1 2000-05-16 Richard Henderson <rth@cygnus.com>
3 * flow.c (commit_one_edge_insertion): Be prepared for a return
4 insn to be inserted on the edge with a normal jump.
5 * jump.c (jump_optimize_1): Don't look to create return isns.
7 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
8 * jump.c (jump_optimize_1): Likewise.
9 (returnjump_p): Verify the argument is a JUMP_INSN.
10 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
12 2000-05-16 Nick Clifton <nickc@cygnus.com>
14 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
15 GET_RTX_CLASS (GET_CODE ()) == 'i'.
16 (large_insn_p): Ditto.
17 (m32r_is_insn): New function: Return true if the insn contains
18 an executable instruction.
19 (m32r_adjust_insn): Use m32r_is_insn.
20 (m32r_sched_reorder): Use m32r_is_insn.
21 (m32r_sched_variable_issue): Use m32r_is_insn.
23 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
28 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
30 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
31 according to given options.
33 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
35 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
36 if X has VOIDmode either.
37 (LIMIT_RELOAD_CLASS): Similarly.
39 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
40 not "general_operand" to match the processor's capabilities.
42 2000-05-16 Bruce Korb <bkorb@gnu.org>
44 * fixinc/README: corrected return address
45 * fixinc/check.diff: regenerate, now that test works
46 * fixinc/fixfixes.c(format_fix,format_write): reformatted
47 (char_macro_def_fix,char_macro_use_fix): corrected and
48 rewrote to use regex to parse the text
49 * fixinc/inclhack.def: more testing
50 * fixinc/fixincl.x: regenerated
52 * fixinc/inclhack.def: added several "test_text" attributes
53 changed several fixes to use `c_fix = format'
54 re-alphabetized the fixes
56 * fixinc/check.diff: regenerate
57 * fixinc/fixincl.x: regenerate
58 * fixinc/check.tpl: added `sparc' and `netinet' to the list
62 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
64 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
66 2000-05-15 Richard Henderson <rth@cygnus.com>
68 * toplev.c (rest_of_compilation): Run full jump pass before
69 find_basic_blocks of flow2.
71 2000-05-15 Richard Henderson <rth@cygnus.com>
73 * jump.c: Fix typos and clarify commentary from last change.
74 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
75 (safe_to_remove_jump_p): Remove.
76 (condjump_label): Use pc_set.
78 2000-05-15 Richard Henderson <rth@cygnus.com>
80 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
81 that get in the way after reload.
82 (cond_exec_process_if_block): Skip a label heading THEN block.
84 2000-05-15 Richard Henderson <rth@cygnus.com>
86 * varasm.c (output_constant_pool): Abort instead of converting
87 (improperly) deleted labels to zero.
89 2000-05-16 Neil Booth <NeilB@earthling.net>
91 * cpplex.c (parse_string2): Update comment.
92 (cpp_lex_line): No special assertion treatment for '('.
93 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
94 * cpplib.h (SYNTAX_ASSERT): Remove.
96 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
98 * jump.c (condjump_p): Mark as depreached.
100 (any_uncondump_p): New.
102 (safe_to_remove_jump_p): New.
103 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
104 safe_to_remove_jump_p): Declare.
106 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
108 * calls.c: Re-install both patches reverted by last patch.
109 (struct arg_data): New field tail_call_reg.
110 (initialize_argument_information): Initialize tail_call_reg
111 (load_register_parameters): New argument flags, use
112 tail_call_reg when emiting tail call sequence.
113 (expand_call): Update call of load_register_parameters;
114 copy unadjusted_args_size to adjusted_args_size.
116 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
118 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
119 and bct_p parameters to flags.
120 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
121 * rtl.h (loop_optimize): Update prototype.
122 * toplev.c (rest_of_compilation): Update call of loop_optimize.
124 2000-05-15 Jakub Jelinek <jakub@redhat.com>
126 * calls.c (expand_call): Move expand_start_target_temps call after
129 2000-05-15 Neil Booth <NeilB@earthling.net>
131 * cpphash.c (trad_stringify, warn_trad_stringify,
132 collect_params): Make some pointers pointers to const.
133 * cpplex.c (auto_expand_name_space) Guaranteed to always
134 expand by at least one character.
135 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
136 (struct token_spelling): Use const U_CHAR * rather than PTR.
137 (expand_name_space): Fix up token pointers if name space
138 is moved when expanding.
139 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
140 parse_string2, save_comment, spell_token, cpp_output_list):
141 Update so the routines handle tokens with a direct pointer to
142 their text, rather than an offset into the token's list's namebuf.
143 (_cpp_lex_line): Rearrange for clarity.
145 * cpplib.c (_cpp_check_directive): Similarly.
146 (do_define): Make SYM a pointer to const.
147 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
148 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
149 (TOK_OFFSET): Delete.
152 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
154 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
157 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
159 (logical_u_operand): Delete.
160 (non_logical_cint_operand): Rewrite to take MODE into account.
161 (non_logical_u_cint_operand): Delete.
162 (boolean_operator): New function.
163 (print_operand): Add new %q operand.
164 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
165 remove logical_u_operand and non_logical_u_cint_operand,
166 update logical_operand and non_logical_cint_operand.
167 * config/rs6000/rs6000.md: Rewrite the patterns for performing
168 logical operations to use %q.
170 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
171 (movdi): Make similar to movsi.
172 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
173 is no such thing as a DImode CONST_DOUBLE.
174 * config/rs6000/rs6000.c (output_toc): Likewise.
176 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
177 codes when old mnemonics are in use. Print register names
178 for cc registers when requested.
180 * optabs.c (expand_float): Don't allow mode widening that causes
183 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
184 flags to their current names -maix64 and -maix32.
186 2000-05-14 Bruce Korb <bkorb@gnu.org>
188 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
189 and/or after current text of file
190 * fixinc/fixlib.c(must_malloc):
191 * fixinc/fixlib.h(must_malloc): + reformatting
192 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
193 with usages of ``c_fix = wrap;''
194 Add several tests and use the ``c_fix = format'' fixer more.
195 * fixinc/fixincl.x: regen
196 * fixinc/check.diff: regen
197 * fixinc/check.tpl: emit the associated header with the missing
200 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
202 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
203 variables $src and $dst.
205 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
207 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
208 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
209 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
210 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
212 (set_message_prefixing_rule): Declare.
214 * diagnostic.c: (current_prefixing_rule): New variable.
215 (set_message_prefixing_rule): Define.
216 (output_set_prefix): Adjust buffer->emitted_prefix_p.
217 (init_output_buffer): Adjust Initialization.
218 (output_emit_prefix): Rewrite. Take prefixing rules into account.
220 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
222 * ifcvt.c (if_convert): Do not free NULL.
224 2000-05-12 Nick Clifton <nickc@cygnus.com>
226 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
227 to move a double word value.
228 (di_operand): New function: Return true if the operand is suitbale
229 for a double word move operation.
230 (nonimmediate_di_operand): New function: Return true if the
231 operand is a DImode register or MEM.
233 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
234 nonimmediate_di_operand.
236 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
237 nonimmediate_di_operand.
239 * config/fr30/fr30.md (movdi): New pattern. Required because
240 other patterns generate DImode results.
241 (movdi_insn): New pattern.
243 2000-05-12 Richard Henderson <rth@cygnus.com>
245 * config/alpha/alpha.c (struct shadow_summary): Define
246 bitfields as type unsigned int.
248 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
250 * config/avr/t-avr: Added definition of FLOAT while generates
253 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
254 peepholes for tst+jump = sbrs/sbrc optimization.
256 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
258 * expr.c (emit_push_insn): Do not adjust stack pointer when
261 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
263 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
264 * system.h (offsetof): ... to here.
266 2000-05-12 Richard Henderson <rth@cygnus.com>
268 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
269 * final.c (final_end_function): Use app_disable. Rearrange note
270 handling into a switch. Emit deleted labels.
271 (output_asm_label): Generate label strings for deleted labels.
272 * flow.c (tail_recursion_label_list): New.
273 (find_basic_blocks_1): Set label_value_list directly. Collect list
274 of tail recursion labels from call_placeholders. Don't add deleted
275 labels to the label value list.
276 (cleanup_cfg): Use free_EXPR_LIST_list.
277 (flow_delete_insn_chain): Turn non-removable labels into notes.
278 (flow_delete_block): Don't disable deleting the block because of
279 a non-removable label.
280 (tail_recursion_label_p): New.
281 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
283 (merge_blocks_move_successor_nojumps): Likewise. Also move a
285 (merge_blocks): Disable a merge because of tail recursion labels.
286 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
287 Use a more accurate measure of not merging the join block.
288 (find_if_block): Don't disable conversion because of a label.
289 (find_if_case_1, find_if_case_2): Likewise.
290 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
291 element when copying.
292 (squeeze_notes): Also leave EH notes.
293 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
295 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
297 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
298 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
299 referring to a deleted label. Convert tail handling to a switch.
300 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
301 for NOTE_INSN_DELETED_LABEL.
302 (NOTE): Fix commentary.
303 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
304 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
305 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
306 (LABEL_NUSES, LABEL_REFS): Likewise.
307 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
309 2000-05-12 Bruce Korb <bkorb@gnu.org>
311 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
312 * fixinc/check.diff: updated
313 * fixinc/inclhack.def: corrected & added some test_text-s
314 * fixinc/genfixes: removed unneeded options to autogen invocation
315 * fixinc/fixincl.tpl: Specified the output file
316 * fixinc/fixfixes.c: visual appearance
317 * fixinc/fixincl.x: regenerate
319 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
321 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
322 CTRL_defn_fix): Delete.
323 (fix_char_macro_defines, fix_char_macro_uses): Rename to
324 char_macro_def_fix and char_macro_use_fix, respectively. Put
325 them into the FIXUP_TABLE. Get the string to search for from
328 (format_write): New function.
329 (format_fix): Use it.
331 (FIX_PROC_HEAD): Constify text parameter.
332 (machine_name_fix): Constify all char *s.
333 * fixtests.c (skip_quote): Remove double static.
335 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
336 ctrl_use_quotes): Update for new scheme.
337 * fixincl.x: Regenerate.
339 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
341 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
343 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
344 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
346 2000-05-11 Robert Lipe <robertlipe@usa.net>
348 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
349 * fixincl.x: Regenerate.
351 2000-05-11 Richard Henderson <rth@cygnus.com>
353 * calls.c: Revert both 05-09 patches.
355 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
357 * config/mn10300/mn10300.c (print_operand): Print FP constants in
359 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
362 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
363 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
365 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
367 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
369 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
371 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
373 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
375 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
376 * config/avr/avr.c (jump_over_one_insn_p): New function.
377 * config/avr/avr.md: New peepholes added. Output test and
378 conditional jump to "sbrc" or "sbrs" command.
380 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
382 * cppmain.c (main): Use IS_DIR_SEPARATOR.
384 2000-05-11 Jakub Jelinek <jakub@redhat.com>
386 * except.c (find_exception_handler_labels_1): New function.
387 (find_exception_handler_labels): Split into two functions, dive
388 into CALL_PLACEHOLDERs when looking for exception handler labels.
390 2000-05-11 Stan Cox <scox@cygnus.com>
392 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
393 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
394 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
396 2000-05-11 Bruce Korb <bkorb@gnu.org>
398 * fixinc/fixfixes.c (double_slash_fix): obsolete
399 (else_endif_label_fix): obsolete
400 (format_fix): new, unused as yet
402 * fixinc/fixlib.h: added fix description struct for use by format_fix
403 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
404 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
405 modules. Removed the vestiges of the script version.
406 Added support for "make check".
407 * fixinc/check.diff: base diff file (needs work!!)
408 * fixinc/check.tpl: quiet the fixup output
409 * fixinc/fixtests.c (main): obsolete
410 * fixinc/fixincl.sh: don't bother copying fixincl to ..
411 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
413 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
415 * toplev.c (rest_of_compilation): Remove dead code after
418 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
420 * cpphash.c (collect_funlike_expansion): Make "# is not
421 followed by a macro argument name" a pedwarn, not an error.
422 Preserve the # in the output. Suppress the warning if lang_asm.
424 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
426 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
427 * configure: Rebuilt.
429 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
431 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
433 2000-05-10 Kazu Hirata <kazu@hxi.com>
435 * combine.c (try_combine): Fix a typo.
437 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
439 * config/ia64/ia64.md (insv): Add comment.
441 2000-05-10 Richard Henderson <rth@cygnus.com>
443 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
444 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
445 dependancies on FPBIT and DPBIT.
447 2000-05-10 Nick Clifton <nickc@redhat.com>
449 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
450 when optimising for size.
451 (mark_used_regs:) Ditto.
452 (try_pre_increment_1): Ditto.
454 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
456 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
457 Make error message friendlier.
459 * cpphash.h (struct hashnode): Use struct hack for name
461 * cpphash.c (struct hashdummy): New.
462 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
463 (make_HASHNODE): No need to set ->name pointer. Correct
465 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
467 2000-05-10 Richard Henderson <rth@cygnus.com>
469 * flow.c (find_basic_blocks_1): Remove any spare bb_note
472 2000-05-10 Bruce Korb <bkorb@gnu.org>
474 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
476 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
478 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
479 after we enter .debug.
481 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
483 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
484 abstract instance of a nested inline function.
486 * stor-layout.c (finish_record_layout): finalize_type_size
487 before laying out the pending_statics.
489 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
491 * cpplex.c (spell_token): New function.
492 (spell_string, spell_comment, spell_name): fold into
495 (E, H): Remove macros.
496 (save_comment): Save comment opening characters too.
497 (_cpp_lex_file): Update to use spell_token. Tidy up comment
499 * cpplib.h (I, S): Add macros.
500 (E, H): Remove macros.
501 (TTYPE_TABLE): Update entries for new speller.
502 (SYNTAX_ASSERT): Remove.
504 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
506 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
507 when removing escaped newlines. Reverse sense of test for
510 2000-05-09 Richard Henderson <rth@cygnus.com>
512 * flow.c (find_basic_blocks_1): Do not delete the first
513 bb_note we run across.
514 (create_basic_block): Use reorder_insns to move an existing
515 bb_note to the correct place.
517 2000-05-09 Richard Henderson <rth@cygnus.com>
519 * calls.c (expand_call): Increment currently_expanding_call
520 before calling optimize_tail_recursion.
522 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
524 * reload1.c (reload_combine): Fix errors in last change.
526 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
528 * gcc.c (used_arg): Skip over a semicolon at the end of the
529 split-up loop; don't break out of it.
531 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
532 (tree.o): Depend on output.h.
534 * c-decl.c (pending_invalid_xref_file,
535 current_function_prototype_file): Constify.
536 (pushdecl): Constify a local char *.
537 (define_label): Constify filename parameter.
538 * c-lex.c (init_parse): Constify parameter and return value.
539 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
540 * c-tree.h: Update prototypes.
541 * c-parse.in: Constify filename member of %union, and if_stmt_file.
542 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
543 objc/objc-parse.c: Regenerate.
545 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
546 * dwarfout.h: Update prototypes.
547 * expr.c (expand_expr): Constify a local char *.
548 * flags.h: Constify main_input_filename.
549 * function.c (expand_function_end): Constify filename parameter.
550 * genrecog.c (make_insn_sequence): Use a character array for
552 (main): Remove unused variables.
553 * input.h: Constify input_filename, main_input_filename, and
554 file_stack.name. Update prototypes.
555 * output.h: Declare first_global_object_name and
556 weak_global_object_name here, as const char *.
557 * stmt.c (expand_asm_operands): Constify filename parameter.
558 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
559 Constify filename parameter.
560 (input_filename, main_input_filename): Constify.
561 * toplev.h: Update prototypes.
562 * tree.c: Include output.h. Don't declare
563 first_global_object_name or weak_global_object_name. Clean up string
564 bashing in get_file_function_name_long.
565 * tree.h (struct tree_decl): Constify filename member.
566 (input_filename): Constify.
568 * varasm.c (first_global_object_name, weak_global_object_name):
570 (assemble_start_function, assemble_variable): Clean up string bashing.
572 * gcc.c: Constify all spec-related strings initialized,
573 transitively, from string constants. Constify all strings
574 and string variables related to multilibs.
575 (set_spec, read_specs): Cast argument to free to PTR.
576 (used_arg): Do not modify multilib_matches. Use strncmp plus
577 length comparison to compare multilib switches.
578 * genmultilib: Constify everything declared in multilib.h.
580 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
582 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
585 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
587 * config/avr/avr-protos.h (extra_constraint): change a type of
588 second argument from char to int to avoid warnings.
589 (asm_output_byte): Likewise.
591 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
592 (initial_elimination_offset): Handle elimination from
593 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
594 (legitimate_address_p): Use MAX_LD_OFFSET.
595 (legitimize_address): Likewise.
596 (out_movqi_r_mr): Likewise.
597 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
598 (out_movsi_r_mr): Use MAX_LD_OFFSET.
599 (out_movsi_mr_r): Likewise.
600 (out_movqi_mr_r): Likewise.
601 (out_movhi_mr_r): Likewise.
602 (notice_update_cc): Correct CC for the ashrqi3 with the shift
603 count as CONST_INT != 6.
604 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
605 shift count is a CONSTANT_P, but not a CONST_INT.
606 (ashlhi3_out): Coding style modifications.
607 (ashlsi3_out): Likewise.
608 (ashrhi3_out): Likewise.
609 (ashrsi3_out): Likewise.
610 (lshrhi3_out): Likewise.
611 (lshrsi3_out): Likewise.
612 (ashrqi3_out): Generate shift for any known constant count without
613 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
615 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
616 shift count is a CONSTANT_P, but not a CONST_INT.
617 (extra_constraint): change a type of
618 second argument from char to int to avoid warnings.
619 (asm_output_byte): Likewise.
620 (asm_file_end): Output size generated commands count as a hex
623 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
625 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
627 (ashlqi3): Values of "length" attribute changed. Shift count
628 uses constraints 'n' instead of 'i'.
629 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
630 shifts without clobber register.
631 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
632 (call_insn): Correct test for which_alternative == 1 (was 0).
633 (call_value_insn): Likewise.
635 * config/avr/t-avr: Remove definition of FLOAT while generates
638 2000-05-09 Bruce Korb <bkorb@gnu.org>
640 * fixinc/check.tpl: Template for checking fixes
641 * fixinc/inclhack.def: Added 'test_text' for many fixes
642 disable hpux8_bogus_inlines on SCO
643 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
645 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
647 * calls.c (expand_call): Reorganize somewhat in order
648 to avoid unnecesary recalculation inside loop and make
649 tail call failure code cleaner.
651 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
653 * alias.c (nonlocal_reference_p): Minor reformatting.
654 * reload.c (find_equiv_reg): Simplify logic for
655 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
656 some some reformatting.
657 * reload1.c (reload_combine): Don't assume everything in
658 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
660 2000-05-08 Richard Henderson <rth@cygnus.com>
662 * final.c (current_insn_predicate): New.
663 (final_scan_insn): Set it.
664 * output.h (current_insn_predicate): Declare.
666 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
667 Attach it to call insns.
668 (cond_exec_process_if_block): Track probability for true and
670 (dead_or_predicable): Likewise.
672 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
673 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
674 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
675 (estimate_probability, expected_value_to_br_prob): Use them.
677 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
678 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
679 (ia64_expand_prediction): New.
680 (emit_insn_group_barriers): Don't look at notes. Emit barriers
681 as needed after calls.
682 (ia64_epilogue_uses): Mark b0 used.
683 * config/ia64/ia64.md (beq_true, beq_false): Remove.
684 (bne_true, bne_false): Remove.
685 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
686 (br_true, br_false): New. Use predicate_operator and
687 ia64_expand_prediction.
688 (return_true, return_false): Likewise.
689 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
690 (call_internal1, call_value_internal): Likewise.
691 (call_value_internal1, call_multiple_values_internal1): Likewise.
693 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
695 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
697 2000-05-08 Richard Henderson <rth@cygnus.com>
699 * rtlanal.c (may_trap_p): Consider old-style and volatile
702 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
704 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
706 2000-05-08 Richard Henderson <rth@cygnus.com>
708 * config/ia64/ia64.h (predicate_operator): Declare.
710 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
713 * gensupport.c (process_rtx): Copy and post-process each member
714 of the define_insn rtvec individually.
716 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
718 * cpplex.c (spell_token): New function.
719 (TOKEN_LEN): Add 1 for whitespace.
720 (_cpp_lex_file): Update to use spell_token.
721 * cpplib.h (E): Remove.
722 (TTYPE_TABLE): Update CPP_VSPACE entry.
724 2000-05-08 Richard Henderson <rth@cygnus.com>
726 * flow.c (init_propagate_block_info): Watch out for conditional
727 branch to next instruction, and thus one outgoing edge.
729 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
730 for global register variables; don't special case __[CD]TOR_LIST__;
731 mind ggc_p for string allocation.
733 2000-05-08 Nick Clifton <nickc@cygnus.com>
735 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
737 2000-05-08 Bruce Korb <bkorb@gnu.org>
739 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
740 i?86-*-msdosdjgpp* no longer uses fixincludes
741 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
742 * fixinc/inclhack.sh: deleted
743 * fixinc/hackshell.tpl: deleted
744 * fixinc/inclhack.tpl: deleted
745 * fixinc/Makefile.in: Remove dependencies on above
746 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
748 2000-05-08 Andreas Jaeger <aj@suse.de>
750 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
753 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
755 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
758 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
760 * cpplex.c: Move new lexer definitions and prototypes
761 to top. Conditional include these and the code if
762 NEW_LEXER is defined. Rename functions whose names
763 clash if this code included.
765 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
767 * rtl.def (COND_EXEC): Clarify.
769 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
770 same fashion as zero_extendsidi2.
772 2000-05-06 Richard Henderson <rth@cygnus.com>
774 * config/ia64/ia64.c (predicate_operator): New.
775 (ia64_print_operand): Handle 'J'.
776 (rtx_needs_barrier): Handle COND_EXEC.
777 * config/ia64/ia64.h (BRANCH_COST): Define.
778 (PREDICATE_CODES): Update.
779 * config/ia64/ia64.md: Docuement used unspec values.
780 (attr predicable): New.
781 (movxf, movxf_internal): New.
782 (extendsfdf2): Don't comment out nop.
783 (floatdidf2): Remove.
784 (truncxfsf2, truncxfdf2, floatdixf2): New.
785 (abssi2, absdi2): Put the neg in the "true" slot.
786 (conditional branch instructions): Mark not predicable.
787 (cmov*_internal): Use predicate_operator. Split to cond_exec.
788 (abs*_internal): Likewise.
789 (alloc, set_bsp): Mark not predicable.
790 (barrier, insn_group_barrier, flush_cache): Likewise.
791 (define_cond_exec): New.
793 2000-05-06 Richard Henderson <rth@cygnus.com>
795 * c-decl.c: Include "tm_p.h".
797 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
798 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
799 (ia64_expand_op_and_fetch): Declare.
800 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
801 (setjmp_operand): Constify variables for XSTR.
802 (ia64_encode_section_info): Likewise.
803 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
805 (ia64_asm_output_external): Constify name.
806 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
807 (process_for_unwind_directive): Provide switch default.
808 (ia64_expand_compare_and_swap): Remove unused variables.
809 (ia64_expand_builtin): Likewise.
810 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
813 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
814 (symbolic_operand, function_operand, setjmp_operand): Likewise.
815 (shift_count_operand, shift_32bit_count_operand): Likewise.
816 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
817 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
818 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
819 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
820 (ia64_expand_builtin): Likewise.
821 (call_multiple_values_operation): Make dest_regno unsigned.
823 2000-05-06 Richard Henderson <rth@cygnus.com>
825 * rtl.def (DEFINE_COND_EXEC): New.
826 * md.texi: Document it.
828 * gensupport.c (input_file): Remove.
829 (struct queue_elem): Add lineno.
830 (rtx_ready_queue): Remove.
832 (predicable_default): New.
833 (predicable_true, predicable_false): New.
834 (define_attr_queue, define_attr_tail): New.
835 (define_insn_queue, define_insn_tail): New.
836 (define_cond_exec_queue, define_cond_exec_tail): New.
837 (other_queue, other_tail): New.
838 (queue_pattern): New.
839 (process_rtx): Add patterns to the appropriate queues.
840 (is_predicable, identify_predicable_attribute): New.
841 (n_alternatives, collect_insn_data): New.
842 (alter_predicate_for_insn, alter_test_for_insn): New.
843 (shift_output_template, alter_output_for_insn): New.
844 (process_one_cond_exec, process_define_cond_exec): New.
845 (init_md_reader): Read the entire file. Process define_cond_exec.
846 (read_md_rtx): Return elements from the queues.
848 2000-05-06 Richard Henderson <rth@cygnus.com>
850 * flow.c (mark_set_1): Don't update conditional life info
851 if the register is not_dead.
853 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
855 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
856 (mostlyclean): Also delete fixincl, fixinc.sh, and
857 specs.ready, and make clean in the fixinc subdir.
859 2000-05-06 Richard Henderson <rth@cygnus.com>
861 * Makefile.in (gensupport.o): Compile for the host.
862 (host-prefix gensuuprt.o): Remove.
863 (genflags.o): Depend on gensupport.h and OBSTACK_H.
864 (genattrtab.o): Likewise.
865 (gencodes.o): Depend on gensupport.h.
866 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
867 (genpeep.o, genattr.o, genoutput.o): Likewise.
869 * gensupport.c (obstack, rtl_obstack): New.
870 (init_md_reader): Initialize rtl_obstack.
871 * gensupport.h (rtl_obstack): Declare.
872 (message_with_line): Declare.
874 * genattr.c: Remove all traces of obstack manipulation.
875 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
876 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
878 * genattrtab.c (obstack, rtl_obstack): Remove.
879 (main): Don't init rtl_obstack.
880 * genflags.c: Likewise.
882 * genrecog.c (message_with_line): Move ...
883 * gensupport.c: ... here.
885 2000-05-06 Richard Henderson <rth@cygnus.com>
887 * c-typeck.c (build_c_cast): Remove dead code.
889 2000-05-06 Richard Henderson <rth@cygnus.com>
891 * flow.c (split_edge): Don't allocate global_live_at_start for
892 the new block unless the old blocks had them as well.
894 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
896 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
897 test_bb if a or b uses x.
899 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
901 * cpphash.h: Remove conditional #define of __extension__.
902 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
903 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
904 (ENABLE_RTL_CHECKING only).
905 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
906 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
907 (ENABLE_TREE_CHECKING only).
908 * varray.h: Add __extension__ to VARRAY_CHECK macro
909 (ENABLE_CHECKING only).
911 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
913 Use new tail-calling mechanism on ARM.
914 * arm.md (sibcall, sibcall_value): New expands.
915 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
916 (tailcalling peepholes): Delete.
917 (push_multi): Simplify.
918 * arm.c (lr_save_eliminated): Delete definition.
919 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
920 (output_return_instruction): Remove checks on lr_save_eliminated.
921 (output_arm_prologue): Remove old tail-calling code.
922 (arm_output_epilogue): New parameter, really_return. All callers
923 changed. Handle tail-calling epilogues.
924 * arm.h (lr_save_eliminated): Delete declaration.
925 (frame_pointer_needed): Delete declaration.
926 * arm-protos.h (arm_output_epilogue): Adjust prototype.
928 * arm.md (is_thumb): Examine symbol thumb_code, not expression
930 * arm.c (thumb_code): Define it.
931 (arm_override_options): Set it.
932 * arm.h (thumb_code): Declare it.
934 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
936 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
938 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
940 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
941 bogus clobber to insns.
942 (load_multiple_operation, store_mulitple_operation): Don't check
944 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
946 * arm.md (and_scc, ior_scc): Add missing mode.
948 * arm.md (call_value_symbol): Remove predicate from op2.
950 * arm.h (SPECIAL_MODE_PREDICATES): Define.
952 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
954 * expr.c (get_subtarget): New function.
955 (force_operand, expand_expr, do_store_flag): Use it.
957 * toplev.c (compile_file): Don't take strlen of NAME if null.
959 2000-05-06 David Edelsohn <edelsohn@gnu.org>
961 * xcoffout.c (xcoff_current_include_file,
962 xcoff_current_function_file, xcoff_lastfile): Constify char *.
963 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
965 (xcoffout_declare_function): Make name 'const char *'.
966 (xcoffout_end_epilogue): Make fname 'const char *'
967 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
968 xcoffout_declare_function, xcoffout_source_line): Match above.
970 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
972 * rs6000.c (print_operand): Fix lossage typo.
973 (output_cbranch): Remove "cr" decoration for now.
974 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
976 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
978 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
981 2000-05-05 Bruce Korb <bkorb@gnu.org>
983 * fixinc/genfixes: Improve the matching for make target names
985 2000-05-05 Catherine Moore <clm@cygnus.com>
987 * c-common.c (decl_attributes): For TYPE_DECLs attach the
988 attribute to the decl.
989 * c-decl.c (pushdecl): Propagate the USED attribute to the
992 2000-05-05 Richard Henderson <rth@cygnus.com>
994 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
995 same way emit_group_load does.
997 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
999 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
1001 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
1004 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
1006 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
1008 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
1010 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
1011 to support -shared, on platforms with dynamic libraries.
1013 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
1015 * system.h (S_ISBLK): Provide fallback definition.
1017 2000-05-05 Geoff Berry <geoffb@bops.com>
1019 * extend.texi (Extended Asm): Document inability to give asm
1020 statements access to condition codes.
1022 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
1024 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
1025 as arg 2 of UNIQUE_SECTION.
1027 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
1029 * predict.c: Remove May 4 change.
1030 * bb-reorder.c (make_reorder_chain): Do not perform block movement
1031 if we have predicted the branch at 50-50 probability.
1033 2000-05-05 Richard Henderson <rth@cygnus.com>
1035 * flow.c (init_propagate_block_info): Fix merge error
1036 in HAVE_conditional_execution code.
1038 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
1040 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
1041 shift cycle for unknown shift count. Also generates dec + brpl.
1042 (ashlqi3_out): Don't generate dec + brpl which now generates by
1043 `out_shift_with_cnt'.
1044 (ashlhi3_out): Likewise.
1045 (ashlsi3_out): Likewise.
1046 (ashrqi3_out): Likewise.
1047 (ashrhi3_out): Likewise.
1048 (ashrsi3_out): Likewise.
1049 (lshrqi3_out): Likewise.
1050 (lshrhi3_out): Likewise.
1051 (lshrsi3_out): Likewise.
1053 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1055 * gcc.c (free_split_directories): Correct typo in explanation
1056 of make_relative_prefix.
1058 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1060 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
1061 comparison codes to branch_comparison_operator.
1063 2000-05-04 Richard Henderson <rth@cygnus.com>
1065 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
1067 2000-05-04 Richard Henderson <rth@cygnus.com>
1069 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
1070 (DPBIT_FUNCS): Remove _sf_to_usi.
1071 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
1073 * ifcvt.c (noce_process_if_block): Fail if A or B modified
1074 between condition and jump.
1076 * libgcc2.c (near eh_context_specific): Comment #endif string.
1077 * longlong.h: Don't use strings with embedded newlines.
1079 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1081 * config/rs6000/rs6000-protos.h: Add output_cbranch.
1082 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
1083 (print_operand): Delete %t and %T codes.
1084 (output_cbranch): New function. Support branch prediction.
1085 * config/rs6000/rs6000.md: Use output_cbranch for
1086 conditional branches and returns.
1088 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
1090 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
1091 * stor-layout.c (place_field): Likewise.
1092 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
1093 * expr.c (store_expr): Make align unsigned.
1094 * explow.c (plus_constant_wide): Make low words unsigned.
1095 * expmed.c (choose_multiplier): Likewise.
1096 * fold-const.c (fold): Likewise.
1097 * tree.h (build_int_2): Likewise.
1098 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
1099 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
1100 (init_emit): Change cast to unsigned char*.
1101 * varasm.c (compare_constant_1): Add cast to char*.
1102 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
1103 * reload1.c (reload): Likewise.
1105 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
1107 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
1109 * predict.c (estimate_probability): If no prediction was found, then
1110 predict the successor that is the next physical block (if such a
1113 2000-05-04 Richard Henderson <rth@cygnus.com>
1115 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
1117 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1119 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
1121 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
1123 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
1124 attribute macros from here ...
1125 (CPP_SPEC): to here.
1126 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1127 (CPP_SPEC): Likewise.
1128 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
1130 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
1131 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
1133 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1135 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
1137 * diagnostic (vbuild_message_string, build_message_string,
1138 build_location_prefix, output_get_prefix, init_output_buffer,
1139 output_notice, vline_wrapper_message_with_location,
1140 v_message_with_decl, default_print_error_function): De-constify.
1141 (set_real_maximum_length): Prototype.
1143 * diagnostic.h (struct output_buffer, init_output_buffer,
1144 output_get_prefix, output_set_prefix): De-constify.
1146 * function.c (init_function_start): Constify.
1148 * gensupport.c (remove_constraints, process_rtx): Prototype.
1150 * gthr-posix.h: Indent uses of #pragma.
1152 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
1155 * predict.c (find_expected_value): Delete prototype.
1156 (expected_value_to_br_prob): Initialize variable `ev_reg'.
1158 * sbitmap.h (debug_sbitmap): Prototype.
1160 * ssa.c (compute_coalesced_reg_partition): Prototype.
1162 * stor-layout.c (debug_rli): Prototype.
1164 * tree.h (round_down): Prototype.
1165 (init_function_start): Constify.
1167 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
1169 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
1170 (overly conservative). Change extern inline wrappers to
1171 static inline, define them always, use PARAMS properly.
1172 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
1173 whitespace warnings for \f and \v at the beginning of a line.
1175 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
1177 * haifa-sched.c (schedule_insns): Free the flow edge list when it
1180 2000-05-04 Bruce Korb <bkorb@gnu.org>
1182 * fixincl/inclhack.def: added broken_cabs -
1183 Remove `extern double cabs' declarations from math.h
1184 * fixincl/inclhack.sh: regen
1185 * fixincl/fixincl.x: regen
1186 * fixincl/fixincl.c: Remove BOGOSITY code
1187 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
1189 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1191 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
1193 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
1194 when calling MEM_COPY_ATTRIBUTES.
1195 * emit-rtl.c (operand_subword, change_address): Likewise.
1196 * explow.c (stabilize): Likewise.
1197 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
1198 * integrate.c (copy_rtx_and_substitute): Likewise.
1199 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
1200 when calling MEM_COPY_ATTRIBUTES.
1201 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
1203 * cse.c (gen_lowpart_if_possible): Likewise.
1204 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
1205 * optabs.c (gen_move_insn): Likewise.
1206 * recog.c (validate_replace_rtx_1): Likewise.
1207 * simplify-rtx.c (add_mem_for_addr): Likewise.
1208 * stmt.c (expand_anon_union_decl): Likewise.
1209 * config/arm/arm.md: Likewise.
1210 * config/h8300/h7300.c (fix_bit_operand): Likewise.
1211 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
1212 (block_move_no_loop, block_move_sequence): Likewise.
1213 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
1214 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1215 Clear MEM_ALIAS_SET.
1216 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
1217 MEM_COPY_ATTRIBUTES.
1219 2000-05-03 Robert Lipe <robertlipe@usa.net>
1221 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
1222 to suppress libgcc1.
1223 (i[34567]86-*-sco3.2v5*) Likewise.
1224 (i[34567]86-*-sco3.2v4*) Likewise.
1225 (i[34567]86-*-sco) Likewise.
1226 (i[34567]86-*-solaris2) Likewise.
1227 (i[34567]86-*-sysv5*) Likewise.
1228 (i[34567]86-*-sysv4*) Likewise.
1229 (i[34567]86-*-udk*) Likewise.
1230 (i[34567]86-*-sysv*) Likewise.
1232 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1234 * cpphash.h (U): New define, to correct type of string constants.
1235 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
1236 routines, to do casts when passing unsigned strings to libc.
1237 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
1239 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
1240 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
1241 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
1242 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
1243 second argument an U_CHAR *.
1245 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
1246 length field, clean up initializer.
1247 (ISTABLE): Add __extension__ to designated-
1248 initializers version.
1249 * cpplex.c (CHARTAB): Likewise.
1251 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
1252 case so the file won't be empty.
1254 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
1256 * bb-reorder.c (struct reorder_block_def): Member succ removed.
1257 (REORDER_BLOCK_SUCC): Removed.
1258 (enum reorder_skip_type): Removed.
1259 (skip_insns_between_block): Renamed to skip_insns_after_block.
1260 Removed second argument. Removed dead code and cleaned up.
1261 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
1262 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
1263 second parameter to skip_insns_after_block.
1265 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1267 * tree.c (staticp, case LABEL_DECL): New case.
1269 2000-05-03 Richard Henderson <rth@cygnus.com>
1271 * Makefile.in (start.encap): Do not depend on LIBGCC1.
1273 * mklibgcc1.in: Fix typo last change.
1275 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1277 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
1278 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
1279 (GCC_CFLAGS): Use it.
1280 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
1281 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
1282 objc/Make-lang.in: Use it.
1284 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
1286 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
1288 2000-05-03 Richard Henderson <rth@cygnus.com>
1290 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
1291 LIBGCC1 empty with libgcc1.null.
1293 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
1295 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
1298 2000-05-03 Greg McGary <gkm@gnu.org>
1300 * tree.h (tree_common): Add bounded_flag member. Remove
1301 inaccurate comment about number of remaining bits.
1302 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
1303 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
1304 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
1305 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
1306 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
1307 (TYPE_QUAL_BOUNDED): New constant.
1308 (TYPE_QUALS): Handle bounded qualifier.
1309 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
1310 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
1311 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
1312 TYPE_AMBIENT_BOUNDEDNESS): New macros.
1313 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
1314 (tree_type): Add pointer_depth member. Remove
1315 inaccurate comment about number of remaining bits.
1316 (DECL_POINTER_DEPTH): Add macro.
1317 (tree_decl): Add pointer_depth member.
1319 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
1321 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
1322 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
1323 (lshrhi3_out): Likewise.
1324 (ashrsi3_out): bugfix in shift by 8.
1325 (test_hard_reg_class): New function.
1326 * config/avr/avr.md: Bugfix inside conditions in peepholes.
1327 (ashlhi3): removed define_expand of this pattern.
1328 (*ashlhi3_insn): renamed to ashlhi3.
1329 (ashlsi3): removed define_expand of this pattern.
1330 (*ashlsi3_insn): renamed to ashlsi3.
1331 (ashrqi3): removed define_expand of this pattern.
1332 (*ashrqi3_insn): renamed to ashrqi3.
1333 (ashrhi3): removed define_expand of this pattern.
1334 (*ashrhi3_insn): renamed to ashrhi3.
