>
13403 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
13404 than `ldm' with only one register.
13405 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
13408 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
13411 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
13413 * config/ns32k/ns32k.md (load or push effective address): Operand 1
13416 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13418 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
13419 assignment used as truth value.
13421 * function.c (assign_temp): Mark parameter `dont_promote' with
13422 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
13423 PROMOTE_FOR_CALL_ONLY.
13425 * genrecog.c (write_subroutine): Mark variable `operands' with
13428 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
13431 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
13432 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
13434 * toplev.c (note_deferral_of_defined_inline_function): Likewise
13437 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13439 * config/c4x.h: Tidy up comments.
13440 * config/c4x.c: Likewise.
13442 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
13444 * fold-const.c (lshift_double, rshift_double): Handle
13445 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
13447 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13449 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
13450 in prepare_function_start().
13452 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
13454 * config/v850/v850.c (expand_epilogue): Interrupt functions no
13455 longer allocate extra stack for function calls.
13457 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13459 * config/c4x/c4x.md (*subqf3_set): Fix typo.
13461 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13463 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
13465 2000-01-07 David Edelsohn <edelsohn@gnu.org>
13467 * rs6000.c (processor_target_table): Add power3 as alias for 630.
13468 * aix43.h: Revert Aug 2 change.
13469 (HAS_INIT_SECTION): Define, not visible yet.
13470 (LD_INIT_SWITCH): Define, not visible yet.
13471 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
13473 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
13475 * collect2.c (main): Expand ld2 size further.
13476 (export_object_lst): Cast assignment to avoid warning.
13477 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
13478 (scan_prog_file, COFF): Do not collect initialization or
13479 finalization functions generated for entire shared object if
13480 init/fini support present.
13482 2000-01-07 Nick Clifton <nickc@cygnus.com>
13484 * config/elfos.h: Tidy up formatting of marcos. Make sure
13485 that .section directives are always prefixed by a tab.
13487 * config/svr4.h: Add #include "elfos.h" and remove duplicate
13490 2000-01-07 Matt Austern <austern@sgi.com>
13492 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
13495 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
13497 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
13499 (crtbegin.o, s-crtS): Likewise.
13501 2000-01-06 Richard Henderson <rth@cygnus.com>
13503 * alpha.md (adddi_2+1): Limit offset such that it will be
13504 loadable with a single ldah+lda pair.
13505 (adddi_2+2): Explicitly fail split if we can't make it work.
13507 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
13509 * protoize.c: Conditionally include unistd.h.
13510 (IS_SAME_PATH_CHAR): New macro.
13511 (IS_SAME_PATH): New macro.
13512 (CPLUS_FILE_SUFFIX): New macro.
13513 (cplus_suffix): New static variable.
13514 (is_abspath): New static function.
13515 (in_system_include_dir): Handle DOS style pathnames.
13516 (file_could_be_converted): Likewise.
13517 (file_normally_convertible): Likewise.
13518 (directory_specified_p): Likewise.
13519 (file_excluded_p): Likewise.
13520 (abspath): Likewise.
13521 (shortpath): Likewise.
13522 (referenced_file_is_newer): Likewise.
13523 (save_def_or_dec): Likewise.
13524 (do_processing): Likewise.
13526 (edit_file): Likewise. Use rename instead of link.
13527 (rename_c_file): Likewise. Don't rename syscalls file.
13528 (munge_compile_params): Define null device for DOS based systems.
13529 (process_aux_info_file): Use binary mode if appliable.
13530 (edit_file): Likewise.
13531 * invoke.texi (Running Protoize): Document C++ suffixes used.
13533 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
13534 IS_DIR_SEPARATOR macros.
13535 * collect2.c: Likewise.
13536 * cppinit.c: Likewise.
13537 * dwarf2out.c: Likewise.
13539 * gcov.c: Likewise.
13540 * prefix.c: Likewise.
13542 * toplev.c: Likewise.
13543 * system.h: And move to here.
13545 * prefix.c (update_path): Fix typo in variable name.
13547 2000-01-06 Richard Henderson <rth@cygnus.com>
13549 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
13550 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
13551 (count_reg_sets_1, count_reg_references): Likewise.
13552 (flow_loops_level_compute): Start counting actual loop depth at 1.
13553 (flow_loops_find): Likewise.
13554 * local-alloc.c (update_equiv_regs): Likewise.
13555 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
13557 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13559 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
13560 FIRST_PSEUDO_REGISTER
13561 * dwarf2out.c: Don't include frame.h
13562 * dwarfout.c: Likewise
13563 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
13566 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
13568 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13571 * i386.c (movsf splitter): Fix typo in my last checkin.
13573 2000-01-05 Nick Clifton <nickc@cygnus.com>
13575 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
13576 own definition of this macro.
13577 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
13578 flag_data_sections or UNIQUE_SECTION_P are true.
13580 * tm.texi (UNIQUE_SECTION): Document that it can be called for
13581 unitialised data decls.
13583 * config/i386/winnt.c (i386_pe_unique_section): Cope with
13584 being called for uninitialised data.
13586 * config/i386/interix.c (i386_pe_unique_section): Cope with
13587 being called for uninitialised data.
13589 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
13590 for uninitialised data.
13592 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
13593 for uninitialised data.
13595 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
13596 for uninitialised data.
13598 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
13599 (UNIQUE_SECTION_P): Always generate a unique section if
13600 flag_data_sections is true.
13601 (UNIQUE_SECTION): Also generate unique sections for
13602 uninitialised data.
13603 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
13604 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
13607 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13609 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
13612 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13614 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
13615 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
13616 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
13617 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
13618 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
13620 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
13622 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13624 * c-decl.c (finish_enum): Simplify code to determine minimum and
13625 maximum values of the enum, and calculate the type. Remove check
13626 for FUNCTION_DECLs in the values list, which cannot happen. Replace
13627 the DECL_INITIAL of each enumeration constant with a copy converted
13628 to the enumeration type. When updating variant types, don't bother
13629 updating the type itself.
13631 * c-typeck.c (build_binary_op): Simplify conditional expressions
13632 when weeding out spurious signed-unsigned warnings. Add new
13633 spurious warning category: if the unsigned quantity is an enum
13634 and its maximum value fits in signed_type(result_type). Update
13636 (build_conditional_expr): Warn here if one alternative is signed
13637 and the other is unsigned.
13639 2000-01-05 Nick Clifton <nickc@cygnus.com>
13641 * config/fr30/fr30.h: Remove extraneous comments.
13643 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
13645 * reload1.c (choose_reload_regs): When disabling a reload, also
13646 set reload_spill_index to -1.
13648 2000-01-04 Joel Sherrill (joel@OARcorp.com>
13650 * configure.in (m68*-*-rtemscoff*): New target, formal name for
13652 (m68*-*-rtemself*): New target.
13653 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
13654 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
13655 (sparc*-*-rtemself*): New target.
13656 (sparc*-*-rtems*): Now elf not a.out.
13657 * config/i386/rtems.h: Include config/rtems.h.
13658 * config/i386/rtemself.h: Include config/rtems.h.
13659 * config/i960/rtems.h: Include config/rtems.h.
13660 * config/m68k/rtems.h: Include config/rtems.h.
13661 * config/m68k/rtemself.h: Include config/rtems.h.
13662 * config/mips/rtems64.h: Include config/rtems.h.
13663 * config/pa/rtems.h: Include config/rtems.h.
13664 * config/rs6000/rtems.h: Include config/rtems.h.
13665 * config/sh/rtems.h: Include config/rtems.h.
13666 * config/sh/rtemself.h: Include config/rtems.h.
13667 * config/sparc/rtems.h: Include config/rtems.h.
13668 * config/sparc/rtemself.h: Include config/rtems.h
13670 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
13672 * final.c (shorten_branches): Correctly compute length of
13673 asms without operands.
13675 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
13677 * configure.in: Add pj target.
13678 * configure: Regenerate.
13679 * config/pj: New directory.
13680 * config/pj/lib1funcs.S: New file.
13681 * config/pj/linux.h: New file.
13682 * config/pj/pj.c: New file.
13683 * config/pj/pj.md: New file.
13684 * config/pj/pjl.h: New file.
13685 * config/pj/t-pj: New file.
13686 * config/pj/xm-pj.h: New file
13688 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
13690 * toplev.c (rest_of_compilation): Run shorten-branches before
13693 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13695 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
13696 macros so that they're consistent with their names.
13697 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13698 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13700 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13702 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
13703 modified inadvertently.
13705 2000-01-04 Joel Sherrill <joel@OARcorp.com>
13707 * configure.in (v850*-*-rtems*): New target.
13708 * configure: Regenerate.
13709 * config/v850/rtems.h: New file.
13711 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
13713 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
13714 (__gthread_key_create): Likewise.
13715 (__gthread_key_dtor): Likewise.
13716 (__gthread_once): Fix logic.
13717 (__gthread_key_delete): Cast away constness.
13719 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
13720 * invoke.texi: Document.
13721 * i386/mingw32.h (CPP_SPEC): Use.
13722 (LIBGCC_SPEC): Likewise.
13723 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
13725 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13727 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
13728 (HANDLE_PRAGMA_PACK): Undefine.
13729 (SLOW_UNALIGNED_ACCESS): Define.
13731 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13733 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13734 to default definition.
13735 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
13736 (store_fixed_bit_field): Call macro with word_mode and alignment.
13737 (extract_bit_field): Call macro with relevant mode and alignment.
13738 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13739 to default definition.
13740 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
13742 (move_by_pieces_ninsns): Likewise.
13743 (clear_by_pieces): Likewise.
13744 (emit_push_insn): Likewise.
13745 (store_field): Call macro with relevant mode and alignment.
13746 (expand_expr): Likewise.
13747 (expand_expr_unaligned): Likewise.
13749 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
13750 (SLOW_UNALIGNED_ACCESS): Define.
13751 (CASE_VECTOR_MODE): Always use 32-bit offsets.
13752 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
13753 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
13754 (toc_section): Likewise and .toc pseudo-op.
13755 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
13757 (TEXT_SECTION_ASM_OP): Likewise.
13758 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
13761 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
13762 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
13763 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
13764 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
13765 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
13767 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
13769 * regclass.c: Revert my Jan 4 change to loop cost computation.
13771 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13773 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
13776 2000-01-04 Stan Cox <scox@cygnus.com>
13778 * haifa-sched.c (build_control_flow): Change unreachable simple
13779 loop test to check if current block has only one predecessor.
13780 (find_rgns): Initialize degree. Use dest as degree index, not src.
13782 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13784 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
13786 * calls.c (expand_call): Likewise for
13787 `old_stack_arg_under_construction'.
13789 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
13791 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
13794 * gcc.c (execute): Likewise for `ut' and `st'.
13796 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
13798 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
13800 * jump.c (jump_optimize_1): Likewise for `temp2'.
13802 * local-alloc.c (block_alloc): Likewise for `r1'.
13804 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
13806 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
13807 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
13809 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
13812 * reload.c (find_reloads): Likewise for `goal_alternative_number'
13813 and `goal_earlyclobber'.
13815 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
13817 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
13819 * stupid.c (stupid_life_analysis): Likewise for `chain'.
13821 * unroll.c (copy_loop_body): Likewise for `copy'.
13823 * varasm.c (output_constructor): Likewise for `byte'.
13825 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13827 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
13828 all FP constants for constant->reg moves.
13829 (ix86_split_to_parts): Try to convert memory address into immediate
13830 when available in the constant pool.
13831 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
13833 (LEGITIMATE_CONSTANT_P): Return 1.
13834 * i386.md (pushsf): New splitter to convert constant pool memory
13835 reference to immediate.
13836 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
13839 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
13841 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
13842 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
13843 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
13844 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
13845 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
13847 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
13849 * ginclude/stdbool.h: Support compilation as C++.
13851 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13853 * fold-const.c (make_range): Don't try to reverse an unbounded range.
13855 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
13857 * regclass.c (regclass): Properly compute loop_cost. Adjust
13860 * regclass.c: Fix minor whitespace problems.
13862 2000-01-03 Anthony Green <green@cygnus.com>
13864 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
13865 Restore the pic register if required.
13867 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
13869 * c-common.c (format_char_info): Update comment.
13870 (check_format_info): Recognize 'z' modifier in the same way 'Z'
13871 was recognized. Emit warning for formats new in ISO C99 only
13872 if flag_isoc9x is not set.
13874 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
13876 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
13878 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13880 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
13881 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
13882 (make_compound_operation): Choose cheaper alternative between
13883 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
13885 * regclass.c (op_costs): Remove global variable.
13886 (record_reg_classes): New parameter "op_costs" and "reg_pref".
13887 (record_operand_costs): Break out from ...
13888 (scan_one_insn): ... here.
13889 (dump_regclass): Make dumps nicer.
13890 (regclass): Dump preferrences choosed and changes done during passes.
13892 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13894 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
13896 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13898 * config/sparc/sparc.c (gen_df_reg): New function.
13899 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
13900 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
13901 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
13902 movtf_cc_reg_sp64+1): Use it.
13904 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13906 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
13907 copied LABEL_DECLs.
13909 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13911 * config/i386/i386.c (ix86_expand_unary_operator): Function
13912 definition made void.
13913 (ix86_expand_binary_operator): Update outdated preceding comment.
13914 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
13917 * config/i386/i386.c (override_options): Fix option-name typo.
13919 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13921 * system.h (CEIL): Define.
13922 * builtins.c (CEIL): Remove.
13923 * expmed.c (CEIL): Likewise.
13924 * expr.c (CEIL): Likewise.
13925 * stor-layout.c (CEIL): Likewise.
13927 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13929 * expr.c (store_constructor_field): Fix typo introduced with last
13932 2000-01-01 Mark Mitchell <mark@codesourcery.com>
13934 * tree.h (BINFO_N_BASETYPES): New macro.
13936 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
13938 * expmed.c (emit_store_flag): Prevent losing a pending stack
13939 adjust the same way we prevent losing queued increments.
13941 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13943 * function.c (update_temp_slot_address): Handle case where sum of
13944 temporary address plus offset in register is a valid address.
13946 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13948 * genrecog.c (change_state) Corrected typo.
13950 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13952 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
13953 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
13954 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
13956 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
13958 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
13959 case, expand GT comparisons correctly. Fix a comment before this
13962 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13964 * dwarfout.c: Include "frame.h"
13965 * dwarf2out.c: Likewise.
13966 * Makefile.in (dwarfout.o): Depend on frame.h
13967 (dwarf2out.o): Likewise.
13969 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
13971 Restore i386 binary compatibility in Dwarf EH info.
13972 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
13973 value of FIRST_PSEUDO_REGISTER.
13974 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
13975 (struct frame_state): Use DWARF_FRAME_REGISTERS.
13976 * dwarfout.c (output_reg_number): Ditto.
13977 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
13978 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
13980 1999-12-29 Bruce Korb <autogen@linuxbox.com>
13982 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
13983 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
13984 (<hack>_RE_CT): not needed
13985 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
13986 rewritten to scan the file text once only
13987 "template<..." test added
13988 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
13989 (is_cxx_header): declaration added
13990 * fixinc/fixtests.c(is_cxx_header): removed
13991 (apply_fix_p_t): removed
13992 (double_slash_test): is_cxx_header is only called once now
13993 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
13994 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
13995 within the templates.
13996 The borken spelling of "broken" was fixed.
13997 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
13998 The default level depends on FIXINC_DEBUG.
14000 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14002 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
14003 Otherwise provide a declaration for atexit.
14004 (init_dummy): Make sure dummy call to atexit is nevertheless
14005 called with correct number of args.
14007 * frame.c: Update comments referring to other files.
14009 * libgcc2.c: Likewise.
14011 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14013 * cse.c (free_element, get_element): Remove unused prototypes.
14015 * fold-const.c (extract_muldiv): Initialize variables `op0' and
14018 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
14021 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
14023 * configure.in,configure: case arm for mn10200-*-* now sets
14024 float_format=i32 so that float.h will correctly claim "double"
14025 to be 32 bits. Ran autoconf to generate configure from .in file.
14027 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
14029 * pa.md (conditional zero): If op1 is a register, force it into
14030 the same register as op0.
14032 1999-12-28 Mark Mitchell <mark@codesourcery.com>
14034 * tree.h (BINFO_BASETYPES): Improve documentation.
14036 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14038 * configure.in (--enable-checking): Use a more portable `for'
14041 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14043 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
14044 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
14046 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
14049 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
14050 Delete descriptions.
14052 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
14053 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
14054 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
14055 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
14056 xm-svr4.h: Remove all instances of sys_siglist handling.
14058 1999-12-27 Jakub Jelinek <jakub@redhat.com>
14060 * config/sparc/sparc.md (cmp_zero_qi,
14061 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
14062 cmp_zero_extendqidi2_andcc_set): New patterns.
14064 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
14066 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
14067 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
14068 (fpgnulib.c, xfgnulib.c): Add rules.
14069 * m68k/t-mot3300-gas: Likewise.
14071 1999-12-27 Ian Lance Taylor <ian@zembu.com>
14073 * configure.in: Avoid [[ by using test and changequote. Add
14074 changequote required by 1999-12-14 change.
14075 * configure: Rebuild.
14077 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
14079 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
14081 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
14083 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
14084 * flow.c (find_use_as_address): Likewise.
14085 * function.c (fixup_var_refs_1): Likewise.
14086 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
14087 * jump.c (invert_exp, redirect_exp): Likewise.
14088 * loop.c (replace_call_address): Likewise.
14089 (count_nonfixed_reads): Likewise.
14090 * rtlanal.c (modified_between_p): Likewise.
14091 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
14092 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
14093 * unroll.c (remap_split_bivs): Likewise.
14095 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14097 * diagnostic.c (v_message_with_decl): Use .* format specifier
14098 instead of building the format specifier width manually.
14100 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
14101 determining whether to provide a prototype. Remove the
14102 sys_siglist clause in the conditional.
14104 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14106 * fold-const.c (operand_equal_p): Use memcmp to compare string
14108 Suggested by D. J. Bernstein
14110 1999-12-17 Jakub Jelinek <jakub@redhat.com>
14112 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
14113 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
14115 * config/mips/mips.h (TARGET_64BIT): Likewise.
14116 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
14117 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
14118 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
14119 dsps. Give routines proper names if SI/DI modes are not used.
14120 * longlong.h: Use DWunion instead of DIunion.
14122 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
14124 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
14125 GC_CHECKING, GC_ALWAYS_COLLECT.
14126 * configure.in: Allow --enable-checking with an argument
14127 listing check modes to enable.
14128 * config.in, configure: Rebuilt.
14129 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
14130 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
14131 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
14132 ENABLE_GC_ALWAYS_COLLECT.
14133 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
14135 * tree.h, tree.c: Change ENABLE_CHECKING to
14136 ENABLE_TREE_CHECKING throughout.
14138 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14140 * fold-const.c (fold_truthop): Properly check for FP RHS.
14142 1999-12-24 Mark Mitchell <mark@codesourcery.com>
14144 * toplev.h (note_deferall_of_defined_inline_function): Declare.
14145 * toplev.c (note_deferral_of_defined_inline_function): New
14146 function, split out from ...
14147 (rest_of_compilation): ... here. Use it.
14149 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14151 * expr.c (store_constructor): Don't call clear_storage if size is
14154 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14156 * Makefile.in (toplev.o): Depend on loop.h.
14158 * dwarfout.c: Include tm_p.h.
14160 * emit-rtl.c (restore_emit_status): Mark parameter with
14163 * final.c (final_scan_insn): Likewise.
14165 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
14166 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
14167 flow_depth_first_order_compute, flow_loop_pre_header_find,
14168 flow_loop_tree_node_add, flow_loops_tree_build,
14169 flow_loop_level_compute, flow_loops_level_compute,
14170 flow_loop_outside_edge_p): Add prototypes.
14171 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
14173 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
14174 Mark with ATTRIBUTE_NORETURN.
14176 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
14178 * local-alloc.c (no_conflict_p): Likewise.
14180 * loop.c (insert_bct): Hide definitions of variables with hidden
14182 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
14184 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
14185 with ATTRIBUTE_UNUSED.
14186 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
14187 (reg_scan): Likewise.
14189 * reload.c (find_reloads): Remove unused variables `changed'.
14191 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
14193 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
14194 Remove unused variable `insn'.
14196 * toplev.c: Include loop.h.
14197 (report_file_and_line): Remove unnecessary prototype.
14199 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
14201 * unroll.c (biv_total_increment): Likewise.
14203 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14205 * reload1.c (emit_input_reload_insns): Restore old behaviour
14206 wrt. 'special' reloads.
14208 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
14210 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
14211 hash.h. (cse.c): Don't depend on hashtab.h.
14213 * cse.c: Don't include hashtab.h.
14214 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
14216 * ggc-simple.c: Don't include hash.h.
14218 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
14220 * dwarf2out.c (add_abstract_origin_attribute): Call
14221 gen_abstract_function on our function context.
14223 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
14225 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
14227 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14229 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
14232 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14234 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
14235 constraints to "a!r".
14237 1999-12-21 Mark Mitchell <mark@codesourcery.com>
14239 * Makefile.in (calls.o): Depend on function.h.
14240 (alias.o): Likewise.
14242 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
14244 * reload1.c (emit_reload_insns): Break out code and variables into...
14245 (input_reload_insns, other_input_address_reload_insns,
14246 other_input_reload_insns, input_address_reload_insns,
14247 inpaddr_address_reload_insns, output_reload_insns,
14248 output_address_reload_insns, outaddr_address_reload_insns,
14249 operand_reload_insns, other_operand_reload_insns,
14250 other_output_reload_insns): ... new static variables, and...
14251 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
14252 do_output_reload): ... new functions.
14254 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14256 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
14258 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14260 * md.texi: Add c4x constraints documentation.
14262 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14264 * config/i386/dgux.c (struct option): Rename to
14265 lang_independent_option.
14266 (struct m_options): Add description field.
14267 (output_options): Rename option type, add sep declaration, output
14268 ix86_cpu_string and ix86_arch_string only if set.
14269 (output_file_start): Rename option type.
14271 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
14273 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
14275 (libgcc2.a): Similarly.
14277 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
14279 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
14280 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
14281 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
14283 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
14285 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
14286 Remove redundant initialization of "frexpon" and "expon".
14288 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14290 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
14292 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
14293 (store_constructor_field, expand_expr): Pass new arg.
14295 1999-12-20 Mark Mitchell <mark@codesourcery.com>
14297 * Makefile.in (explow.o): Depend on function.h.
14299 * stor-layout.c (set_sizetype): Fix typo.
14301 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
14303 * function.c (cfun): Renamed from current_function. All users
14305 * function.h (cfun): Rename declaration as well.
14307 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
14308 to be of type regset_head, not regset. All users changed by adding
14310 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
14312 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14314 * config/c4x/rtems.h: New file.
14316 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
14318 * reload1.c (spill_failure): Take class of failed reload as argument
14319 and print it. Caller changed.
14321 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14323 * rs6000.h (SUBTARGET_DEFAULT): New macro.
14324 (TARGET_SWITCHES): Allow subtargets to default switches.
14325 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
14327 1999-12-18 Mark Mitchell <mark@codesourcery.com>
14329 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
14332 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
14334 * cccp.c (main): Define __STDC_VERSION__ as necessary.
14335 * cppinit.c (cpp_handle_option): Likewise.
14337 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
14338 determine when to define.
14340 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
14342 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
14343 cmove with mismatched test and data modes.
14345 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
14347 * c-typeck.c (c_expand_start_case): Don't warn for long switch
14350 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14352 * alias.c: Minor reformatting.
14353 * flow.c: Likewise.
14354 * regs.h: Likewise.
14355 * stor-layout.c: Likewise.
14356 * fold-const.c: Likewise.
14357 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
14358 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
14360 (size_int_wide): Cache nodes even if garbage collecting.
14361 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
14362 of SAVE_EXPR has no side effects.
14363 * cse.c: Move a comment.
14364 * tree.c: Minor reformatting.
14365 (int_size_in_bytes): Return -1 if constant overflows.
14367 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14369 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
14371 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
14373 * objc/objc-parse.c: Regenerate. This file must be rebuilt
14374 after any change to c-parse.in, even if objc-parse.y didn't
14377 1999-12-18 David S. Miller <davem@redhat.com>
14379 * toplev.c (rest_of_compilation): Restore BLOCK tree
14380 reconstruction and branch shortening changes lost in
14381 December 18th change.
14383 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
14385 * config/arm/linux-elf.h: Change all instances of
14386 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
14387 * config/arm/uclinux-elf.h: Likewise.
14389 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
14391 * toplev.c (notice, vmessage, v_message_with_file_and_line,
14392 v_message_with_decl, file_and_line_for_asm,
14393 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
14394 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
14395 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
14396 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
14397 pfatal_with_name, fatal_io_error, need_error_newline,
14398 last_error_function, last_error_tick, announce_function,
14399 default_print_error_function, print_error_function,
14400 report_error_function, fnotice, error_with_file_and_line,
14401 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
14402 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
14403 warning_with_decl, warning_for_asm, warning, pedwarn,
14404 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
14406 (compile_file): Use fnotice instead of notice. Adjust call.
14408 * diagnostic.c: New file.
14410 * Makefile.in (OBJS): Include diagnostic.o
14411 (diagnostic.o): Define dependence.
14413 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14415 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
14418 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14420 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
14422 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14424 * fixtests.c (is_cxx_header): New fn, split out of
14426 (else_endif_label): Allow "#endif // comment" in C++ headers,
14427 as determined by is_cxx_header.
14428 * fixfixes.c (else_endif_label_fix): Update comment.
14429 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
14431 * genfixes: Correct double thinko in commandline parsing.
14432 * hackshell.tpl: Generate correct sh syntax for bypass
14435 * inclhack.def (all): Whenever an inserted preprocessor
14436 conditional is split over multiple lines, use double
14437 backslashes in this file so the fixed header will be readable.
14439 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
14440 and add bypass entry for correct version of this header.
14441 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
14442 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
14444 (hpux8_bogus_inlines): New fix, split from...
14445 (ultrix_atof_param) ... here.
14446 (math_expression): Add bypass entry keyed to glibc comment
14447 indicating the problem has been dealt with; disable
14448 unnecessary sed operations; update commentary.
14449 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
14450 add select and bypass entries, simplify shell operation.
14451 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
14453 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
14454 ultrix_atof_param): Add select entry.
14455 (stdio_va_list, sunos_mather_decl): Add bypass entry.
14456 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
14457 comments with the fixes they describe.
14459 * c-parse.in (string action): Do not warn about ANSI string
14460 concatenation in system headers. Affects C parser only.
14461 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
14463 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14465 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
14466 compiling libgcc2 the macro depends always on arch cpp defines.
14468 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
14470 * loop.c (insert_loop_mem): Don't record MEMs from inside
14473 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
14475 * regclass.c (regclass): Do not use flowgraph when not optimizing.
14477 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
14478 notes too, create one when replacement failed, attempt to simplify
14480 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
14481 or REG_EQUIV notes.
14483 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14485 * crtstuff.c (__dso_handle): Declare.
14486 (__cxa_finalize): Likewise.
14487 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
14490 * invoke.texi: Document -fuse-cxa-atexit.
14492 * tree.h (ptr_type_node): Document.
14493 (const_ptr_type_node): Likewise.
14495 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14497 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
14498 (optimize_reg_copy_2): Likewise.
14499 (optimize_reg_copy_3): Likewise.
14500 (fixup_match_2): Likewise.
14501 (regmove_optimize): Likewise.
14502 (fixup_match_1): Liekwise.
14504 * i386.md (HI to SImode promoting splitters): Rewrite.
14505 (pushsf mem peep2): New.
14506 (testhi to andhi peep2): Remove.
14507 * i386.h (x86_promote_QImode): New.
14508 (TARGET_PROMOTE_QImode): New.
14509 (PREDICATE_CODES): Add promotable_binary_operator.
14510 * i386.c (x86_promote_QImode0: New.
14511 (promotable_binary_operator): New.
14512 * i386-protos.h (promotable_binary_operator): New.
14514 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
14516 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
14518 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14520 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
14521 * function.c (insert_block_after_note): Remove.
14522 (retrofit_block): Likewise.
14523 (identify_blocks): Fix indentation.
14524 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
14525 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
14526 * function.h (insert_block_after_note): Remove prototype.
14527 (retrofit_block): Likewise.
14528 * integrate.c (expand_inline_function): Don't call
14529 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
14530 just expand_start_bindings. Use the block_map to remap old
14531 NOTE_BLOCKs to new ones.
14532 (integrate_decl_tree): Keep track of remapped blocks.
14533 * integrate.h (struct inline_remap): Add block_map.
14534 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
14535 NOTE_BLOCK on the notes.
14536 (expand_start_bindings): Rename to ...
14537 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
14538 (expand_end_bindings): Set NOTE_BLOCK.
14539 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
14540 reconstruct the BLOCK tree.
14541 * tree.h (expand_start_bindings): Macroize. Call ...
14542 (expand_start_bindings_and_block): New function.
14544 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14546 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
14547 to match the format.
14549 1999-12-16 David S. Miller <davem@redhat.com>
14551 * expr.c (emit_move_insn_1): Only emit clobbers if one of
14552 the outputs is a SUBREG.
14553 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
14556 * config/sparc/sparc.c (epilogue_renumber): Add default case
14559 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14561 * toplev.c (rest_of_compilation): Run branch shortening after
14564 * regclass.c (loop_depth): Remove
14565 (scan_one_insn): Do not handle LOOP_NOTE insns.
14566 (regclass): Go through basic blocks and set loop_cost
14568 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
14570 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
14572 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14574 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
14575 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
14576 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
14578 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
14580 * loop.c (insert_loop_mem): Ignore memory clobbers.
14582 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
14585 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
14587 * profile.c: Remove redundant #include "output.h".
14589 * h8300.md (HImode preinc peephole): Fix typo.
14591 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14593 * function.c (retrofit_block): Abort if we don't find a suitable insn.
14594 (insert_block_after_note): Abort if we don't have a previous block.
14595 Remove FN parameter.
14596 * function.h: Adjust.
14598 1999-12-15 Mark Mitchell <mark@codesourcery.com>
14600 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
14601 argument more than once.
14603 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14605 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
14607 1999-12-15 Jakub Jelinek <jakub@redhat.com>
14609 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
14611 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14613 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
14614 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
14615 update stack_alignment_needed.
14616 (prepare_function_start): Initialize stack_alignment_needed
14617 * function.h (struct function): Add field stack_alignment_needed.
14619 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14621 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
14622 Handle live_throughout / dead_or_set instead of live_before /
14624 (save_call_clobbered_regs): Get register livenessinformation from
14625 chain->live_throughout.
14626 (add_stored_regs): New function.
14627 (insert_restore, insert_save): Add restored / saved registers to
14629 * global.c (reg_dies): New parameter chain.
14630 (reg_becomes_live): Third parameter is regs_set now.
14631 Changed all callers.
14632 (reg_dies): New parameter chain. Changed all callers.
14633 (build_insn_chain): Set live_throughout instead of
14634 live_before / live_after.
14635 * reload.h (struct insn_chain): Replace members live_before /
14636 live_after with live_throughout / dead_or_set.
14637 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
14638 instead of live_before / live_after.
14639 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
14640 (order_regs_for_reload, find_reg, finish_spills): Likewise.
14641 (choose_reload_regs_init): Likewise.
14642 * stupid.c (current_chain, find_clobbered_regs): Delete.
14643 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
14644 instead of chain->live_before / chain->live_after.
14645 (mark_hard_ref): New function.
14646 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
14648 1999-12-15 David S. Miller <davem@redhat.com>
14650 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
14652 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14654 * flow.c (calculate_loop_depth): Make global, remove prototype,
14655 rewrite to use new loop infrastructure.
14656 (find_basic_block): Remove calculate_loop_depth call.
14657 * toplev.c (rest_of_compilation): Call find_basic_block.
14658 * output.h (calculate_loop_depth): Declare.
14660 * flow.c (dump_flow_info): Dump loop_depth.
14661 (flow_loops_nodes_find): Increase loop_depth for basic block in the
14663 (flow_loops_find): Initialize the loop_depth for each basic block.
14665 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14667 * tree.c (decl_function_context): Handle virtual functions.
14669 * tlink.c (scan_linker_output): Don't look in demangled name when
14670 looking for linker output keywords.
14672 * dwarfout.c (output_type): We can defer namespace-scope classes.
14674 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
14676 * regclass.c (record_reg_classes): Update comment for merging
14677 register class preferences in reg->reg copies. Tighten conditions
14678 for merging register class preferences in reg->reg copies.
14680 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
14682 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
14684 1999-12-14 Geoff Keating <geoffk@cygnus.com>
14686 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
14687 (INIT_SECTION_ASM_OP): Delete.
14688 (FINI_SECTION_ASM_OP): Delete.
14689 (STARTFILE_SPEC): Define to hold just crtbegin.o.
14691 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
14693 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
14694 the abstract origin wasn't emitted.
14696 * dwarf2out.c (class_scope_p): New fn.
14697 (gen_subprogram_die): Use it.
14698 (gen_variable_die): Use it. Tweak logic.
14699 (gen_struct_or_union_type_die): Check context_die to determine
14700 if we're function-local.
14701 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
14703 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14705 * loop.c (check_dbra_loop): Can't reverse a biv that has
14706 maybe_multiple set.
14708 1999-12-14 Nick Clifton <nickc@cygnus.com>
14710 * config/arm/arm.c: Add support for -mcpu=arm720 command line
14713 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14715 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
14716 for givs made from biv increments.
14718 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
14720 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
14721 * alpha.c (override_options): Recognize -mcpu=ev67.
14722 * alpha.h (CPP_CPU_EV67_SPEC): New.
14723 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
14724 (EXTRA_SPECS): Update.
14726 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
14728 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
14729 appropriate for -lang-c89 and -std=*.
14730 * cppinit.c (cpp_handle_option): Likewise.
14731 (new_pending_define): New, split out from cpp_handle_option.
14732 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
14733 or enable trigraphs for -ansi/-std=*.
14735 * ginclude/stdarg.h (__va_copy): New.
14736 (va_copy): Don't define for C89.
14738 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
14740 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
14741 for long long multiply-accumulate.
14743 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14745 * regclass.c (scan_one_insn): Set loop_cost to 1 when
14746 optimizing for size.
14748 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14750 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
14751 if something changed. Back out that part of yesterday's changes.
14753 * loop.c (loop_max_reg): New static variable.
14754 (loop_optimize): Initialize it. Eliminate one unnecessary call to
14756 (scan_loop): Call reg_scan_update whenever we may have added new
14757 registers, and update loop_max_reg.
14759 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14761 * regclass.c (record_reg_classes): Do not do the copying preferrencing
14762 when source does not die.
14764 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
14766 1999-12-14 Jakub Jelinek <jakub@redhat.com>
14768 * config/sparc/linux64.h (TARGET_LIVE_G0,
14769 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
14771 * config/sparc/linux.h (TARGET_LIVE_G0,
14772 TARGET_BROKEN_SAVERESTORE): Likewise.
14773 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
14774 TARGET_BROKEN_SAVERESTORE): Likewise.
14776 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
14777 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
14779 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
14780 as sparc64 block profiling register.
14781 * config/sparc/sparc.c (sparc_override_options): Allow block
14782 profiling with -m32.
14783 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
14784 profiling register.
14785 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
14786 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
14787 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
14789 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
14791 * config/sparc/sparc.h: Likewise.
14792 * config/sparc/xm-sysv4-64.h: Likewise.
14793 * config/float-sparc.h: Likewise.
14794 * glimits.h: Likewise.
14795 * longlong.h: Likewise.
14797 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
14798 (ASM_IDENTIFY_GCC): Remove.
14800 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14802 * combine.c (combine_simplify_rtx): Don't make shared rtl.
14803 (simplify_logical): Likewise.
14805 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14807 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
14808 * cppfiles.c (INO_T_EQ): Likewise.
14810 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14812 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
14813 * i386/mingw32.h (LIB_SPEC): Likewise.
14814 (STARTFILE_SPEC): Likewise.
14815 * i386/uwin.h (LIB_SPEC): Likewise.
14816 (STARTFILE_SPEC): Likewise.
14818 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
14819 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
14821 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
14823 * combine.c (combine_simplify_rtx): Fix order of checks for
14824 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
14826 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
14828 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
14829 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
14831 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14833 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
14835 * regclass.c (inv_reg_alloc_order): New array.
14836 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
14838 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
14839 counted_for_groups, counted_for_nongroups. Add fields rld and
14841 * reload.c (push_secondary_reload): Don't set nongroup field of
14843 (push_reload): Likewise.
14844 (find_reloads): Delete code to compute nongroup fields.
14845 * reload1.c (reload_insn_firstobj): New static variable.
14846 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
14848 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
14849 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
14850 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
14852 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
14854 (struct hard_reg_n_uses): Deleted.
14855 (potential_reload_regs): Deleted.
14856 (init_reload): Initialize spilled_pseudos and pseudos_counted.
14857 (reload): Don't try to allocate reload registers if we already know
14858 we have to make another pass. Call select_reload_regs. Free memory
14859 starting with reload_firstobj when starting another pass.
14860 Don't allocate spilled_pseudos.
14861 (calculate_needs_all_insns): Call copy_reloads for an insn that
14862 needs reloads; don't call calculate_needs.
14863 (spill_cost): New static array.
14864 (used_spill_regs_local): New static variable.
14865 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
14866 to compute potential_reload_regs.
14867 (find_reload_regs): Completely rewritten to use find_reg.
14868 (allocate_reload_reg): Don't test counted_for_groups or
14869 counted_for_nongroups. Lose NOERROR arg and code to give an error;
14870 all cllers changed.
14871 (choose_reload_regs): Add fallback code that uses the existing
14872 register allocation from find_reload_regs.
14874 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
14876 * flow.c (create_edge_list): Cast xmalloc return value.
14878 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
14880 * doprnt.c: Remove incorrect comment closure.
14882 * cse.c: Fix a few minor whitespace goofs.
14884 1999-12-13 Don Bowman <don@pixstream.com>
14886 * mips/vxworks.h: Fix problem with comment termination.
14887 (EXTRA_SECTIONS): Add in_sbss.
14888 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
14890 1999-12-12 David S. Miller <davem@redhat.com>
14892 * cse.c (struct cse_reg_info): Add hash_next member,
14893 reorder rest of struct for better packing on 64-bit
14895 (cse_reg_info_tree): Kill.
14896 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
14897 REGHASH_FN): New custom pow2 hash mechanism.
14899 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
14900 use a pow2 hash table.
14901 (get_cse_reg_info): Rework to use new REGHASH.
14902 (new_basic_block): Likewise, use HASH_SIZE, and inline
14904 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
14905 and inline free_element call.
14906 (lookup_as_function, insert, flush_hash_table, invalidate,
14907 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
14908 invalidate_for_call, use_related_value, find_comparison_args,
14909 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
14910 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
14911 get_element): Kill.
14913 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
14915 * cse.c (cse_basic_block): Free qty_table consistently.
14917 1999-12-12 David S. Miller <davem@redhat.com>
14918 Jakub Jelinek <jakub@redhat.com>
14920 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
14921 SUBREGs by hand, gen the appropriate hard reg directly.
14922 (movtf reg/mem split): Likewise and alter_subreg on destination
14924 (movtf mem/reg split): Similarly.
14925 (movdf_cc_sp64): Rename from hidden pattern.
14926 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
14927 (movtf_cc_sp64, following split): New pattern and splitter.
14928 (movdf_cc_reg_sp64): Rename from hidden pattern.
14929 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
14931 (movtf_cc_reg_sp64, following split): New pattern and splitter.
14933 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
14935 * loop.c (load_mems): Don't hoist written floating point mem
14938 1999-12-12 Mark Mitchell <mark@codesourcery.com>
14940 * except.h (struct eh_queue): Add `next' pointer.
14941 (struct eh_status): Make x_ehqueue a pointer.
14942 (push_ehqueue): Declare.
14943 (pop_ehqueue): Likewise.
14944 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
14946 (expand_fixup_region_end): Likewise.
14947 (expand_leftover_cleanups): Likewise.
14948 (push_ehqueue): Define.
14949 (pop_ehqueue): Likewise.
14950 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
14951 than doing it inline.
14952 (expand_start_all_catch): Adjust now that ehqueue is a
14954 (mark_eh_queue): Mark all level of the queue.
14955 (mark_eh_status): Adjust now that ehqueue is a
14957 (init_eh_for_function): Allocate ehqueue.
14958 (free_eh_status): Free it.
14959 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
14960 expansion for a fixup.
14962 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14964 * gthr-single.h (__gthread_active_p): Add prototype arguments.
14966 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
14967 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
14968 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
14969 function_ptr, getpagesize, __enable_execute_stack,
14970 __enable_execute_stack, __clear_insn_cache,
14971 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
14972 _cleanup, _exit, __default_terminate, __terminate_func,
14973 __terminate, __empty, __throw, new_eh_context,
14974 eh_context_initialize, eh_context_static, eh_context_specific,
14975 get_eh_context, __get_eh_context, __get_eh_info,
14976 init_reg_size_table, eh_threads_initialize,
14977 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
14978 __unwinding_cleanup, throw_helper, __throw, __rethrow,
14979 __pure_virtual): Add prototype arguments.
14980 (__bb_exit_func): Cast a sizeof to long when comparing against one.
14981 Cast a signed value to unsigned long when comparing against one.
14982 (new_eh_context): Wrap in _GTHREADS macro.
14983 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
14985 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
14986 (throw_helper): Initialize variables `handler_p' and `pc_p'.
14988 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14990 * combine.c (record_promoted_value): Remove unused variable
14993 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
14995 * global.c (record_conflicts): Likewise for `j'.
14997 * genoutput.c (output_insn_data): Don't unnecessarily cast away
15000 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15002 * i386-protos.h (output_387_binary_op, output_fix_trunc,
15003 output_fp_compare): Constify a char*.
15005 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
15007 (override_options, ix86_comp_type_attributes, print_operand,
15008 output_387_binary_op, output_fix_trunc, output_fp_compare):
15010 (ix86_sched_reorder): Mark parameter `clock_var' with
15013 * i386.h (DEBUG_PRINT_REG): Constify a char*.
15015 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
15017 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
15018 operand, for use in the Java front-end.
15020 1999-12-10 Ben Collins <bcollins@debian.org>
15022 * configure.in: Fix typo for "-64" in 64bit as check.
15023 * configure: Rebuilt.
15025 1999-12-10 Jakub Jelinek <jakub@redhat.com>
15027 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
15030 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15032 * c-parse.in (string): With -Wtraditional, warn if ANSI string
15033 concatenation is utilized.
15035 * invoke.texi (-Wtraditional): Document it.
15037 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15039 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
15040 Cast a ptrdiff_t to long and pass it to printf with %ld.
15042 1999-12-10 Geoff Keating <geoffk@cygnus.com>
15044 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
15045 68881, we have no 68881 registers at all.
15046 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
15047 value in a 68881 register if it is available.
15049 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
15051 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
15052 for long long multiply-accumulate.
15054 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15056 * loop.c (insert_loop_mem): Undo last change.
15058 1999-12-10 David S. Miller <davem@redhat.com>
15060 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
15062 * config/sparc/sparc-protos.h: Add them.
15063 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
15064 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
15065 constraints which use those helpers.
15066 (EXTRA_CONSTRAINT): Use this new macro.
15067 * md.texi: Update sparc target constraints documentation.
15068 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
15069 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
15070 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
15071 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
15072 (movsf high/lo_sum split): Rework for new patterns.
15073 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
15075 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
15077 * c-common.c (c_common_nodes_and_builtins):
15078 Create __builtin_ptrdiff_t and __builtin_size_t.
15080 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
15082 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
15084 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15086 * regclass.c (globalize_reg): Re-instate test that allows
15087 fixed registers to be declared as a variable even after functions
15090 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15092 * i386.md (cpu attribute): Add "athlon".
15093 (athlon_decode): New attribute.
15094 (Athlon scheduling units definitions): New.
15095 (fcmp and shld patterns): Set athlon_decode to "vector".
15096 * i386.c (athlon_cost): New.
15098 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
15099 x86_use_sahf): Set for Athlon.
15100 (x86_use_fiop): Unset for Athlon.
15101 (override_options): Define Athlon alignments and "athlon" name.
15102 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
15103 * i386.h (TARGET_ATHLON): New.
15104 (enum processor_type): Add PROCESSOR_ATHLON.
15105 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
15107 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
15109 1999-12-09 Andreas Jaeger <aj@suse.de>
15111 * loop.c (record_biv): Declare parameter as int.
15113 * config/i386/i386-protos.h: Declare long_memory_operand.
15115 1999-12-09 Mark Mitchell <mark@codesourcery.com>
15117 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
15118 EXPR_WITH_FILE_LOCATION.
15120 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15122 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
15125 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
15127 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
15130 1999-12-09 Jakub Jelinek <jakub@redhat.com>
15132 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
15133 default on linux64 again.
15134 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
15135 models for multilibing.
15136 * genmultilib: Accept | as alternative separator within a set in
15139 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
15141 * calls.c (precompute_arguments): Make sure initial_value contains
15142 value pseudo which CSE expects.
15143 * cse.c (struct set): New entry orig_src.
15144 (cse_insn): Set it early on entry, use it for libcall EQUIV note
15147 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
15149 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
15151 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
15153 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
15155 1999-12-08 Jakub Jelinek <jakub@redhat.com>
15157 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
15158 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
15160 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
15163 * longlong.h: Merge in changes from glibc.
15164 Also don't clobber %g2 register in 32bit SPARC assembly, so that
15165 -mno-app-regs libgcc can be compiled.
15166 * libgcc2.c: Add defines so that the updated longlong.h
15167 can be used in libgcc2.a. Also, make sure on most architectures
15168 (at least on all which have optimized code in longlong.h defined
15169 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
15171 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15173 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
15174 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
15175 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
15177 * configure: Rebuilt.
15179 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
15181 * alpha.c (secondary_reload_class): For !BWX, sub-simode
15182 outputs require a register.
15184 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
15186 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
15187 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
15188 functions like dptoul will be resolved.
15189 (libgcc2.a): Make sure that the object files from DPBIT are named
15190 differently (prefix `_dp') from those that would be coming from
15193 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
15195 * configure.in: When target is sparc* and tm_file contains 64,
15196 test for 64bit support in assembler. If not supported, remove
15197 sparc/t-sol2-64 from target-dependent Makefile fragments.
15198 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
15199 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
15200 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
15201 * acconfig.h (AS_SPARC64_FLAG): Added.
15202 * configure, config.in: Rebuilt.
15203 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
15204 support. Use AS_SPARC64_FLAG.
15206 1999-12-07 Jakub Jelinek <jakub@redhat.com>
15208 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
15209 suitable for holding OFmode values so that gcc works with complex
15211 (hard_64bit_mode_classes): Likewise.
15213 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
15214 so that it is actually matched.
15215 (sethi_di_medlow): Likewise.
15217 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
15218 as legitimate constant if -mvis.
15219 * config/sparc/sparc.md (movtf): Likewise.
15220 (clear_sf): Use const_double_operand.
15221 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
15223 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
15224 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
15225 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
15226 routines, _Qp_* cannot be handled like that now.
15227 (INIT_TARGET_OPTABS): Likewise.
15228 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
15229 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
15230 sparc_emit_float_lib_cmp if ARCH64 and soft float.
15231 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
15232 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
15233 divtf3, sqrttf3): New expanders.
15234 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
15235 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
15236 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
15239 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
15240 * configure: Rebuilt.
15241 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
15242 -mcpu is given and we're doing 64bit compiles.
15244 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
15246 * loop.h (struct induction): Add multi_insn_incr.
15247 * loop.c (basic_induction_var): New multi_insn_incr argument.
15248 Set it if we search back through previous insns for the biv.
15249 (record_biv): New multi_insn_incr argument; fill in struct induction.
15250 (strength_reduce): Discard an iv with multiple bivs, any of
15251 which require multiple insns to increment.
15253 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15255 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
15258 1999-12-06 David S. Miller <davem@redhat.com>
15260 * combine.c (check_promoted_subreg): Do not conditionalize this upon
15261 PROMOTE_FUNCTION_RETURN.
15263 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
15265 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
15266 and handle REG_UNUSED note on insn.
15268 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
15269 inner_mask instead of mask.
15271 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
15273 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
15274 zero if there was an error.
15276 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15278 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
15281 * longlong.h: Fix clobbers in SPARC asm statements.
15283 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
15284 valid sethi operations when TARGET_ARCH64.
15286 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
15287 always use move_by_pieces to avoid infinite recursion.
15288 (restore_fixed_argument_area): Likewise.
15290 * combine.c (check_promoted_subreg, record_promoted_value): New
15292 (combine_instructions): Use them to retain nonzero and sign bit
15293 information after SUBREGs are eliminated by optimizations in
15294 this pass if PROMOTE_FUNCTION_RETURN.
15296 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
15297 .register declaration. Don't use variables with __ prefixes.
15299 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15301 * fold-const.c (optimize_bit_field_compare): Only use one mode
15302 for both RHS and LHS in non-constant case.
15304 1999-12-06 Nathan Sidwell <nathan@acm.org>
15306 * frame.c (start_fde_sort): Only allocate erratic array, if
15307 linear one was allocated. Return allocated flag.
15308 (fde_insert): Only insert, if there's a valid array.
15309 (fde_end_sort): Split, sort and merge if linear and erratic
15310 arrays exist, else just sort linear one.
15311 (search_fdes): New function. Linear search through original fde
15313 (frame_init): Permit multiple initializations. Cope with
15315 (find_fde): Fallback on linear search, if failed to sort array.
15316 (__deregister_frame_info): Only free sorted array, if we
15319 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15321 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
15323 1999-12-05 Jakub Jelinek <jakub@redhat.com>
15325 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
15327 1999-12-05 Mark Mitchell <mark@codesourcery.com>
15329 * tree.h (special_function_p): Declare.
15330 * calls.c (special_function_p): Make it global. Don't take `name'
15331 as a parameter. Fix typo in 1999-11-28 change.
15332 (expand_cal): Adjust.
15334 1999-12-04 Mark Mitchell <mark@codesourcery.com>
15336 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
15337 * tree.h (EXPR_WFL_FILENAME): Define in terms of
15338 EXPR_WFL_FILENAME_NODE.
15339 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
15341 * print-tree.c (print_note): Print TREE_PRIVATE and
15344 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
15345 the original die cannot be found.
15347 * varray.h (varray_head_tag): Add elements_used.
15348 (VARRAY_PUSH): New macro.
15349 (VARRAY_POP): Likewise.
15350 (VARRAY_TOP): Likewise.
15351 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
15353 * varray.c (varray_init): Initialize elements_used.
15354 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
15355 (INTEGRATE_H): New variable.
15356 (integrate.o): Depend on INTEGRATE_H.
15357 (unroll.o): Likewise.
15359 * function.h (insert_block_after_note): Declare.
15360 * function.c (insert_block_after_note): Split out from ...
15361 (retrofit_block): ... here.
15363 * stmt.c (expand_fixup): Fix typo in comment.
15365 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15367 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
15368 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
15369 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
15370 (regmove_optimize, fixup_match_1): Likewise.
15372 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15374 * flow.c (flow_loops_dump): Add missing argument when calling
15375 flow_loop_nested_p.
15377 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
15378 Greg McGary <gkm@gnu.org>
15380 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
15381 (init_attributes): Add A_NO_LIMIT_STACK.
15382 (decl_attributes): Handle A_NO_LIMIT_STACK.
15383 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
15384 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
15385 Handle stack bounds checking.
15386 * flags.h (flag_stack_check): Use the word 'probe' rather than
15387 'check', because the flag doesn't actually cause any checking to
15389 * function.c (expand_function_start): Set
15390 current_function_limit_stack.
15391 * function.h (struct function): Add limit_stack.
15392 (current_function_limit_stack): Define.
15393 * invoke.texi (Code Gen Options): Document new options.
15394 * rtl.h: Declare stack_limit_rtx.
15395 * toplev.c (stack_limit_rtx): New variable.
15396 (decode_f_option): Handle new options -fstack-limit-register=REG,
15397 -fstack-limit-symbol=IDENT, -fno-stack-limit.
15398 (main): Add stack_limit_rtx as GC root.
15399 * tree.h (DECL_NO_LIMIT_STACK): New macro.
15400 (struct tree_decl): New member no_limit_stack.
15402 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
15404 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
15405 (conditional_trap+1): Get new mnemonic correct.
15406 (conditional_trap+2): New pattern for DImode traps.
15408 * config/m68k/m68k.c (output_function_prologue): Handle
15410 * config/m68k/m68k.md (trap): New insn.
15411 (conditional_trap): New insn.
15412 * md.texi (Standard Names): Document `trap' and
15413 `conditional_trap'.
15414 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
15415 so a cc0 setter doesn't get emitted at some random place in the
15418 * config/i960/i960.md (trap): New insn.