1335 (ashrsi3): removed define_expand of this pattern.
1336 (*ashrsi3_insn): renamed to ashrsi3.
1337 (lshrhi3): removed define_expand of this pattern.
1338 (*lshrhi3_insn): renamed to lshrhi3.
1339 (lshrsi3): removed define_expand of this pattern.
1340 (*lshrsi3_insn): renamed to lshrsi3.
1342 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
1344 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
1345 inclusion of "system.h".
1347 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
1349 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
1352 2000-05-03 David Mosberger <davidm@hpl.hp.com>
1354 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
1355 if -mauto-pic is on.
1356 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
1357 -mconstant-gp is in effect and function-descriptors are being used
1358 to make indirect calls.
1359 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
1360 (MASK_AUTO_PIC): Ditto.
1361 (TARGET_CONST_GP): Ditto.
1362 (TARGET_AUTO_PIC): Ditto.
1363 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
1364 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
1365 -mno-pic is in effect.
1366 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
1367 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
1368 -mauto-pic is in effect.
1369 (gprel64_offset): New pattern.
1370 (load_gprel64): Ditto.
1371 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
1372 -mconstant-gp is in effect, no need to preserve gp around direct
1374 (call_value): Ditto.
1375 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
1376 (FUNCTION_PROFILER): Define.
1377 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
1378 @fptr() directive when -mno-pic or -mauto-pic is in effect.
1379 (ASM_OUTPUT_DESTRUCTOR): Ditto.
1381 2000-05-03 Richard Henderson <rth@cygnus.com>
1383 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
1384 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
1385 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
1386 (mklibgcc, libgcc.mk): New targets.
1387 (libgcc.a): Use libgcc.mk.
1388 (stmp-multilib): Likewise.
1389 (stmp-multilib-sub): Remove.
1390 (mostlyclean): Don't delete libgcc2 temp files.
1391 * configure.in (AC_PROG_CC_C_O): Add.
1392 (NO_MINUS_C_MINUS_O): Substitute it.
1393 (all_outputs): Add mklibgcc.
1394 * mklibgcc.in: New file.
1396 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1398 * cppexp.c (op_t): Make an int.
1400 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
1402 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
1404 * gensupport.c (process_rtx): Fix macros used.
1406 2000-05-03 Richard Henderson <rth@cygnus.com>
1408 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
1409 call-clobbered registers of a call.
1411 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
1413 * gensupport.c: New file.
1414 * gensupport.h: New file.
1415 * Makefile.in (HOST_RTL): Depend on gensupport.
1416 (gensupport.o) New rule.
1417 * genattr.c: Use gensupport for reading .md files.
1418 * genattrtab.c: Ditto.
1419 * gencodes.c: Ditto.
1420 * genconfig.c: Ditto.
1422 * genextract.c: Ditto.
1423 * genflags.c: Ditto.
1424 * genopinit.c: Ditto.
1425 * genoutput.c: Ditto.
1427 * genrecog.c: Ditto.
1428 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
1429 * md.texi (Insn Splitting): Document define_insn_and_split.
1431 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
1433 * flow.c (verify_flow_info): Added two more sanity checks. The
1434 first checks that the blocks are numbered consecutively. The second
1435 checks that n_basic_blocks is actually equal to the number of
1436 basic blocks in the insn chain.
1438 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1440 * cpplib.h: Add accessor macros for token lists.
1441 * cpplib.c, cpphash.c, cpplex.c: Use them.
1443 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1445 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
1446 memory usage if not in a function.
1447 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
1448 return address if static.
1450 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
1452 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
1453 whether address may trap.
1455 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
1457 * bb-reorder (chain_reorder_blocks): Changed code to test for
1458 EDGE_FALLTHRU rather than making erroneous assumption that the
1459 first outgoing edge is the fall-through edge.
1461 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1463 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
1464 ABI for varargs, across all MIPS. This is incompatible because the
1465 va_list (__builtin_va_list) structure is different, so a compilation
1466 unit passing a va_list and a compilation unit being passed one, should
1467 both be compiled with the same ABI. (The old structure had two
1468 pointers, now it has three.)
1470 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
1472 * bb-reorder.c (struct reorder_block_def): Remove members end,
1473 block_begin, and block_end.
1474 (REORDER_BLOCK_OLD_END): Delete.
1475 (REORDER_BLOCK_BEGIN): Delete.
1476 (REORDER_BLOCK_END): Delete.
1477 (chain_reorder_blocks): Remove dead code.
1479 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
1481 * bb-reorder.c (remove_scope_notes): Check for both types of scope
1482 notes as the end of a basic block before deleting.
1484 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
1486 * final.c (final_start_function): Fix spelling of "necessary".
1488 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
1490 * toplev.c (debug_ignore_block): Return int.
1491 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
1492 * toplev.h, dwarf2out.h: Adjust.
1493 * emit-rtl.c (remove_unnecessary_notes): Test return value.
1495 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
1496 * toplev.c, final.c, rtl.h: Adjust.
1498 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1500 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
1501 * configure.in: Look for makeinfo in the unified tree, then
1502 for a system makeinfo which is sufficiently new.
1503 * Makefile.in: If configure says makeinfo is too old, don't
1504 build or install Info documentation.
1506 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1508 * cpphash.c (collect_params): Fix off-by-one error.
1509 (dump_hash_helper): Dump all four macro nodetypes.
1511 2000-05-02 Jakub Jelinek <jakub@redhat.com>
1513 * cpphash.c (trad_stringify): Adjust p after stringification as
1516 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1518 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
1519 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
1521 * cppfiles.c (file_cleanup): Delete.
1522 * cpphash.c (macro_cleanup): Delete.
1523 (collect_objlike_expansion, collect_funlike_expansion,
1524 macarg, scan_arguments): Remove CPP_POP case.
1526 * cpplex.c (null_cleanup): Delete.
1527 (cpp_pop_buffer): Do the work that was done in the cleanups
1528 here. Call _cpp_unwind_if_stack from here.
1529 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
1530 cpp_scan_buffer): Run until we see CPP_EOF and the top of
1531 stack is the buffer _below_ the one we stacked.
1532 (cpp_get_token): Always pop an exhausted buffer. Return
1533 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
1534 * cpplib.c (skip_if_group): Don't call cpp_get_token to
1535 increment the line number.
1536 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
1538 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
1539 we see CPP_EOF and the top of stack is the buffer _below_ the
1541 * scan-decls.c: Likewise.
1543 2000-05-02 Andrew Haley <aph@cygnus.com>
1545 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
1546 where this function is called for the second time on a decl that
1547 has had its section info changed in such a way as to move it out
1549 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
1551 2000-05-01 Richard Henderson <rth@cygnus.com>
1553 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
1554 the sequence we're moving, not to merge_bb->head.
1556 2000-05-01 Richard Henderson <rth@cygnus.com>
1558 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
1559 reference to alpha/t-linux.
1560 (alpha*-*-linux-gnu*): Likewise.
1561 * configure: Rebuild.
1563 * calls.c (expand_call): Don't emit reg notes for a sibcall.
1565 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
1568 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
1570 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
1572 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
1575 2000-05-01 Richard Henderson <rth@cygnus.com>
1577 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
1578 emit_conditional_move.
1580 2000-05-01 Jakub Jelinek <jakub@redhat.com>
1582 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
1583 as the dynamic linker.
1585 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
1587 * cppfiles.c (open_include_file): Open file in blocking mode.
1588 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
1589 Only exclude block devices and directories.
1591 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
1592 static. Allocate the hashnode and its string in the same
1594 (del_HASHNODE): Don't free h->name.
1595 (_cpp_lookup): If there is no entry for this string, create
1596 one, of type T_VOID.
1597 (_cpp_lookup_slot): Delete.
1598 * cpphash.h: Update prototypes.
1600 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
1602 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
1603 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
1604 node here, just fill in the value field properly. "Delete"
1605 entries by setting the value field to T_VOID. Check for
1606 hp->type == T_VOID, not hp == NULL.
1608 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
1609 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
1612 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
1614 * config/mn10300/mn10300.c (print_operand_address): Do not add
1617 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
1618 adjusted by less than 256 bytes, use ret regardless of having any
1619 callee-saved register to restore.
1621 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
1623 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
1625 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
1627 * config/i386/djgpp.h (INT_ASM_OP): Define.
1628 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
1629 (ASM_WEAKEN_LABEL): Define.
1630 (MASK_BNU210): Define.
1631 (SUBTARGET_SWITCHES): Define.
1632 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
1633 (MAKE_DECL_ONE_ONLY): Define.
1634 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
1636 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
1638 * i386/cygwin.h (INT_ASM_OP): Define.
1640 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
1642 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
1643 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
1645 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
1647 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
1648 __tmp_reg__ and __zero_reg__ initialization.
1650 2000-04-30 Richard Henderson <rth@cygnus.com>
1652 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
1654 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
1655 referenced bewteen the condition and the jump. Don't delete
1656 anything but the jump.
1658 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
1660 * bb-reorder.c (scope_def): New struct.
1661 (scope_forest_info): New struct.
1662 (struct reorder_block_def): New member "scope".
1663 (REORDER_BLOCK_SCOPE): New macro.
1664 (relate_bbs_with_scopes): New function and prototype.
1665 (make_new_scope): Likewise.
1666 (build_scope_forest): Likewise.
1667 (remove_scope_notes): Likewise.
1668 (insert_intra_1): Likewise.
1669 (insert_intra_bb_scope_notes): Likewise.
1670 (insert_inter_bb_scope_notes): Likewise.
1671 (rebuild_scope_notes): Likewise.
1672 (free_scope_forest_1): Likewise.
1673 (free_scope_forest): Likewise.
1674 (dump_scope_forest): Likewise.
1675 (dump_scope_forest_1): Likewise.
1676 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
1677 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
1679 (reorder_basic_blocks): Added calls to build_scope_scope_forest
1680 and remove_scope_notes before reordering is done. Added calls to
1681 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
1682 after reordering is done.
1684 2000-40-30 Bruce Korb <bkorb@gnu.org>
1686 * fixinc/inclhack.def: Added definitions needed by OSR5,
1687 removed two stale entries (defined away with OLD_CPP).
1688 * fixinc/inclhack.sh: regen
1689 * fixinc/fixincl.x: regen
1691 2000-04-30 Richard Henderson <rth@cygnus.com>
1693 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
1694 from the last insn in the sequence.
1696 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
1698 * cpplex.c (cpp_idcmp): New function.
1699 * cpplib.h: Prototype it.
1700 * scan_decls.c (scan_decls): Use it to inspect token names.
1701 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
1702 the file being run through the preprocessor.
1703 (check_macro_names): Provide length of token to cpp_defined.
1705 * Makefile.in: Remove stale warning message.
1707 * cppfiles.c (redundant_include_p): Provide length of token to
1709 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
1710 values are unsigned int.
1711 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
1712 (_cpp_lookup_slot): Do not calculate the hash, either.
1713 * cpphash.h: Update prototypes.
1714 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
1715 Hashes are unsigned int. Calculate hash here, pass by value
1716 to _cpp_lookup_slot.
1718 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
1720 * simplify-rtx.c (check_value_useless): Delete function.
1721 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
1723 (cselib_invalidate_regno): Likewise.
1724 (cselib_invalidate_mem_1): Likewise.
1725 (references_value_p): Recognize useless values by the fact that they
1727 (discard_useless_values): Likewise.
1728 (cselib_record_set): This may turn a useless value
1731 2000-04-30 Richard Henderson <rth@cygnus.com>
1733 * config/d30v: New port.
1735 * configure.in (d30v-*): Set fp format.
1736 * configure: Rebuild.
1738 2000-04-30 Richard Henderson <rth@cygnus.com>
1740 * ifcvt.c: New file.
1741 * Makefile.in (OBJS): Add it.
1742 (ifcvt.o): New target.
1743 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
1744 and conditional arithmetic.
1745 (find_insert_position): Remove.
1746 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
1747 * toplev.c (DFI_ce, DFI_ce2): New.
1748 (dump_file): Add ce and ce2 dumps.
1749 (rest_of_compilation): Run if_convert a couple o times. Set
1750 cse_not_expected after cse2. Don't set no_new_pseudos until
1751 after sched1 or recompute_reg_usage.
1753 2000-04-30 Richard Henderson <rth@cygnus.com>
1755 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
1756 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
1758 2000-04-30 Richard Henderson <rth@cygnus.com>
1760 * flow.c (struct reg_cond_life_info): New.
1761 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
1762 (init_propagate_block_info): Initialize them.
1763 (free_propagate_block_info): Destruct them.
1764 (mark_set_1): Consider conditional life before killing a register.
1765 (mark_regno_cond_dead): New.
1766 (free_reg_cond_life_info): New.
1767 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
1768 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
1769 (mark_used_reg): Record conditional life.
1771 * haifa-sched.c (schedule_insns): Disable death counting
1772 sanity check for HAVE_conditional_execution.
1774 2000-04-30 Richard Henderson <rth@cygnus.com>
1776 * Makefile.in (TIMEVAR_H): New.
1777 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
1778 (timevar.h): Remove rule.
1780 2000-04-29 Richard Henderson <rth@cygnus.com>
1782 * config/alpha/crtend.asm: Use C comments instead of #.
1783 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
1785 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
1787 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
1789 * cpphash.h (enum node_type: Take out T_MCONST.
1790 (union hashval): Move into struct hashnode.
1791 (struct hashnode): Pack tighter. Remove file, line, col
1793 * cpphash.c: Constify most of the macro-definition structures.
1794 (struct definition): Replace by struct object_defn
1795 and struct funct_defn. Put file, line, column information
1796 here. All users updated to match.
1797 (_cpp_create_definition, _cpp_macroexpand): Remove special
1798 case for #define WORD OTHERWORD.
1799 * cpplib.c (do_undef): Remove T_MCONST case.
1801 * cpphash.h: Move struct reflist, struct definition, and the
1802 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
1803 union hashval. _cpp_free_definition takes a HASHNODE pointer.
1804 * cpphash.c (_cpp_free_definition): Free data pointed to by
1805 MCONST, XCONST, MACRO, and FMACRO nodes properly.
1806 (_cpp_create_definition, del_HASHNODE): Just call
1807 _cpp_free_definition to clear out a hashnode.
1808 * cpplib.c (do_pragma_poison): Likewise.
1810 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1812 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
1813 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
1814 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
1815 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
1816 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
1817 REGNO_AM33_P): Redefine in terms of the new macros.
1818 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
1819 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
1820 STRUCT_VALUE): Likewise.
1821 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1822 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
1824 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
1826 * regmove.c (struct record_stack_memrefs_data): New.
1827 (record_stack_memrefs): New function.
1828 (combine_stack_adjustments_for_block): Use it.
1830 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
1832 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
1833 use special_function_p to detect alloca.
1835 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
1837 * gcc.texi: Fixes for makeinfo 4.0 --html.
1839 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
1841 * pcp.h: Delete file.
1843 2000-04-28 Kazu Hirata <kazu@hxi.com>
1845 * h8300.c (function_epilogue): Clean up flags when the last insn
1846 in a function is a barrier.
1848 2000-04-28 Chris Demetriou <cgd@sibyte.com>
1850 * configure.in (sparc-hal-solaris2*): protect [] glob from
1852 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
1853 rather than hard-coded constants in target_cpu_default2.
1854 * configure: Regenerate.
1856 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
1858 * tree.c (get_callee_fndecl): Extract the initial value from
1861 2000-04-28 Richard Henderson <rth@cygnus.com>
1863 * varasm.c (record_constant_1): Record the CODE_LABEL when
1864 taking the address of a LABEL_REF.
1866 2000-04-28 Richard Henderson <rth@cygnus.com>
1867 Jan Hubicka <jh@suse.cz>
1869 * calls.c (combine_pending_stack_adjustment_and_call): Return the
1870 adjustment; don't do the stack adjust.
1871 (expand_call): Call compute_argument_block_size right before
1872 allocating the block; update comment; don't do alignment sanity
1873 checking for sibling call; use args_size instead of
1874 unadjusted_args_size before args_size is adjusted. Use
1875 combine_pending_stack_adjustment_and_call to compute stack adjust
1876 for must_preallocate case.
1878 * expr.c (push_block): Remove shadow `temp' in inner scope.
1880 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
1882 * toplev.c (rest_of_compilation): Call
1883 note_deferral_of_defined_inline_function even if the function
1886 2000-04-28 Scott Bambrough <scottb@netwinder.org>
1888 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
1890 2000-04-28 Richard Henderson <rth@cygnus.com>
1892 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
1894 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1896 * timevar.c (init_timevar): DeANSIfy function definition.
1898 2000-04-27 Alex Samuel <samuel@codesourcery.com>
1900 * Makefile.in (timevar.o): Depend on flags.h.
1901 * timevar.c (unused_stack_instances): New variable.
1902 (timevar_push): Take a timevar_stack_def from
1903 unused_stack_instances if available.
1904 (timevar_pop): Push the popped timevar_stack_def onto
1905 unused_stack_instances.
1906 (TIMEVAR_ENABLE): New macro.
1907 (timevar_def): Make standalone a 1-bit field. Add field used.
1908 (get_time): Rename parameter to now. Return after clearing it if
1910 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
1911 (timevar_pop): Likewise.
1912 (timevar_stop): Likewise.
1913 (timevar_push): Likewise. Mark the timing variable as used.
1914 (timevar_start): Likewise.
1915 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
1916 timevars that were never used.
1918 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1920 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
1921 always TREE_READONLY.
1923 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
1925 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
1926 for call instruction with mode QImode.
1928 2000-04-27 Alex Samuel <samuel@codesourcery.com>
1930 * Makefile.in (OBJS): Add timevar.o.
1931 (toplev.o): Depend on timevar.h.
1932 (ggc-simple.o): Likewise.
1933 (ggc-page.o): Likewise.
1934 (timevar.o): New rule.
1935 (timevar.h): New rule.
1937 * timevar.h: New file.
1938 * timevar.c: Likewise.
1939 * timevar.def: Likewise.
1941 * toplev.h (gc_time, parse_time, varconst_time): Remove.
1942 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
1944 (TIMEVAR): Remove macro.
1945 (gc_time, parse_time, varconst_time, integration_time, jump_time,
1946 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
1947 flow_time, combine_time, regmove_time, sched_time,
1948 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
1949 sched2_time, dbr_sched_time, reorder_blocks_time,
1950 rename_registers_time, shorten_branch_time, stack_reg_time,
1951 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
1953 (compile_file): Don't initialize time variables. Call
1954 init_timevar and start TV_TOTAL timer. Call timevar_print instead
1955 of many calls to print_time.
1956 (rest_of_compilation): Add timing for reload_cse_regs.
1957 (get_run_time): Removed to timevar.c.
1958 (print_time): Likewise.
1959 (get_run_time): Implement using TV_TOTAL time variable.
1960 (print_time): Get total run time from get_run_time.
1961 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
1962 computing elapsed time explicitly.
1963 * ggc-simple.c (ggc_collect): Likewise.
1964 (gc_time): Remove declaration.
1966 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1968 * calls.c (combine_pending_stack_adjustment_and_call): New function.
1969 (expand_call): Use it.
1971 2000-04-27 Jan Hubicka <jh@suse.cz>
1973 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
1976 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1978 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
1981 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
1983 * function.c (epilogue_done): Pass whole insn to record_insns.
1985 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
1987 * cse.c (CSE_ADDRESS_COST): Remove.
1988 (find_best_addr): Add new parameter "MODE", use address_cost instead
1990 (address_cost): New.
1991 (fold_rtx): Update call of find_best_addr.
1992 * rtl.h (address_cost): Declare.
1993 * loop.c (general_induction_var): Add new parameter "MODE", use
1994 address_cost instead of ADDRESS_COST
1995 (init_loop): Use address_cost instead of ADDRESS_COST.
1996 (check_insn_for_givs): Update call of general_induction_var.
1997 (find_mem_givs): Likewise.
1998 (consec_sets_giv): Likewise.
1999 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
2000 * i386.c (ix86_address_cost): New.
2001 * i386-protos.h (ix86_address_cost): Declare.
2003 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
2005 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
2008 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
2010 * expr.c (store_expr): Use clear_storage instead of direct memset
2013 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
2015 * config/mn10300/mn10300.c (mn10300_address_cost): Test
2016 ASHIFT, AND and LABEL_REF.
2018 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
2020 * invoke.texi (-foptimize-sibling-calls): Fix.
2022 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
2024 * loop.c (load_mems) Don't use hard registers for the hoisting.
2026 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
2027 calculation; rename const_equiv array in the preconditioning code
2028 from loop_unroll to loop_unroll_precondition
2030 2000-04-27 Richard Henderson <rth@cygnus.com>
2032 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
2034 (propagate_one_insn): Clear it. Don't update reg_live here.
2035 (init_propagate_block_info): Update for pbi member changes.
2036 (free_propagate_block_info): Likewise.
2037 (mark_set_1): Know that zero_extract, sign_extract, and
2038 strict_low_part don't kill their argument. Alter hard subregs.
2039 Update new_set for non-CLOBBER sets. Update reg_live.
2040 (find_auto_inc): Update reg_live, not new_dead.
2041 (mark_used_reg): Update reg_live, not new_live. Examine new_set
2042 to determine if the reg in question was set this insn. Only update
2043 reg info with PROP_REG_INFO.
2045 2000-04-26 Richard Henderson <rth@cygnus.com>
2047 * flow.c (allocate_reg_life_data): Set max_regno here ...
2048 (life_analysis): ... not here.
2050 * flow.c (calculate_global_regs_live): Force stack pointer
2053 2000-04-26 Richard Henderson <rth@cygnus.com>
2055 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
2056 commit change group changes.
2057 (invert_exp_1): Similarly.
2058 (redirect_exp, invert_exp): Use them.
2059 (redirect_jump_1): New.
2060 (invert_jump_1): New.
2061 (jump_optimize_1): Remove code subsumed by condexec.c.
2062 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
2064 2000-04-26 Richard Henderson <rth@cygnus.com>
2066 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
2068 * genconfig.c (main): Set all HAVE_foo to 1.
2070 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
2072 2000-04-26 Alex Samuel <samuel@codesourcery.com>
2074 * invoke.texi: Document -fssa flag.
2076 2000-04-26 Richard Henderson <rth@cygnus.com>
2078 * flow.c (count_reg_sets_1): Remove.
2079 (count_reg_sets, count_reg_references): Remove.
2080 (recompute_reg_usage): Implement with update_life_info.
2081 Reallocate life data.
2083 2000-04-26 Richard Henderson <rth@cygnus.com>
2085 * flow.c (update_life_info): Consider blocks null to mean the
2087 (calculate_global_regs_live): Likewise.
2088 (life_analysis): Do that instead of collecting all_blocks.
2090 2000-04-26 Richard Henderson <rth@cygnus.com>
2092 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
2093 a still-valid conditional jump.
2095 2000-04-26 Richard Henderson <rth@cygnus.com>
2097 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
2099 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
2100 * flow.c (calculate_loop_depth): Remove.
2101 * output.h (calculate_loop_depth): Don't declare.
2102 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
2103 inline; run estimate_probability at the same time.
2105 2000-04-26 Neil Booth <NeilB@earthling.net>
2107 * cpplib.h: "~=" is not a single pp-token.
2108 * cpplex.c: Correct commentary.
2110 2000-04-26 Richard Henderson <rth@cygnus.com>
2112 * flow.c (mark_set_1): New arguments code and flags; update all
2113 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
2114 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
2115 loop_depth when optimizing for size. Do new_dead update after
2116 emitting REG_UNUSED notes. Merge mark_set_reg code.
2117 (mark_set_reg): Remove.
2118 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
2119 arrange to not emit REG_UNUSED notes.
2121 2000-04-26 Richard Henderson <rth@cygnus.com>
2123 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
2124 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
2126 2000-04-26 Richard Henderson <rth@cygnus.com>
2128 * flow.c (propagate_one_insn): Break out from propagate_block.
2129 (init_propagate_block_info): Likewise.
2130 (free_propagate_block_info): Likewise.
2131 (propagate_block): Use them. Export.
2132 * basic-block.h: Declare them all.
2134 2000-04-26 Richard Henderson <rth@cygnus.com>
2136 * basic-block.h (life_analysis): Declare here ...
2137 * output.h: ... not here.
2138 * flow.c (life_analysis): Remove nregs parameter; replace
2139 remove_dead_code with flags. Remove ssa dead code check.
2140 Only init alias analysis if we'll use it.
2141 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
2142 * ssa.c (convert_to_ssa): Likewise.
2143 (convert_from_ssa): Likewise.
2144 * toplev.c (rest_of_compilation): Likewise.
2146 2000-04-26 Richard Henderson <rth@cygnus.com>
2148 * flow.c (flow_delete_block): Rename from delete_block. Export.
2149 * basic-block.h (flow_delete_block): Declare.
2151 2000-04-26 David S. Miller <davem@redhat.com>
2153 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
2154 taking a PATTERN of it.
2156 2000-04-26 <NeilB@earthling.net>
2158 * cpplex.c (spell_other, spell_char): Remove.
2160 (token_spelling, trigraph_map): Use unsigned chars.
2161 (_cpp_lex_line): Tidy up the switch statement.
2162 * cpplib.h: Implement spell_char with spell_string.
2165 2000-04-26 <RodneyBrown@pmsc.com>
2167 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2168 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2170 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2172 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
2173 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
2174 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
2175 dwarf2out_return_save, dwarf2out_return_reg,
2176 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
2177 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
2178 gen_compile_unit_die, dwarf2out_init): Constify a char*.
2180 * dwarf2out.h (dwarf2out_init): Likewise.
2182 * dwarfout.c (filename_entry, primary_filename, last_filename,
2183 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
2185 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
2186 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
2187 dwarf2out_return_reg): Likewise.
2189 2000-04-26 Andreas Jaeger <aj@suse.de>
2191 * extend.texi (Function Attributes): Fix description of pure
2194 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2196 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
2197 before calling rest_of_compilation.
2199 2000-04-26 Andreas Jaeger <aj@suse.de>
2201 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
2204 2000-04-25 Richard Henderson <rth@cygnus.com>
2206 * cse.c (cse_insn): Emit barrier after unconditional jump.
2208 * calls.c (expand_call): Disable tail call generation once
2209 rtx_equal_function_value_matters is false.
2211 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
2214 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
2216 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
2218 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
2220 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
2221 is the primary DIE for a member function.
2222 (gen_decl_die): Call set_decl_origin_self here.
2223 * dwarfout.c (output_decl): And here.
2224 * integrate.c (output_inline_function): Not here.
2225 Don't clear DECL_INLINE until after calling rest_of_compilation.
2226 (set_decl_origin_self): No longer static.
2227 * tree.h: Add prototype.
2228 * toplev.c (note_deferral_of_defined_inline_function): Only write
2229 out abstract instance for actual inlines.
2231 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
2233 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
2234 EXTENDED_REGS only if TARGET_AM33.
2235 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
2236 SP_REGS to register allocation and reloading unless absolutely
2238 (movsi3): Remove special-case of adding non-constants to SP.
2240 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2242 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
2243 INCLUDES to search and does not provide any of its own. Also it
2244 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
2245 parameters. Also it does not call AC_DEFINE.
2246 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
2247 AC_DEFINE and provides for automatic entries for autoheader.
2248 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
2250 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
2251 so we can pass -I flags and include gansidecl.h/system.h in this
2254 * acconfig.h: Delete all NEED_DECLARATION_* entries.
2256 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2258 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2259 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2260 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
2262 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2263 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2264 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
2265 for these macros. Clean up spacing and linewraps.
2267 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2269 * calls.c (expand_call): Use get_callee_fndecl.
2271 * print-tree.c (print_node): Print the chain of an _EXPR.
2273 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
2274 Jim Wilson <wilson@cygnus.com>
2275 Andrew Haley <aph@cygnus.com>
2277 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
2278 and gp save/restore problems.
2279 * config/ia64/crtend.asm: Add IA-64 unwind support.
2280 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
2281 in fr_pad_size calculation.
2282 (save_restore_insns): Move PR save area. Correct uses of
2283 RTX_FRAME_RELATED_P.
2284 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
2285 (ia64_expand_epilogue): Add eh_epilogue support.
2286 (ia64_function_prologue): Emit .prologue directive.
2287 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
2288 (ia64_override_options): Set init_machine_status and
2289 mark_machine_status.
2290 (rtx_needs_barrier): Handle bsp reads and writes.
2291 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
2292 New static variables.
2293 (process_set, process_for_unwind_directive): New functions.
2294 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
2295 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
2296 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
2298 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
2299 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
2300 (struct machine_function): Define.
2301 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
2303 2000-04-25 Bruce Korb <bkorb@gnu.org>
2305 * fixinc/Makefile.in: make the removal of old programs more
2307 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
2308 install-bin and install-sh
2310 2000-04-25 Nick Clifton <nickc@cygnus.com>
2312 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
2313 defined, define to return zero.
2314 (function_cannot_inline_p): If a function has any target
2315 specific attributes, then use the macro
2316 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
2317 whether it can be inlined. If it cannot, issue a suitable
2320 * tm.texi: Add a new node 'Inlining' to document the new macro
2321 FUNCTION_ATTRIBUTE_INLINABLE_P.
2323 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
2325 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
2328 2000-04-25 Neil Booth <NeilB@earthling.net>
2330 Restore previous patch, plus the following fixes:
2332 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
2333 flags, not CPP_OPEN_PAREN.
2334 * cpplex.c (expand_token_space, init_token_list,
2335 cpp_free_token_list): Put the dummy token at list->tokens[-1].
2336 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
2338 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2340 * config/i386/freebsd.h (INT_ASM_OP): Define.
2342 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
2344 * loop.c (strength_reduce): Fix typo in the last checkin.
2346 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2348 * stor-layout.c (finalize_record_size): Simplify to use existing
2350 (compute_record_mode): No longer static.
2351 * tree.h (compute_record_mode): New declaration.
2353 2000-04-25 Neil Booth <NeilB@earthling.net>
2355 * Revert my patch below until cause of build failures
2358 2000-04-25 Richard Henderson <rth@cygnus.com>
2360 * combine.c (combine_instructions): Add missing argument
2363 * toplev.c (rest_of_compilation): Delay sibcall optimization
2364 until after emit_eh_context.
2366 2000-04-24 Nick Clifton <nickc@redhat.com>
2368 * combine.c (combine_instructions): Do not try to combine a
2369 sequence of insns when the second insn has been replaced by a
2372 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
2374 * gcc.c (load_specs): New static function.
2375 (read_specs): Use it.
2377 * gcc.c (lookup_compiler): Make multiple passes for case
2378 insensitive filesystems.
2380 2000-04-24 Neil Booth <NeilB@earthling.net>
2382 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
2383 * cpphash.h (_cpp_check_directive): new.
2384 * cpplex.c (handle_newline, cpp_free_token_list,
2385 init_trigraph_map, trigraph_ok, trigraph_replace,
2386 backslash_start, skip_block_comment, skip_line_comment,
2387 skip_whitespace, parse_name, parse_number, parse_string,
2388 copy_comment, _cpp_lex_line, spell_char, spell_string,
2389 spell_comment, spell_name, spell_other, _cpp_lex_file,
2390 _cpp_output_list): new.
2391 (expand_name_space): take length argument.
2392 (init_token_list): add comment list initialisation.
2393 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
2394 instead of HSPACE_BEFORE.
2396 * cpplib.c (_cpp_check_directive): new
2397 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
2398 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
2399 (HSPACE_BEFORE): delete.
2400 (TTYPE_TABLE): rearrange.
2401 (struct cpp_toklist): update.
2403 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2405 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
2406 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
2407 argument form of AC_DEFINE.
2409 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
2410 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
2411 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
2412 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
2413 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
2415 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
2417 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2419 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
2420 deduced.h): Use -isystem, not -I, for including system headers.
2422 2000-04-24 Nick Clifton <nickc@cygnus.com>
2424 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
2425 the source register is the frame pointer or arg pointer.
2426 (addsi3_small_int): Disallow if source register is the frame
2427 pointer or arg pointer.
2429 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2431 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
2432 call to AC_MSG_RESULT.
2434 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2436 * invoke.texi: Correct grammatical errors, document
2437 -fno-gnu-keywords as identical to -fno-asm for C++.
2439 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2441 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
2442 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
2443 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
2444 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
2445 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
2447 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
2448 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
2449 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
2450 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
2453 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
2455 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
2456 (pop_alignment): Likewise.
2457 (handle_pragma_token): Likewise.
2459 2000-04-24 Robert Lipe <robertlipe@usa.net>
2461 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
2463 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
2465 * combine.c (try_combine): Update reg_nonzero_bits of
2466 newi2pat before newpat.
2468 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
2470 * loop.c (strength_reduce): Simplify test to INSN_P.
2471 (record_giv): Attempt to simplify the add value, use CONSTANT_P
2472 expressions instead of CONST_INT.
2473 (express_from_1): Likewise.
2475 2000-04-24 Mark Mitchell <mark@codesourcery.com>
2477 * regs.h (reg_n_max): Don't declare.
2478 * flow.c (reg_n_max): Don't define.
2479 * regclass.c (renumber): Don't initialize to zero.
2480 (regno_allocated): Likewise.
2481 (reg_n_max): Define.
2482 (allocate_reg_info): Don't initialize unnecessarily.
2484 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
2486 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
2487 and blockage_p in the newly allocated attribute.
2489 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
2491 * config/mn10300/mn10300.md (addsi): `inc4' on address
2492 registers does not modify cc, but `inc' on an extended
2495 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
2497 * reload.c (find_equiv_reg): Checks all valueno regs
2498 as a reload_reg_p regs.
2500 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2502 * cpphash.c (collect_objlike_expansion): Add sanity check.
2503 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
2504 the buffer is the empty string, return. Mark __DATE__ and
2505 __TIME__ as XCONST nodes, not MCONST.
2506 (_cpp_macroexpand): Avoid pushing an empty buffer.
2507 (funlike_macroexpand): Don't pop token_buffer here.
2509 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
2511 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
2512 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
2513 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
2514 (REGNO_OK_FOR_BASE_P): Define in terms of them.
2515 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
2516 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
2517 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
2519 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2521 * loop.c (simplify_giv_expr): Be more agressive on simplifying
2524 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2526 * cpphash.h (struct definition): Move file, line, col members...
2527 (struct hashnode): ... here. Also add 'disabled' flag.
2528 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
2529 T_IDENTITY. Remove T_DISABLED.
2532 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
2533 (collect_expansion): Split into collect_objlike_expansion and
2534 collect_funlike_expansion.
2535 (_cpp_macroexpand): Split out scan_arguments, stringify, and
2536 funlike_macroexpand.
2537 (_cpp_compare_defs): Rename compare_defs, make static.
2538 (_cpp_make_hashnode): Initialize hp->disabled.
2539 (macro_cleanup): Adjust for new token types. Clear
2541 (_cpp_create_definition): Move code here to determine what
2542 sort of macro it is, and code to check for redefinitions, from
2543 do_define. Implement a few simple cases without creating a
2545 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
2546 Handle the simple cases.
2547 (push_macro_expansion): Set buf->has_escapes and hp->disabled
2550 * cppinit.c (builtin_array): Change MCONST to XCONST
2552 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
2553 fix check for disabled and function-like macros.
2554 * cpplib.c (do_define): Move most logic to
2555 _cpp_create_definition.
2556 (do_undef): Handle new special token types.
2558 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
2560 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
2561 of CONSTANT_P for mult_val; always use validate_change to update insn.
2563 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
2565 * cpphash.c (trad_stringify, add_pat): New functions.
2566 (collect_expansion): Restore support for -traditional syntax.
2567 Use trad_stringify and add_pat.
2568 (_cpp_macroexpand): Restore support for -traditional semantics.
2569 * cpplex.c (_cpp_scan_line): Don't change space_before if we
2570 get a COMMENT token.
2571 (_cpp_lex_token): Provide COMMENT tokens to caller if
2572 traditional and parsing_define_directive.
2573 (skip_comment): Warn about // comments if -Wtraditional.
2574 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
2576 (do_undef): Don't warn about undefining EMPTY nodes.
2578 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
2580 * loop.c (strength_reduce): Fix biv removal code.
2582 2000-04-22 Richard Henderson <rth@cygnus.com>
2584 * predict.c (estimate_probability): Examine both sides of
2585 a branch for no exits. Use 90% not 50% for predict taken.
2586 Reorg for one copy of note generation code.
2588 2000-04-22 Richard Henderson <rth@cygnus.com>
2590 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
2592 2000-04-22 Richard Henderson <rth@cygnus.com>
2594 * diagnostic.c (init_output_buffer): Don't initialize format_args.
2595 (output_clear): Likewise.
2596 (output_printf): Use va_copy.
2597 (vline_wrapper_message_with_location): Likewise.
2598 (v_message_with_decl): Likewise.
2599 (line_wrapper_printf): VA_START infor buffer.format_args directly.
2600 * system.h (va_copy): Provide default implementation.
2602 2000-04-22 Richard Henderson <rth@cygnus.com>
2604 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
2605 the collected condition is not a constant.
2607 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
2609 * diagnostic.h: New file.
2611 * Makefile.in (diagnostic.o): Depends on diagnostic.h
2613 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
2614 various function prototypes.
2615 (diagnostic.h): #include.
2616 (struct output_buffer): Move into diagnostic.h.
2617 (get_output_prefix): Rename to output_get_prefix. Export.
2618 (init_output_buffer): Export. Break out. Ajust intialization.
2619 (output_space_left, output_append): Export.
2620 (output_newline): Rename to output_add_newline. Export.
2621 (output_clear): Nullify additional output_buffer fields.
2622 (output_puts): Rename to output_add_string. Export.
2623 (dump_output): Rename to output_flush_on. Export.
2624 (build_location_prefix): Constify return-type.
2625 (emit_output_prefix): Rename to output_emit_prefix. Export.
2626 (set_real_maximum_length): New function.
2627 (output_set_maximum_length): Ditto
2628 (output_clear): Ditto.
2629 (output_add_character): Ditto.
2630 (output_add_integer): Ditto.
2631 (output_add_space): Ditto.
2632 (output_format): Ditto.
2633 (output_printf): Adjust buffer initialization.
2634 (vline_wrapper_message_with_location): Ditto.
2635 (v_message_with_decl): Ditto. Adjust call to output_puts
2636 and get_output_prefix.
2637 (default_print_error_function): Adjust buffer intialization.
2639 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2641 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
2644 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
2646 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
2649 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2651 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
2652 accurate data about SP moves.
2654 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
2656 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
2657 aliases to AM33 registers.
2659 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2661 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
2662 to all EXTENDED bitmaps.
2664 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
2666 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
2667 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
2668 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
2670 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
2672 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
2673 the operand is not constant.
2675 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
2677 * reload.c (find_equiv_reg): Checks all valueno and regno regs
2678 as a call-clobbered regs.
2680 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2682 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
2684 * rtl.def: Update comment.
2685 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
2686 * integrate.c (expand_inline_function): Likewise.
2687 * profile.c (branch_prob): Likewise.
2688 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
2689 * print-rtl.c (print_rtx): Likewise.
2690 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
2691 (reemit_notes): Likewise; also use enum insn_note.
2693 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
2694 (place_field): Properly compute know and actual alignment.
2696 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
2699 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
2702 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
2704 * cpphash.c (struct arg, struct arglist): Const-ify strings.
2705 (warn_trad_stringify, duplicate_arg_p): New helper functions.
2706 (collect_expansion): Rewrite to scan over a token list.
2707 Remove -traditional support.
2708 (collect_formal_parameters): Rename to collect_params; rewrite
2709 to scan over a token list.
2710 (_cpp_create_definition): Adjust to scan a token list.
2711 (_cpp_macroexpand): Remove -traditional support.
2712 (_cpp_compare_defs): Whitespace is now canonicalized.
2713 (comp_def_part): Delete function.
2715 * cpphash.h: Update prototypes.
2716 * cpplex.c (init_token_list): Don't set lineno if there is no
2718 (pedantic_whitespace): New function.
2719 (_cpp_scan_line): Mark tokens that had hspace before. Don't
2720 consume a newline. Use pedantic_whitespace.
2721 (_cpp_lex_token): Remove support for -traditional macros.
2722 (_cpp_get_define_token): Delete.
2723 (_cpp_get_directive_token): Do the real work here. Use
2724 pedantic_whitespace.
2725 (_cpp_init_input_buffer): Initialize pfile->directbuf.
2727 * cpplib.c (get_macro_name): Delete.
2728 (do_define): Read the entire line into pfile->directbuf, then
2729 feed the token list to _cpp_create_definition.
2730 * cpplib.h (HSPACE_BEFORE): new define.
2731 (struct cpp_reader): Add a toklist member, "directbuf".
2733 * predict.c (estimate_probability): New heuristic: if a jump
2734 branches around a block with no successors, predict it taken.
2735 Disentangle control flow.
2737 2000-04-20 Richard Henderson <rth@cygnus.com>
2739 * loop.c (emit_iv_add_mult): Revert last change.
2741 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
2743 * cpplib.h (enum cpp_ttype): Add token types for all
2744 punctuators. Distinguish pp-numbers from valid C numbers.
2745 Give some tokens better names. Initialize from macro.
2746 (struct cpp_name, cpp_token, cpp_toklist): New data
2749 * cpplex.c (bump_column, expand_name_space,
2750 expand_token_space, init_token_list, cpp_output_list,
2751 _cpp_scan_line): New functions.
2752 (output_line_command): Add third argument, new line number.
2753 * cpphash.h: Update prototypes.
2754 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
2757 2000-04-20 Richard Henderson <rth@cygnus.com>
2759 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
2761 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
2763 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
2766 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
2768 * loop.c (emit_iv_add_mult): Simplify it's input and emit
2769 REG_EQUAL note explaining the calculated value.
2771 * calls.c (expand_call): Avoid unnecesary precalculation
2772 and outgoing parameters space guarding for sibling calls.
2773 (store_one_arg): Likewise.
2775 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2777 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
2778 (rest_of_compilation): Write sibling dump file and account
2779 for time as jump time.
2780 * invoke.texi: Update documentation on dump flags.
2782 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
2784 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
2786 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
2788 * cpphash.c (special_symbol): Represent an empty macro with
2789 "\r \r " not just "\r ".
2790 (_cpp_macroexpand): Correct condition for the foo ( ) special
2792 (unsafe_chars): Handle EOF as second argument.
2793 (push_macro_expansion): Simplify test for removing escape at
2794 end. Do not trim both escapes if there is no text in between.
2796 2000-04-19 Jim Blandy <jimb@redhat.com>
2798 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
2799 of PTR_SIZE, when appropriate.
2801 2000-04-19 Mark Mitchell <mark@codesourcery.com>
2803 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
2804 (USE_ENUM_BITFIELDS): Fix typo.
2806 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2808 * stor-layout.c (place_field): Set rli->offset_align properly.
2810 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2812 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
2813 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
2814 PARM_BOUNDARY): Remove unnecessary casts.
2816 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
2818 * calls.c (precompute_arguments): Remove must_preallocate and
2820 (expand_call): Update call of precompute_arguments.
2822 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
2823 check_insn_for_givs): Break out from ...
2824 (strength_reduce) ... here; use for_every_insn_in_loop to call
2825 check_insn_for_givs.
2826 * loop.h (for_every_insn_in_loop): Declare.
2827 (loop_insn_callback): New type.
2829 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
2831 * cpplib.c (do_pragma_poison): Strings in the token buffer are
2834 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
2836 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
2839 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
2841 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
2843 * configure.in: Delete --disable-cpplib option and all
2844 references to cpp_main.
2845 * configure: Regenerate.
2846 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
2847 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
2848 cccp.o, cccp, or cppmain. Link cppmain.o straight to
2849 cpp$(exeext). Add --no-headers to makeinfo command line when
2850 generating INSTALL. Install and uninstall cpp.1 manpage, not
2852 * install.texi: Delete all references to cexp.y/cexp.c.
2853 Delete ancient instructions for compiling GCC on 3b1.
2854 * INSTALL: Regenerate.
2856 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
2857 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
2858 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
2860 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
2861 which is no longer tested anywhere.
2863 * cppinit.c (handle_option): Don't run error message through
2866 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2868 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
2869 * cpperror.c (hashtab.h): Now include.
2870 * cppexp.c (hashtab.h): Likewise.
2871 * cpplex.c (hashtab.h): Likewise.
2872 * cppfiles.c (hashtab.h): Likewise.
2873 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
2874 to htab_find_slot_with_hash.
2875 * cpphash.c (hashtab.h): Now include.
2876 (_cpp_lookup_slot): INSERT is now enum insert_option.
2877 * cpphash.h (_cpp_lookup_slot): Likewise.
2878 * cppinit.c (hashtab.h): Include earlier.
2879 (initialize_builtins): Pass enum to htab_find_slot.
2880 * cpplib.c (hashtab.h): Now include.
2881 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
2882 (do_pragma_poison, do_assert): Likewise.
2883 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
2884 htab_find_slot_with_hash.
2885 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
2886 * tree.c (type_hash_add): Likewise.
2887 (build1): Minor cleanup.
2889 * ggc-common.c: Add missing blanks.
2890 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
2891 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
2893 * stmt.c (mark_case_node): New function.
2894 (mark_case_nesting): Call it.
2896 * expmed.c (emit_store_flag): If comparing two-word integer
2897 with zero, can optimize NE, EQ, GE, and LT.
2899 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
2900 * conflict.c: Minor cleanups.
2901 * optabs.c: Add blank line
2902 * simplify-rtx.c: Minor cleanups.
2904 2000-04-18 Stan Cox <scox@cygnus.com>
2906 * gengenrtl.c (genlegend): Fix misspelling.
2908 2000-04-18 Robert Lipe <robertlipe@usa.net>
2910 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
2911 bitfields of the host compiler are not signed quantities.
2912 * config.in: Regenerate.
2913 * configure: Regenerate.
2914 * system.h (USE_ENUM_BITFIELDS): Added.
2915 (ENUM_BITFIELDS): Added.
2916 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
2917 (SHORT_ENUM_BUG): Deleted.
2918 * tree.h (tree_common): Members `code', `mode', `built_in_class',
2920 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
2921 (CODE_FIELD_BUG): Likewise.
2922 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
2924 * config/m68k/x-ccur (X_CFLAGS): Likewise.
2926 2000-04-18 Mark Mitchell <mark@codesourcery.com>
2928 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
2931 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2933 * cppexp.c (lex): Don't assume tokens are NUL terminated.
2934 * cpplib.c (do_include, do_import, do_include_next,
2935 read_line_number, detect_if_not_defined): Likewise.
2936 * cpphash.c (collect_expansion): Likewise.
2937 (special_symbol, _cpp_macroexpand): Check return from
2939 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
2940 macros. Delete all uses.
2942 * gcc.dg/cpp-mi.c: Add two more test cases.
2943 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
2945 2000-04-17 Richard Henderson <rth@cygnus.com>
2947 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
2948 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
2950 2000-04-17 Mark Mitchell <mark@codesourcery.com>
2952 * function.c (expand_function_start): Use hard_function_value to
2953 compute the RTL to use for DECL_RESULT.
2955 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2957 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
2958 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2959 x86_memory_mismatch_stall): New global variables.
2960 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
2961 alloved; fix load penalties for Athlon.
2962 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2963 x86_memory_mismatch_stall): Declare.
2964 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
2965 TARGET_MEMORY_MISMATCH_STALL): New.
2966 * i386.md (athlon scheduling parameters): Fix latencies according to
2967 Athlon Optimization Manual.
2968 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
2970 (fsqrt instruction patterns): Set athlon_decode to direct.
2971 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
2972 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
2973 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
2974 and TARGET_PARTIAL_REGISTER_STALL machines.
2975 (pushdf_nointeger): New pattern.
2976 (pushdf_integer): Rename from pushdf.
2977 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
2978 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
2980 2000-04-17 Richard Henderson <rth@cygnus.com>
2982 * loop.c (canonicalize_condition): Add WANT_REG argument.
2983 Stop the search if we match it.
2984 * expr.h (canonicalize_condition): Update decl.
2985 * predict.c (expected_value_to_br_prob): Use it. Track last
2986 expected value note.
2987 (find_expected_value): Remove.
2989 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
2991 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2993 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
2994 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
2996 * configure.in: Call AC_FUNC_MMAP_FILE.
2997 * configure: Regenerate.
2998 * config.in: Regenerate.
3000 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
3001 * fixinc/fixincl.c: Likewise.
3003 2000-04-17 Richard Henderson <rth@cygnus.com>
3005 * builtins.c (expand_builtin_expect): New.
3006 (expand_builtin): Call it.
3007 * builtins.def (BUILT_IN_EXPECT): New.
3008 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
3009 * extend.texi: Document it.
3011 * predict.c (expected_value_to_br_prob): New.
3012 (find_expected_value): New.
3013 * basic-block.h (expected_value_to_br_prob): Declare.
3014 * toplev.c (rest_of_compilation): Invoke it.
3016 * rtl.h (NOTE_EXPECTED_VALUE): New.
3017 (NOTE_INSN_EXPECTED_VALUE): New.
3018 * rtl.c (note_insn_name): Update.
3019 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
3020 cases; handle NOTE_INSN_EXPECTED_VALUE.
3022 2000-04-17 Jakub Jelinek <jakub@redhat.com>
3024 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
3025 leaf sibcall delay slot if flag_pic.
3026 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
3028 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3030 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
3032 * fixproto: If fix-header fails, exit with an error.
3034 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3036 * cse.c (struct check_depdendence_data): New.
3037 (check_dependence): New function.
3038 (invalidate): Use check_depdenence.
3040 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3042 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
3043 UNITS_PER_WORD is unsigned.
3045 * tree.h (struct tree_common): Remove misleading comment.
3047 2000-04-16 Dave Pitts <dpitts@cozx.com>
3049 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
3050 message in quotes. Otherwise, IBM's make program treats the '#' as the
3051 start of a comment and ignores the remainder of the line.
3053 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
3055 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
3056 * cexp.y (initialize_random_junk): Likewise.
3057 * cppfiles.c (find_include_file): Cast alloca return value.
3058 * cppinit.c (initialize_standard_includes): Likewise.
3059 * cpplib.c (cpp_define, cpp_undef): Likewise.
3060 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
3061 * final.c (output_asm_insn): Allow for holes in EBCDIC.
3062 * fold-const.c (CHARMASK): New.
3063 (real_hex_to_f): Use it.
3064 * real.c (CHARMASK): New.
3065 (etoasc, asctoeg): Use it.
3066 (asctoeg): EBCDIC lower case characters preceed upper case.
3068 * i370.c (mvs_add_label): Change spacing for coding conventions.
3069 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
3070 outputing case vectors.
3071 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
3072 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
3073 since vector in in the data CSECT.
3074 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
3075 * i370.md (Many patterns): Put the length in the XL directives.
3076 (movdi): Put back STM and MVC in definition.
3077 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
3078 pattern using the TCA.
3079 * oe.h (CPP_SPEC): Added to allow trigraphs.
3080 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
3081 not support the "long long" type.
3083 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3085 * config/mips/mips-protos.h (mips_legitimate_address_p): New
3087 (mips_reg_mode_ok_for_base_p): Likewise.
3088 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
3089 (REG_OK_FOR_INDEX_P): Define unconditionally.
3090 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
3091 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
3092 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
3093 that GET_MODE_SIZE is unsigned.
3094 (mips_reg_mode_ok_for_base_p): Define.
3095 (mips_legitimate_address_p): Likewise. Adjust now
3096 that GET_MODE_SIZE is unsigned.
3097 (block_move_loop): Make the number of bytes unsigned.
3098 (expand_block_move): Likewise.
3099 (function_arg): Make the loop counter unsigned to match the
3102 2000-04-16 Richard Henderson <rth@cygnus.com>
3104 * rtl.h (enum insn_note): New enumeration. Subsume
3105 NOTE_INSN_DELETED and friends.
3106 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
3107 * rtl.c (note_insn_name): Tweak string order.
3109 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
3111 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
3114 * cpplex.c (output_line_command): Remove debugging prints.
3115 (cpp_output_tokens): Don't write out a zero-length buffer or
3116 try to see if it has a newline in it.
3117 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
3118 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
3119 the end of the loop. Use memmove. Don't read past the end of
3120 the buffer. Remove trailing newlines from error messages.
3122 2004-04-16 Neil Booth <NeilB@earthling.net>
3124 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
3125 * cpplib.c: Add new syntax flags to directive table, and
3128 2000-04-15 Ulrich Drepper <drepper@redhat.com>
3130 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
3133 2000-04-15 David Edelsohn <edelsohn@gnu.org>
3135 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
3136 * haifa-sched.c: Update -fsched-verbose comments to use "=".
3138 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3140 * Makefile.in (ggc-page.o): Now includes toplev.h.
3141 * ggc-page.c (toplev.h): Now included.
3142 (gc_time): Remove declaration.
3143 (ggc_collect): TIME now long.
3144 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
3146 * toplev.h (gc_time, parse_time, gc_time): New declarations.
3148 * toplev.c: Make *_time variable long to reduce chance of overflow.
3149 (TIMEVAR): Likewise for `otime'.
3150 (print_time): Arg is now long; compute percentage in FP and round.
3151 * toplev.h (print_time): Arg is long.
3153 * tree.c: Minor whitespace changes.
3155 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
3156 * configure: Rebuilt.
3157 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
3158 (__fixunsxfDI): Renamed from __fixunsxfdi.
3159 (__fixunsdfDI): Renamed from __fixunsdfdi.
3160 (__fixunssfDI): Renamed from __fixunssfdi.
3161 (__floatdisf): Use proper type in REP_BIT macro.
3162 (__fixunsxfSI): Renamed from __fixunsxfsi.
3163 (__fixunsdfSI): Renamed from __fixunsdfsi.
3164 (__fixunssfSI): Renamed from __fixunssfsi.
3165 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
3166 Change location of macros and upper-case some names as above.
3167 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
3168 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
3170 * varasm.c (assemble_variable): Add cast to remove warning.
3171 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
3173 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
3174 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
3175 region number to -1.
3177 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
3179 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
3180 call unshare_all_rtl.
3182 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
3184 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
3186 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
3187 Use .s1 not .s0 for all FP instructions.
3189 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
3191 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
3193 (safe_fwrite, output_line_command): New static functions.
3194 (cpp_expand_to_buffer): Now private to cpplib.
3195 (cpp_scan_buffer): Take a printer.
3197 * cpphash.h: Update prototypes.
3198 * cpplib.h: Update prototypes.
3200 (cpp_buffer): Remove last_nominal_fname.
3201 (cpp_reader): Remove lineno.
3203 * cppmain.c: Use a cpp_printer.
3204 * fix-header.c: No need to inhibit line commands. Call
3205 cpp_start_read with no printer.
3207 * cpperror.c (cpp_notice_from_errno): Provide default name.
3208 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
3209 (find_include_file, cpp_read_file): Use make_IHASH.
3210 (file_cleanup): Set control_macro and clear
3211 input_stack_listing_current here.
3212 (_cpp_execute_include): Don't output entering-file marker.
3213 * cpphash.c (special_symbol): Look for the line number in the
3214 buffer, not the reader.
3215 (_cpp_macroexpand): No need to disable line commands.
3216 (_cpp_dump_definition): No need to generate line commands.
3217 (dump_hash_helper): Remove excess newline from output.
3218 * cppinit.c (dump_special_to_buffer): No need to generate line
3220 (cpp_printer_init): New.
3221 (cpp_start_read): Take a printer, and start it up if it's not
3222 NULL. No need to generate line commands.
3223 (cpp_finish): Expect no buffers stacked at all. Take a
3224 printer argument, and flush the output buffer if it's not
3226 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
3227 Don't put two hashes at the beginning of an assertion.
3228 (cpp_get_token): Don't increment pfile->lineno or emit line
3229 commands here. Return EOF if there's no buffer when we get
3231 * cpplib.c (do_define, skip_if_group):
3232 No need to disable line commands.
3233 (_cpp_output_line_command): Delete function.
3234 (do_line): Don't emit line commands here, but set things up so
3235 they will be emitted if necessary. Use _cpp_fake_ihash to
3236 make unique nominal_fnames if necessary.
3237 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
3238 with 0 for column, not -1.
3239 (_cpp_handle_eof): Don't set the control macro here. Don't
3240 clear input_stack_listing_current here. Don't emit line
3243 2000-04-14 Geoff Keating <geoffk@cygnus.com>
3245 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
3246 always, use the default SVR4 start address.
3248 * config/rs6000/linux.h (LINK_SPEC): Don't define.
3249 (LINK_SHLIB_SPEC): Define.
3250 (LINK_START_DEFAULT_SPEC): Define.
3251 (LINK_OS_DEFAULT_SPEC): Define.
3253 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
3255 * config/rs6000/eabi.asm (__eabi): Call __init rather than
3256 __do_global_ctors to handle constructors.
3257 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
3258 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
3259 (STARTFILE_MVME_SPEC): Likewise.
3260 (STARTFILE_SIM_SPEC): Likewise.
3261 (ENDFILE_ADS_SPEC): Use crtend.
3262 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
3263 (ENDFILE_MVME_SPEC): Likewise.
3264 (ENDFILE_SIM_SPEC): Likewise.
3265 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
3266 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
3267 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
3268 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
3269 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
3270 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
3271 (CRTSTUFF_T_CFLAGS_S): Define.
3272 * config/rs6000/eabi-ctors.c: Delete.
3274 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
3277 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
3281 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
3283 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
3284 plus mask size is smaller or equal to the mode size.
3286 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3288 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
3291 * expr.c (reload.h): Now included.
3292 (emit_block_move): Set volatile_ok when checking for movstr.
3293 (emit_move_1): Check for replacements in addresses in multi-word case.
3294 * Makefile.in (expr.o): Now includes reload.h.
3296 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
3297 Never have a LIBCALL end a basic block.
3298 (find_basic_blocks_1): Likewise.
3299 Reorganize CALL_INSN cases.
3301 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
3303 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
3305 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
3306 completers from mov.ret instruction.
3308 2000-04-14 Richard Henderson <rth@cygnus.com>
3310 * fold-const.c (extract_muldiv): Don't distribute and widen
3311 multiply across plus for non-sizetype unsigned types.
3313 2000-04-14 Richard Henderson <rth@cygnus.com>
3315 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
3316 If the original source is dead in the incr insn, it's dead now.
3318 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3320 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
3321 see if DECL_BIT_FIELD needs to still be set.
3323 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
3325 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
3326 print_int_cst_octal with something that's not an INTEGER_CST.
3328 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
3329 and not a SUBREG to a FLOAT rtl.
3331 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
3333 * emit-rtl.c (try_split): Avoid infinite loop if the split
3334 results in a sequence that contains the original insn.
3336 2000-04-13 Andreas Jaeger <aj@suse.de>
3338 * config/mips/mips.c (expand_block_move): Pass alignment
3339 argument to move_by_pieces in bits, not bytes.
3341 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
3342 __pic__ for little endian.
3344 2000-04-13 Andreas Jaeger <aj@suse.de>
3346 * config/i386/i386-protos.h: Add prototype for
3347 uno_comparison_operator.
3349 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3351 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
3352 * calls.c (ECF_PURE): New flag.
3353 (emit_call_1): Handle ECF_PURE calls.
3354 (initialize_argument_information): Unset ECF_PURE flag too.
3355 (precompute_arguments): Precompute for ECF_PURE too.
3356 (expand_call): Handle ECF_PURE calls too.
3357 (emit_library_call_value_1): Rename no_queue argument to fn_type,
3358 accept value of 2 as pure function.
3359 (emit_library_call_value, emit_library_call): Rename no_queue argument
3361 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
3363 * tree.h (DECL_IS_PURE): New macro.
3364 (struct tree_decl): Add pure_flag.
3365 * c-common.c (enum attrs): Add attribute "pure".
3366 (init_attributes): Initialize attribute "pure"
3367 (decl_attributes): Handle attribute "pure".
3368 * extend.texi (Attribute "pure"): Document.
3369 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
3371 (flags_from_decl_or_type): Support attribute "pure".
3373 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
3375 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
3376 the token except for numbers and identifiers.
3378 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
3380 * i386.c (ix86_expand_binary_operator,
3381 ix86_expand_unary_operator): Check no_new_pseudos
3382 instead of reload_in_progress and reload_completed.
3383 (ix86_split_ashldi, ix86_split_ashrdi,
3384 ix86_split_lshrdi): Check no_new_pseudos instead
3385 of reload_completed.
3387 2000-04-12 Jeffrey A Law (law@cygnus.com)
3389 * function.c (purge_addressof): Unshare any shared rtl created by
3390 purge_addressof and its children.
3392 2000-04-12 Mark Mitchell <mark@codesourcery.com>
3394 * function.c (aggregate_value_p): VOID_TYPE nodes are never
3397 2000-04-05 Andreas Jaeger <aj@suse.de>
3399 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
3400 not compiling PIC code, add flags for mabi=64.
3401 (SUBTARGET_CPP_SIZE_SPEC): New.
3402 (SUBTARGET_CPP_SPEC): New.
3403 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
3404 for MIPS/Linux and lots of code needs these defines.
3406 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
3408 * reorg.c (fill_slots_from_thread): Check side_effects_p when
3409 trying the "opposite arithmetic" approach.
3411 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3413 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
3414 (struct sh_args): Add new field force_mem.
3415 (INIT_CUMULATIVE_ARGS): Initialize it.
3416 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
3418 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3420 * calls.c (expand_call): Do not reverse args in "equal from" field.
3421 (emit_library_call_value_1): Emit_libcall_block for const and pure
3424 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3426 * reload1.c (reload_combine): Don't enable optimization for fixed
3427 registers when encountering a BARRIER.
3429 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3431 * builtins.c (expand_builtin_memcmp): Do expansion even with
3432 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
3434 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
3435 stack is propertly aligned; add sanity checking for aligned
3437 (expand_library_call_value_1): Add sanity checking for aligned
3440 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
3442 * calls.c (emit_library_call_value_1): Change 3rd arg to
3443 locate_and_pad_parm to disregard the setting of partial.
3445 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3447 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
3449 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
3450 CALL_INSN from the normal case.
3452 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
3454 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3455 New global variables.
3456 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
3458 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3460 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
3461 TARGET_ADD_ESP_8): New macros.
3462 * i386.md: Add peep2s to convert esp adjustments to push and pop
3464 (pushsi_prologue, popsi_epilogue): New patterns.
3466 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3468 * real.c (toe64): Remove stale #endif from the last change.
3470 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
3472 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
3473 * real.c (toe64): Revert previous change.
3475 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3477 * objc/objc-act.c: Include ggc.h.
3478 (objc_tree_index, objc_global_trees): Convert most of the
3479 static tree variables into a static array with previous names
3481 (objc_ellipsis_node): New variable.
3482 (lang_init): Call objc_act_parse_init and c_parse_init.
3483 Create objc_ellipsis_node.
3484 (build_selector_translation_table): Use objc_ellipsis_node instead
3486 (hack_method_prototype): Likewise.
3487 (get_arg_type_list): Likewise.
3488 (start_method_def): Likewise.
3489 (continue_method_def): Likewise.
3490 (gen_method_decl): Likewise.
3491 (ggc_mark_imp_list): New function.
3492 (ggc_mark_hash_table): New function.
3493 (objc_act_parse_init): New function.
3494 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
3495 * c-parse.in (c_parse_init): For objc add roots of objc specific
3496 local tree variables.
3497 * objc/objc-parse.y: Rebuilt.
3498 * objc/objc-parse.c: Rebuilt.
3499 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
3501 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
3503 * cse.c (delete_trivially_dead_insns): Also delete insns
3504 that copy a register to itself where the destination is
3507 2000-04-11 Richard Henderson <rth@cygnus.com>
3509 * flow.c (struct propagate_block_info): Add new_dead, new_live.
3510 (propagate_block): Initialize them. Use them in parallel instead
3511 of one tmp variable, ie revert much of the 0408 and 0407 functional
3512 changes, but keep the structural changes.
3513 (mark_set_regs): Take new_dead from propagate_block_info instead.
3514 (mark_set_1, mark_set_reg): Likewise.
3515 (mark_used_regs): Likewise with new_live.
3516 (mark_used_reg): Likewise. Revert 0408 change.
3518 2000-04-11 Nick Clifton <nickc@cygnus.com>
3520 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
3522 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
3524 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3526 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
3527 const section to output a CONSTRUCTOR based on the same conditions
3530 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
3532 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
3533 * pa/pa-protos.h (output_call): Add additional argument indicating
3534 if the call is a sibling/tail call.
3535 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
3536 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
3537 (function_arg, function_arg_partial_nregs): Likewise
3538 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
3539 (emit_move_sequence): Zero extend certain constants as needed
3541 (compute_zdepdi_operands, output_64bit_and): New functions.
3542 (output_64bit_ior, function_arg): Likewise.
3543 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
3544 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
3545 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
3546 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
3547 (output_bvb): Likewise.
3548 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
3549 (output_call): New argument 'sibcall'. Generate sibcall sequences
3551 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
3552 (ouput_arg_descriptor): Do not emit argument descriptors for
3554 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
3556 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
3557 (FUNCTION_OK_FOR_SIBALL): Define.
3558 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
3559 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
3560 (CPP_SPEC): Use new spec infrastructure.
3561 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
3562 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
3563 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
3564 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
3565 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
3566 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
3567 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
3568 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
3569 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
3570 (FUNCTION_ARG); Call out to C code.
3571 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
3572 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
3573 (MIN_UNITS_PER_WORD): Likewise.
3574 * pa/pa.md (cmpdi): New expander.
3575 (scc patterns, movstrsi): Not available for TARGET_64BIT.
3576 (64bit conditional arithmetic): New patterns.
3577 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
3578 (movsicc): Not available if modes on all the operands to not match.
3579 (movdicc): New expander and associated patterns.
3580 (64bit branches): New patterns.
3581 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
3582 (pre_ldd, post_std): New patterns.
3583 (64bit addil, load low part): New patterns.
3584 (special movsf constant): Not available for TARGET_64BIT.
3585 (movsf, movdf expanders): Force constants into memory.
3586 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
3587 (64bit movdf/movdi patterns): New patterns.
3588 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
3590 (extendqidi2, extendhidi2, extendsidi2): Similarly.
3591 (adddi3 expander): Allow "arith_operand" for second input.
3592 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
3593 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
3594 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
3595 (muldi3): New expander for TARGET_64BIT.
3596 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
3598 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
3599 patterns for TARGET_64BIT.
3600 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
3601 patterns for TARGET_64BIT.
3602 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
3603 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
3604 (sibcall_epilogue): New expander.
3605 (casesi): Tweak for TARGET_64BIT.
3606 (call expanders): Set & use the outgoing argument pointer. Use the
3607 64bit call patterns as needed. Add additional arg to output_call.
3608 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
3609 (sibcall, sibcall_internal_symref): New expanders.
3610 (sibcall_value, sibcall_value_internal_symref
3611 (interspace_jump): Turn into an expander + matching patterns.
3612 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
3613 * pa/pa64-regs.h: Eliminate trigraph sequences.
3614 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
3616 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
3618 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
3619 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
3620 cpp_token with cpp_ttype everywhere.
3621 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
3622 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
3623 CPP_BUF_COL. Line and column numbers are unsigned int, not
3625 * cpplex.c (cpp_buf_line_and_col): Delete.
3626 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
3627 'long lineno' to 'unsigned int lineno'.
3628 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
3630 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3632 * extend.texi: ISO C99 is not a draft anymore.
3633 * invoke.texi: ISO C++ is not a draft anymore.
3634 * cpp.texi: __cplusplus is required by the ISO standard.
3636 * extend.texi (-fthis-is-variable): Undocument.
3637 * flags.h (warn_template_debugging): Remove declaration.
3638 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
3639 -Wenum-clash, -Wtemplate-debugging): Undocument.
3641 2000-04-10 Nick Clifton <nickc@cygnus.com>
3643 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
3645 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
3647 (ARM_SIGN_EXTEND): Use HOST_UINT.
3648 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
3649 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
3650 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
3651 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
3653 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
3654 (arm_gen_constant): Use HOST_UINT.
3655 (arm_canonicalize_constant): Use HOST_UINT.
3656 (arm_reload_in_hi): Use HOST_UINT.
3657 (arm_reload_out_hi): Use HOST_UINT.
3658 (output_multi_immediate): Use HOST_UINT.
3659 (int_log2): Use HOST_UINT.
3660 (arm_poke_function_name): Use HOST_UINT.
3661 (arm_output_epilogue): Use arm_volatile_func().
3662 (output_thumb_prologue): Use arm_strip_name_encoding().
3664 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3666 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
3667 of sequence point problems.
3669 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
3671 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
3673 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
3675 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3677 * sbitmap.h: Whitespace changes and use upper-case macro args.
3678 (struct simple_bitmap_def): All sizes now unsigned.
3679 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
3680 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
3681 (sbitmap_vector_alloc): Parms and local vars now unsigned.
3682 (sbitmap_zero): Cast bzero arg to PTR.
3683 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
3684 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
3685 loop to make structure clearer.
3686 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
3687 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
3688 (sbitmap_a_and_b_or_c): Likewise.
3689 (sbitmap_intersection_of_succs): Minor cleanups.
3690 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
3691 (sbitmap_union_of_preds): Likewise.
3692 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
3693 (debug_sbitmap): New function.
3695 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
3696 * c-typeck.c (convert_for_assignment): Likewise.
3698 * expmed.c (init_expmed): Don't free objects we make.
3699 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
3701 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
3702 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
3704 * gcse.c (expr_hash_table_size): Now unsigned.
3705 (compute_ae_gen): Local variable `i' now unsigned.
3706 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
3707 (compute_transout, hoist_code): Likewise.
3708 (compute_local_properties): Likewise, also hash_table_size.
3709 (alloc_expr_hash_table): N_INSNS now unsigned.
3710 (delete_null_pointer_checks): Mark arg F as unused.
3712 * regrename.c: Minor cleanups, including chang some variables
3715 2000-04-10 Neil Booth <NeilB@earthling.net>
3717 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
3719 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
3721 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3723 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
3724 __classof__, and __headof__ from the list of gnu keywords.
3725 (-ansi): Remove -foperator-names from list of implied options.
3726 Do not call it ANSI C++.
3727 (-foperator-names): Document as -fno-operator-names.
3729 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
3731 * cpphash.c (timestamp): Delete.
3732 (del_HASHNODE): If type is T_MCONST, free value.cpval.
3733 (special_symbol): Remove unnecessary braces. Remove
3734 T_VERSION. Treat T_STDC like T_CONST unless
3735 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
3736 when one is encountered, then convert them into T_MCONST
3738 * cppinit.c (builtin_array): version_string is T_MCONST.
3739 __STDC__ has a "1" in its cpval. Don't have a terminator
3740 entry. Clean up which entries are dumped.
3741 (initialize_builtins): Only __STDC__ gets the special
3742 -traditional treatment. Count the length of builtin_array.
3743 Render version_string here.
3744 * cpphash.h: Remove T_VERSION. Add T_MCONST.
3745 * cpplib.h (struct cpp_reader): Remove timebuf.
3747 2000-04-09 Richard Henderson <rth@cygnus.com>
3749 * genrecog.c (pred): Update comparison_operator for the unordered
3752 * config/i386/i386.c (no_comparison_operator): Disallow unordered
3754 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
3755 (uno_comparison_operator): New.
3756 (put_condition_code): Handle UNORDERED/ORDERED.
3757 (unsigned_comparison): Likewise.
3758 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
3759 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
3760 (ix86_expand_fp_compare): Use them. Take scratch as argument,
3761 update all callers. Handle all 8 unordered operators.
3762 (ix86_expand_setcc): Lose the unordered argument, update all callers.
3763 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
3764 * config/i386/i386.h (PREDICATE_CODES): Update.
3765 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
3766 (ix86_expand_branch, ix86_expand_setcc): Update.
3767 * config/i386/i386.md (sunordered, sordered): New.
3768 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
3769 (bunordered, bordered): New.
3770 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
3771 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
3772 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
3774 2000-04-09 Philip Blundell <philb@gnu.org>
3776 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
3778 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
3780 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
3781 fix_truncxfhi2): New patterns.
3782 * i386.c (output_fix_trunc): Handle converting to HImode.
3784 2000-04-08 Alex Samuel <samuel@codesourcery.com>
3786 * ssa.c (convert_to_ssa): Eliminate dead code when calling
3788 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
3789 (for_each_successor_phi): Change parameter to basic_block.
3790 (coalesce_regs_in_successor_phi_nodes): Likewise.
3791 (coalesce_regs_in_copies): Likewise.
3792 (compute_coalesced_reg_partition): Use basic_block instead of index.
3793 * rtl.h (convert_to_ssa): Delete.
3794 (convert_from_ssa): Likewise.
3795 (successor_phi_fn): Likewise.
3796 (for_each_successor_phi): Likewise.
3797 (in_ssa_form): Likewise.
3798 * basic-block.h (convert_to_ssa): Moved from rtl.h.
3799 (convert_from_ssa): Likewise.
3800 (successor_phi_fn): Likewise.
3801 (in_ssa_form): Likewise.
3802 (for_each_successor_phi): Likewise. Change parameter to basic_block.
3803 * flow.c (calculate_global_regs_live): Pass a basic_block to
3804 for_each_successor_phi.
3806 2000-04-08 Richard Henderson <rth@cygnus.com>
3808 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
3809 was modified in the current insn.
3811 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
3813 * arm/thumb.md: Delete.
3814 * arm/thumb-protos.h: Delete.
3816 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
3818 Merge changes from merged-arm-thumb-backend-branch onto trunk.
3820 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
3822 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
3825 * arm.md (nop): Use the standard RTL expression. Don't code as a
3827 (*arm_nop, *thumb_nop): Delete.
3829 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
3830 constants. Use casts instead.
3831 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
3832 output_multi_immediate, arm_poke_function_name): Likewise.
3833 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
3834 MASK_RETURN_ADDDR): Likewise.
3836 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
3838 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
3841 * arm.md (eh_epilogue): New function.
3842 * arm.h (struct machine_function): Move to here ...
3843 * arm.c: ... from here.
3844 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
3845 (thumb_exit): Extra parameter eh_ofs. All callers changed.
3846 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
3848 2000-03-30 Nick Clifton <nickc@cygnus.com>
3850 * config/arm/semi.h (ASM_SPEC): Restore definition.
3851 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
3853 * config/arm/elf.h (ASM_SPEC): Restore definition.
3854 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
3856 * config/arm/arm.h (ASM_SPEC): Remove definition.
3857 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
3859 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3861 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
3863 2000-03-24 Nick Clifton <nickc@cygnus.com>
3865 Various formating tidyups, elimination of compile time
3866 warnings and synchronisation with internal sources:
3868 * config/arm/arm-protos.h (assemble_align): Add prototype.
3869 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
3870 (gen_comapre_reg): Rename to arm_gen_compare_reg.
3871 (arm_return_addr_rtx): Rename to arm_return_addr.
3873 * config/arm/arm.c: Include except.h.
3874 Define shorter typenames for strict minipool_node and struct
3876 (arm_return_in_memory): For WinCE return all structures <= 32 bits
3878 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
3879 (gen_comapre_reg): Rename to arm_gen_compare_reg.
3881 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3883 (ASM_SPEC): Define if not already defined.
3884 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
3886 * config/arm/arm.md: Rename references to gen_rotated_half_load to
3887 arm_gen_rotated_half_load, and references to gen_comapre_reg to
3888 arm_gen_compare_reg.
3889 (indirect_jump): Only accept register operands.
3890 (load_indirect_jump): Keep this pattern since combine can generate
3893 * config/arm/coff.h: Include aout.h.
3894 (MULTILIB_DEFAULTS): Only define if not already defined.
3896 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
3897 into arm.h (so that COFF ports can support thumb based aliases).
3898 (ASM_SPEC): Move definition into arm.h
3900 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
3901 redundant apcs spec.
3902 (ASM_SPEC): Move definition to arm.h
3904 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
3906 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
3907 for entries in the .bss section
3909 2000-03-23 Nick Clifton <nickc@cygnus.com>
3911 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
3912 to thumb_far_jump_used_p.
3914 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
3915 single integer parameter.
3917 * config/arm/arm.c (struct machine_function): Add two new
3918 fields, 'far_jump_used' and 'arg_pointer_live'.
3919 (thumb_far_jump_used_p): Once the decision has been made that
3920 far jumps might be used, always return true.
3921 If being called from the initial elimination offset macro then
3922 do not bother to perform the test if the arg pointer is not
3924 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
3925 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
3927 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
3929 * arm.c (output_return_instruction): Handle more cases where we can
3930 return from a function with an ldr instruction.
3931 (arm_output_epilogue): Likewise.
3933 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
3934 if we need to push a large stack frame and there are no callee-saved
3937 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
3938 in ARM code if the frame pointer has been eliminated.
3940 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
3941 unspec_volatile arguments to avoid duplicates.
3942 (consttable_1, consttable_2): Fixes for big-endian mode.
3944 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
3947 Re-write constant pool code.
3948 * arm.c (minipool_node, minipool_fix): New types.
3949 (minifix): Delete type.
3950 (arm_add_minipool_constant): Delete.
3951 (arm_compute_minipool_offsets, arm_find_barrier,
3952 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
3953 (get_jump_table_size): Now returns HOST_WIDE_INT.