15419 (conditional_trap): New expander.
15420 (conditional_trap+1, conditional_trap+2): New insns for signed
15421 and unsigned cases.
15422 * config/i960/i960.c (i960_function_prologue): Use
15423 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
15425 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
15426 Geoffrey Keating <geoffk@cygnus.com>
15428 * flags.h (warn_padded, warn_packed): Add global var decls.
15429 * toplev.c (warn_padded, warn_packed): Add global var defns.
15430 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
15431 * stor-layout.c (layout_record): Add local variable `type'
15432 to hold often-used TREE_TYPE (field). Add local variable
15433 `unpacked_align' to hold alignment that would be in force
15434 if no `packed' attribute were present. Warn if `packed' attribute
15435 is unnecessary, or even harmful. Warn when gcc inserts padding
15436 to satisfy alignment requirements of members. Use NULL_TREE
15437 when checking whether var_size is set.
15438 * invoke.texi: Document new flags.
15440 1999-12-03 Nathan Sidwell <nathan@acm.org>
15442 * frame.c (fde_split): Reimplement to avoid variable sized array.
15444 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15446 * combine.c (try_combine): Before fixing up LOG_LINKS for the
15447 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
15449 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
15451 * invoke.texi: Document the mips option -mno-crt0
15453 1999-12-02 Mike Karr <mkarr@mathworks.com>
15455 * cccp.c (argdata): Added free_ptr member.
15456 (macroexpand): Initialize free_ptr of each argument. When an
15457 argument's buffers are freed, if the argument's free_ptr corresponds
15458 to a buffer on the input stack, then return the free_ptr to that stack
15459 frame, otherwise, free it.
15460 (macarg): If an argument begins and ends on the same input stack level,
15461 then transfer the free_ptr of that buffer to the argument in case
15462 the stack is popped during the processing of a subsequent argument.
15464 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
15466 * loop.c (note_reg_stored): New function.
15467 (struct note_reg_stored_arg): New structure.
15468 (try_copy_prop): Change to be more conservative; only replace within
15469 one extended basic block and stop replacing if a store to the
15470 replacement reg is seen.
15472 1999-12-02 Nick Clifton <nickc@cygnus.com>
15474 * config/fp-bit.c: Initialise all fields of the NAN
15477 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
15480 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15482 * i386.md (extend?f?f2): Force the input into a register, not
15485 1999-12-01 Jakub Jelinek <jakub@redhat.com>
15487 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
15489 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
15490 alternative because setting up 64bit constant is usually costly,
15491 especially when reload is in progress or completed.
15492 (movdf_const_intreg_sp64): Likewise.
15493 (movdf_const_intreg split): Fix building up constants when
15494 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
15496 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
15498 * combine.c (if_then_else_cond): Use const_true_rtx instead of
15499 const1_rtx for return values in EQ/NE comparison against (const_int 0)
15502 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
15503 (asm_file_start): Emit .am33 into assembly file when compiling for
15505 (print_operand_address): Handle POST_INC addresses.
15506 (can_use_return_insn, initial_offset): Check AM33 registers too.
15507 (expand_prologue): Check & save AM33 registers too.
15508 (expand_epilogue): Similarly.
15509 (secondary_reload_class): Handle AM33 specific secondary reloads.
15510 (output_tst): Emit efficient code for the AM33 too.
15511 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
15512 (TARGET_SWITCHES): Add -mam33 switch.
15513 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
15514 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
15515 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
15516 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
15517 (enum reg_class, REG_CLASS_NAMES): Likewise.
15518 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
15519 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
15520 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
15521 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
15522 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
15523 (HAVE_POST_INCREMENT): Define.
15524 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
15525 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
15526 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
15527 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
15528 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
15529 (zero_extend to SI from QI/HI): Likewise.
15530 (sign_extend to SI from QI/HI): Likewise.
15531 (mulsidi3, umulsidi3): New patterns for the AM33.
15532 (tstsi with zero extension from QI/HI): Add AM33 variants.
15533 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
15534 (return_internal_regs, store_movm): Handle new AM33 registers.
15535 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
15536 (LIBGCC, INSTALL_LIBGCC): Likewise.
15537 * invoke.texi: Document new flags.
15539 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15541 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
15542 (addsi3_carry): Likewise.
15543 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
15544 (sbbsi3_carry): Likewise.
15545 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
15546 (mulhi3): Likewise.
15547 (test?i_1): Ensure that only one operand is memory.
15548 (conditional move patterns): likewise.
15549 (shift and rotate patterns): Rewrite to expander, add
15550 "binary_operator_ok" to the condition.
15552 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
15553 * i386.h (procesor_costs): Add movzbl_load field.
15554 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
15555 non-Q registers, accept DImode registers anywhere.
15557 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
15558 * i386.c (*_cost): Set value for movxbl_load field.
15560 * (addsi): New add to lea splitter.
15561 (ashlsi): Likewise.
15562 (lea to add/shift peep2): New.
15564 1999-12-01 Mark Salter <msalter@cygnus.com>
15566 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
15567 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
15568 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
15570 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15572 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
15573 * i386.md (movsi_xor): New.
15575 (movsi_1, movhi_1, movqi_1): Remove.
15576 (movsi_2): Rename to movsi_1.
15577 (movhi_2): Rename to movhi_1.
15578 (movqi_2): Rename to movqi_1.
15579 (movdi_1): Remove; remove splitter.
15580 (movdi_2): Rename to movdi_1.
15581 (divmodsi4 splitter): Do not emit clobbers for move patterns.
15582 (long move peep2): Do not create QI or HI mode mov0s
15583 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
15585 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
15588 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
15589 (abs?f2_if): Likewise.
15591 1999-11-30 Alex Samuel <samuel@codesourcery.com>
15593 * ggc.h (ggc_test_and_set_mark): New macro.
15594 (ggc_mark_rtx): Use ggc_test_and_set_mark.
15595 (ggc_mark_tree): Likewise.
15596 (ggc_mark_rtvec): Likewise.
15597 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
15599 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
15601 * dwarf2out.c (scope_die_for): Only handle types. Only search for
15603 (decl_scope_table): Just an array of trees now.
15604 (push_decl_scope): Simplify.
15605 (dwarf2out_init): Adjust.
15606 (local_scope_p): New fn.
15607 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
15608 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
15609 (gen_typedef_die): Likewise.
15610 (gen_lexical_block_die): Don't call push/pop_decl_scope.
15611 (gen_inlined_subroutine_die): Likewise.
15612 (gen_abstract_function): Set current_function_decl temporarily.
15613 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
15614 Handle block extern declarations. Don't call push/pop_decl_scope.
15615 (gen_decl_die): Fix logic for block externs.
15617 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15619 * calls.c (special_function_p): Remove `realloc' and add `strdup'
15620 to the list of functions which have attribute malloc by default.
15622 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15624 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
15625 integer constant does not match the traditional type, limit the
15626 warnings to cases where the base of the type is ten.
15628 * invoke.texi (-Wtraditional): Document it.
15630 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15632 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
15633 * rs6000.md: Only access a CONST_INT with INTVAL
15635 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
15637 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
15638 (compute_nearerout): Likewise.
15639 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
15640 size_t to unsigned long for formatting.
15642 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15644 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
15645 Allow the user to override call-used/fixed state of %g2-5
15646 registers from the command line (with the exception of %g4 for
15648 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
15649 there is a higher chance of having a leaf function.
15650 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
15651 for ARCH64 which has %ccr register.
15652 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
15654 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
15655 insn accept into delay slot any insn which does not use %[ol]
15656 registers. Accept some LO_SUM and shift left by 1 for the normal
15658 (output_function_epilogue): Likewise.
15659 (epilogue_renumber): Added argument which inhibits any renumbering
15660 and just tests if the rtx does not use any %[ol] registers.
15661 (output_return): Reflect above change.
15663 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15665 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
15666 aggregate passing for sizes <= 16 bytes.
15668 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
15670 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
15671 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
15672 * reload.c (find_dummy_reload): Likewise.
15673 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
15674 * reload1.c (reload_as_needed): Likewise.
15675 * stupid.c (stupid_find_reg): Likewise.
15676 * tm.texi (Obsolete Register Macros): Delete section.
15677 * gmicro.h: Remove all traces of the two macros.
15678 * i386.h: Likewise.
15679 * m88k.h: Likewise.
15680 * mips.h: Likewise.
15682 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
15684 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
15685 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
15686 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
15687 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
15688 units for the sparclite86x chip.
15689 (flush): Revert October 14th change; add SImode specifically.
15690 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
15691 * invoke.texi: Document it.
15693 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
15695 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
15696 psimode_truncation_operand.
15698 * config/mn10200/mn10200.c (psimode_truncation_operand): New
15699 function. Return true if the operand is either a MEM valid
15700 for a PSImode address or not a MEM at all.
15702 * config/mn10200/mn10200.md (truncsipsi2): Use
15703 psimode_truncation_operand.
15705 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15707 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
15708 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
15709 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
15710 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
15711 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
15712 (flow_loop_level_compute, low_loops_level_compute): Likewise.
15713 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
15714 * basic-block.h: Protect from multiple inclusion.
15715 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
15716 (struct loops, struct loop): Define structures.
15717 * sbitmap.c (sbitmap_a_subset_b_p): New function.
15718 * sbitmap.h: Protect from multiple inclusion.
15719 (sbitmap_a_subset_b_p): Add prototype.
15720 * Makefile.in (LOOP_H): New macro.
15721 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
15723 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
15725 * cppinit.c (CAT): The argument list of this macro may not contain
15728 1999-11-29 David S. Miller <davem@redhat.com>
15730 Move quantity tables and register equivalence chains into
15731 per-qty and per-register structure arrays respectively.
15732 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
15733 qty_const_insn, qty_comparison_code, qty_comparison_const,
15734 qty_comparison_qty): Delete, replace with...
15735 (qty_table): this structure table.
15736 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
15737 (reg_eqv_table): this structure table.
15738 (make_new_qty): Add argument MODE. Caller updated.
15739 Update to use qty_table and reg_eqv_table.
15740 (make_regs_eqv, delete_reg_equiv, insert_regs,
15741 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
15742 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
15743 cse_process_notes, cse_main, cse_basic_block): Likewise.
15745 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15747 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
15748 operation if C is negative.
15749 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
15750 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
15751 law for some divisions if constant is negative and change other
15752 divisions to the opposite rounding.
15754 * expr.c (store_constructor_field): If bit position is not multiple
15755 of alignment of TARGET's mode, use BLKmode.
15757 * expr.c (expand_expr_unaligned): Add more code from full case
15758 that is needed when OP0 is in a register.
15760 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15762 * dwarfout.c (field_byte_offset): Size can be zero if there was
15765 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15767 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
15768 (associate_trees): Delete unused var TEM.
15769 (extract_muldiv): Delete unused var CANCEL_P.
15771 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
15772 (target_isinf, target_isnan, target_negative): Add return types to
15773 function definitions.
15775 1999-11-29 Bruce Korb <autogen@linuxbox.com>
15777 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
15778 * fixinc/hackshell.tpl: ditto
15779 * fixinc/fixtests.c(double_slash_test): more C++ header testing
15780 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
15782 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15784 * reload.c (push_reload): When looking for a register to put into
15785 reg_rtx, make sure all hard regs in a multi-reg register are in the
15786 right class and nonfixed.
15788 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
15789 pending_read_insns, pending_write_insns, pending_read_mems,
15790 pending_write_mems, pending_list_length, last_pending_memory_flush,
15791 last_function_call, sched_before_next_call): Move static variables
15793 (bb_ prefixed versions): Replace with single array bb_deps.
15794 (struct deps): New structure.
15795 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
15796 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
15797 argument of type "struct deps *"; use that instead of global
15798 variables. All callers changed.
15799 (init_rgn_data_dependencies): Delete function.
15800 (init_rtx_vector): Delete function.
15801 (init_deps): New function.
15803 (free_pending_lists): Simplify, we always use the bb_deps array even
15804 if only one basic block.
15805 (compute_block_backward_dependences): Likewise.
15806 (schedule_region): Likewise.
15808 (propagate_deps): New function, broken out of
15809 compute_block_backward_dependences.
15810 (compute_block_backward_dependences): Use it.
15812 * alpha.md: Delete useless patterns that tried to work around
15813 register elimination problems.
15815 * unroll.c (loop_iterations): Don't abort if iteration variable
15818 From Joern Rennecke:
15819 * reload1.c (reloads_conflict): Reverse test comparing operand
15820 numbers when testing for conflict between output/outaddr reloads.
15822 1999-11-29 David S. Miller <davem@redhat.com>
15824 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
15826 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
15828 1999-11-28 Robert Lipe <robertl@cygnus.com>
15830 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
15831 table from .fini into .dtor.
15833 1999-11-28 Anthony Green <green@cygnus.com>
15835 * tree.h (struct tree_decl): Add malloc_flag.
15836 (DECL_IS_MALLOC): Define.
15837 * c-common.c (attrs): Add A_MALLOC attribute.
15838 (init_attributes): Add this attribute to the table.
15839 (decl_attributes): Handle malloc attribute.
15840 * calls.c (special_function_p): Check for the malloc attribute.
15841 * extend.texi (Function Attributes): Document malloc attribute.
15843 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
15845 * pa.md (reload shift-add patterns): Remove.
15847 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15849 * reorg.c (dbr_schedule) Print more statistics. Corrected
15850 problem when printing info when 3 delay slots are filled.
15852 1999-11-28 Jakub Jelinek <jakub@redhat.com>
15854 * combine.c (setup_incoming_promotions): Pass an outgoing
15855 regno to FUNCTION_ARG_REGNO_P which it expects.
15857 1999-11-28 Andreas Jaeger <aj@suse.de>
15859 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
15861 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
15863 * cccp.c (do_include): Avoid initialization of automatic variable.
15865 * integrate.c (mark_stores): Function definition made void, to match
15866 previous declaration.
15867 * regclass.c (dump_regclass): Ditto.
15868 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
15870 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15872 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
15873 known to be multiple of divisor.
15875 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
15877 * combine.c (try_combine): Add code to try to merge a set of a
15878 two-word pseudo to a constant with a setting of one of those words
15881 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
15882 (split_tree): Completely rework to make more general.
15883 (make_range, fold): Call negate_expr.
15884 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
15885 (fold, associate): Call new split_tree and associate_trees.
15886 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
15888 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
15890 * loop.c (try_copy_prop): Avoid GNU C extension.
15892 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15894 * except.c (init_eh_for_function): Still zero eh_return_context,
15895 eh_return_stack_adjust, and eh_return_handler.
15897 * except.h (eh_status): Adjust documentation for x_protect_list.
15898 (begin_protect_partials): New function.
15899 * except.c (enqueue_eh_entry): Fix formatting.
15900 (get_first_handler): Add consistency check.
15901 (add_partial_entry): Adjust usage of protect_list.
15902 (emit_cleanup_handler): Save and restore ehqueue.
15903 (expand_start_all_catch): Add comment.
15904 (begin_protect_partials): New function.
15905 (end_protect_partials): Adjust usage of protect_list.
15906 (init_eh_for_function): Use xcalloc.
15908 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15910 * c-common.c (check_format_info): Don't call a variadic function
15911 with a non-literal format string.
15913 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
15915 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
15916 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
15919 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
15922 * collect2.c (collect_wait): Likewise.
15924 * dbxout.c (dbxout_type): Likewise.
15926 * gcc.c (do_spec_1): Likewise.
15928 * genemit.c (gen_insn, gen_expand): Likewise.
15930 * genrecog.c (write_switch, write_subroutine): Likewise.
15932 * mips-tfile.c (catch_signal, botch): Likewise.
15934 * print-rtl.c (print_rtx): Likewise.
15936 * toplev.c (default_print_error_function, report_error_function,
15937 _fatal_insn): Likewise.
15939 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15941 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
15943 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15945 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
15946 operations when needed.
15947 * i386.md (fop_?f_comm): New.
15948 (fop_?f_1): Do not accept commutative operands.
15950 1999-11-25 Andreas Jaeger <aj@suse.de>
15952 * config/mips/mips.md (casesi_internal): Add missing brace.
15954 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
15956 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
15957 (splice_child_die): Handle moving a child DIE from the declaration
15958 DIE of a class to its specification.
15959 (gen_struct_or_union_type_die): Use 'complete' consistently.
15960 (gen_decl_die): Generate the virtual context DIE first.
15961 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
15963 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
15965 * config/mips/mips.md (call_value_multiple_interanal1): New.
15967 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
15969 * dwarf2out.c (free_AT, free_die): New fns.
15970 (remove_children): Call them.
15971 (output_line_info): Disable removal of duplicate notes.
15973 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
15974 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
15975 means pretend the type isn't defined.
15976 Don't defer emitting types.
15977 (gen_type_die_for_member): New fn.
15978 (gen_decl_die): Call it.
15979 (splice_child_die): New fn.
15980 (gen_member_die): Call it rather than generate duplicate dies.
15982 Defer emitting information for the abstract instance of an inline
15983 until we either inline it or emit an out-of-line copy.
15984 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
15985 from output_inline_function if DECL_ABSTRACT is also set.
15986 (block_ultimate_origin): Likewise.
15987 (gen_abstract_function): New fn.
15988 (gen_decl_die, gen_inlined_subroutine_die): Call it.
15989 (gen_subprogram_die): An abstract instance is not a declaration
15990 just because it doesn't match current_function_decl. Don't abort
15991 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
15992 has an abstract origin.
15993 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
15994 abstract instance here.
15996 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
15998 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
15999 where we need to reload fpul from a system register.
16001 1999-11-24 Andreas Jaeger <aj@suse.de>
16003 * config/mips/linux.h (CPP_PREDEFINES): Added.
16004 (LINK_SPEC): Remove -Y since this is only needed on sparc.
16006 1999-11-24 Andreas Jaeger <aj@suse.de>
16008 * config/mips/linux.h (TARGET_VERSION): Added.
16009 (HANDLE_SYSV_PRAGMA): Added.
16010 (DEFAULT_VTABLE_THUNKS): Added.
16012 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16014 * local-alloc.c (qty): New structure and static variable.
16015 (qty_phys_reg): Remove, all references changed to qty.
16016 (qty_n_refs): Likewise.
16017 (qty_min_class): Likewise.
16018 (qty_birth): Likewise.
16019 (qty_death): Likewise.
16020 (qty_size): Likewise.
16021 (qty_mode): Likewise.
16022 (qty_n_calls_crossed): Likewise.
16023 (qty_alternate_class): Likewise.
16024 (qty_changes_size): Likewise.
16025 (qty_first_reg): Likewise.
16026 (alloc_qty): Rename variable QTY to QTYNO.
16027 (finf_free_reg): Likewise.
16028 (local_alloc): Allocate qty, do not allocate the removed variables.
16030 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
16032 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
16033 when -membedded-pic is passed.
16035 * config/mips/mips.md (casesi): Handle 64-bit case too.
16036 (casesi_internal_di): New insn.
16038 * config/mips/mips.c (embedded_pic_offset): Always make the
16039 embedded-pic subtractions relative to the name of the current
16040 function by use of the magic string "..CURRENT_FUNCTION".
16041 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
16043 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
16045 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
16046 of (const_int 0), when what we really care about is
16047 whether it's a zero constant anyway.
16048 (div_trap_mips16): Likewise.
16050 1999-11-23 Mark Mitchell <mark@codesourcery.com>
16052 * loop.c (loop_optimize): Always find_loop_tree_blocks and
16053 unroll_block_trees when generating debuggable code.
16055 * tree.h (unsave_expr_1): New function.
16056 (lang_unsave): New variable.
16057 (get_callee_fndecl): New function.
16058 * tree.c (unsave_expr_now_r): New function.
16059 (lang_unsave): Define.
16060 (unsave_expr_1): Likewise.
16061 (unsave_expr_now_r): Split out from unsave_expr_now.
16062 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
16063 call unsave_expr_now_r.
16064 (get_callee_fndecl): Define.
16066 * Makefile.in (gencheck): Don't depend on lang_tree_files.
16067 (gencheck.o): Do depend on lang_tree_files.
16069 * integrate.h (copy_decl_for_inlining): New declaration.
16070 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
16071 (copy_decl_for_inlining): New function.
16072 (integrate_parm_decls): Use it.
16073 (integrate_decl_tree): Likewise.
16075 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
16077 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
16078 the second two from the first.
16079 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
16080 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
16081 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16083 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
16084 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16087 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
16089 * pa.md (call_internal_symref, call_value_internal_symref): No mode
16090 needed on the address operand.
16091 * pa.c (call_operand_address): Check for the correct mode.
16093 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
16095 * loop.c: Include "basic-block.h".
16096 (try_copy_prop, replace_loop_reg): New functions.
16097 (load_mems): Detect registers that just hold copies of the hoisted
16098 mem, and call try_copy_prop to eliminate them.
16099 * Makefile.in (loop.o): Update dependencies.
16101 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
16103 * Makefile.in (gencheck.o): Depend on gencheck.h.
16104 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
16105 (insn-peep.o): Depend on except.h and function.h.
16106 (insn-attrtab.o): Depend on RECOG_H.
16107 (insn-output.o): Depend on toplev.h and flags.h.
16108 (gengenrtl.o): Depend on real.h.
16109 (gen-protos.o): Depend on cpplib.h and cpphash.h.
16110 Unify all dependencies to be on RECOG_H rather than recog.h.
16112 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16114 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
16115 * configure.in: Try building a bi-arch 32/64-bit compiler on
16116 sparc-*-solaris2.7 and higher.
16117 * configure: Rebuild.
16119 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
16121 * config/freebsd.h: New, FreeBSD architecture independent file.
16122 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
16123 independent pieces.
16124 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
16125 directly by i386/freebsd.h.
16126 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
16127 independent configuration file.
16128 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
16129 directly by i386/freebsd.h.
16130 * configure: Rebuilt.
16132 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
16133 which is in the user's namespace.
16134 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
16135 `i386' which is not in our namespace.
16137 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
16139 * invoke.texi (ARM Options): Add in -mno-alignment-traps
16141 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16143 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
16144 (add_dwarf_attr, add_child_die): Just push onto the front.
16145 (reverse_die_lists): New fn.
16146 (add_sibling_attributes): Use it.
16147 (push_decl_scope): Reorganize.
16148 (add_name_and_src_coords_attributes): Don't set file and line for
16149 an artificial decl.
16150 (gen_subprogram_die): An artificial function doesn't need to match
16152 (gen_compile_unit_die): Return the generated die. Only add
16153 AT_comp_dir if the filename is relative.
16154 (remove_AT): Simplify loop. Also free string values.
16155 (output_die): A DIE ref can't be null.
16156 (output_value_format, value_format): Take a dw_attr_ref.
16157 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
16158 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
16159 AT_addr, AT_lbl): New fns.
16160 (various): Use them.
16161 (various): Constify.
16163 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16165 * combine.c (combine_simplify_rtx): When handling a SUBREG,
16166 take SUBREG_WORD into account.
16167 (if_then_else_cond): Likewise.
16169 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16171 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
16172 clause from BSD license, pursuant with
16174 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
16176 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
16178 * loop.c (load_mems): Reformat slightly.
16179 * basic-block.h (regset_head): New typedef.
16180 (INIT_REG_SET): New macro.
16182 1999-11-22 Bruce Korb <autogen@linuxbox.com
16184 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
16185 (mips-dec-bsd*): non-functional code
16186 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
16188 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
16189 added three replacement fixes
16190 (no_double_slash): removed comments that are not (any longer) pertinent
16191 (bad_lval): this fix currently runs against many files.
16192 The comment seems to indicate that we should select for files
16193 containing 'pragma extern_prefix'.
16195 * fixinc/fixinc.x86-linux-gnu: deleted
16196 * fixinc/inclhack.sh: regen
16197 * fixinc/fixincl.x: regen
16198 * fixinc/fixincl.sh: regen
16200 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
16202 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
16203 its code is INSN and it has no notes.
16205 1999-11-22 Andrew Haley <aph@cygnus.com>
16207 * varasm.c (function_defined): Remove.
16208 (make_function_rtl): Don't set function_defined.
16209 (make_decl_rtl): Remove global register warning.
16210 * regclass.c (no_global_reg_vars): New variable.
16211 (globalize_reg): Warn if function has already been defined.
16212 (regclass_init): Set no_global_reg_vars.
16214 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16216 * regclass.c (reg_pref): New structure and static variable
16217 (prefclass): Delete.
16218 (altclass): Delete.
16219 (all uses of prefclass and altclass): Use reg_pref instead.
16221 1999-11-21 Nick Clifton <nickc@cygnus.com>
16223 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
16225 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
16226 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16227 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16229 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
16231 * varasm.c (output_constructor): Solve problem with long long
16232 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
16234 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16236 * global.c (allocno): New structure and static variable.
16237 (allocno_reg): Remove, all references replaced by allocno.
16238 (allocno_size): Likewise.
16239 (hard_reg_conflicts): Likewise.
16240 (hard_reg_preferences): Likewise.
16241 (hard_reg_copy_preferences): Likewise.
16242 (hard_reg_full_preferences): Likewise.
16243 (regs_someone_prefers): Likewise.
16244 (allocno_calls_crossed): Likewise.
16245 (allocno_n_refs): Likewise.
16246 (allocno_live_length): Likewise.
16247 (find_reg): Rename ALLOCNO to NUM.
16249 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
16250 references updated.
16251 (may_move_out_cost): New variable.
16252 (init_reg_sets_1): Initialize may_move_out_cost.
16253 (record_reg_classes): Use may_move_out_cost.
16255 * regclass.c (dump_regclass): New function.
16256 (regclass): New parameter DUMP, call DUMP_REGCLASS.
16257 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
16258 pass rtl_dump_file to regclass.
16259 * rtl.h (regclass): Update prototype.
16261 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16263 * i386.md (neg, not and abs patterns): Revmap to use
16264 ix86_expand_unary_operator and ix86_unary_operator_ok.
16265 (add?f and sub?f expanders): Force operand 1 to register.
16266 * i386.c (ix86_expand_unary_operator): Rewrite.
16267 (ix86_unary_operator_ok): Ensure that memory operands
16269 (ix86_binary_operator_ok): Do not allow operand 1 to
16270 come into memory and operand 0 not.
16271 (ix86_expand_binary_operator): Ensure that
16272 src1 is not non-matching memory.
16274 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
16275 to support integer registers and memory.
16276 (abss?2_integer): Likewise.
16278 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
16279 (REG_CLASS_NAMES): Likewise.
16280 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
16282 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
16283 (movsf): Likewise; unify 4th and 5th alternative.
16284 (pushdf): Likewise.
16285 (movdf_1): Likewise; rename to movdf_integer.
16286 (pushxf): Likewise; rename to pushxf_integer; fix output template;
16287 remove redundant splitter.
16288 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
16289 (movdf_nointeger): New.
16290 (movxf_nointeger): New.
16291 (pushxf_nointeger): New.
16293 * i386.md (extend?f?f): Split to expander and pattern, refuse two
16294 memory operands in patterns.
16295 (fop*): Refuse two memory operands.
16297 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
16298 on !TARGET_USE_CLTD CPUs.
16300 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
16302 * extend.texi: Document C++ restricted pointers and references.
16304 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
16306 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
16307 (invalidate_skipped_set): Call it unconditionally.
16308 (cse_set_around_loop): Likewise.
16310 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16312 * rtl.texi (mem): Add documentation for alias-set argument
16315 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16317 * i386.h (struct_processor_costs): New fields int_load, int_store,
16318 fp_move, fp_load and fp_store
16319 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
16321 (MEMORY_MOVE_COST): New macro.
16322 * i386.c (386_cost): Define new fields.
16323 (i486_cost): Likewise.
16324 (pentium_cost): Likewise.
16325 (pentiumpro_cost): Likewise.
16326 (k6_cost): Likewise.
16328 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
16329 Geoffrey Keating <geoffk@cygnus.com>
16331 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
16333 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
16336 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
16337 (TARGET_STRICT_ALIGNMENT): New macro.
16338 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
16339 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
16340 * invoke.texi (M680x0 Options): Document -mstrict-align.
16342 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
16343 Richard Henderson <rth@cygnus.com>
16345 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
16346 (ix86_split_long_move): Declare.
16347 * i386.c (split_xf, ix86_split_movdi): Remove.
16348 (ix86_split_to_parts, ix86_split_long_move): New.
16349 * i386.md (dimode move splitters): Use ix86_split_long_move.
16350 (dfmode move splitters): Likewise.
16351 (xfmode move splitters): Likewise.
16352 (movsf_1): Allow F->r.
16353 (movdf_1, movxf_1): Allow F->ro.
16355 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16357 * except.h (struct eh_entry): Add goto_entry_p.
16358 (eh_region_from_symbol): Remove prototype.
16359 * except.c (find_func_region_from_symbol): New function.
16360 (emit_cleanup_handler): Likewise.
16361 (eh_region_from_symbol): Make it static.
16362 (add_new_handler): Verify the argument.
16363 (find_func_region): Update comment.
16364 (expand_eh_region_end): Expand handlers here, rater than waiting
16365 until expand_leftover_cleanups or start_all_catch.
16366 (expand_leftover_cleanups): Don't expand here.
16367 (expand_start_all_catch): Or here.
16368 (expand_rethrow): Check the return value from find_func_region.
16369 * function.c (expand_function_end): Emit the catch_clauses.
16371 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
16373 * integrate.c (expand_inline_function): Add necessary check for NULL.
16375 1999-11-18 Nick Clifton <nickc@cygnus.com>
16377 * toplev.c (main): Correctly detect an unrecognised option.
16379 * cppinit.c (cpp_handle_option): Do not claim to have consumed
16380 a -f option if it has not been recognised.
16382 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
16384 * basic-block.h (update_life_extent): Remove trailing comma on
16385 enumeration type list.
16387 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16389 * varasm.c (output_constructor) Solved problem with long long
16390 bitfields. Corrected calculating this_time and shift. Also
16391 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
16393 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
16395 * flow.c (split_edge): Take looping structure into account when
16396 determining where to put the new block note.
16398 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
16400 * Makefile.in (ggc-none.o): Provide host specific version if
16403 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
16405 * cse.c (delete_trivially_dead_insns): Identify no-op insns
16406 containing subregs too.
16408 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16410 * invoke.texi: Add documentation for -muninit-const-in-rodata.
16411 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
16412 (TARGET_UNINIT_CONST_IN_RODATA): Define.
16413 (text_section): Add switches -munint-const-in-rodata and
16414 -mno-uninit-const-in-rodata.
16415 (ASM_OUTPUT_COMMON): Remove.
16416 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
16417 const objects should be placed in read-only data. Otherwise declare
16420 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
16422 * jump.c (jump_optimize_1): Revert last change.
16424 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
16426 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
16427 test if optimizing for size.
16429 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16431 * Makefile.in (toplev.o): Depend on except.h.
16432 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
16434 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16436 * i386.md (divmodsi4): Rewrite to expander.
16437 (*divmodsi4_nocltd): New.
16438 (*divmodsi4_cltd): New.
16439 (divmodsi4 splitter): Handle the case when input comes in edx.
16440 (udivmodhi4): Do not use constraints in exander.
16441 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
16443 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
16445 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
16446 for the common case.
16448 1999-11-16 Jakub Jelinek <jakub@redhat.com>
16450 * explow.c (hard_function_value): Add outgoing argument.
16451 * expr.h (hard_function_value): Declare it.
16452 * calls.c (expand_call, emit_library_call_value): Update callers.
16453 * function.c (aggregate_value_p): Ditto.
16454 (diddle_return_value): Must look at the outgoing registers
16455 on archs with register windows.
16457 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
16459 * alpha.c (alpha_build_va_list): Use make_lang_type and
16460 initialize TYPE_NAME for the va_list record.
16462 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
16464 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
16466 * ggc.h (struct ggc_statistics): Rearrange elements for better
16467 packing on 64-bit hosts.
16468 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
16469 (compute_nearerout): Likewise.
16471 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
16473 * config/rs6000/rs6000.c (first_reg_to_save): Save
16474 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
16476 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
16478 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
16479 notion of nesting to find the DIE for a type or function.
16480 DIEs can go in limbo even if we got a context_die.
16481 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
16482 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
16484 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
16485 (gen_type_die): Writing out the context doesn't cause member class
16486 template instantiations to be written out as well.
16488 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
16490 * rs6000.h (ASM_OUTPUT_DEF): New.
16491 Based on proposed addition from David Edelsohn.
16493 1999-11-15 Robert Lipe <RobertLipe@usa.net>
16494 Bruce Korb <autogen@linuxbox.com>
16496 * fixinc/inclhack.def
16497 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
16498 (unixware7_byteorder_fix): added. Removes conflicts for new defs
16500 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
16501 (svr4_endian): enabled with SVR5
16502 (svr4_mkdev): simplified syntax and enabled with SVR5
16504 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
16506 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
16507 * configure: Rebuilt.
16508 * config/t-freebsd-thread: New file.
16510 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
16512 * i386.c (ix86_decompose_address): Verify the base is a REG
16513 before trying to examine its register number.
16515 * basic-block.h: Remove all #defines and prototypes related to
16517 (free_bb_mem, compute_preds_succs): Remove prototype.
16518 * rtl.h (free_bb_mem): Remove prototype.
16519 * flow.c (alloc_int_list_node); Remove function.
16520 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
16521 (compute_preds_succs, free_bb_mem): Likewise.
16522 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
16523 * toplev.c (rest_of_compilation): Likewise.
16524 * haifa-sched.c (build_control_flow): Use flow generated edge
16525 list to build the haifa specific edge list.
16526 (find_rgns): Use new CFG data structures instead of pred/succ lists.
16527 (schedule_insns): Do not build pred/succ lists anymore. Instead
16528 build the edge table.
16530 * basic-block.h (dump_bb_data): Remove declaration.
16531 * flow.c (dump_bb_data): Remove function.
16532 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
16533 (sbitmap_union_of_predsucc): Likewise.
16535 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
16536 argument. All callers changed.
16537 (delete_null_pointer_checks_1): No longer need to compute the
16540 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
16541 All callers changed.
16542 (pre_expr_reaches_here_p_work): Likewise.
16543 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
16544 * lcm.c (compute_laterin): Fix initialization of LATER.
16545 (compute_nearerout): Similarly for NEARER.
16547 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16549 * cse.c (set_nonvarying_address_components): Delete unused function.
16550 (refers_to_p): Likewise.
16552 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
16554 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
16557 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16559 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
16560 definition in do while (0).
16562 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
16564 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
16566 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
16568 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
16570 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16572 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
16573 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
16574 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
16575 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
16577 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
16578 saved on the stack. Output more accurate stack frame statistics
16579 into assembler file.
16581 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
16583 * genextract.c (record_insn_name): New function.
16584 (get_insn_name): No longer a stub.
16585 (main): Call record_insn_name for each insn. After each label
16586 written, print the insn name in a comment.
16588 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16590 * output.h (const_section, init_section, fini_section): Add
16593 * alpha/elf.h (const_section): Delete declaration.
16595 * svr4.h (const_section): Likewise.
16597 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
16599 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
16600 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
16601 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
16603 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
16604 variable-sized array bounds.
16606 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
16608 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
16611 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16613 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
16614 addresses the same way GO_IF_LEGITIMATE_INDEX does.
16616 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16618 * cse.c (hash_arg_in_struct): Delete.
16619 (struct table_elt): Delete elt in_struct.
16620 (struct set): Delete elt src_in_struct.
16621 (merge_equiv_classes): Don't set either hash_arg_in_struct or
16622 the corresponding in_struct elts.
16623 (canon_hash): Likewise.
16624 (safe_hash): Likewise.
16625 (find_best_addr): Likewise.
16626 (record_jump_cond): Likewise.
16627 (cse_insn): Likewise.
16629 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
16631 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
16633 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
16636 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
16638 * function.c (diddle_return_value): Put back check that the DECL_RTL
16639 for the function is a register.
16641 * function.c (diddle_return_value): Use hard_function_value to
16642 get an rtx suitable for use in the USE/CLOBBER insn.
16644 * global.c (global_conflicts): Update comments.
16645 (record_conflicts): No need to record conflicts between pseudos here.
16647 1999-11-11 Bruce Korb <autogen@linuxbox.com>
16649 * fixinc/fixincl.c: Added verbose levels for status messages
16651 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16653 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
16654 operand as argument to expand_and or expand_binop.
16656 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
16658 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
16659 gcc_add_string_root.
16661 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
16663 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
16665 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
16667 * flow.c (compute_flow_dominators): Initially put all blocks on
16669 * lcm.c (compute_antinout_edge, compute_available): Similarly.
16670 * gcse.c (compute_cprop_avinout): Remove.
16671 (compute_cprop_data): Use compute_available.
16672 (delete_null_pointer_checks_1): Use compute_available.
16674 * basic-block.h (compute_available): Returns a void now.
16675 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
16676 to return a value anymore.
16677 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
16678 worklists. Fix boundary cases. Compute maximal solutions.
16679 (compute_laterin, compute_nearerout): Similarly.
16681 * dwarf2out.c (add_AT_location_description): Allow
16682 (mem (plus (pseudo) (...)) too.
16684 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
16686 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
16688 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
16689 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16691 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
16693 * gansidecl.h: Likewise.
16699 * toplev.h: Likewise.
16701 * tree.c: Likewise.
16703 * tree.h: Likewise.
16705 * varray.c: Likewise.
16707 * varray.h: Likewise.
16709 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
16711 * gcov.c (struct arcdata): Add hits and total, remove prob.
16712 (output_branch_counts): New.
16713 (process_args): Set output_branch_counts if -c.
16714 (calculate_branch_probs): Store hits and total instead of
16716 (output_data): Emit counts if output_branch_counts is true.
16717 * gcov.texi (Invoking Gcov): Document -c switch..
16719 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
16721 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
16722 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
16724 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
16726 * invoke.texi (C Dialect Options): Add missing builtins from
16727 c-common.c to list.
16728 * extend.texi (Other Builtins): Copy to this list.
16730 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16732 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
16733 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
16734 redundant bitmap.h.
16736 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
16738 * flow.c (compute_flow_dominators): No longer treat basic block 0
16739 or (n_basic_blocks - 1) specially. Clear the AUX field before
16740 starting computation of doms/pdoms. Fix initial state for pdoms.
16742 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16744 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
16745 match rtl.o's: added ggc.h and toplev.h
16746 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
16747 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
16748 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
16750 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
16752 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
16753 from HAVE_DOS_BASED_FILESYSTEM.
16754 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
16755 HAVE_DOS_BASED_FILESYSTEM.
16757 (split_directories): Only special-case DOS file names if
16758 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
16759 instead of explicit tests. Conditionalize on !VMS.
16760 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
16761 tests. Conditionalize on !VMS.
16762 (process_command): Only use make_relative_prefix if !VMS.
16763 (free_split_directories): Conditionalize on !VMS.
16764 (DIR_UP): Conditionalize on !VMS.
16766 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
16768 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
16770 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
16772 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
16775 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
16777 * invoke.texi (Environment Variables): Document relative path
16779 * gcc.c (DIR_UP): If not defined, define as "..".
16780 (standard_bindir_prefix): New static, holds target location to
16782 (split_directories): New function to split a filename into
16783 component directories.
16784 (free_split_directories): New function, release memory allocated
16785 by split_directories.
16786 (make_relative_prefix): New function, make a relative pathname if
16787 the compiler is not in the expected location.
16788 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
16789 can figure out an appropriate prefix from argv[0].
16790 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
16791 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
16792 STANDARD_BINDIR_PREFIX.
16794 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16796 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
16798 * config/c4x/c4x.h: Moved prototypes to c4x.h.
16799 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
16800 c4x_secondary_memory_needed) Delete.
16801 (fp_zero_operand): Add mode argument.
16803 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
16805 * reload1.c (reload_reg_free_for_value_p): Don't use a register
16806 that is in reload_reg_used.
16808 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
16810 * config/arm/arm-protos.h: New file: Prototypes for functions
16811 defined in arm.c and pe.c.
16812 * config/arm/arm.h: Fix compile time warnings.
16813 * config/arm/arm.c: Fix compile time warnings.
16814 * config/arm/pe.h: Fix compile time warnings.
16815 * config/arm/aout.h: Fix compile time warnings.
16817 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
16819 * config/m32r/m32r-protos.h: New file: Prototypes for functions
16822 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
16823 Add support for subtargets.
16824 Add prototypes for new predicates.
16825 Add scheduling macros.
16827 * config/m32r/m32r.c: Fix compile time warnings.
16828 (int8_operand): New predicate function.
16829 (reg_or_cmp_int16_operand): New predicate function.
16830 (extend_operand): New predicate function.
16831 (m32r_adjust_code): New scheduling function.
16832 (m32r_adjust_priorty): New scheduling function.
16833 (m32r_sched_init): New scheduling function.
16834 (m32r_sched_reorder): New scheduling function.
16835 (m32r_sched_variable_issue): New scheduling function.
16836 (direct_return): New codegen function.
16837 (m32r_not_same_reg): New rtl testsing function.
16839 * config/m32r/m32r.md: Fix compile time warnings.
16840 Add support for pre decrement and post increment memory
16842 Add S<cc> patterns.
16845 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16847 * global.c (EXECUTE_IF_CONFLICT): Don't define.
16848 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
16849 (find_reg): Likewise.
16851 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
16853 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
16854 to avoid assembler errors.
16856 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
16858 * config/v850/v850-protos.h: New file: Prototypes for functions
16860 * config/v850/v850.h: Move prototypes to v850-protos.h
16861 * config/v850/v850.c: Move prototypes to v850-protos.h
16862 * config/v850/v850.md: Fix compile time warnings.
16864 * config/fr30/fr30-protos.h: New file: Prototypes for functions
16866 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
16867 * config/fr30/fr30.c: Fix compile time warnings.
16868 * config/fr30/fr30.md: Fix compile time warnings.
16870 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
16872 * tree.h (get_containing_scope): Declare it.
16873 * tree.c (get_containing_scope): New fucntion.
16874 (decl_function_context): Use it.
16875 * toplev.c (rest_of_compilation): Use get_containing_scope.
16877 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16879 * Makefile.in (rtl.o): Depend on toplev.h.
16881 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
16883 * cse.c (delete_trivially_dead_insns): Replace alloca with
16885 * except.c (update_rethrow_references): Likewise.
16886 (init_eh_nesting_info): Likewise.
16887 * function.c (identify_blocks): Likewise.
16888 * gcse.c (dump_hash_table): Likewise.
16889 * graph.c (print_rtl_graph_with_bb): Likewise.
16890 * loop.c (combine_movables): Likewise.
16891 (move_movables): Likewise.
16892 (count_loop_regs_set): Likewise.
16893 (strength_reduce): Likewise.
16894 * profile.c (compute_branch_probabilities): New function, split
16896 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
16897 * regclass.c (regclass): Likewise.
16898 * regmove.c (regmove_optimize): Likewise.
16899 * toplev.c (compile_file): Likewise.
16900 (main): Don't mess with the stack rlimit.
16902 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
16904 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
16905 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
16907 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
16909 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
16911 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
16913 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
16914 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
16917 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
16919 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
16921 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
16923 * gcse.c (post_dominators): Kill.
16924 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
16925 (compute_code_hoist_data): Use compute_flow_dominators. Do not
16926 pass in a pdom array since we do not need pdoms.
16927 * haifa-sched.c (schedule_insns): Similarly.
16928 * flow.c (compute_dominators): Remove dead function.
16929 (compute_flow_dominators): Do not compute doms or pdoms if the
16930 caller does not request them. Split up loop to build doms and
16931 pdoms. Use a worklist to compute doms and pdoms.
16932 * basic-block.h (compute_dominators): Remove prototype.
16934 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
16936 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
16937 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
16938 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
16939 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
16940 (cant_move, fed_by_spec_load, is_load_insn): Remove.
16941 (schedule_region): Remove unused variable.
16942 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
16944 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
16946 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
16947 (update_equiv_regs): Likewise.
16948 (block_alloc): Likewise.
16949 * reg-stack.c (reg_to_stack): Likewise.
16950 (convert_regs_2): Likewise.
16951 * reload1.c (reload_as_needed): Likewise.
16953 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
16955 * Makefile.in (dbxout.o): Depend on ggc.h.
16956 (dwarf2out.o): Likewise.
16957 (xcoffout.o): Likewise.
16958 * dbxout.c: Include ggc.h.
16959 (dbxout_init): Register lastfile as a root.
16960 * dwarf2out.c: Include ggc.h.
16961 (dwarf2out_line): Register lastfile as a root.
16962 * xcoffout.c: Include ggc.h.
16963 (xcoffout_source_line): Register xcoff_lastfile as a root.
16965 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
16967 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
16969 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
16971 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
16973 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
16975 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16977 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
16978 (EXECUTE_IF_CONFLICT): Likewise.
16979 (ALLOCNO_LIVE_P): Avoid signed division.
16980 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
16981 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
16982 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
16984 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
16986 * haifa-sched.c (schedule_block): Don't crash if there's no
16987 next insn for an interblock movement.
16988 (add_branch_dependences): Don't allow clobber insns to move either.
16990 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
16992 * i386.c (split_xf): New.
16993 * i386-protos.h: Declare it.
16994 * i386.md (movxf_1): Add general regs alternatives.
16995 (movxf_1+1): New splitter for same.
16997 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
16999 * function.c (purge_addressof_1): Add missing return values.
17001 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
17003 * function.c (is_addressof): New function. Returns true if
17004 the given piece of RTL is an ADDRESSOF.
17005 (purge_addressof_1): Make boolean. Return false if the
17006 ADDRESSOFs could not be purged.
17007 (purge_addressof): If ADDRESSOFs could not be purged from the
17008 notes attached to an insn, remove the offending note(s),
17009 unless they are attached to a libcall.
17011 1999-11-05 Andreas Jaeger <aj@suse.de>
17013 * genoutput.c (null_operand =): Initialize all fields.
17015 * errors.h: Add extern to prototypes.
17017 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
17019 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
17020 * configure: Rebuilt.
17022 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17024 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
17025 (mirror_conflicts): New function.
17026 (global_alloc): Call it.
17027 (expand_preferences): Remove redundant CONFLICTP test.
17028 (find_reg, dump_conflicts): Likewise.
17029 (prune_preferences): Process conflicts one word at a time.
17031 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
17033 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
17034 instead of an explicit loop.
17036 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
17038 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
17039 if REG_RETVAL check succeeds, then put classp in src_elt.
17041 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
17043 * function.c (pad_to_arg_alignment): Only update argument_pad
17044 if the argument's alignment is greater than STACK_BOUNDARY.
17046 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
17048 * bitmap.h (BITMAP_XFREE): New.
17049 * flow.c (life_analysis): Use it.
17050 (life_analysis_1): Free blocks.
17052 * combine.c (undo_commit): New.
17053 (try_combine): Use it. Don't zap undobuf.undos.
17054 (combine_instructions): Don't zap undobuf.undos; free the
17055 undobuf.frees list.
17057 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
17059 * stmt.c (cost_table_): New.
17060 (estimate_case_costs): Use it instead of xmalloc.
17062 * toplev.c (compile_file): Reuse dumpname memory instead
17065 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
17067 * reg-stack.c (convert_regs_1): Initialize target_stack->top
17068 after verifying an EH edge.
17070 * haifa-sched.c (init_rgn_data_dependences): Correctly
17071 size bb_pending_lists_length when zeroing.
17073 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
17075 * function.c (diddle_return_value): New.
17076 (expand_function_end): Use it.
17077 * stmt.c (expand_null_return): Likewise.
17078 (expand_value_return): Likewise.
17080 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
17082 * reload1.c (reload): Don't remove return value clobbers.
17084 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
17086 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
17088 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
17090 * cse.c (cse_main): Use xmalloc, not alloca.
17091 (cse_basic_block): Likewise.
17092 * local-alloc.c (local_alloc): Likewise.
17094 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
17095 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17097 * rtl.c: Include toplev.h.
17098 (fatal): Remove declaration.
17100 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
17102 * haifa-sched.c (schedule_block): Fix thinko.
17104 1999-11-03 James McKelvey <mckelvey@fafnir.com>
17106 * fixinc/fixincl.c(create_file): Allow for systems that do not have
17107 S_IR* defined values
17109 1999-11-03 Philippe De Muyter <phdm@macqel.be>
17111 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
17112 call `malloc' instead.
17114 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
17116 * flags.h (flag_renumber_insns): Declare.
17117 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
17119 * rtl.h (renumber_insns): Change prototype.
17120 * toplev.c (flag_renumber_insns): Define.
17121 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
17123 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
17125 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
17126 and fpsqrtd. Use them and create fdiv function unit to more
17127 accurately represent fpu sqrt pipeline semantics on UltraSparc.
17128 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
17130 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
17132 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
17134 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
17135 insn into ready list, do not use just a raw swap.
17137 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
17139 * rtl.h (renumber_insns): New function.
17140 (remove_unnecessary_notes): Likewise.
17141 * emit-rtl.c (renumber_insns): Define.
17142 (remove_unncessary_notes): Likewise.
17143 * toplev.c (rest_of_compilation): Remove dead code.
17144 Use renumber_insns and remove_unncessary_notes.
17146 * gcse.c (struct null_pointer_info): New type.
17147 (get_bitmap_width): New function.
17148 (current_block): Remove.
17149 (nonnull_local): Likewise.
17150 (nonnull_killed): Likewise.
17151 (invalidate_nonnull_info): Take a null_pointer_info as input.
17152 (delete_null_pointer_checks_1): New function.
17153 (delete_null_pointer_checks): Use it.
17155 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
17156 (split_edges): Likewise.
17157 (schedule_block): Likewise.
17158 (compute_block_backward_dependencies): Likewise.
17159 (schedule_region): Likewise.
17160 (schedule_insns): Likewise.
17162 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
17164 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
17165 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
17166 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
17167 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
17168 * jump.c (delete_unreferenced_labels): Don't delete if
17169 LABEL_ALTERNATE_NAME is set.
17170 * print-rtl.c (print_rtx): Dump alternate name.
17171 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
17172 * rtl.h (LABEL_ALTERNATE_NAME): Define.
17173 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
17174 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
17176 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17178 * fix-header.c (recognized_extern, recognized_function): Constify
17181 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
17182 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17183 (compute_available): Remove unused variable `last'.
17184 (compute_nearerout): Remove unused variable `temp_bitmap'.
17185 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17186 Remove unused variable `x'.
17188 * scan.h (recognized_function, recognized_extern): Constify a
17191 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
17193 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17195 * varasm.c (decode_rtx_const): Use XSTR to access the string
17198 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
17200 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
17202 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17204 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
17206 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
17208 * pa.c (ireg_operand): New function.
17209 * pa.h (PREDICATE_CODES): Handle ireg_operand.
17210 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
17211 Fix out of date comment.
17213 * pa.md (negdi2): Turn into expander + anonymous pattern.
17215 * reload.c (find_reloads): Fix typos in recent change.
17217 * dwarf2out.c: Do not include ctype.h.
17219 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17221 * regclass.c (record_reg_classes): Always use may_move_cost when
17222 seeing how operand fits with various register classes.
17224 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
17226 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
17227 * toplev.c: Revert Nov 1 13:22 change.
17229 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
17231 * config/pa/pa.md (height reduction patterns): Add checks for
17232 overlapping operands to avoid semantic-destroying splits for
17233 height reduction patterns.
17235 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17237 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
17238 have been an hyphen, fixed.
17239 * configure: Rebuilt.
17241 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
17243 * config/arm/tpe.h: Add prototypes for exported functions.
17244 * config/arm/pe.c: Fix compile time warnings.
17245 * config/arm/semi.h: Fix compile time warnings.
17246 * config/arm/arm.c: Fix compile time warnings.
17247 * config/arm/arm.h: Fix compile time warnings.
17248 * config/arm/arm.md: Fix compile time warnings.
17249 * config/arm/thumb.c: Fix compile time warnings.
17250 * config/arm/thumb.h: Fix compile time warnings.
17251 * config/arm/thumb.md: Fix compile time warnings.
17253 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
17255 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
17258 * unroll.c (unroll_loop): Remove LOOP notes when loop is
17259 completely unrolled.
17261 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17263 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
17265 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
17267 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
17268 * rtl.h (rtx_equal_p): Move prototype.
17269 * rtl.c (rtx_equal_function_value_matters): Move from
17271 (rtx_equal_p): Likewise.
17272 * rtlanal.c (rtx_equal_function_value_matters): Delete.
17273 (rtx_equal_p): Likewise.
17275 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17277 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
17278 ! HAS_INIT_SECTION.
17280 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
17282 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
17284 * pa.h (ADDR_VEC_ALIGN): Define.
17286 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
17287 notes when presented with "if (foo) break; end_of_loop" and
17288 the break sequence gets moved out of the loop.
17290 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
17291 Remove explicit zero initializations of entries within MAP.
17293 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
17295 * reg-stack.c (convert_regs_1): Handle EH edges specially.