3954 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
3956 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
3957 (assign_minipool_offsets, arm_print_value): Likewise.
3958 (dump_minipool): Rewrite.
3959 (arm_barrier_cost): New function.
3960 (create_fix_barrier): New function.
3961 (push_minipool_barrier): New function.
3962 (push_minipool_fix): Record additional information about the fixup
3964 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
3965 check the mode of what needs fixing.
3966 (arm_reorg): Rewrite.
3968 2000-03-08 Nick Clifton <nickc@cygnus.com>
3970 * config/arm/arm.md (indirect_jump): Force constant addresses into
3973 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
3975 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
3977 2000-02-24 Nick Clifton <nickc@cygnus.com>
3979 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
3980 adjust is word aligned.
3981 (thumb_expand_epilogue): Make sure that stack adjust is word
3984 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
3986 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
3988 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
3989 pointer relative addresses.
3991 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
3993 * arm.c (find_barrier): Find the last barrier within the allowed
3996 2000-02-09 Nick Clifton <nickc@cygnus.com>
3998 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
4000 2000-02-09 Nick Clifton <nickc@cygnus.com>
4002 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
4003 ARM_FUNCTION_PROFILER.
4005 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
4006 ARM_FUNCTION_PROFILER.
4008 * config/arm/linux-oldld.h: Imported from mainline sources.
4010 2000-02-07 Nick Clifton <nickc@cygnus.com>
4012 * config/arm/lib1funcs.asm: Merge in thumb functions from
4015 * config/arm/lib1thumb.asm: Delete.
4017 2000-02-04 Nick Clifton <nickc@cygnus.com>
4019 * config/arm/arm.c: Sychronised with current Red hat local
4021 * config/arm/arm.h: Ditto.
4022 * config/arm/arm-protos.h: Ditto.
4024 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
4026 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
4028 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
4031 2000-02-02 Nick Clifton <nickc@cygnus.com>
4033 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
4035 * config/arm/arm.md (epilogue): Fix rtl checking abort because
4036 (return) was emited using an emit_insn() call.
4038 2000-01-31 Nick Clifton <nickc@cygnus.com>
4040 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
4042 (thumb_exit): Move frame pointer back into hard frame pointer
4043 register if backtracing is being used.
4045 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
4047 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
4050 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
4052 * config/arm/arm.md (neg_pool_offset): Provide default for new
4054 (arm_movsi_insn): Add neg_pool_offset attribute.
4055 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
4056 rtx for the insn that starts the scan and an unsigned long for its
4057 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
4058 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
4059 instructions in *PINSERTED.
4060 (struct minipool_fixup): Add MIN_ADDRESS elt.
4061 (sort_fixups): Compute it.
4062 (arm_reorg): Changes to support inserting pools before the insn to be
4065 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4067 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
4068 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
4069 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
4071 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
4073 * config/arm/semi.h (TARGET_VERSION): Do not define if already
4075 (TARGET_DEFAULT): Do not define if already defined.
4077 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
4079 * config/arm/arm.md (anddi3): Allow disjoint source operands.
4080 (iordi3): Allow disjoint source operands.
4081 (xordi3): Allow disjoint source operands.
4082 (negdi2): Permit construction for ARM and Thumb.
4083 (arm_negdi2): Renamed version of old negdi2 pattern.
4084 (thumb_negdi2): New pattern: Only permit non-overlapping
4085 source and destination.
4087 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
4089 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
4090 scratch low register so that it will not be deleted.
4092 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
4094 * config/arm/pe.h (ARM_PE): Define.
4096 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
4097 interfacearm attribute if this is a PE toolchain.
4098 (output_return_instruction): Do not emit anything if the function
4099 has the naked attribute set.
4100 (is_called_in_ARM_mode): If the function has the interfacearm
4101 attribute then return true.
4102 (thumb_expand_prologue): Do not generate a prologue for naked
4104 (thumb_expand_epilogue): Do not generate an epilogie for a naked
4106 (output_thumb_prologue): Do not bother if the function is naked.
4107 Strip PE encoding from function name before emitting.
4109 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
4111 * arm.md (pic_load_addr): Fix constraints.
4113 * arm.md (casesi_insn): Fix mis-applied patch.
4115 * arm.md ("core" function unit): Add rules for single- and
4117 (All TARGET_THUMB patterns): Add "type" attribute information
4119 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
4120 the following insn is a CALL.
4122 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
4124 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
4125 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
4126 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
4128 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
4130 * config/arm/linux-gas.h: oops - this file was missed out when the
4131 branch was created...
4133 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
4135 * thumb.c: Deleted. Move contents to ...
4137 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
4139 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
4142 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
4143 declare a prototype for asm_output_align();
4145 * arm.c (thumb_condition_code): Delete.
4146 (arm_print_operand): Always use arm_condition_code array.
4148 * arm.c (thumb_return_addr_rtx): Delete.
4149 (arm_save_machine_status, arm_restore_machine_status): Delete.
4150 (arm_init_machine_status, arm_mark_machine_status): New functions.
4151 (arm_init_expanders): Update accordingly.
4152 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
4153 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
4154 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
4156 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
4158 * configure.in : Fix arm-*-aout target to use new t-arm-aout
4160 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
4163 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
4165 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
4166 stack backtrace structure.
4168 * config/arm/arm-protos.h: Add prototypes for functions defined in
4171 * config/arm/arm.c (arm_override_options): Fix selection of
4172 attributes of default processor.
4174 * config/arm/coff.h: Delete needless #include.
4176 * config/arm/pe.c: Delete unused code.
4178 * config/arm/pe.h (CPP_DEFINES): Delete
4179 (SUBTARGET_CPP_SPEC): Define.
4180 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
4182 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
4184 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
4186 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
4188 (CAN_DEBUG_WITHOUT_FP): Define.
4189 (FIXED_REGISTERS): Make r11 call-saved.
4190 (CALL_USED_REGISTERS): Likewise.
4191 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
4192 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
4193 frame-pointer is required.
4194 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
4195 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
4196 if the target normally needs a stack frame in non-leaf functions.
4197 (use_return_insn): Correct logic for determining when a return
4198 instruction can be used.
4199 (output_return_instruction): Handle the frame-pointer register as
4200 a normal register when not TARGET_APCS_FRAME.
4201 (arm_output_prologue): Likewise.
4202 (arm_output_epilogue): Likewise.
4203 (output_func_epilogue): Likewise.
4204 (arm_expand_prologue): Likewise.
4205 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
4207 * arm.c (use_return_insn): No need to check floating point regs if
4209 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
4210 the code of value stored in the minipool array.
4211 (arm_add_minipool_constant): Likewise.
4213 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4215 * basic-block.h (conflict_graph_enum_fn): K&R fix.
4217 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4219 * tree.c (tree_expr_nonnegative_p): New function.
4221 * tree.h (tree_expr_nonnegative_p): Declare.
4223 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
4224 elide some sign_compare warnings.
4225 (build_conditional_expr): Likewise.
4227 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
4229 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
4231 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
4232 * i386.c (print_operand): Use the proper suffix for a 387 HImode
4233 operand. Abort if a 387 operand has an unsupported size.
4235 2000-04-08 Neil Booth <NeilB@earthling.net>
4237 * cppexp.c (parse_charconst): Null does not end character
4239 * cppinit.c (ISTABLE): Null character handled as whitespace.
4240 * cpplex.c (null_warning): new function.
4241 (skip_string): Emit warning if nulls encountered.
4242 (_cpp_skip_hspace): Emit warning if nulls encountered.
4243 (_cpp_lex_token): Emit warning if nulls encountered. Drop
4247 2000-04-07 Richard Henderson <rth@cygnus.com>
4249 * flow.c (loop_depth): Remove.
4250 (reg_next_use, cc0_live, mem_set_list): Replace with ...
4251 (struct propagate_block_info): New.
4252 (life_analysis): Don't allocate reg_next_use.
4253 (propagate_block_delete_insn): Break out of propagate_block.
4254 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
4255 (propagate_block_delete_libcall): Likewise.
4256 (propagate_block): Create a propagate_block_info struct to pass
4257 to subroutines. Allocate one not two temporary regsets. Don't
4258 clobber memory for const calls. Look for clobbers in
4259 CALL_INSN_FUNCTION_USAGE.
4260 (mark_set_regs): Recognize COND_EXEC.
4261 (mark_set_reg): Break out of mark_set_1.
4262 (mark_used_reg): Break out of mark_used_regs.
4263 (mark_used_regs): Recognize COND_EXEC.
4264 (insn_dead_p): Use propagate_block_info struct.
4265 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
4266 (find_auto_inc, try_pre_increment_1): Likewise.
4267 (print_rtl_with_bb): Dump regs live at end too.
4268 (count_reg_sets_1): Pass in loop_depth.
4269 (count_reg_sets, count_reg_references): Likewise.
4270 (recompute_reg_usage): Provide it.
4272 2000-04-07 Richard Henderson <rth@cygnus.com>
4274 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
4277 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
4279 * cpplib.c (do_elif): Skip the rest of the line if we're
4280 not going to bother evaluating it.
4281 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
4282 to avoid pointless calls to the lexer.
4284 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
4286 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
4288 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
4290 * calls.c (expand_call): emit_queue if we're trying a sibcall.
4292 2000-04-07 Jakub Jelinek <jakub@redhat.com>
4294 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
4296 2000-04-06 Geoff Keating <geoffk@cygnus.com>
4298 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
4299 crtend so they can be multilibbed.
4300 (STAGESTUFF): Remove s-crt and s-crtS.
4302 2000-04-07 Richard Henderson <rth@cygnus.com>
4304 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
4305 if we discover we need a pseudo and no_new_pseudos is true.
4306 * config/alpha/alpha.md (ne:DI insn): New.
4307 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
4309 2000-04-07 Richard Henderson <rth@cygnus.com>
4311 * rtl.def (COND_EXEC): New.
4312 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
4313 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
4315 * genconfig.c (have_cond_arith_flag): Remove.
4316 (have_cond_exec_flag): New.
4317 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
4318 (main): Print HAVE_conditional_execution.
4320 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
4321 (sched_analyze_insn, print_pattern): Likewise.
4322 * reload.c (find_equiv_reg): Likewise.
4323 * rtlanal.c (reg_referenced_p): Likewise.
4324 (note_stores, dead_or_set_regno_p): Likewise.
4325 (reg_overlap_mentioned_p): Rewrite to use a switch.
4327 * ggc.h (struct rtx_def): Forward declare.
4329 * print-rtl.c (debug_rtx_range): New.
4330 * rtl.h (debug_rtx_range): Declare.
4332 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
4334 * gcse.c (gcse_main): Don't rebuild the CFG here.
4335 (delete_null_pointer_checks): Likewise.
4336 * ssa.c (convert_to_ssa): Likewise.
4337 * toplev.c (rest_of_compilation): Do it here instead. Combine
4338 sequential calls to TIMEVAR. Consistently use `insns' instead of
4339 `get_insns()'. Always split insns after reload when optimizing.
4341 * basic-block.h (merge_blocks_nomove): Declare.
4342 (tidy_fallthru_edge): Declare.
4343 * flow.c (merge_blocks_nomove): Document as merging into previous
4344 blocks. Remove cruft from between blocks; remove all edges out of A.
4345 (tidy_fallthru_edge): Export.
4347 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4349 * ssa.c (compute_conservative_reg_partition): Declare with
4351 * toplev.c (clean_dump_file): Remove previously-deleted function
4352 inadvertantly merged back in.
4353 * conflict.c (conflict_graph_add): Use a single call to
4354 htab_find_slot to look up and insert.
4356 2000-04-06 Richard Henderson <rth@cygnus.com>
4358 * genrecog.c (*): Rename _last_insn to last_insn.
4359 (make_insn_sequence): Set the position of the peephole2 C test
4360 to be at the last insn.
4362 2000-04-06 Richard Henderson <rth@cygnus.com>
4364 * flow.c (compute_flow_dominators): Free worklist.
4366 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
4368 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
4370 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4372 * rtl.h (INSN_P): New macro.
4373 (successor_phi_fn): New typedef.
4374 (for_each_successor_phi): New prototype.
4375 (in_ssa_form): New variable.
4376 (PHI_NODE_P): Likewise.
4377 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
4378 phi nodes in successors.
4379 (mark_used_regs): Add PHI case.
4380 (set_phi_alternative_reg): New function.
4381 (life_analysis): Assert that dead code elimination is not selected
4383 * toplev.c (to_ssa_time): New variable.
4384 (from_ssa_time): Likewise.
4385 (compile_file): Zero to_ssa_time and from_ssa_time.
4386 Print time to convert to and from SSA.
4387 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
4388 (print_time): Compute percent fraction as integer.
4389 * ssa.c (PHI_NODE_P): Moved to rtl.h.
4390 (convert_to_ssa): Check if we're already in SSA.
4391 Don't eliminate dead code in life_analysis.
4392 Rerun flow and life analysis at bottom.
4393 (eliminate_phi): Use canonical regnos when adding nodes.
4394 (mark_reg_in_phi): New function.
4395 (mark_phi_and_copy_regs): Likewise.
4396 (convert_from_ssa): Rerun life analysis at top.
4397 Use coalesced partition.
4398 Check for removing a phi node at the end of the block.
4399 (compute_coalesced_reg_partition): New function.
4400 (coalesce_regs_in_copies): Likewise.
4401 (coalesce_reg_in_phi): Likewise.
4402 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
4403 (for_each_successor_phi): Likewise.
4404 (rename_context): New struct.
4405 (rename_block): Use a rename_context with rename_insn_1. When
4406 renaming sets of a subreg, emit a copy of the entire reg first.
4407 (rename_insn_1): Treat data as a rename_context *. Save current
4409 (rename_set_data): Add field set_insn.
4410 * Makefile.in (HASHTAB_H): Move up in file.
4411 (OBSTACK_H): New macro.
4412 (collect2.o): Use OBSTACK_H in dependencies.
4413 (sdbout.o): Likewise.
4414 (emit-rtl.o): Likewise.
4415 (simplify-rtx.o): Likewise.
4416 (fix-header.o): Likewise.
4417 (OBJS): Add conflict.o.
4418 (conflict.o): New rule.
4419 * basic-block.h: Include partition.h.
4420 (conflict_graph): New typedef.
4421 (conflict_graph_enum_fn): Likewise.
4422 (conflict_graph_new): New prototype.
4423 (conflict_graph_delete): Likewise.
4424 (conflict_graph_add): Likewise.
4425 (conflict_graph_conflict_p): Likewise.
4426 (conflict_graph_enum): Likewise.
4427 (conflict_graph_merge_regs): Likewise.
4428 (conflict_graph_print): Likewise.
4429 (conflict_graph_compute): Likewise.
4430 * conflict.c: New file.
4432 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
4434 * tlink.c (read_repo_files): Don't look for .rpo info for
4437 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4439 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
4441 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4443 * config/sh/lib1funcs.asm (___udivsi3_i4):
4444 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
4445 only depends on FMOVD_WORKS.
4447 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4449 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
4450 make double constant 8-byte aligned.
4452 2000-04-06 Jakub Jelinek <jakub@redhat.com>
4454 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
4455 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
4456 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
4457 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
4458 Accept storing GENERAL_REGS into offsetable memory.
4459 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
4460 building a TFmode constant other than 0.0L into GENERAL_REGS.
4462 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
4464 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
4466 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
4468 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
4469 (macro_cleanup): No need to cast pbuf->macro.
4470 (collect_expansion): Use _cpp_get_define_token. Goto done if
4471 it returns VSPACE. Remove check for trailing space after
4473 (_cpp_create_definition): Don't diddle flags here. Return
4475 (unsafe_chars): Handle c1 being EOF.
4476 (push_macro_expansion): Use unsafe_chars for both accidental-paste
4477 checks. Don't push the buffer till after we're done with
4479 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
4480 (PEEKN, FORWARD, GETC, PEEKC): Use them.
4481 (cpp_push_buffer): Don't set new->alimit. Set new->mark
4483 (_cpp_parse_assertion): Don't NUL terminate.
4484 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
4485 hspace before calling _cpp_parse_assertion. Remove all sets
4486 of only_seen_white. Treat '\f' as hspace. Don't do anything
4487 special with '\n' here.
4488 (maybe_macroexpand): Handle T_EMPTY hash entries without
4489 pushing a buffer at all.
4490 (cpp_get_token): Handle clearing only_seen_white here. Handle
4491 incrementing the line number here. Clear
4492 potential_control_macro as well as only_seen_white, if
4494 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
4495 (_cpp_get_define_token): New function, basically like
4496 _cpp_get_directive_token was but doesn't eat horizontal space.
4497 Don't do anything with only_seen_white here.
4498 (_cpp_get_directive_token): Just call _cpp_get_define_token
4499 repeatedly till it returns non-hspace.
4501 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
4502 (conditional_skip, skip_if_group): Return int.
4503 (DIRECTIVE_TABLE): Change origin of all conditional directives
4505 (TRAD_DIRECT_P): New macro.
4506 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
4507 an error for a bogus directive, unless -lang-asm. Use
4508 TRAD_DIRECT_P. Loop calling handler functions till one returns
4510 (get_macro_name): Don't diddle flags here.
4511 (do_define): Diddle flags here. Use _cpp_get_directive_token.
4512 Create T_EMPTY nodes for #define macro /* nothing */.
4513 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
4514 Use hp->name when calling pass_thru_directive.
4515 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
4516 Return the result of conditional_skip and/or skip_if_group.
4517 Don't call _cpp_output_line_command.
4518 (consider_directive_while_skipping): Use _cpp_get_directive_token.
4519 Issue -Wtraditional warnings as appropriate. Don't complain
4520 about unrecognized directives. If we are to stop skipping,
4521 return the number of the directive that ended the skip.
4522 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
4523 expansion and line commands while skipping. Return the result
4524 of consider_directive_while_skipping, if nonzero.
4525 (do_endif): Just set potential_control_macro here.
4526 (validate_else): Use _cpp_get_directive_token.
4527 (do_assert, do_unassert): Don't save pointers into the
4528 token_buffer across calls to the lexer. Use
4529 _cpp_get_directive_token.
4531 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
4532 pointer, not an offset. Replace 'data', which was a generic
4533 pointer, with 'macro', which points to a struct hashnode.
4534 (cpp_reader): Add 'potential_control_macro' pointer.
4535 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
4536 (CPP_BUF_GET, CPP_FORWARD): Delete.
4537 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
4538 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
4539 ACTIVE_MARK_P): Update.
4540 (_cpp_get_define_token): New internal function.
4541 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
4543 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
4545 * configure.in: And here.
4546 * configure: Regenerate.
4547 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
4548 --enable-libstdcxx-v3 is passed at configure time.
4549 * config.h.in: Regenerate.
4551 2000-04-05 Mark Mitchell <mark@codesourcery.com>
4553 * final.c (final): Use xcalloc to allocate line_note_exists.
4554 * function.c (free_after_compilation): Free the temp_slots.
4555 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
4556 (combine_temp_slot): Free temp_slots when they get combined.
4557 (purge_addressof): Fix typo in comment.
4558 * stmt.c (mark_goto_fixup): Mark the fixup itself.
4559 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
4561 * ggc.h: Include varray.h.
4562 (ggc_pending_trees): Declare.
4563 (ggc_mark_tree_children): Remove declaration.
4564 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
4565 * ggc-common.c (ggc_pending_trees): New variable.
4566 (ggc_mark_roots): Call ggc_mark_trees.
4567 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
4568 the ggc_pending_trees.
4569 * Makefile.in (GGC_H): New variable. Use it throughout in place
4572 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4574 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
4577 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4579 * sh.c (sh_insn_length_adjustment): New function.
4580 * sh-protos.h (sh_insn_length_adjustment): Declare.
4581 * sh.h (ADJUST_INSN_LENGTH): Use it.
4583 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
4585 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
4586 from the insn where REG_RETVAL is added.
4587 (emit_no_conflict_block): Ditto.
4589 * md.texi (Standard Names): Clarify when movX is needed.
4591 * combine.c (simplify_comparison) [MINUS]: Do not replace
4592 all (op (minus A B) 0) with (op A B).
4594 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
4595 J"orn Rennecke <amylaar@cygnus.co.uk>
4597 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
4598 (block_lump_real): Likewise.
4600 2000-04-05 Chris Demetriou <cgd@netbsd.org>
4602 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
4603 remaining non-zero debugging masks.
4605 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
4607 * basic-block.h (verify_flow_info): Declare.
4608 (flow_loop_outside_edge_p): Declare.
4609 * flow.c (verify_flow_info): Remove declaration.
4610 (clear_log_links, flow_loop_outside_edge_p): Likewise.
4612 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
4614 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
4617 2000-04-05 Jakub Jelinek <jakub@redhat.com>
4619 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
4620 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
4621 seqdi_zero_trunc+1): Allow splits only if registers are
4624 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
4626 * acconfig.h: Add HAVE_GAS_HIDDEN.
4627 * config.in: Regenerated.
4628 * configure.in: Add test for .hidden pseudo-op in gas.
4629 * configure: Regenerated.
4630 * crtstuff.c: Include auto-host.h.
4631 Emit additional .hidden pseudo-op for __dso_handle if the
4632 assembler knows about it.
4634 2000-04-04 Philippe De Muyter <phdm@macqel.be>
4636 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
4637 before freeing argnames.
4638 * cpplib.c (do_ifndef): Cast return value of xstrdup.
4640 2000-04-05 Michael Meissner <meissner@redhat.com>
4642 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
4643 Walton <jonboy@gordian.com> to make memory references with update
4644 work wtih -mregnames.
4646 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4648 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
4649 (regrename_optimize): Rename variables `def_uses' and
4650 `ext_basic_blocks' to avoid conflicts with similarly named
4651 typedefs in traditional C.
4653 * calls.c (initialize_argument_information): Fix typo in previous
4656 2000-04-04 Richard Henderson <rth@cygnus.com>
4658 * regrename.c (consider_available): Test fixed_regs not
4659 PIC_OFFSET_TABLE_REGNUM.
4661 2000-04-04 Geoff Keating <geoffk@cygnus.com>
4663 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
4665 (CRTSTUFF_T_CFLAGS_S): Delete definition.
4666 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
4667 (ENDFILE_LINUX_SPEC): Always use crtend.
4668 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
4669 (powerpc-*-linux-gnu): Likewise.
4670 * configure: Regenerate.
4672 * config/rs6000/eabi.h: Don't include sysv4.h.
4673 (MULTILIB_DEFAULTS): Don't define.
4674 * config/rs6000/eabiaix.h: Don't include eabi.h.
4675 * config/rs6000/eabile.h: Delete.
4676 * config/rs6000/eabilesim.h: Delete.
4677 * config/rs6000/eabisim.h: Don't include eabi.h.
4678 * config/rs6000/linux.h: Don't include sysv4.h.
4679 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
4680 (MULTILIB_DEFAULTS): Don't redefine.
4681 * config/rs6000/rtems.h: Don't include eabi.h.
4682 * config/rs6000/sol2.h: Don't include sysv4le.h.
4683 * config/rs6000/sysv4le.h: Don't include sysv4.h.
4684 * config/rs6000/t-ppc: Delete.
4685 * config/rs6000/t-ppcgas: Correct comment.
4686 * config/rs6000/t-ppcos: Correct comment. Don't build
4687 multilibs for -fPIC, rather use -fPIC -mstrict-align
4689 * config/rs6000/t-ppc: Delete.
4690 * config/rs6000/vxppc.h: Don't include sysv4.h.
4691 * config/rs6000/vxppcle.h: Delete.
4692 * configure.in: Use multiple header files for p2pc ELF targets
4693 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
4694 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
4695 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
4696 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
4697 always available for these platforms.
4699 2000-04-04 Richard Henderson <rth@cygnus.com>
4701 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
4703 2000-04-04 Stan Cox <scox@cygnus.com>
4705 * Makefile.in: Add rules for regrename.o
4706 * regrename.c: New file.
4707 * rtl.h (regrename_optimize): Add prototype.
4708 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
4709 (compile_file, decode_d_option): Add support for -frename-registers.
4710 (rest_of_compilation): Call regrename_optimize.
4711 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
4714 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4716 * Makefile (gccbug): New target.
4717 (doc): Depend on it.
4718 * gcc.texi (Bugs): Link subnodes.
4720 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
4721 Document severities, priorities, and classes in bug form.
4723 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
4725 * cpplex.c (trigraph_map, speccase): Combine into single
4727 (NORMAL, NONTRI): New macros.
4728 (_cpp_read_and_prescan): Change to use unified table. Use
4729 is_hspace to test for whitespace.
4731 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
4732 definition that doesn't provoke the "empty body in an
4733 if-statement" warning.
4735 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
4737 * builtins.c (expand_builtin_strlen): Force the source to
4738 be a memory address.
4740 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4742 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
4744 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4746 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
4747 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
4748 (ECF_IS_CONST): Rename to ECF_CONST.
4749 (special_function_p): Make static, change interface.
4750 (flags_from_decl_or_type, try_to_integrate): Break out from ...
4751 (expand_call) ... here; convert number of variables to flags.
4752 (emit_library_call_vlue_1): Likewise.
4753 (setjmp_call_p): New function.
4754 (initialize_argument_information): Accepts flags as argument;
4756 (precompute_arguments): Likewise.
4757 * tree.h (special_function_p): Remove.
4758 (setjmp_call_p): Add prototype.
4760 2000-04-04 Jakub Jelinek <jakub@redhat.com>
4762 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
4763 so that addresses are offsetable by up to 16 bytes.
4764 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
4765 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
4768 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
4769 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
4770 (movsf): Don't force any constant to memory if target is integer
4772 Move fp_zero_operand check below the const0_rtx check.
4773 (movtf): Likewise. Also allow fp_zero_operand for stores into
4775 (movdf): Likewise. Also allow fp_zero_operand for stores into
4776 memory and into integer hard registers.
4777 (clear_df, clear_dfp, movdf_const_intreg_sp32,
4778 movdf_const_intreg_sp64): Remove.
4779 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
4781 (movdf_no_e_insn_v9_sp32): New pattern.
4782 (movdf_insn_v9only): Remove.
4783 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
4784 (movdf_insn_sp64): Remove.
4785 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
4786 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
4787 (following splits): Rewrite conditions. Add two new splits
4788 for storing 0.0 into memory and registers.
4789 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
4790 (movtf_insn_sp32): Redo constraints and conditions.
4791 (movtf_insn_vis_sp32): New pattern.
4792 (movtf_no_e_insn_sp32): Redo constraints and conditions.
4793 (movtf_insn_hq_sp64): Likewise.
4794 (movtf_insn_hq_vis_sp64): New pattern.
4795 (movtf_insn_sp64): Redo constraints and conditions.
4796 (movtf_insn_vis_sp64): New pattern.
4797 (movtf_no_e_insn_sp64): Redo constraints and conditions.
4798 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
4800 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
4801 -mvis or -m64 to take down the number of various reload patterns.
4803 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
4805 * pa/pa-64.h: New file.
4806 * pa/pa64-regs.h: New file.
4807 * pa/pa64-start.h: New file.
4808 * pa/t-pa64: New file.
4809 * pa/xm-pa64hpux.h: New file.
4811 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4813 * sparc.c (output_restore_regs): Prototype.
4814 (sparc_emit_float_lib_cmp): Constification.
4816 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
4818 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
4821 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
4822 (get_value_hash, hash_rtx): Likewise.
4824 * ssa.c (compute_conservative_reg_partition): Prototype.
4826 * tree.c (mark_hash_entry): Prototype.
4828 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
4830 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
4831 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
4832 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
4834 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
4835 * objc/lang-specs.h: Likewise.
4837 2000-04-03 Neil Booth <NeilB@earthling.net>
4839 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
4840 and SYNTAX_ERROR2. Replace `' in messages with ''.
4841 (op_to_str): Make re-entrant.
4842 (_cpp_parse_expr): Implement new error macros. Use | rather
4843 than || to logically or 2 boolean integers. Simply expression
4844 checking we have a left operand iff needed.
4846 2000-04-03 Nick Clifton <nickc@cygnus.com>
4848 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
4850 2000-04-03 Philip Blundell <philb@gnu.org>
4852 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
4854 2000-04-03 Felix Lee <flee@cygnus.com>
4856 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
4857 (run_shell): Use it.
4859 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
4861 * Makefile.in (stmp-int-hdrs): Make include subdir here...
4862 (stmp-fixproto): ...rather than here.
4864 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
4866 * pa.c (print_operand): Compute 'base' only inside the code paths
4869 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
4871 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
4874 2000-04-03 Philipp Thomas <pthomas@suse.de>
4876 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
4878 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
4880 * Makefile.in (alias.o): Depend on $(TREE_H).
4882 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
4884 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
4886 * cpplib.c (_cpp_handle_directive): Improve warnings for
4887 traditional C and indented directives.
4889 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
4890 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
4891 fixinc/inclhack.def: Indent the # of #include_next one space.
4892 * cp/rtti.c: Un-indent #if and #endif.
4894 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
4895 syntax error, but an error has already been printed.
4896 * cpplex.c (_cpp_parse_assertion): Give a more specific error
4897 message when called with nothing remaining on the line.
4898 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
4899 OTHER token, not an ASSERTION.
4900 * cpplib.c (do_assert): When we create a 'base' node, clear
4901 its aschain pointer.
4903 2000-04-02 Neil Booth <NeilB@earthling.net>
4905 * cppexp.c: New typedef op_t. struct operation and struct
4906 token updated to use it.
4907 (op_to_str): New function.
4908 (_cpp_parse_expr): Error messages modified to use op_to_str.
4910 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4912 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
4913 before checking MUST_PASS_IN_STACK.
4915 2000-04-02 Neil Booth <NeilB@earthling.net>
4917 * cppexp.c: New FINISHED dummy token. Combine operator initial
4918 flags and initial priority into a single constant. New
4919 EQUALITY macro. New operator flag SHORT_CIRCUIT.
4920 (_parse_cpp_expr): Implement new constants. Take left operand
4921 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
4922 parse indicated by reducing FINISHED token. Remove new lines
4923 from cpp_error messages.
4925 2000-04-01 Mark Mitchell <mark@codesourcery.com>
4927 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
4930 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
4932 * cpplib.c: Include symcat.h. Add 'origin' field to struct
4933 directive. Add origin values to DIRECTIVE_TABLE. Generate
4934 the strings and function names on the fly. Take the #sccs
4935 entry out of the table if SCCS_DIRECTIVE is not defined.
4936 (_cpp_handle_directive): Decide if the # was at the beginning
4937 of the line here. Issue -pedantic warnings for extended
4938 directives here. Warn about K+R directives with the #
4939 indented, and C89/extended directives with the # not indented,
4941 (do_import, do_include_next, do_warning, do_ident, do_sccs,
4942 do_assert, do_unassert): Don't issue pedantic warning here.
4944 * cpphash.h: Add CPP_WTRADITIONAL macro.
4945 * cpplib.h (struct cpp_options): Rename warn_stringify to
4946 warn_traditional; update comments.
4947 * cppinit.c (handle_option): Set warn_traditional not
4949 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
4950 CPP_WTRADITIONAL (pfile).
4951 * cpplex.c (_cpp_lex_token): Don't decide if directives should
4952 be ignored in -traditional mode here.
4954 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
4955 to initialize speccase[] and trigraph_map[]. Delete all
4956 references to pfile->input_speccase. Always treat '?' as a
4957 special character. Remove table-initialization code from
4958 _cpp_init_input_buffer.
4960 * cpplib.h (struct cpp_reader): Remove input_speccase field.
4961 * cppinit.c (cpp_cleanup): Don't free input_speccase.
4963 2000-04-01 Richard Henderson <rth@cygnus.com>
4965 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
4966 (mostlyclean): Likewise.
4968 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
4969 (struct dump_file_info, enum dump_file_index, dump_file): New.
4970 (open_dump_file): Take a dump_file_index not a suffix, and a decl
4971 not a string. Clean out file if we havn't yet done so. Do nothing
4972 if the dump isn't enabled.
4973 (close_dump_file): Do nothing if the dump isn't open. Dump
4974 graph data if requested.
4975 (dump_rtl, clean_dump_file): Remove.
4976 (compile_file): Don't clean the dump files. Only finalize .bp dump
4977 if flag_test_coverage or flag_branch_probabilities. Only finalize
4978 .combine dump if optimizing. Iterate over dump_file to finalize the
4980 (rest_of_compilation): Update for open_dump_file/close_dump_file.
4981 Convert all uses of dump_rtl.
4982 (decode_d_option): Iterate over dump_file to implement 'a' and to
4983 locate pass-specific dumps.
4985 2000-04-01 Neil Booth <NeilB@earthling.net>
4987 * cppexp.c: Redefine priority constants.
4988 (_cpp_parse_expr): Replace left and right priority scheme with
4989 single priority logic. Move LOGICAL to same place as COMPARE.
4990 Remove bogus check for multiple unary +/- operators.
4992 2000-04-01 Neil Booth <NeilB@earthling.net>
4994 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
4995 within the switch statement. Binary operations break out of
4996 the switch naturally. '(' tokens handled by forcing
4997 immediate shift. ')' handled by forcing immediate reduce to
4998 the previous '('. New error messages.
5000 2000-03-31 Geoff Keating <geoffk@cygnus.com>
5002 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
5003 part', it's already in use. Use %K instead. Add a return at the
5004 end of what is now %K.
5005 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
5007 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5009 * builtins.c (expand_builtin_apply): Pass proper parameters to
5010 allocate_dynamic_stack_space.
5011 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
5012 update stack_pointer_delta; do not update arg_size_so_far.
5013 (compute_argument_block_size): Use stack_delta instead of
5014 stack_pointer_pending and arg_size_so_far.
5015 (expand_call): Add sanity checking for stack_pointer_delta;
5016 save and restore stack_pointer_delta for SIB, use
5017 stack_pointer_delta for alignment; do not update arg_space_so_far.
5018 (emit_library_call_value): Use stack_pointer_delta for alignment.
5019 (store_one_arg): Do not update arg_space_so_far.
5020 * explow.c (adjust_stack, anti_adjust_stack): Update
5021 stack_pointer_delta.
5022 (allocate_dynamic_stack_space): Add sanity checking for
5023 stack_pointer_delta.
5024 * expr.c (init_expr, clear_pending_stack_adjust): Clear
5025 stack_pointer_delta.
5026 (emit_push_insn): Update stack_pointer_delta.
5027 * function.h (struct expr_status): Add x_stack_pointer_delta;
5028 remove x_arg_space_so_far.
5029 (arg_space_so_far): Remove.
5030 (stack_pointer_delta): New macro.
5032 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
5034 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
5035 Reorder struct cpp_options and struct cpp_reader for better
5036 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
5037 takes two args. Change all 'char' flags to 'unsigned char'.
5038 Move show_column flag into struct cpp_options. Don't
5039 prototype cpp_options_init.
5040 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
5041 cppinit.c, cpplex.c, cpplib.c:
5042 Replace CPP_OPTIONS (pfile)->whatever with
5043 CPP_OPTION (pfile, whatever), and likewise for
5044 opts = CPP_OPTIONS (pfile); ... opts->whatever;
5046 * cppinit.c (merge_include_chains): Take a cpp_reader *.
5047 Extract CPP_OPTION (pfile, pending) and work with that
5049 (cpp_options_init): Delete.
5050 (cpp_reader_init): Turn on on-by-default options here.
5051 Allocate the pending structure here.
5052 (cl_options, enum opt_code): Define these from the same table,
5053 kept in a large macro. Add -fshow-column and -fno-show-column
5056 * cpperror.c (v_message): If show_column is off, don't print
5059 * cppmain.c: Update for new interface.
5060 * fix-header.c: Likewise.
5062 2000-03-30 Geoff Keating <geoffk@cygnus.com>
5064 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
5066 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
5067 are passed to any invocation of AR_FOR_TARGET.
5068 (AR_CREATE_FOR_TARGET): New macro.
5069 (AR_EXTRACT_FOR_TARGET): New macro.
5070 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
5071 AR_EXTRACT_FOR_TARGET.
5072 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
5073 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
5074 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
5075 AR_EXTRACT_FOR_TARGET to sub-makes.
5077 2000-03-31 Neil Booth <NeilB@earthling.net>
5079 * cppexp.c: Delete SKIP_OPERAND. Correct priority
5081 (_cpp_parse_expr): Check for multiple unary +/- operators.
5082 Correct priorities of ':' and '?'. Treat ')' as having a
5083 value. Ensure conditional expression is not void.
5085 2000-03-31 Mark Mitchell <mark@codesourcery.com>
5087 * alias.c (canon_rtx): Make it global.
5088 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
5090 * cse.c (struct table_elt): Add canon_exp.
5092 (invalidate): Canonicalize expressions only once.
5093 * rtl.h (canon_rtx): Declare.
5095 2000-03-30 Mark Mitchell <mark@codesourcery.com>
5097 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
5098 * alias.c (reg_known_value): Add comments.
5099 (init_alias_analysis): Likewise.
5100 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
5102 (cse_basic_block): Fix typo in comment.
5103 * emit-rtl.c: Include hashtab.h.
5104 (const_int_htab): New variable.
5105 (const_int_htab_hash): New function.
5106 (const_int_htab_eq): Likewise.
5107 (rtx_htab_mark_1): Likewise.
5108 (rtx_htab_mark): Likewise.
5109 (gen_rtx_CONST_INT): Cache all CONST_INTs.
5110 (unshare_all_rtx): Fix formatting.
5111 (init_emit_once): Initialize const_int_htab.
5112 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
5114 * rtl.texi: Document the fact that all CONST_INTs with the same
5117 2000-03-30 Richard Henderson <rth@cygnus.com>
5119 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
5121 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
5123 * configure.in: Comment out --enable-c-cpplib stanza.
5124 * configure: Regenerate.
5126 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5128 * expr.c (store_constructor): Properly compute displacement and
5129 alignment when offset is variable.
5131 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
5132 cases of alignment in bytes.
5134 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
5136 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
5137 since it is used to generate c-parse.y.
5138 * objc-parse.c, objc-parse.y: Regenerated.
5140 * function.c (expand_function_end): Pass alignment argument to
5141 emit_block_move in bits, not bytes.
5143 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5145 * expr.c (move_by_pieces_ninsns): Fix one more missing align
5148 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
5150 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
5151 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
5152 * function.c (assign_parms): Likewise.
5153 * integrate.c (expand_inline_function): Likewise.
5154 * stmt.c (expand_decl): Likewise.
5155 (copy_rtx_and_substitute): Likewise.
5156 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
5157 (clear_by_pieces): Fix error in last change.
5158 * emit-rtl.c (init_emit): Set known registers alignment in bits.
5159 * function.h (regno_pointer_align): Now unsigned.