17297 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
17299 * bitmap.h (BITMAP_XMALLOC): New macro.
17300 * flow.c (CLEAN_ALLOCA): Remove.
17301 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
17302 (life_analysis): Likewise.
17303 (update_life_info): Don't use CLEAN_ALLOCA.
17304 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
17305 (calculate_global_regs_live): Likewise.
17306 (print_rtl_with_bb): Likewise.
17307 (verify_flow_info): Likewise.
17308 * global.c (global_alloc): Likewise.
17309 (global_conflicts): Likewise.
17310 * integrate.c (save_for_inline_nocopy): Likewise.
17311 (expand_inline_function): Likewise.
17312 * jump.c (jump_optimize_1): Likewise.
17313 (duplicate_loop_exit_test): Likewise.
17314 (thread_jumps): Likewise.
17315 * loop.c (loop_optimize): Likewise.
17316 (combine_givs): Likewise.
17317 (recombine_givs): Likewise.
17318 * reorg.c (dbr_schedule): Likewise.
17319 * unroll.c (unroll_loop): Likewise.
17321 * combine.c (combine_instructions): Use xmalloc instead of alloca.
17323 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
17325 * toplev.c (rest_of_compilation): Don't optimize the CFG
17326 when rebuilding, just before dbr.
17328 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17330 * output.h (assemble_end_function, assemble_destructor,
17331 assemble_constructor, assemble_gc_entry, assemble_global,
17332 assemble_label, output_constant_pool) Constify a char*.
17334 * varasm.c (assemble_destructor, assemble_constructor,
17335 assemble_gc_entry, assemble_end_function, assemble_global,
17336 assemble_label, output_constant_pool): Likewise.
17338 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
17340 * config/arm/thumb.c (thumb_expand_prologue): Add comments
17341 explaining what is goin on in this function.
17343 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17345 * regclass.c (record_reg_classes): In matching case, recompute
17346 costs since the direction of movement is different.
17348 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17350 * resource.c (mark_target_live_regs): For unconditional branches,
17351 the resources found at the branch target should be added to the
17352 resources found so far, not intersected.
17354 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
17356 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
17358 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
17359 (sys/mman.h): Include this file only if #HAVE_MMAP.
17360 (run_compiles): Initialize `esac_fmt' with one old KR string, not
17361 with automatically concatenated ANSI strings.
17363 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
17365 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
17366 (DIV_ROUND_UP): Robustify.
17367 (ggc_recalculate_in_use_p): New function.
17368 (release_pages): Don't inline it.
17369 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
17371 (ggc_pop_context): Use ggc_recalculate_in_use_p.
17372 (clear_marks): Always save in_use_p.
17373 (sweep_pages): Use ggc_recalculate_in_use_p.
17374 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
17375 Release pages before counting statistics.
17377 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
17379 * toplev.c (rest_of_compilation): Fix thinko in this change:
17381 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17383 (rest_of_compilation): If inside an inlined external function,
17384 pretend we are just being declared.
17386 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
17388 * flow.c (calculate_global_regs_live): Fix thinko.
17390 * integrate.c (expand_inline_function): Fix bugs in previous
17391 change from Oct 28, 1999.
17393 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
17395 * stmt.c (expand_value_return): Fix typo in this change:
17397 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17398 (expand_value_return): Correctly convert VAL when promoting function
17399 return; support RETURN_REG being a PARALLEL.
17401 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
17403 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
17405 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17407 * hard-reg-set.h (reg_names): Constify a char*.
17409 * regclass.c (reg_names): Likewise.
17411 * regs.h (reg_names): Likewise
17413 * a29k/a29k.c (reg_names): Delete declaration.
17415 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
17417 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
17418 arc_output_function_epilogue): Likewise.
17420 * elxsi/elxsi.c (reg_names): Likewise.
17422 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
17424 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
17427 * m88k/m88k.c (output_function_profiler): Likewise.
17429 * sparc/sparc.c (sparc_flat_output_function_prologue,
17430 sparc_flat_output_function_epilogue): Likewise.
17432 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
17434 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
17435 warning from -Wuninitialized and put it under -W.
17436 * function.c (uninitialized_vars_warning): Warn only when the
17437 corresponding flag is set.
17439 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
17441 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
17442 is nonzero and the single set does not have an elt, then assign
17445 * simplify-rtx.c: New file.
17446 * Makefile.in (OBJS): Add simplify-rtx.o
17447 (simplify-rtx.o): Add dependencies.
17448 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
17449 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
17450 (cse_gen_binary, simplify_unary_operation): Delete.
17451 (simplify_binary_operation, simplify_plus_minus): Likewise.
17452 (check_fold_consts, simplify_relation_operation): Likewise.
17453 (simplify_ternary_operation): Likewise.
17454 (delete_trivially_dead_insns): Simplify the contents of the
17455 REG_EQUAL note before trying to substitute it into the source
17456 of the reg-reg copy at the end of a libcall sequence.
17458 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
17459 references/callers changed.
17461 * mn10200.c (mn10200_va_arg): Force the return value into a
17464 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
17466 * cccp.c (macroexpand): Avoid out of range accesses for omitted
17469 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
17471 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
17473 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
17475 * fold-const.c (fold): Fix thinko when optimizing comparisons
17478 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
17480 * gcc.texi (Passes): Update front-end files to their current
17483 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
17485 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
17486 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
17487 (PREDICATE_CODES): Add addition_operation.
17488 * alpha-protos.h (addition_operation): Declare.
17489 (secondary_reload_class): Likewise.
17490 * alpha.c (addition_operation): New.
17491 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
17492 * alpha.md (adddi3): Turn into expander.
17493 (*lda, *adddi_2): New.
17494 (movsf, movdf patterns): Don't preference integer regs.
17495 (movsi, movdi patterns): Don't preference fp regs.
17497 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
17499 * genrecog.c (write_switch): Check for duplicate CODE cases.
17501 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
17503 * ggc-common.c: Update pre-function commentary.
17504 * ggc-page.c: Likewise.
17506 (poison_pages): Use memset directly.
17507 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
17508 (ggc_collect): Poison before sweeping.
17509 * ggc-simple.c: Update pre-function commentary.
17510 (ggc_alloc_obj): Poison non-zeroed memory.
17512 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
17514 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
17515 match format string, even on 64-bit hosts.
17516 * gcc-page.c (ggc_page_print_statistics): Likewise.
17518 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
17520 * config/i386/i386.c (ix86_cpu): Revert last patch.
17521 * config/i386/i386.h (ix86_cpu): Ditto.
17523 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
17525 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
17526 TYPE_SIZE, convert type of result to sizetype.
17528 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
17530 * flow.c (count_or_remove_death_notes): Equate NULL with the
17533 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
17534 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
17537 * i386.c (pic_label_no): Delete.
17538 (ix86_attr_length_default): Don't use single_set to peek
17541 * recog.c (peephole2_optimize): Allow recog_next_insn to index
17542 the first insn after bb->end.
17543 * i386.md (push mem peeps): Scratch is live after evaluation
17545 (cmp mem peep): Similarly.
17547 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
17549 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
17550 * function.c (pad_to_arg_alignment): Add missing braces.
17552 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17554 * alpha/alpha-protos.h (literal_section): Add prototype.
17555 (alpha_need_linkage, alpha_start_function,alpha_end_function):
17558 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
17560 (alpha_start_function, alpha_end_function, float_strings,
17561 alpha_need_linkage): Constify a char*
17563 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
17565 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
17567 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
17569 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
17571 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17573 * flow.c (debug_flow_info): Add prototype.
17575 * gcc.c (main): Likewise.
17577 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
17580 * reload1.c (failed_reload, set_reload_reg): Likewise.
17582 * mips-tfile.c (main): Likewise.
17583 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
17584 with ATTRIBUTE_NORETURN.
17586 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
17588 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
17589 DECL is not a memory ref.
17591 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
17593 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
17594 * config/i386/i386.c (ix86_cpu): Add extern attribute.
17596 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
17598 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
17599 * config/mips/elf64.h: ditto.
17601 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
17603 * expr.c (emit_push_insn): New argument alignment_pad.
17604 Update all callers. Adjust stack pointer based on alignment pad.
17605 * function.c (pad_to_arg_alignment): New argument alignment_pad.
17606 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
17607 (locate_and_pad_parm): New argument alignment_pad. Update all
17609 * expr.h (emit_push_insn): Update prototype.
17610 (locate_and_pad_parm): Update prototype.
17611 * calls.c (arg_data): Add new field alignment_pad.
17612 (initialize_argument_information): Initialize alignment_pad.
17614 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
17616 * except.c (free_eh_nesting_info): Free the info itself.
17617 * function.c (free_after_compilation): Don't free NULL.
17618 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
17619 (pre_edge_insert): Free inserted.
17620 * stmt.c (free_stmt_status): Don't free NULL.
17622 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17624 * gcov.c (DIR_SEPARATOR): Provide default.
17625 (output_data): Add test for MS-DOS format absolute filename.
17626 (fancy_abort): Correct program name.
17627 (open_files): Open all files in binary mode.
17628 * libgcc2.c (__bb_exit_func): Likewise.
17630 * profile.c (init_branch_prob): Specify binary when opening files.
17632 * flags.h (flag_unwind_tables): New decl.
17633 * toplev.c (flag_unwind_table): New definition.
17634 (f_options): Add -funwind-tables.
17635 (decode_g_option): Clarify warning when unknown -g option is given.
17636 (rest_of_compilation): If inside an inlined external function,
17637 pretend we are just being declared.
17639 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
17640 (dwarf2out_frame_finish): Likewise.
17642 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
17644 * fold-const.c (merge_ranges): If not in0, but in1, handle
17645 upper bounds equal like subset case.
17647 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
17649 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
17650 passed in a register but moved to the stack.
17652 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
17654 * gcc.c (pass_exit_codes, greatest_status): New variables.
17655 (struct option_map): Add entry for "--pass-exit-codes".
17656 (execute): Update greatest_status if error.
17657 (display_help): Add documentation for -pass-exit-codes.
17658 (process_command): Handle -pass-exit-codes.
17659 (main): Look at pass_exit_codes and greatest_status on call to exit.
17661 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17663 * reload.c (find_reloads): Refine test for no input reload
17664 case to not includes reloads emitted after insn.
17666 * function.c (find_temp_slots_from_address): Handle sum involving
17667 a register that points to a temp slot.
17668 (update_temp_slot_address): Make recursive call if both old and
17669 new are PLUS with a common operand.
17670 * calls.c (expand_call): Mark temp slot for result as having
17673 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
17675 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
17676 component as well as "BINUTILS".
17678 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
17679 * integrate.c (copy_rtx_and_substitute): Likewise.
17680 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
17681 All callers changed.
17682 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
17684 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
17685 gdb extensions, write size of type; also be more consistent
17686 in using references when this is a subtype.
17688 * pa.md (extv, extzv, insv): Use define_expand to reject constant
17689 that is out of range.
17691 * loop.c (unknown_constant_address_altered): New variable.
17692 (prescan_loop): Initialize it.
17693 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
17694 (invariant_p, case MEM): Remove handling for volatile and readonly;
17695 check new variable if readonly.
17696 (check_dbra_loop): Chdeck unknown_constant_address_altered.
17698 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
17699 (addr_affects_sp_p): Removed from note_mem_written and only
17700 define #ifdef AUTO_INC_DEC.
17702 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
17704 * regclass.c (record_reg_classes): Properly handle register move
17707 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
17708 Don't think valid if both operands are invalid.
17709 (struct constant_descriptor): New field RTL.
17710 (mark_const_hash_entry): Mark it.
17711 (record_constant{,_rtx}): Initialize it.
17712 (output_constant_def): Allocate RTL in permanent obstack and
17714 ({record,compare}_constant_1): Modes must match for
17715 CONSTRUCTOR of ARRAY_TYPE.
17717 * c-common.h (initializer_constant_valid_p): Delete decl from here.
17718 * output.h (initializer_constant_valid_p): Move decl to here.
17719 * c-common.c (initializer_constant_valid_p): Delete function from here.
17720 * varasm.c (initializer_constant_valid_p): Move function to here.
17722 * tree.h (STRIP_SIGN_NOPS): New macro.
17723 * fold-const.c (optimize_minmax_comparison): New function.
17724 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
17725 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
17726 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
17727 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
17728 widening conversions.
17729 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
17730 to look at size of mode, not precision of type; also add missing cases.
17731 (optimize_bit_field_compare, decode_field_reference): Don't try to
17732 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
17734 * dwarf2out.c (ctype.h): Include.
17735 (dwarf2out_set_demangle_name_func): New function.
17736 (size_of_line_info): Deleted.
17737 (output_line_info): Compute size of line info table from difference
17739 (base_type_die, add_name_attribute): Call demangle function, if any.
17740 (field_byte_offset): Use bits per word for variable length fields.
17741 (gen_array_type_die): Add array name.
17742 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
17743 (dwarf2out_add_library_unit_info): New function.
17745 * explow.c (set_stack_check_libfunc): New function.
17746 (stack_check_libfunc): New static variable.
17747 (probe_stack_range): Allow front-end to set up a libfunc to call.
17749 * combine.c (simplify_comparison): When making comparison in wider
17750 mode, check for having commuted an AND and a SUBREG.
17751 (contains_muldiv): New function.
17752 (try_combine): Call it when dividing a PARALLEL.
17753 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
17754 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
17756 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
17757 use one of the CLOBBERs instead.
17758 (if_then_else_cond): If comparing against zero, just return thing
17761 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
17762 Don't generate shifts and subtract if have conditional arithmetic.
17764 * rtl.h (delete_barrier): New declaration.
17765 * jump.c (jump_optimize): Set up to handle conditional call.
17766 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
17767 (delete_barrier): New function.
17769 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
17771 * recog.c (nonmemory_operand): Accept ADDRESSOF.
17773 * tree.c (build_type_attribute_variant): Push to obstack of
17774 ttype around type_hash_canon call.
17776 * expr.c (placeholder_list): Move decl to file scope.
17777 (expand_expr): Don't force access to volatile just because its
17779 If ignoring reference operations, just expand the operands.
17780 (expand_expr, case COMPONENT_REF): Propagate
17781 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
17782 Refine test for using bitfield operations vs pointer punning.
17783 (expand_expr, case CONVERT_EXPR): If converting to
17784 BLKmode UNION_TYPE from BLKmode, just return inner object.
17785 Use proper mode in store_field call.
17786 Properly set sizes of object to store and total size in store_field
17787 call for convert to union.
17788 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
17789 memory (like for ADDR_EXPR). Also, don't put constant in register if
17790 we'll want it in memory.
17791 (readonly_fields_p): New function.
17792 (expand_expr, case INDIRECT_REF): Call it if LHS.
17793 (expand_assignment): Handle a RESULT_DECL where
17794 DECL_RTL is a PARALLEL.
17795 (do_jump, case WITH_RECORD_EXPR): New case.
17796 (get_inner_reference): Always go inside a CONVERT_EXPR
17797 and NOP_EXPR if both modes are the same.
17798 (store_field): Use bitfield operations if size of bitsize is not same
17799 as size of RHS's type.
17800 Check for bitpos not a multiple of alignment in BLKmode case.
17801 Do block move in largest possible alignment.
17802 (store_constructor): Set BITSIZE to -1 for variable size and properly
17803 in case of array of BLKmode.
17804 (expand_expr_unaligned): New function.
17805 (do_compare_and_jump): Call it.
17807 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
17808 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
17809 does not include 'o'.
17811 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
17812 both SET_DEST and SET_SRC reference a virtual register.
17813 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
17815 * integrate.c (expand_inline_function): Handle case of setting
17816 virtual stack vars register (from built in setjmp); when parameter
17817 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
17818 (subst_constant): Add new parm, MEMONLY.
17819 (expand_inline_function, integrate_parm_decls): Pass new parm.
17820 (integrate_decl_tree): Likewise.
17821 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
17822 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
17823 (copy_rtx_and_substitute, case SET): Add explicit calls to
17824 copy_rtx_and_substitute for both sides.
17826 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
17828 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
17829 within INDEX_TYPE, instead of before.
17830 (fixup_gotos): Use f->target_rtl, not the next insn,
17831 since latter may be from a later fixup.
17832 (expand_value_return): Correctly convert VAL when promoting function
17833 return; support RETURN_REG being a PARALLEL.
17834 (expand_return): When checking for result in regs and having
17835 cleanup, consider PARALLEL in DECL_RTL as being in regs.
17837 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
17839 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
17840 last_nominal_fname): Mark const.
17841 (struct include_hash: name, nshort, control_macro): Mark
17843 (struct macrodef: symnam): Mark const.
17844 (struct if_stack: fname): Mark const.
17845 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
17846 (IStable): New character-syntax array which encompasses all
17847 the old is_foo arrays.
17848 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
17849 is_space): New macros for interrogating IStable.
17850 (check_macro_name): Kill last argument. All callers changed.
17852 * cppinit.c (initialize_char_syntax): Delete.
17853 (is_idchar, is_idstart, is_hor_space, is_space,
17854 trigraph_table): Delete.
17855 (IStable): New. Initialize with clever macros to avoid
17856 information duplication.
17857 (builtin_array): Table of builtins to get rid of explicit list
17858 in initialize_builtins.
17859 (initialize_builtins): Use builtins_array.
17860 (cpp_start_read): Call init_IStable, and set IStable['$'] if
17861 opts->dollars_in_ident.
17863 * cppexp.c: Change all refs to is_xyz[] arrays to use new
17865 (cpp_parse_expr): Avoid 'format string is not constant'
17866 warning. Use ISGRAPH to identify printable chars.
17867 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
17869 (read_and_prescan): Map trigraphs to chars with open-coded
17870 if-else-if-... sequence, not a lookup table.
17871 * cpphash.c: Change all refs to is_xyz[] arrays to use new
17873 * cpplib.c: Change all refs to is_xyz[] arrays to use new
17874 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
17875 (check_macro_name): Remove ability to report an invalid
17876 assertion name, which is never used.
17877 (do_line): Constify a couple of char *'s.
17878 * cppmain.c (main): Call cpp_cleanup before returning.
17880 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
17882 * ggc.h (struct ggc_statistics): New type.
17883 (ggc_get_size): New function.
17884 (ggc_print_statistics): Likewise.
17885 * ggc-common.c (ggc_stats): New variable.
17886 (ggc_mark_rtx_children): Keep statistics.
17887 (ggc_mark_tree_children): Likewise.
17888 (ggc_print_statistics): New function.
17889 * ggc-page.c (struct globals): Add bytes_mapped field.
17890 (alloc_anon): Update it.
17891 (release_pages): Likewise.
17892 (ggc_get_size): New function.
17893 (ggc_page_print_statistics): New function.
17894 * ggc-simple.c (ggc_get_size): New function.
17896 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
17898 * flow.c (propagate_block): When the last reference to a label
17899 before an ADDR_VEC is deleted because the reference is a dead
17900 store, delete the ADDR_VEC.
17902 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
17904 * resource.c (find_free_register): Don't use the frame pointer
17905 if frame_pointer_needed.
17907 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
17909 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
17910 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
17912 * config/i960/i960.c (i960_va_start): New locals base, num.
17913 Use INDIRECT_REF instead of ARRAY_REF on valist.
17914 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
17916 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
17918 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
17920 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
17922 * tree.def (PLACEHOLDER_EXPR): Update comments.
17924 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17926 * c-common.c (check_format_info): Avoid non-literal format string
17927 warnings when `first_arg_num' is zero.
17929 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17931 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
17933 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
17935 * arm.md (casesi_insn): Add a clobber of the condition code
17938 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
17940 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
17941 used by both cc1 and cc1plus.
17943 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
17945 * config/arm/arm.c: Initialise arm_structure_size_boundary to
17946 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
17947 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
17948 to the value 32 if it has not already been defined.
17949 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
17950 Override definition in arm.h with a value of 8.
17952 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
17954 * c-pragma.c (push_alignment): Don't check the return value
17957 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
17959 * sparc.h (ADJUST_COST): Fix thinko.
17961 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
17963 * cccp.c (rescan): Fixed obp pointer handling around call to
17964 check_expand subroutine.
17966 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
17968 * gcse.c (delete_null_pointer_checks): Only record non-null info
17969 for pseudos when examining stores.
17971 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
17972 splitters for these patterns. Use "#" for output templates.
17973 (addsi3_carryin_shift): New pattern.
17975 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
17977 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
17978 of the function return register into a plain REG until
17979 after function inlining is done.
17981 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17983 * jump.c (jump_optimize_1): If we did cross-jumping, and
17984 the data will matter, rebuild the CFG.
17985 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
17986 not optimizing. Don't run shorten_branches.
17987 * toplev.c (rest_of_compilation): Run shorten_branches after
17990 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
17992 * rtl.h (note_stores): Add additional paramter.
17993 * rtlanal.c (reg_set_p_1): Take additional paramter.
17994 (reg_set_last_1): Likewise.
17995 (reg_set_p): Adjust call to note_stores.
17996 (reg_set_last): Likewise.
17997 (note_stores): Pass data parameter to worker function.
17998 * alias.c (record_set): Take additional parameter.
17999 (init_alias_analysis): Pass it.
18000 * caller-save.c (mark_set_regs): Take additional parameter.
18001 (save_call_clobbered_regs): Pass NULL to note_stores.
18002 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
18004 (record_dead_and_set_regs_1): Likewise.
18005 (reg_dead_at_p_1): Likewise.
18006 (combine_instructions): Adjust calls to note_stores.
18007 (try_combine): Likewise.
18008 (record_dead_insn): Remove.
18009 (record_dead_and_set_regs): Adjust calls to note_stores.
18010 (reg_dead_at_p): Likewise.
18011 * cse.c (invalidate_skipped_set): Take additional parameter.
18012 (cse_check_loop_start): Likewise.
18013 (cse_check_loop_start_value): Remove.
18014 (cse_set_around_loop): Adjust calls to note_stores.
18015 * flow.c (notice_stack_pointer_modification): Take additional
18016 parameter. Remove duplicate declaration.
18017 (record_volatile_insns): Adjust calls to note_stores.
18018 * gcse.c (record_set_info): Take additional parameter.
18019 (record_last_set_info): Likewise.
18020 (invalidate_nonnull_info): Likewise.
18021 (record_set_insn): Remove.
18022 (compute_sets): Adjust calls to note_stores.
18023 (last_set_insn): Remove.
18024 (compute_hash_table): Adjust calls to note_stores.
18025 (insert_insn_end_bb): Likewise.
18026 (delete_null_pointer_checks): Likewise.
18027 * global.c (mark_reg_store): Take additional parameter.
18028 (mark_reg_clobber): Likewise.
18029 (reg_becomes_live): Likewise.
18030 (global_conflicts): Adjust calls to note_stores.
18031 (build_insn_chain): Likewise.
18032 * integrate.c (note_modified_parmregs): Take additional parameter.
18033 (mark_stores): Likewise. Make it static.
18034 (save_for_inline_nocopy): Adjust calls to note_stores.
18035 (try_constants): Likewise.
18036 * integrate.h (mark_stores): Remove declaration.
18037 * jump.c (mark_modified_reg): Take additional parameter.
18038 (thread_jumps): Adjust calls to note_stores.
18039 * local-alloc.c (validate_equiv_mem_from_store): Take additional
18041 (no_equiv): Likewise.
18042 (reg_is_set): Likewise.
18043 (validate_equiv_mem): Adjust calls to note_stores.
18044 (update_equiv_regs): Likewise.
18045 (block_alloc): Likewise.
18046 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
18047 (note_addr_stored): Take additional parameter.
18048 (note_set_pseudo_multiple_uses): Likewise.
18049 (record_initial): Likewise.
18050 (prescan_loop): Adjust calls to note_stores.
18051 (strength_reduce): Likewise.
18052 (check_dbra_loop): Likewise.
18053 * regmove.c (flags_set_1): Take additional paramter.
18054 (mark_flags_life_zones): Adjust calls to note_stores.
18055 * reload1.c (mark_not_eliminable): Take additional parameter.
18056 (forget_old_reloads_1): Likewise.
18057 (reload_cse_invalidate_rtx): Likewise.
18058 (reload_cse_check_clobber): Likewise.
18059 (reload_combine_note_store): Likewise.
18060 (move2add_note_store): Likewise.
18061 (reload): Adjust calls to note_stores.
18062 (reload_as_needed): Likewise.
18063 (emit_reload_insns): Likewise.
18064 (reload_cse_regs_1): Likewise.
18065 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
18066 (reload_combine): Adjust calls to note_stores.
18067 * resource.c (update_live_status): Take additional paramter.
18068 (mark_target_live_regs): Adjust calls to note_stores.
18069 * stupid.c (find_clobbered_regs): Take additional parameter.
18070 (stupid_life_analysis): Adjust calls to note_stores.
18072 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
18074 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
18077 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
18080 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
18081 of the variable arm_structure_size_boundary.
18083 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18085 * alias.c (init_alias_analysis): Allocate reg_known_value and
18086 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
18088 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
18089 * cse.c (cse_main): Call end_alias_analysis.
18090 * haifa-sched.c (schedule_insns): Likewise.
18091 * local-alloc. (update_equiv_regs): Likewise.
18092 * reload1.c (reload_cse_regs): Likewise.
18094 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18096 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
18097 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
18098 mapping from MASK_FPU.
18100 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
18102 * sparc.md (call): Don't bound structure return size to 0xfff.
18104 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
18106 * resource.c (mark_target_live_regs): Check that the target
18107 insn wasn't created after compute_bb_for_insn.
18109 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
18111 * ggc-page.c (poison_pages): Don't be overzealous.
18113 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
18115 * alias.c: Update comments for ADDRESS.
18116 (nonlocal_reference_p): Look inside the ADDRESS to determine if
18117 it is a local memory reference.
18119 * c-typeck.c (build_function_call): Check that the built-in
18120 function is of class BUILT_IN_NORMAL before trying to recongize
18121 it as BUILT_IN_ABS.
18122 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
18123 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
18125 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
18127 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
18129 (pre_gcse): Likewise.
18130 (hoist_expr_reaches_here_p): Likewise.
18131 (hoist_code): Likewise.
18132 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
18134 (pre_expr_reaches_here_p_work): ... here.
18135 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
18137 (expr_reaches_here_p_work): ... here.
18139 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
18141 * resource.c (find_basic_block): Delete.
18142 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
18143 (init_resource_info): Call compute_bb_for_insn.
18145 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
18147 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
18148 with already adjacent blocks, but no fallthru.
18149 (merge_blocks_move_successor_nojumps): Simplify.
18150 (debug_flow_info): New.
18152 * toplev.c (rest_of_compilation): Open jump1 dump file before
18153 jump and close after, as opposed to just using dump_rtl.
18155 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18157 * reload.h (earlyclobber_operand_p): Declare.
18158 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
18159 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18160 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
18161 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
18163 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
18164 Richard Henderson <rth@cygnus.com>
18166 * emit-rtl.c (emit_block_insn_before): New.
18167 (emit_block_insn_after): New.
18168 * basic-block.h: Declare them.
18170 * bitmap.h: Protect from multiple inclusion.
18172 * recog.c (scratch_operand): Handle VOIDmode correctly.
18174 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
18176 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
18177 * function.c (assign_parms): Likewise.
18178 * global.c (global_conflicts): Clarify STACK_REGS commentary.
18180 * reg-stack.c (max_uid): Remove.
18181 (blocks, block_begin, block_end, block_drops_in): Remove.
18182 (block_stack_in, block_out_reg_set, block_number): Remove.
18183 (struct block_info_def, BLOCK_INFO): New.
18184 (enum emit_where): New.
18185 (current_block): New.
18186 (BLOCK_NUM): Remove.
18187 (mark_regs_pat, record_label_references): Remove.
18188 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
18190 (goto_block_pat, print_blocks, dump_stack_info): Remove.
18191 (reg_to_stack): Simplified test for existance of fp code. Use
18192 flow.c code. Call shorten_branches after cross-jump opt.
18193 (check_asm_stack_operands): Renamed from record_asm_reg_life.
18194 Return false if the asm doesn't use stack regs. Don't do life
18195 analysis on the asm.
18196 (emit_pop_insn): Replace function pointer arg `when' with
18197 enum `where'. Update all callers.
18198 (change_stack): Likewise. Update basic block end.
18199 (emit_swap_insn): Use current_block->head to limit reverse search
18200 for start of block. Use emit_block_insn_after.
18201 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
18202 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
18203 structure assignment instead of bcopy.
18204 (print_stack): New.
18205 (convert_regs_entry, convert_regs_exit): New.
18206 (convert_regs_1, convert_regs_2): Split out from convert_regs.
18207 Work on basic blocks and the CFG.
18208 (convert_regs): Use them.
18210 * i386.c (output_fix_trunc): Remove code for DImode input operand
18211 not at top-of-stack.
18212 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
18214 (fix_truncdi_1): Allow any mode scratch.
18216 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
18218 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
18219 * linux.h, netbsd.h, vms.h: Not here.
18221 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
18223 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
18224 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
18225 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
18226 CONDITIONAL_REGISTER_USEAGE): Use them.
18227 * config/mips/mips.c (mips_move_1word,mips_move_2words,
18228 gen_conditional_branch,override_options) : Use them.
18229 * config/mips/mips.md : Use them.
18231 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
18233 * i386.md (zero_extendqihi2): Use SImode register name with andl.
18235 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
18237 * integrate.c (function_cannot_inline_p): Don't allow inlining
18240 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18242 * c-parse.in (cast_expr): Constify.
18244 * cccp.c (special_symbol): Likewise.
18246 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
18248 * dwarf2out.c (base_type_die): Likewise.
18250 * global.c (allocno_compare): Likewise.
18252 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
18254 * regclass.c (fix_register): Likewise.
18256 * rtl.h (fix_register): Likewise.
18258 * stupid.c (stupid_reg_compare): Likewise.
18260 * toplev.c (decode_f_option): Likewise.
18262 * tree.c (build_complex_type): Likewise.
18264 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
18266 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
18268 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18270 * reload.c (find_reloads): Compute mode and nregs fields of all
18272 * reload1.c (calculate_needs_all_insns): Simplify a bit.
18273 (calculate_needs): Use precomputed mode/nregs values.
18274 (allocate_reload_reg): Likewise.
18276 (failed_reload, set_reload_reg): ... new functions.
18277 (choose_reload_regs_init): New function, mostly broken out from...
18278 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
18279 Also lose one #if 0 block.
18281 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
18283 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
18286 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
18288 * tree.h (BLOCK_TYPE_TAGS): Remove.
18289 (BLOCK_END_NOTE): Likewise.
18290 (BLOCK_LIVE_RANGE_FLAG): Likewise.
18291 (BLOCK_LIVE_RANGE_START): Likewise.
18292 (BLOCK_LIVE_RANGE_END): Likewise.
18293 (tree_block): Remove live_range_flag, live_range_var_flag, and
18294 type_tags. Remove end_note, live_range_start, and live_range_end.
18295 (remember_end_note): Remove prototype.
18296 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
18297 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
18299 * ggc-common.c (ggc_mark_tree_children): Don't mark
18300 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
18301 * integrate.c (adjust_copied_decl_tree): Remove.
18302 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
18303 * stmt.c (last_block_end_note): Remove.
18304 (init_stmt): Don't add a GC root for it.
18305 (expand_fixup): Don't set it.
18306 (remember_end_note): Remove.
18307 (expand_end_bindings): Don't set last_block_end_note.
18309 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18311 * reload1.c (reload_reg_free_for_value_p): Show
18312 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
18315 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
18317 * expmed.c (extract_bit_field): Allow for the case of non-integer
18318 objects that are smaller than a word (like SFmode on a 64-bit
18321 * loop.c (basic_induction_var): A non-integer variable which is
18322 being set by a paradoxical subreg is probably not a biv.
18324 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18326 * prefix.c (translate_name) Check for empty prefix string.
18328 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
18330 * Makefile.in (CPP_CROSS_NAME): New variable.
18331 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
18333 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
18334 names of the files to be uninstalled.
18336 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
18338 * collect2.c (IS_DIR_SEPARATOR): Define.
18339 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
18341 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
18344 * haifa-sched.c (add_dependence): Update the true dependency
18345 cache the first time we add a true dependence to the LOG_LINKS chain.
18347 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
18349 * fold-const.c (fold): Fix comment.
18351 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18353 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
18354 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
18355 dbxout_start_new_source_file, dbxout_source_file,
18356 dbxout_source_line, dbxout_finish, dbxout_type_fields,
18357 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
18359 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
18360 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
18361 (dbxout_block): Initialize variable `blocknum'.
18363 * dbxout.h (dbxout_init, dbxout_finish,
18364 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
18365 dbxout_args, dbxout_source_line): Constify a char*.
18367 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
18368 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
18369 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
18370 low_pc_attribute, high_pc_attribute, body_begin_attribute,
18371 body_end_attribute, comp_dir_attribute, sf_names_attribute,
18372 src_info_attribute, mac_info_attribute, producer_attribute,
18373 lookup_filename, generate_macinfo_entry, fundamental_type_code,
18374 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
18375 dwarfout_undef): Constify a char*.
18376 (add_incomplete_type, retry_incomplete_types): Add prototypes.
18378 * dwarfout.h (dwarfout_define, dwarfout_undef,
18379 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
18381 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
18383 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
18384 (MULTILIB_ISA_DEFAULT): New.
18385 (MULTILIB_DEFAULTS): Use it.
18386 * config/mips/mips.c (): Remove the now unnecessary definition
18387 of MIPS_ISA_DEFAULT.
18388 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
18389 unnecessary definition.
18391 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
18393 * arm.md (pic_load_addr): Add constraints to operand 1.
18395 1999-10-25 Bruce Korb <autogen@linuxbox.com>
18397 * fixinc/genfixes: Provide a means for specifying -D options to
18400 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
18402 * arm.c (arm_override_options): Correct initialization of
18403 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
18404 arm_is_strong, and arm_is_6_or_7.
18406 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
18407 (note_set_pseudo_multiple_uses): New function.
18408 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
18409 if a pseudo set in the loop exit is used elsewhere.
18411 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
18413 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
18415 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
18417 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
18418 a single load-address pattern.
18420 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
18422 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
18423 depending on whether or not line-number notes are present.
18425 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18427 * cccp.c (progname, file_buf, default_include, include_file,
18428 macrodef, definition, hashval, wchar_type, user_label_prefix,
18429 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
18430 expand_to_temp_buffer, is_system_include, base_name,
18431 absolute_filename, read_name_map, open_include_file,
18432 record_control_macro, check_precompiled, check_preconditions,
18433 pcfinclude, pass_thru_directive, create_definition,
18434 check_macro_name, comp_def_part, collect_expansion,
18435 check_assertion, read_token_list, assertion_install,
18436 assertion_lookup, eval_if_expression, conditional_skip,
18437 validate_else, skip_quoted_string, quote_string, macarg1,
18438 error_from_errno, install, lookup, hashf, dump_defn_1,
18439 perror_with_name, pfatal_with_name, main, trigraph_pcp,
18440 check_white_space, rescan, handle_directive, monthnames,
18441 special_symbol, do_include, remap_include_file, write_output,
18442 arglist, do_assert, do_unassert, do_line, do_error, do_once,
18443 do_ident, do_sccs, do_xifdef, skip_if_group,
18444 output_line_directive, macroexpand, macarg, change_newlines,
18445 initialize_builtins, make_definition): Constify a char*.
18447 * pcp.h (stringdef): Likewise.
18449 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
18451 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
18454 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
18455 Richard Henderson <rth@cygnus.com>
18457 * alias.c: Include ggc.h.
18458 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
18459 (record_set): Verify enough room in reg_base_value.
18460 (init_alias_analysis): Allocate reg_base_value with xcalloc.
18461 Register it as a GC root.
18462 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
18463 * Makefile.in (alias.o): Depend on ggc.h.
18465 * unroll.c (unroll_loop): Verify the insn before a barrier
18466 is a JUMP_INSN before checking JUMP_LABEL.
18468 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18470 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
18471 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
18472 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
18473 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
18474 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
18475 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
18477 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18479 * output.h (ctors_section, dtors_section, bss_section): Prototype.
18481 * alpha/alpha-interix.h (text_section): Delete prototype.
18482 * alpha/elf.h (text_section): Likewise.
18483 * arm/linux-elf.h (text_section): Likewise.
18484 * arm/linux-telf.h (text_section): Likewise.
18485 * c4x/c4x.h (text_section): Likewise.
18486 * dsp16xx/dsp16xx.h (bss_section): Likewise.
18487 * elfos.h (text_section): Likewise.
18488 * i386/aix386ng.h (text_section): Likewise.
18489 * i386/i386-interix.h (text_section): Likewise.
18490 * i386/sco5.h (text_section): Likewise.
18491 * i386/svr3gas.h (text_section): Likewise.
18492 * nextstep.h (text_section): Likewise.
18493 * psos.h (text_section): Likewise.
18494 * ptx4.h (text_section): Likewise.
18495 * svr3.h (text_section): Likewise.
18496 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
18498 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18500 * final.c (peephole): Delete prototype.
18502 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
18503 (pre_insert_copies): Remove unused variable `bb'.
18505 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
18508 * output.h (peephole): Add prototype.
18510 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
18512 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
18515 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
18517 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
18518 for inlined declarations.
18520 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
18522 * arm.c (logical_binary_operator): New fucntion.
18523 * arm.h (logical_binary_operator): Declare it.
18524 (PREDICATE_CODES): Handle logical_binary_operator.
18525 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
18526 output constraints. Add appropriate splitters.
18527 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
18528 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
18529 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
18531 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18533 * genoutput.c (struct operand_data): New elt eliminable.
18534 (output_operand_data): Write it.
18535 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
18536 (compare_operands): Take it into account.
18537 * recog.h (struct insn_operand_data): New elt eliminable.
18538 * reload1.c (check_eliminable_occurrences, elimination_effects): New
18540 (old_asm_operands_vec, new_asm_operands_vec): Delete.
18541 (eliminate_regs): Move code that detects changes to elimination
18542 target regs into new function elimination_effects.
18543 Delete one #if 0 block.
18544 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
18545 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
18546 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
18547 Only call eliminate_regs for real operands of the insn, not for parts
18548 of its structure or parts matched by things like match_operator.
18549 Use elimination_effects and check_eliminable_occurrences. Use
18550 copy_insn to duplicate the pattern when not in the final pass.
18552 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
18554 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
18557 1999-10-22 Bruce Korb <autogen@linuxbox.com>
18559 * fixinc/README: document the "mach" machine matching test
18560 * fixinc/fixfixes.c: Implement the #else/#endif label fix
18561 * fixinc/fixtests.c: Implement the #else/#endif label test
18562 * fixinc/inclhack.def: utilize these tests and fixes
18563 * fixinc/inclhack.sh: regen
18564 * fixinc/fixincl.x: regen
18565 * fixinc/fixincl.sh: regen
18567 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
18569 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
18572 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
18574 * gcc.1: Document exit codes.
18576 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18578 * calls.c: Include tm_p.h later, so everything we need is defined.
18579 * expr.c: Likewise.
18580 * function.c: Likewise.
18582 * except.c: Include tm_p.h.
18584 * sparc.c: Likewise.
18585 (dwarf2out_cfi_label): Don't prototype.
18586 (check_return_regs, epilogue_renumber,
18587 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
18588 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
18589 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
18590 ultra_schedule_insn): Add static prototype.
18591 (data_segment_operand, text_segment_operand): Call itself with the
18592 proper number of arguments.
18593 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
18595 * sparc.h: Move all declarations to sparc-protos.h.
18596 (SELECT_RTX_SECTION): Pass a missing MODE argument to
18599 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
18601 * config/svr4.h (text_section, ctors_section, dtors_section): Add
18603 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
18604 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
18605 ASM_OUTPUT_ASCII): Constify a char*.
18607 * sparc-protos.h: New file for sparc prototypes.
18609 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18611 * function.c (record_insns, contains): Always declare and define.
18612 (record_insns): Mark with ATTRIBUTE_UNUSED.
18614 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18616 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
18617 to .section when outputting a .bss section to deal with multiple
18618 .bss input sections (as happens with -fdata-sections)
18619 Also output %progbits, not @progbits so the assembler doesn't treat as
18621 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
18623 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
18624 thumb parts even when building with non-thumb CPUs, by forcing
18627 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
18629 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
18630 (movdf_const_intreg_sp64): Similarly.
18632 * local-alloc.c (update_equiv_regs): Check the correct insn
18633 for pre-existing REG_EQUIV notes.
18635 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
18637 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
18638 block reached by a branch if we're not going to actually process
18641 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
18643 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
18644 a local extern function declaration.
18646 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
18648 * i386.c (ix86_expand_prologue): Properly wrap USE around
18649 reg for CALL_INSN_FUNCTION_USAGE.
18651 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
18653 * config/mips/mips.md (movdf_internal1a): Allow floating-point
18654 move between GP_REGs.
18656 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
18658 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
18659 the mode size when finding out if an offset is legal.
18661 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
18663 * basic-block.h (PROP_*): Move constants from ...
18664 * flow.c: ... here.
18665 (compute_bb_for_insn): Free the array before reallocating.
18666 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
18667 (allocate_reg_life_data): Reset all reg variables collected by
18669 (get_block_head_tail): Don't convert from bb to block.
18670 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
18671 (find_insn_reg_weight): Take block not bb.
18672 (schedule_block): Don't set block num for moved insns.
18673 (schedule_region): Don't update_life_info or find_insn_reg_weight.
18674 (schedule_insns): Do it here instead.
18675 * combine.c (combine_instructions): Invoke compute_bb_for_insn
18676 before update_life_info.
18677 * recog.c (split_all_insns, peephole2_optimize): Update for
18678 new arg to update_life_info.
18679 * rtlanal.c (remove_note): Cope with NULL note.
18680 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
18683 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
18685 * jump.c (jump_optimize_1): More accurately detect casesi insns.
18687 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
18688 block records so that merge_blocks_nomove will clean up correctly.
18689 (split_edge): Handle casesi insns.
18691 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
18693 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
18695 * pa.md (call, call_value): Do not emit a blockage after restoring
18698 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
18700 * c-typeck.c (c_expand_asm_operands): Fix typo.
18702 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18704 * arm.c (fpu_rhs_operand): Verify modes.
18705 (fpu_add_operand): Likewise.
18706 (di_operand): Likewise.
18707 (soft_df_operand): Likewise.
18709 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
18711 * arm.c (arm_return_in_memory): APCS rules state that the elements
18712 of a structure returned in a register must be 'integer-like'.
18714 1999-10-19 Bruce Korb <autogen@linuxbox.com>
18716 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
18717 in the source tree when the generated targets are out of date
18718 * fixinc/genfixes: Alter it to run individual fixes for make.
18719 * fixinc/README: rewrite
18720 * fixinc/inclhack.def: moved initial comments to README
18722 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
18724 * toplev.c (main): Do not generate an error message if an
18725 unrecognised command line switch is recognisable by another
18726 language. If extra_warnings are enabled, then generate a
18727 warning message instead.
18729 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
18731 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
18732 (insert_pack_attributes): Delete prototype.
18734 * c-pragma.c (default_alignment): New static variable.
18735 (push_alignment): Initialize to current effective alignment.
18736 (pop_alignment): Use to set new alignment.
18737 (insert_pack_attributes): Delete function.
18738 (handle_pragma_token): Set default_alignment as well each time
18739 a #pragma pack(<n>) is encountered.
18741 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
18743 * reg-stack.c (stack_result): Aggregates are not returned in
18746 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18748 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
18750 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
18752 * basic-block.h (set_block_num): Declare.
18753 * flow.c (update_life_info): Don't call compute_bb_for_insn
18754 or free_basic_block_vars.
18755 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
18756 (insn_orig_block): Remove.
18757 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
18758 (schedule_block): Keep BLOCK_NUM up-to-date.
18759 (schedule_insns): Use compute_bb_for_insn.
18760 * recog.c (split_all_insns): Likewise.
18761 (peephole2_optimize): Likewise.
18763 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
18765 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
18766 if the pic register is used.
18768 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18770 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
18771 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
18772 if that tests TREE_PERMANENT.
18774 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
18776 * cse.c (invalidate_for_call): Do not remove memory references from
18777 the table here. It's handled elsewhere.
18779 * haifa-sched.c (add_dependence): Protect references to the
18780 true dependency cache with #ifdef INSN_SCHEDULING.
18781 (remove_dependence): Similarly.
18783 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
18784 to the cfg code that this is a return instruction.
18785 * mn10300.md (return_internal): Similarly.
18787 * combine.c (get_last_value): If the last set of a register
18788 is after subst_low_cuid, then we can not use it to determine
18789 the register's last value.
18791 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18793 * Makefile.in: Back out previous change.
18795 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
18797 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
18799 * haifa-sched.c (add_dependence): Only check/update the cache
18801 (remove_dependence): Likewise.
18802 (schedule_insns): Only create the true_dependency_cache if the
18803 average number of instructions in a basic block is very large.
18805 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18807 * Makefile.in (ggc-common.o): Depend on genrtl.h.
18808 (ggc-simple.o): Likewise.
18809 (ggc-page.o): Likewise.
18811 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
18813 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
18814 Prototype for exported functions.
18815 (pre_lcm, pre_rev_lcm): Remove prototypes.
18816 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
18817 (compute_available): Move to lcm.c, and change parameter order.
18818 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
18819 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
18820 (gcse_main): No longer call compute_preds_succs. Rebuild the
18821 set table after reach pre pass.
18822 (pre_insert_map, pre_delete_map, edge_list): New.
18823 (alloc_pre_mem): Allocate edge vectors.
18824 (free_pre_mem): Delete edge vectors.
18825 (compute_pre_data): Call new edge based lcm routines.
18826 (process_insert_insn): New function.
18827 (insert_insn_end_bb): Use it.
18828 (pre_edge_insert): New function.
18829 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
18831 (pre_insert_copies): Revamp using new edge based lcm outputs.
18832 (pre_delete): Likewise.
18833 (one_pre_gcse_pass): Insert & remove fake edges to the exit
18835 (compute_code_hoist_vbeinout): New new edge based routines.
18836 * lcm.c: Remove all the old LCM functions. Replace with new ones
18837 that work with the new cfg datastructures and work with edges
18840 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18842 * reload.h (struct reload): Add new fields "mode" and "nregs".
18843 * reload1.c: Change all occurrences of reload_mode and reload_nregs
18844 to reference the "mode" and "nregs" field within struct reload.
18846 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
18848 * haifa-sched.c (true_dependency_cache): New.
18849 (add_dependence): Use the true dependency cache to avoid expensive
18850 walks down the LOG_LINKS dependency list. Add entries to the
18851 cache as necessary.
18852 (remove_dependence): Remove entries from the true dependency cache
18854 (schedule_insns): Allocate and initialize and free the true
18857 * haifa-sched.c (schedule_insns): Do not remove inter-block
18858 dependencies anymore.
18860 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
18862 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
18863 * i386/t-winnt: Likewise.
18865 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
18867 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
18869 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
18871 * Makefile.in (LANGUAGES): Omit "proto".
18872 (clean): Remove stale comment about removing unprotoize.c.
18874 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18876 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
18877 using arithmetic on void pointers.
18879 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
18881 * haifa-sched.c (compute_block_forward_dependencies): Only check
18882 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
18884 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
18886 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
18887 (expr_equiv_p): Reject memories with different alias sets.
18889 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
18891 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
18892 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
18893 (f_options): Add "bounded-pointers" and "bounds-check" entries.
18894 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
18895 (lang_init): Set default for flag_bounds_check if still "unspecified".
18897 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18899 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
18901 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18903 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
18906 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18908 * config/c4x/c4x.md (*db_noclobber,
18909 *decrement_and_branch_until_zero_noclobber): New patterns and
18910 associated splitters.
18912 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18914 * config/c4x/c4x.md (parallel instruction patterns): Rework
18915 constraints to keep reload happy.
18917 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18919 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
18920 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
18921 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
18922 Add new patterns and associated post-reload splitters.
18924 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18926 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
18928 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18930 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
18932 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
18934 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18936 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
18939 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
18941 * pa.c (move_operand): Rely on memory_address_p to determine the
18942 validity of non-indexed memory addresses.
18943 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
18944 operand in DFmode and SFmode when generating PA2.0 code.
18946 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
18948 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
18950 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
18952 * mips.c (function_prologue): Fix argument types.
18953 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
18954 (casesi_internal): Write to the scratch register.
18956 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
18958 * cppexp.c (cpp_parse_escape): Make static. Change second arg
18960 (parse_charconst): Delete unnecessary cast when calling
18962 (cpplib.h): Kill prototype of cpp_parse_escape.
18964 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
18966 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
18967 * unroll.c (unroll_loop): Cast return value of alloca.
18968 * i370/i370.c: Include function.h and toplev.h.
18969 (i370_label_scan): Remove c++ commented abort.
18970 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
18971 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
18972 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
18973 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
18975 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
18977 * config/t-freebsd: Do not override USER_H.
18978 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
18980 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
18981 Mumit Khan <khan@xraylith.wisc.edu>
18983 * c-parse.in (component_decl): Support anonymous struct/union.
18985 * c-parse.y: Regenerate.
18986 * c-parse.c: Likewise.
18987 * objc/objc-parse.y: Likewise.
18988 * objc/objc-parse.c: Likewise.
18989 * c-decl.c (finish_struct): Don't sort the fields.
18990 (field_decl_cmp): Delete unused function.
18992 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
18994 * sparc.md (movsf_const_intreg): Revert last constraint change.
18995 (movdf_const_intreg_sp32): Likewise.
18997 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
18999 * cse.c: Include hashtab.h instead of splay-tree.h
19000 (struct cse_reg_info): No longer use variant union. Add new
19001 field "regno". All references changed to avoid union.
19002 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
19003 (free_cse_reg_info): Remove.
19004 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
19005 (get_cse_reg_info): Revamp to use expandable hash tables instead
19006 of splay trees. Initialize new fields in cse_reg_info structure.
19007 (new_basic_block): Similarly.
19009 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
19011 * genrecog.c (message_with_line): Prototype.
19012 (validate_pattern): Pass along the set for the dest, not a flag.
19013 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
19014 Check for PC/CC0 as sources.
19015 (nodes_identical): Check for children position match before
19016 allowing the combination.
19018 * rtl.c (read_rtx): Track line number across \\\n.
19020 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
19022 * mips.h (SPECIAL_MODE_PREDICATES): New.
19023 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
19024 (movdi+1, movsi+1): Add output reload constraint.
19025 (casesi_internal): Likewise. Fix commentary.
19026 (return_internal): Use pmode_register_operand.
19028 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
19030 * 1750a.md (movstrqi): Add missing output reload constraint.
19031 (call_value): Likewise.
19032 * a29k.md (cpxxx patterns): Add missing match_operator mode.
19033 (jmpfdec): Add missing inout reload constraint.
19034 * elxsi.md (addsi patterns): Add missing output reload constraint.
19035 (move from sp): Use @ alternates.
19036 (call_value): No constraint on output.
19037 * fr30.md (movsi_pop): Add missing output reload constraint.
19038 (movsf_constant_store): Likewise.
19039 (splits): Remove constraints.
19040 (subsi3): Add missing mode.
19041 * i370.md (cmpstrsi+1): Add missing output reload constraint.
19042 (call_value): Likewise.
19043 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
19044 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
19045 * m32r.md (movsicc_internal): Add output reload constraint.
19046 (movstrsi_internal): Add inout reload constraints.
19047 * m88k.h (reg_names): Don't declare.
19048 (SPECIAL_MODE_PREDICATES): New.
19049 * m88k.md (*): Use register_operand not reg_or_0_operand
19051 * mn10200.h (PREDICATE_CODES): New.
19052 * ns32k.md (ffs pattern): Add output reload constraint.
19053 * pdp11.md (sob pattern): Add inout reload constraint.
19054 * sh.md (splits): Remove constraints.
19055 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
19056 * v850.md (pattern_is_ok_for_epilogue): Likewise.
19057 * vax.md (jgequ pattern): Add inout reload constraint.
19059 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
19061 * configure.in (djgpp): Revert previous patch.
19062 * configure: Rebuit.
19063 * config/i386/djgpp.h: Revert previous patch.
19065 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
19067 * fixinc/inclhack.def: Restore patch lost during last merge of
19068 "no_bogosity" branch.
19069 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
19071 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19073 * fixincludes: Add a HPUX 11 fix for inttypes.h.
19074 * fixinc/inclhack.def: Same.
19075 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
19077 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
19079 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
19080 as the base of a PLUS.
19082 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19084 * config/c4x/c4x.md: Define mode for remaining unspec operators.
19085 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
19087 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
19089 * pa.md (post_stw+1): Use pmode_register_operand.
19090 (dcacheflush, icacheflush): Likewise.
19092 * i386.md (movstricthi_1): Allow r/r.