5160 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
5162 * config/i386/i386.c (aligned_operand): Likewise.
5163 * config/sparc/sparc.c (mem_min_alignment): Likewise.
5164 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
5165 (unaligned_memory_operand): Likewise.
5166 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5167 Also make alignments and sizes unsigned and some whitespace cleanup.
5168 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
5170 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
5171 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
5172 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
5173 (expand_builtin_memset): Likewise, but to clear_storage.
5174 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
5175 (restore_fixed_argument_area): Likewise.
5176 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
5177 (load_register_parameters): Likewise, to emit_group_load.
5178 (expand_call): Likewise, to emit_group_store and emit_block_move.
5179 (emit_library_call_value_1): Likewise, to emit_block_move.
5180 (store_one_arg): Likewise, and to emit_push_insn.
5181 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
5182 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
5183 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
5184 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5185 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
5186 (expand_assigment, store_expr, store_constructor_field): Likewise.
5187 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
5188 (store_constructor, store_field, get_inner_reference): Likewise.
5189 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
5190 (expand_expr, case COMPONENT_REF): Likewise.
5191 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
5192 and positions; reindent code.
5193 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
5194 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
5195 (assign_parms): Likewise to emit_group_store.
5196 * optabs.c (prepare_cmp_insn): Alignment is in bits.
5197 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
5198 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
5199 (expand_return): Likewise to {extract,store}_bit_field.
5200 * stor-layout.c (get_mode_alignment): Minor cleanup.
5201 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
5202 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
5204 2000-03-29 Nick Clifton <nickc@cygnus.com>
5206 * config/arm/arm.h: Undo effects of previous delta:
5207 (ASM_SPEC): Do not define.
5208 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
5210 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
5213 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5215 * cppinit.c (cpp_start_read): Call initialize_dependency_output
5216 only after reading in the primary source file.
5218 2000-03-29 Geoff Keating <geoffk@cygnus.com>
5220 * c-common.c (c_common_nodes_and_builtins): The first parameter to
5221 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
5222 or a reference to a va_list.
5223 * builtins.c (stabilize_va_list): Simplify now we don't have to
5224 work around C array address decay.
5225 * c-typeck.c (convert_for_assignment): Handle assignment to
5226 a reference parameter by taking the address of the RHS.
5227 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
5228 (va_copy): Likewise.
5229 (__va_copy): Likewise.
5230 * ginclude/varargs.h (va_start): Likewise.
5231 (__va_copy): Likewise.
5233 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
5235 * i386/djgpp.h: Remove extraneous "+".
5237 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
5239 * calls.c (expand_call): Fix typo in last change.
5241 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
5243 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
5246 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5248 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
5249 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
5250 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
5251 * tree.c (bit_position, byte_position): Likewise.
5252 * tree.h: Declare new functions.
5254 2000-03-29 Nick Clifton <nickc@cygnus.com>
5256 * config/arm/arm.c: Minor formatting changes/
5257 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5259 (ASM_SPEC): Define if not already defined.
5261 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5263 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
5266 2000-03-29 Jakub Jelinek <jakub@redhat.com>
5268 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
5269 value, don't output it as unsigned.
5271 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
5273 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
5275 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5277 * c-common.c (c_common_nodes_and_builtins): Don't special case
5278 cplus_mode when declaring builtin bzero/bcmp, always avoid
5279 prototype arguments.
5281 2000-03-29 Bruce Korb <bkorb@gnu.org>
5283 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
5286 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5288 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
5289 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
5290 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
5291 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
5292 (save_fixed_argument_area, restore_fixed_argument_area):
5293 conditionize by #ifdef REG_PARM_STACK_SPACE only.
5294 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
5295 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
5296 (precompute_register_parameters): Avoid #ifdefs on
5297 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
5298 (stire_one_args): Likewise.
5299 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
5300 (emit_library_call_value_1): Likewise.
5301 (compute_argument_block_size): Align to STACK_BOUNDARY only for
5302 ACCUMULATE_OUTGOING_ARGS.
5303 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
5305 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
5306 (use_crosses_set_p): Likewise.
5307 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
5308 #define ACCUMULATE_OUTGOING_ARGS 1.
5309 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
5311 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
5313 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
5314 (TARGET_SWITCHES): Add push-args, no-push-args,
5315 accumulate-outgoing-args and no-accumulate-outgoing-args.
5316 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
5317 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
5318 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
5320 (emit_push_insn): Likewise.
5321 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5322 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
5323 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5324 (STACK_DYNAMIC_OFFSET): Define correctly for both
5325 ACCUMULATE_OUTGOING_ARGS and normal mode.
5326 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
5327 * tm.texi (PUSH_ARGS): Document.
5328 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
5330 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
5332 * flags.h (flag_optimize_sibling_calls): Declare.
5333 * calls.c (expand_call): Fail sibcall when
5334 !flag_optimize_sibling_calls
5335 * invoke.texi (flag_optimize_sibling_calls): Document.
5336 * toplev.c (flag_optimize_sibling_calls): New global variable.
5337 (f_options): Add flag_optimize_sibling_calls.
5338 (rest_of_compilation): Conditionize
5339 optimize_sibling_and_tail_recursive_calls by
5340 flag_optimize_sibling_calls.
5341 (main): Set flag_optimize_sibling_calls for -O2.
5342 * stmt.c (expand_return): Conditionize tail recursion by
5343 flag_optimize_sibling_calls.
5345 2000-03-29 Richard Henderson <rth@cygnus.com>
5347 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
5348 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
5350 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
5352 * except.c (add_eh_table_entry): Mark type_info's as referenced.
5354 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5356 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
5358 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
5359 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
5360 * config/rs6000/aix.h: then modified likewise.
5362 2000-03-28 Richard Henderson <rth@cygnus.com>
5364 * rtl.h: Redistribute enum reg_note documentation.
5365 Kill trailing whitespace.
5366 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
5367 Kill trailing whitespace.
5369 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
5371 * cppfiles.c (hash_IHASH): Just return i->hash.
5372 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
5373 htab_find_with_hash.
5374 (cpp_read_file): Likewise.
5375 (find_include_file): Likewise. Properly initialize
5376 ih->nshort. Share ih->name and ih->nshort if possible.
5377 * cpphash.c (_cpp_calc_hash): New function.
5378 (hash_HASHNODE): Just return h->hash.
5379 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
5380 htab_find_with_hash.
5381 * cpphash.h: Prototype _cpp_calc_hash.
5382 * cppinit.c (initialize_builtins): Provide a valid hash
5383 to _cpp_make_hashnode, using _cpp_calc_hash.
5385 * cpphash.c (collect_expansion): # is not a special character
5386 in object-like macros. In -traditional mode, /**/ is not
5387 token paste at the beginning or end of the line.
5388 * cpplib.c (do_include, do_import, do_include_next): If
5389 parse_include fails, return immediately.
5391 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
5393 * config/arm/arm.md (return peepholes): Update to reflect the new
5395 * config/arm/arm.c (arm_volatile_func): Also check
5396 current_function_nothrow.
5397 (output_return_instruction, output_func_prologue): Use it.
5398 (arm_output_epilogue, arm_expand_prologue): Likewise.
5400 2000-03-27 Tom Tromey <tromey@cygnus.com>
5402 * gcc.c (handle_braces): In {x*...} case, break out of loop if
5405 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5407 * expr.c (store_constructor): SIZE now signed.
5408 For EXPR_SIZE, don't evaluate size; just needed if constant.
5409 * fold-const.c (fold): Fix a number of cases when folded tree is
5411 * function.c (flush_addressof): Reenable.
5412 * tree.h (flush_addressof): Likewise.
5413 * toplev.c (independent_decode_option): Look at strings_processed.
5414 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
5416 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
5418 * sibcall.c (indentify_call_return_value): Find last call in the chain;
5419 Allow stack adjustment after function call.
5421 * regmove.c (struct csa_memlist): Make mem field rtx *.
5422 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
5423 (try_apply_stack_adjustment): Replace whole MEM rtx.
5424 (combine_stack_adjustments_for_block): Update calls
5425 to record_one_stack_ref.
5427 2000-03-28 Neil Booth <NeilB@earthling.net>
5429 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
5430 '\\' rather than a null character, so nulls are not special. Fix
5431 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
5432 speed trigraph conversion.
5433 (_cpp_init_input_buffer): Initialize trigraph map.
5435 2000-03-27 Alan Modra <alan@linuxcare.com.au>
5437 * config/i386/i386.c (output_387_binary_op): Correct intel
5438 mode assembly output, and add spaces after commas in AT&T
5439 output. Correct Unixware assembler comment. Document input
5440 constraints. Comment fp operations. Reduce profligate buffer
5441 size. Remove extraneous abort. Localize temp var.
5442 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
5443 (output_fix_trunc): Add spaces after commas in assembly output.
5445 2000-03-27 Richard Henderson <rth@cygnus.com>
5447 * i386-protos.h (ix86_match_ccmode): Declare.
5448 * i386.c (ix86_match_ccmode): New.
5449 (ix86_expand_fp_compare): Update for pattern renames.
5450 (ix86_expand_strlensi_unroll_1): Likewise.
5451 * i386.h (EXTRA_CC_MODES): Add CCZ.
5452 (SELECT_CC_MODE): Use it for EQ/NE zero.
5453 * i386.md (cmpsi_ccz_1): New.
5455 (*testsi_ccz_1): New.
5456 (testqi_ccz_1): New.
5457 (cmpsi_ccno_1): Rename from cmpsi_0.
5458 (testsi_ccno_1): Rename from testsi_1.
5459 (testqi_ccno_1): Rename from testqi_1.
5460 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
5461 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
5462 (*cmphi_0): Use ix86_match_ccmode.
5463 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
5464 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
5465 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
5466 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
5467 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
5468 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
5469 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
5470 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
5471 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
5472 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
5473 (appropriate peepholes): Likewise.
5474 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
5475 (*subsi_3, *subhi_3, *subqi_3): Remove.
5476 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
5477 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
5478 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
5479 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
5480 (x86_shift_adj_1): Use CCZ.
5481 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
5483 2000-03-27 Stan Cox <scox@cygnus.com>
5485 * resource.h (mark_resource_type): New.
5486 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
5487 find_free_register): Use mark_resource_type.
5488 (mark_set_resources): Change include_delayed_effects
5489 to mark_resource_type.
5490 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
5491 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
5492 Use mark_resource_type.
5494 2000-03-27 Richard Henderson <rth@cygnus.com>
5496 * i386.md (call_pop_0, call_value_pop_0): New.
5497 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
5498 (call_value_pop_1): Likewise.
5499 (call_0, call_value_0): New.
5500 (call_1, call_value_1): Remove constraint from unused arg.
5502 2000-03-27 Nick Clifton <nickc@cygnus.com>
5504 * invoke.texi (Spec Files): Document new spec % command created by
5505 Tom Tromey's recent patch.
5507 2000-03-27 Jakub Jelinek <jakub@redhat.com>
5509 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
5512 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5514 * expr.c (expand_assignment): Fix typo in last change.
5516 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
5518 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5520 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
5521 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
5522 and DECL_INLINE if FUNCTION_DECL.
5523 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
5524 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
5525 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
5526 (combine_parm_decls): Likewise.
5527 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
5528 * print-tree.c (print_node): Likewise.
5529 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
5530 DECL_TRANSPARENT_UNION on proper decl types.
5531 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
5532 * stor-layout.c (layout_decl): Only check DECL_PACKED and
5533 DECL_BIT_FIELD of FIELD_DECL.
5534 * tree.h (DECL_RESULT_FLD): New macro.
5536 * expr.c (expand_assignment): Add code to handle variable-sized
5539 2000-03-26 Richard Henderson <rth@cygnus.com>
5541 * calls.c (expand_call): Pass parms not original exp to
5542 optimize_tail_recursion. Mind return value instead of looking
5544 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
5545 call_expr. Move checks for call_expr and current_function_decl ...
5546 (expand_return): ... here.
5548 2000-03-26 Tom Tromey <tromey@cygnus.com>
5550 * gcc.c (handle_braces): Recognize `%{<S}' construct.
5551 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
5553 (process_command): Use them.
5554 (check_live_switch): Likewise.
5555 (give_switch): Skip ignored switches.
5557 2000-03-26 Jan Hubicka <jh@suse.cz>
5559 * jump.c (jump_optimize_1): Fix typo in elide optimizations
5560 for minimal jump pass test.
5562 2000-03-26 Mark Mitchell <mark@codesourcery.com>
5564 * integrate.c (function_cannot_inline_p): Do inline functions that
5567 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5569 * stor-layout.c (layout_type, set_sizetype): early_type_list is
5570 now a list of TREE_LIST entries, not types.
5571 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
5573 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
5574 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
5576 * config/mips/mips.c (function_arg): Likewise; also remove cast
5577 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
5578 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
5579 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
5580 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
5581 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
5582 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
5583 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
5584 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
5585 num_adjusts now unsigned.
5586 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
5587 * config/sparc/sparc.c (struct function_arg_record_value_parms):
5589 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
5590 as is BITPOS variable; use host_integerp and int_bit_position.
5591 (function_arg_record_value_2): Likewise.
5592 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
5593 Variable REGNO now unsigned.
5594 (function_arg_record_value): NREGS now unsigned.
5596 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5598 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
5600 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5602 * Rework fields used to describe positions of bitfields and
5603 modify sizes to be unsigned and use HOST_WIDE_INT.
5604 * alias.c (reg_known_value_size): Now unsigned.
5605 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
5606 (really_start_incremental_init): Use bitsize_zero_node.
5607 (push_init_level, pop_init_level, output_init_element): Likewise.
5608 Use bitsize_unit_node and bitsize_one_node.
5609 (output_pending_init_elements, process_init_element): Likewise.
5610 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
5611 (make_extraction): Position and length HOST_WIDE_INT and unsigned
5612 HOST_WIDE_INT, respectively.
5613 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
5614 (num_sign_bit_copies): Returns unsigned.
5615 BITWIDTH now unsigned; rework arithmetic.
5616 Remove recursive call from arg to MAX.
5617 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
5618 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
5620 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
5621 (find_split_point, expand_compound_operation, make_extraction): LEN
5622 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
5623 (make_field_assignment): Likewise.
5624 (combine_simplify_rtx): Add cast.
5625 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
5626 (force_to_mode): WIDTH now unsigned; add cast.
5627 (if_then_else_cond): SIZE now unsigned.
5628 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
5629 (extended_count): Now returns unsigned.
5630 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
5631 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
5632 (simplify_comparison): MODE_WIDTH now unsigned.
5633 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
5634 (mark_used_regs_combine): Likewise; rework arithmetic.
5635 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
5636 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
5637 (record_promoted_value): REGNO now unsigned.
5638 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
5639 (get_last_value): REGNO now unsigned.
5640 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
5641 (reg_dead_regno, reg_dead_endregno): Now unsigned.
5642 (remove_death): Arg REGNO now unsigned.
5643 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
5644 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
5646 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
5647 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
5648 (struct cse_reg_info): REGNO now unsigned.
5649 (cached_regno): Now unsigned.
5650 (REGNO_QTY_VALID_P): Add cast.
5651 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
5652 (remove_invalid_regs): Likewise.
5653 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
5654 as are variables END and I.
5655 (get_cse_reg_info, insert): Likewise.
5656 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
5657 (canon_hash): Likewise.
5658 (insert_regs, lookup_for_remove): REGNO now unsigned.
5659 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
5661 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
5662 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
5663 * emit-rtl.c (subreg_realpart_p): Add cast.
5664 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
5665 (operand_subword_force): Arg I is now unsigned.
5666 * except.c (eh_regs): Variable I is now unsigned.
5667 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
5668 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
5669 length is unsigned HOST_WIDE_INT; likewise for internal variables.
5670 (store_split_bit_field, extract_fixed_bit_field): Likewise.
5671 (extract_split_bit_field, store_bit_field, extract_bit_field):
5673 * expr.c (store_constructor_fields, store_constructor, store_field):
5674 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
5675 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
5676 (do_jump): Likewise.
5677 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
5678 MAX_SIZE is now unsigned.
5679 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
5680 (emit_group_store): Likewise.
5681 (emit_move_insn): I now unsigned.
5682 (store_constructor): Use host_integerp, tree_low_cst, and
5684 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
5685 Rework all calculations to use trees and new fields.
5686 * expr.h (promoted_input_arg): Regno now unsigned.
5687 (store_bit_field, extract_bit_field): Adjust types of pos and size.
5688 (mark_seen_cases): Arg is HOST_WIDE_INT.
5689 * flow.c (verify_wide_reg_1): REGNO now unsigned.
5690 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
5691 precisions and alignments are unsigned.
5692 (optimize_bit_field_compare, fold_truthop): Likewise.
5693 (int_const_binop): Adjust threshold for size_int_type_wide call.
5694 (fold_convert): Likewise.
5695 (size_int_type_wide): Make table larger and fix thinko that only
5696 had half of table used.
5697 (all_ones_mask_p, fold): Precisions are unsigned.
5698 * function.c (put_reg_info_stack): REGNO is unsigned.
5699 (instantiate_decl): Size is HOST_WIDE_INT.
5700 (instantiate_virtual_regs): I is unsigned.
5701 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
5702 (promoted_input_arg): REGNO is unsigned.
5703 * function.h (struct function): x_max_parm_reg is now unsigned.
5704 * gcse.c (max_gcse_regno): Now unsigned.
5705 (struct null_pointer_info): min_reg and max_reg now unsigned.
5706 (lookup_set, next_set): REGNO arg now unsigned.
5707 (compute_hash_table): REGNO and I now unsigned.
5708 (handle_avail_expr): regnum_for_replacing now unsigned.
5709 (cprop_insn): REGNO now unsigned.
5710 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
5711 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
5712 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
5713 * hard-reg-set.h (reg_class_size): Now unsigned.
5714 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
5715 * jump.c (mark_modified_reg): I now unsigned; add cast.
5716 (rtx_equal_for_thread_p): Add cast.
5717 * loop.c (max_reg_before_loop): Now unsigned.
5718 (struct_movable): REGNO now unsigned.
5719 (try_copy_prop): REGNO arg unsigned.
5720 (regs_match_p): XN and YN now unsigned.
5721 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
5722 (strength_reduce): Likewise; NREGS also unsigned.
5723 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
5724 * loop.h (struct iv_class): REGNO now unsigned.
5725 (max_reg_before_loop, first_increment_giv, last_increment_giv):
5727 * machmode.h (mode_size, mode_unit_size): Now unsigned.
5728 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
5729 * optabs.c (expand_binop): I and NWORDS now unsigned.
5730 (expand_unop): I now unsigned.
5731 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
5732 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
5733 * real.c (significand_size): Now returns unsigned.
5734 * real.h (significand_size): Likewise.
5735 * regclass.c (reg_class_size): Now unsigned.
5736 (choose_hard_reg_mode): Both operands now unsigned.
5737 (record_reg_classes): REGNO and NR now unsigned.
5738 (reg_scan): NREGS now unsigned.
5739 (reg_scan_update): old_max_regno now unsigned.
5740 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
5741 * reload.c (find_valid_class): BEST_SIZE now unsigned.
5742 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
5743 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
5744 Likewise for variable R.
5745 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
5746 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
5747 (find_equiv_reg): Add casts.
5748 (regno_clobbered_p): Arg REGNO now unsigned.
5749 * reload.h (struct reload): NREGS now unsigned.
5750 (refers_to_regno_for_reload_p): Regno args are unsigned.
5751 (regno_clobbered_p): Likewise.
5752 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
5753 (compute_use_by_pseudos): REGNO now unsigned.
5754 (find_reg): I and J now unsigned, new variable K, and change loop
5755 variables accordingly; THIS_NREGS now unsigned.
5756 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
5757 (spill_hard_reg): REGNO arg now unsigned; add casts.
5758 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
5759 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
5760 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
5761 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
5762 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
5763 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
5764 (emit_reload_insns): REGNO now unsigned.
5765 (reload_cse_move2add): Add cast.
5766 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
5768 * resource.c (mark_referenced_resources, mark_set_resources): New
5769 variable R; REGNO and LAST_REGNO now unsigned.
5770 (mark_target_live_regs): J and REGNO now unsigned.
5771 * rtl.c (mode_size, mode_unit_size): Now unsigned.
5772 * rtl.h (union rtunion_def): New field rtuint.
5773 (XCUINT): New macro.
5774 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
5775 (operand_subword, operand_subword_force): Word number is unsigned.
5776 (choose_hard_reg_mode): Operands are unsigned.
5777 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
5778 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
5779 (regno_use_in, combine_instructions, remove_death): Likewise.
5780 (reg_scan, reg_scan_update): Likewise.
5781 (extended_count): Return is unsigned.
5782 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
5783 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
5784 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
5785 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
5786 (reg_reg_last_1): FIRS and LAST now unsigned.
5787 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
5788 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
5790 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
5791 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
5792 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
5793 (replace_regs): Arg NREGS now unsigned.
5794 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
5795 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
5796 (simplify_binary_operation): Likewise.
5797 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
5798 THIS_LAST now unsigned.
5799 (cselib_record_set): Add cast.
5800 * ssa.c (ssa_max_reg_num): Now unsigned.
5801 (rename_block): REGNO now unsigned.
5802 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
5804 (all_cases_count): Just return -1 not -2.
5805 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
5806 Rework tests to use trees whenever possible.
5807 Use host_integerp and tree_low_cst.
5808 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
5809 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
5810 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
5811 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
5812 (smallest_mode_for_size): Likewise.
5813 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
5814 KNOWN_ALIGN is now an alignment, so simplify code.
5815 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
5816 (start_record_layout): Renamed from new_record_layout_info.
5817 Update to new fields.
5818 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
5820 (place_union_field): Renamed from layout_union_field.
5821 Update to use new fields in rli.
5822 (place_field): Renamed from layout_field.
5823 Major rewrite to use new fields in rli; pass alignment to layout_decl.
5824 (finalize_record_size): Rework to use new fields in rli and handle
5826 (compute_record_mode): Rework to simplify and to use new DECL fields.
5827 (finalize_type_size): Make rounding more consistent.
5828 (finish_union_layout): Deleted.
5829 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
5830 (layout_type, case RECORD_TYPE): Call new function names.
5831 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
5832 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
5833 (get_best_mode): UNIT is now unsigned; remove casts.
5834 * tree.c (bit_position): Compute from new fields.
5835 (byte_position, int_byte_position): New functions.
5836 (print_type_hash_statistics): Cast to remove warning.
5837 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
5838 (build_index_type): Likewise; make subtype of sizetype.
5839 (build_index_2_type): Pass sizetype to build_range_type.
5840 (build_common_tree_nodes): Use size_int and bitsize_int to
5841 initialize nodes; add bitsize_{zero,one,unit}_node.
5842 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
5843 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
5844 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
5845 (DECL_FIELD_BITPOS): Deleted.
5846 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
5847 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
5848 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
5849 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
5850 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
5851 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
5852 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
5853 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
5854 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
5855 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
5856 (DECL_ALIGN): Adjust to new field in union.
5857 (DECL_OFFSET_ALIGN): New field.
5858 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
5859 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
5860 (union tree_decl): Add struct for both aligns.
5861 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
5862 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
5863 (struct record_layout_info): Rework fields to have offset
5864 alignment and byte and bit position.
5865 (start_record_layout, place_field): Renamed from old names.
5866 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
5867 (byte_position, int_byte_position): Likewise.
5868 (get_inner_reference): Change types of position and length.
5869 * unroll.c (unroll_loop): New variable R; use for some loops.
5870 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
5871 (calculate_giv_inc): Arg REGNO now unsigned.
5872 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
5873 * varasm.c (assemble_variable): Clean up handling of size using
5874 host_integerp and tree_low_cst.
5875 (decode_addr_const): Use byte, not bit, position.
5876 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
5877 use tree_low_cst and int_bit_position.
5878 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
5880 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
5882 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
5883 (reorder_block_def): New members eff_head and eff_end.
5884 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
5885 (verify_insn_chain): New function.
5886 (skip_insns_between_block): Add code to skip deleted insns.
5887 Check for note before using.
5888 (chain_reorder_blocks): Replace calls to skip_insns_between_block
5889 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
5890 Check for note before using.
5891 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
5892 (fixup_reorder_chain): Restructure, clean up, defect removal.
5893 (reorder_basic_blocks): Remove last_insn and references to it.
5894 Moved insn chain verification code into a new function (see above).
5895 Delete defective code that sets last insn.
5896 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
5899 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5901 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
5903 2000-03-24 Richard Henderson <rth@cygnus.com>
5905 * tree.c (lang_safe_for_unsave): Remove.
5906 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
5907 allowing for two levels of unsafeness. Remove lang hook.
5908 * tree.h: Update declarations.
5909 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
5910 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
5911 Always fail sibcalls when there are pending cleanups.
5913 2000-03-24 Geoff Keating <geoffk@cygnus.com>
5915 * flow.c (propagate_block): When we delete an ADDR_VEC,
5916 also delete the BARRIER following it if there is one.
5918 2000-03-24 Richard Henderson <rth@cygnus.com>
5920 * builtins.c (expand_builtin_bzero): Convert `length' argument
5923 2000-03-24 Jakub Jelinek <jakub@redhat.com>
5925 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
5926 comparison if regno's are equal.
5927 * calls.c (initialize_argument_informat): Add ecf_flags argument.
5928 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
5929 (expand_call): Update caller.
5930 Avoid making a sibling call if argument size of the callee is larger
5931 than argument size of the caller.
5932 Call hard_function_value with outgoing set if in sibcall pass.
5933 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
5935 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
5936 Change LEAF_REGISTERS from an array initializer to actual array
5937 identifier. Move static global variable into the function.
5938 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
5939 sequences for leaf functions.
5940 * global.c (global_alloc): Likewise.
5941 * tm.texi (LEAF_REGISTERS): Update documentation.
5943 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
5944 TARGET_FLAT leaf disabling hack.
5945 (LEAF_REGISTERS): Changed from an array initializer to actual array
5946 identifier to avoid duplication and remove the above hack.
5947 (FUNCTION_OK_FOR_SIBCALL): Define.
5948 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
5949 always like call attribute.
5950 (eligible_for_sibcall_delay): New attribute.
5951 (sibcall): New delay type.
5952 (sibcall, sibcall_value, sibcall_epilogue): New expands.
5953 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
5954 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
5955 * config/sparc/sparc.c (sparc_leaf_regs): New array.
5956 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
5958 (output_function_epilogue): Move part of the code into
5959 output_restore_regs.
5960 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
5962 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
5965 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
5966 until infrastructure is finished.
5968 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
5970 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
5971 (save_parm_insns): Not here.
5973 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5975 * builtins.c (expand_builtin_bzero): New function.
5976 (expand_builtin): Handle bzero.
5978 * builtins.def: Add BUILT_IN_BZERO.
5980 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5981 prototype & function for bzero.
5983 2000-03-23 Michael Meissner <meissner@redhat.com>
5985 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
5986 change adding TARGET_FP to the TF floating point insns, except for
5987 trunctfsf2, which generates direct calls to truncdfsf2.
5989 2000-03-23 Geoff Keating <geoffk@cygnus.com>
5991 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
5992 try to protect against middle-end changes that break binary
5994 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
5996 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5998 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
6000 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6002 * calls.c (expand_call): If TARGET is passed by reference and
6003 is readonly, write a CLOBBER.
6005 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6007 * builtins.c (expand_builtin): Handle bcmp.
6009 * builtins.def: Add BUILT_IN_BCMP.
6011 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6012 prototype & function for bcmp.
6014 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
6016 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
6017 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
6018 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
6020 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
6022 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
6023 alternative when using -fp64 -gp32.
6025 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6027 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
6028 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
6029 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
6031 * frame.h (frame_state): Revert last change.
6032 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
6033 * libgcc2.c (throw_helper): Revert last change.
6035 2000-03-22 Richard Henderson <rth@cygnus.com>
6037 * stmt.c (expand_asm_operands): Don't promote the temporary.
6039 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6041 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
6042 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
6043 c_get_alias_set): Likewise.
6044 * c-decl.c (duplicate_decls): Likewise.
6045 * c-typeck.c (default_conversion,build_unary_op): Likewise.
6046 * calls.c (initialize_argument_information): Likewise.
6047 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
6049 * dwarfout.c (decl_class_context,output_type): Likewise.
6050 * expr.c (get_inner_reference): Likewise.
6051 * fold-const.c (simple_operand_p,fold): Likewise.
6052 * function.c (aggregate_value_p): Likewise.
6053 * stmt.c (expand_asm_operands): Likewise.
6054 * varasm.c (named_section): Likewise.
6056 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6058 Implement dwarf2 exception handling for the ARM.
6059 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
6060 (DWARF_FRAME_RETURN_COLUMN): Define.
6061 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
6062 REG_FRAME_RELATED_EXPR note.
6063 (emit_sfm): Likewise.
6064 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
6065 * dwarf2out.c (reg_save): Handle saving a register to itself.
6066 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
6067 * except.c (eh_regs): Don't use the static chain reg if it's
6069 * frame.h (frame_state): Add cfa_saved field.
6070 * frame.c (execute_cfa_insn): Set it.
6071 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
6073 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
6075 (instantiate_virtual_regs): Adjust.
6077 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6078 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6079 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
6081 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
6082 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
6084 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6086 * builtins.def: New file.
6088 * Makefile.in (TREE_H): Depend on builtins.def.
6090 * builtins.c (built_in_names): Use builtins.def.
6092 * tree.h (built_in_function): Likewise.
6094 2000-03-22 Mark Mitchell <mark@codesourcery.com>
6096 * tree.c (size_in_bytes): Return size_zero_node, not
6099 2000-03-22 Geoff Keating <geoffk@cygnus.com>
6101 * config/fp-bit.c (pack_d): Correct the case when a denormal
6102 is rounded up and stops being denormal.
6104 2000-03-21 Richard Henderson <rth@cygnus.com>
6106 * config/alpha/alpha.c (function_arg): Check for void_type_node
6107 before using MUST_PASS_IN_STACK.
6109 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
6111 * regmove.c (combine_stack_adjustments_for_block): Check that
6112 the stack pointer is a valid memory address.
6114 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
6116 * calls.c: re-install Mar 16 emit_library_call merge.
6118 2000-03-21 Jakub Jelinek <jakub@redhat.com>
6120 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
6121 we cannot be sure that if reload_completed base register will
6122 be properly aligned.
6124 2000-03-21 Richard Henderson <rth@cygnus.com>
6126 * flow.c (delete_block): Fix typo last change.
6128 2000-03-21 Mark Mitchell <mark@codesourcery.com>
6130 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
6131 not COMPLETE_TYPE_P, to check the type of the expression.
6133 2000-03-21 Michael Meissner <meissner@redhat.com>
6135 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
6136 all floating point insns that just tested the macro
6137 TARGET_HAS_XFLOATING_LIBS.
6138 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
6139 used to only use the gprs.
6141 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
6143 * tree.h (COMPLETE_TYPE_P): New macro.
6144 (COMPLETE_OR_VOID_TYPE_P): New macro.
6145 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
6146 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
6147 * c-aux-info.c (gen_type): Use them.
6148 * c-common.c (c_expand_expr_stmt): Likewise.
6149 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
6150 grokdeclarator, grokparms, finish_struct, start_function,
6151 store_parm_decls, combine_parm_decls): Likewise.
6152 * c-parse.y (cast_expr): Likewise.
6153 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
6154 c_size_in_bytes, c_alignof, build_component_ref,
6155 build_indirect_ref, build_array_ref, convert_arguments,
6156 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
6157 * calls.c (initialize_argument_information): Likewise.
6158 * convert.c (convert_to_integer): Likewise.
6159 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
6160 * dwarfout.c (location_or_const_value_attribute,
6161 output_enumeration_type_die, output_structure_type_die,
6162 output_union_type_die, output_type): Likewise.
6163 * expr.c (safe_from_p, expand_expr): Likewise.
6164 * function.c (assign_parms): Likewise.
6165 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
6166 * tree.c (build_array_type, build_function_type,
6167 build_method_type, build_offset_type, build_complex_type): Likewise.
6168 * c-parse.c, c-parse.h: Regenerated.
6170 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6172 * config/c4x/rtems.h: Include config/rtems.h.
6174 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
6176 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
6177 decl is a FUNCTION_DECL
6179 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
6181 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
6182 function uses output registers. Don't save RP for leaf functions.
6183 Do save RP even if no epilogue.
6184 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
6185 (CALL_USED_REGISTERS): Unmark in registers.
6186 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
6189 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6191 * config/rs6000/rs6000.md (bunordered): New expander.
6192 (bordered): New expander.
6193 (buneq): New expander.
6194 (bunge): New expander.
6195 (bungt): New expander.
6196 (bunle): New expander.
6197 (bunlt): New expander.
6198 (bltgt): New expander.
6200 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
6201 (ccr_bit_negated_p): New function.
6202 (print_operand): For %C, generate appropriate cror for UNEQ,
6203 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
6205 2000-03-20 Andreas Jaeger <aj@suse.de>
6207 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
6210 * tree.h (safe_for_unsave): Prototype.
6212 2000-03-20 Richard Henderson <rth@cygnus.com>
6214 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
6215 (combine_stack_adjustments_for_block): Don't allow sp references
6216 in the side of a set we're not fixing up.
6217 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
6218 after life_analysis.
6220 2000-03-20 Richard Henderson <rth@cygnus.com>
6222 * calls.c (expand_call): Don't bother generating tail call
6223 sequences if there are pending cleanups. Use
6224 expand_start_target_temps/expand_end_target_temps to elide
6225 cleanups created during sibcall expansion.
6227 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6229 * configure.in: Set $IFS to a value if it doesn't already have one
6230 in the --enable-checking handling.
6231 * configure: Regenerate.
6233 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6235 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
6236 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6239 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
6241 * jump.c (delete_noop_moves): Remove code attempting to
6242 combine stack adjustments.
6244 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6246 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
6247 * except.c (emit_cleanup_handler): Use them.
6248 (expand_end_all_catch): Likewise.
6249 * function.c (fixup_var_refs): Likewise.
6250 (expand_function_end): Clear catch_clauses_last.
6251 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
6252 * except.h (struct eh_status): New field x_catch_clauses_last.
6253 (catch_clauses_last): New define.
6255 * Makefile.in (tree.o): Depend on HASHTAB_H.
6256 * tree.c: Include hashtab.h.
6257 (struct type_hash): Remove next field.
6258 (TYPE_HASH_SIZE): Remove.
6259 (TYPE_HASH_INITIAL_SIZE): New define.
6260 (type_hash_table): Change type to htab_t.
6261 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
6262 mark_hash_entry): New functions.
6263 (init_obstacks): Allocate type hash.
6264 (type_hash_lookup): Use htab functions.
6265 (type_hash_add, mark_type_hash): Likewise.
6266 (dump_tree_statistics): Call print_type_hash_statistics.
6268 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6270 * rs6000/t-aix41: New file.
6272 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
6274 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
6276 * tm.texi (Driver): Fix typos and tweak entry for
6278 Move misplaced STRUCT_FORCE_BLK entry ...
6279 (Storage Layout): ... to here.
6280 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
6282 2000-03-19 Richard Henderson <rth@cygnus.com>
6284 * flow.c (delete_block): Delete the addr_vec along with the block.
6285 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
6288 * fold-const.c (extract_muldiv): Apply type check for defined
6289 overflow to multiply as well as divide.
6291 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
6293 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6295 * emit-rtl.c (remove_unncessary_notes): Check that all
6296 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
6297 associated NOTE_BLOCK.
6298 * function.h (identify_blocks): Update comments.
6299 (reorder_blocks): Declare.
6300 * function.c (identify_blocks): Don't take paramters.
6301 (reorder_blocks): Don't take parameters.
6302 * loop.h (find_loop_tree_blocks): Remove.
6303 (unroll_block_trees): Likewise.
6304 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
6305 reorder_blocks instead of unroll_block_trees.h
6306 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
6307 * stmt.c (find_loop_tree_blocks): Remove.
6308 (unroll_block_trees): Likewise.
6309 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
6310 in whole-function mode.
6311 * tree.h (reorder_blocks): Remove declaration.
6313 * expr.c: Include intl.h.
6314 * Makefile.in (expr.o): Depend on intl.h.
6316 2000-03-18 Richard Henderson <rth@cygnus.com>
6318 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
6320 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6322 * tree.h (tree_index): Remove enumerals for integer types.
6323 (integer_type_kind): New type.
6324 (integer_types): New variable.
6325 (char_type_node): Adjust.
6326 (signed_char_type_node): Likewise.
6327 (unsigned_char_type_node): Likewise.
6328 (short_integer_type_node): Likewise.
6329 (short_unsigned_type_node): Likewise.
6330 (integer_type_node): Likewise.
6331 (unsigned_type_node): Likewise.
6332 (long_integer_type_node): Likewise.
6333 (long_unsigned_type_node): Likewise.
6334 (long_long_integer_type_node): Likewise.
6335 (long_long_unsigned_type_node): Likewise.
6336 * tree.c (integer_types): New variable.
6337 (init_obstacks): Register it as a root.
6339 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
6341 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
6342 NEXT_INSN. Update last insn in chain.
6344 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
6346 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
6347 with TYPE_DECL_SUPPRESS_DEBUG set.
6349 2000-03-18 Richard Henderson <rth@cygnus.com>
6351 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
6353 2000-03-18 Richard Henderson <rth@cygnus.com>
6355 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
6356 care for HALF_PIC_P.
6357 (expander_call_insn_operand): Remove.
6358 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
6359 * i386.h (PREDICATE_CODES): Update.
6360 * i386.md (all call expanders): Remove predicates, remove special
6361 handling for half-pic.
6362 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
6363 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
6364 (sibcall_epilogue): New.
6366 2000-03-17 Richard Henderson <rth@cygnus.com>
6368 * rtlanal.c (single_set): Reject if the parallel has anything
6369 except SET or USE or CLOBBER.
6371 2000-03-17 Jeff Law <law@cygnus.com>
6372 Richard Henderson <rth@cygnus.com>
6374 * Makefile.in (OBJS): Add sibcall.o.
6376 * sibcall.c: New file.
6377 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
6378 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
6379 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
6380 Emit sibcall patterns when requested. Update all callers.
6381 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
6382 elimination seems feasable.
6383 * final.c (leaf_function_p): Sibling calls don't discount being
6385 * flow.c (HAVE_sibcall_epilogue): Provide default.
6386 (find_basic_blocks_1): Sibling calls don't throw.
6387 (make_edges): Make edge from sibling call to EXIT.
6388 (propagate_block): Don't remove sibcall_epilogue insns.
6389 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
6390 (sibcall_epilogue): New.
6391 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
6392 (identify_blocks_1): Likewise. Break out from ...