19094 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
19096 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
19097 to (not (and (arg0) (arg1))). Similary for and.
19099 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
19100 fallthrough to associate code.
19101 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
19104 * combine.c (simplify_logical): Convert XOR to IOR if operands have
19105 no bits in common; remove XOR to ROTATE conversion.
19107 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19109 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
19111 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19113 * config/c4x/c4x.c (dst_operand): New.
19114 (PREDICATE_CODES): Update.
19115 * config/c4x/c4x.h (dst_operand): Declare it.
19116 * config/c4x/c4x.md: Define mode for each unspec usage.
19117 (move patterns): Use dst_operand predicate instead of src_operand.
19118 (movqi_update, movqf_update): Delete.
19120 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
19122 * recog.c (pmode_register_operand): New.
19123 * recog.h: Declare it.
19124 * genrecog.c (pred_codes): Likewise.
19125 (special_mode_pred_table): Likewise.
19126 (validate_pattern): Don't warn no mode for address_operand.
19128 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
19129 if the operand is not insn-like.
19131 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
19132 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
19134 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
19136 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
19138 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
19139 instead of general_operand in a SET_DEST. Use const_double_operand
19140 instead of an explicit test against CONST_DOUBLE.
19141 (movsf_const_lo): Add missing register mode.
19142 (goto_handler_and_restore): Add auxiliary test for Pmode.
19143 (flush): Adjust to use address_operand.
19144 (return_sf_no_fpu): Add missing output constraint.
19146 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
19148 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
19149 for call return value.
19150 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
19152 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
19154 * toplev.c (main): Only warn about options for other languages.
19155 * collect2.c (main): Pass -w to sub-gcc.
19157 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
19159 * flow.c (propagate_block): Add call-clobbered registers to
19162 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
19163 zapping mem_set_list.
19164 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
19165 (mark_set_1, mark_used_regs): Likewise.
19167 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
19169 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
19171 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19173 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
19174 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
19175 options. Also add a new item "C-only Warning Options" to the
19178 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
19180 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
19181 from multiple calls.
19183 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
19185 * i386.md (call value patterns): Move to the end of the file.
19186 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
19188 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
19190 * configure.in (djgpp configuration): Define extra_objects..
19191 * configure: Rebuilt.
19192 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
19193 (DTORS_SECTION_ASM_OP): Define.
19194 (INIT_SECTION_ASM_OP): Define.
19195 (FINI_SECTION_ASM_OP): Define.
19196 (DATA_SECTION_ASM_OP): Define.
19197 (TEXT_SECTION_ASM_OP): Define.
19198 (EH_FRAME_SECTION_ASM_OP): Define.
19199 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
19200 (STARTFILE_SPEC): Add crtbegin.o.
19201 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
19202 to here from LINK_COMMAND_SPEC.
19203 (DO_GLOBAL_CTORS_BODY): Define.
19204 (CRTSTUFF_USE_FINI_SECTION): Define
19205 (HAS_INIT_SECTION): Delete.
19207 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
19209 * Makefile.in (all.cross): Depend on xcpp$(exeext).
19211 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
19213 * pa.h (PREDICATE_CODES): New.
19215 * genrecog.c (validate_pattern): Condense the destination
19216 non-lvalue message.
19218 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
19220 * alpha.md (call-1): Supply missing mode for operator.
19221 (*): Add missing output reload constraints. Remove constraints
19222 from define_splits.
19224 * i386.h (SPECIAL_MODE_PREDICATES): New.
19225 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
19226 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
19227 (addsi_lea_3): Add missing mode for op 3.
19228 (prologue_set_got, prologue_get_pc): Add missing modes.
19229 (*) Add missing output reload constraints.
19231 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
19233 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
19234 check for member bit-size overflow and use var_size if it occurs.
19235 (layout_record): Use bitsize_int() to define the type size in bits.
19236 Likewise for computation and assignment to DECL_FIELD_BITPOS.
19237 (layout_decl): Likewise when assigning to DECL_SIZE.
19239 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
19241 * genrecog.c (validate_pattern): Typo last change. Verify
19242 that output operands have output reloads.
19244 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
19246 * genrecog.c (special_mode_pred_table): New.
19247 (NUM_SPECIAL_MODE_PREDS): New.
19248 (find_operand): New.
19249 (validate_pattern): New argument `insn'. Warn for assignment to
19250 any predicate accepting non-lvalues. Conditionaly warn for
19251 match_operand without a mode. Try much harder to match source
19252 and destination modes on a set.
19253 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
19255 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
19257 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
19259 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
19261 * combine.c (simplify_logical): Recognize xor pattern that encodes
19264 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19266 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
19269 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
19271 * ggc-page.c (MAP_FAILED): Provide default.
19273 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
19275 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
19276 * sparc.h (PREDICATE_CODES): Update.
19278 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
19280 * alpha.c (some_ni_operand): New.
19281 * alpha-protos.h: Declare it.
19282 * alpha.h (PREDICATE_CODES): Update.
19283 * alpha.md (sXaddq reload insns): Use some_ni_operand
19284 for SET_DEST instead of some_operand.
19286 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
19287 Jim Wilson <wilson@cygnus.com>
19289 * genrecog.c (maybe_both_true_2): Don't compare modes of
19291 (process_tree): Elide peephole2_insns. Invoke simplify_tests
19292 after find_afterward.
19293 (debug_decision_1): Dump next and afterward codes.
19295 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
19297 * rtl.c (dump_and_abort): Remove.
19298 (fatal_with_file_and_line): New.
19299 (fatal_expected_char): New.
19300 (read_rtx_lineno, read_rtx_filename): New.
19301 (read_skip_spaces): Track line number.
19302 (read_name): Use fatal_with_file_and_line.
19303 (read_rtx): Use fatal_expected_char. Track line number.
19304 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
19306 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
19307 if it isn't a CODE_LABEL.
19309 * genattr.c (main): Set read_rtx_filename.
19310 * genattrtab.c (main): Likewise.
19311 * gencodes.c (main): Likewise.
19312 * genconfig.c (main): Likewise.
19313 * genemit.c (main): Likewise.
19314 * genextract.c (main): Likewise.
19315 * genflags.c (main): Likewise.
19316 * genopinit.c (main): Likewise.
19317 * genoutput.c (main): Likewise.
19318 * genpeep.c (main): Likewise.
19320 * genrecog.c (decision_test.u.insn): Add `lineno'.
19321 (pattern_lineno, error_count): New variables.
19322 (message_with_line): New.
19323 (add_to_sequence): Break out checking code to ...
19324 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
19325 (merge_insn): Use message_with_line.
19326 (make_insn_sequence): Use validate_pattern. Record insn lineno.
19327 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
19329 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19331 * expr.c (store_constructor): Clear union if constructor is empty.
19333 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
19335 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
19336 Add !endian checks. Change %{...} to %(...).
19338 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
19340 * i386.md (*addsi3_cc): Renamed from addcsi3.
19341 (*addsi3_carry): Renamed from addxsi3.
19342 (*subsi3_cc): Renamed from subcsi3.
19343 (*subsi3_carry): Renamed from subxsi3.
19344 (*xorqi_cc_1): Renamed from xorcqi_1.
19345 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
19346 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
19348 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
19350 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
19351 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
19353 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
19355 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
19356 climb up the chain of insns.
19358 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
19360 * genrecog.c (write_subroutine): Careful for null trees.
19361 (process_tree): Don't elide empty functions.
19363 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
19365 * Makefile.in (genrtl.o): Depend on ggc.h.
19366 * configure.in (valloc): Probe for it.
19367 (with-gc): Use ggc-page if valloc present.
19368 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
19369 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
19370 (ggc_alloc_string): Moved from ggc-page.c.
19371 * ggc-none.c (ggc_alloc_obj): New.
19372 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
19373 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
19374 (struct globals): Likewise for dev_zero_fd.
19375 (init_ggc): Likewise for it's initialization.
19376 (ggc_allocated_p): Move careful dereference from ...
19377 (ggc_lookup_page_table): ... here. Delete.
19378 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
19379 (alloc_anon): Use valloc if no mmap.
19380 (release_pages): Use free if using valloc.
19381 (ggc_alloc_obj): Renamed from alloc_obj.
19382 (ggc_set_mark): Renamed from mark_obj.
19383 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
19384 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
19385 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
19386 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
19387 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
19388 (ggc_collect): Use fp printing instead of our own rounding.
19389 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
19390 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
19391 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
19392 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
19393 (struct ggc_string, struct ggc_any): Delete.
19394 (offsetof): Provide default definition.
19395 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
19397 (struct ggc_mem): New, from corpse of ggc_any.
19398 (struct ggc_status): Delete.
19399 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
19400 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
19401 (n_strings_collected, n_anys_collected): Delete.
19402 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
19403 (ggc_alloc_string, ggc_alloc): Delete.
19404 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
19405 (ggc_free_string, ggc_free_any): Delete.
19406 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
19407 (ggc_compare_addresses, ggc_mark_string): Delete.
19408 (ggc_mark_string_if_gcable, ggc_mark): Delete.
19409 (search_data): Delete.
19410 (struct globals): New.
19411 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
19412 (tree_insert, tree_lookup): New.
19413 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
19414 (clear_marks, sweep_objs): New.
19415 (ggc_collect): Gut. Use clear_marks, sweep_objs.
19416 (init_ggc): Set allocated_last_gc.
19417 (ggc_push_context): Gut. Use G.context.
19418 (ggc_pop_context): Likewise.
19419 (ggc_pop_context_1): New.
19420 (debug_ggc_tree): New.
19421 (debug_ggc_balance, tally_leaves): New.
19422 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
19423 (ggc_mark_string_if_gcable): Remove decl.
19424 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
19425 (ggc_mark_rtvec_children): New.
19426 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
19427 (ggc_mark_if_gcable): New decl.
19428 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
19429 (ggc_alloc_tree, ggc_alloc): Likewise.
19430 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
19431 (ggc_alloc_obj): New decl.
19432 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
19433 (ggc_alloc_tree, ggc_alloc): Likewise.
19434 (ggc_set_mark): New decl.
19435 * rtl.h (struct rtx_def): Remove gc_mark.
19436 (struct rtvec_def): Likewise.
19437 * tree.h (struct tree_common): Likewise.
19439 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
19441 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
19442 float_format and thread_file definitions.
19443 * configure: Rebuilt.
19445 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
19447 * extend.texi (Function Names): Document types of function names.
19449 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19451 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
19452 an earlyclobbered output conflict with RELOAD_INPUT reloads.
19454 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19456 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
19458 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19460 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
19462 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
19464 * collect2.c (main): Do prelimnary link on AIX if rflag.
19466 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19468 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
19469 __CTOR_LIST__ in opposite order, which is the correct order for sorted
19471 (__do_global_dtors): similarly for __DTOR_LIST__.
19473 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19474 Diego Novillo <dnovillo@cygnus.com>
19476 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
19479 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
19481 * fixincl/*: Merged "no_bogosity" branch
19482 * fixincl/fixlib.h: protect against doubly defining t_bool
19483 * fixincl/server.h: protect against doubly defining t_bool
19485 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
19487 * genoutput.c: Include toplev.h.
19489 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
19491 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
19493 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
19494 * configure: Regenerate.
19496 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19498 * gcse.c (delete_null_pointer_checks): Returns void.
19500 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19502 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
19503 * emit-rtl.c (copy_insn_1): Likewise.
19505 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19507 * config/mips/mips.c (mips_build_va_list): Correct
19508 TREE_CHAIN setting when hard-float.
19509 (mips_va_start): Use corrected setting.
19510 (mips_va_arg): Likewise. Also pass a tree to build of
19511 POSTINCREMENT_EXPR rather than a naked 'int'.
19513 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
19515 * ggc.h (ggc_push_context): Fix comment.
19516 (ggc_pop_context): Likewise.
19517 (mark_string_if_gcable): Likewise.
19518 * ggc-common.c (ggc_mark_rtx_children): Use
19519 ggc_mark_string_if_gcable.
19520 * ggc-page.c (ggc_lookup_page_table): New function.
19521 (ggc_allocated_p): Likewise.
19522 (mark_obj): Fix formatting.
19523 (ggc_mark_string_if_gcable): New function.
19524 * ggc-simple.c (ggc_allocated_strings): New variable.
19525 (ggc_strings_used): Likewise.
19526 (ggc_compare_addresses): New function.
19527 (ggc_pop_context): Pop the `any' memory too.
19528 (ggc_mark_string_if_gcable): New function.
19529 (ggc_collect): Initialize and tear down ggc_allocated_strings.
19531 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
19533 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
19534 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
19535 * rs6000.c (expand_block_move): Match movstrsi_?reg register
19538 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
19540 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
19541 (sched_reg_live_length, sched_reg_basic_block): Delete.
19542 (current_block_num, bb_live_regs, old_live_regs): Delete.
19543 (dead_notes, struct sometimes): Delete.
19544 (sched_note_set, birthing_insn_p): Delete.
19545 (adjust_priority): Gut useless reg lifetime code.
19546 (create_reg_dead_note, attach_deaths): Delete.
19547 (attach_deaths_insn, new_sometimes_live): Delete.
19548 (finish_sometimes_live): Delete.
19549 (find_pre_sched_live, find_post_sched_live): Delete.
19550 (update_reg_usage): Delete.
19551 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
19552 (schedule_insns): Delete reg lifetime code.
19553 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
19554 (unlink_other_notes): Adjust REG_NOTE commentary.
19555 (reemit_notes): Use REG_SAVE_NOTE.
19556 (schedule_block): Likewise.
19557 (schedule_region): Allocate bitmap of blocks in region. Use
19558 count_or_remove_death_notes. Use update_life_info.
19560 * rtl.h (REG_SAVE_NOTE): New.
19561 * rtl.c (reg_note_name): Update.
19563 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
19565 * combine.c (refresh_blocks, need_refresh): New.
19566 (combine_instructions): Allocate refresh_blocks. Invoke
19567 update_life_info if needed.
19568 (distribute_notes): Mark refresh_blocks instead of installing
19570 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
19571 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
19573 * Makefile.in (recog.o): Depend on basic-block.h.
19575 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
19577 * genrecog.c (add_to_sequence): Thinko last change: delete
19578 shadowing allow_const_int variable.
19580 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19582 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
19583 __GNUC__ and __GNUC_MINOR__.
19585 * gansidecl.h: Likewise.
19591 * toplev.h: Likewise.
19593 * tree.c: Likewise.
19595 * tree.h: Likewise.
19597 * varray.c: Likewise.
19599 * varray.h: Likewise.
19601 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19603 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
19604 use one before a jump table.
19606 * rtl.def (ADDRESS): Change documentation to match reality.
19607 * md.texi: Don't document it.
19608 * gmicro.md (load address pattern): Use 'p' constraint, delete use
19611 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
19613 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
19615 * genrecog.c (add_to_sequence): Move allow_const_int test outside
19616 known predicate block; default allow_const_int true.
19617 (debug_decision_list): New.
19619 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
19621 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
19623 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
19625 * gcse.c (gcse_main): Avoid global optimizations if we have a
19626 large number of basic blocks and the ratio of edges to blocks
19628 (delete_null_pointer_checks): Likewise.
19630 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
19632 * c-common.c (check_format_info): Warn if format string isn't a
19635 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19637 * configure.in (arm*-*-*): Don't let autoconf remove brackets
19638 * configure: regenerate
19640 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
19642 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
19643 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
19644 (peepholes): Re-enable.
19646 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
19648 * Makefile.in (flow.o): Depend on TREE_H.
19649 * basic-block.h (REG_SET_EQUAL_P): New.
19650 (XOR_REG_SET): New.
19651 (n_edges): Declare.
19652 (free_regset_vector): Remove declaration.
19653 (flow_delete_insn_chain): Declare.
19654 (enum update_life_extent): New.
19655 (update_life_info, count_or_remove_death_notes): Declare.
19656 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
19657 Verify register live at bb->global_live_at_start before adding USE.
19658 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
19659 (CLEAN_ALLOCA): New.
19661 (PROP_*): New flags.
19662 (find_basic_blocks_1): Use alloc_EXPR_LIST.
19663 (clear_edges): Zero n_edges.
19664 (make_edge): Increment n_edges.
19665 (split_edge): Don't allocate bb->local_set. Increment n_edges.
19666 (flow_delete_insn_chain): Export.
19667 (delete_block): Decrement n_edges.
19668 (merge_blocks_nomove): Likewise.
19669 (life_analysis): Give life_analysis_1 PROP flags.
19670 (verify_wide_reg_1, verify_wide_reg): New.
19671 (verify_local_live_at_start): New.
19672 (update_life_info): Rewrite to call into propogate_block.
19674 (mark_regs_live_at_end): After reload, if epilogue as rtl,
19675 always mark stack pointer. Conditionally mark PIC register.
19676 After reload, mark call-saved registers, return regsiters.
19677 (life_analysis_1): Accept PROP flags not remove_dead_code.
19678 Call mark_regs_live_at_end before zeroing regs_ever_live.
19679 Use calculate_global_regs_live. Copy global_live_at_end before
19680 calling final propagate_block. Zero reg_next_use on exit.
19681 (calculate_global_regs_live): New.
19682 (allocate_bb_life_data): Don't allocate bb->local_set.
19683 (init_regset_vector, free_regset_vector): Remove.
19684 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
19685 Test flags before every operation. Warn if prologue/epilogue insn
19686 would have been deleted.
19687 (mark_set_regs, mark_set_1): Accept and use FLAGS.
19688 Use alloc_EXPR_LIST.
19689 (mark_used_regs): Accept and use FLAGS, not FINAL.
19690 Remove special handling for RETURN.
19691 (try_pre_increment): Use alloc_EXPR_LIST.
19692 (dump_flow_info): Dump n_edges.
19693 (unlink_insn_chain, split_hard_reg_notes): Remove.
19694 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
19695 (find_insn_with_note, new_insn_dead_notes): Remove.
19696 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
19697 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
19698 (replace_insns): Remove.
19699 (count_or_remove_death_notes): New.
19700 (verify_flow_info): Abort on error after all checks.
19701 (remove_edge): Decrement n_edges.
19702 (remove_fake_edges): Tweak format.
19703 * haifa-sched.c (schedule_insns): Use split_all_insns.
19704 * output.h (update_life_info): Remove declaration.
19705 * recog.c (split_all_insns): From the corpse of split_block_insns,
19706 do the whole function block by block. Use update_life_info.
19707 (recog_last_allowed_insn): New.
19708 (recog_next_insn): Mind it.
19709 (peephole2_optimize): Set it. Walk backwards through blocks.
19710 Use update_life_info.
19711 * rtl.h (update_flow_info, replace_insns): Remove declarations.
19712 (split_all_insns): Declare.
19713 * toplev.c (rest_of_compilation): Thread prologue before flow2.
19714 Use split_all_insns.
19716 * i386.md (or -1 peep2s): Disable.
19718 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
19720 * config/mips/mips.md (movstrsi+[123]) : Combine these into
19721 a single pattern. Scrap the 'd' versions as unnecessary.
19723 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
19724 tablejump_mips162,tablejump_internal4): The operands to a
19725 label_ref must be VOIDmode.
19727 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19729 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
19731 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19733 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
19735 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19737 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
19738 cache every function if ggc_p.
19740 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19742 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
19743 instead of copy_rtx. Accept sequences that contain asm statements.
19744 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
19745 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
19746 orig_asm_operands_vector, copy_asm_operands_vector,
19747 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
19749 * rtl.h (copy_insn, copy_insn_1): Declare.
19751 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19753 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
19755 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
19756 arguments to `current_file_function_operand'.
19758 * genrecog.c: Include hard-reg-set.h and resource.h in the
19759 generated output file.
19761 * real.c: Include tm_p.h.
19763 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19765 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
19768 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
19770 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
19771 before the fctiwz insn.
19773 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19774 Mark Mitchell <mark@codesourcery.com>
19776 * tree.c (make_lang_type_fn): New funtion pointer.
19777 (make_lang_type): Call it.
19778 * tree.h (make_lang_type): Declare.
19779 (make_lang_type_fn): Likewise.
19780 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
19782 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
19784 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
19785 make sure that HIGH instructions are copied into BASE_REGS.
19787 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
19789 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
19791 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
19793 * c-decl.c (finish_struct): Use simpler method of
19794 removing elements of a singly-linked list.
19796 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
19798 * alpha.md (peephole2's): Comment out peephole2's that generate
19801 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
19803 * genrecog.c (add_to_sequence): Disable mode check for
19806 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19808 * ggc-simple.c (init_ggc): Set empty_string.
19810 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
19812 * configure.in: Detect mmap. Add --with-gc=foo to select
19813 garbage collector; default to page if mmap available.
19814 * Makefile.in (GGC): Substitute.
19816 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
19818 * c-decl.c (ggc_p): Enable.
19820 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19822 * flow.c (verify_flow_info): Make it extern & unconditionally define.
19824 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
19826 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
19827 string for little-endian-data.
19829 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
19831 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
19832 case somebody tries to compile --enable-checking code with gcc
19835 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
19837 * genrecog.c (add_to_sequence): Verify operand to label_ref is
19840 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
19842 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
19843 * jump.c (jump_optimize_1): Document why.
19845 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19847 * collect2.c (scan_prog_file, scan_libraries): Prototype function
19848 pointers and casts for `int_handler' and `quit_handler'.
19850 * flow.c (verify_flow_info, split_hard_reg_notes,
19851 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
19852 remove_edge, remove_fake_successors): Add static prototypes.
19853 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
19854 (mark_set_1): Initialize variable `regno'.
19855 (unlink_insn_chain): Likewise for variable `curr'.
19856 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
19858 * loop.c (strength_reduce): Initialize variable
19859 `unrolled_insn_copies'.
19860 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
19861 prototypes. Change these functions to take const PTR parameters
19862 to avoid prototype conflict when used as the comparson argument
19864 (check_dbra_loop): Initialize variable `comparison_val'.
19866 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
19867 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
19868 (find_valid_class): Initialize variable `best_class'.
19869 (find_reloads): Call memcpy, not bcopy.
19871 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
19872 (hard_reg_use_compare): Don't needlessly cast away const.
19873 (reload_reg_class_lower): Likewise.
19874 (choose_reload_regs): Initialize variable `regno'.
19876 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
19878 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
19880 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
19882 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
19883 ({,d}discard): Add forward declarations. Declare parameter as
19885 (main_without_main): Explicitly declare return type to be int.
19886 (memcpy): Properly declare.
19888 * libgcc2.c (toplevel): If inhibit_libc is defined and not
19889 building the trampoline support, declare malloc, free, and
19891 (__clear_cache): Mark arguments as potentially unused.
19893 * frame.c (toplevel): If inhibit_libc is defined, declare
19896 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
19898 * flow.c (make_edge): Accept an optional 2D bitmap in which
19899 to cache edge existence. Update all callers.
19900 (make_label_edge, make_eh_edge): Pass through the edge cache.
19901 (make_edges): Provide the cache.
19903 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19905 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
19907 (local_mbtowc): Change the type of variable `i' from int to size_t.
19909 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
19910 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
19912 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
19914 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
19915 after other includes that define the appropriate types. Include
19916 tm_p.h for getting user prototypes.
19917 * ggc-callbacks.c (toplevel): Ditto.
19918 * ggc-none.c (toplevel): Ditto.
19919 * gcc-page.c (toplevel): Ditto.
19920 * ggc-simple.c (toplevel): Ditto.
19922 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
19923 Jonathan Larmour <jlarmour@cygnus.co.uk>
19925 * config/mips/mips.c (mips_move_2words): Split doubles if
19926 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
19928 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
19930 * genrecog.c (struct decision_test): New.
19931 (struct decision): Remove test-related members, sort the rest by size.
19932 (IS_SPLIT): Simplify.
19933 (new_decision, new_decision_test): New.
19934 (add_to_sequence): Use them. No special handling for args of
19936 (maybe_both_true): Renamed from not_both_true; return sense changed.
19937 (maybe_both_true_1, maybe_both_true_2): New. Broken out
19938 of maybe_both_true and adjusted for decision_test.
19939 (position_merit): Remove.
19940 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
19941 (merge_accept_insn): New, broken out of merge_trees.
19942 (merge_trees): Use them. No special case for c_test; no node
19943 splitting; use test type instead of position_merit.
19944 (factor_tests): New.
19945 (simplify_tests): New.
19946 (break_out_subroutines): Don't write code now.
19947 (find_afterward): New.
19948 (write_afterward, write_switch, write_cond): New.
19949 (write_action, is_unconditional): New.
19950 (write_node): New. Use them.
19951 (write_tree_1): Rewrite. Use the new functions above.
19952 (write_tree): Remove afterward processing.
19953 (write_subroutine): Simplify function variant emission.
19954 (write_subroutines): New.
19955 (same_codes, clear_codes): Remove.
19956 (same_modes, clear_modes): Remove.
19957 (write_header): New, broken out of main.
19958 (make_insn_sequence): Use new_decision and new_decision_test.
19959 (process_tree): New, broken out of main.
19960 (main): Adjust for merge_trees interface change.
19961 Don't #define operands in the output file.
19962 (record_insn_name): New, broken out of make_insn_sequence.
19963 (debug_decision_2, debug_decision_1, debug_decision_0): New.
19964 (debug_decision): New.
19966 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
19968 * resource.c (find_free_register): Mark class_str argument const.
19969 * resource.h: Update prototype to match.
19971 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
19972 * i386.md: Give all anonymous insns names.
19974 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
19976 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
19979 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
19981 * toplev.c (dbr_sched_time): Unconditional.
19982 (peephole2_time): New.
19983 (compile_file): Add pass numbers to all of the dump file suffixes.
19984 Dump peephole2_time. Don't dump times for non-applicable passes.
19985 (rest_of_compilation): Add pass numbers to dump file suffixes.
19986 Conditionalize calls to the scheduler.
19987 * invoke.texi: Update.
19989 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
19991 * flow.c (make_edges): Fix insn iteration.
19992 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
19993 (find_basic_blocks_1): Fix spelling mistake.
19995 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
19997 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
19998 always have side-effects. Use memset not bzero.
19999 (make_node): Likewise.
20001 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
20003 * stmt.c (expand_anon_union_decl): When any of the elements of the
20004 union is addressable, so is the entire union.
20006 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
20008 * sbitmap.c (sbitmap_ones): Don't set too many bits.
20010 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
20011 * bitmap.c (bitmap_operation): Return true iff TO changed.
20012 (bitmap_equal_p): New.
20013 (bitmap_bit_p): Tidy arithmetic.
20014 (debug_bitmap_file): Likewise.
20016 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
20018 * toplev.c (rest_of_compilation): Turn on cse_not_expected
20019 before cse2 instead of after.
20021 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
20023 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
20026 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20028 * cppinit.c (is_idchar initializer): Loosen tests to accept
20031 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
20033 * mips.md: Define conditional move patterns for floating point
20034 operands and DI mode conditions.
20036 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
20038 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
20039 always have side-effects.
20041 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
20043 * mn10200.c (asm_file_start): Fix typo.
20045 * cppinit.c (is_idchar initializer): Tighten tests for when
20046 to put the table into initialized memory.
20048 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
20049 not an array of rtunion.
20050 * gcc-page.c (ggc_alloc_rtvec): Similarly.
20051 * gcc-simple (ggc_free_rtvec): Similarly.
20053 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
20056 * mbchar.h: Add missing #endif.
20058 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
20059 (FPBIT, DPBIT): Define.
20061 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20063 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
20065 * profile.c (instrument_arcs, output_gcov_string,
20066 tablejump_entry_p): Add static prototypes.
20067 (output_gcov_string): Constify a char*.
20069 * regmove.c (replacement_quality, fixup_match_2): Add static
20072 * resource.h (reg_dead_p): Add extern prototype.
20074 * rtl.c (trim_filename): Add static prototype.
20076 * scan-decls.c (skip_to_closing_brace): Likewise.
20078 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
20079 (expand_end_case): Initialize variable `range'.
20080 (emit_case_nodes): Remove unused prototype `rtx_fn'.
20082 * varasm.c (asm_emit_uninitialised): Add static prototype.
20083 (asm_emit_uninitialised, assemble_variable): Mark parameter with
20086 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20088 * cpplib.c (if_directive_nameo): Add static prototype.
20090 * cse.c (cse_insn): Remove unused variable `p'.
20092 * except.c (create_rethrow_ref, push_entry,
20093 receive_exception_label, new_eh_region_entry, find_func_region,
20094 clear_function_eh_region, process_nestinfo): Add static prototypes.
20095 (get_reg_for_handler): Hide definition.
20096 (process_nestinfo): Initialize variable `extra_handlers'.
20098 * expr.h (expand_builtin_longjmp): Add extern prototype.
20100 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
20102 * function.c (prepare_function_start): Likewise.
20103 (pop_function_context_from): Mark parameter `context' with
20105 (push_temp_slots_for_block, flush_addressof): Hide definition.
20107 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
20108 solve_program_flow_graph, calculate_branch_probs,
20109 function_summary, main, fancy_abort): Add prototypes.
20111 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
20112 (add_hash): Constify a char*.
20114 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
20115 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
20116 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
20118 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
20120 * lists.c (free_list, zap_lists): Likewise.
20122 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20124 * alias.c (nonlocal_reference_p): Add static prototype.
20126 * bitmap.c (bitmap_element_allocate): Prototype args in function
20129 * builtins.c (stabilize_va_list): Add static prototype.
20130 (expand_builtin_va_arg): Constify a char*.
20132 * c-lex.c (getch, put_back, extend_token_buffer_to,
20133 read_line_number, token_getch, token_put_back): Add static
20136 * c-parse.gperf (hash, is_reserved_word): Likewise.
20138 * cccp.c (is_dir_separator): Likewise.
20140 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20142 * graph.h: New file to prototype functions exported by graph.c.
20144 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
20146 * graph.c: Include graph.h.
20148 * toplev.c: Likewise. Remove redundant prototypes.
20150 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
20152 * invoke.texi: Removed duplicated description for -Q.
20154 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
20156 * extend.texi: Grammar fix in __extension__ text.
20158 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
20160 * md.texi (define_peephole2): New section.
20162 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
20164 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
20165 (mov $-1 to or peepholer): Enable for pentium when optimizing for
20168 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
20170 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
20172 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
20174 * i386.md (ffs expander): Emit Pentium friendly code for
20177 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
20179 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
20181 (build1): Likewise.
20183 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20185 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
20187 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
20189 * config/m68k/m68k.c (use_return_insn): Return false if the pic
20190 register is in use.
20192 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20194 * md.texi (No Constraints): Delete section.
20195 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
20196 * final.c (final_scan_insn): We always have register constraints.
20197 * genattrtab.c: Don't include "insn-config.h".
20198 (write_attr_case): We always have register constraints.
20199 * genconfig.c (register_constraint_flag): Delete.
20200 (walk_insn_part): Don't check whether we have register constraints.
20201 (main): Don't write out "#define REGISTER_CONSTRAINTS".
20202 * genoutput.c (have_constraints): Delete.
20203 (main): Don't set it.
20204 (output_operand_data): We always have constraints.
20205 (scan_operands): Likewise.
20206 (compare_operands): Likewise.
20207 * local-alloc.c (block_alloc): We always have constraints.
20208 (requires_inout): Always compile this function.
20209 * recog.c (extract_insn): We always have constraints.
20210 (constrain_operands, reg_fits_class_p): Always compile these
20212 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
20214 (struct insn_operand_data): Likewise.
20215 * regclass.c (regclass): We always have constraints.
20216 (record_reg_classes, copy_cost, record_address_regs,
20217 auto_inc_dec_reg_p): Always compile these functions.
20218 * regmove.c (regmove_optimize): We always have constraints.
20219 * reload.c (find_reloads): Likewise.
20220 * reload1.c (reload): Likewise.
20221 (reload_cse_simplify_operands): Likewise.
20222 * i860.c (output_delay_insn): Likewise.
20224 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
20226 * iris6.h (BUILD_VA_LIST_TYPE): Define.
20228 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20230 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
20231 for the va_list record.
20233 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
20235 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
20238 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
20240 * alias.c: Include insn-flags.h.
20241 * Makefile.in (alias.o): Update.
20243 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
20245 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
20246 to LTU and GEU. Handle more cases using sbb.
20248 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
20250 * i386.md (truncatexfdf splitters): Do not use subreg.
20251 (fop XFmode patterns): Fix mode in operand testing.
20253 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
20255 * jump.c (jump_optimize_1): Amend last change to test only the
20256 form of the operand, not the insn.
20258 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
20259 not register_operand to determine when B may need preloading.
20261 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
20263 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
20264 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
20265 (call-value patterns): Move to end of file.
20266 (*): Remove mode from label_ref in (pc) context.
20267 (movstrqi): Use memory not general_operand for BLKmode operands.
20268 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
20269 to register_operand operands.
20270 (peep2 patterns): Convert from commented-out peephole patterns.
20272 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20274 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
20275 to BUILT_IN_INIT_DWARF_REG_SIZES.
20276 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
20277 Renamed from BUILT_IN_DWARF_REG_SIZE; call
20278 expand_builtin_init_dwarf_reg_sizes.
20279 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
20280 with __builtin_init_dwarf_reg_size_table.
20281 * dwarf2out.c (struct reg_size_range): Delete.
20282 (expand_builtin_init_dwarf_reg_sizes): New function.
20283 (expand_builtin_dwarf_reg_size): Delete.
20284 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
20285 (expand_builtin_dwarf_reg_size): Don't declare.
20286 * libgcc2.c (dwarf_reg_size_table_initialized): New.
20287 (dwarf_reg_size_table): New.
20288 (init_reg_size_table): New function.
20289 (copy_reg): Use dwarf_reg_size_table.
20290 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
20293 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
20295 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
20296 Correctly build argument list to constructor and destructor functions.
20298 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
20300 * c-tree.h (warn_float_equal): Declare.
20301 * c-decl.c (warn_float_equal): Define.
20302 (c_decode_option): Recognize -W[no-]float-equal.
20303 * c-typeck.c (build_binary_op): Conditionally warn
20304 about equality tests of floating point types.
20305 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
20306 * invoke.texi: Add docs for -Wfloat-equal warning.
20308 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
20310 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
20311 generating RTL directly.
20312 * mips.h (INIT_TARGET_OPTABS): Likewise.
20313 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
20315 * expr.h (init_mov_optab): Delete declaration
20317 * h8300.c (WORD_REG_USED): Update to avoid useless register
20318 saves in interrupt functions and functions which never return.
20320 * cse.c (struct set): Delete inner_dest_loc field.
20321 (cse_insn): Remove assignments to inner_dest_loc field.
20323 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
20325 * ggc-page.c: Don't include <unistd.h> etc taken care of
20326 by "system.h". Include <sys/mman.h> afterward.
20328 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
20330 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
20333 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
20335 * xcoffout.c (xcoffout_declare_function): Add documentation.
20336 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
20337 TARGET_64BIT. Compare constant to -1, not bit pattern.
20338 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
20339 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
20342 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
20344 * dwarf2out.c (add_abstract_origin_attribute): Abort if
20345 origin_die is NULL.
20346 (gen_inlined_enumeration_type_die): Do not abort if the type has
20347 not been writeen out.
20348 (gen_inlined_structure_type_die): Do not abort if the type has
20349 not been writeen out.
20350 (gen_inlined_union_type_die): Do not abort if the type has
20351 not been writeen out.
20352 (gen_tagged_type_instantiation_die): Do not abort if the type
20353 has not been written out.
20355 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20357 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
20359 * reg-stack.c (straighten_stack): Copy hard reg set with
20362 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
20364 * builtins.c (stabilize_va_list): Stabilize array type va_list
20365 to a pointer type, not the base record type.
20366 (expand_builtin_va_copy): Dereference the pointers explicitly;
20367 use the correct size for the copy.
20369 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
20370 (rs6000_va_arg): Likewise.
20372 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
20374 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
20376 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
20378 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
20380 (DECL_BUILT_IN_CLASS): Adjust accordingly.
20382 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
20384 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
20385 (init_ggc): Use it instead of a constant.
20386 (ggc_collect): Bound allocated_last_gc by it.
20388 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
20390 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
20393 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
20395 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
20396 (mips*-*-openbsd*): Let big endian configuration be a fragment.
20397 * configure: Regen.
20398 * config/mips/openbsd.h: New, OpenBSD little endian target.
20399 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
20400 * config/mips/xm-openbsd.h: New, OpenBSD host.
20402 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
20404 * config/m68k/m68k.c (output_function_prologue,
20405 output_function_epilogue): Use
20406 current_function_uses_pic_offset_table instead of regs_ever_live
20407 to decide whether to save/restore pic register.
20408 (legitimize_pic_address): Don't modify regs_ever_live any more.
20410 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
20412 * function.h (struct function): Add x_dont_save_pending_sizes_p.
20413 * stor-layout.c (variable_size): Don't add sizes to the pending
20414 sizes list if x_dont_save_pending_sizes_p is set.
20416 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
20418 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
20419 for symbolic_operand().
20420 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
20422 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20424 * combine.c (gen_rtx_combine): Add missing call to va_end().
20426 * final.c (asm_fprintf): Likewise.
20428 * genattrtab.c (attr_rtx): Likewise.
20430 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
20432 * cse.c: Update comments.
20433 (cse_insn): When converting a conditional/computed jump into
20434 an unconditional jump, always make sure a BARRIER immediately
20435 follows the converted jump. Do not delete unreachable code.
20436 (cse_basic_block): Do not delete unreachable code.
20437 * toplev.c (rest_of_compilation): Move call to
20438 delete_trivially_dead_insns after the conditional call to
20441 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20443 * collect2.c (make_temp_file): Don't prototype.
20445 * gcc.c (make_temp_file): Likewise.
20447 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
20449 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
20451 * varasm.c (asm_emit_uninitialised): New function: Generate
20452 the assembler statements necessary to declare an uninitialised
20454 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
20456 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
20457 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
20459 (assemble_variable): Use asm_emit_uninitialised to emit an
20460 uninitialised variable.
20462 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
20464 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
20465 constant on a 64 bit host. Patch supplied by Geoffrey Keating
20466 <geoffk@cygnus.com>.
20468 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20470 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
20471 * c-common.h (builtin_function): Don't declare.
20473 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
20475 (pushdecl): Likewise.
20476 (finish_decl): Likewise.
20477 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
20478 int. All callers changed.
20479 Set the builtin's DECL_BUILT_IN_CLASS.
20480 * tree.h (enum built_in_class): New.
20481 (enum built_in_function): Delete NOT_BUILT_IN.
20482 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
20484 (DECL_SET_FUNCTION_CODE): Likewise.
20485 (DECL_BUILT_IN_CLASS): New macro.
20486 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
20487 (struct tree_decl): Split builtin function code field into a
20489 (builtin_function): Declare.
20491 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
20493 * optabs.c (init_traps): Fix typo in last change.
20495 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
20497 * toplev.c (rest_of_decl_compilation): Update comment.
20499 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20501 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
20502 in .sbss if appropriate.
20503 (EXTRA_SECTION_FUNCTIONS): Add sbss.
20504 (SBSS_SECTION_ASM_OP): New macro.
20505 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
20506 (EXTRA_SECTIONS): Add in_sbss.
20507 * config/mips/mips.h: Prototype sbss_section.
20509 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
20511 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
20514 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
20516 * optabs.c (init_traps): Register trap_rtx as a GC root.
20518 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20520 * config/mips/mips.c (function_arg_pass_by_reference): Define
20521 unconditionally, since it's called unconditionally.
20523 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20525 * toplev.c (documented_lang_options): Add -fshort-wchar.
20526 * c-decl.c (c_decode_option): Likewise.
20527 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
20529 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
20530 * gcc.c (default_compilers): If -fshort-wchar,
20531 override __WCHAR_TYPE__.
20532 * tm.texi (C Dialect Options): Add -fshort-wchar.
20534 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
20535 symbol for a variable.
20537 * cpplib.h (CPP_PREPROCESSED): New macro.
20538 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
20539 we're seeing this input for a second time.
20541 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
20543 * emit-rtl.c (init_emit_once): Initialize modes first.
20545 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
20547 * config/i386/i386.c (pic_label_name): Change to char pointer.
20548 (global_offset_table): New variable.
20549 (load_pic_register): Fill global_offset_table if it hasn't
20550 already been done. Allocate pic_label_name dynamically.
20551 * ggc.h (empty_string): New variable.
20552 * ggc-simple.c (empty_string): Likewise.
20553 (init_ggc): Allocate empty_string and add as root.
20554 * stmt.c (digit_strings): New variable.
20555 (init_stmt): Add last_block_end_note as root. Allocate and
20556 initialize digit_strings.
20557 (expand_asm_operands): Use empty_string instead of string
20558 constant. Use digit_strings instead of string constants.
20559 * profile.c (init_arc_profiler): Allocate string with
20560 ggc_alloc_string instead of xmalloc.
20561 (output_func_start_profiler): Likewise.
20562 * c-typeck.c (digest_init): Check if init is error_mark_node.
20564 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
20565 Richard Henderson <rth@cygnus.com>
20567 * ggc-page.c: New file.
20568 * Makefile.in (ggc-page.o): New.
20570 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
20572 * invoke.texi: Document -fdelete-null-pointer-checks
20573 * toplev.c (flag_delete_null_pointer_checks): New.
20574 (f_options): Add entry for -fdelete-null-pointer-checks.
20575 (rest_of_compilation): Conditionalize null pointer check
20576 elimination on flag_delete_null_pointer_checks.
20577 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
20579 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
20581 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
20582 copyright notice and special exception to GPL.
20584 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20586 * abi64.h (mips_function_value): Add prototype arguments.
20588 * mips-protos.h: New file with mips prototypes.
20590 * mips.c: Include "tm_p.h".
20591 (mktemp, lookup_name): Add prototype arguments.
20592 (extern_list, string_constant, mips_fill_delay_slot,
20593 mips_output_external, mips_output_external_libcall,
20594 mips_output_filename, mips_declare_object, function_prologue,
20595 mips_expand_prologue, function_epilogue, mips16_constant,
20596 build_mips16_function_stub, mips_output_conditional_branch):
20598 (mips_va_start): Remove unused variable `u'.
20599 (mips_va_arg): Cast value to unsigned when comparing against one.
20601 (save_restore_insns, mips_expand_prologue): Add missing arg in
20602 call to `large_int'.
20604 * mips.h: Move prototypes to mips-protos.h.
20605 (data_section, memory_address_p, rdata_section,
20606 readonly_data_section, simple_epilogue_p, text_section): Delete
20607 prototypes delcared elsewhere.
20608 (mips_epilogue_delay_slots, print_options): Delete unused decls.
20610 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
20612 * mips.md: Delete extra args in call to `mips_move_2words'.
20614 * xm-iris6.h (alloca): Add prototype argument.
20616 * genpeep.c: Include "tm_p.h" in generated output file.
20618 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20620 * basic-block.h (find_edge_index): Change parameters.
20621 * flow.c (verify_edge_list): Pass basic_block parameters to
20622 find_edge_index instead of integers.
20624 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
20626 * combine.c (simplify_comparison): Use an unsigned shift to adjust
20629 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
20631 * gcc.1: Fix a formatting error.
20633 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20635 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
20636 i786, mn10200, mn10300, pdp11, v850.
20638 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
20640 * libgcc2.c (num_digits): Add prototype with
20641 __attribute__((const)).
20642 (__terminate): Add prototype.
20644 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
20646 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
20648 * alpha/alpha.c (print_operand): Fix type of `code'.
20649 (alpha_output_filename): Constify.
20650 * alpha/alpha.h: Move all function declarations ...
20651 * alpha/alpha-protos.h: ... here. New file.
20652 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
20653 (SECTION_FUNCTION_TEMPLATE): Likewise.
20655 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20657 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
20658 * expr.c (expand_expr): Likewise.
20659 (do_jump): Likewise.
20660 (do_store_flag): Pass ccp_store_flag to can_compare_p.
20661 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
20663 (enum can_compare_purpose): New.
20664 (can_compare_p): Adjust prototype.
20665 (prepare_cmp_insn, prepare_operand): Declare.
20666 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
20667 * optabs.c (cmp_available_p): Deleted.
20668 (expand_abs): Pass ccp_jump to can_compare_p.
20669 (can_compare_p): New arg PURPOSE. Check for combined optabs.
20670 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
20671 Call can_compare_p rather than cmp_available_p.
20672 (prepare_operand): No longer static.
20673 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
20674 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
20675 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
20676 sequence to use emit_cmp_and_jump_insns.
20677 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
20679 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
20681 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
20682 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
20683 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
20684 (plus (reg) (const_int 0))
20685 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
20687 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
20689 * rs6000.c (expand_block_move): DImode loads and stores require
20690 word-aligned displacements. Increment address registers with
20691 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
20693 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
20695 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
20696 is no name for the base type, rather than segfault. If we are
20697 writing out a complex integer type, use DW_ATE_lo_user.
20699 * expr.c (emit_move_insn_1): If we are copying a complex that fits
20700 in one word or less (complex char, complex short, or on 64 bit
20701 systems complex float) to/from a hard register, copy it through
20702 memory instead of dying in gen_{real,imag}part. If we have a
20703 short complex type, prevent inlining since it allocates stack
20706 * tree.c (build_complex_type): If we are writing dwarf2 output,
20707 generate a name for complex integer types.
20709 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20711 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
20712 * flow.c (remove_edge): Remove extra whitespace.
20713 (remove_fake_edges): Fix comment.
20714 (add_noreturn_fake_exit_edges): Use the correct name.
20716 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
20718 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
20719 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
20720 (clean): Depend on INTL_CLEAN.
20721 (maintainer-clean): Adjust.
20723 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20725 * configure.in (AC_PREREQ): Bump to 2.13.
20726 (AC_C_STRINGIZE): Call this instead of using a custom macro.
20728 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
20730 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
20732 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
20734 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
20735 (HAVE_STRINGIZE): Define.
20737 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
20739 * c-parse.in: save and restore warn_pointer_arith on __extension__
20740 along with pedantic.
20741 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
20742 Set the type of extension to itype rather than $<itype>1 kludge.
20743 * extend.texi (Alternate Keywords): Adjust documentation.
20744 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
20746 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
20748 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
20749 most assembler templates.
20751 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
20752 FP loads and stores.
20753 (following_call): Always return zero for the PA8000.
20754 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
20755 FP loads and stores.
20756 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
20758 * pa.h (BRANCH_COST): Define.
20760 * pa.md (return, return_internal): Use bve for PA2.0.
20762 * pa.md (fused multiply): Add variants which reduce height for the
20763 fused multiply, but which still generate 2 insns.
20764 (fnegabs): Similarly.
20766 * pa.md (subsi3): Turn into an expander. Create two anonymous
20767 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
20768 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
20770 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
20772 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
20774 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
20775 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
20777 * regclass.c (init_regs): Add "top_of_stack" as a garbage
20780 * flow.c (record_active_eh_regions): Terminate loop after finding
20781 the last insn in the last basic block.
20783 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20785 * config/c4x/c4x.md: Delete parallel instruction peepholes.
20787 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20789 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
20791 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20793 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
20794 splitting to not use output template.
20796 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20798 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
20799 * config/c4x/c4x.c (c4x_va_start): New function.
20801 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
20803 * genrecog.c (not_both_true): Handle correctly cases when called for
20804 tests with different positions in the insn.
20806 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20808 * machmode.h (HOST_PTR_PRINTF): Move from here ...
20810 * system.h (HOST_PTR_PRINTF): ... to here.
20812 * mips-tfile.c: Don't include machmode.h.
20814 * Makefile.in (MACHMODE_H): New variable. Update to use it.
20815 (mips-tfile.o): Don't depend on machmode.h.
20817 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20819 * haifa-sched.c (sched_analyze): Rename local variable `region' to
20820 avoid conflicts with typedef struct `region' at the top level scope.
20822 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
20824 * basic-block.h (basic_block): Add eh_beg, eh_end.
20825 * flow.c (entry_exit_blocks): Update.
20826 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
20827 Call new functions.
20828 (find_basic_blocks_1): Don't record eh_list at each bb. Use
20829 lists.c functions to allocate insn lists.
20830 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
20832 (make_eh_edge): ... here. New.
20833 (move_stray_eh_region_notes): New.
20834 (record_active_eh_regions): New.
20835 (delete_unreachable_blocks): Split out block merging ...
20836 (try_merge_blocks): ... here. New.
20837 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
20838 Dump debugging data.
20839 (merge_blocks_move_successor_nojumps): Likewise.
20840 (merge_blocks): Use eh_beg+eh_end to validate block movement.
20842 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20844 * extend.texi (Bound member functions): Document unbound pmf
20847 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20849 * flow.c (split_edge): Handle insertion on a fallthrough edge which
20850 has the EXIT_BLOCK as a dest.
20852 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20854 * flow.c (remove_edge): New function to remove an edge from the
20856 (remove_fake_successors): New function to remove fake successor edges.
20857 (remove_fake_edges): New function to remove all fake edges from the
20859 (add_fake_exit_edges): New function to add fake edges from all blocks
20860 with no successors to the exit block.
20861 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
20862 prototypes for new functions.
20864 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20866 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
20867 Use Pmode to determine whether to output .dword or .word.
20869 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
20871 * tree.c (built_in_filename): New variable.
20872 (BUILT_IN_FILENAME): New macro.
20873 (init_tree_codes): Allocate built_in_filename.
20874 (make_node): Use built_in_filename instead of string constant.
20876 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
20878 * configure.in: Add fr30 target.
20879 * configure: Regenerate.
20880 * config/fr30: New directory.
20881 * config/fr30/crti.asm: New file.
20882 * config/fr30/fr30.c: New file.
20883 * config/fr30/crtn.asm: New file.
20884 * config/fr30/fr30.h: New file.
20885 * config/fr30/fr30.md: New file.
20886 * config/fr30/lib1funcs.asm: New file.
20887 * config/fr30/t-fr30: New file.
20888 * config/fr30/xm-fr30.h: New file.
20890 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
20892 * flow.c (merge_blocks_move_successor_nojumps): Delete the
20893 BARRIER at the end of the successor, not the BARRIER before
20896 * pa.c (pa_add_gc_roots): Fix thinko in last change.
20898 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
20900 * stmt.c (any_pending_cleanups): Don't crash when
20901 current_function->stmt is unset.
20903 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20905 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
20906 other initializations that may use it for relative offsets.
20908 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20910 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
20911 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
20912 * config/i386/sol2dbg.h: Removed.
20913 * config/i386/sol2gas.h: New file, to enable gas work-around.
20914 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
20915 Don't use sol2dbg.h.
20916 * configure: Rebuilt.
20918 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
20920 * invoke.texi (-fthis-is-variable): Remove documentation.
20922 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
20924 * basic-block.h (compute_bb_for_insn): Declare.
20925 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
20926 to use; set size of basic_block_for_insn directly.
20927 (find_basic_blocks): Update.
20929 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20931 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
20933 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20935 * crtstuff.c (ON_EXIT): Delete empty macro definition.
20936 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
20938 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
20940 * c-decl.c (c_decode_option): Extend comment.
20942 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
20944 * toplev.c (progname): Make 'const char *'
20945 (flag_print_mem): Move out of main.
20946 (version_flag): Move out of main.
20947 (filename): Move out of main.
20948 (debug_args): Remove g prefix from options.
20949 (documented_lang_options): Remove cpplib specific options.
20950 (display_help): Add g prefix to debug options.
20951 (check_lang_option): Delete this function.
20952 (decode_d_option): New function: Decode -d... option.
20953 (decode_f_option): New function: Decode -f... option.
20954 (decode_W_option): New function: Decode -W... option.
20955 (decode_g_option): New function: Decode -g... option.
20956 (independent_decode_option): New function: Decode a language
20957 independent command line option.
20958 (main): Invoke lang_decode_option and then
20959 independent_decode_option on each command line option in
20962 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
20964 Revert this change. Gavin's patch to operand_equal_p is a better fix.
20965 * fold-const.c (fold_range_test): Do not try to fold the range
20966 test if the rhs or lhs has side effects.
20968 * basic-block.h (compute_flow_dominators): Declare.
20970 * gcse.c (alloc_code_hoist_mem): New function.
20971 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
20972 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
20973 (hoist_code, one_code_hoisting_pass): Likewise.
20974 (gcse_main): If optimizing for size, then hoist expressions
20975 computed in multiple dominated basic blocks.
20977 * gcse.c (invalid_nonnull_info): New function.
20978 (delete_null_pointer_checks): Likewise.
20979 * rtl.h (delete_null_pointer_checks): Declare.
20980 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
20982 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
20983 (merge-blocks_move_successor_nojumps): Likewise.
20984 (merge_blocks): Allow merging of some blocks, even if it requires
20985 physical movement of the blocks, but not if it requires new jumps.
20987 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
20988 Callers and prototype changed.
20989 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
20991 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20993 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
20994 -YP when both -p and -pg are present. From i386/sol2.h.