6393 (identify_blocks): ... here.
6394 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
6395 (reorder_blocks): ... here.
6396 (init_function_for_compilation): Zap prologue/epilogue as varrays.
6397 (record_insns): Extend a varray instead of mallocing new memory.
6398 (contains): Read a varray not array of ints.
6399 (sibcall_epilogue_contains): New.
6400 (thread_prologue_and_epilogue_insns): Emit and record
6401 sibcall_epilogue patterns.
6402 (init_function_once): Allocate prologue/epilogue varrays.
6403 * genflags.c (gen_insn): Treat sibcall patterns as calls.
6404 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
6406 (save_for_inline_nocopy): ... here.
6407 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
6409 (expand_inline_function): ... here.
6410 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
6411 (subst_constants): Handle 'n' formats.
6412 * jump.c (jump_optimize_minimal): New.
6413 (jump_optimize_1): New arg `minimal'; update callers. Elide most
6414 optimizations if it's set.
6415 * rtl.c (copy_rtx): Do copy jump & call for insns.
6416 * rtl.h (struct rtx_def): Document use of jump and call for insns.
6417 (SIBLING_CALL_P): New.
6418 (sibcall_use_t): New.
6419 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
6420 Invoke optimize_sibling_and_tail_recursive_calls.
6421 * tree.c (lang_safe_for_unsave): New.
6422 (safe_for_unsave): New.
6423 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
6425 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
6426 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
6427 (*sibcall_osf_1, *sibcall_value_osf_1): New.
6429 2000-03-17 Mark Mitchell <mark@codesourcery.com>
6431 * objc/objc-act.c (encode_method_prototype): Pass types, not
6432 PARM_DECLs, to int_size_in_bytes.
6434 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
6436 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
6438 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6439 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
6441 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6443 * Clean up usages of TREE_INT_CST_LOW.
6444 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
6445 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6447 * c-tree.h (min_precision): Move declaration to here.
6448 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
6449 (build_unary_op, add_pending_init): Use bit_position.
6450 (pending_init_member, process_init_element): Likewise.
6451 (really_start_incremental_init, push_init_level, pop_init_level):
6452 Don't make copies of nodes or modify them in place, use consistent
6453 types when tracking positions, and use tree routines computations.
6454 (set_init_index, output_init_element): Likewise.
6455 (output_pending_init_elements, process_init_element): Likewise.
6456 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
6457 tree_low_cst and int_bit_position; also minor cleanup.
6458 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
6459 (print_cst_octal): Precision is unsigned.
6460 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
6461 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
6462 (simple_type_align_in_bits): Result is unsigned int.
6463 Use tree_int_low_cst and host_integerp.
6464 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
6465 (field_byte_offset): Result is HOST_WIDE_INT.
6466 Change types of internal variables so alignments are unsigned int,
6467 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
6468 Use host_integerp, tree_low_cst, and int_bit_position.
6469 (add_bit_offset_attribute): Likewise.
6470 (add_data_member_location_attribute): Use tree_cst_low.
6471 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
6472 (add_bit_size_attribute): Use tree_low_cst.
6473 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
6474 * dwarfout.c: Similar changes to dwarf2out.c.
6475 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
6476 * genoutput.c (n_occurences): Return -1 for null string.
6477 (strip_whitespace): Accept null string and make into function.
6478 (scan_operands): Reflect above changes.
6479 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
6480 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
6481 * ssa.c (rename_registers): Add missing cast of arg to bzero.
6482 * tree.c (int_size_in_bytes): Check for too big to represent.
6483 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
6484 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
6486 (min_precision): Delete from here.
6487 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
6488 and int_bit_position.
6489 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
6490 (encode_method_def): Likewise.
6491 (build_ivar_list_initializer): Use int_bit_position.
6492 (generate_shared_structures): Convert size.
6493 (encode_type, encode_complete_bitfield): Use integer_zerop.
6494 (encode_bitfield): Use tree_low_cst and int_bit_position.
6496 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6498 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
6500 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6502 * call.c (special_function_p): It is only malloc if it returns
6505 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6507 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
6508 (C33_FLAG, TARGET_C3X): Add macros.
6509 (TARGET_SWITCHES): Add -m33 option.
6510 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
6512 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6514 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
6515 (PARALLEL_PACK_FLAG): Delete.
6516 (TARGET_SWITCHES): Update.
6517 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
6519 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6521 * fold-const.c (fold): Fix a few cases when the returned result
6522 is not of the same type as the input.
6524 2000-03-16 Nick Clifton <nickc@cygnus.com>
6526 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
6529 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6531 * libgcc2.h: Move prototypes above macros with the same name.
6532 Wrap some function prototypes in the conditional which indicates
6533 whether they are supported, i.e. "BITS_PER_UNIT == 8".
6535 2000-03-16 Richard Henderson <rth@cygnus.com>
6537 * calls.c: Revert last two changes.
6539 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
6541 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
6542 has exponent 0 is a zero.
6544 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
6545 HASH may already be nonzero. Add code/mode into hash value
6546 immediately after repeat label.
6547 (cselib_lookup): Don't leave the hash table in an inconsistent
6548 state before a hash lookup operation.
6550 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
6552 * i386.md (all HI and QI mode non-move patterns): Conditionize
6553 by TARGET_[HQ]IMODE_MATH.
6554 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6555 x86_promote_qi_regs): Declare.
6556 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
6557 TARGET_PROMOTE_QI_REGS): New macros.
6558 (PROMOTE_MODE): New macro.
6559 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6560 x86_promote_qi_regs): New global variables.
6562 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
6564 * calls.c (emit_library_call_value_1): Break out from ...; handle
6565 VOIDmode function calls too.
6566 (emit_library_call_value): ... here.
6567 (emit_library_call): Implement by calling emit_library_call_value_1.
6569 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
6571 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
6572 Update arg_space_so_far on stack adjustments.
6573 (emit_library_call, emit_library_call_value): Likewise; take into
6574 account arg_space_so_far and pending_stack_adjust when calculcating
6577 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
6579 * flow.c: Move all basic block reordering code into its own file.
6580 (create_basic_block): Externalize.
6581 * bb-reorder.c: New file. Copy all basic block reordering code from
6582 flow.c to this file.
6583 (reorder_basic_blocks): Fix fencepost error in for-loop.
6584 (reorder_basic_blocks): Remove braces from single statement for-loops.
6585 * basic-block.h: Add declaration for create_basic_block.
6586 * Makefile.in: Add rules for bb-reorder.o.
6588 2000-03-16 Neil Booth <NeilB@earthling.net>
6590 * cppinit.c (handle_option): Implement #unassert directive
6591 as -A- command line option.
6592 (print_help): Update.
6593 * cpptexi.c: Update.
6595 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
6597 * md.texi (Standard Names): Document `jump'.
6599 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6601 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
6604 2000-03-15 Geoff Keating <geoffk@cygnus.com>
6606 Merge changes from newppc-branch onto trunk.
6608 2000-03-15 Geoff Keating <geoffk@cygnus.com>
6610 * rs6000.c (toc_hash_table): Update for new hash table functions.
6611 (toc_hash_function): Likewise.
6612 (toc_hash_eq): Likewise.
6613 (toc_hash_mark_entry): Likewise.
6614 (toc_hash_mark_table): Likewise.
6615 (output_toc): Likewise.
6616 (rs6000_add_gc_roots): Likewise.
6618 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6620 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
6621 (AR_FLAGS_FOR_TARGET): here. New macro.
6623 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
6625 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
6626 fpmem_operand) Delete.
6628 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
6629 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
6630 (rs6000_save_machine_status, rs6000_restore_machine_status,
6631 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
6632 references to above variables.
6633 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
6634 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
6635 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
6636 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
6637 (XER_REGNO_P, XER_REGNO): New.
6638 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
6639 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
6640 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
6642 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6643 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
6644 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
6646 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6648 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
6649 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
6650 * rs6000.h: from here.
6652 * rs6000-protos.h (rs6000_select_section): Provide prototype.
6653 (rs6000_select_rtx_section): Likewise.
6654 (rs6000_encode_section_info): Likewise.
6655 (sdata_section): Likewise.
6656 (sdata2_section): Likewise.
6657 (sbss_section): Likewise.
6658 * sysv4.h (rs6000_select_section): Delete prototype.
6659 (rs6000_select_rtx_section): Likewise.
6660 (rs6000_encode_section_info): Likewise.
6661 (sdata_section): Likewise.
6662 (sdata2_section): Likewise.
6663 (sbss_section): Likewise.
6664 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
6666 * sysv4.h: Delete various unnecessary #undef's and put a comment
6667 on the remaining ones.
6668 Change various comments according to coding standard.
6670 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
6672 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
6673 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
6674 (CR0_REGNO_P) Remove.
6675 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
6676 setup_incoming_varargs, mtcrf_operation, print_operand,
6677 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
6678 Use the above macros.
6680 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
6682 * config/rs6000/rs6000.md: Added a new alternative for each
6683 pattern that had a 'x' alternative but no 'y' alternative.
6684 Added a new split for each of the above patterns.
6686 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6688 * aix41.h (ASM_CPU_SPEC): Delete.
6689 (CPP_CPU_SPEC): Delete.
6691 * aix.h (RS6000_OUTPUT_BASENAME): Define.
6692 (ASM_OUTPUT_LABEL): Define.
6693 (ASM_GLOBALIZE_LABEL): Define.
6694 (STRIP_NAME_ENCODING): Define.
6695 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
6696 (STRIP_NAME_ENCODING): Don't define.
6697 (ASM_OUTPUT_LABEL): Don't define.
6698 (ASM_GLOBALIZE_LABEL): Don't define.
6699 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
6700 names, and ASM_OUTPUT_LABEL to output labels, rather than
6702 (ASM_OUTPUT_LABEL): Define.
6703 (ASM_OUTPUT_INT): Use assemble_name.
6704 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
6705 (STRIP_NAME_ENCODING): Don't undefine first.
6706 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
6708 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
6709 specified with 'asm' even with -fleading-underscore.
6710 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
6711 (output_epilog): Likewise.
6712 (output_toc): Likewise.
6713 * tramp.asm: Handle -fleading-underscore correctly.
6715 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
6717 (nonlocal_goto_receiver): Delete.
6718 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
6720 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
6721 (SET_ASM_OP): Define.
6722 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
6724 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
6727 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
6728 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
6730 * rs6000.h: Add 'u' to more constants.
6732 2000-02-18 David Edelsohn <edelsohn@gnu.org>
6734 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
6736 2000-02-15 David Edelsohn <edelsohn@gnu.org>
6738 * rs6000.c (reg_or_u_cint_operand): New function.
6739 (logical_operand): Handle 64-bit hosts.
6740 (logical_u_operand): New function.
6741 (non_logical_cint_operand): Handle 64-bit hosts.
6742 (non_logical_u_cint_operand): New function.
6743 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
6744 (PREDICATE_CODES): Define new functions.
6745 * rs6000-protos.h: Declare new functions.
6746 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
6747 (movdi_64): Bracket code intended for 64-bit hosts. Create
6748 CONST_DOUBLE for 32-bit values.
6749 (scc insns): Generate DImode compares.
6750 (mfcr insns): Create DImode versions.
6751 (sge matchers): New patterns.
6753 2000-02-15 Gabriel Paubert <paubert@iram.es>
6755 * rs6000.md: Correct instructions length attributes and
6756 constraints on unsigned compare instructions.
6757 (*ne0): Disable for PowerPC64.
6759 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6761 * rs6000.c (output_function_profiler): Use .long for a 32-bit
6762 quantity, fix profile1.C test failure under -fPIC.
6764 * rs6000.c: Add 'u' to many constants to suppress warnings.
6765 (constant_pool_expr_1): Make static.
6766 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
6767 * rs6000.h: Add 'u' to many constants to suppress warnings.
6769 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
6770 for the start of the TOC, instead of LCTOC..0.
6771 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
6773 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
6774 (load_toc_aix_di): Use LCTOC..1.
6776 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
6777 * rs6000.c (rs6000_legitimize_address): New function from
6778 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
6779 symbols in the constant pool that really are TOC references.
6780 (print_operand_address): For ELF, write TOC offsets under
6781 -fPIC as subtractions in the insn.
6782 (output_toc): For ELF, define symbols in TOC as normal labels,
6784 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
6785 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
6786 (create_TOC_reference): Prototype only when RTX_CODE is defined.
6787 * rs6000.md (movsi): Only use create_TOC_reference on
6788 symbols in the constant pool that really are TOC references.
6790 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
6791 * rs6000.c (rs6000_reorg): Delete.
6792 * rs6000-protos.h (rs6000_reorg): Delete.
6794 2000-02-09 Geoff Keating <geoffk@cygnus.com>
6796 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
6798 * aix.h (SETUP_FRAME_ADDRESSES): Define.
6799 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
6800 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
6801 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
6802 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
6803 rs6000_aix_emit_builtin_unwind_init.
6804 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
6805 rs6000_emit_eh_toc_restore on AIX.
6806 (return_eh_si): Use r2.
6807 (return_eh_di): Use r2.
6809 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
6810 since we're breaking binary compatibility anyway.
6812 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6814 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
6815 constant_pool_expr_p): Declare them.
6816 (constant_pool_expr_p): Declare it.
6817 * config/rs6000/rs6000.c (toc_label_name): Define.
6818 (rs6000_override_options): Set toc_label_name.
6819 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
6820 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
6821 uses_TOC): New functions.
6822 (print_operand): Delete old '*' case.
6823 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
6824 and strip off rtl for TOC before calling output_addr_const.
6825 (rs6000_emit_load_toc_table): Use toc_label_name.
6826 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
6828 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
6829 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
6830 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
6831 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
6832 into explicit TOC_REGISTER offsets.
6833 (TOC_REGISTER): New macro.
6834 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
6835 TARGET_TOC to reference TOC_REGISTER.
6836 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
6837 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
6838 uses_TOC before emitting label references.
6840 2000-02-05 Geoff Keating <geoffk@cygnus.com>
6842 * rs6000.md (stack_tie): Fix warning.
6844 * eabi-ctors.c: Use 'asm' names for the start/end variables,
6845 to handle -fleading-underscore.
6846 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
6847 (USER_LABEL_PREFIX): New macro.
6848 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
6849 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
6850 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
6851 call-linux can use the same multilibs.
6852 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
6853 and call-linux multilibs. Do multilib with -fleading-underscore.
6854 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
6855 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
6858 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
6859 have MASK_SOFT_FLOAT set.
6860 (CPP_FLOAT_DEFAULT_SPEC): New macro.
6861 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
6862 CPP_FLOAT_DEFAULT_SPEC.
6864 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
6865 * rs6000.md: Whitespace change.
6866 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
6867 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
6869 2000-02-05 Geoff Keating <geoffk@cygnus.com>
6871 * rs6000.md (eh_epilogue): New expander.
6872 (eh_reg_restore): New expand/split/insn combination.
6873 (return_eh_si): New insn.
6874 (return_eh_di): New insn.
6876 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
6877 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
6878 * eabi-ctors.c (__do_global_ctors): Register this object's
6879 frame. Clean up. Call atexit() after the constructors.
6880 (__do_global_dtors): Deregister this object's frame. Clean up.
6881 Allow for recursive calls to exit().
6882 * rs6000.c (fixuplabelno): New variable.
6883 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
6884 TARGET_RELOCATABLE, it slows down exec() under linux.
6885 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
6887 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
6888 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
6889 (ASM_OUTPUT_DWARF_DELTA2): New macro.
6890 (ASM_OUTPUT_DWARF_DELTA4): New macro.
6891 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
6892 (ASM_OUTPUT_DWARF_ADDR): New macro.
6893 (ASM_OUTPUT_DWARF_DATA4): New macro.
6894 (ASM_OUTPUT_DWARF_DATA2): New macro.
6895 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
6896 (ASM_OUTPUT_DWARF_OFFSET): New macro.
6897 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
6899 2000-02-03 Geoff Keating <geoffk@cygnus.com>
6901 * rs6000.c (rs6000_sr_alias_set): New variable.
6902 (rs6000_override_options): Initialise rs6000_sr_alias_set.
6903 (rs6000_emit_stack_tie): New function.
6904 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
6905 in a way that dwarf2out can understand.
6906 (rs6000_frame_related): New function.
6907 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
6908 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
6909 Use rs6000_emit_stack_tie when needed.
6910 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
6911 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
6912 * rs6000.md (stack_tie): New insn.
6913 (return_internal_si): Allow return value to be in the count
6915 (return_internal_di): Likewise.
6917 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
6919 2000-02-03 Geoff Keating <geoffk@cygnus.com>
6921 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
6923 2000-01-31 Geoff Keating <geoffk@cygnus.com>
6925 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
6927 * rs6000.md (stmw): Use the right POWER opcode.
6930 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6932 * rs6000-protos.h: New file.
6934 * rs6000.c: Include tm_p.h. Fix compile time warnings.
6936 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
6939 * sysv4.h: Likewise.
6941 2000-01-28 Geoff Keating <geoffk@cygnus.com>
6943 * ../../configure.in: Delete powerpcle-*-winnt*
6944 and powerpcle-*-pe|powerpcle-*-cygwin*.
6945 * ../../configure: Regenerated.
6947 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
6948 (TARGET_WINDOWS_NT): Delete.
6950 (CALL_NT_DLLIMPORT): Delete.
6951 Delete NT-specific code.
6952 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
6955 * nt-ci.asm: Delete.
6956 * nt-cn.asm: Delete.
6957 * ntstack.asm: Delete.
6959 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6961 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
6962 (ASM_FILE_START): Likewise.
6963 (ASM_DECLARE_FUNCTION_NAME): Likewise.
6964 (ASM_OUTPUT_LABELREF): Likewise.
6965 (ASM_OUTPUT_SKIP): Likewise.
6966 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
6967 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6968 (ASM_OUTPUT_CASE_LABEL): Likewise.
6969 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
6970 (ASM_OUTPUT_ASCII): Likewise.
6972 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
6974 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
6975 reload_toc_labelno for non-prologue TOC reloads. Also, don't
6976 increment rs6000_pic_labelno here.
6977 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
6978 and increment rs6000_pic_labelno here.
6980 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
6982 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
6983 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
6984 allocation knows (reg) is dead before the insn.
6986 2000-01-21 Geoff Keating <geoffk@cygnus.com>
6988 * rs6000.md (movsi_to_cr): Correct typo in output template.
6990 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6992 * rs6000.c (rs6000_pic_labelno): Always define.
6993 (rs6000_pic_func_labelno): Delete.
6994 (lmw_operation): Check for a zero base register,
6995 which doesn't mean what we want.
6996 (stmw_operation): New function.
6997 (print_operand): Define new 'l' modifier.
6998 (rs6000_stack_info): We must save all 64 bits of the registers
6999 if TARGET_POWERPC64.
7000 (rs6000_output_load_toc_table): Delete.
7001 (rs6000_emit_load_toc_table): New function.
7002 (rs6000_allocate_stack_space): Delete.
7003 (rs6000_emit_allocate_stack): New function.
7004 (rs6000_emit_prologue): New function.
7005 (output_prolog): Use rs6000_emit_prologue.
7006 (rs6000_emit_epilogue): Change a few variable names to be
7007 more accurate. Restore all 64 bits of the registers if
7008 TARGET_POWERPC64. Only restore the FP registers which were used
7009 if they are being saved/restored one-at-a-time.
7010 (output_mi_thunk): Delete inefficient code generation.
7011 (output_function_profiler): Don't use rs6000_output_load_toc_table.
7012 * rs6000.h: Declare rs6000_emit_load_toc_table,
7013 rs6000_allocate_stack_space, stmw_operation. Don't declare
7014 rs6000_output_load_toc_table.
7015 * rs6000.md (elf_high): Allow register 0, but discourage it
7017 (elf_low): Support loading into register 0.
7018 (load_toc_aix_si): New pattern.
7019 (load_toc_aix_di): New pattern.
7020 (load_toc_v4_pic_si): New pattern.
7021 (load_toc_v4_pic_di): New pattern.
7022 (load_toc_v4_PIC_1): New pattern.
7023 (load_toc_v4_PIC_1b): New pattern.
7024 (load_toc_v4_PIC_2): New pattern.
7025 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
7026 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
7027 (prologue): New expander.
7028 (movesi_from_cr): New pattern.
7029 (stmw): New pattern.
7030 (save_fpregs_si): New pattern.
7031 (save_fpregs_di): New pattern.
7033 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7035 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
7040 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7042 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
7044 (movsi_got_internal): Likewise.
7045 (movsi_got_internal+1): Likewise.
7046 (set_sp): 'unspec 7' does a SImode clobber.
7048 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7050 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
7051 allocate a stack temporary.
7052 (floatsidf2_internal): Likewise.
7053 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
7055 (floatunssidf2): Don't use the fpmem "register", just
7056 allocate a stack temporary.
7057 (floatunssidf2_internal): Likewise.
7058 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
7060 (floatsidf2_loadaddr): Delete.
7061 (floatsidf2_store1): Delete.
7062 (floatsidf2_store2): Delete.
7063 (floatsidf2_load): Delete.
7064 (fix_truncdfsi2): Don't use the fpmem "register", just
7065 allocate a stack temporary.
7066 (fix_truncdfsi2_internal_si): Delete.
7067 (fix_truncdfsi2_internal_di): Delete.
7068 (fix_truncdfsi2_internal): New insn.
7069 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
7070 (fix_truncdfsi2_store): Delete.
7071 (fix_truncdfsi2_load): Delete.
7072 (fctiwz): Produce gen_fctiwz.
7074 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7076 * eabi.h (INVOKE__main): Define.
7077 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
7079 (rs6000_emit_prologue): Likewise.
7080 * rs6000.h (struct rs6000_stack): Don't keep track of whether
7081 this is the main program.
7083 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7085 * rs6000.c (rs6000_va_arg): Delete some unused variables.
7087 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7089 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
7090 goes after the argument.
7092 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7094 * rs6000.md: Document 'unspec' values used.
7095 (epilogue): New expander.
7096 (movesi_to_cr_one): New expander.
7097 (movesi_to_cr and following): New pattern.
7099 (return_internal_si): New pattern.
7100 (return_internal_di): New pattern.
7101 (return_and_restore_fpregs_si): New pattern.
7102 (return_and_restore_fpregs_di): New pattern.
7103 * rs6000.h: Declare new functions.
7104 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
7105 rather than rs6000_calls_p.
7106 (rs6000_makes_calls): Delete.
7107 (lmw_operation): New function.
7108 (mtcrf_operation): New function.
7109 (rs6000_emit_epilogue): New function.
7110 (output_epilog): Call rs6000_emit_epilogue and final if
7111 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
7113 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7115 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
7116 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
7117 * aix.h (SUBTARGET_SWITCHES): Document switches.
7118 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
7119 sched-prolog and sched-epilog the same. Document all the
7121 (TARGET_OPTIONS): No longer allow -mdebug-.
7123 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7125 * rs6000.h (ASM_FILE_END): Move to aix.h.
7126 (EXTRA_SECTIONS): Move to aix.h.
7127 (READONLY_DATA_SECTION): Move to aix.h.
7128 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
7129 (SELECT_SECTION): Move to aix.h.
7130 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
7131 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
7132 (LINK_REGISTER_REGNUM): New definition.
7133 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
7134 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
7136 * sysv4.h: Delete the code between the inclusion of rs6000.h
7138 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
7139 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
7140 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
7141 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
7142 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
7143 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
7144 (fix_truncdfsi2_internal_di): New pattern.
7145 (fix_truncdfsi2_store): The second arg here is Pmode too.
7146 (fix_truncdfsi2_load): The second arg here is Pmode too.
7147 (tablejumpdi): Now that switch tables hold only SImode values,
7148 gcc needs to know how to add them to the pc which is DImode.
7149 * rs6000.c (rs6000_stack_info): Use symbolic name for
7150 LINK_REGISTER_REGNUM.
7151 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
7152 (output_toc): Delete unused variables s1 and s2.
7153 (output_ascii): Use fputs not fprintf on a variable string.
7155 2000-01-07 David Edelsohn <edelsohn@gnu.org>
7157 * rs6000.c (processor_target_table): Add power3 as alias for 630.
7158 * aix43.h: Revert Aug 2 change.
7159 (HAS_INIT_SECTION): Define, not visible yet.
7160 (LD_INIT_SWITCH): Define, not visible yet.
7161 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
7163 2000-01-04 Joel Sherrill (joel@OARcorp.com>
7165 * config/rs6000/rtems.h: Include config/rtems.h.
7167 2000-01-04 David Edelsohn <edelsohn@gnu.org>
7169 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
7170 (SLOW_UNALIGNED_ACCESS): Define.
7171 (CASE_VECTOR_MODE): Always use 32-bit offsets.
7172 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
7173 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
7174 (toc_section): Likewise and .toc pseudo-op.
7175 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
7177 (TEXT_SECTION_ASM_OP): Likewise.
7178 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
7181 1999-12-17 Jakub Jelinek <jakub@redhat.com>
7183 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
7184 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
7187 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7189 * rs6000.h: Move more stuff from here...
7191 * sysv4.h: Cleanup accordingly.
7192 * netware.h: Likewise
7194 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7196 * rs6000.h: Continue cleanup.
7199 * netware.h: Likewise.
7201 * sysv4.h: Likewise.
7202 * win-nt.h: Likewise.
7204 * rs6000.h (TARGET_SWITCHES): Add descriptions.
7205 (TARGET_OPTIONS): Likewise.
7207 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
7208 (SUBTARGET_OPTIONS): Likewise.
7210 * rs6000.md: Fix compile time warnings.
7212 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7214 vxworks patches from the Cygnus tree originally by
7215 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
7216 <vmakarov@cygnus.com>.
7217 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
7218 (ENDFILE_SPEC): Likewise.
7219 (LIB_VXWORKS_SPEC): New macro.
7220 (STARTFILE_VXWORKS_SPEC): New macro.
7221 (ENDFILE_VXWORKS_SPEC): New macro.
7222 (LINK_START_VXWORKS_SPEC): New macro.
7223 (LINK_OS_VXWORKS_SPEC): New macro.
7224 (CPP_OS_VXWORKS_SPEC): New macro.
7225 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
7226 * vxppc.h: Rewrite to use proper configuration method.
7227 * vxppcle.h: New file.
7228 * ../../configure.in: Add powerpcle-wrs-vxworks*.
7229 * ../../configure: Rebuilt.
7231 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7233 Lots of changes to rs6000.h, sysv4.h, aix.h,
7234 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
7235 with the aim that rs6000.h is the first header
7236 included and the others override it.
7239 * x-aix41-gld: Remove.
7241 * x-aix41: Remove target-specific switches, and don't specify
7242 -Wl,-bbigtoc as we don't need it any more.
7243 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
7244 Use t-aix43 for AIX 4.3 and above.
7245 * ../../configure: Regenerated.
7247 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
7248 options, that don't do anything yet.
7249 (MASK_SCHED_PROLOG): New macro.
7250 (MASK_SCHED_EPILOG): New macro.
7251 (TARGET_SCHED_PROLOG): New macro.
7252 (TARGET_SCHED_EPILOG): New macro.
7254 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7256 * rs6000.c: Correct comment, the `minimal' TOCs are actually
7257 one per translation unit, not one per function.
7258 (output_toc): Also do duplicate constant elimination
7259 for per-translation-unit TOCs.
7261 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
7262 a comment explaining _exactly_ when this pattern gets used.
7263 (builtin_setjmp_receiver): New pattern for better clarity.
7264 (init_v4_pic): Move it into a section dealing with TOC registers.
7266 1999-12-30 Geoff Keating <geoffk@cygnus.com>
7268 * rs6000.c (toc_hash_table): New variable.
7269 (rs6000_hash_constant): New function.
7270 (toc_hash_function): New function.
7271 (toc_hash_eq): New function.
7272 (toc_hash_mark_entry): New function.
7273 (toc_hash_mark_table): New function.
7274 (output_toc): Don't output duplicate TOC entries in
7276 (rs6000_add_gc_roots): Add the hash table as a GC root.
7277 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
7278 where they clearly shouldn't be. This may need to be fixed
7279 later when there is a GNU ar for AIX.
7280 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
7281 Don't define BOOT_LDFLAGS as it is now not necessary.
7283 1999-12-29 Geoff Keating <geoffk@cygnus.com>
7285 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
7286 for va_list on AIX. Use unsigned_char_type_node rather than
7287 constructing our own version on svr4.
7289 1999-12-17 Geoff Keating <geoffk@cygnus.com>
7291 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
7292 since patently it's not.
7294 1999-12-08 Geoff Keating <geoffk@cygnus.com>
7296 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
7297 define_expand/define_insn pair, and handle restore of the
7298 SVR4 -fpic register.
7300 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
7302 * acconfig.h (HAVE_GAS_WEAK): New define.
7303 * configure.in (assembler weak support): Check for .weak support.
7304 * config.in, configure: Rebuilt.
7305 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
7306 HAVE_GAS_WEAK is defined.
7308 2000-03-15 Nick Clifton <nickc@cygnus.com>
7310 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
7313 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
7315 * cppfiles.c (open_include_file): New function.
7316 (find_include_file, cpp_read_file): Use it.
7318 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7320 * cpphash.c (dump_hash_helper): Take the slot, not the element.
7322 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
7324 * flow.c (verify_flow_info): Check for unconditional return.
7326 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
7328 * config/ia64/ia64.md (restore_stack_nonlocal): New.
7329 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
7330 (__ia64_restore_stack_nonlocal): New.
7331 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
7333 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7335 * cpphash.c (collect_formal_parameters): Do not complain about
7336 parameter names that just start with `__VA_ARGS__'.
7338 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
7340 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
7341 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
7342 * i386.c (pentiumpro_cost): Set mul cost to 4.
7343 (x86_use_movx): Set for PPro.
7345 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
7347 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
7348 STACK_BOUNDARY for empty frames now.
7350 2000-03-14 Mark Mitchell <mark@codesourcery.com>
7352 * stor-layout.c (layout_union): Remove.
7353 (layout_union_field): New function, split out from layout_union.
7354 (finish_union_layout): Likewise.
7355 (layout_field): Handle unions by calling layout_union_field.
7356 (finish_record_layout): Handle unions.
7357 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
7358 QUAL_UNION_TYPE handling.
7360 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
7362 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
7363 end of basic block is jump_insn, not barrier; use create_basic_block
7364 instead of creating basic block by hand.
7366 2000-03-14 Jason Eckhardt <jle@cygnus.com>
7368 * flow.c (reorder_basic_blocks): Account for barriers when writing
7369 over NEXT_INSN (last_bb->end).
7370 (verify_flow_info): Add check for missing barriers.
7372 2000-03-14 Greg McGary <gkm@gnu.org>
7374 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
7375 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
7376 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
7377 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
7378 __unbounded, __unbounded__): New keywords.
7379 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
7380 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
7381 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
7383 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
7385 * cselib.h: New file.
7386 * alias.c: Include "cselib.h".
7387 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
7388 MEMs as two new arguments.
7389 (get_addr): New static function.
7390 (find_base_term): Handle VALUEs.
7391 (memrefs_conflict_p): Likewise.
7392 (true_dependence): Call get_addr on the addresses.
7393 Call fixed_scalar_and_varying_struct_p with addresses that have been
7394 passed through get_addr and canon_rtx.
7395 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
7396 with true_dependence.
7397 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
7398 * loop.c: Include "cselib.h".
7399 (load_mems): Process extended basic block that enters the loop with
7400 cselib. Use that information to change initialization of the shadow
7401 register so that a constant equivalence is seen by later passes.
7402 * reload1.c: Include "cselib.h".
7403 (reload_cse_invalidate_regno): Delete function.
7404 (reload_cse_mem_conflict_p): Likewise.
7405 (reload_cse_invalidate_mem): Likewise.
7406 (reload_cse_invalidate_rtx): Likewise.
7407 (reload_cse_regno_equal_p): Likewise.
7408 (reload_cse_check_clobber): Likewise.
7409 (reload_cse_record_set): Likewise.
7410 (reg_values): Delete static variable.
7411 (invalidate_regno_rtx): Likewise.
7412 (reload_cse_delete_noop_set): New static function.
7413 (reload_cse_simplify): New static function, broken out of
7415 (reload_cse_noop_set_p): Delete unused argument INSN.
7416 Just call rtx_equal_for_cselib_p on set source and destination.
7417 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
7418 reload_cse_delete_noop_set. Delete code to keep track of values; use
7419 cselib functions instead. Delete code to push/pop obstacks.
7420 (reload_cse_simplify_set): Use cselib to find equivalent values.
7421 Delete code to push/pop obstacks.
7422 (reload_cse_simplify_operands): Likewise.
7423 * rtl.def (VALUE): New rtx code.
7424 * rtl.h (union rtunion_def): New elt rt_cselib.
7425 (X0CSELIB, CSELIB_VAL_PTR): New macros.
7426 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
7427 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
7428 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
7429 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
7430 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
7431 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
7432 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
7433 cselib_record_set, cselib_record_sets): New static functions.
7434 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
7435 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
7436 references_value_p): New functions.
7437 (MAX_USELESS_VALUES, REG_VALUES): New macros.
7438 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
7439 n_useless_values, reg_values, callmem, cselib_obstack,
7440 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
7441 New static variables.
7442 * varray.h (union varray_data_tag): New elt te.
7443 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
7444 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
7447 2000-03-14 Nick Clifton <nickc@cygnus.com>
7449 * gcc.c (do_spec_1): Catch the case where %* is used in a
7450 substitution pattern, but it has not been initialised.
7451 Issue a meaningful error message if an unrecognised operator
7452 is encountered in a spec string.
7454 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
7456 * function.c (prepare_function_start): Correctly initialize
7457 cfun->stack_alignment_needed.
7459 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
7461 * cppfiles.c (find_include_file): Don't assume nshort is a
7464 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
7466 * configure.in (hppa configurations): Add pa32-regs.h to the
7467 list of tm files as appropriate.
7468 * configure: Rebuilt.
7469 * pa.c (compute_frame_size): Remove explicit knowledge about FP
7471 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
7472 (fmpyaddoperands, fmpysuboperands): Likewise.
7473 * pa.h: Remove various definitions which depend on knowing
7474 how registers are numbered.
7475 * pa32-regs.h: New file with PA32 register numbering specific
7478 2000-03-14 Richard Henderson <rth@cygnus.com>
7480 * regmove.c (combine_stack_adjustments): New.
7481 (stack_memref_p, single_set_for_csa): New.
7482 (free_csa_memlist, record_one_stack_memref): New.
7483 (try_apply_stack_adjustment): New.
7484 (combine_stack_adjustments_for_block): New.
7485 * rtl.h (combine_stack_adjustments): Declare.
7486 * toplev.c (rest_of_compilation): Call it.
7488 * i386.md: Revert 2000-01-16 change.
7490 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7492 * gccbug.in: Add web category, gcc specific classes.
7494 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
7496 * stor-layout.c (finalize_record_size): Fix typo.
7498 2000-03-14 Stan Shebs <shebs@apple.com>
7500 * c-typeck.c (c_alignof): Error on incomplete types.
7501 * extend.texi (Alignment): Document this.
7503 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7505 * cppfiles.c: Include mkdeps.h.
7506 (find_include_file, read_include_file): Remove _cpp_ prefix
7507 from name, make static.
7508 (_cpp_execute_include): New function, broken out of
7511 * cpplib.c: Don't include mkdeps.h.
7512 (struct directive): Remove type field. Reorder entries. The
7513 function takes only one argument.
7514 (struct if_stack): Make type field an int.
7515 (directive_table): Rename to dtable. Generate it, the
7516 prototypes of the directive handlers, and the enum for the
7517 directive numbers, from a template macro.
7518 (do_ifndef, do_include_next, do_import): New functions.
7519 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
7520 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
7521 do_ident, do_assert, do_unassert, do_sccs): Take only one
7523 (do_sccs): Define always, but alter behavior based on
7525 (_cpp_handle_directive, consider_directive_while_skipping):
7526 Restructure for new directive table layout.
7528 (pass_thru_directive): Take a directive number, not a pointer
7529 to a struct directive.
7530 (parse_include): New function, broken out of do_include.
7531 (do_include, do_import, do_include_next): Use parse_include
7532 and _cpp_execute_include.
7533 (do_elif, do_else): Test for T_ELSE specifically when checking
7534 for #elif/#else after #else.
7535 (parse_ifdef): New function, broken out of do_ifdef.
7536 (validate_else): Expect a name arg without a leading #.
7537 (if_directive_name): Delete.
7538 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
7539 directive handlers with only one argument.
7541 * cpphash.h: Update prototypes.
7542 (enum node_type): Remove entries for directives.
7543 * Makefile.in: Update dependencies.
7545 * cpphash.c (dump_hash_helper): Only dump nodes of type
7546 T_MACRO. Emit a newline after each definition.
7548 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7550 * gccbug.in: New file.
7551 * configure.in (all_outputs): Add gccbug.
7552 * Makefile.in (install-common): Install gccbug.
7553 (GCCBUG_INSTALL_NAME): New variable.
7554 * configure: Rebuilt.
7556 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7558 * function.c (put_var_into_stack): Use type_for_mode to calculate
7559 part_type. Use MEM_SET_IN_STRUCT_P.
7560 * expr.c (store_field): Handle CONCAT.
7561 (store_constructor): Use fields_length.
7562 * tree.c (fields_length): New fn.
7563 * tree.h: Declare it.
7565 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7567 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
7568 (cpplex.o): New target.
7569 * po/POTFILES.in: Add cpplex.c.
7571 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
7572 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
7573 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
7574 skip_block_comment, skip_line_comment, skip_comment,
7575 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
7576 _cpp_parse_name, skip_string, parse_string,
7577 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
7578 _cpp_get_directive_token, find_position,
7579 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
7580 (maybe_macroexpand, _cpp_lex_token): New functions.
7582 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
7583 parse_goto_mark): Delete.
7584 (_cpp_handle_eof): New function.
7585 (_cpp_handle_directive): Rename from handle_directive.
7586 (_cpp_output_line_command): Rename from output_line_command.
7587 (do_if, do_elif): Call _cpp_parse_expr directly.
7588 * cppfiles.c (_cpp_read_include_file): Don't call
7589 init_input_buffer here.
7590 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
7591 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
7592 here; pop the token_buffer and skip the rest of the line here.
7593 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
7596 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
7598 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
7599 CPP_GOTO_MARK): New macros.
7600 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
7601 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
7602 _cpp_read_and_prescan, _cpp_init_input_buffer,
7603 _cpp_grow_token_buffer, _cpp_get_directive_token,
7604 _cpp_handle_directive, _cpp_handle_eof,
7605 _cpp_output_line_command): Prototype them here.
7606 * cpplib.h (enum cpp_token): Add CPP_MACRO.