20996 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20998 * Makefile.in (distclean): Delete tm_p.h.
20999 * configure.in: Create a new file, "tm_p.h", from a list in
21000 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
21001 "i386/i386-protos.h".
21003 * alias.c: Include "tm_p.h".
21004 * c-typeck.c: Likewise.
21005 * calls.c: Likewise.
21007 * emit-rtl.c: Likewise.
21008 * explow.c: Likewise.
21009 * expmed.c: Likewise.
21010 * expr.c: Likewise.
21011 * final.c: Likewise.
21012 * flow.c: Likewise.
21013 * fold-const.c: Likewise.
21014 * function.c: Likewise.
21015 * gcse.c: Likewise.
21016 * global.c: Likewise.
21017 * haifa-sched.c: Likewise.
21018 * integrate.c: Likewise.
21019 * jump.c: Likewise.
21020 * local-alloc.c: Likewise.
21021 * loop.c: Likewise.
21022 * optabs.c: Likewise.
21023 * recog.c: Likewise.
21024 * reg-stack.c: Likewise.
21025 * regclass.c: Likewise.
21026 * regmove.c: Likewise.
21027 * reload.c: Likewise.
21028 * reload1.c: Likewise.
21029 * reorg.c: Likewise.
21030 * resource.c: Likewise.
21031 * stmt.c: Likewise.
21032 * stor-layout.c: Likewise.
21033 * toplev.c: Likewise.
21034 * tree.c: Likewise.
21035 * unroll.c: Likewise.
21036 * genattrtab.c (main): Make generated file include "tm_p.h".
21037 * genemit.c (main): Likewise.
21038 * genoutput.c (main): Likewise.
21039 * genrecog.c (main): Likewise.
21041 * i386.h: Delete all prototypes.
21042 * i386.c: Include "tm_p.h".
21043 (ix86_attr_length_default): Call constant_call_address_operand
21044 with correct number of arguments.
21045 * i386-protos.h: New file.
21046 * i386.md (unnamed patterns): Call constant_call_address_operand
21047 with correct number of arguments.
21048 (exception_receiver): Call load_pic_register with correct number
21051 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
21053 * c-pragma.c (mark_align_stack): Dereference the void* properly.
21055 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
21057 * rtl.h (insns_safe_to_move_p): New function.
21058 * loop.c (find_and_verify_loops): Use it.
21059 * rtlanal.c (insns_safe_to_move_p): Define it.
21061 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
21063 * c-pragma.c: Include ggc.h.
21064 * Makefile.in (c-pragma.o): Update.
21066 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21068 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
21069 (LIB_SPEC): Likewise.
21070 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
21071 Reindent -YP/-p/-pg.
21072 Copied from config/sparc/sol2.h.
21074 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
21076 * c-pragma.c (mark_align_stack): New.
21077 (init_pragma): New.
21078 * c-pragma.h (init_pragma): Declare it.
21079 * c-lex.c (init_parse): Call it.
21081 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21083 * configure.in: Pick up thread library on Solaris/x86 just
21084 like on Solaris/sparc.
21085 * configure: Rebuilt.
21087 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
21089 * rtl.h (global_rtx_index): New enum.
21090 (global_rtl): Change to array of rtx.
21091 (pc_rtx, cc0_rtx): Redefine accordingly.
21092 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
21093 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
21094 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
21095 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
21096 (const_int_rtx): Change to array of rtx.
21097 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
21099 * emit-rtl.c (global_rtl): Change to array of rtx.
21100 (const_int_rtx): Change to aray of rtx.
21101 (gen_rtx_CONST_INT): Redefine accordingly.
21102 (init_emit_once): Allocate and initialize global_rtl. Likewise
21103 for const_int_rtx. Add both as GC roots.
21104 * genattrtab.c (global_rtl): Update declaration.
21106 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
21108 * Makefile (USER_H): Add iso646.h back.
21110 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
21112 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
21113 zapping the LOG_LINKS of sched_before_next_call.
21115 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
21116 * pa.c (insn_refs_are_delayed): Renamed from
21117 insn_sets_and_refs_are_delayed.
21119 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
21121 * functiion.h (struct function): Add x_whole_function_mode_p.
21122 (retrofit_block): Declare.
21123 * function.c (retrofit_block): New function.
21124 (identify_blocks): Add assertions. Allow an incomplete set of
21125 block notes if we're still generating code for the function.
21126 * integrate.c: Include loop.h.
21127 (expand_inline_function): Call find_loop_tree_blocks to map block
21128 notes to blocks when in whole-function mode. Use retrofit_block
21129 to insert new BLOCKs for the inlined function, rather than
21131 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
21132 * Makefile.in (integrate.o): Depend on loop.h.
21134 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21136 * tree.h (warn_about_unused_variables): Declare.
21137 * stmt.c (warn_about_unused_variables): New function, split out
21139 (expand_end_bindings): Here.
21141 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
21143 * stmt.c (preserve_subexpressions_p): Don't crash when
21144 current_function->stmt is unset.
21146 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
21148 * stmt.c (expand_start_bindings): Allow callers to pass a flag
21149 indicating that no NOTE_INSN_BLOCK_BEG note is required.
21150 (expand_start_target_temps): Use it.
21151 * except.c (expand_eh_region_start_for_decl): Likewise.
21152 * expr.c (expand_expr): Likewise.
21154 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21156 * fold-const.c (operand_equal_p): Pay attention to side effects.
21158 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
21160 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
21161 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
21163 * tlink.c (scan_linker_output): Look for keywords before accepting
21164 a mangled name in quotes.
21166 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
21168 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
21169 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
21171 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
21173 * alpha.md: Revert Thu Nov 26 change that came in through the
21174 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
21175 Avoid earlyclobber when possible.
21177 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21179 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
21181 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
21182 Define HAVE_ON_EXIT.
21184 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21186 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
21187 CTYPE_CONV in all ctype macros.
21189 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
21192 * cexp.y (initialize_random_junk): Likewise.
21194 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
21196 * i370.c (handle_pragma): Likewise.
21198 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
21200 * v850.c (override_options): Likewise.
21202 * doprint.c (_doprnt): Likewise.
21204 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
21207 * fixinc/server.c (load_data): Likewise.
21209 * fold-const.c (real_hex_to_f): Likewise.
21211 * genattr.c (write_upcase, gen_attr): Likewise.
21213 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
21214 write_upcase): Likewise.
21216 * genemit.c (print_code): Likewise.
21218 * genopinit.c (gen_insn): Likewise.
21220 * genpeep.c (print_code): Likewise.
21222 * genrecog.c (print_code): Likewise.
21224 * optabs.c (init_libfuncs): Likewise.
21226 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
21228 * haifa-sched.c (sched_analyze): Keep the list of notes organized
21230 (reemit_notes): Likewise.
21232 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
21234 * ggc.h (ggc_root): Move to ggc-common.c.
21236 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
21237 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
21238 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
21239 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
21240 * ggc-common.c (ggc_root): Move from ggc.h.
21241 (roots): Declare, static.
21242 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
21243 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
21244 null or check/set mark bit.
21245 (ggc_mark_roots): New.
21246 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
21248 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
21250 * m32r.c: Include toplev.h.
21251 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
21252 (gen_compare): Rename swap_p to must_swap to match uses.
21253 Add default abort case.
21254 (m32r_output_function_epilogue): Remove unused variables.
21255 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
21256 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
21257 define to empty parameter list. Update all uses.
21258 (predicate decls): Use enum machine_mode not int.
21259 * m32r.md (movsi): Call abort, not fatal_insn.
21260 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
21262 1999-09-14 Andrew Haley <aph@cygnus.com>
21264 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
21265 use $0 instead of 0.
21267 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21269 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
21270 computation out of loop over hard regs.
21272 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
21274 * function.c (identify_blocks): Don't shadow a variable in an
21276 * integrate.c (integrate_decl_tree): Don't use pushlevel,
21277 pushdecl, or poplevel to build up the new BLOCK tree.
21278 (expand_inline_function): Likewise.
21279 (integrate_parm_decls): Likewise.
21281 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
21283 * c-typeck.c (qualify_type): Merge qualifiers from both types.
21285 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
21287 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
21288 * invoke.texi: Document this change.
21290 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
21292 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
21294 (mark_emit_status): Renamed from mark_emit_state.
21295 * except.c (mark_eh_status): Renamed from mark_eh_state.
21296 Check not null before marking.
21297 (free_eh_status): New.
21298 * expr.c (mark_expr_status, free_expr_status): New.
21299 * function.c (free_machine_status): New.
21300 (free_after_parsing): New.
21301 (free_after_compilation): Move bits to free_after_parsing; call
21302 free_eh_status, free_expr_status; zero the marked members of the
21304 (prepare_function_start): No can_garbage_collect.
21305 Call init_eh_for_function.
21306 (expand_dummy_function_end): Free up current_function state.
21307 (mark_function_status): Renamed from mark_function_state.
21308 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
21309 * function.h (struct function): No can_garbage_collect.
21310 (free_machine_status, free_after_parsing): Declare.
21311 (free_eh_status, free_expr_status): Declare.
21312 * ggc.h (mark_expr_status): Declare.
21313 * stmt.c (free_stmt_status): Free the struct.
21314 (mark_stmt_status): Renamed from mark_stmt_state.
21315 (init_stmt): Don't call init_eh.
21316 (init_stmt_for_function): Don't call init_eh_for_function.
21317 * toplev.c (compile_file): Call init_eh.
21318 (rest_of_compilation): Free basic block info before ggc_collect.
21319 Call free_after_parsing; conditionally call free_after_compilation.
21320 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
21321 Check not null before marking.
21322 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
21324 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
21326 * c-lex.c (yylex): Initialize warn.
21328 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
21330 * pa.c (emit_move_sequence): Properly set the mode of the scratch
21331 register when performing secondary reloads for the SAR register.
21333 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
21335 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
21336 (NOTE_BLOCK): New macro.
21337 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
21338 * function.h (identify_blocks): Change prototype.
21339 * function.c (identify_blocks): Simplify.
21340 (reorder_blocks): Likewise.
21341 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
21342 NOTE_INSN_BLOCK_{BEG,END}.
21343 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
21344 the list of saved notes if the note isn't a
21345 NOTE_INSN_BLOCK_{BEG,END}.
21346 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
21348 (reemit_notes): Adjust recreation of notes to reflect new saved
21350 * print-rtl.c (print_rtx): Print the address of the BLOCK when
21351 printing a block note.
21352 * stmt.c (block_vector): Remove.
21353 (find_loop_tree_blocks): Simplify.
21354 (unroll_block_trees): Likewise.
21355 * tree.h (reorder_block): Change prototype.
21357 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
21359 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
21360 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
21361 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
21362 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
21363 (atexit, exit): Simplify.
21364 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
21365 * config/lots: Remove defns of HAVE_ATEXIT.
21367 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
21369 * calls.c (precompute_arguments): Fix typo in comment.
21370 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
21373 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
21375 * dsp16xx.c (override_options): Fix typos in GC root registration.
21377 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
21379 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
21380 from config/svr4.h.
21381 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
21382 (FUNCTION_PROFILER): Redefine appropriately for Linux.
21383 (CC1_SPEC): Likewise.
21385 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21387 * genattr.c (main): Add extern prototype. Call return, not exit.
21388 * genattrtab.c (main): Likewise.
21389 * gencheck.c (main): Likewise.
21390 * gencodes.c (main): Likewise.
21391 * genconfig.c (main): Likewise.
21392 * genemit.c (main): Likewise.
21393 * genextract.c (main): Likewise.
21394 * genflags.c (main): Likewise.
21395 * gengenrtl.c (main): Likewise.
21396 * genopinit.c (main): Likewise.
21397 * genoutput.c (main): Likewise.
21398 * genpeep.c (main): Likewise.
21399 * genrecog.c (main): Likewise.
21401 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
21402 * genattrtab.c (get_insn_name): Likewise.
21403 * gencodes.c (get_insn_name): Likewise.
21404 * genconfig.c (get_insn_name): Likewise.
21405 * genemit.c (get_insn_name): Likewise.
21406 * genextract.c (get_insn_name): Likewise.
21407 * genflags.c (get_insn_name): Likewise.
21408 * genopinit.c (get_insn_name): Likewise.
21409 * genpeep.c (get_insn_name): Likewise.
21411 * gencheck.c (usage): Add static prototype.
21412 * genextract.c (print_path): Constify a char*.
21413 * genopinit.c (optabs): Likewise.
21414 * genoutput.c (operand_data, data, output_predicate_decls,
21415 compare_operands): Likewise.
21416 * genrecog.c (write_tree): Add default case in switch.
21418 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21420 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
21422 * print-rtl.c (get_insn_name): Remove prototype.
21424 * toplev.h (progname): Declare const.
21426 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
21427 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
21428 dump_sched_info, dump_local_alloc, regset_release_memory,
21429 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
21430 error_with_file_and_line, error_with_decl, error_for_asm, error,
21431 fatal, warning_with_file_and_line, warning_with_decl, warning,
21432 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
21433 Remove redundant prototypes.
21435 (notice, check_lang_option, report_file_and_line, vnotice,
21436 mark_file_stack): Add static prototype.
21437 (set_fatal_function): Add prototype.
21438 (vnotice, report_file_and_line, set_fatal_function,
21439 check_lang_option): Constify a char*.
21440 (main): Prototype. Call return, not exit.
21442 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21444 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
21446 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
21448 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
21450 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
21452 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21454 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
21455 behave as if it's zero in all cases.
21456 (expand_function_start): Adjust call to assign_parms.
21457 * tree.h (assign_parms): Adjust prototype.
21458 * objc/objc-act.c (hack_method_prototype): Adjust call to
21461 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
21463 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
21464 arg_pointer_rtx fixed if the argument pointer register is
21466 (NONZERO_BASE_PLUS_P): Likewise.
21468 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
21470 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
21471 match_insn2 to match_insn.
21472 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
21474 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
21476 * Makefile.in (USER_H): Remove va-foo.h.
21478 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
21479 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
21480 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
21481 va-spur.h,va-v850.h}: Remove.
21483 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
21485 * sparc/sparc.md (eligible_for_return_delay): New attribute.
21486 (in_return_delay): Use it instead of match_insn.
21488 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21490 * config/alpha/va_list.h (va-alpha.h): Do not include.
21491 (__gnuc_va_list): Typedef as in varargs.h.
21493 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
21495 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
21496 DECL_LIVE_RANGE_RTL.
21498 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
21500 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
21501 not NOTE_BLOCK_NUMBER.
21502 (expand_eh_region_end): Likewise.
21503 (find_exception_handler_labels): Likewise.
21504 (scan_region): Likewise.
21505 (exception_optimize): Likewise.
21506 (update_rethrow_references): Likewise.
21507 (set_insn_eh_region): Likewise.
21508 * final.c (final_scan_insn): Likewise.
21509 * flow.c (make_edges): Likewise.
21510 * integrate.c (expand_inline_function): Likewise.
21511 * print-rtl.c (print_rtx): Likewise.
21513 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
21515 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
21516 terms of builtin functions and types.
21518 * mips.c (mips_build_va_list): New.
21519 (mips_va_start, mips_va_arg): New.
21520 * mips.h (BUILD_VA_LIST_TYPE): New.
21521 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21523 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
21524 (sh_build_va_list, sh_va_start, sh_va_arg): New.
21525 * sh.h (BUILD_VA_LIST_TYPE): New.
21526 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21528 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
21530 * recog.h (struct recog_data): Make dup_num, operand_address_p,
21531 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
21532 (struct insn_data): Likewise with n_operands, n_dups,
21533 n_alternatives, output_format.
21534 * regclass.c (scan_one_insn): Cast n_operands to int before
21535 arithmetic inside comparison.
21537 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
21539 * toplev.c (compile_function): Unconditionally emit nop.
21541 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21543 * haifa-sched.c (actual_hazard): Move declaration of variable
21544 `this_cost' into the scope where it is used.
21546 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21548 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
21549 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
21550 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
21552 * genrecog.c (make_insn_sequence): Call memset, not bzero.
21554 * jump.c (find_insert_position): Don't declare or define unless
21555 !HAVE_conditional_arithmetic.
21556 (returnjump_p_1, delete_prior_computation): Add static prototypes.
21558 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
21560 * recog.c (offsettable_address_p): Prototype function pointer.
21561 (preprocess_constraints): Call memset, not bzero.
21563 * tree.c (tree_node_kind_names): Constify a char*. Make static.
21564 (gcc_obstack_init): Don't declare.
21565 (fix_sizetype): Add static prototype.
21566 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
21567 (tree_cons): Call memset, not bzero.
21569 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
21570 definition in macro ASM_WEAKEN_LABEL.
21571 (mark_const_hash_entry): Add static prototype.
21573 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21575 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
21577 * unroll.c (find_common_reg_term, subtract_reg_term,
21578 loop_find_equiv_value): Add static prototypes.
21579 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
21580 (copy_loop_body): Remove unreachable break statement.
21582 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
21584 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
21586 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21588 Undo some changes from the gcc2 merge:
21589 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
21590 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
21594 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
21595 * emit-rtl.c (gen_lowpart_common): Disable optimization of
21596 initialized float-int union if the value is a NaN.
21598 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
21600 * gthr-win32.h: New file.
21602 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
21603 shared as a valid attribute.
21604 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
21605 * extend.texi: Document `shared' variable attribute.
21607 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
21609 * configure.in: Handle --enable-threads on FreeBSD.
21610 * configure: Rebuit.
21612 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21614 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
21616 * configure: Rebuilt.
21618 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
21619 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
21620 Rosimildo DaSilva <rdasilva@connecttel.com>
21622 * configure.in (m68k-*-rtemscoff*): Added.
21623 * configure.in (mips64orion-*-rtems*): Converted to ELF.
21624 * configure.in (sparc-*-rtemsaout*): Added as alias for old
21625 sparc-rtems configuration.
21626 * configure.in (sparc-*-rtemself*): Added.
21627 * configure.in (sparc-*-rtems*): Now ELF not a.out.
21628 * config/i386/rtems.h: Added comment.
21629 * config/sparc/rtemself.h: New file.
21631 * configure.in (m68k-rtemself): Added.
21632 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
21633 and DWARF_DEBUGGING_INFO.
21634 * config/m68k/crti.s: New file.
21635 * config/m68k/crtn.s: New file.
21636 * config/m68k/t-crtstuff: New file.
21637 * config/m68k/rtemself.h: New file.
21639 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
21640 global ctor/dtor and C++ exception handling.
21641 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
21642 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
21644 * config/i386/t-rtems-i386: New File.
21646 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
21648 * stmt.c (expand_end_case): Return right away if the case stack is
21651 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
21653 * Makefile.in (version.c): Remove rule incorrectly brought in from
21656 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
21658 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
21659 * msdos/top.sed: Take into account a prepended $(SHELL) to
21661 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
21663 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
21665 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21667 * regmove.c (fixup_match_1): Don't change an unchanging register.
21668 (stable_but_for_p): Renamed to:
21669 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
21670 Changed all callers.
21672 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
21674 * loop.c (strength_reduce): Don't call reg_used_between_p if the
21675 insn from BL2 is after the insn from BL.
21677 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
21679 * recog.h (INSN_OUTPUT_FORMAT_*): New.
21680 (struct insn_data): Merge `template' and `outfun' into `output'.
21681 Add `output_format'.
21682 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
21683 (struct data): Remove `outfun'; add `output_format'.
21684 (name_for_index): Remove declaration.
21685 (output_insn_data): Handle output formats.
21686 (process_template): Emit the bare array for @.
21687 (gen_expand, gen_split): Set output_format to NONE.
21688 * output.h (get_insn_template): Declare.
21689 * final.c (get_insn_template): New.
21690 (final_scan_insn): Use it.
21691 * toplev.c (compile_file): Likewise.
21693 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21694 * i860/i860.c (output_delayed_branch): Likewise.
21695 (output_delay_insn): Likewise.
21697 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21699 * rtl.c (obstack_alloc_rtx): Removed.
21701 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
21703 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
21705 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
21707 * i386.c (call_insn_operand): Reject const_int.
21708 (expander_call_insn_operand): Use call_insn_operand.
21710 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21712 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
21714 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
21716 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
21717 Use DImode operation.
21719 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
21721 * gcc.c: Include sys/resource.h.
21722 (report_times): New flag.
21723 (execute): If report_times is set, calculate and report the
21724 CPU time consumed by each subprocess.
21726 (rus, prus): New globals.
21727 (option_map): Add --time.
21728 (display_help): Document -time.
21729 (process_command): Set report_times if -time is given.
21730 Turn off -pipe if -time is given.
21732 * invoke.texi: Document new option -time.
21734 * configure.in: Check for getrusage. Check if we have to
21735 prototype getrusage.
21736 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
21737 * configure: Regenerate.
21738 * config.in: Regenerate.
21740 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
21742 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
21745 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
21747 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
21748 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
21749 (nan): Return _thenan_sf or _thenan_df as appropriate.
21750 (L_thenan_sf): Define _thenan_sf.
21751 (L_thenan_df): Define _thenan_df.
21753 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
21754 (DPBIT_FUNCS): Add _thenan_df.
21756 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
21758 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
21761 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21763 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
21766 (lang_specific_driver): Don't take a function pointer parameter.
21767 All callers changed.
21769 * gcc.c: Include gcc.h.
21770 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
21771 lang_specific_extra_outfiles, fatal): Don't declare.
21772 (multilib_defaults_raw): Constify.
21773 (read_specs): Call memset, rather than bzero.
21774 (main): Call return, not exit.
21775 (lookup_compiler): Call memcpy, not bcopy.
21776 (fatal): Make extern.
21778 * cppspec.c: Include gcc.h.
21779 (lang_specific_driver): Initialize variable `quote'. Constify a
21780 char*. All calls to the function pointer parameter now
21781 explicitly call `fatal'.
21783 * gccspec.c (lang_specific_driver): Include gcc.h.
21785 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
21787 * arm.c (note_invalid_constants): Use recog_data.operand_type
21790 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21792 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
21795 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
21796 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21797 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21798 reload_secondary_in_reload, reload_secondary_out_reload,
21799 reload_secondary_in_icode, reload_secondary_out_icode,
21800 reload_reg_rtx, reload_when_needed): Delete declarations.
21801 (struct reload): New structure.
21802 (rld): Declare new array.
21803 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
21804 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21805 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21806 reload_secondary_in_reload, reload_secondary_out_reload,
21807 reload_secondary_in_icode, reload_secondary_out_icode,
21808 reload_reg_rtx, reload_when_needed): Delete definitions.
21810 (whole file): Replace uses of the deleted arrays with uses of rld.
21811 * reload1.c (whole file): Replace uses of the deleted arrays with
21813 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
21814 explicit loops, not with bcopy.
21816 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
21818 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
21819 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
21820 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
21821 insn_name): Delete and consolidate into new structures.
21822 (insn_operand_predicate_fn): New.
21823 (insn_output_fn): New.
21824 (insn_gen_fn): New.
21825 (struct insn_operand_data): New.
21826 (struct insn_data): New.
21828 (OUT_FCN): Update for insn_data change.
21829 * builtins.c (expand_builtin_strlen): Likewise.
21830 (expand_builtin_memcmp): Likewise.
21831 * combine.c (make_extraction, simplify_comparison): Likewise.
21832 * cse.c (canon_reg, cse_insn): Likewise.
21833 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
21834 * expmed.c (store_bit_field, extract_bit_field): Likewise.
21835 (emit_store_flag): Likewise.
21836 * expr.c (convert_move, emit_block_move): Likewise.
21837 (clear_storage, emit_push_insn, expand_increment): Likewise.
21838 (do_store_flag): Likewise.
21839 * expr.h (GEN_FCN): Likewise.
21840 (insn_gen_function): Die.
21841 * final.c (final_scan_insn): Update for insn_data change.
21842 (output_asm_name): Likewise.
21843 * function.c (fixup_var_refs_1): Likewise.
21844 * loop.c (check_dbra_loop): Likewise.
21845 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
21846 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
21847 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
21848 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
21849 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
21850 * regmove.c (gen_add3_insn): Likewise.
21851 * reload.c (push_secondary_reload, combine_reloads): Likewise.
21852 (find_reloads, find_reloads_address_1): Likewise.
21853 (debug_reload_to_stream): Likewise.
21854 * reload1.c (emit_reload_insns, gen_reload): Likewise.
21855 * stmt.c (expand_end_case): Likewise.
21856 * toplev.c (compile_file): Likewise.
21858 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21859 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21861 * print-rtl.c (insn_name_ptr): Remove declaration.
21862 (get_insn_name): Declare.
21863 (print_rtx): Use it.
21864 * genoutput.c (insn_name_ptr): Remove.
21865 (next_operand_number): New.
21866 (struct operand_data): New.
21867 (null_operand, odata, odata_end): New.
21868 (struct data): Use struct operand_data.
21869 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
21870 (get_insn_name): Renamed from name_for_index.
21871 (output_prologue): Define NO_MD_PROTOTYPES.
21872 (output_predicate_decls): Break out from output_epilogue.
21873 Iterate over the operands list.
21874 (output_operand_data): Break out from output_epilogue. Emit
21875 just the operands list.
21876 (output_insn_data): Break out from output_epilogue. Emit just
21878 (output_epilogue): Remove.
21879 (output_get_insn_name): New.
21880 (constraints, op_n_alternatives, predicates, address_p): Die.
21881 (modes, strict_low, seen): Die.
21882 (scan_operands): Take new param `d' instead of writing to
21883 seven global variables.
21884 (compare_operands): New.
21885 (place_operands): New.
21886 (validate_insn_alternatives): Update for struct data change.
21887 (gen_insn): Don't zero or copy 7 global arrays. Update for
21888 scan_operands; call place_operands.
21889 (gen_peephole, gen_expand, gen_split): Likewise.
21890 (main): Update for new output routines.
21892 * genattr.c (insn_name_ptr): Remove.
21893 (get_insn_name): New function.
21894 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
21895 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
21896 * genrecog.c: Likewise.
21898 * alpha.md (adddi3): Make `pattern' array static.
21900 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21902 * config/c4x/c4x.h (c4x_rpts_cycles_string,
21903 c4x_cpu_version_string): Constify char *.
21904 * config/c4x/c4x.c (c4x_rpts_cycles_string,
21905 c4x_cpu_version_string): Likewise.
21907 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
21909 * tree.c (save_tree_status): Revert 10 Sep change.
21910 (restore_tree_status): Likewise. Call obstack_free with NULL
21911 before freeing the obstack proper.
21913 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
21915 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
21917 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
21918 surrounding context.
21920 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
21922 * tree.c (type_hash_canon): Put all types in the hash-table, when
21925 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
21927 * recog.h (struct recog_data, recog_data): New.
21928 (recog_foo variables): Kill.
21929 * recog.c (recog_operand, recog_operand_loc): Kill.
21930 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
21931 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
21932 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
21933 (recog_data): Define.
21934 (extract_insn): Update all recog_foo references to use recog_data.
21935 (preprocess_constraints, constrain_operands): Likewise.
21936 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
21937 * genattrtab.c (main): Likewise.
21938 * genextract.c (main): Likewise.
21939 * genoutput.c: Likewise.
21940 * genrecog.c (write_subroutine, main): Likewise.
21941 * local-alloc.c (block_alloc): Likewise.
21942 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
21943 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
21944 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
21945 * reload.c (find_reloads, find_reloads_toplev): Likewise.
21946 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
21947 (reload_cse_simplify_operands): Likewise.
21949 * arc/arc.c (arc_final_prescan_insn): Likewise.
21950 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
21951 * h8300/h8300.c (notice_update_cc): Likewise.
21952 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
21953 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21954 * mn10200/mn10200.c (notice_update_cc): Likewise.
21955 * mn10300/mn10300.c (notice_update_cc): Likewise.
21956 * romp/romp.c (update_cc): Likewise.
21957 * sparc/sparc.c (check_pic): Likewise.
21958 * v850/v850.c (notice_update_cc): Likewise.
21960 * genemit.c (main): Don't declare recog_operand.
21962 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
21964 * ggc.h (rtvec_def): Forward declare.
21965 (tree_node): Likewise.
21966 (ggc_root): Define.
21968 (ggc_set_mark_rtx): Add prototype.
21969 (ggc_set_mark_rtvec): Likewise.
21970 (ggc_set_mark_tree): Likewise.
21971 * ggc-simple.c (ggc_root): Don't define.
21972 (roots): Don't declare.
21973 (ggc_mark_rtx): Remove.
21974 (ggc_mark_rtvec): Likewise.
21975 (ggc_mark_tree): Likewise.
21976 (ggc_mark_varray): Likewise.
21977 (ggc_mark_tree_hash_table_entry): Likewise.
21978 (ggc_mark_tree_hash_table): Likewise.
21979 (ggc_set_mart_rtx): New function.
21980 (ggc_set_mark_rtvec): Likewise.
21981 (ggc_set_mark_tree): Likewise.
21982 (ggc_add_root): Remove.
21983 (ggc_add_rtx_root): Likewise.
21984 (ggc_remove_tree_root): Likewise.
21985 (ggc_add_string_root): Likewise.
21986 (ggc_add_tree_varray_root): Likewise.
21987 (ggc_add_tree_hash_table_root): Likewise.
21988 (ggc_del_root): Likewise.
21989 (ggc_mark_rtx_ptr): Likewise.
21990 (ggc_mark_tree_ptr): Likewise.
21991 (ggc_mark_string_ptr): Likewise.
21992 (ggc_mark_tree_varray_ptr): Likewise.
21993 (ggc_mark_tree_hash_table_ptr): Likewise.
21994 * ggc-common.c: New file.
21995 * Makefile.in (OBJS): Add ggc-common.o.
21996 (ggc-common.o): List dependencies.
21998 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
22000 * cppalloc.c (xstrdup): Use memcpy.
22001 * cpperror.c (cpp_print_containing_files): Don't use
22003 * cpplib.c (conditional_skip): Set temp->lineno.
22004 (do_endif): Make error message less obscure.
22005 (if_directive_name): New function.
22006 (cpp_get_token [case EOF]): Unwind the if stack and generate
22007 error messages for each unterminated conditional in this file.
22008 (parse_string): Do not behave differently if -traditional.
22010 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
22012 * builtins.c (expand_builtin_va_arg): Cope with an array-type
22013 va_list decomposing to pointer-type.
22014 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
22015 (rs6000_va_arg): Likewise.
22017 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
22019 * except.c (start_dynamic_handler): Compute size using
22020 STACK_SAVEAREA_MODE.
22022 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22024 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
22025 include directory headers. Don't define strrchr. Don't provide
22026 my_* replacement functions. Prefer PTR over `pointer_type'.
22027 Don't prototype system functions. Don't redefine getopt.
22029 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
22030 safe_read, safe_write, save_pointers, restore_pointers,
22031 is_id_char, in_system_include_dir, directory_specified_p,
22032 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
22033 find_corresponding_lparen, referenced_file_is_newer,
22034 save_def_or_dec, munge_compile_params, gen_aux_info_file,
22035 process_aux_info_file, identify_lineno, check_source,
22036 seek_to_line, forward_to_next_token_char, output_bytes,
22037 output_string, output_up_to, other_variable_style_function,
22038 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
22039 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
22040 find_static_definition, connect_defs_and_decs, add_local_decl,
22041 add_global_decls, needs_to_be_converted, visit_each_hash_node,
22042 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
22043 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
22044 scan_for_missed_items, edit_file, string_list_cons): Add static
22046 (standard_exec_prefix, target_machine, target_version,
22047 default_syscalls_dir, string_list, string_list_cons, find_file,
22048 do_cleaning): Constify a char*.
22049 (safe_read, safe_write): Use PTR, not a char*.
22050 (is_id_char): Take an int, not a char.
22051 (main): Add prototype. Call return, not exit.
22053 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
22055 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
22056 when comparing types.
22058 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
22060 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
22061 (strength_reduce): Release the varrays from the no-bivs early exit.
22063 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
22064 the loop over the registers.
22066 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
22068 (restore_tree_status): Check that instead when freeing the obstack.
22070 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
22072 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
22075 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22077 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
22078 operand size modifiers.
22080 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22082 * c-common.c (c_common_nodes_and_builtins): Don't build
22084 * c-common.h (enum c_tree_index and related accesor macros): Remove
22085 everything now declared in tree.h.
22086 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22087 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
22088 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
22089 (error_mark_node, void_type_node, char_type_node, integer_type_node,
22090 unsigned_type_node, ptr_type_node, va_list_type_node,
22091 integer_zero_node, null_pointer_node, integer_one_node): Delete.
22092 (init_decl_processing): Call build_common_tree_nodes and
22093 build_common_tree_nodes_2 instead of building their nodes here.
22094 Don't add roots for these nodes.
22095 * stor-layout.c (size_zero_node, size_one_node): Delete.
22096 (set_sizetype): Make a new node for bitsizetype each time.
22097 * tree.c (global_trees): New variable.
22098 (init_obstacks): Add a gc root for it.
22099 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22100 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
22101 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
22102 (build_common_tree_nodes): New function.
22103 (fix_sizetype): New function.
22104 (build_common_tree_nodes_2): New function.
22105 * tree.h (enum tree_index): New.
22106 (global_trees): Declare.
22107 Add accessor macros for all nodes now moved to global_trees.
22108 Delete their declarations.
22110 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
22112 * c-decl.c (finish_function): When processing a nested function,
22113 push and pop GC context around rest_of_compilation.
22115 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
22117 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
22118 Default ix86_arch to PROCESSOR_I386.
22119 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
22120 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
22121 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
22122 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
22123 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
22124 (EXTRA_SPECS): Remove deleted specs.
22126 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
22128 * function.c (assign_stack_local_1): Allocate from
22129 function->x_frame_offset, not frame_offset.
22131 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
22133 * ggc.h (lang_cleanup_tree): Remove.
22134 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
22135 * ggc-callbacks.c (lang_cleanup_tree): Remove.
22137 * c-decl.c (finish_struct): Use ggc_alloc to allocate
22138 TYPE_LANG_SPECIFIC when garbage collecting.
22139 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
22140 (lang_cleanup_tree): Remove.
22142 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22144 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
22145 * crtstuff.c: Not here.
22146 * dwarf2out.c: Or here.
22147 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
22150 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
22152 * function.h (free_after_compilation): Remove decl parameter.
22153 (free_varasm_status0: Likewise.
22154 (free_emit_status): Likewise.
22155 (free_stmt_status): Likewise.
22156 (free_after_compilation): Likewise.
22157 (init_lang_status): New variable.
22158 (free_lang_status): Likewise.
22159 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
22160 * function.c (init_lang_status): New variable.
22161 (free_lang_status): Likewise.
22162 (push_function_context_to): Don't set function::decl here.
22163 (free_after_copmilation): Make decl parameter implicit. Call
22164 free_lang_status if defined.
22165 (prepare_function_start): Call init_lang_status if defined.
22166 (init_function_start): Set function::decl here.
22167 * profile.c (output_func_start_profiler): Don't call pushdecl
22168 until we've actually started the function.
22169 * stmt.c (free_stmt_status): Make decl parameter implicit.
22170 * toplev.c (rest_of_compilation): Don't pass decl to
22171 free_after_compilation.
22172 * varasm.c (free_varasm_status): Likewise.
22174 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22176 * except.c (call_get_eh_context): Add root when allocating static
22179 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
22181 * arm.c: Include "ggc.h".
22182 (arm_add_gc_roots): New function.
22183 (arm_override_options): Call it.
22184 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
22186 * arm.md (define_asm_attributes): Add a pool_range attribute.
22188 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
22190 * extend.texi (Volatiles): New node.
22192 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
22194 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
22195 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
22196 (struct ggc_any): Replace `mark' with `magic_mark'.
22197 (ggc_alloc_string): Use memcpy, not bcopy.
22198 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
22199 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
22200 (ggc_free_any): New.
22201 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
22202 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
22203 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
22204 Use IS_MARKED. Use ggc_free_any.
22206 1999-09-09 Scott Bambrough <scottb@netwinder.org>
22208 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
22210 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
22212 * toplev.c (main): Always init_ggc.
22214 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
22216 * except.c (find_all_handler_type_matches): Free the list if
22217 we found no matches.
22219 * combine.c (SUBST): Break out to a real function do_SUBST.
22220 (SUBST_INT): Likewise.
22221 * gcse.c (free_pre_mem): Free `temp_bitmap'.
22222 (pre_insert): Free `inserted'.
22223 * loop.c (basic_induction_var): Always set `location'.
22225 * function.c (expand_function_end): Add initial_trampoline as a root.
22226 * rtl.h (init_varasm_once): Declare.
22227 * toplev.c (compile_file): Call it.
22228 * ggc-simple.c (ggc_mark_string_ptr): New.
22229 (ggc_add_string_root): New.
22230 (ggc_collect): Disable collection avoidance temporarily.
22231 * ggc.h (ggc_add_string_root): Declare.
22232 * except.c (create_rethrow_ref): Use ggc_alloc_string.
22233 * optabs.c (init_libfuncs): Likewise.
22234 * varasm.c (named_section): Use ggc_alloc_string.
22235 (make_function_rtl): Likewise.
22236 (make_decl_rtl): Likewise.
22237 (assemble_static_space): Likewise.
22238 (assemble_trampoline_template): Likewise.
22239 (output_constant_def): Likewise.
22240 (force_const_mem): Likewise.
22241 (mark_const_hash_entry): New.
22242 (mark_pool_sym_hash_table): New.
22243 (mark_varasm_state): Use it.
22244 (init_varasm_once): New.
22246 * expr.h (init_one_libfunc): Declare.
22247 * optabs.c (init_one_libfunc): New.
22248 (init_optabs): Use it.
22249 * config/gofast.h: Likewise.
22250 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
22251 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
22253 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
22255 * Makefile.in (cppexp.o): Depend on cpphash.h.
22256 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
22258 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
22259 * cpplib.c (do_define): Generalise to handle poisoned definitions,
22260 redefining poisoned identifiers, etc.
22261 (do_undef): Don't allow poisoned identifiers to be undefined.
22262 (do_pragma): Add #pragma poison.
22263 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22265 * cccp.c: Add T_POISON node type.
22266 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
22268 (do_define): Generalise to handle poisoned definitions,
22269 redefining poisoned identifiers, etc.
22270 (do_undef): Don't allow poisoned identifiers to be undefined.
22271 (do_pragma): Add #pragma poison.
22272 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22274 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
22275 * c-pragma.h: Add ps_poison state. We now always have generic
22278 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
22280 * ggc.h (ggc_alloc): New function.
22281 (ggc_mark): Likewise.
22282 * ggc-simple.c (ggc_any): New structure.
22283 (ggc_status): Add anys.
22284 (n_anys_collected): New variable.
22285 (ggc_alloc): Define.
22286 (ggc_mark): Likewise.
22287 (ggc_collect): Collect the anys.
22289 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22291 * c-decl.c (mark_binding_level): Make static to match prototype.
22293 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
22295 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
22297 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
22299 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
22300 will use into account. Expand the max width to 5.
22303 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
22305 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
22306 for the rtx length.
22308 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
22310 * alpha.md (call value patterns): Remove the result predicates.
22312 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
22314 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
22317 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22319 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
22320 changed from extern char *, to extern PTR. Also fix typo in
22321 NEED_DECLARATION_REALLOC test.
22323 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
22325 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22327 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
22328 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
22329 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
22330 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
22332 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
22334 * cccp.c (pcfinclude): Likewise.
22336 * global.c (allocno_compare): Likewise.
22338 * haifa-sched.c (rank_for_schedule): Likewise.
22340 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
22342 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
22344 * stupid.c (stupid_reg_compare): Likewise.
22346 * tree.c (_obstack_allocated_p): Likewise.
22348 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
22350 1999-09-08 Bruce Korb autogen@linuxbox.com
22352 * Makefile.in: Give the hapless gperf user a hint about
22353 why "gperf -F" fails.
22355 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
22357 * lists.c: Include ggc.h.
22359 (init_EXPR_INSN_LIST_cache): Install it.
22361 * ggc-simple.c (init_ggc): Absorb the old init.
22362 (ggc_push_context): Use xcalloc.
22363 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
22364 (ggc_collect): Add [rvts] tags to the collection stats.
22366 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
22368 * cccp.c (main): Fix handling of -include and -imacros options.
22370 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
22372 * cpplib.c (cpp_push_buffer): Fix order of arguments.
22374 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22376 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
22379 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22381 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
22382 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
22383 and SET_DEST. Update comment.
22385 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22387 * config/c4x/c4x.c: Include ggc.h.
22388 (c4x_add_gc_roots): New function.
22389 (c4x_override_options): Call c4x_add_gc_roots.
22391 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
22393 * defaults.h (TARGET_ESC): Move ...
22394 * system.h: ... here, where Linas had it in the first place. Silly me.
22396 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
22398 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
22399 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
22400 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
22401 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
22402 * defaults.h (TARGET_ESC): Add default.
22404 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
22406 * configure.in: add i370-*-openedition, i370-*-mvs and
22407 i370-*-linux targets
22409 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
22411 * dsp16xxx.c: Include ggc.h
22412 (override_options): Mark GC roots.
22413 * mn10200.c: Include ggc.h.
22414 (asm_file_start): Mark GC roots.
22415 * tahoe.c: Include ggc.h.
22416 (extensible_operand): Mark GC roots.
22418 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
22420 * README: Add section discussing status of ELF ABI.
22421 * i370.c: Fix misc spelling mistakes.
22422 (i370_label_scan): Updated notes, exception handling.
22423 (i370_function_prolog): Simplify ELF stack handling.
22424 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
22425 (STACK_GROWS_DOWNWARD): ELF stack grows down.
22426 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
22427 * i370.md: (movdi): Add notes.
22428 (floatsidf2): Use stack not rtca for scratch float area.
22429 (iorsi3): Correct operand constraints.
22430 * x-oe: Restore TAROUTOPTS which are used by pax.
22432 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
22434 * rs6000.c: Include ggc.h.
22435 (rs6000_add_gc_roots): New function.
22436 (override_options): Call it.
22438 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
22440 * alpha.h (alpha_compare): New.
22441 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
22442 * alpha.c: Likewise for the definitions.
22443 (alpha_emit_conditional_branch): Update for alpha_compare.
22444 (alpha_emit_conditional_move): Likewise.
22445 * alpha.md (cmpdf, cmpdi): Likewise.
22446 (setcc patterns): Likewise. Zero alpha_compare after use.
22447 (sne): Optimize (x != 0) into (0U < x).
22449 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
22451 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
22452 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
22453 (INIT_EXPANDERS): Remove.
22454 * alpha.c: Include ggc.h.
22455 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
22456 (alpha_init_machine_status, alpha_mark_machine_status): New.
22457 (override_options): Install them.
22458 (struct machine_function): Moved to alpha.h.
22459 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
22460 (alpha_init_expanders): Remove.
22461 (alpha_return_addr): Adjust to use current_function->machine.
22462 (alpha_ra_ever_killed): Likewise.
22463 (alpha_expand_epilogue): Likewise.
22464 * alpha.md (eh_epilogue): Likewise.
22466 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
22467 Melissa O'Neill <oneill@cs.sfu.ca>
22468 Geoffrey Keating <geoffk@cygnus.com>
22470 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
22471 call-used registers (call-saved registers must still be contiguous
22472 and end with r31, of course).
22474 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
22476 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
22477 (self_promoting_type_p): Delete.
22478 (self_promoting_args_p): Move ...
22479 * c-common.c: ... here.
22480 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
22481 (simple_type_promotes_to): New.
22482 * builtins.c (lang_type_promotes_to): New.
22483 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
22484 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
22485 * c-common.h: ... here.
22486 (self_promoting_args_p, simple_type_promotes_to): Declare.
22487 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
22488 (grokdeclarator): Likewise.
22489 * tree.h (lang_type_promotes_to): Declare.
22491 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
22493 Add some machine-dependent GC roots.
22494 * sparc.c: Include ggc.h.
22495 (sparc_add_gc_roots): New function.
22496 (mark_ultrasparc_pipeline_state): Likewise.
22497 (override_options): Call sparc_add_gc_roots.
22498 * pa.c: Include ggc.h.
22499 (pa_add_gc_roots): New function.
22500 (mark_deferred_plabels): Likewise.
22501 (override_options): Call pa_add_gc_roots.
22502 * mips.c: Include ggc.h.
22503 (mips_add_gc_roots): New function.
22504 (override_options): Use it.
22506 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22508 * cpperror.c (cpp_file_line_for_message): Constify a char*.
22510 * cppexp.c (parse_number, parse_charconst, cpp_lex,
22511 cpp_parse_expr): Add static prototypes.
22512 (parse_charconst): Don't cast away const-ness.
22513 (token): Constify a char*.
22515 * cppfiles.c (file_name_list, include_hash, find_include_file,
22516 finclude, initialize_input_buffer): Constify a char*.
22517 (file_cleanup, find_position): Add static prototypes.
22519 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
22520 collect_expansion): Add static prototypes.
22521 (cpp_install, create_definition, monthnames): Constify a char*.
22523 * cpphash.h (cpp_install): Likewise.
22525 * cppinit.c (known_suffixes, default_include,
22526 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
22527 (base_name, dump_special_to_buffer, initialize_dependency_output):
22528 Add static prototypes.
22530 * cpplib.c (my_strerror): Constify a char*.
22531 (null_underflow, null_cleanup, skip_comment, copy_comment,
22532 copy_rest_of_line, handle_directive, pass_thru_directive,
22533 get_directive_token, read_line_number, cpp_print_file_and_line,
22534 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
22535 v_cpp_warning_with_line, detect_if_not_defined,
22536 consider_directive_while_skipping): Add static prototypes.
22537 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
22538 cpp_pedwarn_with_file_and_line): Constify a char*.
22540 * cpplib.h (cpp_options, include_hash, progname, definition,
22541 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
22542 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
22543 find_include_file, deps_output, include_hash): Constify a char*.
22545 * cppmain.c (progname): Constify.
22546 (main): Add prototype. Use return, not exit.
22548 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
22549 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
22550 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
22551 check_protection): Add static prototype.
22553 (progname, recognized_macrom, recognized_extern): Constify a char*.
22554 (main): Add prototype.
22556 * gen-protos.c (progname): Constify a char*.
22558 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
22560 * emit-rtl.c (free_emit_status): Take decl as a parameter.
22561 (init_emit_once): Add more GC roots.
22562 * except.c (mark_func_eh_entry): New function.
22563 (mark_eh_node): Mark false_label and rethrow_label.
22564 (init_eh): Add more GC roots.
22565 * function.c (free_after_compilation): Take decl as a paramter.
22566 Call free_stmt_status.
22567 (mark_function_state): Don't assume x_parm_reg_stack_loc is
22569 * function.h (free_after_compilation): Change prototype.
22570 (free_varasm_status): Likewise.
22571 (free_emit_status): Likewise.
22572 (free_stmt_status): New function.
22573 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
22574 Remove, replacing with ...
22575 (ggc_status): New structure.
22576 (ggc_chain): New variable.
22577 (init_gcc): Define.
22578 (ggc_push_context): New function.
22579 (ggc_pop_context): Likewise.
22580 (ggc_alloc_rtx): Adjust for use of ggc_chain.
22581 (ggc_alloc_rtvec): Likewise.
22582 (ggc_alloc_tree): Likewise.
22583 (ggc_alloc_string): Likewise.
22584 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
22585 (ggc_mark_tree): Give language-dependent code a chance to mark
22587 (ggc_mark_tree_varray): Handle empty arrays.
22588 (ggc_collect): Adjust for use of ggc_chain. Clear
22589 bytes_alloced_since_last_gc.
22590 * ggc.h (ggc_pop_context): New function.
22591 (ggc_push_context): Likewise.
22592 * print-tree.c (print_node): Don't print obstacks when GC'ing.
22593 * stmt.c (free_stmt_status): New function.
22594 (init_stmt_for_function): Clear last_expr_value.
22595 * toplev.c (rest_of_compilation): Always call free_after_compilation.
22596 Conditionalize call to ggc_collect.
22597 (main): Call init_ggc.
22598 * tree.c (push_obstacks): Do the push, even when GC'ing.
22599 (push_obstacks_nochange): Likewise.
22600 (pop_obstacks): Liekwise.
22601 * varasm.c (free_varasm_status): Take decl as a parameter.
22603 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
22605 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
22606 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
22607 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
22608 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
22610 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
22612 * pa/x-pa-mpeix: New file for the MPE port.
22614 * pa/quadlib.asm: New file for long double support.
22616 * configure.in: Add hppa1.0-*-mpeix for MPE port.
22617 * configure: Rebuilt.
22619 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
22621 * final.c (shorten_branches): Fix last change.
22623 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
22625 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
22627 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
22629 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
22632 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22634 * c-aux-info.c (concat): Don't define.
22636 * cccp.c (my_strerror): Likewise. All callers changed to use
22638 (do_include): Call xstrdup, not xmalloc/strcpy.
22639 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
22640 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
22642 * collect2.c (my_strsignal): Likewise. All callers changed to use
22644 (locatelib): Call xstrdup, not xmalloc/strcpy.
22646 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
22648 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
22650 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
22652 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
22654 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
22656 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
22658 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
22660 (find_all_handler_type_matches): Likewise. Don't check return
22662 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
22663 xmalloc, not malloc.
22664 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
22666 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
22667 (init_spec): Call xcalloc, not xmalloc/bzero.
22668 (set_spec): Call xstrdup, not save_string.
22669 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
22670 (find_a_file): Call xstrdup, not xmalloc/strcpy.
22671 (process_command): Call xstrdup, not save_string.
22672 (main): Call xcalloc, not xmalloc/bzero.
22674 * gcov.c (xmalloc): Don't define.
22675 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
22676 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
22677 (output_data): Call xcalloc, not xmalloc/bzero.
22679 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
22681 * mips-tdump.c (xmalloc): Don't define.
22682 (print_symbol): Call xmalloc, not malloc.
22683 (read_tfile): Call xcalloc, not calloc.
22685 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
22686 Don't define. All callers of xfree/my_strsignal changed to use
22687 free/strsignal instead.
22688 (allocate_cluster): Call xcalloc, not calloc.
22690 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
22691 Fix memory leak, free allocated memory.
22693 * prefix.c (translate_name): Call xstrdup, not save_string.
22694 (update_path): Likewise.
22696 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
22698 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
22699 Don't define. Callers of xfree/savestring2 changed to use
22700 free/concat instead.
22702 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
22703 (init_elim_table): Likewise.
22705 * resource.c (init_resource_info): Likewise.
22707 * stupid.c (stupid_life_analysis): Likewise.
22709 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
22710 (open_dump_file): Call concat, not xmalloc/strcpy/...
22711 (clean_dump_file): Likewise.
22712 (compile_file): Call xstrdup, not xmalloc/strcpy.
22714 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
22716 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
22717 * v850.c (v850_va_arg): New.
22719 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22721 * haifa-sched.c: Tidy comments.
22723 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22725 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
22726 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
22727 $(out_object_file)): Depend on ggc.h.
22728 * c-common.c: Include "ggc.h".
22729 (combine_strings): If doing GC, use ggc_alloc_string.
22730 * c-decl.c: Include "ggc.h".
22731 (ggc_p): Define with value 0.
22732 (mark_binding_level): New function.
22733 (init_decl_processing): Add GC roots.
22734 (mark_c_function_context): New function.
22735 (lang_mark_false_label_stack): New function.
22736 (lang_mark_tree): New function.
22737 (lang_cleanup_tree): New function.
22738 * c-lang.c: Include "ggc.h".
22739 (lang_init): Call c_parse_init.
22740 * c-lex.c: Include "ggc.h".
22741 (check_linenum): If doing GC, don't copy filenames to permanent
22743 * c-parse.in: Include "ggc.h".
22744 (c_parse_init): New function.
22745 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
22746 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
22748 * except.c (mark_eh_state): Mark more state.
22749 * function.c (mark_function_state): Likewise.
22750 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
22751 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
22752 * toplev.c (mark_file_stack): New function.
22753 (compile_file): If doing GC, use ggc_alloc_string on input filename.
22754 (main): Add root for input_file_stack.
22756 * i386.c: Include "ggc.h".
22757 (ix86_mark_machine_status): New function.
22758 (override_options): Set mark_machine_status.
22760 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22762 * tree.c (copy_node): Copy node contents also if doing GC.
22764 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22766 * collect2.c (scan_libraries): Fix double-thinko :-).
22768 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
22770 * collect2.c (scan_libraries): Fix thinko.
22772 * cse.c (delete_trivially_dead_insns): Do not skip the last
22773 insn if it is a real insn.
22775 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
22777 * Makefile.in (ggc-simple.o): Depend on hash.h.
22778 * ggc.h (ggc_add_tree_hash_table_root): Declare.
22779 (ggc_mark_tree_varray): Likewise.
22780 (ggc_mark_tree_hash_table): Likewise.
22781 * ggc-simple.c: Include hash.h.
22782 (ggc_mark_tree_hash_table_ptr): New function.
22783 (ggc_mark_tree_hash_table_entry): Likewise.
22784 (ggc_mark_tree_hash_table): Likewise.
22785 (ggc_add_tree_hash_table_root): Likewise.
22786 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
22787 rtx, when defining fields.
22789 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22791 * profile.c (output_func_start_profiler): Remove apparently
22792 nonsensical call to start_sequence.
22794 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
22796 * clipper/clipper.c (clipper_va_start): Fix typos.
22798 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
22799 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
22800 (spur_va_arg): New stub.
22802 * configure.in: Comment out pyramid.
22804 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
22806 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
22807 don't conflict with the bits that win32, cygwin, and dgux
22810 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
22811 Bernd Schmidt <bernds@cygnus.co.uk>
22813 * integrate.c (function_cannot_inline_p): Do not inline
22814 functions with forced labels.
22816 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
22817 Bernd Schmidt <bernds@cygnus.co.uk>
22818 Mark Mitchell <mark@codesourcery.com>
22820 * Makefile.in (ggc-simple.o): Depend on varray.h.
22821 (rtl.o): Depend on ggc.h.
22822 (genattrtab.o): Depend on ggc.h.
22823 (print-tree.o): Likewise.
22824 (fold-const.o): Likewise.
22825 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
22826 (make_insn_raw): Don't cache insns when GC'ing.
22827 (emit_insn_before): Likewise.
22828 (emit_insn_after): Likewise.
22829 (emit_insn): Likewise.
22830 (start_sequence): Use xmalloc to allocate the sequence_stack.
22831 (end_sequence): Add free to free it.
22832 (gen_sequence): Don't cache insns when GC'ing.
22833 (clear_emit_caches): Don't use sequence_element_free_list.
22834 (init_emit): Use xcalloc, not xmalloc+bzero.
22835 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
22836 * function.c (pop_function_context_from): Use free to free the
22837 fixup_var_refs_queue.
22838 (put_reg_into_stack): Allocate it with xmalloc.
22839 * genattrtab.c: Include ggc.h.
22840 (operate_exp): Don't use obstack_free when GC'ing.
22841 (simplify_cond): Likewise.
22842 (simplify_text_exp): Likewise.
22843 (optimize_attrs): Likewise.
22844 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
22846 (gencode): Generate a #include for ggc.h.
22847 * ggc-callbacks.c (ggc_p): Define it to zero.
22848 * ggc-none.c (ggc_p): Likewise.
22849 * ggc-simple.c: Include varray.h.
22850 (ggc_mark_tree_varray): New function.
22851 (ggc_add_tree_varray_root): Likewise.
22852 (ggc_mark_tree_varray_ptr): Likewise.
22853 * ggc.h (ggc_p): Declare.
22854 (varray_head_tag): Likewise.
22855 (ggc_add_tree_varray_root): Declare.
22856 * print-tree.c (print_node): Don't check for TREE_PERMANENT
22857 inconsistencies when GC'ing.
22858 * rtl.c: Include ggc.h.
22859 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
22860 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
22861 (rtx_free): Don't call obstack_free when GC'ing.
22862 * toplev.c (rest_of_compilation): Call ggc_collect after every
22864 * tree.c (push_obstacks): Do nothing, if GC'ing.
22865 (pop_obstacks_nochange): Likewise.
22866 (pop_obstacks): Likewise.
22867 (make_node): Use ggc_alloc_tree when GC'ing.
22868 (copy_node): Likewise.
22869 (get_identifier): Use ggc_alloc_string when GC'ing.
22870 (build_string): Likewise.
22871 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
22872 (tree_cons): Likewise.
22873 (build1): Likewise.
22874 (type_hash_canon): Don't call obstack_free when GC'ing.
22876 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
22878 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
22879 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
22881 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
22882 Bernd Schmidt <bernds@cygnus.co.uk>
22883 Mark Mitchell <mark@codesourcery.com>
22885 * Makefile.in (stor-layout.o): Depend on ggc.h.
22886 (expr.o): Depend on ggc.h.
22887 (profile.o): Depend on ggc.h.
22888 (stor-layout.o): Depend on ggc.h.
22889 * emit-rtl.c (init_emit_once): Add gc roots.
22890 * expr.c: Include ggc.h.
22891 (emit_block_move): Add gc roots.
22892 (clear_storage): Likewise.
22893 * expr.h (init_stor_layout_once): New function.
22894 * profile.c: Include ggc.h.
22895 (init_arc_profiler): profiler_label is a root.
22896 * scan.c (make_sstring_space): Trust xrealloc to function
22897 correctly with first parameter NULL.
22898 * stor-layout.c: Include ggc.h.
22899 (set_sizetype): Add gc root.
22900 (init_stor_layout_once): New function.
22901 * toplev.c (compile_file): Call it.
22903 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
22904 Bernd Schmidt <bernds@cygnus.co.uk>
22905 Mark Mitchell <mark@codesourcery.com>
22907 * Makefile.in (tree.o): Depend on ggc.h.
22908 (varasm.o): Likewise.
22909 (function.o): Likewise.
22910 (stmt.o): Likewise.
22911 (except.o): Likewise.
22912 (optabs.o): Likewise.
22913 (emit-rtl.o): Likewise.
22914 * emit-rtl.c: Include ggc.h.
22915 (sequence_element_free_list): Remove, and all references.
22916 (mark_sequence): New functions.
22917 (mark_emit_state): New function.
22918 * except.c: Include ggc.h.
22919 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
22920 (mark_tree_label_node): New functions.
22921 (mark_eh_state): New function.
22922 * function.c: Include ggc.h.
22923 (mark_temp_slot, mark_function_chain): New functions.
22924 (mark_function_state): New function.
22925 (init_function_once): New function.
22926 * function.h (init_function_once): New function.
22927 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
22928 * ggc.h (label_node): Declare.
22929 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
22930 (lang_mark_false_label_stack): New function.
22931 (mark_temp_slot): Remove declaration.
22932 (mark_function_chain): Likewise.
22933 (mark_eh_state): Adjust prototype.
22934 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
22936 * optabs.c: Include ggc.h.
22937 (mark_optab): New function.
22938 (init_optabs): Add gc roots.
22939 * stmt.c: Include ggc.h.
22940 (mark_cond_nesting, mark_loop_nesting): New functions.
22941 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
22942 (mark_stmt_state): New function.
22943 * toplev.c (compile_file): Call init_function_once.
22944 * tree.c: Include ggc.h.
22945 (type_hash): Move declaration earlier in file.
22946 (TYPE_HASH_SIZE, type_hash_table): Likewise.
22947 (init_obstacks): Add gc roots.
22948 (mark_type_hash): New function.
22949 * varasm.c: Include ggc.h.
22950 (mark_pool_constant): New function.
22951 (mark_varasm_state): New function.
22953 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22955 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
22957 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22959 * c-decl.c (struct language_function): Renamed from struct c_function.
22961 (c_function_chain): Delete.
22962 (push_c_function_context): New arg F. Don't warn about nested
22963 functions here. Fill LANGUAGE elt of F. Delete code to update
22964 c_function_chain. Don't call push_function_context.
22965 (pop_c_function_context): New arg F. Restore from there instead of
22966 from c_function_chain. Don't call pop_function_context. Clear out
22967 LANGUAGE field of F when done.
22968 * c-lang.c: Include "function.h"
22969 (lang_init): Initialize save_lang_status and restore_lang_status.
22970 * c-parse.in (nested_function, nested_function_notype): Warn about
22971 nested functions. Call push_function_context/pop_function_context
22972 instead of the _c_ variants.
22973 * c-tree.h (push_c_function_context, pop_c_function_context): Update
22975 * Makefile.in (c-lang.o): Update dependencies.
22977 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
22978 regno_pointer_flag, regno_pointer_align.
22979 (gen_reg_rtx): Use xrealloc to enlarge them.
22980 (free_emit_status): New function.
22981 * function.c (mark_machine_status, mark_lang_status): New variables.
22982 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
22983 in some bits from assign_stack_local. All callers changed to use new
22985 (assign_stack_local): Just call assign_stack_local_1.
22986 (free_after_compilation): New function.
22987 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
22988 (trampoline_address): Likewise.
22989 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
22990 (prepare_function_start): Explicitly clear some more variables.
22991 * function.h (struct function): New elt can_garbage_collect.
22992 (mark_machine_status, mark_lang_status): Declare variables.
22993 (free_after_compilation, free_emit_status, free_varasm_status,
22994 init_varasm_status): Declare functions.
22995 * toplev.c (rest_of_compilation): Call free_after_compilation when
22996 done with the current function.
22997 * varasm.c (free_varasm_status): New function.
22999 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
23001 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
23002 (EXPAND_BUILTIN_VA_ARG): Define.
23003 * sparc.c (sparc_va_start): New.
23004 (sparc_va_arg): New.
23006 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23008 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
23010 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23012 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
23014 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
23016 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
23017 (OBJS): Add $(GGC).
23018 (ggc-callbacks.o): New target.
23019 * ggc-callbacks.c: New file.
23021 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23023 * expr.h: Collapse individual optab and libfunc vars to arrays.
23024 (optab_index, libfunc_index): New enumerations.
23025 (optab_table, libfunc_table): New arrays.
23026 Add accessor macros for both.
23028 * optabs.c (optab_table, libfunc_table): New.
23029 Delete declarations for individual optab and libfunc vars.
23031 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
23033 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
23035 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
23037 * Makefile.in (GGC, GGC_LIB): New.
23038 (HOST_RTL): Include ggc-none.o.
23039 (ggc-simple.o): New target.
23040 (ggc-none.o): Likewise.
23041 * tree.h (tree_common): Add gc_mark.
23042 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
23043 (struct rtvec_def): Add gc_mark.
23044 * emit-rtl.c (global_rtl): Update static initializers to contain
23045 enough initializers.
23046 * ggc.h, ggc-none.c, ggc-simple.c: New files.
23047 * toplev.c (gc_time): New variable.
23048 (all_time): New variable.
23049 (compile_file): Print gc time.
23050 (print_time): Calculate percentage of the whole.
23052 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23054 Change obstack memory management and varasm constant pool handling so
23055 that nested functions are treated like any other functions.
23056 * function.c (init_machine_status): New variable.
23057 (push_function_context_to): Set contains_functions for the outer
23058 function. Don't call save_varasm_status.
23059 (pop_function_context_from): Don't call restore_varasm_status. Don't
23060 set current_function_contains_functions.
23061 (prepare_function_start): Call init_varasm_status rather than
23062 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
23064 * function.h (struct function) Add field varasm. Delete fields
23065 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
23066 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
23067 (init_machine_status): Declare.
23068 (save_varasm_status, restore_varasm_status): Delete declarations.
23069 (save_tree_status, restore_tree_status): Delete last argument.
23070 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
23071 code. All callers changed.
23072 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
23073 save_constants_in_decl_trees, restore_constants, save_constants,
23074 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
23076 (inlining): New variable.
23077 (reg_map, label_map, insn_map, orig_asm_operands_vector,
23078 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
23080 (save_for_inline_nocopy): Don't save constants.
23081 Don't set inl_emit field in current_function.
23082 (expand_inline_function): Use emit field, not inl_emit, of the inlined
23083 function. Set new variable inlining before
23084 calling copy_rtx_and_substitute.
23085 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
23086 constant pool references if inlining is nonzero.
23087 Delete ADDRESS and (most of the) CONST cases.
23088 (output_inline_function): Save and restore current_function/
23089 current_function_decl. Delete restore_constants code. Don't call
23090 init_const_rtx_hash_table.
23091 * output.h (init_const_rtx_hash_table): Don't declare.
23092 * rtl.h (struct function): Declare.
23093 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
23094 * toplev.c (rest_of_compilation): Don't treat nested functions or
23095 functions containing them specially. Delete all code to deal with
23096 save_for_inline_copying.
23097 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
23098 inline_obstacks): Delete variables.
23099 (save_tree_status): Lose arg CONTEXT. All callers changed.
23100 Simply allocate a new function_maybepermanent_obstack for the new
23101 function, delete all the special cases.
23102 Don't save inline_obstacks.
23103 (restore_tree_status): Lose arg CONTEXT. All callers changed.
23104 Delete special handling for function_maybepermanent_obstack; simply
23106 Don't restore inline_obstacks.
23107 (permanent_allocation): Delete code that frees inline_obstacks.
23108 (print_inline_obstack_statistics): Delete function.
23109 (dump_tree_statistics): Don't call it.
23110 * varasm.c (struct varasm_status): New.
23111 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
23112 last_pool, pool_offset, const_double_chain): Delete global
23113 variables, replace with accessor macros.
23114 (immed_double_const): Don't walk const_double_chain outside a
23115 function, but don't treat nested functions specially anymore.
23116 (immed_real_const_1): Likewise.
23117 (clear_const_double_mem): Don't treat nested functions specially.
23118 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
23119 (save_varasm_status, restore_varasm_status): Delete functions.
23120 (init_varasm_status): New function.
23121 (force_const_mem): Don't treat nested functions specially.
23122 (find_pool_constant): Accept new arg F, search for constants in
23123 that function's pool rather than the current one. All callers
23125 (get_pool_constant_for_function, get_pool_mode_for_function): New
23128 * i386.c (init_386_machine_status): New function, mostly from
23129 clear_386_stack_locals.
23130 (struct machine_functions): Rename element names to avoid name
23132 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
23133 macros, replacing global variables.
23134 (clear_386_stack_locals, save_386_machine_status,
23135 restore_386_machine_status): Delete functions.
23136 (override_options): Initialize init_machine_status.
23137 * i386.h (INIT_EXPANDERS): Delete macro.
23138 (save_386_machine_status, restore_386_machine_status,
23139 clear_386_stack_locals): Delete declarations.
23141 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23143 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
23144 (doloop_begin): Simplify pattern and use emit_jump_insn.
23145 (doloop_end): Simplify pattern, switch operand order,
23146 and use emit_jump_insn.
23148 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23150 * function.h (struct function): Add new element LANGUAGE.
23151 (save_lang_status): Declare new variable.
23152 (restore_lang_status): Likewise.
23153 * function.c (save_lang_status): Define.
23154 (restore_lang_status): Likewise.
23155 (push_function_context_to): Call language-specific save function.
23156 (pop_function_context_from): Call language-specific restore function.
23158 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23160 * i386.md (movsf_1): Check REG_P before use of REGNO.
23161 (movdf_1): Likewise.
23162 (movxf_1): Likewise.
23163 (extendsfdf2): Likewise.
23164 (extendsfxf2): Likewise.
23165 (extenddfxf2): Likewise.
23167 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23169 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
23170 constants into memory.
23171 (c4x_shiftable_constant): New function.
23172 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
23173 (c4x_shiftable_constant): Declare.
23174 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
23175 ashlqi3_noclobber): Add new patterns and associated splitters.
23177 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
23179 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
23180 * dwarf2out.c (dwarf2out_frame_init): Likewise.
23181 * final.c (shorten_branches): Likewise.
23182 * global.c (global_alloc): Likewise.
23183 * haifa-sched.c (build_control_flow): Likewise.
23184 * stmt.c (check_for_full_enumeration_handling): Likewise.
23185 (estimate_case_costs): Likewise.
23187 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
23189 * rtl.h (RTL_CHECKC2): Fix typo in last change.
23191 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
23193 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
23194 (recompute_reg_usage): Likewise.
23195 * rtlanal.c (find_regno_fusage): Likewise.
23197 * rtl.c (rtl_check_failed_code1): New function.
23198 (rtl_check_failed_code2): New.
23199 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
23200 (RTL_CHECKC1, RTL_CHECKC2): New.
23201 (XC*): New accessor macros.
23202 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
23203 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
23204 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
23205 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
23206 (TRAP_*, RANGE_INFO_*): Likewise.
23208 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23210 * Makefile.in (tlink.o): Don't depend on toplev.h.
23212 * collect2.c (c_file, o_file, export_file, import_file, ldout,
23213 output_file, nm_file_name, ldd_file_name, strip_file_name,
23214 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
23215 add_prefix, prefix_from_env, prefix_from_string, do_wait,
23216 fork_execute, maybe_unlink, add_to_list,
23217 extract_init_priority, write_list, dump_list,
23218 dump_prefix_list, write_list_with_asm, write_c_file,
23219 write_c_file_stat, write_c_file_glob, scan_prog_file,
23220 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
23221 ignore_library, extract_string, notice, dump_file, target_machine,
23222 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
23223 read_file, print_load_command): Constify a char*.
23224 (fdopen, error, fatal, fatal_perror): Don't prototype.
23225 (my_strerror): Remove. All callers use xstrerror instead.
23226 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
23227 (main): Add prototype. Constify lots of char* ptrs. Change calls
23228 to xcalloc/strcpy/strcat/... to one call to concat.
23229 (main, scan_prog_file, scan_libraries): Use an intermediate
23230 `const char **' to build an argv array.
23231 (mapfile, libselect, libcompare, locatelib): Add prototypes.
23233 * collect2.h (collect_execute, collect_wait, dump_file,
23234 file_exists): Constify a char*.
23235 (ldout, c_file_name, temporary_obstack, permanent_obstack,
23236 temporary_firstobj, vflag, debug): Add extern declarations.
23237 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
23239 * tlink.c: Don't include toplev.h.
23240 (vflag, debug, ldout, c_file_name, temporary_obstack,
23241 permanent_obstack, temporary_firstobj): Don't declare.
23242 (tlink_execute, frob_extension, symbol_hash_lookup,
23243 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
23244 recompile_files, read_repo_files, demangle_new_symbols,
23245 scan_linker_output): Constify a char*.
23246 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
23247 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
23249 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
23251 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
23252 (relative) rather than jsr (absolute) subroutine call insns.
23253 * config/m68k/m68k-coff.h: Ditto.
23255 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
23257 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
23258 now rework these too.
23259 (arm_reorg): If an insn can't reach the end of the current pool,
23260 ensure that we emit that pool before the insn.
23262 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
23264 * tlink.c (scan_linker_output): Skip the initial underscore in
23265 a mangled name if appropriate.
23267 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23269 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
23270 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
23271 error_with_ivar, gen_declarator, create_builtin_decl,
23272 my_build_string, generate_descriptor_table, generate_ivars_list,
23273 generate_dispatch_table, check_protocols, TAG_GETCLASS,
23274 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
23275 dump_base_name, lang_decode_option, build_encode_expr,
23276 start_class, finish_class, encode_pointer, really_start_method,
23277 gen_declaration, dump_interface, handle_class_ref, handle_impent):
23279 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
23280 Add static prototypes.
23281 (build_objc_string_decl, build_selector_reference_decl,
23282 encode_bitfield, build_class_reference_decl): Remove unused
23283 parameter, all callers changed.
23284 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
23285 (objc_printable_name): Likewise. Change second parameter to type int.
23286 (init_objc): Use memcpy, not bcopy, to avoid casts.
23288 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
23290 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
23291 reg notes on a deleted insn.
23292 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
23294 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
23296 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
23298 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23300 * stmt.c (expand_asm_operands): Fix index into inout_mode when
23303 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
23305 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
23306 * tm.texi (MD_ASM_CLOBBERS): Document it.
23308 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
23310 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
23311 * except.c (expand_rethrow): Remove unused variable.
23312 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
23313 * flow.c (replace_insns): Likewise.
23314 (create_edge_list, verify_edge_list): Likewise.
23315 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
23317 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
23318 is special code to run.
23319 (main): Don't define operands to emit_operand.
23320 * genrecog.c (main): Don't emit an empty peephole2_insn function.
23322 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
23324 * alpha/alpha.h (normal_memory_operand): Declare.
23325 (reg_no_subreg_operand): Declare.
23326 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
23328 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
23330 * c-parse.in (compstmt_primary_start): New, broken out of first
23331 part of compstmt handling in primary.
23332 (primary): Use it. Add an error clause.
23333 (compstmt_nostart): Renamed from compstmt; remove all
23334 initial invocations of compstmt_start.
23337 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
23339 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
23342 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
23344 * combine.c (simplify_shift_const): Remove extra semicolon.
23345 * dwarf2out.c (remove_AT): Likewise.
23346 * expmed.c (expand_mult): Likewise.
23347 * gcov.c (create_program_flow_graph): Likewise.
23348 * reorg.c (mostly_true_jump): Likewise.
23350 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
23352 * fold-const.c (fold_range_test): Do not try to fold the range
23353 test if the rhs or lhs has side effects.
23355 * combine.c (simplify_rtx): Recognize another case of a synthesized
23358 * varasm.c (mark_constant_pool): When marking indirect references,
23359 only look at SYMBOL_REFs.
23361 * except.c (expand_fixup_region_end): Do not peek at
23362 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
23364 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
23366 * flags.h: New variables align_loops, align_loops_log,
23367 align_jumps, align_jumps_log, align_labels, align_labels_log,
23368 align_functions, align_functions_log.
23369 * toplev.c: Define them.
23370 (f_options): Handle -falign-* when they have no argument.
23371 (main): Add logic to set variables for -falign-functions,
23372 -falign-jumps, -falign-labels, -falign-loops.
23373 Make it -fsched-verbose=<n> and -finline-limit=<n>.
23374 (display_help): Change help to match options.
23375 * final.c (LABEL_ALIGN): Default to align_labels_log.
23376 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
23377 (LOOP_ALIGN): Default to align_loops_log.
23378 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
23379 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
23380 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
23381 * varasm.c (assemble_start_function): Handle align_functions.
23383 * config/sparc/sparc.h: Don't declare sparc_align_*.
23384 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
23385 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
23387 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
23389 * config/sparc/sparc.c: Delete sparc_align_loops,
23390 sparc_align_jumps, sparc_align_funcs and the corresponding string
23392 (sparc_override_options): Default align_functions on ultrasparc.
23393 Delete -malign-* handling.
23395 * config/mips/mips.c (override_options): On 64-bit targets,
23396 try to align code to 64-bit boundaries.
23397 (print_operand): New substitution, %~,
23398 which aligns labels to align_labels_log.
23399 * config/mips/mips.md (div_trap_normal): Use %~.
23400 (div_trap_mips16): Likewise.
23402 (absdi2): Likewise.
23403 (ffssi2): Likewise.
23404 (ffsdi2): Likewise.
23405 (ashldi3_internal): Likewise.
23406 (ashrdi3_internal): Likewise.
23407 (lshrdi3_internal): Likewise.
23408 (casesi_internal): Likewise.
23410 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
23412 Merge new ia32 backend from the branch!
23414 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
23415 See ChangeLog.P2 on new_ia32_branch for details.
23417 * rtl.h (stack_regs_mentioned_p): Delete prototype.
23418 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
23419 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
23420 * i386/gas.h (ASM_FILE_START): Define.
23421 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
23422 for name change of ix86_valid_decl_attribute_p.
23423 (i386_pe_valid_type_attribute_p): Similarly.
23425 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
23427 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
23428 to step through CC modes.
23430 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23432 * regmove.c (fixup_match_1): Don't move INSN in front of P if
23433 it would end up in the shadow of a live flags regsiter.
23435 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23437 * reload1.c: Fix many indentation problems.
23438 * reload.c: Likewise.
23440 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
23442 * alias.c (non_local_reference_p): Constify fmt.
23444 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
23446 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
23448 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
23450 * cse.c (delete_trivially_dead_insns): Do not delete stores to
23451 the internal_arg_pointer.
23453 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
23455 Merge peephole2 from new_ia32_branch:
23456 * Makefile.in (STAGESTUFF): Add *.peephole2.
23457 (mostlyclean): Likewise.
23458 (recog.o): Depend on resource.h.
23460 * final.c (peephole): Conditionalize decl on HAVE_peephole.
23461 (final_scan_insn): Likewise for the invocation of peephole.
23462 * genconfig.c (main): Look for peephole and peephole2 patterns.
23463 Emit HAVE_peephole* accordingly.
23464 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
23465 * flags.h (flag_peephole2): Declare.
23466 * toplev.c: New pass peephole2. New flag -fpeephole2.
23468 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
23469 * gencodes.c (main): Likewise.
23470 * genextract.c (main): Likewise.
23471 * genoutput.c (main): Likewise.
23472 * genemit.c (max_operand_1): Look for the max scratch operand.
23473 (gen_rtx_scratch): New.
23474 (gen_exp): Use it, and pass on new arg subroutine_type.
23475 (gen_expand): Take max scratch into account.
23476 (gen_split): Emit peephole2 functions.
23477 (output_peephole2_scratch): New.
23478 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
23479 * genrecog.c (routine_type): Add PEEPHOLE2.
23481 (make_insn_sequence): Match outer parallel for peep2. Discard
23482 top level scratches and dups.
23483 (add_to_sequence): New args insn_type and top. Update all callers.
23484 Handle toplevel peep2 matching insns.
23485 (write_subroutine): Handle peep2.
23486 (write_tree_1): Likewise.
23487 (write_tree): Likewise.
23489 (change_state): New arg afterward. Update all callers.
23490 Handle matching separate insns.
23491 * recog.c (recog_next_insn): New.
23492 (peephole2_optimize): New.
23493 * rtl.def (DEFINE_PEEPHOLE2): New.
23494 * resource.c (find_free_register): New argument last_insn. Use it
23495 to find a register available through the entire span.
23496 * resource.h (find_free_register): Update prototype.
23498 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
23500 * i386.c (output_strlen_unroll): Don't write xops[7]
23501 label if it wasn't set.
23503 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
23505 * cpplib.c (struct directive): Const-ify name pointer and
23506 function pointer prototype.
23507 (validate_else, do_define, do_line, do_include, do_undef,
23508 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
23509 do_elif, do_endif, do_sccs, do_assert, do_unassert,
23510 do_warning): Const-ify second arg.
23511 (directive_table): Mark const. Reorder entries by frequency
23512 of usage, record statistics.
23514 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
23516 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
23517 bounds- check RTL accesses if --enable-checking.
23518 (RTVEC_ELT): Bounds check if --enable-checking.
23519 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
23520 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
23521 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
23523 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
23524 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
23526 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
23527 (NOTE_SOURCE_FILE): Use X0STR.
23528 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
23529 MEM_ALIAS_SET): Use X0INT.
23530 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
23531 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
23533 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
23534 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
23535 (rtl_check_failed_bounds, rtl_check_failed_type1,
23536 rtl_check_failed_type2, rtvec_check_failed_bounds): New
23538 (fancy_abort): Fix comment.
23540 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
23541 (cse_insn): Decrement LABEL_NUSES for jump target before
23542 deleting jump insn.
23543 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
23544 * final.c (alter_subreg): Compute regno before changing x to
23545 REG; set REGNO(x) after changing it.
23546 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
23547 notes containing CONST_INTs.
23548 (delete_eh_regions): Use NOTE_EH_HANDLER.
23549 * function.c (put_reg_into_stack): Make reg a MEM before
23551 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
23553 (gen_mem_addressof): Make reg a MEM before initializing it.
23554 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
23556 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
23557 deleting an insn, not after.
23558 (block_alloc): Only look at PATTERN(insn) if we have to, and
23559 only if it's format class 'i'.
23560 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
23561 CONST_INT before using its INTVAL.
23562 * print-rtl.c (print_rtx): Use X0STR.
23563 * regmove.c (fixup_match_1): Don't look at PATTERN of
23564 non-class-'i' insn chain elements.
23565 * reload.c (loc_mentioned_in_p): Take address of
23566 in->fld[1].rtx directly.
23567 * reload1.c (reload): Change reg to a MEM before initializing
23569 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
23571 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
23573 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
23575 * config/mips/mips.c (machine_dependent_reorg): Force a
23576 barrier to output the local constant pool if a barrier hasn't
23577 been found at a natural point in the instruction stream.
23579 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23581 * c-parse.in (language_string): Constify.
23583 * dwarf2out.c (language_string): Remove declaration.
23585 * dwarfout.c (language_string): Likewise.
23587 * toplev.c (language_string, init_parse, finish_parse): Likewise.
23589 * tree.h (language_string, init_parse, finish_parse): Declare.
23591 * i386/sun386.h (language_string): Remove declaration.
23593 * mips.h (language_string): Likewise.
23595 * nextstep.h (language_string): Likewise.
23597 * nextstep21.h (language_string): Likewise.
23599 * rs6000.c (language_string): Likewise.
23601 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23603 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
23604 (getpwd.o): Remove target.
23606 * getpwd.c: Delete file. Its in libiberty now.
23608 * dbxout.c (getpwd): Don't prototype.
23609 * dwarf2out.c (getpwd): Likewise
23610 * dwarfout.c (getpwd): Likewise
23611 * final.c (getpwd): Likewise.
23612 * protoize.c (getpwd): Likewise.
23614 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23616 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
23618 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
23620 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
23621 mark_set_resources.
23623 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
23625 * fixinc/Makefile.in (subdir): New.
23626 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
23629 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
23631 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
23632 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
23635 * invoke.texi: Fix typo.
23637 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
23638 changed. Handle autoincrement addressing modes.
23640 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
23641 just like we would the virtual incoming args register when
23644 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
23646 * rs6000.h (ASM_FILE_START): Specify complete filename, including
23647 path, in .file directive.
23649 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
23651 * gcc.texi (External Bugs): Remove obsolete note about Perl on
23654 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
23656 * stdbool.h: Make the typedef name _Bool, with bool a #defined
23659 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23661 * tree.c (tree_code_name): Constify a char*.
23663 * tree.h (tree_code_name, decl_printable_name): Likewise.
23665 * function.h (struct function): Likewise.
23667 * toplev.c (decl_name, decl_printable_name): Likewise.
23669 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
23671 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
23672 (init_objc): Remove function pointer cast.
23674 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23676 * pa.md (interspace_jump): New pattern.
23677 (builtin_longjmp): New expander.
23679 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
23681 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
23682 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
23683 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
23685 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
23687 * jump.c (delete_prior_computation): Also check calls
23688 to constant functions. Don't bother checking for a
23689 REG_UNUSED note before adding it.
23690 (delete_computation): Handle multi-word hard registers
23691 when synthesizing missing REG_DEAD notes for a register
23692 which is both set and used by an insn.
23694 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23696 * loop.c (this_loop_info): New variable.
23697 (loop_has_call, loop_has_volatile, loop_has_tablejump,
23698 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
23700 (prescan_loop, strength_reduce): New argument loop_info. All callers
23702 (scan_loop): New variable loop_info, initialise to address of
23704 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
23705 Delete variable loop_has_multiple_exit targets and replace with
23706 field in this_loop_info.
23707 (find_and_verify_loops): Rename this_loop to this_loop_num.
23708 (strength_reduce): Delete loop_iteration_info. Replace variable
23709 loop_info with function argument of same name.
23710 (insert_bct): Rework test for loop being completely unrolled.
23712 * loop.h (struct loop_info): New fields num, loops_enclosed,
23713 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
23714 has_indirect_jump, and cont. Redefine use of unroll_number.
23715 (loop_unroll_number): Delete.
23717 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
23718 field of loop_info.
23719 (loop_iterations): Delete variable vtop and instead use
23720 loop_info->vtop computed in prescan_loop.
23722 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
23724 * fix-header.c (main): Do not pass a null pointer to strcmp.
23726 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
23728 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
23730 * configure: Rebuilt.
23732 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
23734 * jump.c (jump_optimize_1): Do not delete assignments to
23735 internal_arg_pointer.
23736 * cse.c (delete_trivially_dead_insns): Always consider a set of
23737 the internal_arg_pointer live.
23739 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
23741 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
23742 (update_life_info) [REG_WAS_0]: Search the original insns rather
23743 than the new insns for the note. Fix typos finding note_dest.
23744 If no dest found, discard the note rather than abort.
23745 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
23746 (replace_insns): Remove the old insn list after update_life_info
23749 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
23751 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
23752 sched_analyze_insn.
23753 (sched_analyze_1): Let add_dependence care for not adding dups.
23754 (sched_analyze_2): Likewise.
23755 (add_branch_dependences): Likewise.
23757 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
23759 * i386/winnt.c (export_list): New type.
23760 (exports_head): Rename to
23761 (export_head): this.
23762 (i386_pe_record_exported_symbol): Add is_data flag.
23763 (i386_pe_asm_file_end): Emit directive for exported variables.
23764 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
23766 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
23767 (ASM_DECLARE_OBJECT_NAME): Likewise.
23768 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23769 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
23771 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
23773 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
23775 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
23778 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
23780 * config/openbsd.h: Define SET_ASM_OP.
23781 * tm.texi: cross-reference SET_ASM_OP in the index.
23783 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
23785 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
23786 for a CONST_DOUBLE, at compile time. Initialize rtx_length
23787 and class_narrowest_mode at compile time. Kill init_rtl.
23788 Mark rtx_length, mode_class, mode_size, mode_unit_size,
23789 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
23790 rtx_format as const. Kill all references to EXTRA_CC_MODES or
23792 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
23794 * rtl.h: Declare rtx_length and rtx_format as const.
23795 * machmode.def: Define CC(). Use CC() to define CCmode. If
23796 EXTRA_CC_MODES is defined, expand it here.
23797 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
23798 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
23799 const. Kill all references to EXTRA_CC_MODES.
23801 * toplev.c: Don't prototype or call init_rtl.
23802 * optabs.c: Don't call init_mov_optab.
23803 * genemit.c: Don't generate init_mov_optab. Don't call
23805 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
23807 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
23808 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
23809 genrecog.c: Don't call init_rtl.
23811 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
23812 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
23813 definition of EXTRA_CC_MODES.
23815 * md.texi: Kill ref to EXTRA_CC_NAMES.
23816 * tm.texi: Document new way to define EXTRA_CC_MODES.
23818 * genrecog.c: Do not look up the name of a define_split.
23819 (Unrelated bugfix.)
23821 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
23823 * config/v850/v850.md: Fix typo introduced by previous delta.
23825 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23827 * gcc.c (fatal): Make definition static to match prototype.
23829 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23831 * combine.c (get_last_value): Don't look for earlier sets if the last
23832 known set is somewhere in between the insns being combined.
23834 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
23836 * configure.in: Don't use shell ! to negate exit codes
23837 * configure: Regenerate
23839 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
23841 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
23842 the fact that ALIGN is measured in bits, not bytes.
23844 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
23846 * errors.c: New file; defines functions error, warning, and
23847 fatal, variables have_error and progname.
23848 * errors.h: New file; prototypes and decls for stuff in errors.c.
23850 * Makefile: Add rules to build errors.o and
23851 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
23852 genopinit, genrecog, genextract, genpeep, genattr, and
23853 genoutput with errors.o. Add errors.h to deps of genconfig.o,
23854 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
23855 genpeep.o, genattr.o, and genoutput.o.
23857 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
23858 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
23859 define or prototype fatal. Set progname at beginning of main.
23860 * genoutput.c: Likewise, and don't define or prototype error
23863 * c-typeck.c (c_expand_start_case): Return immediately if exp
23865 * fold-const.c (operand_equal_p): Return immediately if arg1
23866 or arg0 are ERROR_MARKs.
23867 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
23868 fields of type ERROR_MARK when calculating if the record can
23871 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
23872 with much help from Jeffrey A Law and Richard Henderson
23874 * i386.md: In the 6 insns which call output_fix_trunc,
23875 earlyclobber operands[0].
23877 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
23879 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
23880 creating new registers.
23882 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
23884 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
23885 i386_reg_alloc_order, i386_regparm_string,
23886 i386_align_loops_string, i386_align_jumps_string,
23887 i386_align_funcs_string, i386_preferred_stack_boundary_string,
23888 and i386_branch_cost_string as type "const char *".
23889 * i386.c: Define all above strings as type "const char *".
23891 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
23893 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
23894 when emitting alignment padding. Emit padding byte of 0 instead of 4.
23896 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
23898 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
23899 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
23901 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
23903 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
23904 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
23905 (dwarf2out_line, dwarf2out_finish): Likewise.
23906 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
23908 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
23910 * tree.c (lang_unsave_expr_now) : Correct return type.
23911 * tree.h (lang_unsave_expr_now) : Same.
23913 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
23915 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
23916 instead of duplicating code.
23918 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23920 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
23922 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
23924 * tree.h: fancy_abort always takes three args.
23925 * resource.c: Move include of system.h before toplev.h.
23927 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
23929 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
23932 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
23934 * system.h: Don't redefine abort or trim_filename.
23935 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
23936 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
23937 whether or not __FUNCTION__ is available.
23938 * tree.h: Duplicate rtl.h's definition of abort, for files
23939 that don't include rtl.h. Delete all code to perform type
23940 checking with a compiler other than GCC.
23941 * varray.h: Delete all code to perform type checking with a
23942 compiler other than GCC. Make VARRAY_CHECK() always evaluate
23943 its arguments exactly once, using a statement expression.
23944 Adjust the VARRAY_<type> accessor macros to match.
23945 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
23946 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
23947 caller's location. Define fatal_insn and fatal_insn_not_found
23948 as macros that use _fatal_insn and _fatal_insn_not_found.
23949 (fancy_abort, trim_filename): Kill prototypes.
23951 * rtl.c (trim_filename): Move here from toplev.c.
23952 (fancy_abort): New function.
23953 (DIR_SEPARATOR): Provide default definition.
23954 * tree.c (tree_check_failed, tree_class_check_failed): Go
23955 through fancy_abort.
23956 (tree_check, tree_class_check, cst_or_constructor_check,
23957 expr_check): Delete.
23958 * varray.c (varray_check_failed): New function.
23959 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
23960 _fatal_insn and _fatal_insn_not_found. Go through
23962 (trim_filename, fancy_abort): Delete.
23964 * builtins.c (expand_builtin_args_info): Report ICE with abort.
23965 * except.c (start_catch_handler): Report ICE with error/abort
23967 * final.c (output_operand_lossage): Likewise.
23968 * flow.c (verify_flow_info): Likewise.
23970 * gcc.c: Prototype fatal.
23971 * gengenrtl.c: Undef abort after including rtl.h not system.h.
23972 * genattr.c, genattrtab.c, genemit.c, genextract.c,
23973 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
23974 Don't define fancy_abort.
23976 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
23978 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
23981 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
23983 * m88k.h (VERSION_INFO2): Kill.
23984 (VERSION_STRING): Kill.
23986 (VERSION_INFO1): Tidy.
23987 (TARGET_VERSION): Update.
23988 * m88k/dgux.h (VERSION_INFO2): Kill.
23989 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
23990 * m88k/luna.h (VERSION_INFO1): Tidy.
23991 * m88k/sysv4.h (VERSION_INFO1): Likewise.
23992 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
23993 (output_file_start): Adjust for death of VERSION_STRING.
23995 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
23997 * cpplib.c (detect_if_not_defined): New function.
23998 (do_if): Use it to detect potential once-only headers.
24000 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
24002 * c-common.c (combine_strings): Always set TREE_CONSTANT.
24004 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24006 * combine.c (nonzero_bits) : Allow single-ly set registers to be
24007 anywere in the function only if they are pseudos and set before
24008 being used (not live at the start of the function).
24009 (num_sign_bit_copies) : Same.
24010 (get_last_value_validate) : Same.
24011 (get_last_value) : Same.
24013 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
24015 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
24016 where N and M are constant and N is an integer multiple of M.
24018 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24020 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
24021 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
24022 sbitmap_union_of_preds): Add prototypes.
24023 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
24024 the intersection of successors with the new flow graph structures.
24025 (sbitmap_intersection_of_preds): New function to compute the
24026 intersection of predecessors with the new flow graph structures.
24027 (sbitmap_union_of_succs): New function to compute the union of
24028 successors with the new flow graph structures.
24029 (sbitmap_union_of_preds): New function to compute the union of
24030 predecessors with the new flow graph structures.
24031 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
24032 (expr_reaches_here_p): Use edge and basic_block structures instead
24033 of s_preds and s_succs.
24034 (compute_cprop_avinout): Use new sbitmap routines.
24035 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
24036 of s_preds and s_succs.
24037 * flow.c (compute_flow_dominators): Compute dominators using
24038 edges and basic blocks instead of s_preds and s_succs.
24040 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24042 * lists.c (unused_insn_list, unused_expr_list): New file for
24043 maintaining various types of lists. New statics for maintaining a
24044 cache of available INSN_LIST and EXPR_LIST nodes.
24045 (free_list): Static function for freeing a list of INSN/EXPR nodes.
24046 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
24047 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
24048 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
24049 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
24050 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
24051 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
24052 (free_INSN_LIST_node): Free an individual INSN_LIST node.
24053 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
24054 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
24055 (remove_dependence, free_pending_lists): Use new global routines.
24056 (flush_pending_lists, sched_analyze_insn): Use new global routines.
24057 (sched_analyze, compute_block_backward_dependences): Use new routines.
24058 (sched_analyze_1, sched_analyze_2): Use new routines.
24059 (schedule_insns): Use new global routines.
24060 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
24062 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
24063 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
24065 * toplev.c (rest_of_compilation): Initialize node cache.
24066 * Makefile.in (OBJS): Add lists.o to list of object files.
24067 (lists.o): Add dependancies.
24069 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
24071 * config/v850/v850.md: Fix compile time warning messages.
24072 * config/v850/v850.c: Fix compile time warning messages.
24073 * config/v850/v850.h: Fix compile time warning messages.
24075 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24077 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
24078 Remove unused prototype for `init_lengths'.
24080 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24082 * calls.c (emit_call_1): Mark parameter `stack_size' with
24084 (expand_call): Initialize variable `insn'.
24085 (emit_library_call): Likewise for variable `high_to_save'.
24086 (emit_library_call_value): Likewise.
24087 (store_one_arg): Likewise for variables `lower_bound' and
24090 * combine.c (try_combine): Likewise for variables `i2_code_number'
24091 and `other_code_number'.
24092 (find_split_point): Likewise for variables `pos', `unsignedp' and
24094 (simplify_if_then_else): Likewise for variables `op' and `c1'.
24095 (simplify_and_const_int): Remove unused variable `width'.
24096 (merge_outer_ops): Likewise.
24098 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
24099 HOST_WIDE_INT' when comparing against one.
24100 (simplify_relational_operation): Likewise.
24101 (cse_insn): Initialize variables `src_eqv_volatile',
24102 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
24104 * final.c (init_final): Constify parameter `filename'.
24105 (final_start_function): Mark parameter `optimize' with
24107 (profile_function): Likewise for parameters `first' and `optimize'.
24108 (output_source_line): Likewise for parameter `file'.
24110 * integrate.c (subst_constants): Cast a value to `size_t' when
24111 comparing against one.
24112 (mark_stores): Initialize variable `mode'. Cast a value to
24113 `size_t' when comparing against one.
24115 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
24117 * loop.c (move_movables): Initialize variable `first'.
24118 (strength_reduce): Likewise for variable `increment'.
24119 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
24120 value to `size_t' when comparing against one.
24121 (load_mems): Initialize variable `end_label'.
24123 * output.h (init_final): Constify parameter.
24125 * reload.c (decompose): Initialize variable `base'.
24127 * reload1.c (reload): Likewise for variable `is_scalar'.
24128 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
24129 (choose_reload_regs): Initialize variable `mode'.
24130 (emit_reload_insns): Likewise for variable `store_insn'.
24131 (reload_cse_noop_set_p): Mark parameter `insn' with
24133 (reload_combine): Initialize variable `set'.
24135 * unroll.c (unroll_loop): Likewise for variable `local_label'.
24136 (copy_loop_body): Cast a value to `size_t' when comparing against
24139 * varasm.c (assemble_variable): Initialize variable `size_tree'.
24140 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
24141 (remove_from_pending_weak_list): Mark parameter `name' with
24144 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24146 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
24149 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
24151 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
24152 (ASM_DECLARE_FUNCTION_NAME): Define.
24153 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
24154 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
24155 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
24156 not already defined.
24158 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24160 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
24161 of n_popped when call/call_value are not defined.
24163 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
24165 * tm.texi: GNU CC -> GCC conversion.
24166 (CC1_SPEC): Indicate it is used for all language front ends.
24168 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
24170 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
24171 NOTE_INSN_EH_REGION_END correctly.
24173 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24174 Jeff Law <law@cygnus.com>
24176 * loop.c (strength_reduce): Automatically unroll loops if the
24177 unrolled loop size is smaller than the rolled loop size.
24179 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
24180 and delete comment that code should be rewritten.
24182 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
24184 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
24187 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
24189 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24191 * fixinc/mkfixinc.sh: Don't fix uwin headers.
24192 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
24193 (LINK_SPEC): Add -u _main when building executables.
24194 (ASM_DECLARE_FUNCTION): Update from Cygwin.
24195 (ASM_FILE_END): Use the default for ix86-pe.
24196 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
24198 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
24200 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
24201 and ASM_CLOSE_PAREN are empty strings.
24203 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
24204 Geoffrey Keating <geoffk@cygnus.com>
24206 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
24207 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
24208 (unprotoize.o): Ditto.
24209 (test-protoize-simple): Don't define STD_PROTO_DIR.
24210 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
24211 changes to make 'test-protoize-simple' pass.
24212 (STD_PROTO_DIR): Remove define.
24213 (STANDARD_EXEC_PREFIX): Supply default define.
24214 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
24215 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
24216 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
24217 (GET_ENV_PATH_LIST): New macro.
24218 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
24219 (do_processing): Initialize default_syscalls_dir using new
24220 macros. Use it to initialize syscalls_absolute_filename.
24222 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
24224 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
24225 B into a register before emit_conditional_move.
24227 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
24229 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
24230 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
24231 multiplicand out of (+ (* a b) (* c d)).
24233 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
24234 Richard Henderson <rth@cygnus.com>
24236 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
24237 (new_insn_dead_notes): Likewise.
24238 (update_n_sets): Likewise.
24239 (update_flow_info): Move to flow.c, renamed to update_life_info;
24240 extend to handle multiple source insns.
24241 * flow.c: Include resource.h
24242 (unlink_insn_chain): New.
24243 (split_hard_reg_notes): New.
24244 (maybe_add_dead_note): New.
24245 (maybe_add_dead_note_use): New.
24246 (find_insn_with_note): New.
24247 (new_insn_dead_notes): New.
24248 (update_n_sets): New.
24249 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
24250 (maybe_remove_dead_notes): New.
24251 (update_life_info): New.
24252 (prepend_reg_notes): New.
24253 (replace_insns): New.
24254 * output.h (update_life_info): Declare.
24255 * recog.c (split_block_insns): Use update_life_info.
24256 * resource.c (find_free_register): Use reg_alloc_order, don't use
24257 fixed regs, make sure the mode is supported, don't use new regs.
24259 * rtl.h (replace_insns): Declare.
24261 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
24263 * expr.c (expand_expr): Cope with COND_EXPRs with one
24264 non-returning branch.
24266 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
24268 * expr.c (store_expr): Always pass down the target, even when not
24271 1999-08-24 Nick Clifton <nickc@cygnus.com>
24273 * configure.in: Define target_cpu_default for v850 targets.
24274 * configure: Regenerate
24276 * config/v850/v850.h (TARGET_CPU_generic): Define.
24277 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
24278 addresses are 4 byte aligned.
24280 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
24283 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24285 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
24286 (main): Add prototypes.
24288 * genattrtab.c (substitute_address, write_const_num_delay_slots,
24289 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
24290 (write_attr_get): Emit prototypes along with function definition.
24291 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
24292 (write_complex_function): Emit static prototype along with
24293 function definition.
24295 * genemit.c (gen_split): Emit prototypes along with function
24298 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
24299 Likewise for predicates and `insn_operand_predicate'.
24300 (process_template): Emit static prototype along with function
24303 * genrecog.c (make_insn_sequence): Constify a char*. Add
24304 prototypes for get_split_*().
24305 (write_subroutine): Emit prototypes along with function
24308 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24310 * gcse.c (find_avail_set): Follow chains of register-register copies.
24311 Use oprs_not_set_p to guarantee that the returned value can be
24313 (cprop_insn): Don't verify the return value of find_avail_set with
24316 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
24317 (cprop_cc0_jump): New function.
24318 (cprop_insn): Break out new function cprop_jump and use it.
24319 Also use cprop_cc0_jump for machines with CC0.
24320 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
24322 * tree.h (current_function_calls_setjmp,
24323 current_function_calls_longjmp): Delete declarations.
24324 * dsp16xx.c: Include "function.h".
24325 * elxsi.c: Likewise.
24326 * gmicro.c: Likewise.
24327 * h8300.c: Likewise.
24328 * i370.c: Likewise.
24329 * m32r.c: Likewise.
24330 * mn10200.c: Likewise.
24331 * mn10300.c: Likewise.
24332 * ns32k.c: Likewise.
24333 * spur.c: Likewise.
24334 * v850.c: Likewise.
24336 * rtl.h (rtx_equal_function_value_matters): Declare.
24337 * toplev.c (rtx_equal_function_value_matters): Don't declare.
24339 * function.c: Likewise.
24340 * emit-rtl.c: Likewise.
24342 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
24344 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
24347 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24349 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
24352 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
24354 * cpp.texi: Add a node documenting macro varargs (copied
24357 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
24359 * cppspec.c: Put a null pointer at the end of the new argv.
24361 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
24363 * configure.in: Remove code to select/de-select the haifa
24364 scheduler. Every scheduled port gets haifa now.
24365 * configure: Rebuilt.
24366 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
24368 * Makefile.in: Corresponding changes.
24370 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24372 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
24373 All callers changed.
24374 (prepare_float_lib_cmp): Likewise.
24375 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
24376 * expr.h (emit_float_lib_cmp): Delete declaration.
24377 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
24378 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
24379 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
24381 (cmptf): Now conditional on TARGET_HARD_QUAD.
24383 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
24385 * resource.c (mark_target_live_regs): Use
24386 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
24388 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24390 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
24392 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
24394 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
24396 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24398 * rtl.h (rtx_format): Constify a char*.
24400 * rtl.c (rtx_format): Likewise.
24401 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
24402 (init_rtl): Use accessor macro, not `rtx_format'.
24404 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
24407 * caller-save.c (mark_referenced_regs): Likewise.
24409 * combine.c (subst, make_compound_operation, known_cond,
24410 gen_rtx_combine, update_table_tick, get_last_value_validate,
24411 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
24413 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
24414 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
24415 count_reg_usage): Likewise.
24417 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
24420 * final.c (leaf_renumber_regs_insn): Likewise.
24422 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
24423 dump_edge_info, count_reg_references): Likewise.
24425 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
24426 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
24429 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
24430 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
24431 add_label_notes): Likewise.
24433 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
24434 clear_struct_flag, count_sub_rtxs, count_alternatives,
24435 compares_alternatives_p, contained_in_p, walk_attr_value,
24436 write_expr_attr_cache): Likewise.
24438 * genconfig.c (walk_insn_part): Likewise.
24440 * genemit.c (max_operand_1, gen_exp): Likewise.
24442 * genextract.c (walk_rtx): Likewise.
24444 * genflags.c (num_operands): Likewise.
24446 * genoutput.c (scan_operands): Likewise.
24448 * genpeep.c (match_rtx): Likewise.
24450 * genrecog.c (add_to_sequence): Likewise.
24452 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
24455 * integrate.c (save_constants, copy_for_inline,
24456 copy_rtx_and_substitute, subst_constants, restore_constants):
24459 * jump.c (mark_jump_label, invert_exp, redirect_exp,
24460 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
24462 * local-alloc.c (contains_replace_regs, memref_referenced_p):
24465 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
24466 add_label_notes, replace_call_address, count_nonfixed_reads,
24467 invariant_p, find_single_use_in_loop, find_mem_givs,
24468 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
24471 * print-rtl.c (reg_names, print_rtx): Likewise.
24473 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
24475 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
24476 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
24477 print_blocks): Likewise.
24479 * regclass.c (fix_register, record_address_regs,
24480 reg_scan_mark_refs): Likewise.
24482 * regmove.c (stable_but_for_p): Likewise.
24484 * reload.c (loc_mentioned_in_p, operands_match_p,
24485 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
24486 copy_replacements, refers_to_regno_for_reload_p,
24487 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
24488 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
24491 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
24492 delete_address_reloads_1, count_occurrences,
24493 reload_cse_mem_conflict_p, reload_combine_note_use,
24494 add_auto_inc_notes): Likewise.
24496 * resource.c (mark_referenced_resources, mark_set_resources):
24499 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
24500 reg_mentioned_p, regs_set_between_p, modified_between_p,
24501 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
24502 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
24503 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
24504 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
24506 * sched.c (sched_analyze_2, attach_deaths): Likewise.
24508 * stupid.c (stupid_mark_refs): Likewise.
24510 * unroll.c (remap_split_bivs): Likewise.
24512 * varasm.c (mark_constants): Likewise.
24514 * a29k/a29k.c (uses_local_reg_p): Likewise.
24516 * alpha/alpha.c (summarize_insn): Likewise.
24518 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
24519 eliminate_lr2ip): Likewise.
24521 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
24523 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
24524 reg_mentioned_in_mem): Likewise.
24526 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
24527 symbolic_reference_mentioned_p): Likewise.