7607 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
7608 quote_string, output_line_command): Remove.
7610 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
7612 * stmt.c (expand_end_case): RANGE may be signed, and when checking
7613 whether it is too large we must also verify that it isn't negative.
7615 2000-03-13 Jakub Jelinek <jakub@redhat.com>
7617 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
7618 (movsi_zero_liveg0): Remove.
7619 (movsf_insn_novis_liveg0): Remove.
7621 (negsi2_not_liveg0): Rename to negsi2.
7622 (one_cmplsi2): Remove.
7623 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
7624 (one_cmplsi2_liveg0): Remove.
7625 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
7626 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
7627 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
7628 (PREDICATE_CODES): Remove zero_operand.
7629 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
7630 TARGET_BROKEN_SAVERESTORE.
7631 (zero_operand): Remove.
7632 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
7633 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
7635 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
7636 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7637 TARGET_BROKEN_SAVERESTORE): Remove.
7638 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7640 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7642 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7645 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
7647 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7649 * cpplib.c (do_pragma_implementation): Fix off-by-one error
7650 truncating a string. Don't assume tokens are nul terminated.
7651 Problem noted by Andreas Jaeger <aj@suse.de>
7653 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7655 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
7656 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
7657 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
7659 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
7661 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
7662 STRUCTURE_SIZE_BOUNDARY.
7664 2000-03-13 Mark Mitchell <mark@codesourcery.com>
7666 * tree.h (record_layout_info_s): New structure.
7667 (record_layout_info): New type.
7668 (new_record_layout_info): New function.
7669 (layout_field): Likewise.
7670 (finish_record_layout): Likewise.
7671 * stor-layout.c (layout_record): Remove.
7672 (new_record_layout_info): New function.
7673 (layout_field): New function, broken out from layout_record.
7674 (finalize_record_size): Likewise.
7675 (compute_record_mode): Likewise.
7676 (finalize_type_size): New function, broken out from layout_type.
7677 (finish_record_layout): Likewise.
7678 (layout_type): Use them.
7680 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
7682 * cpphash.c: Don't include version.h.
7683 (special_symbol) [case T_VERSION]: Look for the string in
7684 hp->value.cpval; don't use version_string.
7685 * cppinit.c (initialize_builtins): Set hp->value.cpval for
7686 __VERSION__ to version_string.
7687 * Makefile.in (cpphash.o): Update deps.
7689 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
7691 Convert cpplib to use libiberty/hashtab.c.
7693 * cpplib.h (struct cpp_reader): Make hashtab and
7694 all_include_files of type 'struct htab *'. Delete HASHSIZE
7695 and ALL_INCLUDE_HASHSIZE macros.
7697 * cpphash.h: Update prototypes.
7698 (struct hashnode): Remove next, prev, and bucket_hdr members.
7699 Make length a size_t. Add hash member.
7700 (struct ihash): Remove next member. Add hash member. Make
7701 name a flexible array member.
7703 * cppfiles.c: Include hashtab.h.
7704 (include_hash): Delete.
7705 (IHASHSIZE): New macro.
7706 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
7707 (cpp_included): Do the hash lookup here.
7708 (_cpp_find_include_file): Rewrite.
7709 (cpp_read_file): Put the "fake" hash entry into the hash
7710 table. Honor the control_macro, if it turns out we've seen
7711 the file before. Don't push the buffer here.
7712 (_cpp_read_include_file): Push the buffer here.
7713 (OMODES): New macro. Use it whenever we call open(2).
7715 * cpphash.c: Include hashtab.h.
7716 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
7717 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
7718 _cpp_lookup_slot): New functions.
7719 (HASHSIZE): new macro.
7720 (hashf, _cpp_install, _cpp_delete_macro): Delete.
7721 (_cpp_lookup): Use hashtab.h routines.
7723 * cppinit.c: Include hashtab.h.
7724 (cpp_reader_init): Call _cpp_init_macro_hash and
7725 _cpp_init_include_hash. Don't allocate hashtab directly.
7726 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
7727 pfile->all_include_files.
7728 (initialize_builtins): Use _cpp_make_hashnode and
7729 htab_find_slot to add hash entries.
7730 (cpp_finish): Just call _cpp_dump_macro_hash.
7731 * cpplib.c: Include hashtab.h.
7732 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
7733 create hash entries.
7734 (do_pragma_poison, do_assert): Likewise.
7735 (do_include): Don't push the buffer here. Don't increment
7736 system_include_depth unless _cpp_read_include_file succeeds.
7737 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
7739 (do_pragma_implementation): Use alloca to create copy.
7741 * Makefile.in: Update dependencies.
7743 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7745 * cppinit.c (cl_directive_handler): More K&R fixing.
7747 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
7749 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
7751 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
7753 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7755 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
7756 Change from char[] to macros.
7758 2000-03-12 Neil Booth <NeilB@earthling.net>
7760 * cppinit.c (cpp_start_read): Update indirect function
7763 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
7765 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
7768 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7769 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
7771 2000-03-11 Neil Booth <NeilB@earthling.net>
7773 * cppinit.c (struct pending option): Replace undef with a
7774 pointer to a directive handling routine.
7775 (struct cpp_pending): Replace separate assert_ and define_
7776 lists with one directive_ list.
7777 (new_pending_define): Rename new_pending_directive. Extra
7778 argument is the directive's handling routine.
7779 (handle_option): Update to use new_pending_directive.
7781 2000-03-11 Neil Booth <NeilB@earthling.net>
7783 * cppfiles.c (file_cleanup, _cpp_find_include_file,
7784 remap_filename, _cpp_read_include_file, actual_directory,
7785 hack_vms_include_specification): Replace bcopy(), index() etc
7786 calls. Add casts to some allocations. Make some variables
7787 pointers to const [unsigned] char.
7788 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
7789 collect_formal_parameters): Similarly.
7790 * cppinit.c (struct pending_option, append_include_chain,
7791 cpp_options_init, cpp_reader_init, initialize_standard_includes,
7792 cpp_start_read, new_pending_define, handle_option): Similarly.
7793 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
7794 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
7795 do_pragma_implementation, detect_if_not_defined,
7796 do_ifdef, skip_if_group, cpp_get_token, parse_string,
7797 do_assert, do_unassert): Similarly.
7798 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
7799 function prototypes.
7800 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
7802 2000-03-10 Richard Henderson <rth@cygnus.com>
7804 * builtins.c (expand_builtin_strlen): Revert last change.
7805 Use emit_insn_before if we're at the beginning of a sequence.
7807 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
7809 * builtins.c (expand_builtin_strlen): Make sure that we have something
7810 at the beginning of the sequence.
7812 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
7815 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
7817 2000-03-10 Richard Henderson <rth@cygnus.com>
7819 * except.c (can_throw): Use INTVAL on a CONST_INT.
7820 (reachable_handlers): Likewise.
7821 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
7823 2000-03-10 Andreas Jaeger <aj@suse.de>
7825 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
7826 MD_STARTFILE_PREFIX since those are not needed on linux.
7827 (ASM_FILE_START): New, from mips/gnu.h.
7829 2000-03-09 Richard Henderson <rth@cygnus.com>
7830 Alex Samuel <samuel@codesourcery.com> and others
7832 * Makefile.in (ssa.o): New rule.
7834 (STAGESTUFF): Add *.ssa and *.ussa.
7835 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
7836 * rtl.def (PHI): New RTL expression.
7837 * rtl.h (clear_log_links): New declaration.
7838 (convert_to_ssa): Likewise.
7839 (convert_from_ssa): Likewise.
7840 * flow.c (split_edge): If the entry node falls through to the
7841 split edge's source block, split the entry edge.
7842 (clear_log_links): New function.
7843 * toplev.c (ssa_dump): New variable.
7844 (flag_ssa): Likewise.
7845 (f_options): Add "ssa".
7846 (compile_file): Create SSA dump files.
7847 (rest_of_compilation): Go to and from SSA if enabled.
7848 (decide_d_option): Handle -de for SSA dump files.
7851 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
7853 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
7856 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
7858 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
7860 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
7862 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
7863 (MD_STARTFILE_PREFIX_1): New macro.
7865 2000-03-09 Robert Lipe <robertl@sco.com>
7867 * config/ia64/ia64.c: Include system.h.
7869 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
7871 * except.c (nothrow_function_p): If -fno-exceptions, just return.
7872 (init_eh_nesting_info): Likewise.
7874 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
7875 (TREE_NOTHROW): Rename from TREE_RAISES.
7876 * toplev.c (rest_of_compilation): Set it.
7877 * print-tree.c (print_node): Adjust.
7878 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
7879 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
7880 * calls.c (emit_call_1): Add 'nothrow' parm. Add
7881 REG_EH_REGION note as appropriate.
7882 (libfunc_nothrow): New fn.
7883 (emit_library_call, emit_library_call_value): Use it.
7884 (expand_call): Check TREE_NOTHROW.
7886 * varasm.c (make_decl_rtl): Skip initial '*' when setting
7887 DECL_ASSEMBLER_NAME.
7889 2000-03-09 Andreas Jaeger <aj@suse.de>
7891 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
7892 (TARGET_MEM_FUNCTIONS): Define.
7894 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
7896 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
7898 * except.c (can_throw): See through a SEQUENCE.
7899 (nothrow_function_p): New fn.
7900 * except.h: Declare it.
7901 * function.c (current_function_nothrow): New var.
7902 (prepare_function_start): Initialize it.
7903 * output.h: Declare it.
7904 * toplev.c (rest_of_compilation): Set it.
7905 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
7907 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
7909 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
7910 match. (cpp_compare_defs): Count the nul separator when
7911 advancing over argument names.
7913 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
7915 * recog.c (preprocess_constraints): Matching constraints affect
7916 same alternative/different operand, not same operand/different
7919 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
7920 register and a constant specially.
7922 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7924 * libgcc2.h: New file.
7925 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
7927 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
7929 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
7930 * configure: Regenerate.
7933 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7935 * Makefile.in (LIBCPP_DEPS): New macro.
7936 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
7938 * cpperror.c: Include cpphash.h.
7939 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
7941 (lex): Don't use CPP_WARN_UNDEF.
7942 (_cpp_parse_expr): Return an int, the truth value.
7943 * cppfiles.c: Include cpphash.h.
7944 (_cpp_merge_include_chains): Move to cppinit.c and make static.
7945 * cppinit.c (include_defaults_array): Disentangle.
7946 (cpp_cleanup): Don't free the if stack here.
7947 (cpp_finish): Pop off all buffers, not just one.
7948 * cpplib.c (eval_if_expr): Return int.
7949 (do_xifdef): Rename do_ifdef.
7950 (handle_directive): Don't use CPP_PREPROCESSED.
7951 (cpp_get_token): Don't use CPP_C89.
7952 * fix-header.c: Don't use CPP_OPTIONS.
7954 * cpplib.h: Move U_CHAR, enum node_type, struct
7955 file_name_list, struct ihash, is_idchar, is_idstart,
7956 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
7957 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
7958 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
7959 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
7960 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
7961 of _cpp_simplify_pathname, _cpp_find_include_file,
7962 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
7963 Move struct if_stack to cpplib.c. Move struct cpp_pending to
7965 Change all uses of U_CHAR to be unsigned char instead.
7966 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
7968 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7970 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
7971 (dwarf2out_begin_prologue): Set it.
7972 (output_call_frame_info): Don't emit EH unwind info for leaves.
7974 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
7975 can occur outside of an EH region.
7976 * except.c: Correct comments about rethrow behavior.
7977 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
7979 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
7981 * flow.c (make_edges): Always call make_eh_edge for calls.
7983 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7985 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
7986 (struct cpp_buffer): Remove fname and underflow fields.
7987 (struct cpp_reader): Remove get_token field.
7988 (struct include_hash): Rename to struct ihash. Add typedef to
7990 (struct if_stack): Remove fname field.
7991 (IF_STACK_FRAME): Rename to IF_STACK.
7993 * cpperror.c (print_containing_files): Trust that there are no
7994 macro buffers below the top file buffer.
7995 * cppfiles.c: Replace all references to 'struct include_hash'
7996 with 'IHASH'. Rename initialize_input_buffer to
7997 init_input_buffer. Don't set or reference cpp_buffer->fname,
7998 use buffer->ihash->name instead.
7999 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
8000 not CPP_NULL_BUFFER.
8001 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
8002 IF_STACK_FRAME, IHASH not struct include_hash.
8003 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
8004 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
8005 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
8006 references to cpp_buffer->fname (delete entirely, or use
8007 ->ihash->name instead) and IF_STACK->fname.
8008 (cpp_push_buffer): Don't set new->underflow.
8009 (do_include): Use cpp_file_buffer.
8011 * cpphash.c (collect_formal_parameters): Remove duplicate
8012 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
8013 used as a macro argument name. Don't append "..." to namebuf
8014 for varargs macros. After we're done scanning, go through
8015 namebuf and make it NUL separated, not comma separated.
8016 (_cpp_compare_defs): Remove register tag from variables.
8017 Expect defn->argnames to be NUL separated.
8018 (_cpp_dump_definition): Expect defn->argnames to be NUL
8019 separated and in forward order.
8020 * cpphash.h: Update documentation of argnames field.
8022 2000-03-08 Richard Henderson <rth@cygnus.com>
8024 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
8025 to fail. Don't pre-expand the source operand.
8027 * i386.md (strlensi): Initialize eoschar and align before use.
8029 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8031 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
8032 CONSTRUCTOR element.
8034 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
8036 * mips.c (mips_expand_prologue): If the last
8037 named argument is the vararg marker "va_list", treat it as
8038 an unnamed argument.
8040 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
8042 * dbxout.c (dbxout_parms): When correcting for promoted
8043 big-endian parameters, use the mode of the DECL_RTL rather
8044 than UNITS_PER_WORD.
8046 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
8048 * c-common.h (make_fname_decl): Declare.
8049 * c-common.c (make_fname_decl): Define.
8050 (declare_hidden_char_array): Remove.
8051 (declare_function_name): Use make_fname_decl.
8052 * c-decl.c (c_make_fname_decl): New function.
8053 (init_decl_processing): Set make_fname_decl.
8055 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
8057 * cccp.c (handle_directive): Initialize backslash_newlines_p.
8059 2000-03-07 Philipp Thomas <pthomas@suse.de>
8061 * po/POTFILES.in: Remove cppalloc.c from file list.
8063 2000-03-07 Steve Chamberlain <sac@pobox.com>
8065 * pj.c (pj_expand_prologue): current_function->args_info is
8066 now current_function_args_info.
8068 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
8069 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
8070 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
8072 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8074 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
8075 output as hexadecimal rather than the default octal.
8077 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8079 * cpphash.c (special_symbol): Fix thinko in previous commit.
8081 2000-03-07 Neil Booth <NeilB@earthling.net>
8083 * cppexp.c (struct operation, left_shift, right_shift,
8084 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
8085 "int"s to "unsigned int"s.
8086 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
8088 * cpplib.h: Update for above.
8089 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
8090 returned from allocations.
8092 * cppinit.c (opt_comp, parse_options): New functions.
8093 (handle_option): Use parse_option to parse a single command
8094 line option, that possibly takes an argument.
8095 (cpp_handle_options): Sort the array of command line options on
8096 first invocation (non-ASCII hosts only).
8097 (print_help): Update.
8099 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8101 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
8102 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
8104 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
8106 * cppinit.c (cpp_cleanup): Free imp->nshort also.
8108 * cpperror.c (cpp_print_containing_files,
8109 cpp_print_file_and_line, v_cpp_message): Rename to
8110 print_containing_files, print_file_and_line, and v_message.
8111 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
8112 to _cpp_parse_expr, parse_escape, and lex.
8113 (parse_charconst): Remove broken multibyte support.
8114 * cppfiles.c (include_hash): Make static.
8115 (cpp_included): New function.
8116 (merge_include_chains, find_include_file, finclude,
8117 simplify_pathname): Rename to _cpp_merge_include_chains,
8118 _cpp_find_include_file, _cpp_read_include_file, and
8119 _cpp_simplify_pathname.
8120 * cpphash.c (cpp_lookup, free_definition, delete_macro,
8121 cpp_install, create_definition, macroexpand, compare_defs,
8122 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
8123 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
8124 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
8125 * cppinit.c (cpp_handle_option): Rename to handle_option, make
8127 * cpplib.c: Remove extern prototype of cpp_parse_expr.
8129 * cpphash.h: Update prototypes.
8130 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
8132 2000-03-07 Andrew Haley <aph@cygnus.com>
8134 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
8135 PTRDIFF_TYPE should be based solely on Pmode.
8138 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8140 * rtl.h (rtunion_def): Constify member `rtstr'.
8141 (emit_line_note_after, emit_line_note, emit_line_note_force,
8142 emit_note, decode_asm_operands): Constify.
8144 * cse.c (canon_hash): Likewise.
8146 * dbxout.c (dbxout_block): Likewise.
8148 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
8149 v_warning_for_asm): Likewise.
8151 * dwarfout.c (function_start_label): Likewise.
8153 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
8154 emit_line_note_force): Likewise.
8156 * final.c (last_filename, asm_insn_count, final_scan_insn,
8157 output_source_line): Likewise.
8159 * function.h (struct emit_status): Likewise.
8161 * gcse.c (hash_expr_1): Likewise.
8163 * genattr.c (gen_attr, main): Likewise.
8165 * genattrtab.c (struct function_unit, current_alternative_string,
8166 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
8167 attr_numeral, check_attr_test, check_attr_value,
8168 convert_set_attr_alternative, convert_set_attr,
8169 compute_alternative_mask, simplify_by_exploding, gen_attr,
8170 gen_unit): Likewise.
8172 * genflags.c (gen_insn): Likewise.
8174 * gengenrtl.c (type_from_format): Likewise.
8176 * genopinit.c (gen_insn): Likewise.
8178 * genoutput.c (n_occurrences, process_template, process_template):
8181 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8184 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8187 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
8188 ggc_set_mark, ggc_get_size): Likewise.
8190 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
8192 * optabs.c (init_one_libfunc): Likewise.
8194 * output.h (assemble_start_function): Likewise.
8196 * recog.c (decode_asm_operands): Likewise.
8198 * toplev.c (rest_of_compilation): Likewise.
8200 * tree.h (emit_line_note_after, emit_line_note,
8201 emit_line_note_force): Likewise.
8203 * varasm.c (asm_output_bss, asm_output_aligned_bss,
8204 asm_emit_uninitialised, assemble_start_function,
8205 assemble_variable, const_hash, compare_constant_1,
8206 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
8208 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
8210 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
8212 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
8214 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
8216 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
8217 arm_dllimport_name_p): Likewise.
8219 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
8222 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
8224 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8226 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
8227 arm_mark_dllexport, arm_mark_dllimport,
8228 arm_pe_encode_section_info): Likewise.
8230 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
8231 ASM_FINISH_DECLARE_OBJECT): Likewise.
8233 * arm/thumb.c (thumb_function_prologue): Likewise.
8235 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
8237 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8239 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
8241 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
8243 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
8245 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8247 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
8248 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
8250 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
8252 * i386/i386.c (asm_output_function_prefix): Likewise.
8254 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
8256 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8258 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
8260 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
8261 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
8262 ASM_OUTPUT_SECTION_NAME): Likewise.
8264 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
8266 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
8268 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
8270 * m32r/m32r.c (m32r_encode_section_info): Likewise.
8272 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8274 * mcore/mcore.c (mcore_encode_section_info): Likewise.
8276 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8278 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8280 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8282 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
8284 * mips/mips.md (movdi, movsi): Likewise.
8286 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8288 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8290 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8292 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8293 ASM_OUTPUT_ASCII): Likewise.
8295 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
8296 output_mi_thunk, output_toc): Likewise.
8298 * rs6000/rs6000.md (movsi): Likewise.
8300 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
8302 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
8304 * v850/v850.c (print_operand, print_operand_address,
8305 v850_encode_data_area): Likewise.
8307 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
8309 * config/mips/mips.md (zero_extendsidi2): Always force operand
8310 one to memory for mips16.
8312 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8314 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
8315 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
8316 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
8317 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
8318 (min_precision): Result is unsigned.
8319 (add_double, neg_double, mul_double): Low word is unsigned.
8320 (lshift_double, rshift_double, lrotate_double): Likewise.
8321 (rrotate_double, div_and_round_double): Likewise.
8322 (tree_floor_log2, compare_tree_int): New functions.
8323 (preserve_rtl_expr_temps): New declaration.
8324 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
8325 (decl_attributes): Use tree_log2 to find alignment.
8326 Check for TREE_INT_CST_HIGH for format args.
8327 (min_precision): Now unsigned.
8328 Use tree_floor_log2.
8329 (truthvalue_conversion): Delete long-disabled code.
8330 * c-decl.c (finish_struct): Clean up tests on field width.
8331 (finish_function): Use compare_tree_int.
8332 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
8333 * c-typeck.c (comptypes): Use tree_int_cst_equal.
8334 (default_conversion, digest_init): Use compare_tree_int.
8335 (build_binary_op): Use integer_all_onesp and compare_tree_int.
8336 Fix type errors in forming masks.
8337 * calls.c (initialize_argument_information): Use compare_tree_int.
8338 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8339 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
8340 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
8341 (store_field): Use compare_tree_int.
8342 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
8343 (expand_expr, case ARRAY_REF): Use compare_tree_int.
8344 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
8345 (do_store_flag): Use compare_tree_int.
8346 * fold-const.c (encode, decode): Low part is always unsigned.
8347 (force_fit_type, add_double, neg_double, mul_double): Likewise.
8348 (lshift_double, rshift_double, lrotate_double): Likewise.
8349 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
8350 (fold_convert): Use compare_tree_int.
8351 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
8352 (invert_truthvalue, case INTEGER_CST): Likewise.
8353 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
8354 * mkdeps.c (deps_dummy_targets): Make I unsigned.
8355 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
8356 (lshift_double, rshift_double, lrotate_double, rrotate_double):
8358 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
8359 (expand_end_case): Use compare_tree_int.
8360 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8361 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
8362 (layout_decl): Likewise.
8363 (layout_record, layout_union): Make sizes unsigned.
8364 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
8365 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
8366 * tree.c (struct type_hash): hashcode is unsigned.
8367 (build_type_attribute_variant, type_hash_list): Likewise.
8368 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
8369 (attribute_hash_list, build_array_type, build_method_type): Likewise.
8370 (build_complex_type): Likewise.
8371 (real_value_from_int_cst): Remove unneeded casts.
8372 (integer_all_onesp): Add casts.
8373 (tree_floor_log2, compare_tree_int): New functions.
8374 (build_index_type): Use tree_int_cst_sgn.
8375 * varasm.c (assemble_variable): Use compare_tree_int.
8377 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
8379 * cpphash.c (collect_expansion): Also catch ## at start of macro.
8381 * varasm.c (make_decl_rtl): Don't add a number to members of
8383 (make_function_rtl): Likewise.
8385 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8387 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
8388 patch from 2000-01-28.
8390 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
8392 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
8393 filled with an insn from the jump target.
8395 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8397 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
8398 (c4x_external_ref): Likewise.
8399 * config/c4x/c4x.c (struct name_list): Likewise.
8401 1999-12-16 Ben Collins <bcollins@debian.org>
8403 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
8404 argument to genmultilib.
8405 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
8406 the contents into the multilib.h header.
8407 * gcc.c: Declare multilib_exclusions for the specs file.
8408 (set_multilib_dir): Use it.
8409 (print_multilib_info): Likewise.
8410 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
8411 to pass to genmultilib.
8413 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8415 * builtins.c (built_in_class_names, built_in_names): Constify a
8418 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
8420 (_mcleanup): Ensure value matches format specifier in sprintf.
8422 * cpphash.c (special_symbol): Don't needlessly cast away
8425 * cppinit.c (base_name): Delete unused prototype.
8427 * mkdeps.c (deps_init): Make definition K&R safe.
8429 * tree.h (built_in_class_names, built_in_names): Constify a
8432 2000-03-06 Jakub Jelinek <jakub@redhat.com>
8434 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
8435 floating point instructions for epilogue delay.
8437 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
8438 to gas if it supports .register pseudo.
8440 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
8441 LONG_DOUBLE_TYPE_SIZE if not defined.
8442 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
8443 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
8445 * gengenrtl.c: Likewise.
8446 * print-rtl.c: Likewise.
8448 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
8449 MASK_LONG_DOUBLE_128.
8450 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
8451 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
8452 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
8453 (SUBTARGET_SWITCHES): Define.
8454 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
8455 with -mlong-double-128.
8456 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8457 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8458 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8459 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
8460 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
8461 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
8462 with -mlong-double-128.
8463 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8464 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8465 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8466 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
8467 TARGET_LONG_DOUBLE_128): Define.
8468 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
8469 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
8470 long double on TARGET_ARCH64.
8472 2000-03-06 Mark Mitchell <mark@codesourcery.com>
8474 * function.c (free_temps_for_rtl_expr): Don't free slots
8475 that have been pushed into a higher level.
8478 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8480 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8482 * basic-block.h (ALLOCA_REG_SET): Remove.
8483 (INITIALIZE_REG_SET): New macro.
8484 * flow.c (update_life_info): Use it.
8485 (calculate_global_regs_live): Likewise.
8486 (propagate_block): Likewise.
8487 * global.c (build_insn_chain): Likewise.
8488 * haifa-sched.c (schedule_region): Likewise.
8490 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
8492 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
8493 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
8494 (DWARF_ARANGES_PAD_SIZE): New define.
8495 (output_aranges): Use it to pad the address range header.
8496 (DWARF_ROUND): Fix for non power of 2 rounding.
8498 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
8500 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
8502 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8504 * tree.def (RTL_EXPR): Update documentation.
8505 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
8506 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
8507 * function.c (preserve_rtl_expr_temp): New function.
8508 (preserve_rtl_expr_temps): Likewise.
8509 (preserve_rtl_expr_result): Use it.
8512 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8514 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
8516 * regmove.c (copy_src_to_dest) Do not create src->dest move
8517 for unchanging destination.
8519 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8521 * function.h (struct sequence_stack): Remove rtl_expr.
8522 (struct emit_staus): Likewise.
8523 (seq_rtl_expr): Remove.
8524 * tree.h (free_temps_for_rtl_expr): Don't declare.
8525 (start_sequence_for_rtl_expr): Likewise.
8526 * rtl.h (preserve_rtl_expr_result): Likewise.
8527 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
8528 (start_sequence_for_rtl_expr): Remove.
8529 (push_topmost_sequence): Don't save sequence_rtl_expr.
8530 (pop_topmost_sequence): Remove comment about not restoring it.
8531 (end_sequence): Don't set seq_rtl_expr.
8532 (init_emit): Don't initialize it.
8533 (mark_sequence_stack): Don't mark it.
8534 (mark_emit_status): Likewise.
8535 * except.c (protect_with_terminate): Use
8536 start_sequence_for_rtl_expr, not start_sequence.
8537 * expr.c (expand_expr, case RTL_EXPR): Don't call
8538 preserve_rtl_expr_result or free_temps_for_rtl_expr.
8539 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
8540 (preserve_rtl_expr_result): Remove.
8541 (free_temps_for_rtl_expr): Likewise.
8542 (pop_temp_slots): Likewise.
8543 (mark_temp_slot): Don't mark the rtl_expr.
8544 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
8545 start_sequence_for_rtl_expr.
8547 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
8549 * mkdeps.c, mkdeps.h: New files.
8550 * po/POTFILES.in: Add them.
8551 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
8552 (cpplib.o, cppinit.o): Depend on mkdeps.h.
8553 (mkdeps.o): New target.
8555 * cppfiles.c: Delete deps_output.
8556 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
8557 OBJECT_SUFFIX, and base_name.
8558 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
8560 (initialize_dependency_output): Use deps_init,
8561 deps_add_target, deps_calc_target, and deps_add_dep. Remove
8562 all the unnecessary string bashing.
8563 (cpp_finish): Use deps_write. Remove an unnecessary nesting
8565 * cpplib.c (do_include): Use deps_add_dep.
8566 * cpplib.h (struct cpp_reader): Replace deps_buffer,
8567 deps_allocated_size, deps_size, deps_column members with
8568 single pointer to a struct deps. Delete prototype of
8571 * cppinit.c: Fix thinko in previous patch.
8573 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8575 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
8576 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
8577 (mode_for_size_tree): New function.
8578 (layout_decl, layout_type): Call it and clean up BLKmode checks.
8579 * tree.h (mode_for_size_tree): New declaration.
8581 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
8583 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
8585 * stmt.c (is_body_block): Move...
8586 * dwarfout.c, dwarf2out.c: ...from here.
8587 * tree.h: Declare it.
8588 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
8589 * final.c (final_start_function): Do call remove_unnecessary_notes
8592 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
8594 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
8596 * cpplib.h (_dollar_ok): New macro.
8597 (is_idchar, is_idstart): Use it.
8598 (IStable): Rename to _cpp_IStable. Declare it const if
8599 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
8600 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
8601 is_space): Update for renamed IStable.
8603 * cppinit.c: Delete all references to FAKE_CONST and CAT
8604 macros. Define init_IStable as empty macro if gcc >=2.7 or
8605 C99. Change TABLE() to ISTABLE and hardcode name of table.
8606 (cpp_start_read): Don't change the IStable based on
8609 * cpphash.c (unsafe_chars): Add pfile argument. All callers
8610 changed. Handle '$' for char1 correctly.
8611 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
8613 * cppexp.c (tokentab2): Make const.
8614 (cpp_lex): Make toktab const.
8615 * cppinit.c (include_defaults_array): Make const.
8616 (initialize_standard_includes): Make default_include const.
8618 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
8620 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
8621 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
8622 (gen_decl_die): Likewise.
8623 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
8624 (output_decl): Likewise.
8626 * varasm.c (make_function_rtl): If we change the name used in the
8627 rtl, update DECL_ASSEMBLER_NAME accordingly.
8628 (make_decl_rtl): Likewise.
8630 * toplev.c (rest_of_compilation): Tweak formatting.
8632 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
8633 remove_unnecessary_notes.
8634 (debug_ignore_block): New fn.
8635 * toplev.h: Declare it.
8636 * emit-rtl.c (remove_unncessary_notes): Call it.
8637 * dwarf2out.c (dwarf2out_ignore_block): New fn.
8638 * dwarf2out.h: Declare it.
8639 * final.c (final_start_function): Don't call remove_unnecessary_notes
8640 if we did insn scheduling.
8642 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
8644 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
8645 * cpplib.h: Delete SET_CPP_PEDANTIC.
8647 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8649 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
8650 result is a RECORD_TYPE.
8652 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
8654 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
8656 2000-03-03 Richard Henderson <rth@cygnus.com>
8658 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
8659 addition over compliments over shifts.
8661 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8663 * reload1.c (reload_combine_note_use): Handle return register USEs.
8664 REG case: Handle multi-hard-register hard regs.
8666 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8668 * md.texi: Document use of '*' in insn pattern name.
8670 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
8672 * calls.c (special_function_p): operator new may not be malloc-like.
8674 * gcse.c (dump_hash_table): Really fix error in last change.
8676 2000-03-02 Denis Chertykov <denisc@overta.ru>
8678 * avr.c (print_operand): Use print_operand_address instead of
8680 * avr/libgcc.S: Cleanup code.
8682 2000-03-02 Richard Henderson <rth@cygnus.com>
8684 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
8686 2000-03-02 Mark Mitchell <mark@codesourcery.com>
8688 * tree.h (TYPE_ALIGN_UNIT): New macro.
8690 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
8692 * i386.c: (constant_call_address_operand): Reject CONST_INT.
8694 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
8696 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
8698 (SET_CPP_PEDANTIC): New macro.
8699 * cpplib.c (do_include): Don't bother checking system_header_p.
8700 (do_warning, do_ident, do_assert, do_unassert): Likewise.
8701 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
8703 * function.h (struct expr_status): Add x_arg_space_so_far.
8704 (arg_space_so_far): New macro.
8705 * expr.c (init_expr): Initialize it.
8706 * calls.c (emit_call_1): Reset it.
8707 (compute_argument_block_size, expand_call): Use it.
8708 (expand_call, store_one_arg): Increment it.
8710 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8712 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
8715 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
8717 * cppfiles.c (cpp_read_file): New function.
8719 * cpphash.c (collect_expansion): Make sure to reset last_token
8720 to NORM when we hit a string. Handle trailing whitespace
8721 properly when the expansion is empty.
8722 (create_definition): Disable line commands while parsing the
8724 (dump_definition): If pfile->lineno == 0, output a line
8725 command ahead of the dump, and add a trailing newline.
8727 * cppinit.c (append_include_chain): Add fifth argument, which
8728 indicates whether or not system headers are C++ aware.
8729 (initialize_standard_includes): New function,
8730 broken out of read_and_prescan. Pass 'cxx_aware' value from
8731 the include_defaults_array on to append_include_chain.
8732 (dump_special_to_buffer): Const-ify char array.
8733 (builtin_array): Don't dump __BASE_FILE__.
8734 (cpp_start_read): Use cpp_read_file. Reorder code for
8735 clarity. Don't output line commands here for -D/-A/-U
8736 switches. Don't call deps_output for files included with
8737 -include or -imacros.
8739 * cpplib.c (do_define): Don't pay any attention to the second
8741 (cpp_expand_to_buffer): Disable line commands while scanning.
8742 (output_line_command): Work in the file buffer.
8743 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
8744 Fix formatting of comments. Prototype cpp_read_file.
8746 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8748 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
8749 reference the language-equivalent of sizetype.
8750 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
8751 * fold-const.c (size_binop, size_diffop): Put back checks.
8752 * gcse.c (dump_hash_table): Fix minor error in last change.
8753 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
8754 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
8757 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
8759 * calls.c (expand_call) Do not attempt to combine stack adjustments
8760 with inhibit_defer_pop set.
8762 2000-03-01 Mark Mitchell <mark@codesourcery.com>
8764 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
8765 the DECL_SIZE for a FIELD_DECL.
8767 2000-03-01 Bruce Korb <bkorb@gnu.org>
8769 * fixinc/inclhack.tpl: remove unused symlinks
8770 * fixinc/README: GCC Maintainer info
8771 * fixinc/inclhack.sh: regen
8772 * fixinc/fixincl.sh: regen
8774 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
8776 * cpphash.c (collect_expansion): Trim trailing white space
8777 from macro definitions, but don't go past the last insertion
8780 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
8782 * i386.md (mulqi3): New pattern.
8784 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
8786 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
8788 (struct cpp_reader): Add parsing_if_directive and
8789 parsing_define_directive flags.
8790 (struct cpp_options): Remove output_conditionals flag.
8791 (check_macro_name): Delete prototype.
8793 * cpphash.h (struct macrodef): Delete.
8794 (struct reflist): Separate from struct definition.
8795 (struct definition): Remove unused fields. Add column number.
8796 (create_definition): Returns a DEFINITION *. Takes a
8797 cpp_reader * and an int.
8799 * cpphash.c (SKIP_WHITE_SPACE): Delete.
8800 (PEEKC): Copy defn from cpplib.c.
8801 (rest_extension, REST_EXTENSION_LENGTH): Delete.
8803 (struct arglist): Simplify.
8804 (collect_expansion): Rewrite. Get tokens by calling
8805 cpp_get_token. Add more error checking.
8806 (collect_formal_parameters): New function, broken out of
8807 create_definition and reworked to use get_directive_token.
8808 (create_definition): All real work is now in collect_expansion
8809 and collect_formal_parameters. do_define handles finding the
8810 macro name. Return a DEFINITION, not a MACRODEF.
8811 (macroexpand): Replace bcopy with memcpy throughout. Replace
8812 character-at-a-time copy loop with memcpy and pointer increments.
8813 (compare-defs): d1->argnames / d2->argnames might be null.
8815 * cpplib.c (copy_rest_of_line): Delete function.
8816 (skip_rest_of_line): Do all the work ourselves.
8817 (skip_string): New function.
8818 (parse_string): Use skip_string.
8819 (get_macro_name): New function.
8820 (check_macro_name): Delete.
8821 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
8822 (cpp_skip_hspace): Use CPP_BUMP_LINE.
8823 (handle_directive): ICE if we're called on a macro buffer.
8824 (do_define): Determine macro name and type (funlike/objlike)
8825 here. Expunge all uses of MACRODEF.
8826 (cpp_push_buffer): Set line_base to NULL.
8827 (do_undef, read_line_number): Don't worry about getting a POP token.
8828 (eval_if_expression): Set/reset parsing_if_directive around
8829 cpp_parse_expr. Don't clear only_seen_white.
8830 (skip_if_group): Remove output_conditionals logic. Use
8832 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
8833 tokens under appropriate conditions.
8834 (cpp_unassert): Call do_unassert not do_assert. Oops.
8836 * cppexp.c (parse_defined): New function, break out of
8838 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
8839 ourselves, with cpp_defined.
8840 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
8842 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
8843 * gcc.dg/strpaste-2.c: New.
8845 2000-02-29 Mark Mitchell <mark@codesourcery.com>
8847 * fold-const.c (size_binop): Don't asert inputs are the same and
8848 have TYPE_IS_SIZETYPE set.
8849 (size_diffop): Likewise.
8851 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
8853 * dwarfout.c (output_block): Output abstract blocks even if they
8854 don't have TREE_ASM_WRITTEN set.
8856 * calls.c (emit_library_call): Check for null REG.
8858 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
8860 * c-decl.c (current_function_decl): Move to toplev.c.
8861 (init_decl_processing): Don't add current_function_decl as a ggc
8863 * dbxout.c (dbxout_symbol): Change return type to int.
8864 (dbxout_symbol_location, dbxout_syms): Likewise.
8865 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
8866 any locals. Use current_function_func_begin_label if set.
8867 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
8868 * dwarf2out.c (dwarf2out_begin_prologue): Set
8869 current_function_func_begin_label.
8870 * final.c (final_start_function): Reset it.
8871 * toplev.c (current_function_decl): Define it here.
8872 (current_function_func_begin_label): New variable.
8873 (main): Add both as ggc roots.
8874 * tree.h (current_function_func_begin_label): Declare.
8876 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8878 * gcse.c: Cleanups throughout: mostly white-space, but also
8879 some minor rearrangement of code.
8881 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
8883 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
8884 returns a PARALLEL. Use emit_group_load and use_group_regs
8886 (emit_library_call_value): Similarly.
8888 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
8889 * pa/quadlib.asm: Remove.
8890 * pa/quadlib.c: New file.
8892 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
8893 * configure: Rebuilt.
8895 2000-02-29 Philip Blundell <pb@futuretv.com>
8897 * config/arm/conix-elf.h: New file.
8898 * configure.in (arm*-*-conix*): New configuration.
8899 * configure: Regenerate.
8901 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
8903 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
8904 don't have TREE_ASM_WRITTEN set.