24529 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
24531 * sh/sh.c (regs_used, mark_use): Likewise.
24533 * vax/vax.c (vax_rtx_cost): Likewise.
24535 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24537 * machmode.h (mode_name): Constify a char*.
24539 * rtl.c (mode_name): Likewise.
24541 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
24543 * optabs.c (init_libfuncs): Constify a char*.
24545 * print-tree.c (mode_name): Remove redundant declaration.
24546 (print_node): Use accessor macro, not `mode_name'.
24548 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
24550 (new_spill_reg): Constify a char*.
24552 * tree.c (mode_name): Remove redundant declaration.
24554 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24556 * rtl.c (rtx_name): Constify a char*.
24558 * rtl.h (rtx_name, fix_sched_param): Likewise.
24560 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
24561 (mypr): Use accessor macro, not `rtx_name'.
24563 * genemit.c (print_code): Constify a char*.
24565 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
24567 * genpeep.c (print_code): Constify a char*.
24569 * genrecog.c (print_code): Likewise.
24571 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
24572 end_bb): Add static prototype.
24573 (draw_edge): Constify a char*.
24574 (end_bb): Remove unused parameter.
24576 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
24577 print_block_visualization): Constify a char*.
24579 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
24581 * c-common.c (c_get_alias_set): Update comment.
24583 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24585 * linux.h (LIB_SPEC): Added.
24587 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24589 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
24591 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
24593 * tree.c (expr_check): Fix typo in last change.
24595 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
24597 * rtl.def (NOTE): Change format to "iuu0n".
24598 (ADDR_DIFF_VEC): Change format to "eEee0".
24599 (ADDRESSOF): Change format to "eit".
24601 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
24602 (RTVEC_ELT): Change to match.
24603 (XVECEXP): Use XVEC and RTVEC_ELT.
24604 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
24605 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
24606 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
24607 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
24608 TRAP_CONDITION, TRAP_CODE): Use XEXP.
24609 (INTVAL): Use XWINT.
24610 (ADDRESSOF_DECL): Use XTREE.
24611 (SET_ADDRESSOF_DECL): Delete.
24612 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
24613 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
24614 ifdefed out since 2.6 at least.
24615 (gen_rtvec_vv): Delete prototype.
24617 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
24619 (copy_most_rtx): Handle 't' format letter.
24620 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
24621 (gen_rtvec_vv): Delete function. All callers changed to use
24622 gen_rtvec_v instead.
24623 * print-rtl.c (print_rtx): Move special casing of NOTEs to
24624 the '0' format letter.
24626 * function.c (gen_mem_addressof): Don't use
24627 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
24629 * integrate.c (copy_rtx_and_substitute): Likewise.
24630 Copy 't' slots with XTREE.
24631 (subst_constants): Treat 't' slots like '[swi]' slots.
24632 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
24633 * jump.c (rtx_equal_for_thread_p): Likewise.
24634 * rtlanal.c (rtx_equal_p): Likewise.
24635 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
24636 only four arguments.
24637 * gengenrtl.c (type_from_format): Provide correct types for
24641 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
24642 If a recent gcc is in use (always in stage2 and beyond), use
24643 statement expressions, so we don't make a function call unless
24644 the check fails. Evaluate arguments exactly once.
24645 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
24646 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
24648 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
24649 they evaluate their arguments exactly once, irrespective of
24650 the compiler in use.
24652 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
24653 is used by the currently-enabled check macros. This is:
24654 (tree_check_failed, tree_class_check_failed): For gcc.
24655 (tree_check, tree_class_check, cst_or_constructor_check,
24656 expr_check): For other compilers.
24658 * gencheck.c: Do not define any *_CHECK1 macros.
24660 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
24661 Mark Mitchell <mark@codesourcery.com>
24663 * c-common.c (c_get_alias_set): Fix support for poitners and
24666 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
24668 * alias.c: Include tree.h.
24669 (nonlocal_reference_p, mark_constant_function): New functions.
24670 * flow.c (life_analysis): Call mark_constant_function.
24671 * rtl.h (mark_constant_function): Declare it.
24673 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
24675 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
24676 unrecognisable switches.
24678 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24680 * loop.c (recombine_givs): Set ix field after sorting.
24681 (recombine_givs): Remove bogus index / giv lockstep looping.
24683 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24685 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
24687 (emit_store_flag_force): Use do_compare_rtx_and_jump.
24688 (do_cmp_and_jump): Formatting fixes.
24689 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
24690 do_compare_rtx_and_jump instead of compare_from_rtx.
24691 (do_compare_rtx_and_jump): New function; mostly copied from
24693 (do_jump_for_compare): Delete.
24694 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
24696 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
24697 of compare/do_jump_for_compare pairs.
24698 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
24699 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
24700 compare_from_rtx/do_jump_for_compare pairs.
24701 (do_jump_by_parts_equality): Likewise.
24702 (do_jump_by_parts_equality_rtx): Likewise.
24703 * expr.h (do_compare_rtx_and_jump): Declare.
24704 * optabs.c (prepare_cmp_insn): New function, contains most of the code
24705 that used to be in emit_cmp_insn.
24706 (cmp_available_p): New function.
24707 (prepare_operand): New function.
24708 (emit_cmp_and_jump_insn_1): New function, contains some code that used
24709 to be in emit_cmp_insn.
24710 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
24711 parameters to be pointers; don't emit final compare but modify some of
24712 the values pointed to by the args so the caller can perform the
24713 correct comparison.
24714 (expand_binop): Call emit_store_flag_force with signed forms of
24716 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
24717 emit_jump_insn pair.
24718 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
24719 emit_cmp_and_jump_insn_1. Call emit_queue.
24720 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
24722 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
24723 jump sets cc0 before deleting it.
24724 * integrate.c (expand_inline_function): Likewise.
24725 * unroll.c (unroll_loop): Similar changes in several places.
24726 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
24727 before deleting it.
24729 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24731 * Makefile.in (insn-recog.o): Update dependencies.
24732 * genrecog.c (main): Make generated file include "function.h".
24734 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
24736 * cse.c (cse_insn): Call never_reached_warning when a jump is
24737 changed to be unconditional.
24738 * flags.h: Declare warn_notreached.
24739 * flow.c (delete_block): Call never_reached_warning when
24740 a block is deleted.
24741 * jump.c (delete_barrier_successors): Call never_reached_warning
24742 when we delete everything after a BARRIER.
24743 (never_reached_warning): New function.
24744 * rtl.h: Declare never_reached_warning.
24745 * toplev.c (warn_notreached): New variable.
24746 (lang_independent_options): Set warn_notreached
24747 when -Wunreachable-code.
24748 (compile_file): We need line numbers for -Wunreachable-code.
24750 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
24752 * haifa-sched.c (insn_unit): Fix typo on out of range test.
24753 * sched.c (insn_unit): Likewise.
24755 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
24757 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
24759 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24761 * flow.c (create_edge_list): Use xmalloc, not malloc.
24763 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
24765 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
24766 C-style comments. Do not lose the character before double slash.
24768 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24770 * basic-block.h (struct edge_list): Stucture to maintain a vector
24772 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
24773 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
24774 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
24775 New function prototypes.
24776 * flow.c (create_edge_list): Function to create an edge list.
24777 (free_edge_list): Discards memory used by an edge list.
24778 (print_edge_list): Debug output showing an edge list.
24779 (verify_edge_list): Internal consistency check for an edge list.
24780 (find_edge_index): Function to find an edge index for a pred and succ.
24782 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
24784 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
24787 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
24789 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
24791 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
24793 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24795 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
24797 * toplev.c (rest_of_compilation): Allow machine dependent
24798 reorganisation pass to place information into the RTL dump
24799 file if it so wishes.
24801 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
24803 * explow.c (hard_function_value): Use VOIDmode instead of
24805 * stmt.c (expand_return): Likewise.
24806 * stor-layout.c (get_best_mode): Likewise.
24808 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
24809 emit call instead of emit_insn call.
24811 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24813 * configure.in: Handle --disable/enable-win32-registry.
24814 * install.texi: Document --disable/enable-win32-registry.
24815 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
24816 (WIN32_REGISTRY_KEY): New macro.
24817 * prefix.c: Use to enable/disable win32-specific code.
24818 (lookup_key): Use versioned key.
24819 * configure: Regenerate.
24820 * config.in: Likewise.
24822 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
24824 * cpplib.c (read_line_number): New fn, split out of...
24827 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
24829 tree.c (lang_unsave_expr_now) : New.
24830 (unsave_expr_now): Call lang_unsave_expr_now.
24831 tree.h (lang_unsave_expr_now) : New.
24833 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
24835 * toplev.c (flag_new_exceptions): On by default.
24837 1999-08-13 Michael Meissner <meissner@cygnus.com>
24839 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
24841 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24843 * dwarfout.c (fundamental_type_code): Return FT_boolean for
24844 INTEGER_TYPE with precision==1, it's __java_boolean.
24846 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24848 * global.c (prune_preferences): Move some invariants out of the
24851 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
24853 * configure.in (alpha*-dec-osf*): Add osf5.
24855 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
24857 * configure.in: Rework handling of ARM GNU/Linux slightly.
24858 (arm*-*-linux-gnuoldld): New target.
24859 * configure: Regenerate.
24860 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
24861 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
24862 * config/arm/linux-oldld.h: New file.
24863 * config/arm/linux-elf26.h: Don't include linux-elf.h.
24864 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
24866 * config/arm/linux-elf.h (ASM_SPEC): Define.
24867 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
24868 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
24869 for 26-bit APCS and old linker.
24870 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
24872 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
24873 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
24874 don't define `arm' or `arm_elf'.
24875 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
24876 MULTILIB_DIRNAMES): Define. Fix typo in comment.
24878 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
24880 * rtl.texi: Fix typo.
24882 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
24884 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
24886 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
24888 * extend.texi (C++ Signatures): Remove node.
24889 * invoke.texi: Remove discussion of -fhandle-signatures,
24890 signature, sigof, __signature__, and __sigof__.
24892 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
24894 * Makefile.in (JAVAGC): Removed.
24896 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
24898 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24900 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
24902 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24904 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
24906 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
24907 a register that is already known to be a pointer.
24909 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
24911 * fixinc/inclhack.tpl: Only install assert.h conditionally.
24912 * fixinc/inclhack.sh: Regenerated.
24913 * fixinc/fixincl.sh: Regenerated.
24915 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
24917 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
24918 Fix documentation of -ansi flag to describe its C++ behavior.
24919 Remove bogus reference to GCC 2.9.
24921 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
24923 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
24924 note if it is non-NULL.
24926 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24928 * except.h (eh_nesting_info): Add new structure defintion.
24929 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
24930 (reachable_handlers, update_rethrow_references): Add function
24932 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
24933 a rethrow symbol instead of an integer exception region number.
24934 * flow.c (Make_edges): Use new exception nesting routines to determine
24935 which handlers are reachable from a CALL or asynchronous insn.
24936 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
24938 (delete_eh_regions): Update rethrow labels, and don't delete
24939 regions which are the target of a rethrow.
24940 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
24941 avoid overloading the SYMBOL_REF_USED flag.
24942 (rethrow_symbol_map): Use new rethrow_ref field.
24943 (rethrow_used): Use new rethrow_ref field.
24944 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
24945 of an integer. Fix formatting.
24946 (output_exception_table_entry): Use new rethrow_ref field.
24947 (can_throw): Check for EH_REGION_NOTE before deciding
24948 whether a CALL can throw or not.
24949 (scan_region): Call rethrow_used() instead of accessing data structure.
24950 (update_rethrow_references): New function to make sure only regions
24951 which are still targets of a rethrow are flagged as such.
24952 (process_nestinfo): New static function to initialize a handler
24953 list for a specific region.
24954 (init_eh_nesting_info): New function to allocate and initialize
24955 the list of all EH handlers reachable from all regions.
24956 (reachable_handlers): New function to retrieve the list of handlers
24957 reachable from a specific region and insn.
24958 (free_eh_nesting_info): New function to dispose of a list of
24959 reachable handlers.
24961 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24963 * flow.c (split_edge): Set JUMP_LABEL field.
24964 (commit_one_edge_insertion): Set head correctly for insert_before.
24965 When inserting insns, update insn block numbers if allocated.
24967 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24969 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
24970 retry_incomplete_types): Add static prototype.
24971 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
24972 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
24973 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
24974 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
24975 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
24978 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
24979 dwarf2out_start_source_file, dwarf2out_line): Likewise.
24981 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24983 * output.h (assemble_name): Constify a char*.
24985 * varasm.c (UNIQUE_SECTION, assemble_start_function,
24986 assemble_variable, assemble_name): Likewise.
24988 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
24990 * arm/pe.c (arm_pe_unique_section): Likewise.
24992 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
24994 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
24996 * i386/interix.c (i386_pe_unique_section): Likewise.
24998 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
25000 * i386/winnt.c (i386_pe_unique_section): Likewise.
25002 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
25004 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
25006 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
25008 * pa/pa.c (output_call): Likewise.
25010 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
25012 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
25014 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
25017 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
25020 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
25022 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
25023 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
25025 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
25027 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25029 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
25031 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25033 * tree.h (lang_identify): Constify a char*.
25034 (print_error_function): Add extern prototype. Constify a char*.
25036 * c-lang.c (lang_identify): Constify a char*.
25038 * objc/objc-act.c (lang_identify): Constify a char*.
25040 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25042 * genpeep.c (main): Make generated file include "function.h".
25043 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
25045 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25047 * Makefile.in: Update dependencies.
25048 * alias.c: Include "function.h"
25049 * c-decl.c: Likewise.
25050 * caller-save.c: Likewise.
25051 * calls.c: Likewise.
25052 * combine.c: Likewise.
25054 * explow.c: Likewise.
25055 * final.c: Likewise.
25056 * global.c: Likewise.
25057 * graph.c: Likewise.
25058 * local-alloc.c: Likewise.
25059 * loop.c: Likewise.
25060 * optabs.c: Likewise.
25061 * profile.c: Likewise.
25062 * recog.c: Likewise.
25063 * regclass.c: Likewise.
25064 * regmove.c: Likewise.
25065 * reload.c: Likewise.
25066 * reorg.c: Likewise.
25067 * resource.c: Likewise.
25068 * sched.c: Likewise.
25069 * stupid.c: Likewise.
25070 * config/1750a/1750a.c: Likewise.
25071 * config/a29k/a29k.c: Likewise.
25072 * config/arc/arc.c: Likewise.
25073 * config/arm/arm.c: Likewise.
25074 * config/arm/thumb.c: Likewise.
25075 * config/c4x/c4x.c: Likewise.
25076 * config/clipper/clipper.c: Likewise.
25077 * config/convex/convex.c: Likewise.
25078 * config/fx80/fx80.c: Likewise.
25079 * config/i860/i860.c: Likewise.
25080 * config/m68k/m68k.c: Likewise.
25081 * config/m88k/m88k.c: Likewise.
25082 * config/mips/mips.c: Likewise.
25083 * config/pdp11/pdp11.c: Likewise.
25084 * config/pyr/pyr.c: Likewise.
25085 * config/romp/romp.c: Likewise.
25086 * config/sh/sh.c: Likewise.
25087 * config/tahoe/tahoe.c: Likewise.
25088 * config/vax/vax.c: Likewise.
25089 * config/we32k/we32k.c: Likewise.
25090 * config/sparc/sparc.c: Include "function.h".
25091 (mem_min_alignment): Test current_function rather than
25092 regno_pointer_align.
25093 * config/pa/pa.c: Likewise.
25094 (compute_frame_size): Delete declaration of
25095 current_function_outgoing_args_size.
25096 * config/arc/arc.h (current_function_varargs): Delete declaration.
25097 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
25099 * config/i370/i370.h (current_function_outgoing_args_size): Delete
25101 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
25102 current_function_uses_pic_offset_table.
25103 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
25104 of current_function_returns_pointer.
25105 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25106 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25107 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25108 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25109 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25110 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25111 * config/m88k/m88k.c: Include "function.h"
25112 (call_used_regs, current_function_pretend_args_size,
25113 current_function_outgoing_args_size, frame_pointer_needed): Delete
25115 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
25117 * config/mips/mips.h (current_function_calls_alloca): Delete
25119 * config/mn10200/mn10200.h (current_function_needs_context,
25120 rtx_equal_function_value_matters): Delete declarations.
25121 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
25122 flag_pic): Delete declarations.
25123 * config/pa/pa.h (current_function_pretend_args_size,
25124 current_function_decl): Delete declarations.
25125 * config/pa/som.h (current_function_varargs): Delete declaration.
25126 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
25128 * config/pyr/pyr.h (current_function_pretend_args_size,
25129 current_function_args_size, current_function_calls_alloca): Delete
25131 * config/sh/sh.h (current_function_varargs): Delete declaration.
25132 * config/sparc/sparc.h (current_function_outgoing_args_size,
25133 current_function_calls_alloca, current_function_decl): Delete
25135 * config/spur/spur.h (current_function_pretend_args_size,
25136 current_function_calls_alloca): Delete declarations.
25137 * config/v850/v850.c (current_function_outgoing_args_size): Delete
25139 * config/vax/vms.h (current_function_name): Delete declaration.
25140 * gcse.c: Include "function.h".
25141 (current_function_name, current_function_calls_setjmp): Delete
25143 * haifa-sched.c: Include "function.h".
25144 (forced_labels): Delete declaration.
25145 * jump.c: Likewise.
25146 * reg-stack.c: Likewise.
25147 * reload1.c: Likewise.
25148 * genemit.c (main): Make generated file include function.h.
25149 * genoutput.c (output_prologue): Likewise.
25151 * builtins.c (saveregs_value, apply_args_value): Delete variables.
25152 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
25153 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
25154 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
25155 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
25156 macros for some of them.
25157 (emit_filename, emit_lineno): Delete declarations.
25158 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
25159 regno_pointer_* variables through current_function.
25160 (gen_inline_header_rtx): Delete function.
25161 (save_emit_status): Delete function.
25162 (set_new_last_label_num): New function.
25163 (clear_emit_caches): New function.
25164 (restore_emit_status): Just clear last_labelnum and call
25166 (get_last_insn_anywhere): Variable sequence_stack is now accessed
25167 through macro seq_stack.
25168 (add_insn_after): Likewise.
25169 (add_insn_before): Likewise.
25170 (remove_insn): Likewise.
25171 (pop_topmost_sequence): Likewise.
25172 (in_sequence_p): Likewise.
25173 (start_sequence_for_rtl_expr): Likewise.
25174 (start_sequence): Likewise, and likewise for
25175 sequence_rtl_expr/seq_rtl_expr.
25176 (push_topmost_sequence): Likewise.
25177 (end_sequence): Likewise.
25178 (init_virtual_regs): Now takes a "struct emit_status *" argument.
25179 All callers changed. Store into that pointer instead of globals.
25180 (init_emit): Allocate emit elt of current_function.
25181 Changes for sequence_rtl_expr/sequence_stack renaming.
25182 Call clear_emit_caches instead of doing it in-line.
25183 Access regno_pointer_* variables through current_function.
25184 (init_emit_once) Don't clear sequence_stack.
25186 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
25188 (arg_pointer_save_area): Delete declaration.
25189 (finish_expr_for_function): Renamed from init_queue; no longer static.
25190 (init_expr): Don't call init_queue.
25191 (save_expr_status, restore_expr_status): Delete functions.
25192 (expand_expr): Changes to reflect new layout of struct function.
25193 Don't access current_function_check_memory_usage when current_function
25195 * expr.h (forced_labels, save_expr_regs, saveregs_value,
25196 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
25197 current_function_outgoing_args_size, current_function_arg_offset_rtx,
25198 current_function_uses_const_pool, function_call_count,
25199 current_function_uses_pic_offset_table, nonlocal_labels,
25200 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
25201 current_function_check_memory_usage, nonlocal_goto_handler_slots,
25202 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
25204 (finish_expr_for_function): Declare.
25205 * flags.h (current_function_has_nonlocal_label,
25206 current_function_has_nonlocal_goto, current_function_is_thunk,
25207 current_function_has_computed_jump): Delete declarations.
25208 * flow.c (forced_labels): Delete declaration.
25209 * function.c (current_function_pops_args,
25210 current_function_returns_struct, current_function_returns_pcc_struct,
25211 current_function_needs_context, current_function_calls_setjmp,
25212 current_function_calls_longjmp, current_function_has_nonlocal_label,
25213 current_function_has_nonlocal_goto, current_function_is_thunk,
25214 current_function_has_computed_jump, current_function_calls_alloca,
25215 current_function_contains_functions, current_function_returns_pointer,
25216 current_function_epilogue_delay_list, current_function_args_size,
25217 current_function_pretend_args_size, current_function_arg_offset_rtx,
25218 current_function_outgoing_args_size, current_function_varargs,
25219 current_function_stdarg, current_function_args_info, cleanup_label,
25220 current_function_name, current_function_uses_const_pool,
25221 current_function_instrument_entry_exit, current_function_return_rtx,
25222 current_function_uses_pic_offset_table, nonlocal_labels,
25223 current_function_internal_arg_pointer, current_function_cannot_inline,
25224 current_function_check_memory_usage, function_call_count,
25225 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
25226 nonlocal_goto_stack_level, return_label, save_expr_regs,
25227 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
25228 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
25229 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
25230 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
25231 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
25233 (push_function_context_to): Don't save them. Don't call
25234 save_storage_status, save_emit_status or save_expr_status.
25235 (pop_function_context_from): Don't restore them. Don't call
25236 restore_storage_status or restore_expr_status.
25237 (get_func_frame_size): New function.
25238 (get_frame_size): Use it.
25239 (assign_outer_stack_local): Reflect some member name changes in struct
25241 (put_reg_into_stack): Likewise.
25242 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
25244 (fixup_var_refs): Likewise.
25245 (fix_lexical_addr): Likewise.
25246 (trampoline_address): Likewise.
25247 (prepare_function_start): Clear field inlinable of current_function.
25248 (init_function_for_compilation): New function.
25249 (expand_dummy_function_end): New function.
25250 (expand_function_end): Call finish_expr_for_function.
25251 * function.h (struct emit_status): New; fields moved here from struct
25252 function and from global variables. Add accessor macros for some of
25254 (struct expr_status): Likewise.
25255 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
25256 (struct function): Add fields expr and emit, inlinable, inl_emit,
25257 original_arg_vector, original_decl_initial, inl_last_parm_insn,
25258 inl_max_label_num. Add many comments.
25259 Add accessor macros for all elts of struct function that no longer
25260 have a global variable.
25261 (cleanup_label, return_label, frame_offset, tail_recursion_label,
25262 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
25263 stack_slot_list): Delete declarations.
25264 (get_func_frame_size): Declare.
25265 (save_expr_status, restore_expr_status, save_emit_status,
25266 save_storage_status, restore_storage_status): Delete declarations.
25267 (init_virtual_regs): Declare.
25268 * output.h (current_function_pops_args,
25269 current_function_returns_struct, current_function_returns_pcc_struct,
25270 current_function_needs_context, current_function_calls_setjmp,
25271 current_function_calls_longjmp, current_function_calls_alloca,
25272 current_function_has_nonlocal_label, current_function_varargs,
25273 current_function_has_computed_jump, current_function_returns_pointer,
25274 current_function_contains_functions, current_function_args_size,
25275 current_function_pretend_args_size, current_function_stdarg,
25276 current_function_outgoing_args_size, current_function_args_info,
25277 current_function_name, current_function_return_rtx,
25278 current_function_epilogue_delay_list,
25279 current_function_uses_const_pool, current_function_cannot_inline):
25280 Delete declarations.
25281 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
25282 regno_reg_rtx): Delete declaration.
25283 (REGNO_POINTER_FLAG): Delete macro.
25284 * stmt.c (expand_goto): Changes to reflect that some fields in struct
25285 function were renamed.
25286 * stor-layout.c (save_storage_status, restore_storage_status): Delete
25288 * toplev.c: Include "function.h".
25289 (current_function_decl): Delete declaration.
25290 (compile_file): Call init_dummy_function_start and
25291 expand_dummy_function_end around some initializations that need to
25293 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
25294 Call init_function_for_compilation.
25295 * unroll.c: Include "function.h"
25296 (unroll_loop): Access regno_pointer_* variables through
25299 * tree.h (struct tree_decl): Add elt f to saved_insns member.
25300 (DECL_SAVED_INSNS): use it.
25301 (expand_dummy_function_end): Declare.
25302 (init_function_for_compilation): Declare.
25303 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
25304 that it's no longer an INLINE_HEADER.
25305 (expand_call): Likewise.
25306 * integrate.c (finish_inline): Delete function.
25307 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
25308 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
25309 args. Don't generate an INLINE_HEADER rtx, just return the arg
25310 vector. All callers changed.
25311 (save_for_inline_copying): Create a duplicate struct emit_status to
25312 hold the emit state for compiling the current function. Use this and
25313 the other new fields in struct function that are for integration
25314 instead of an INLINE_HEADER.
25315 Use memcpy instead of bcopy.
25316 Store the current struct function in DECL_SAVED_INSNS of fndecl.
25317 (save_for_inline_nocopy): Similar changes, except no new emit_status
25319 (expand_inline_function): Get information from function structure,
25320 not from an inline header rtx.
25321 (output_inline_function): Lose code to extract the necessary
25322 information from an inline header; simply put back the function
25323 structure into current_function. Clear its inlinable elt.
25324 * rtl.def (INLINE_HEADER): Delete.
25325 * rtl.h: Delete all accessors for an INLINE_HEADER.
25326 (gen_inline_header_rtx): Delete declaration.
25327 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
25328 Delete declarations.
25329 (REGNO_POINTER_ALIGN): Delete.
25330 (clear_emit_caches): Declare.
25331 (set_new_last_label_num): Declare.
25333 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
25335 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
25337 * except.c (expand_eh_region_start_for_decl): Always start a new block.
25338 * stmt.c (is_eh_region): Make sure current_function is present, too.
25340 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
25342 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
25343 for 64bit PA targets.
25345 * pa.h (SELECT_SECTION): Define.
25346 * som.h (SELECT_SECTION): Delete.
25348 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25350 * alias.c (init_alias_analysis): Wrap call to
25351 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
25353 1999-08-07 Bruce Korb <autogen@linuxbox.com>
25355 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
25356 <sys/asm.h> contains an asm comment with an apostrophe
25357 * fixinc/inclhack.sh: regen
25358 * fixinc/fixincl.x: regen
25360 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
25362 * function.c (init_function_start): Clear prologue & epilogue.
25363 (prologue_epilogue_contains): New function.
25364 * alias.c (init_alias_analysis): Use it.
25365 * rtl.h (prologue_epilogue_contains): Declare it.
25367 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
25369 * jump.c (onlyjump_p): New function.
25370 * rtl.h: Declare it.
25371 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
25372 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
25374 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
25376 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
25377 to invert loops. Simplify block scanning.
25379 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25381 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
25382 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
25384 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
25386 * config/sparc/liteelf.h: New file to support sparclite-elf target
25387 * config/sparc/t-sp86x: New file to support sparc86x targets
25388 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
25389 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
25390 * configure.in: Support above target triplets
25391 * configure: Regenerated
25393 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
25395 * fixinc/server.c (server_setup): Do not prefix function used as
25396 parameter with `&'.
25398 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
25400 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
25401 Remove fp reg alternatives.
25403 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
25405 * Makefiin (TAROUTOPTS): Kill.
25406 (install-headers-tar): Use "xpf" for tar headerfile extraction
25407 * i370/x-oe (TAROUTOPTS): Delete.
25408 * m68k/x-apollo68 (TAROUTOPTS): Delete.
25409 * m68k/x-hp320 (TAROUTOPTS): Delete.
25410 * m68k/x-hp320g (TAROUTOPTS): Delete.
25411 * gcc.texi: Update bug reporting text.
25413 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25415 * reg-stack.c (change_stack) Fixed problem with negative array index.
25417 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
25419 * extend.texi, install.texi: Fix spelling mistakes.
25421 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
25422 (s-attrtab); No longer try to use pre-made insn-attrtab file.
25423 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
25424 PREMADE_ATTRTAB_MD.
25425 * mips/t-ecoff: Likewise.
25426 * mips/t-elf: Likewise.
25427 * mips/t-mips: Likewise.
25428 * mips/t-osfrose: Likewise.
25429 * mips/t-r3900: Likewise.
25430 * mips/t-svr3: Likewise.
25431 * mips/t-svr4: Likewise.
25432 * mips/t-ultrix: Likewise.
25434 * gcc.texi: Document recommend means to provide software floating
25435 point libraries in libgcc.a
25437 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
25439 * c-lex.c (yylex): We can have a number with no digits.
25441 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
25443 * jump.c (delete_prior_computation): New function, broken
25444 out of delete_computation. Check for side effects with
25445 side_effects_p instead of FIND_REG_INC_NOTE. Handle
25446 multi-word hard registers.
25447 (delete_computation): Use it. Check for side effects with
25448 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
25449 missing REG_DEAD note for a register which is both set and
25452 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
25454 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
25455 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
25456 (ASM_FILE_START): Import _mcount with the right type.
25457 (ASM_DECLARE_FUNCTION_NAME): Define.
25458 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
25459 * pa.c (output_function_prologue): Always emit the function's label
25461 * pa.h (TEXT_SPACE_P): Define.
25462 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25463 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
25464 * som.h (TEXT_SPACE_P): Delete.
25465 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25466 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
25468 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
25470 * expr.c (emit_group_load): Allow src to be a CONCAT.
25472 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25474 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
25475 (___mulsi3): Use '!' comment character.
25477 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25479 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
25481 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
25483 * gcc.c: Update URLs and mail addresses.
25484 * gcc.texi: Likewise.
25486 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
25488 * rs6000.c (current_file_function_operand): Return zero for
25490 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
25492 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
25495 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
25497 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
25498 allocate space in the stack frame for the PIC register.
25500 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
25502 * m68k.md (xordi3, anddi3): These patterns are not available on
25505 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
25507 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
25508 (PUT_REAL): Likewise.
25510 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25512 * final.c (shorten_branches): Don't add an alignment for loops
25513 that have no label inside.
25515 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25517 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
25518 prototypes in macro HAVE_cmpstrsi.
25520 * cpplib.c (cpp_get_token): Remove unused label `op3'.
25522 * emit-rtl.c (operand_subword): Remove unused variable
25525 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
25527 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
25529 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
25531 * cpphash.c (macroexpand): Delete leading whitespace when arg
25532 is concatenated before.
25533 (unsafe_chars): Correct test for whether + and - can extend a
25536 * cppinit.c (cpp_start_read): Do dependencies for
25537 -include/-imacros files also.
25539 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
25540 tokenizing non-directive lines.
25541 (cpp_expand_to_buffer): Temporarily disable no-output mode.
25542 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
25545 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25547 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
25549 * c-lex.c: Sync with C++ frontend.
25550 (linemode): New variable.
25551 (parse_float): imag, conversion_errno, and type are output only.
25552 (yylex): Adjust. Move initial '.' case into main switch.
25554 (handle_generic_pragma): Just deal with tokens.
25555 (readescape): Use ISXDIGIT and ISGRAPH.
25556 * c-parse.in: Add END_OF_LINE token.
25558 * c-lex.c (lang_init): Generalize.
25559 (nextchar): Remove. Replace uses with UNGETC.
25560 (skip_white_space): Handle linemode here. Optimize for cpplib.
25561 (skip_white_space_on_line): Remove.
25562 (extend_token_buffer_to): New fn.
25563 (extend_token_buffer): Use it.
25564 (read_line_number, check_newline): Just deal with tokens.
25565 (token_getch, token_put_back): New fns.
25566 (yylex): Use them. More cpplib optimizations. Simplify.
25568 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25569 Jason Merrill <jason@yorick.cygnus.com>
25571 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
25572 (consume_string): Make this smart about USE_CPPLIB.
25573 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
25574 (yylex): Rewrite to be intelligent about USE_CPPLIB.
25575 Also, clean up cases where we redundantly set token_buffer[0].
25576 (read_line_number): New fn.
25577 (ignore_escape_flag): New variable.
25579 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
25581 * a29k/t-a29kbare: Fix some comments.
25582 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
25583 (FPBIT, DPBIT): Define.
25584 * a29k/t-vx29k: Likewise.
25585 * arc/t-arc: Likewise.
25586 * arm/t-arm-elf: Likewise.
25587 * arm/t-bare: Likewise.
25588 * arm/t-pe: Likewise.
25589 * arm/t-pe-thumb: Likewise.
25590 * arm/t-semi: Likewise.
25591 * arm/t-thumb: Likewise.
25592 * arm/t-thumb-elf: Likewise.
25593 * arm/t-thumb-linux: Likewise.
25594 * h8300/t-h8300: Likewise.
25595 * i960/t-i960: Likewise.
25596 * i960/t-vxworks960: Likewise.
25597 * m32r/t-m32r: Likewise.
25598 * mips/t-ecoff: Likewise.
25599 * mips/t-elf: Likewise.
25600 * mips/t-r3900: Likewise.
25601 * pa/t-pro: Likewise.
25602 * rs6000/t-aix43: Likewise.
25603 * rs6000/t-beos: Likewise.
25604 * rs6000/t-newas: Likewise.
25605 * rs6000/t-ppccomm: Likewise.
25606 * rs6000/t-rs6000: Likewise.
25607 * rs6000/t-winnt: Likewise.
25608 * rs6000/t-xnewas: Likewise.
25609 * rs6000/t-xrs6000: Likewise.
25610 * sh/t-sh: Likewise.
25611 * sparc/t-elf: Likewise.
25612 * sparc/t-sparcbare: Likewise.
25613 * sparc/t-sparclite: Likewise.
25614 * sparc/t-splet: Likewise.
25615 * v850/t-v850: Likewise.
25616 * mn10200/t-mn10200: Fix comments.
25617 * mn10300/t-mn10300: Likewise.
25619 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
25620 dummy operand. Allocate a new pseudo for the dummy operand.
25621 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
25623 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
25625 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
25627 * configure: Rebuilt.
25628 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
25630 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
25632 * recog.c (preproces_constraints): Zero recog_op_alt before
25633 processing the constraints.
25635 * arm.c (typedef minipool_node): Renamed from pool_node.
25636 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
25637 (add_minipool_constant): New function.
25638 (dump_minipool): New function.
25639 (find_barrier): Remove special case for getting the insn size of
25640 an insn that references the constant pool.
25641 (minipool_fixup): New structure.
25642 (push_minipool_barrier): New function.
25643 (push_minipool_fix): New function.
25644 (note_invalid_constants): New function.
25645 (add_pool_constant, dump_table, fixit, broken_move): Delete.
25646 (arm_reorg): Rewrite code to fix up the constant pool into a
25647 series of mini-pools embedded in the insn stream.
25648 (arm_output_epilogue): New function, made mainly from the body
25649 of output_func_epilogue.
25650 (output_func_epilogue): Move insn generation part of epilogue code
25651 to arm_output_epilogue.
25652 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
25653 * arm.md (pool_range): New attribute.
25654 (zero_extendqidi2): Add attribute pool_range.
25655 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
25656 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
25657 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
25658 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
25659 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
25660 (epilogue): New expand.
25661 (epilogue_insn): New insn. Call arm_output_epilogue.
25663 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
25664 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
25666 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25668 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25670 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
25672 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
25674 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
25676 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
25678 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
25680 * global.c: Fix comment.
25682 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
25684 * gcc.c (access_check): New static function.
25685 (find_a_file): Use it when searching a directory list.
25686 * collect2.c (find_a_file): Don't accept directories found when
25687 searching a directory list.
25689 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
25691 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
25692 function parameters with `&'.
25693 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
25695 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
25697 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
25698 or tidy_fallthru_edge if the last insn in the block is not
25699 an unconditional jump or a simple conditional jump.
25701 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25703 * Makefile.in (c-decl.o): Depends on defaults.h.
25705 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
25707 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
25709 (CLASS_MAX_NREGS): Likewise.
25711 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
25713 * cse.c (cse_insn): Fix dumb thinko in last change.
25715 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25717 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
25720 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
25722 * dwarf2out.c (add_location_or_const_value_attribute): Correct
25723 test for sizes of passed and declared parameter types.
25725 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25727 * fixincludes: Fix the return type of bsearch, char* -> void*.
25729 * fixinc/inclhack.def: Likewise.
25731 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
25733 * invoke.texi (-fdump-translation-unit): New option.
25735 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
25737 * expr.h (PROMOTE_PROTOTYPES): Move ...
25738 * defaults.h: ... to here.
25739 * c-decl.c: Include defaults.h instead of expr.h.
25740 * c-typeck.c: Include defaults.h.
25742 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
25744 * toplev.h (errorcount): Declare.
25745 (warningcount): Likewise.
25746 (sorrycount): Likewise.
25747 * c-lex.c (errorcount): Don't declare.
25748 * dwarf2out.c (errorcount): Don't declare.
25750 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
25752 * config/libgloss.h: Add a note discouraging use with ELF.
25753 * configure.in: Don't use libgloss.h for ELF targets.
25754 Always use_collect2 on a.out targets.
25756 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
25758 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
25759 (force_to_mode, case ASHIFTRT): Add shiftrt label.
25761 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25763 * loop.c (strength_reduce): When doing biv->giv conversion, update
25764 reg note of NEXT->insn.
25766 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25768 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
25770 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25772 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
25773 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
25774 Ensure expr.h is included.
25775 * c-typecheck.c (convert_arguments): Ditto.
25777 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
25779 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
25780 * config/convex/convex.h: Ditto.
25781 * config/dsp16xx/dsp16xx.h: Ditto.
25782 * config/fx80/fx80.h: Ditto.
25783 * config/gmicro/gmicro.h: Ditto.
25784 * config/i370/i370.h: Ditto.
25785 * config/i386/i386.h: Ditto.
25786 * config/m32r/m32r.h: Ditto.
25787 * config/m68k/m68k.h: Ditto.
25788 * config/m88k/m88k.h: Ditto.
25789 * config/mips/mips.h: Ditto.
25790 * config/pa/pa.h: Ditto.
25791 * config/pyr/pyr.h: Ditto.
25792 * config/tahoe/tahoe.h: Ditto.
25793 * config/we32k/we32k.h: Ditto.
25795 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
25796 based on arch size.
25798 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
25800 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
25803 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
25805 1999-08-02 Richard Henderson <rth@cygnus.com>
25807 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
25808 for the register spill block.
25809 (m32r_va_arg): New.
25810 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
25811 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
25813 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
25814 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
25815 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
25817 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25819 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
25820 MAX_WCHAR_TYPE defined in sparc.h.
25821 * config/sparc/linuxaout.h: Likewise.
25822 * config/sparc/linux64.h: Likewise.
25823 Also default to -mvis if CPU is UltraSPARC.
25825 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25827 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
25828 (RTX_OK_FOR_OLO10): Likewise.
25829 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
25830 %lo(), allow it in addresses...
25831 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
25832 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
25833 does not make sense.
25834 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
25835 (sparc_output_scratch_registers): New function.
25836 (output_function_prologue, sparc_flat_output_function_prologue): Use
25838 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
25840 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
25841 * configure.in: Add check for .register pseudo-op support in as and
25842 check for offsetable %lo().
25843 * acconfig.h: Add templates for the above checks.
25844 * configure: Regenerate.
25846 1999-08-02 Richard Henderson <rth@cygnus.com>
25848 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
25849 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
25850 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
25852 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25854 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25857 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25859 * config/float-sparc.h: New file.
25860 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
25861 sparc-*-linux-gnu and sparc64-*-linux*.
25863 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25865 * rs6000.c (rs6000_va_list): Type is an array.
25866 (rs6000_va_start): Don't doubly adjust for varargs.
25867 (rs6000_va_arg): Evaluate long long GPR adjustment.
25869 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
25871 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
25872 -maix64 and -maix32.
25873 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
25874 LINK_SPEC): Change appropriately.
25875 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
25876 (u_short_cint_operand): Likewise.
25877 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
25879 * rs6000/t-aix43 (MULTILIB): Change to -m64.
25881 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
25883 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
25885 * rs6000/rs6000.c (num_insns_constant_wide): Correct
25886 for type promotion.
25887 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
25888 (non_add_cint_operand): Likewise.
25889 (logical_operand): Likewise.
25890 (non_logical_cint_operand): Likewise.
25891 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
25892 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
25893 (rs6000_select_rtx_section): Suppress warning.
25894 (small_data_operand): Suppress warning.
25895 (rs6000_got_register): Suppress warning.
25896 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
25897 type, so `J' is generally the wrong constraint for a SImode value;
25899 (andsi3_internal2): Likewise.
25900 (andsi3_internal3): Likewise.
25901 (iorsi3_internal1): Likewise.
25902 (xorsi3_internal1): Likewise.
25904 (movsf_softfloat): Likewise.
25905 (scc insns): Likewise.
25906 (movsi+2): Preserve sign bits of SImode constant.
25907 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
25908 (movdf+1): Sign-extend properly.
25909 (movdi_32+1): Sign-extend properly.
25910 (scc insns): Sign-extend properly.
25912 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
25915 1999-08-02 Richard Henderson <rth@cygnus.com>
25917 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
25918 -mcpu parsing code.
25919 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
25920 * alpha.md (all fp insns): Likewise.
25922 1999-08-02 Nick Clifton <nickc@cygnus.com>
25924 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
25927 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
25929 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
25930 pic_load_label generator directly.
25931 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
25932 No longer a named pattern.
25934 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
25936 * explow.c (force_reg): Call force_operand if X does not
25937 satisfy general_operand.
25939 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
25941 * fix-header.c (main): When testing for CONTINUED, use string
25942 equality, not pointer equality.
25944 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
25946 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
25948 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
25950 * cse.c (cse_insn): Fix loop which deletes insns after a jump
25951 that has become an unconditional jump.
25953 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
25954 (output_function_epilogue): Similarly.
25956 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25958 * tree.h (init_dummy_function_start): Declare.
25960 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25962 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
25963 last_expr_type, last_expr_value, block_start_count, block_stack,
25964 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
25965 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
25966 dynamically in stmt elt of struct function for each function.
25967 (struct nesting): Rename function_call_count elt to n_function_calls,
25968 target_temp_slot_level to block_target_temp_slot_level. All users
25970 (struct stmt_status): New structure definition.
25971 Add many accessor macros for stmt_status elements which previously
25972 were global variables.
25973 (init_stmt_for_function): Allocate stmt elt for current_function.
25974 Reflect that block_start_count was renamed to
25975 current_block_start_count.
25976 (save_stmt_status, restore_stmt_status): Delete functions.
25977 (preserve_subexpressions_p): Don't access loop_stack when outside
25979 (expand_start_bindings): Reflect that block_start_count was renamed to
25980 current_block_start_count.
25981 (expand_fixup): Likewise.
25982 (expand_decl): Don't access block_stack when outside a function.
25983 (expand_decl_cleanup): Likewise.
25984 (expand_dcc_cleanup): Likewise.
25985 (expand_dhc_cleanup): Likewise.
25986 (expand_anon_union_decl): Likewise.
25987 (set_file_and_line_for_stmt): New function.
25988 (in_control_zone_p): New function.
25990 * function.h (struct function): Add new elt stmt.
25991 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
25992 case_stack, nesting_stack, nesting_depth, block_start_count,
25993 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
25994 emit_lineno, goto_fixup_chain.
25995 (save_eh_status, restore_eh_status, save_stmt_status,
25996 restore_stmt_status): Delete declarations.
25997 * function.c (push_function_context_to): Don't call save_stmt_status.
25998 (pop_function_context_to): Don't call restore_stmt_status.
25999 * tree.h (in_control_zone_p): Declare.
26000 * rtl.h (set_file_and_line_for_stmt): Declare.
26002 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
26003 call set_file_and_line_for_stmt.
26005 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
26007 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
26008 Also update copyright.
26010 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26012 * c-pragma.c: Don't include "except.h".
26013 * emit-rtl.c: Likewise.
26014 * stor-layout.c: Likewise.
26015 * tree.c: Likewise.
26016 * varasm.c: Likewise.
26018 * flow.c: Include "function.h".
26019 * tree.h (init_dummy_function_start): Declare new function.
26021 * except.h (struct eh_status): New structure.
26022 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
26024 (eh_return_stub_label, ehstack, catchstack, ehqueue,
26025 catch_clauses, false_label_stack, caught_return_label_stack,
26026 protect_list, current_function_ehc): Add accessor macros for the
26027 corresponding fields in current_function->eh; delete declarations
26028 for all items that used to be declared here.
26029 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
26030 catch_clauses, false_label_stack, caught_return_label_stack,
26031 protect_list, current_function_ehc): Delete variables.
26032 (init_eh_for_function): Allocate current_function->eh.
26033 (save_eh_status, restore_eh_status): Delete functions.
26035 * function.h (struct function): Add fields next_global and eh.
26036 Delete all exception handling related fields.
26037 * function.c (current_function): New variable.
26038 (all_functions): New variable.
26039 (push_function_context_to): Don't allocate a struct function,
26040 use current_function instead. Call init_dummy_function_start when
26041 outside a function. Clear current_function before returning.
26042 (pop_function_context_from): Restore current_function.
26043 Don't free the restored struct function.
26044 (prepare_function_start): New function.
26045 (init_dummy_function_start): New function.
26046 (init_function_start): Break out some code into prepare_function_start
26049 * stmt.c (save_stmt_status): Don't call save_eh_status.
26050 (restore_stmt_status): Don't call restore_eh_status.
26052 * Makefile.in: Update dependencies.
26054 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
26056 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
26057 of depending on a magic constant value. Update comments.
26058 (hppa_expand_prologue): Similarly.
26060 * pa.md (reload_indi, reload_outdi): Allow any register for the
26061 original reload register.
26063 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
26065 * cccp.c (print_help): Change marcos to macros.
26067 1999-07-30 Richard Henderson <rth@cygnus.com>
26069 * c-typeck.c (initializer_constant_valid_p): Move ...
26070 * c-common.c (initializer_constant_valid_p): ... here. Use
26071 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
26072 of label addresses.
26073 * c-common.h (initializer_constant_valid_p): Declare.
26074 * c-tree.h (initializer_constant_valid_p): Remove.
26076 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
26078 * config/i386/sol2-c1.asm: Align the stack.
26079 * config/i386/sol2-gc1.asm: Likewise.
26081 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
26083 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
26084 -Asparclite for sparc86x.
26085 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
26087 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
26089 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
26091 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
26092 the user if using the non-default arch size in BI_ARCH configuration.
26093 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
26095 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
26096 Fix patterns so that they actually match.
26097 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
26098 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
26099 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
26101 (mulsidi3): Reflect this in the expand.
26102 (smulsi3_highpart): Only on TARGET_ARCH32.
26103 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
26104 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
26105 (umulsidi3): Reflect this in the expand.
26106 (umulsi3_highpart): Only on TARGET_ARCH32.
26107 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
26108 don't require g0 to be zero.
26109 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
26110 ({,u}divsi3): New expands.
26111 ({,u}divsi3_sp64): New patterns.
26112 (after lshrdi3_v8plus): Four new patterns to help combiner
26113 optimizing nested mixed mode shifts.
26115 * config/sparc/sparc.c (sparc_override_options): Use deprecated
26116 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
26117 speed things up. Don't use them by default on plain v9 in 64bit
26118 mode, according to what SPAMv9 sais.
26120 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
26121 top 32 bits of %[og][0-7] in signal handlers.
26122 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
26124 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
26126 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
26127 (ashlsi3): Corresponding changes.
26129 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
26131 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
26133 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
26135 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26137 * arm.h (Hint): Delete macro.
26138 Substitute HOST_WIDE_INT for Hint in some prototypes.
26139 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
26141 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
26143 * builtins.c (expand_builtin_setjmp): Use force_operand to
26144 make sure that the buffer address is in a suitable form to be
26145 passed to force_reg.
26147 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
26149 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
26152 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
26154 * pa.md (indirect_jump): Remove mode from match_operand. Verify
26155 proper mode in the condition string.
26156 (icacheflush, dcacheflush): Remove modes from match_operands.
26158 * pa.c (emit_move_sequence): Always convert scratch_reg to the
26159 proper mode before using it.
26161 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
26164 * pa.c (store_reg): Do not call add_high_const generator directly.
26165 (load_reg, set_reg_plus_d): Likewise.
26166 * pa.md (add_high_const): No longer a named pattern.
26168 * pa.c (legitimize_address): Consistently use Pmode rather than
26169 SImode. Do not call gen_pic2_highpart directly anymore.
26170 * pa.md (pic2_highpart): No longer a named pattern.
26171 (pic2_lo_sum): Similarly. Reformat to make more readable.
26173 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
26178 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26180 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
26182 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
26184 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
26185 and tag the spill mems.
26186 (hppa_va_start): New.
26187 (hppa_va_arg): New.
26188 * pa.h (EXPAND_BUILTIN_VA_START): New.
26189 (EXPAND_BUILTIN_VA_ARG): New.
26191 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
26193 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
26194 and tag the spill mems.
26195 (mn10300_va_start): New.
26196 (mn10300_va_arg): New.
26197 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
26198 (EXPAND_BUILTIN_VA_ARG): New.
26200 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
26202 * mn10200.c (mn10200_va_arg): New.
26203 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
26205 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
26207 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
26208 rather than play with TREE_INT_CST_LOW.
26210 1999-07-27 Philip Blundell <pb@nexus.co.uk>
26212 * config/arm/telf.h: Include dbxelf.h.
26213 (CPP_PREDEFINES): Only define if not already defined.
26214 (ASM_IDENTIFY_GCC): Likewise.
26215 (SUBTARGET_EXTRA_SECTIONS): Likewise.
26216 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
26217 * config/arm/thumb.h (LINK_SPEC): Only define if not already
26219 (DBX_DEBUGGING_INFO): Don't define.
26220 * config/arm/linux-telf.h: New file.
26221 * config/arm/linux-tgas.h: New file.
26222 * config/arm/t-thumb-linux: New file.
26223 * config/arm/uclinux-elf.h: New file.
26224 * config/arm/uclinux-telf.h: New file.
26225 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
26226 thumb-*-uclinux): New targets.
26227 * configure: Regenerate.
26229 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
26231 * pa.md (post_store, pre_load): New expanders.
26232 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
26233 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
26234 need to directly generate RTL for them.
26235 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
26238 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
26240 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
26241 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
26242 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
26243 (secndary_reload_class): Make TARGET_ELF conditional compile.
26244 (print_operand_address): Similar.
26245 (output_toc): Print all values as hex.
26246 (get_issue_rate): Rearrange and add RS64A and PPC630.
26247 * rs6000.h (processor_type): Add RS64A and PPC630.
26248 (PROCESSOR_POWERPC64): New.
26249 (PROMOTE_MODE): Use word_mode.
26250 (RTX_COSTS): Add RS64A and PPC630.
26251 * rs6000.md (scheduling information): Add lmul and ldiv
26252 representing 64-bit integer multiply and divide. Add rs64a and
26253 PPC630 information.
26254 (ashldi3): Add support for "rldic" instruction.
26255 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
26257 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
26259 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
26260 instead of V8 for sparclite86x in cpu_table.
26262 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26264 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
26265 output_file_directive.
26267 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
26269 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
26270 tree for op1, not the rtl.
26272 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
26274 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
26275 to m88k_va_start, leaving only the register spill.
26276 (m88k_build_va_list): New.
26277 (m88k_va_start): New.
26278 (m88k_va_arg): New.
26279 * m88k.h (BUILD_VA_LIST_TYPE): New.
26280 (EXPAND_BUILTIN_VA_START): New.
26281 (EXPAND_BUILTIN_VA_ARG): New.
26283 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
26285 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
26286 Rename from expand_builtin_saveregs.
26287 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
26289 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
26291 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
26292 for the register spill block.
26293 (i960_build_va_list): New.
26294 (i960_va_start): New.
26295 (i960_va_arg): New.
26296 * i960.h (BUILD_VA_LIST_TYPE): New.
26297 (EXPAND_BUILTIN_VA_START): New.
26298 (EXPAND_BUILTIN_VA_ARG): New.
26299 * i960.md (store_multiple): Use change_address on individul mems.
26301 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
26303 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
26305 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
26306 (expand_builtin_va_end): Evaluate arg for side effects.
26307 * c-common.c (c_common_nodes_and_builtins): Construct a
26308 va_list_arg_type_node to handle array decomposition to pointer.
26310 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
26312 * except.c (st_dynamic_cleanup): Use force_operand on the
26315 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
26317 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
26318 * c4x.c (c4x_va_arg): New.
26320 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
26322 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
26323 has manual_pop set.
26325 1999-07-26 Nathan Sidwell <nathan@acm.org>
26327 * eh-common.h (__eh_matcher): Prototype correctly.
26329 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
26331 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
26332 (TARGET_SINGLE_PIC_BASE): Likewise.
26333 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
26335 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
26336 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
26337 (TARGET_OPTIONS): Add -mpic-register=N.
26338 (OUTPUT_INT_ADDR_CONST): New macro.
26339 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
26340 LEGITIMATE_PIC_OPERAND_P): Likewise.
26341 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
26342 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
26343 output_addr_const directly.
26344 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
26346 (thumb_pic_register, thumb_pic_register_string): Declare.
26348 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
26350 (label_mentioned_p): New function: Imported from arm.c.
26351 (legitimize_pic_address): New function: Imported from arm.c.
26352 (is_pic):New function: Imported from arm.c.
26353 (thumb_finalize_pic):New function: Imported from arm.c.
26354 (add_constant): Cope with PIC constants.
26355 (fixit): Cope with PIC constants.
26356 (output_return): Do not treat the PIC register as live if
26357 TARGET_SINGLE_PIC_BASE is true.
26358 (thumb_function_prologue): Do not treat the PIC register as live if
26359 TARGET_SINGLE_PIC_BASE is true.
26360 (thumb_expand_prologue): Do not treat the PIC register as live if
26361 TARGET_SINGLE_PIC_BASE is true.
26362 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
26363 TARGET_SINGLE_PIC_BASE is true.
26364 (thumb_print_operand): Accept '|'.
26365 (thumb_override_options): Process PIC options.
26367 * config/arm/thumb.md (movsi): Support PIC.
26368 (call_insn): Change "i" constraint to "X".
26369 (call_value_insn): Likewise.
26370 (consttable_4, consttable_8, consttable_end): Set and clear
26371 "making_const_table" as appropriate.
26372 (pic_load_addr, pic_add_dot_plus_four): New insns.
26374 * invoke.texi (Thumb Options): Fix spelling. Document new
26375 options -msingle-pic-base and -mpic-register=.
26377 1999-07-26 Andrew Haley <aph@cygnus.com>
26379 * config/m32r/initfini.c (__init): Use a full word immediate for
26380 __fini: this allows it to be placed in any memory region.
26382 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
26383 -mmodel=medium. This is OK for all memory models.
26385 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
26387 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
26388 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
26390 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
26392 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
26395 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
26397 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
26399 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
26400 (BUILD_VA_LIST_TYPE): New.
26401 (EXPAND_BUILTIN_VA_START): New.
26402 (EXPAND_BUILTIN_VA_ARG): New.
26403 * i860.c (output_delayed_branch): Disable.
26404 (output_delay_insn): Likewise.
26405 (i860_saveregs): New.
26406 (i860_build_va_list): New.
26407 (i860_va_start): New.
26408 (i860_va_arg): New.
26409 * i860.md: Disable all peepholes using output_delayed_branch.
26410 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
26412 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
26414 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
26415 (BUILD_VA_LIST_TYPE): New.
26416 (EXPAND_BUILTIN_VA_START): New.
26417 (EXPAND_BUILTIN_VA_ARG): New.
26418 * clipper.c (clipper_builtin_saveregs): Only dump registers.
26419 Return the address of the save area.
26420 (clipper_build_va_list): New.
26421 (clipper_va_start): New.
26422 (clipper_va_arg): New.
26424 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
26426 * arc.h (EXPAND_BUILTIN_VA_START): New.
26427 (EXPAND_BUILTIN_VA_ARG): New.
26428 * arc.c (arc_setup_incoming_varargs): Set alias set of
26430 (arc_va_start): New.
26433 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
26435 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
26436 (BUILD_VA_LIST_TYPE): New.
26437 (EXPAND_BUILTIN_VA_START): New.
26438 (EXPAND_BUILTIN_VA_ARG): New.
26439 * alpha.c (alpha_builtin_saveregs): Delete.
26440 (alpha_build_va_list): New.
26441 (alpha_va_start): New.
26442 (alpha_va_arg): New.
26444 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
26446 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
26448 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
26449 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
26451 * gcc.texi: More changes related to list conversion.
26452 * invoke.texi: Likewise.
26454 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
26456 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
26457 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
26458 (expand_builtin_next_arg): Accept ARGLIST not EXP.
26459 (stabilize_va_list): New function.
26460 (std_expand_builtin_va_start): New function.
26461 (expand_builtin_va_start): New function.
26462 (get_varargs_alias_set): New function.
26463 (std_expand_builtin_va_arg): New function.
26464 (expand_builtin_va_arg): New function.
26465 (expand_builtin_va_end): New function.
26466 (expand_builtin_va_copy): New function.
26467 (expand_builtin): Call them.
26468 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
26469 __builtin_{varargs_start,stdarg_start,end,copy}.
26470 (build_va_arg): New function.
26471 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
26472 (build_va_arg): Declare.
26473 * c-decl.c (ptr_type_node, va_list_type_node): New.
26474 * c-parse.gperf (__builtin_va_arg): New.
26475 * c-parse.in (VA_ARG): New token.
26476 (unary_expr): Recognize it.
26477 * expr.c (expand_expr): Expand VA_ARG_EXPR.
26478 * expr.h (std_expand_builtin_va_start): Declare.
26479 (std_expand_builtin_va_arg): Declare.
26480 (expand_builtin_va_arg): Declare.
26481 (get_varargs_alias_set): Declare.
26482 * tree.def (VA_ARG_EXPR): New.
26483 * tree.h (BUILT_IN_VARARGS_START): New.
26484 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
26485 (ptr_type_node, va_list_type_node): Declare.
26486 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
26487 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
26488 * m88k.h, m88k.c: Likewise.
26489 * mn10300.h, mn10300.c: Likewise.
26490 * pa.h, pa.c: Likewise.
26491 * rs6000.h, rs6000.c: Likewise.
26492 * sh.h, sh.c: Likewise.
26493 * sparc.h, sparc.c: Likewise.
26495 * emit-rtl.c (operand_subword): Copy alias set.
26496 (change_address): Likewise.
26498 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
26500 * pa.c (compute_frame_size): Scan all the used callee saved registers,
26501 not just the first one.
26503 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
26505 * config/arm/arm.h (TARGET_SWITCHES): Add
26506 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
26507 (TARGET_OPTIONS): Add -mpic-register=.
26508 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
26509 (arm_pic_register_string): Declare.
26510 (NEED_PLT_GOT): Delete, replace with ...
26511 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
26512 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
26513 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
26514 * config/arm/arm.c (arm_override_options): Add new option
26516 (arm_pic_register_string): New variable.
26517 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
26518 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
26519 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
26520 (output_return_instruction): Likewise.
26521 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
26522 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
26523 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
26525 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
26526 mention of -msched-prolog. Document new options -msingle-pic-base
26527 and -mpic-register=.
26529 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
26531 * haifa-sched.c (reemit_notes): Tidy.
26532 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
26535 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
26537 * explow.c (trunc_int_for_mode): New function.
26538 (plus_constant_wide): Use it.
26539 * combine.c (simplify_and_const_int): Likewise.
26540 (merge_outer_ops): Likewise.
26541 (simplify_shift_const): Likewise.
26542 * cse.c (simplify_unary_operation): Likewise.
26543 (simplify_binary_operation): Likewise.
26544 * emit-rtl.c (operand_subword): Likewise.
26545 * rtl.h: Declare it.
26547 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26549 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
26550 (use NUM_REGS instead of NUM_INTS).
26552 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26554 * builtins.c: New file.
26555 * expr.c (saveregs_value, apply_args_value): Delete definition,
26556 moved into builtins.c.
26557 (string_constant): No longer static.
26558 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
26559 apply_args_size, apply_result_size, result_vector,
26560 expand_builtin_apply_args, expand_builtin_apply,
26561 expand_builtin_return): Delete functions, moved into builtins.c.
26562 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
26563 * expr.h (saveregs_value, apply_args_value): Declare variables.
26564 (expand_builtin, string_constant): Declare functions.
26565 * Makefile.in: Update to build builtin.o.
26567 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
26569 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
26570 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
26571 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
26572 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
26574 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
26577 1999-07-21 Michael Meissner <meissner@cygnus.com>
26579 * print-rtl.c (print_rtx): Print the names of the virtual
26582 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
26584 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
26585 introduced in previous delta.
26587 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26589 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
26590 to avoid name clash.
26592 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
26594 * c-lex.c (yylex) : Correct the test for overflow when lexing
26597 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
26599 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
26600 (adjust_priority): Always call ADJUST_PRIORITY.
26601 (schedule_insn): Only put insns into the ready at cost 0.
26602 (schedule_block): Remove redundant initial sort. Give clock_var
26603 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
26605 * tm.texi (MD_SCHED_REORDER): Update docs.
26607 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
26608 * sparc.c (ultra_reorder_called_this_block): Delete.
26609 (ultrasparc_sched_init): Don't set it.
26610 (ultrasparc_sched_reorder): Don't check it.
26612 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
26614 * rs6000.h (struct rs6000_args): Add sysv_gregno.
26615 * rs6000.c (init_cumulative_args): Init sysv_gregno.
26616 (function_arg_boundary): Align DFmode.
26617 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
26618 to get fp reg and stack overflow correct.
26619 (function_arg): Likewise.
26620 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
26621 (setup_incoming_varargs): Restructure for ABI_V4; use
26622 function_arg_advance to skip final named argument.
26623 (expand_builtin_saveregs): Properly unskip the last integer arg
26624 when doing varargs. Adjust overflow location calculation.
26626 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
26627 explicitly unsigned.
26628 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
26629 (__VA_GP_REGSAVE): Similarly.
26630 (__va_longlong_p): Delete.
26631 (__va_arg_type_violation): New declaration.
26632 (va_arg): Restructure. Flag promotion errors. Align double.
26633 TFmode passed by reference.
26635 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
26636 in the HOST_BITS_PER_WIDE_INT > 32 case.
26638 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
26640 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
26642 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
26644 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
26645 * toplev.c (documented_lang_options): Add -fpreprocessed.
26646 * cpplib.h (struct cpp_buffer): Add preprocessed.
26647 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
26648 (cpp_start_read): Don't expand macros or emit an initial #line
26649 directive if -fpreprocessed.
26651 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26653 * cpplib.h (struct cpp_buffer): Added manual_pop for
26654 better C++ tokenization.
26655 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
26656 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
26657 * c-common.c (cpp_token): Make non-static.
26659 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26661 * c-common.h: New file.
26662 * c-common.c (permanent_obstack): Delete unused declaration.
26663 (c_global_trees): New array.
26664 (c_common_nodes_and_builtins): New function; split off common code
26665 from init_decl_processing in both c-decl.c and cp/decl.c.
26666 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
26667 c_global_trees and accessor macros defined in c-common.h.
26668 Include c-common.h.
26669 * c-decl.c: Delete definitions for tree nodes that were replaced by
26671 (init_decl_processing): Build void_list_node.
26672 Call c_common_nodes_and_builtins; delete code to generate the common
26674 * objc/objc-act.c (build_module_descriptor): Rename variable
26675 void_list_node to avoid clash with c-common.h.
26677 * Makefile.in: Update dependencies.
26678 * objc/Make-lang.in: Likewise.
26680 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
26682 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
26683 (UNIQUE_SECTION_P): Likewise.
26684 (UNIQUE_SECTION): Likewise.
26686 1999-07-19 Linas Vepstas <linas@linas.org>
26688 * config/i370/README: New file.
26689 * config/i370/linux.h: New file.
26690 * config/i370/mvs.h: New file.
26691 * config/i370/oe.h: New file.
26692 * config/i370/t-linux: New file.
26693 * config/i370/t-mvs: New file.
26694 * config/i370/t-oe: New file.
26695 * config/i370/x-oe: New file.
26696 * config/i370/xm-linux.h: New file.
26697 * config/i370/xm-mvs.h: New file.
26698 * config/i370/xm-oe.h: New file.
26700 * i370.c (label_node_t): Add first_ref_page, label_addr,
26701 label_first_ref, label_last_ref members.
26702 (mvs_need_base_reload): Renamed from mvs_label_emitted.
26703 (MAX_MVS_LABEL_SIZE): Define.
26704 (MAX_LONG_LABEL_SIZE): Define.
26705 (alias_node_t, alias_anchor, alias_number): New.
26706 (mvs_function_table): Reorder for EBCDIC.
26707 (ascebc, ebcasc): Unconditionally define.
26708 (i370_branch_dest, i370_branch_length): New functions.
26709 (i370_short_branch, i370_label_scan): New functions.
26710 (mvs_get_label): Renamed from mvs_add_label. Search for
26711 an existing label before creating a new one.
26712 (mvs_add_label): New function.
26713 (mvs_get_label_page): New function.
26714 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
26715 over the entire list.
26716 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
26717 (mvs_check_page) [TARGET_ELF_ABI]: New function.
26718 (mvs_add_alias, mvs_need_alias): New functions.
26719 (mvs_get_alias, mvs_check_alias): New functions.
26720 (handle_pragma): New function.
26721 (mvs_function_check): New function.
26722 (unsigned_jump_follows_p): Search harder.
26723 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
26724 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
26725 * i370.h (TARGET_VERSION): Delete.
26726 (CPP_SPEC, CPP_PREDEFINES): Delete.
26727 (mvs_label_emitted): Delete.
26728 (TARGET_EBCDIC): Delete.
26729 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
26730 (HANDLE_PRAGMA): Define.
26731 (HARD_REGNO_NREGS): Handle complex modes.
26732 (HARD_REGNO_MODE_OK): Likewise.
26733 (CLASS_MAX_NREGS): Likewise.
26734 (RET_REG): Likewise.
26735 (EXTRA_CONSTRAINT): Define.
26736 (RETURN_IN_MEMORY): True for DImode.
26737 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
26738 (FUNCTION_PROFILER): Delete.
26739 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
26740 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
26741 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
26742 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
26743 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
26744 (ASM_FILE_START): Add "RMODE ANY".
26745 (ASM_OUTPUT_EXTERNAL): Check for aliases.
26746 (ASM_GLOBALIZE_LABEL): Likewise.
26747 (ASM_OUTPUT_LABELREF): Likewise.
26748 (ASM_OUTPUT_COMMON): Likewise.
26749 (PRINT_OPERAND): Handle 'K', 'W', default.
26750 (PRINT_OPERAND_ADDRESS): New.
26751 (Lots of defines): Add support for TARGET_ELF_ABI.
26752 * i370.md (attr length): New. Define for all patterns.
26753 (*): Lots of tweeks to assembly output and constraints.
26755 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
26757 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
26758 Disable patterns performing SImode comparisons with SImode values
26759 if TARGET_POWERPC64 and instruction does not sign-extend or does
26760 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
26761 differ for signed quantities.
26762 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
26763 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
26764 (decrement_and_branch_on_count): Add 64-bit variant.
26766 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26768 * final.c (output_asm_insn): When searching for the matching string
26769 for a given dialect, don't run past the end of the list of
26770 alternatives if there are fewer alternatives in the template than
26773 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
26775 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
26776 Removed paragraph about compression of files and size limitation,
26777 duplicated in the FAQ. Use gcc-patches for posting patches.
26778 * gcc.c (main): Updated URL with bug reporting instructions to
26779 gcc.gnu.org. Removed e-mail address.
26780 * system.h (abort): Likewise.
26782 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26784 * Makefile.in (stmp-multilib-sub): Make the files extracted
26785 from $(LIBGCC1) writable.
26787 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
26789 * config/arm/aout.h: Reformat for improved readability.
26791 * config/arm/arm.h: Reformat for improved readability.
26792 Replace uses of fprintf with asm_fprintf where appropriate.
26793 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
26794 function declaration assembler actions.
26795 (NUM_INTS): New macro: Convert from bytes to words.
26796 (NUM_REGS): New macro: Compute number of registers required to
26797 hold a quanitity of tyep MODE.
26798 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
26800 (NUM_ARG_REGS): New macro: The number of argument registers
26802 (ARG_REGISTER): New macro: Compute the register number of the Nth
26804 (LAST_ARG_REGNUM): New macro: The number of the last argument
26806 (SP_REGNUM): New macro: Register number of the stack pointer.
26807 (FP_REGNUM): New macro: Register number of the frame pointer.
26808 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
26809 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
26810 CUMULATIVE_ARGS so that it counts registers not bytes.
26812 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
26814 Replace uses of fprintf with asm_fprintf where appropriate.
26815 (output_ascii_pseudo_op): Replace with version from thumb.c
26817 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
26819 * config/arm/elf.h (CPP_PREDEFINES): Replace with
26820 SUBTARGET_CPP_SPEC.
26821 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
26822 (ASM_FILE_START): Emit ASM_APP_OFF.
26824 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
26826 * pa.c (compute_frame_size): Round frame according to
26827 STACK_BOUNDARY rather than a hardwired value.
26829 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
26831 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
26833 * configure: Rebuilt.
26835 * configure.in (hppa*-*-linux*): New configuration.
26836 * configure: Rebuilt.
26837 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
26838 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
26839 * pa/pa-linux.h: New file.
26840 * pa/t-linux: New file.
26841 * pa/xm-linux.h: New file.
26843 * pa.c (hppa_legitimize_address): Change references from SImode to
26844 either Pmode or word_mode as appropriate.
26845 (emit_move_sequence, store_reg, load_reg): Likewise.
26846 (set_reg_plus_d, hppa_expand_prologue): Likewise.
26847 (output_mul_insn): Likewise.
26848 * pa.h (PROMOTE_MODE): Likewise.
26849 (INITIALZE_TRAMPOLINE): Likewise.
26850 (Pmode): Define to word_mode.
26852 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
26853 value of 4. Allocate 8 bytes for each FP register save.
26854 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
26856 (hppa_expand_prologue): Likewise.
26857 * pa.h (PROMOTE_MODE): Likewise.
26858 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
26859 (FUNCTION_ARG_BOUNDARY): Likewise.
26861 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
26863 * pa.c (out_of_line_prologue_epilogue): Delete.
26864 (override_options): Remove -mspace related code.
26865 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
26866 (compute_frame_size): Only allocate space for register that
26867 actually need to be saved.
26868 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
26869 (TARGET_SWITCHES): Remove -mspace, -mno-space
26870 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
26871 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
26872 * pa/ee.asm, pa/ee_fp.asm: Delete.
26874 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
26876 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
26877 directive in column zero.
26879 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
26881 * m68k.c (output_function_prologue): Fix computation of save mask
26882 when generating PIC code.
26884 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
26886 * tree.c (build_type_attribute_variant): Move current_obstack restore
26887 after build_qualified_type call.
26889 1999-07-15 Mark Mitchell <mark@codesourcery.com>
26891 * configure.in: Use t-iris6, even with GNU LD.
26892 * config/mips/iris6gld.h: Fix typo in linker spec.
26893 * config/mips/t-iris6gld: Remove.
26895 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
26897 * rs6000.md (insv, extzv): Remove SImode dependence in named
26898 patterns. Explicitly generate DImode RTL if PowerPC64 and
26900 (insvdi): Reverse start and size in instruction template.
26902 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
26904 * invoke.texi: Typo fixes.
26906 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
26908 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
26909 handle at this time instead of silently generating incorrect code.
26910 (gen_imagpart): Likewise.
26912 * reload.c (find_reloads): Emit a USE for a pseudo register without
26913 a hard register if we could not create an optional reload for the
26916 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26918 * c-typeck.c (output_init_element, process_init_element):
26919 When advancing constructor_unfilled_fields for a RECORD_TYPE,
26920 check for nameless bit fields.
26922 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
26924 * regclass.c (scan_one_insn): Notice subregs that change the
26925 size of their operand.
26926 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
26928 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
26930 * configure.in (alpha*-*-*): Include alpha/t-ieee.
26931 * configure: Rebuilt.
26932 * alpha/t-ieee: New file.
26934 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
26936 * rs6000.c (find_addr_reg): Do not select r0 as an address
26939 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
26941 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
26943 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
26945 * rs6000.md (movsf): Do not force easy FP constants into memory.
26947 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
26948 immed_double_const to ensure they are properly truncated then
26951 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26953 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
26954 always unless NO_DEBUG is used. Compile this code
26956 (replace_symbols_in_block): Compile it unconditionally.
26958 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
26960 * configure.in (i?86-*-elf*): New target.
26961 * configure: Rebuilt.
26962 * i386/i386elf.h, i386/t-i386elf: New files.
26964 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26966 * toplev.c (main): Don't complain about saying -gdwarf.
26967 (rest_of_compilation): Remove redundant code.
26969 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
26971 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
26973 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
26975 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
26976 "Li960R:", to avoid name clash.
26978 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26980 * loop.c (check_dbra_loop): When reversing a loop, delete all
26981 REG_EQUAL notes referencing the reversed biv except those which are
26982 for a giv based on it.
26984 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
26986 * version.c: Drop "gcc-" prefix from version #.
26988 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
26990 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
26991 the label if we're being verbose.
26993 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
26995 * m68k.c (output_function_prologue): Add pic register to mask
26996 if live and flag_pic.
26997 (output_function_epilogue): Likewise.
26999 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
27001 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
27002 directives in column zero.
27004 * pa/elf.h (ASM_FILE_START): Define.
27005 * pa/som.h (ASM_FILE_START): Include .level directives.
27006 * pa/hpux10.h (ASM_FILE_START): Delete.
27007 * pa/hpux11.h (ASM_FILE_START): Delete.
27009 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
27011 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27013 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
27014 when reload_out equals reload_in.
27016 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
27018 * invoke.texi (Spec Files): New node: Describe the contents of
27021 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
27023 * invoke.texi (DEC Alpha Options): Put @end table at
27024 beginning of line, to avoid confusing texi2html.
27026 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
27028 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
27029 introduced in previous delta.
27031 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27033 * reload1.c (gen_reload): When synthesizing a 3 operand add
27034 sequence, improve test for when to reload OP1 into the reload
27035 register instead of OP0.
27037 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
27039 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
27041 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
27043 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
27046 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
27048 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
27049 (va_dcl): Use __builtin_va_alist_t.
27051 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
27053 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
27054 on the permanent_obstack.
27055 * dwarfout.c (output_type): Likewise.
27057 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
27059 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27060 Merged from c-typeck.c and cp/typeck.c.
27061 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27062 Merged into c-common.
27064 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
27066 * c-lex.c (errorcount): Declare it.
27067 (finish_parse): Update errorcount when using CPPLIB.
27069 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
27071 * fixinc/inclhack.def(end_else_label): Double the backslash so
27072 sed gets a chance to see it.
27073 * fixinc/inclhack.sh: regen
27074 * fixinc/fixincl.x: regen
27076 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
27078 Add framework to support armv5 architecture when it becomes
27081 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
27082 (arm_arch5): New variable.
27083 (all_architectures): Add armv5 line.
27084 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
27085 -march=armv5 is specified on the command line.
27086 (arm_arch5): Export this variable.
27087 * invoke.texi: Document new string accepted by -march= switch for
27090 * config/arm/arm.h: Replace use of constant 12 as a register
27091 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27092 * config/arm/arm.c: Replace use of constant 12 as a register
27093 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27095 * config/arm/elf.h: Tidy up.
27096 * config/arm/coff.h: Tidy up.
27098 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
27100 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
27101 * gcc/config/mips/t-iris6gld: New file.
27102 * gcc/config/mips/iris6gld.h: Likewise.
27104 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
27106 * c-decl.c (widest_integer_literal_type_node,
27107 widest_unsigned_literal_type) : New.
27108 (init_decl_processing): Handle/use the two new types.
27109 * c-common.c (type_for_size,type_for_mode) : Same.
27110 * c-lex.c (yylex) : Same.
27111 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27113 * c-tree.h (widest_integer_literal_type_node,
27114 widest_unsigned_literal_type) : New.
27116 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
27118 * dwarfout.c (field_byte_offset): Correctly compute the object's
27119 byte offset for the first bit of a field which crosses an alignment
27120 boundary on a !BYTES_BIG_ENDIAN target.
27122 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
27124 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
27127 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
27128 Jeff Law <law@cygnus.com>
27130 * ginclude/varargs.h (va_dcl): Use word_mode for type of
27133 * except.c: Include intl.h.
27134 (expand_eh_return): Set current_function_cannot_inline.
27135 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
27136 * function.h (struct function): Add eh_return_stub_label.
27137 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
27138 * Makefile.in (except.o): Depend on intl.h.
27140 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
27142 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
27143 same as offsettable in cases 1 and 2.
27145 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
27147 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
27148 (extlh, extwh): Likewise.
27150 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
27152 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
27154 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
27156 * configure.in: Add arm-pe and thumb-pe targets.
27157 * configure: Regenerate.
27159 * thumb.c (arm_naked_function_p): New function: Determines if
27160 a function is naked (has no gcc generated prologue/epilogue).
27161 (is_called_in_ARM_mode): Return true if the func has the
27162 interfacearm attribute.
27163 (output_return): Do not generate a return for naked functions.
27164 (thumb_function_prologue): Do not generate a prologue for
27166 (thumb_expand_prologue): Do not generate a prologue for naked
27168 (thumb_expand_epilogue): Do not generate an epilogue for naked
27170 (arm_valid_machine_decl_attribute): New function, copied from
27171 arm.c: Permit naked and interfacearm attributes.
27173 * config/arm/pe.c: New file: Support code for arm-pe target.
27174 * config/arm/pe.h: New file: Header file for arm-pe target.
27175 * config/arm/tpe.h: New file: Header file for thumb-pe target.
27176 * config/arm/t-thumb-pe: New file: Makefile fragment for
27179 1999-07-01 Mark Kettenis <kettenis@gnu.org>
27181 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
27182 -fPIC or -fpic is specified.
27184 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
27186 * expr.c (emit_block_move): Use copy_to_mode_reg for
27187 !TARGET_MEM_FUNCTIONS case too.
27189 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
27191 * configure: Rebuilt.
27192 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
27193 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
27194 definitions made redundant by dbxelf.h inclusion. Delete
27195 lots of definitions related to assembly output that are
27196 specific to the SOM object format.
27197 * pa.c (output_function_prologue): Do not emit the function's
27199 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
27200 * pa-pro.h: Deleted.
27201 * som.h: New file with SOM specific definitions.
27202 * elf.h: New file with ELF specific definitions.
27204 * elfos.h (const_section): Output a tab before assembler directives.
27205 (ctors_section, dtors_section): Likewise.
27206 (ASM_OUTPUT_SECTION_NAME): Likewise.
27208 * pa/pa1.h: Delete unused file.
27210 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
27212 * configure.in (hppa*-hp-hpux11*): New configuration.
27213 * configure: Rebuilt.
27214 * pa/pa-hpux11.h: New file.
27215 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
27218 * mips.md (leasi, leadi): New patterns.
27220 * expr.c (emit_block_move): Properly handle case where one of the
27221 block move arguments has a queued increment or decrement.
27222 (clear_storage): Similarly. Fix formatting goof.
27224 1999-06-28 "David O'Brien" <obrien@NUXI.com>
27226 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
27227 semicolon from the BSD VA_LIST replacement expression.
27229 * fixinc/inclhack.sh: regen
27230 * fixinc/fixincl.x: regen
27232 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
27233 now use the fixincl program.
27235 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
27237 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
27238 case. Also make the PIC register call_used.
27240 * m68k.h (FINALIZE_PIC): Delete.
27241 * m68k.c (finalize_pic): Delete.
27243 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
27245 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
27248 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
27250 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
27252 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
27254 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
27256 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
27258 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
27260 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
27262 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
27264 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
27266 * rs6000.c (output_toc): Always use hex values for floating-point
27267 constants. Store single-precision values in upper-half of TOC
27268 entry in 64-bit mode.
27269 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
27270 to final constraints.
27271 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
27272 (fctiwz): Improve accuracy of RTL for pattern.
27274 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
27276 * expr.c (expand_expr): Allow RTL_EXPR's through the
27277 MAX_INTEGER_COMPUTATION_MODE checks.
27279 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
27281 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
27282 such that MASK_SUPPORT_ARCH is not negative.
27284 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
27286 * loop.c (verify_dominator): Properly handle ADDR_VEC and
27287 ADDR_DIFF_VEC insns that appear inside loops.
27289 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
27290 Jeff Law <law@cygnus.com>
27292 * rs6000.md (movdf_hardfloat32): Revert previous patch.
27293 Handle LO_SUM the same as offsettable in cases 1 and 2.
27294 * rs6000.c (find_addr_reg): Revert previous patch.
27296 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
27298 * system.h (strstr): New external function declaration.
27299 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
27300 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
27301 * config.in, configure: Rebuilt.
27303 1999-06-24 Tom Tromey <tromey@cygnus.com>
27305 * gcc.c (main): Read user-specified specs files after computing
27306 additional startfile_prefixes.
27308 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
27310 Revert these two patches:
27312 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27313 * loop.c (strength_reduce): When doing biv->giv conversion, update
27314 reg note of NEXT->insn.
27316 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27317 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27319 (recombine_givs): Set ix field after sorting.
27321 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27323 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
27324 for the parts of an UNSPEC / UNSPEC_VOLATILE.
27326 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
27328 *fixinc/inclhack.def: Add fix development commentary
27329 (read_ret_type): reactivate and add selection clause
27330 (zzz_*): tweak output file name to match what is used in hackshell.tpl
27331 *fixinc/{fixincl.x|inclhack.sh}: regen
27333 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
27335 * expr.c (expand_expr): STRIP_NOPS before checking against
27336 MAX_INTEGER_COMPUTATION_MODE
27337 (check_max_integer_computation_mode): Likewise.
27339 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
27341 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
27343 1999-06-22 Jim Wilson <wilson@cygnus.com>
27345 * expr.c (store_expr): When target is a promoted subreg, return a
27346 promoted subreg as a result.
27348 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
27350 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
27352 (dwarf2out_define): Mark unused parameters appropriately.
27353 (gen_unspecified_parameters_die): Ditto.
27354 (gen_subprogram_die): Fix signed/unsigned warnings.
27355 (gen_variable_die): Ditto.
27357 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
27359 * fixinc/inclhack.def(end_else_label): combined else_label
27360 and endif_label and fixed the sed expression.
27361 *fixinc/{fixincl.x|inclhack.sh}: regen
27363 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
27365 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
27366 'x' when handling non-offsettable addresses
27368 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
27370 * final.c (shorten_branches): Don't try to split an insn that has
27373 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
27375 * config/mips/mips.c (symbolic_expression_p): New function.
27376 (mips_select_rtx_section): Put symbolic expressions in the
27377 data section, not the read-only data section.
27379 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
27381 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
27383 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
27385 * collect2.c (main): Log frame table count.
27386 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
27387 (scan_prog_file) [COFF]: Handle frame tables.
27389 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
27390 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
27391 * alpha/elf.h: Undef them again.
27392 * alpha/vms.h: Remove their definitions.
27394 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27396 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
27397 remove the clobber of r0 and change the REG_UNUSED note to
27400 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
27402 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
27403 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
27404 fits in HOST_WIDE_INT and one uses union to access a long constant
27407 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
27409 * sparc.c (sparc_override_options): Don't allow profiling for
27410 code models other than medlow.
27411 (sparc_function_profiler): New function from old FUNCTION_PROFILER
27412 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
27413 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
27414 (sparc_block_profiler): Likewise.
27415 (sparc_function_block_profiler_exit): Likewise.
27416 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
27417 (FUNCTION_BLOCK_PROFILER): Likewise.
27418 (BLOCK_PROFILER): Likewise.
27419 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
27420 (MCOUNT_FUNCTION): New.
27421 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
27422 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
27423 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
27424 (MCOUNT_FUNCTION): New.
27425 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
27426 (BLOCK_PROFILER): Delete.
27427 (MCOUNT_FUNCTION): New.
27429 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
27431 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
27433 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27435 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27438 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27441 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27444 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27447 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
27449 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
27452 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
27454 * i386/djgpp.h (LIB_SPEC): New.
27455 (STARTFILE_SPEC): New.
27457 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
27459 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
27461 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
27464 * system.h (WSTOPSIG): New macro.
27466 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
27468 * c-pragma.c (push_alignment): Don't ignore alignments greater than
27470 (insert_pack_attributes): Take into account member natural
27473 * i386/winnt.c (exports_head): New static variable.
27474 (i386_pe_record_exported_symbol): New function.
27475 (i386_pe_asm_file_end): Use.
27476 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
27477 symbols to be emitted at end of assembly.
27478 (ASM_DECLARE_OBJECT_NAME): Likewise.
27479 (ASM_DECLARE_FUNCTION_NAME): Likewise.
27481 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
27484 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
27486 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
27489 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
27491 * haifa-sched.c (sched_analyze_1): Use free_list instead of
27492 zapping reg_last_uses directly.
27493 (sched_analyze_2, sched_analyze_insn): Likewise.
27494 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
27496 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
27498 * rs6000.md (movdf_hardfloat32): Use worst case insn length
27499 attributes for cases 1 and 2.
27501 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
27503 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
27506 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
27508 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
27510 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
27512 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
27513 PIC_OFFSET_TABLE_REGNUM for general alloaction.
27514 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
27515 must be stacked if it is used for PIC accesses.
27516 * arm.c (use_return_insn): Handle PIC register specially.
27517 (output_return_instruction): Likewise.
27518 (output_func_{prologue,epilogue}): Likewise.
27519 (output_expand_prologue): Likewise.
27521 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
27522 (*strsi_predec): Renamed from *strqi_predec.
27523 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
27524 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
27526 * arm.c (arm_override_options): Remove warning about PIC code
27527 not being supported.
27529 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
27531 * rs6000.c (find_addr_reg): New function.
27532 * rs6000.h (find_addr_reg): Declare.
27533 (offsettable_addr_operand): Delete.
27534 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
27535 from and stores to GPRs.
27537 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
27539 * alpha.c (alpha_expand_block_move): Use get_insns rather than
27540 gen_sequence as argument to emit_no_conflict_block.
27542 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27544 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
27545 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
27546 *fixinc/fixincl.x: regen
27547 *fixinc/inclhack.sh: regen
27549 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
27551 * added support for -mpcrel (PC relative addressing for m68k)
27552 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
27553 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
27554 * m68k.c (print_operand_address): Handle 32-bit PIC case.
27555 (comments for general_src_operand): Add some explanation
27556 about EXTRA_CONSTRAINTS.
27557 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
27558 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
27559 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
27560 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
27561 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
27562 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
27563 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
27564 if not already set.
27565 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
27566 * m68k.h (TARGET_PCREL): New target flag.
27567 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
27568 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
27569 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
27570 contains a SYMBOL_REF. Relax this constraint during reload, since
27571 we want to use the predicates, not reload's built-in concept of a
27572 valid memory address, to control what insns need reloading.
27573 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
27574 operands (essentially 'g', 'm', and 's' under normal circumstances).
27575 * m68k.c (print_operand): Cause printing of pc-relative addresses
27576 to include pc register.
27577 (print_operand_address): Ditto.
27578 (general_src_operand): Accept operands that are not only
27579 general_operands, but are also valid when used as a pc-relative
27581 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
27582 (memory_src_operand): Similar, for memory_operands.
27583 (pcrel_address): New predicate to accept the special case of a
27584 pc-relative address.
27585 * m68k.md (many patterns): Rewrite common SImode, HImode, and
27586 QImode insns to accept *_src_operand instead of *_operand where
27587 pc-relative operands can fit. For example, a pc-relative operand
27588 can be used as a memory source operand for addsi3, but not as a
27589 memory destination.
27590 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
27592 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
27594 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
27595 .thumb_set pseudo op to mark aliases of thumb functions.
27597 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
27599 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
27600 preference to ASM_OUTPUT_DEF, if it is defined.
27602 * tm.texi: Document new, optional target macro
27603 ASM_OUTPUT_DEF_FROM_DECLS.
27605 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27607 * fixincludes: ISCNTL patch
27608 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
27609 (dgux_int_varargs): new for DG/UX
27610 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
27612 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
27614 * invoke.texi (ia32 options): Fix typo.
27616 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27618 * loop.c (strength_reduce): When doing biv->giv conversion, update
27619 reg note of NEXT->insn.
27621 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
27623 * loop.c (move_movables): Note issues with replacing REGs with
27625 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
27627 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
27629 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
27631 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
27632 the reference to `mcount' was not correct for the ELF on FreeBSD.
27634 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27636 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27639 (recombine_givs): Set ix field after sorting.
27641 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
27643 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
27644 to safe to extract a subword out of a REG.
27646 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27648 * sh.md (mulsi3): Don't add a no-op move at the end.
27650 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27652 * cse.c (cse_insn): Don't put hard register source into tables for
27653 the last insn of a libcall.
27655 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27657 * loop.c (strength_reduce): Insert sets of derived givs at every
27658 biv increment, even if it's the only one.
27660 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
27662 * dwarfout.c (add_incomplete_type): New fn.
27663 (output_type): Call it.
27664 (retry_incomplete_types): New fn.
27665 (dwarfout_finish): Call it.
27667 From Eric Raskin <ehr@listworks.com>:
27668 (output_type): Output types for bases.
27670 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
27672 * mips.c (mips_output_conditional_branch): Add `break'
27673 between `default' label and `close braces'.
27675 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
27677 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
27678 specifications and make it realistic.
27679 (LIB_SPEC): Likewise.
27681 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
27683 * config/mips/mips.c (mips_secondary_reload_class): Check for
27684 (PLUS (SP) (REG)) and return appropriate register class.
27685 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
27686 Handle (PLUS (SP) (REG)).
27687 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
27688 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
27689 of emit_insn for tablejump.
27691 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
27693 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
27694 asm_fprintf format string by itself.
27695 (output_function_profiler): Likewise.
27697 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
27699 * combine.c (simplify_logical, case AND): Only call
27700 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
27701 or the constant is positive.
27703 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
27705 * configure.in: Fix typo in rs6000-ibm-aix4 case.
27706 * configure: Regenerate.
27708 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
27710 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
27711 require a sub-version #.
27712 * configure: Rebuilt.
27714 1999-06-14 Robert Lipe (robertlipe@usa.net)
27716 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
27718 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
27720 * c-typeck.c (process_init_element): Detect excess elements in
27721 char array initializer.
27723 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
27725 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
27727 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27729 * invoke.texi (Option Summary): Add -fpermissive flag.
27731 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
27733 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
27734 that require PIC code sequences.
27736 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
27738 * configure.in: Add new target: thumb-elf.
27739 * configure: Regenerate.
27740 * config/arm/t-thumb-elf: New file: Makefile fragment for
27742 * config/arm/telf.h: New file: Header file for thumb-elf
27745 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
27747 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
27748 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
27749 initializers is some circumstances.
27751 * fixinc/inclhack.def (endif_label): Add additional selector for
27752 more bogus stuff after #endif statements.
27753 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
27755 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
27757 * i386/cygwin.h (SET_ASM_OP): Define.
27759 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
27761 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
27763 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27765 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
27768 * sh.md (ic_invalidate_line_i): Remove second alternative.
27770 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27772 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
27773 test for the presence of valid prototypes. Delete bypass expr.
27774 (ioctl_fix_ctrl): Correct the selection expression.
27775 (no_double_slash): Correct quoting rules
27776 *fixinc/fixincl.x: regen
27777 *fixinc/inclhack.sh: regen
27779 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
27781 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
27783 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27785 * rs6000.md (movsi_got_internal_mem): Delete.
27786 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
27787 (GOT_TOC_REGNUM): Delete.
27788 (PIC_OFFSET_TABLE_REGNUM): Define.
27789 (FINALIZE_PIC): Disable.
27790 * rs6000.c (rs6000_got_register): New code for fixed pic register.
27791 (rs6000_replace_regno): Delete.
27792 (rs6000_finalize_pic): Likewise.
27793 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
27795 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27797 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
27798 is a note; use <= for the compare; advance P while it is
27801 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
27803 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
27804 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
27806 * varasm.c (remove_from_pending_weak_list): Verify t->name
27807 is non-NULL before passing it to strcmp.
27809 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27811 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
27812 the typed arguments are not part of a comment
27813 (ioctl_fix_ctrl): Added a purpose comment
27814 *fixinc/fixincl.x: regenerate
27815 *fixinc/inclhack.sh: regenerate
27817 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27819 * invoke.texi: Add C4x invocation docs.
27821 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27823 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
27825 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
27827 (c4x_legitimize_reload_address): New function.
27828 * config/c4x/c4x.md: Update docs.
27830 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
27832 * fixincludes: Avoid removing '.'.
27833 * fixinc/fixinc.svr4: Likewise.
27834 * fixinc/fixinc.winnt: Likewise.
27835 * fixinc/inclhack.tpl: Likewise.
27836 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
27838 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27840 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
27842 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
27844 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
27846 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
27849 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
27851 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
27852 * configure: Regenerate.
27854 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
27856 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
27859 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
27861 * fixinc/inclhack.def (avoid_bool): Also catch
27862 "typedef [unsigned] int bool".
27863 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27865 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
27866 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
27867 * configure: Rebuilt.
27869 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
27871 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
27872 such that we can override its definitions if necessary.
27873 (CPP_SPEC): New define. Support processor specific predefines via
27875 (CC1_SPEC): New define. Support processor specific compiler
27876 options via %(cc1_cpu).
27877 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
27880 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27882 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
27883 between sed's -e flag, and the open-quote following it.
27884 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27886 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
27887 Jeffrey A Law (law@cygnus.com)
27889 * varasm.c (assemble_start_function): Remove the function
27890 from the pending weak decls list when we define a function.
27891 (assemble_variable): Similarly for variables.
27892 (weak_finish): Ignore items on the list with a NULL name.
27893 (remove_from_ending_weak_list); New function to "remove" an item
27894 from the pending weak declarations list.
27896 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27898 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
27900 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
27902 * c-lex.c (GETC): Redefine to call getch.
27903 (UNGETC): Redefine to call put_back.
27904 (putback_buffer): New structure type.
27905 (putback): New static structure.
27906 (getch): New function.
27907 (put_back): New function.
27908 (yylex): Replace unused bytes from bad multibyte character.
27910 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
27912 * cpplib.c (do_define): Cast `alloca' return value.
27913 (do_include, do_undef, do_pragma): Likewise.
27914 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
27916 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
27917 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
27919 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
27921 * sparc.md (abstf2): This should be an expand.
27922 (split after abstf2_notv9): Fix mode.
27923 (abstf2_hq_v9): New pattern.
27924 (abstf2_v9): Only use when no hard quad.
27925 (absdf2_v9): Fix if target is not the same as source.
27926 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
27927 Add correct output constraints.
27929 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
27931 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
27932 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
27934 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
27936 * mips.h (mips_output_conditional_branch): New function.
27937 (mips_adjust_insn_length): Likewise.
27938 (ASSEMBLER_SCRATCH_REGNUM): New macro.
27939 (ADJUST_INSN_LENGTH): Likewise.
27940 * mips.c (print_operand): Add `F' and `W' for floating-point
27941 comparison opcodes.
27942 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
27944 (mips_adjust_insn_length): New function.
27945 (mips_output_conditional_branch): New function.
27946 * mips.md (length): Adjust attribute definition to handle
27947 conditional branches. Change lengths to bytes, rather than
27948 instructions throughout. Remove length attribute from
27949 instructions whose length is four bytes, and rely on the default
27951 (dslot): Fix typo in comment.
27952 Reword conditional branch patterns to use
27953 mips_output_conditional_branch.
27955 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
27957 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
27958 (LIB_SPEC): Likewise.
27959 Link with -lprof1_r for -g/-pg.
27961 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27963 * loop.c (check_dbra_loop): Fix change of Jan 19.
27965 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
27967 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
27968 (STARTFILE_SPEC): Define, override the svr4.h version.
27969 (ENDFILE_SPEC): Likewise.
27971 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
27973 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
27974 * fixinc/fixincl.x: Regenerated.
27975 * fixinc/inclhack.sh: Regenerated.
27977 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27979 * sh.c (barrier_align): Don't return early for normal branch/barrier
27980 when optimizing for SH2.
27982 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
27984 * i386/udk.h (LINK_SPEC): Correct linker search path for
27987 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27989 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
27990 (braf_label_ref_operand): Delete.
27991 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
27992 * sh.md (casesi_jump_2): Operand1 is now the inside of a
27993 label_ref, and has no predicate.
27994 The patten has a predicate to guard against invalid substitutions.
27995 (dummy_jump): Delete.
27996 (casesi): Update use of casesi_jump_2.
27998 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28000 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
28001 *fixinc/fixincl.x: regenerate
28002 *fixinc/inclhack.sh: regenerate
28004 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
28006 * dwarf2out.c (add_incomplete_type): New fn.
28007 (gen_struct_or_union_type_die): Call it.
28008 (retry_incomplete_types): New fn.
28009 (dwarf2out_finish): Call it.
28011 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
28013 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
28014 current block starts with a CODE_LABEL and ends with a CALL and
28015 we can not find all the argument setup instructions for the CALL.
28017 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
28019 Revert this change:
28020 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28021 something is a candidate for optimize_bit_field_compare.
28023 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28025 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
28027 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
28029 * alpha.c (override_options): Thinko in last patch.
28031 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
28032 (LIB_SPEC): Recognize -pthread.
28034 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
28036 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
28037 definition in config/arm/coff.h
28038 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
28040 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28042 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
28043 fixes that need "file=xxx\n" prepended before invocation
28044 (start_fixer - new): starting the fixer process is complex enough
28045 to warrent its own routine. It prepends the "file=xxx\n" stuff.
28046 (process): uses the new routine; omit usage of putenv()
28047 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
28048 * fixinc/fixincl.x: regenerate
28050 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
28052 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
28053 and version #s (1.1 -> 2.96) as needed.
28054 * README.g77: Kill way out of date file in the toplevel directory.
28056 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
28058 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
28059 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
28060 * configure: Rebuilt.
28061 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
28062 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
28063 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
28064 (SWITCH_TAKES_ARG): Likewise.
28065 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
28066 * config/t-freebsd: Moved from config/i386/ so it can used for all
28069 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
28071 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
28073 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
28075 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
28076 * configure: Rebuilt.
28078 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
28080 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
28081 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
28082 * rs6000/rs6000.c (rs6000_file_start): Use putc.
28083 (rs6000_output_load_toc_table): Same.
28084 (output_prolog, output_mi_thunk): Same.
28085 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
28086 (ASM_GLOBALIZE_LABEL): Use putc.
28088 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
28090 * alpha.md (reload_*_help): New patterns and splitters.
28091 (reload_*): Use them.
28092 (mov[qh]i): Likewise.
28094 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
28096 * cccp.c (handle_directive): Handle backslash-newlines in quoted
28099 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
28101 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
28103 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
28105 * flow.c (mark_regs_live_at_end, insn_dead_p,
28106 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
28107 and HARD_FRAME_POINTER_REGNUM special treatment if reload
28108 hasn't run or the frame pointer is needed.
28109 * haifa-sched.c (attach_deaths): Likewise.
28110 * sched.c (attach_deaths): Likewise.
28112 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
28114 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
28115 calculate_can_reach_end returns nonzero.
28117 * configure.in (native gas tests): Search for an assembler in the
28118 same manner that the installed compiler will.
28119 * configure: Rebuilt.
28120 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
28122 * alias.c (find_base_term): Improve handling of addresses
28123 constructed from binary operations.
28125 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
28127 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
28129 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
28131 * function.h (cleanup_label, frame_offset): Declare.
28132 (tail_recursion_label, tail_recursion_reentry): Likewise.
28133 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28134 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
28135 (tail_recursion_label, tail_recursion_reentry): Likewise.
28136 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28138 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
28140 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
28142 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
28143 (MAX_OFILE_ALIGNMENT): Define.
28145 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
28147 * fixincl.c: Replace local include scheme with #includes of
28148 gansidecl.h and system.h.
28149 * procopen.c: Likewise.
28150 * server.c: Likewise.
28152 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
28154 * i386/t-dgux (EXTRA_PARTS): Add crti.o
28155 (crti.o): Add build rule and dependencies.
28156 * fixinc/fixinc.dgux: Use modified _int_varargs.h
28158 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28160 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
28161 (LIB_LINUX_SPEC): Likewise.
28162 (LIB_LINUX_SPEC): Add support for -pthread
28163 (CPP_OS_LINUX_SPEC): Likewise.
28164 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
28167 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
28169 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
28171 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
28172 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
28173 for IEEE math and CC_FCOMI.
28174 (put_jump_code): No IEEE if CC_FCOMI is set.
28176 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28178 * fold-const.c (fold_truthop): Make the field reference unsigned
28179 when converting a single bit compare.
28181 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28183 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
28185 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
28187 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
28188 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
28191 * reload.c (push_reload): Do not call remove_address_replacements
28192 when presented with identical optional reloads.
28194 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
28196 * alpha.h (MASK_FIX, TARGET_FIX): New.
28197 (MASK_*): Reorganize constants.
28198 (CPP_AM_FIX_SPEC): New.
28199 (TARGET_SWITCHES): Add FIX.
28200 (EXTRA_SPECS): Likewise.
28201 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
28202 (SECONDARY_MEMORY_NEEDED): Likewise.
28203 (REGISTER_MOVE_COST): Likewise.
28204 * alpha.c (override_options): Add FIX support. Always use
28205 ALPHA_TP_PROG for ev6.
28206 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
28207 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
28208 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
28210 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
28212 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28213 something is a candidate for optimize_bit_field_compare.
28215 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
28217 * gcc.texi (Passes): Document branch-shortening.
28218 * invoke.texi (Debugging Options): Document the fact that `-dp'
28219 outputs length information for instructions.
28221 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
28223 * flow.c: Revert previous delta.
28225 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
28227 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
28228 FRAME_POINTER_REGNUM.
28229 (mark_set_1): Ditto.
28230 (mark_used_regs): Ditto.
28232 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
28234 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
28235 (GOT_PCREL): New macro. Define to 1 if not already defined.
28236 * arm/elf.h (GOT_PCREL): Define to 0.
28237 * arm.c (arm_finalize_pic): Take into account the setting of
28240 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
28242 * output.h (STRIP_NAME_ENCODING): Provide default definition.
28243 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
28245 * flow.c (mark_set_1): Do not record BLKmode stores as dead
28246 store elimination candidates.
28248 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
28250 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
28253 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
28255 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
28256 Add use of x-aix41-gld.
28258 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
28260 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
28261 (ASM_OUTPUT_DESTRUCTOR): Define.
28263 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
28265 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
28266 last CODE_LABEL in a loop if we have previously passed a jump
28267 to the top of the loop.
28269 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
28271 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
28272 applying Philip's patch.
28274 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
28276 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
28279 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
28281 * loop.c (strength_reduce): Grow reg_single_usage as needed.
28283 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
28285 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
28286 Also remove a useless comment.
28288 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28290 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
28292 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
28294 * collect2.c (main): Only generate import or export file and add
28295 to link arguments if non-empty. Use xmalloc not alloca.
28296 (write_{export,import}_file): Delete.
28297 (write_aix_file): New function.
28298 (locatelib): Use xmalloc not malloc.
28299 (GCC_OK_SYMBOL): Do not check type if aix64.
28301 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
28303 Based on patch by Scott Bambrough and Pat Beirne:
28304 * config/arm/arm.c (making_const_table): New variable.
28305 * config/arm/arm.h (making_const_table): Declare.
28306 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
28308 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
28309 Keep track of when we are building the constant table.
28311 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
28313 * config/arm/arm.c (arm_override_options): Fix erroneous warning
28316 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
28318 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
28321 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
28323 * tm.texi (FUNCTION_ARG): Correct description of a stack element
28326 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
28328 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
28330 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28332 * rs6000.c (output_mi_thunk): Enable full support again.
28334 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28336 * sh.h (BRANCH_COST): Define.
28338 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
28340 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
28342 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
28344 * function.c (assign_stack_local): Align stack slot propertly.
28345 (assign_outer_stack_local): Likewise.
28347 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
28349 * expr.h (lang_expand_constant): Declare.
28350 * toplev.c (lang_expand_constant): Define it.
28351 * varasm.c (output_constant): Use it.
28353 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28355 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
28356 Change function definitions to K&R style.
28358 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28360 * fixinc/fixincl.c: We must not ignore SIGCLD now.
28362 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
28364 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
28365 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
28366 (several places): omit static initialization
28367 (process): use single fd, since only the read fd is used
28368 * fixinc/gnu-regex.c: define 'const' away, if not supported
28369 * fixinc/procopen.c(several places): omit static initialization
28370 * fixinc/server.c: define 'volitile' away, if not supported
28372 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28374 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
28375 asm_fprintf and %L to generate the label name.
28376 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
28377 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
28379 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
28381 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
28382 insn for a conditional jump can not be found.
28384 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
28386 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
28387 on variables in specific sections other than .sbss and .sdata.
28389 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
28391 * stmt.c (expand_return): Call start_cleanup_deferral and
28392 end_cleanup_deferral around conditional code.
28394 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28396 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
28397 filename lists. Utilizes new "krstr" AutoGen function.
28398 * fixinc/fixincl.x: Rebuilt.
28400 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
28402 * i386.c (output_float_compare): Avoid GNU-C extensions.
28404 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
28406 * version.c: Bump to distinguish mainline tree from the
28409 See ChangeLog.1 for earlier changes.