8906 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8908 * Eliminate DECL_FIELD_SIZE.
8909 * builtins.c (built_in_class_names, built_in_names): New variables.
8910 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
8911 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
8912 DECL_SIZE, not DECL_FIELD_SIZE.
8913 * print-tree.c (print_node): Remove code that prints extra blank
8914 lines in some cases.
8915 Properly handle inline and builtin function cases.
8916 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
8917 * tree.h (built_in_class_named, built_in_names): New declarations.
8918 (union tree_decl): Rename internal unions to u1 and u2 and change
8919 some of their components.
8920 Add new field built_in_class.
8921 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
8922 Reflect above changes.
8923 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
8924 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
8925 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
8926 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
8928 2000-02-28 Dmitri Makarov <dim@windriver.com>
8930 * extend.texi: Document ARM's support for long/short calls.
8932 * invoke.texi: Document ARM's -mlong-calls command line switch.
8934 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
8935 (arm_encode_call_attribute): Add prototype.
8936 (arm_set_default_type_attribute): Add prototype.
8937 (arm_strip_name_encoding): Add prototype.
8939 * config/arm/arm.c (arm_init_cumulative_args): replace
8940 initialisation og 'long_calls' field with initialisation of
8941 'call_cookie' field.
8942 (enum arm_pragma_enum): New enum.
8943 (arm_pragma_long_calls): New static variable.
8944 (arm_process_pragma): Also process "#pragma long_calls_off".
8945 (arm_valid_type_attribute_p): Accept short_call attribute.
8946 (arm_comp_type_attributes): Check long/short call attributes.
8947 (arm_encode_call_attribute): New function: Encode long_call
8948 or short_call attribute in function name.
8949 (arm_set_default_type_attributes): New function: Assign
8950 default attributes to newly defined type.
8951 (current_file_function_operand): New function: Return true if
8952 the symbol is a function which has already been compiled.
8953 (arm_is_longcall_p): New function: Return true if the
8954 indicated function should be called via a long call.
8955 (arm_get_strip_length): New function. Returns number of
8956 prefix characters to be stripped from a function's name.
8957 (arm_strip_name_encoding): New function. Strip prefix characters
8958 from a function's name.
8960 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
8962 (SHORT_CALL_FAG_CHAR): Define.
8963 (LONG_CALL_FAG_CHAR): Define.
8964 (ENCODED_SHORT_CALL_ATTR_P): Define.
8965 (ENCODED_LONG_CALL_ATTR_P): Define.
8966 (ARM_NAME_ENCODING_LENGTHS): Define.
8967 (STRIP_NAME_ENCODING): Define.
8968 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
8969 (ARM_ENCODE_CALL_TYPE): Define.
8970 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
8971 (ARM_DECLARE_FUNCTION_SIZE): Define.
8972 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
8974 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
8975 if a long call is needed.
8976 (call_value): Ditto.
8977 (call_symbol): Ditto.
8979 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
8980 ARM_DECLARE_FUNCTION_SIZE.
8982 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
8983 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
8984 (ARM_STRIP_NAME_ENCODING): Undefine.
8985 (STRIP_NAME_ENCODING): Undefine.
8986 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
8987 (ASM_DECLARE_FUNCTION_NAME): Ditto.
8988 (ASM_OUTPUT_COMMON): Ditto.
8989 (ASM_DECLARE_OBJECT_NAME): Ditto.
8991 * config/arm/pe.c (arm_dllexport_name_p): Check for
8993 (arm_dllimport_name_p): Ditto.
8994 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
8995 (arm_mark_dllimport): Ditto.
8997 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8999 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
9001 2000-02-28 Mark Mitchell <mark@codesourcery.com>
9003 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
9005 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
9007 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
9008 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
9009 NO_BUILTIN_WCHAR_TYPE is not defined.
9010 (CPP_WCHAR_TYPE): Delete.
9011 * cccp.c (main): Don't change wchar_type if cplusplus.
9012 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
9014 2000-02-28 Nick Clifton <nickc@cygnus.com>
9016 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
9018 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
9020 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
9021 (ASM_WEAKEN_LABEL): Define.
9023 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
9025 * expr.c (store_constructor): Do not emit USE.
9026 * rtl.h (stupid_life_analysis): Remove.
9028 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9030 * function.c (number_blocks): Reset next_block_index based on
9031 what debugging format is used, not what is defined.
9033 * lcm.c: Minor reformatting throughout.
9034 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
9036 * toplev.c (rest_of_compilation): Account for time in
9037 optimize_mode_switching.
9039 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
9040 if only marking labels.
9042 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
9044 * calls.c (expand_call): Attempt to combine stack adjustments with
9045 pending stack adjustments.
9047 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9049 * loop.c (reg_in_basic_block_p): Don't abort when falling through
9050 to the end of the function.
9052 2000-02-27 Mark Mitchell <mark@codesourcery.com>
9054 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
9056 * final.c (next_block_index): Remove.
9057 (max_block_depth): Likewise.
9058 (pending_blocks): Likewise.
9059 (init_final): Don't initialize them.
9060 (final_start_function): Don't set next_block_index. Set up
9062 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
9063 * function.h (number_blocks): New function.
9064 * function.c (get_block_vector): New function.
9065 (identify_blocks): Use it.
9066 (reorder_blocks): Set NOTE_BLOCK.
9067 (number_blocks): New function.
9068 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
9069 * tree.h (BLOCK_NUMBER): New macro.
9070 (tree_block): Add block_num field.
9071 * dbxout.c (next_block_number): Remove.
9072 (dbxout_init): Don't set it.
9073 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
9074 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
9076 * toplev.c (rest_of_compilation): Always call
9077 find_loop_tree_blocks. Fix indentation.
9078 * dwarf2out.c (next_block_number): Remove.
9079 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9080 to determine block numbers.
9081 (gen_inlined_subroutine_die): Likewise.
9082 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
9083 (decls_for_scope): Don't increment next_block_number.
9084 * dwarfout.c (next_block_number): Remove.
9085 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9086 to determine block numbers.
9087 (output_inlined_subroutine_die): Likewise.
9088 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
9089 (output_decls_for_scope): Don't increment next_block_number.
9090 * sdbout.c (next_block_number): Remove.
9091 (sdbout_block): Use BLOCK_NUMBER.
9092 (sdbout_begin_block): Simplify.
9093 * xcoffout.c (next_block_number): Remove.
9094 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
9095 (xcoffout_begin_block): Don't set next_block_number.
9096 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
9099 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9101 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
9102 (expand_builtin_strcpy): Pass correct type to size_binop.
9103 (expand_builtin_strcmp): Likewise.
9104 Clean up conditional structure.
9105 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
9106 (complete_array_type): Don't use size_binop for MAXINDEX.
9107 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
9108 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
9109 (c_alignof): Use size_one_node.
9110 (build_unary_op): Pass arg of proper type to size_binop.
9111 (really_start_incremental_init, push_init_level): Use sizetype for
9112 constructor{,_bit,_unfilled}_index.
9113 (pop_init_label, output_init_element): Likewise.
9114 (output_pending_init_elements, process_init_element): Likewise.
9115 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
9116 * expr.c (store_expr): Use size_int.
9117 (store_constructor): Use proper types for size_binop args.
9118 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
9119 (expand_expr_unaligned): Likewise.
9120 (string_contant): Return object of sizetype.
9121 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
9122 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
9123 (ARGS_SIZE_TREE): Pass proper types to size_binop.
9124 * fold-const.c (int_const_binop): Refine when size_int is called.
9125 (fold_convert): Likewise.
9126 (size_int_wide): Rework to take KIND as arg, only take low order
9127 bits, handle new sizetype_tab datatype, and chain entries in
9129 (size_int_type_wide): New function.
9130 (size_binop): Validate types of arguments.
9131 (ssize_binop): Deleted.
9132 (size_diffop): New function.
9133 (extract_muldiv): Only fold division into multiplication for sizetypes.
9134 * function.c (assign_parms): Use size_diffop and make sure
9135 VAR field is of ssizetype; also pass proper type to size_binop.
9136 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
9137 (round_down): Deleted from here.
9138 * store-layout.c (sizetype_tab): Now an array.
9139 (sizetype_set, early_root_list): New variables.
9140 (variable_size): Use size_one_node.
9141 (round_up): Pass proper type to size_binop.
9142 (round_down): Moved to here and corrected as above.
9143 (layout_record): Pass proper arg types to size_binop.
9144 (layout_type): Likewise.
9145 If sizetype_set is zero, record the type just laid out.
9146 (make_unsigned_type): Don't call set_sizetype;
9147 (make_signed_type): Likewise; also, call fixup_signed_type.
9148 (initialize_sizetypes): New function.
9149 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
9150 set name of bitsizetype to "bit_size_type".
9151 Fix up type of sizes of all types made before call.
9152 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
9153 * tree.c (fix_sizetype): Deleted.
9154 (build_common_tree_nodes): Call initialize_sizetypes.
9155 (build_common_tree_nodes_2): Don't call fix_sizetype.
9156 * tree.h (TYPE_IS_SIZETYPE): New macro.
9157 (initialize_sizetype): New declaration.
9158 (enum size_type_kind): New type.
9159 (struct sizetype_tab): Deleted.
9160 (sizetype_tab): Now array; adjust sizetype macros.
9161 (size_diffop, size_int_type_wide): New functions.
9162 (size_int_wide): Change number of args and type; access macros changed.
9163 (ssize_int, sbitsize_int): New macros.
9164 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
9165 (ROUND_TYPE_SIZE_UNIT): New macro.
9167 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
9169 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
9171 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9173 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
9174 Mark as possibly unused.
9176 * cse.c (cse_insn): Delete dead code involving tablejump.
9177 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
9179 * Makefile.in (libcpp.a): Start by deleting it.
9181 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9183 * cpplib.h (enum file_change_code): Added rename_file.
9184 * cpplib.c (do_line): If a filename is given, set file_change to
9186 (output_line_command): If file_change is rename_file, always
9187 output a # directive with the file name.
9189 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
9191 2000-02-26 Mark Mitchell <mark@codesourcery.com>
9193 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
9194 when copying a PARM_DECL or RESULT_DECL.
9196 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9198 * fix-header.c (recognized_function): Also fix prototypes for
9199 functions taking "void".
9201 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9203 * reload1.c (do_output_reload): Check reg_reloaded_valid before
9204 looking at reg_reloaded_contents.
9206 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
9208 * Makefile.in (STMP_FIXINC): New toggle.
9209 (LIBGCC2_DEPS): Delete all references.
9210 (stmp-headers): Delete target. All references either deleted
9211 or changed to stmp-int-headers.
9212 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
9213 (LIBCPP_OBJS): Take out cppalloc.o.
9214 (cppalloc.o): Delete target.
9215 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
9216 (gen-protos, fix-header): Link with libiberty.a.
9217 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
9220 * configure.in: Remove refs to strerror.
9221 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
9222 * system.h: Take out strerror stanza.
9224 * cpperror.c (my_strerror): Delete function.
9225 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
9226 * cppmain.c (main): Call xmalloc_set_program_name first thing.
9227 * cppalloc.c: Delete file.
9228 * gen-protos.c: Don't provide xrealloc.
9230 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
9231 xstrerror throughout.
9233 2000-02-26 Bruce Korb <bkorb@gnu.org>
9235 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
9236 match for DOS headers, too.
9237 * fixinc/inclhack.sh,fixincl.x: Regenerate.
9239 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9241 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
9242 is right for most ELF targets.
9243 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
9244 Let the default file use %U properly.
9245 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
9248 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
9251 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9253 * toplev.c (documented_lang_options): Correct spelling error.
9254 (decode_d_option, decode_f_option, main): Likewise.
9256 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
9258 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
9259 to tell assembler it is permitted to expand large constants.
9261 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
9263 * protoize.c: (AUX_INFO_SUFFIX): New macro.
9264 (aux_info_suffix): Use.
9265 (SAVE_SUFFIX): New macro.
9267 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
9268 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
9269 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
9271 * invoke.texi (Running Protoize): Update documentation.
9273 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
9275 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
9277 2000-02-25 John Wehle (john@feith.com)
9279 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
9281 2000-02-25 Anthony Green <green@cygnus.com>
9283 * toplev.c (rest_of_compilation): Rebuild jump labels if
9284 combine_instructions has created a new direct jump.
9285 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
9287 (combine_instructions): Call try_combine with new argument.
9288 Return non-null value when new direct jump instruction is created.
9289 * rtl.h: combine_instructions returns an int.
9291 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
9293 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
9294 jump when changing a computed jump into a jump to a known
9297 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
9299 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
9300 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
9302 * i386.md (define_expand "clrstrsi"): Fix typo.
9304 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
9306 * rtl.texi: Fix typo.
9308 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9310 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
9311 UNITS_PER_WORD. Change caller initial_elimination_offset.
9312 (rounded_frame_size): Take into account that argument pushed has
9313 changed. Fix TARGET_ALIGN_DOUBLE problem.
9315 2000-02-25 Geoff Keating <geoffk@cygnus.com>
9317 * haifa-sched.c (schedule_block): Explain the real reason
9318 we delete REG_SAVE_NOTEs on the first insn of a block.
9319 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
9321 2000-02-24 Mark Mitchell <mark@codesourcery.com>
9323 * input.h (push_srcloc): New function.
9324 (pop_srcloc): Likewise.
9325 * toplev.c (push_srcloc): Define it.
9326 (pop_srcloc): Likewise.
9328 2000-02-24 Richard Henderson <rth@cygnus.com>
9330 * flow.c (life_analysis): When collecting reg info, clear
9333 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9335 Fix bug exposed by reload.c no longer rounding the frame
9336 size to BIGGEST_ALIGNMENT:
9337 * sh.c (rounded_frame_size): New function.
9338 (sh_expand_prologue, sh_expand_epilogue): Use it.
9339 (initial_elimination_offset): Likewise.
9341 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9343 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
9344 * sh-protos.h (sh_need_epilogue): Declare.
9345 * sh.c (sh_need_epilogue_known): New static variable.
9346 (sh_need_epilogue): New function.
9347 (function_epilogue): Clear need_epilogue_known.
9348 * sh.md (return): Split into expander / insn pattern.
9349 Make the expander conditional on ! sh_need_epilogue ().
9351 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
9353 * machmode.h (get_mode_alignment): Declare.
9354 (GET_MODE_ALIGNMENT): Call it.
9355 * stor-layout.c (get_mode_alignment): New function. Make
9356 sure alignment is always power of 2.
9358 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9360 * i386.h: Remove useless definition of "I386" and misleading
9363 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9365 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
9366 under which TREE_PERMANENT will be set.
9367 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
9368 build1): Use TREE_SET_PERMANENT.
9369 * print-tree.c (print_node): Don't report value of
9370 TREE_PERMANENT if ggc_p is true.
9372 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
9373 decide whether to give a type a new alias set.
9374 * objc/objc-act.c (build_objc_string_object): Never copy the string.
9375 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
9376 of value of 'obstack'.
9379 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9381 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
9383 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9385 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
9386 * cpplib.c (cpp_get_token): Produce them.
9387 * cppexp.c (cpp_lex): Handle them.
9389 2000-02-23 Nick Clifton <nickc@cygnus.com>
9391 * config/arm/arm.c (arm_comp_type_attributes): Simply and
9392 comment tests on type attributes.
9394 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9396 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
9397 conform to documentation.
9398 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
9399 to check for special cases.
9400 * sh-protos.h (sh_loop_align): Declare.
9401 * sh.c (sh_loop_align): Define.
9403 2000-02-22 Andrew Haley <aph@cygnus.com>
9405 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
9406 (SIZE_TYPE): Is 32 bits when using -mgp32.
9407 (PTRDIFF_TYPE): Ditto.
9409 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9411 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
9413 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9415 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
9416 BIGGEST_FIELD_ALIGNMENT a constant.
9418 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
9420 * dwarf2out.c (output_line_info): Put the marker for the end of
9421 the line number info at the actual end.
9422 (gen_struct_or_union_type_die): Use decl_function_context
9423 to check for local classes.
9424 * dwarfout.c (output_type): Likewise.
9426 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
9428 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
9429 for arguments with a mode, but no type.
9430 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
9431 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
9432 * pa/long_double.h: New file.
9433 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
9434 both have 128bit wide long doubles.
9435 * configure: Rebuilt.
9437 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9439 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
9441 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
9442 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
9443 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
9445 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
9447 * integrate.c (compare_blocks, find_block): Likewise.
9449 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
9451 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
9453 * stmt.c (stmt_status, set_file_and_line_for_stmt,
9454 expand_asm_operands): Likewise.
9456 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
9458 * predict.c (estimate_probability): Added the pointer heuristic to
9459 the collection of static branch predictors.
9461 2000-02-21 Catherine Moore <clm@cygnus.com>
9463 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
9464 * invoke.texi (-mfix7000): Document.
9466 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
9468 * diagnostic.c (init_output_buffer): Make it possible to output at
9469 least 32 characters if we're given a too long prefix.
9471 2000-02-20 Mark Mitchell <mark@codesourcery.com>
9473 * varasm.c (initializer_constant_valid_p): Call
9474 lang_expand_constant to simplify the constant.
9476 2000-02-20 Bruce Korb <bkorb@gnu.org>
9478 * fixinc/inclhack.def(stdio_va_list):
9479 typedef needs to be disabled.
9480 * fixinc/inclhack.sh: regen
9481 * fixinc/fixincl.x: regen
9483 2000-02-20 Geoff Keating <geoffk@cygnus.com>
9485 * print-rtl.c (print_rtx): Don't print addresses when
9486 flag_dump_unnumbered.
9488 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9490 * sparc.c (sparc_output_scratch_registers): Mark parameter with
9492 (sparc_va_arg, sparc_flat_output_function_prologue,
9493 sparc_flat_output_function_epilogue): Cast value to unsigned in
9495 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
9497 * sparc.md: Add default case in switch.
9499 2000-02-19 Richard Henderson <rth@cygnus.com>
9501 * c-typeck.c (add_pending_init): Don't abort for multiple
9502 fields at the same offset.
9503 (pending_init_member): Test the correct member.
9505 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9507 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
9509 (start_catch_handler) : Same.
9511 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
9513 * Makefile.in: Have flow.o depend on $(EXPR_H)
9515 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9517 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
9518 * c-decl.c (duplicate_decls, finish_enum): Likewise.
9519 (finish_decl): Remove -Wlarger-than code from here.
9520 * flags.h (id_clash_len): Now int.
9521 (larger_than_size): Now HOST_WIDE_INT.
9522 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
9523 Clean up checking to see if in table.
9524 (make_bit_field_ref): Remove extra parm to bitsize_int.
9525 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
9526 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
9527 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
9528 and for computing size of decl.
9529 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
9530 Move -Wlarger-than code to here.
9531 (layout_record): Remove extra arg to bitsize_int.
9532 Set TYPE_BINFO_SIZE_UNIT.
9533 (layout_union): Remove extra arg to bitsize_int.
9534 Use proper type for size of QUAL_UNION.
9535 (layout_type): Remove extra arg to bitsize_int.
9536 * toplev.c (id_clash_len): Now int.
9537 (larger_than_size): Now HOST_WIDE_INT.
9538 (decode_W_option): Clean up id-clash and larger-than- cases.
9539 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
9540 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
9541 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
9542 (struct tree_decl): New field size_unit.
9543 (size_int_wide): No HIGH operand; NUMBER is now signed.
9544 (size_int_2): Deleted.
9545 (size_int, bitsize_int): Don't use it and rework args.
9546 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
9548 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
9550 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
9552 2000-02-18 Geoff Keating <geoffk@cygnus.com>
9554 * invoke.texi (Warning Options): Add an explanation of why
9555 you might want the -Wfloat-equal flag.
9557 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9559 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
9560 * cppinit.c (new_pending_define): Add cast to avoid warning.
9561 * expmed.c (extract_bit_field): Likewise.
9562 * flow.c (enum reorder_skip_type): New type.
9563 (skip_insns_between_blcok): New it.
9564 Rework to avoid warning about possibly undefined variable.
9565 * function.c (assign_parms): Make thisparm_boundary unsigned.
9566 * genrecog.c (write_switch): Cast XWINT result to int.
9567 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
9568 * mips-tfile.c (init_file): Make two versions of FDR intializer:
9569 one for MIPS and one for Alpha.
9570 (get_tag, copy_object): Add casts to avoid warnings.
9571 * optabs.c (init_one_libfunc): Cast NAME to (char *).
9572 * reload.c (find_reloads): Make TYPE enum reload_type.
9573 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
9574 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
9575 * varasm.c (compare_constant_1): Add cast to avoid warning.
9576 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
9578 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
9579 Cast switch operand of size to int.
9580 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
9581 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
9584 2000-02-18 Nick Clifton <nickc@cygnus.com>
9586 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
9587 anything for an alignment of zero.
9589 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
9590 anything for an alignment of zero.
9592 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
9594 * gcc.texi (Bug Reporting): Refer to bugs.html.
9595 (Bug Lists): Likewise.
9596 * system.h (GCCBUGURL): New preprocessor define.
9597 * rtl.c (fancy_abort): Use it.
9598 * gcc.c (main): Likewise.
9600 2000-02-18 Richard Henderson <rth@cygnus.com>
9602 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
9603 (life_analysis_1): Subsume into ...
9604 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
9605 Use update_life_info for the relaxation.
9606 (update_life_info): Update REG_BASIC_BLOCK for registers live on
9607 entry and regs_live_at_setjmp.
9608 (set_noop_p): Simplify.
9609 (notice_stack_pointer_modification_1): Renamed from s/_1//.
9610 (record_volatile_insns): Split into ...
9611 (delete_noop_moves): ... here,
9612 (notice_stack_pointer_modification): ... here,
9613 (insn_dead_p): ... and here.
9614 (propagate_block): Don't query INSN_VOLATILE.
9615 (mark_used_regs): Mind !PROP_REG_INFO.
9616 * toplev.c (rest_of_compilation): Call mark_constant_function here,
9617 not in life_analysis.
9619 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
9621 * loop.c (canonicalize_condition): New function,
9622 broken out of get_condition.
9623 (get_condition): Use it.
9624 * expr.h (canonicalize_condition): Prototype it.
9626 * tree.h (tree_int_cst_msb): Declare.
9627 * tree.c (tree_int_cst_msb): New function.
9629 2000-02-17 Mark Mitchell <mark@codesourcery.com>
9631 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
9634 * invoke.texi (-fmessage-length=n): Document.
9636 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
9638 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
9640 2000-02-17 Mark Mitchell <mark@codesourcery.com>
9642 * function.c (thread_prologue_and_epilogue_insns): Put a line note
9645 2000-02-17 Nick Clifton <nickc@cygnus.com>
9647 * config/arm/thumb.c: Replace includes of system headers with
9648 #include "system.h".
9650 2000-02-16 Richard Henderson <rth@cygnus.com>
9652 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
9653 Add crtbeginS.o and crtendS.o.
9654 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
9655 (ENDFILE_SPEC): Use crtendS.o.
9656 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
9658 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
9659 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
9661 (__dso_handle): New variable.
9662 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
9663 bias to __CTOR_END__.
9665 2000-02-16 Richard Henderson <rth@cygnus.com>
9667 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
9669 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
9671 * longlong.h (__clz_tab): Declare as static to match definition.
9673 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
9675 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
9676 (XREF_FILE_NAME): Define.
9678 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
9679 (EH_FRAME_SECTION_ASM_OP): Define.
9680 (IDENT_ASM_OP): Define.
9681 (TEXT_SECTION_ASM_OP): Define.
9683 (CTORS_SECTION_ASM_OP): Define.
9684 (CTOR_SECTION_FUNCTION): Use it.
9685 (DTORS_SECTION_ASM_OP): Define.
9686 (DTOR_SECTION_FUNCTION): Use it.
9688 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
9690 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
9693 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
9694 debug_bb_n): New functions.
9695 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
9696 * basic-block.h: Prototype new functions.
9698 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
9700 * configure.in: Add support for avr target.
9701 * configure: Rebuilt.
9703 * invoke.texi: Add AVR invocation docs.
9704 * install.texi: Add information about AVR.
9705 * md.texi: Add AVR constraint letters description.
9706 * extend.texi: Add description for AVR specific attributes.
9708 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
9710 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
9712 2000-02-16 Nick Clifton <nickc@cygnus.com>
9714 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
9715 (make_insn_raw): Move RTL check here.
9717 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9719 * version.c: Include gansidecl.h and version.h.
9721 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
9723 * configure.in (gcc_version): When setting, narrow search to
9724 lines containing `version_string'.
9726 * Makefile.in (mainversion): Likewise.
9727 (GCC_H): New variable.
9728 (gcc.h): Delete target.
9729 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
9730 (version.o): Depend on version.h.
9731 (dbxout.o): Don't depend on gcc.h.
9733 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
9734 Michael Meissner <meissner@cygnus.com>
9736 * md.texi (Simple Constraints): Add item about whitespace.
9737 * genoutput.c (strip_whitespace): New.
9738 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
9739 strip_whitespace for constraints.
9740 Test pointer using NULL, not 0.
9742 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9744 * cpplib.c (do_line): Pedwarn for #line > 32767.
9746 * c-lex.c (readescape): Warn about '\x', but do not reject it.
9748 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
9750 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
9751 to default cpp spec.
9752 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
9753 * cpp.texi: Document __GNUC_PATCHLEVEL__.
9756 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
9759 2000-02-15 Denis Chertykov <denisc@overta.ru>
9761 * configure.in: Add support for avr target.
9763 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9765 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
9766 (sh_addr_diff_vec_mode): Don't declare.
9767 * sh.c (sh_addr_diff_vec_mode): Delete.
9769 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9771 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
9773 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9775 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
9776 (smulsi3_highpart_i): Name.
9777 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
9778 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
9779 (smulsi3_highpart, umulsi3_highpart): Likewise.
9781 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
9782 correctly independent of endianness.
9783 (mulsidi3, umulsidi3): Now define_insn. Hide details that
9784 confuse the optimizers.
9785 (mulsidi3+1, umulsidi3+1): New define_split.
9787 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
9789 * config/sh/sh.md: Guard insn splits against illegal registers.
9790 * config/sh/sh.h: Correct comment about macros.
9792 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9793 Andrew MacLeod <amacleod@cygnus.com>
9795 * Makefile.in (lcm.o): Depend on insn-attr.h.
9796 * basic-block.h (optimize_mode_switching): Declare.
9797 * lcm.c (tm_p.h, insn-attr.h): #include.
9798 (seginfo, bb_info): New structs.
9799 (antic, transp, comp, delete, insert) : New file-scope static variables.
9800 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
9801 (reg_becomes_live, optimize_mode_switching): Likewise.
9802 * tm.texi: Add description of mode switching macros.
9803 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
9805 * sh-protos.h (remove_dead_before_cse): Remove prototype.
9806 (fldi_ok, fpscr_set_from_mem): New prototypes.
9807 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
9808 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
9809 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
9810 (sh_flag_remove_dead_before_cse): Remove declaration.
9811 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
9812 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
9813 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
9814 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
9815 (barrier_align): Allow for JUMP_INSNS containing a parallel.
9816 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
9817 (fldi_ok): New function.
9818 (get_fpscr_rtx): Add fpscr_rtx as GC root.
9819 (emit_sf_insn): Only generate fpu switches when optimize < 1.
9820 (emit_df_insn): Likewise.
9821 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
9822 (sh_flag_remove_dead_before_cse): Delete.
9823 (get_free_reg, fpscr_set_from_mem): New functions.
9824 * sh.md (movdf, movsf): Remove no_new_pseudos code.
9825 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
9827 2000-02-15 Loren Rittle <ljrittle@acm.org>
9829 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
9831 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9833 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
9834 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
9836 * cccp.c: Include version.h and/or don't declare `version_string'.
9837 * collect2.c: Likewise.
9838 * alpha.c: Likewise.
9839 * arm/aof.h: Likewise.
9840 * arm/coff.h: Likewise.
9841 * arm/elf.h: Likewise.
9842 * arm/pe.h: Likewise.
9843 * arm/tcoff.h: Likewise.
9844 * arm/telf.h: Likewise.
9845 * arm/tpe.h: Likewise.
9846 * arm/vxarm.h: Likewise.
9847 * convex/convex.c: Likewise.
9848 * i386/dgux.c: Likewise.
9849 * i386/sun386.h: Likewise.
9850 * m88k/m88k.c: Likewise.
9851 * mcore/mcore-pe.h: Likewise.
9852 * mips/mips.h: Likewise.
9853 * romp/romp.h: Likewise.
9854 * sh/sh.c: Likewise.
9855 * cpphash.c: Likewise.
9856 * cppinit.c: Likewise.
9857 * dwarf2out.c: Likewise.
9858 * dwarfout.c: Likewise.
9861 * mips-tfile.c: Likewise.
9862 * protoize.c: Likewise.
9863 * toplev.c: Likewise.
9866 * version.c (version_string): Constify a char*.
9868 * version.h: New file.
9870 2000-02-14 Nick Clifton <nickc@cygnus.com>
9872 * configure.in: Add mcore-elf and mcore-pe targets.
9873 * configure: Regenerate.
9875 * NEWS: Add note that MCore port has been contributed.
9877 * invoke.texi: Document command line switches for MCore port.
9878 * install.texi: Add MCore to list of supported targets.
9880 2000-02-14 Geoff Keating <geoffk@cygnus.com>
9882 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
9883 then we will need to import the frame handling functions.
9884 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
9885 to import the frames themselves.
9887 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
9888 Jason Eckhardt <jle@cygnus.com>
9890 * basic_block.h: Added prototype for reorder_basic_blocks.
9891 * toplev.c: Changes to add -freorder-blocks and graph dump after
9892 block reordering is done.
9893 * flow.c (reorder_block_def): New structure for use during block
9895 (REORDER_BLOCK_*): New macros to access members of above structure.
9896 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
9897 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
9898 functions for block reordering.
9900 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
9902 * gcc.texi (Passes): Fix typo.
9903 * md.texi (Standard Names): Ditto.
9904 * tm.texi (Storage Layout): Ditto.
9906 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
9908 * cpplib.c (do_define): Only free the old definition if it
9911 2000-02-13 Neil Booth <NeilB@earthling.net>
9913 * cppfiles.c (read_and_prescan): When emitting deferred
9914 newlines, test speccase[] again instead of checking each
9915 possible whitespace character in turn. When we encounter \r,
9916 look behind for \n first, then ahead.
9918 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
9920 * cse.c (cse_altered): New internal flag.
9921 (cse_insn): Set it if we changed an insn.
9922 (cse_main): Clear cse_altered before each basic block.
9923 Only garbage collect if cse_altered is true afterward.
9925 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9927 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
9929 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
9931 * combine.c (simplify_comparison): Fix typo.
9933 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
9935 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
9938 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9940 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
9941 previously inserted node instead of root node. Caller changed.
9943 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9945 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
9947 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9949 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
9950 __dereg_frame_dtor): Add prototype argument.
9952 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
9954 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
9956 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
9958 * gthr-vxworks.h (__gthread_once): Likewise.
9960 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
9962 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
9964 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
9965 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
9966 stack pointer in functions w/o saved registers, output LEAVE more often
9967 on TARGET_USE_LEAVE machines.
9969 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
9971 * config/arm/arm.c (arm_init_cumulative_args); New function:
9972 Initlaise the CUMULATIE_ARGS strcuture for a function
9974 (arm_function_arg): New function: Determine where to place a
9975 function's argument. Also handles deciding the function's
9977 (current_file_function_operand): New function: Return true if
9978 the symbol is a function which has already been compiled.
9979 (arm_is_long_call_p): New function: Return true if the
9980 indicated function should be called via a long call.
9981 (arm_valid_type_attribute_p): New function: Return true if the
9982 attribute is a valid, arm specific, attribute.
9983 (arm_comp_type_attribute): New function: Return true if the
9984 two types have compatable, arm specific, attributes.
9986 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
9988 (FUNCTION_ARG): Redefine to call arm_function_arg.
9989 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
9991 (INIT_CUMULATIVE_ARGS): Redefine to call
9992 arm_init_cumulative_args.
9993 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
9995 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
9997 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
9999 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
10000 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
10001 (COMP_TYPE_ATTRIBUTES): Define.
10003 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
10004 if a long call is needed.
10005 (call_value): Call arm_is_long_call_p to decide if a long call
10007 (call_symbol): Call arm_is_long_call_p to decide if a long call
10010 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
10012 2000-02-11 Denis Chertykov <denisc@overta.ru>
10014 * README.AVR: New file with information about the avr ports.
10015 * config/avr: New directory with avr port files.
10017 2000-02-11 Andreas Jaeger <aj@suse.de>
10019 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
10021 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
10023 * cpphash.c: Fix formatting, update commentary.
10024 (dump_definition): Take three separate arguments instead of a
10025 MACRODEF structure argument.
10026 * cpphash.h: Update prototype of dump_definition.
10027 * cppinit.c (cpp_finish): Update call of dump_definition.
10029 * cpplib.c (do_define): Always create new hash entry with
10030 T_MACRO type. Remove redundant check for redefinition of
10031 poisoned identifier. Update call of dump_definition.
10032 (do_undef): Don't call check_macro_name. Rename sym_length to
10034 (do_error, do_warning): Don't use copy_rest_of_line or
10036 (do_warning): Don't use pedwarn for the actual warning,
10037 only the notice about its not being in the standard. (Fixes
10038 bug with #warning in system headers.)
10039 (do_ident): Stricter argument checking - accept only a single
10040 string after #ident. Also, macro-expand the line.
10041 (do_xifdef): Use cpp_defined. De-obfuscate.
10043 (do_pragma): Split out specific pragma handling to separate
10044 functions. Use get_directive_token. Update commentary. Do
10045 not pass on #pragma once or #pragma poison to the front end.
10046 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
10047 do_pragma_default): New.
10049 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
10051 * jump.c (jump_optimize_1): The first operand in a relational
10052 can be a CONST_INT.
10053 * optabs.c (emit_conditional_move): Handle relationals which
10054 have a known true/false result.
10056 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10058 * function.c (thread_prologue_and_epilogue_insns): Don't insert
10059 a RETURN insn into a block which already ends with a jump.
10061 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10063 * haifa-sched.c (BUF_LEN): Increase a lot.
10065 2000-02-11 Nick Clifton <nickc@cygnus.com>
10067 * configure.in: Add tm_p_file specification for thumb targets.
10068 * configure: Regenerate.
10070 * config/arm/thumb-protos.h: New file: Prototypes for exported
10071 functions defined in thumb.c.
10073 2000-02-11 Robert Lipe <robertl@sco.com>
10075 * Makefile.in (bootstrap-lean): Remove additional files.
10076 (bootstrap2-lean): Likewise.
10077 (VOL_FILES): List of files for above.
10079 2000-02-11 Nathan Sidwell <nathan@acm.org>
10081 * cpphash.c (special_symbol): Remove spurious argument to
10084 2000-02-11 Joel Sherrill (joel@OARcorp.com>
10086 * configure.in: (i*86-*-rtems*): Swapped elf and coff
10088 * configure: Rebuilt.
10090 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
10092 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
10094 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
10096 * pa.c, pa.h: Remove trigraph sequences within comments.
10098 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
10100 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
10102 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
10104 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
10106 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10108 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
10110 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10112 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
10113 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
10114 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
10115 (ASM_FILE_END): Use c4x_file_end.
10116 * config/c4x/c4x.c (c4x_global_label): New function.
10117 (c4x_external_ref, c4x_file_end): Likewise.
10119 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
10120 (c4x_external_ref, c4x_end_file): Likewise.
10122 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
10124 * cppexp.c: Don't include cpphash.h.
10125 (parse_charconst, cpp_lex): Use cpp_defined.
10126 (cpp_lex): Use get_directive_token throughout. Remove
10127 unnecessary cases from switch. Move assertion-handling code
10128 down to OTHER case.
10129 (cpp_parse_expr): If we see '+' or '-', check the context to
10130 determine if they are unary or binary operators. Streamline
10131 the jumps a bit. Do not call skip_rest_of_line.
10133 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
10134 static. Export get_directive_token. Update commentary.
10135 (cpp_defined): New function.
10136 (do_define): Remove reference to T_PCSTRING. Call
10137 free_definition to release memory for old definition, when
10138 redefining a macro.
10139 (eval_if_expression): Set only_seen_white to 0 before calling
10140 cpp_parse_expr. Call skip_rest_of_line after it returns.
10141 (cpp_read_check_assertion): Don't preserve a pointer into the
10142 token buffer across a call to cpp_get_token.
10144 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
10145 * cppfiles.c (redundant_include_p): Use cpp_defined.
10146 * cpphash.c (free_definition): New function.
10147 (delete_macro): Use it. Update commentary.
10148 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
10150 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
10151 from enum node_type. Prototype cpp_defined and get_directive_token.
10152 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
10154 * fix-header.c (check_macro_names): Use cpp_defined.
10155 (read_scan_file): Set inhibit_warnings and inhibit_errors in
10156 the options structure.
10158 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10160 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
10162 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
10164 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
10165 rather than die->die_tag.
10167 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10169 * combine.c (make_extraction, force_to_mode): Avoid warning on
10170 mixed-signedness conditionals.
10171 (make_field_assignment, nonzero_bits): Likewise.
10172 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
10173 (store_split_bit_field, extract_split_bit_field): Likewise.
10174 (extract_fixed_bit_field, store_bit_field,
10175 * expr.c: Change alignment to be unsigned everywhere.
10176 (move_by_pieces, store_constructor_field, store_constructor):
10177 Alignment parm is unsigned.
10178 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10179 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10180 (do_compare_rtx_and_jump): Likewise.
10181 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
10182 Compare align with GET_MODE_ALIGNMENT.
10183 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
10184 (get_inner_reference): Likewise.
10185 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
10186 (expand_assignment): Local vars for alignment now unsigned.
10187 (store_constructor, store_field, expand_expr, do_jump): Likewise.
10188 (do_compare_and_jump): Likewise.
10189 (store_field): Call new function expr_align.
10190 * expr.h (emit_block_move, emit_group_load, emit_group_store):
10191 Alignment arg now unsigned.
10192 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10193 (do_compare_rtx_and_jump, store_bit_field): Likewise.
10194 (extract_bit_field): Likewise.
10195 * fold-const.c (add_double): Add cast to eliminate signedness warning.
10196 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
10197 (get_best_mode): Alignment arg is unsigned.
10198 * rtl.h (move_by_pieces): Likewise.
10199 * store-layout.c (maximum_field_alignment, set_alignment):
10201 (layout_decl): Alignment arg is now unsigned.
10202 Remove unneeded casts.
10203 (layout_record, layout_union, layout_type): Remove unneeded casts.
10204 Local alignment variables now unsigned.
10205 (get_best_mode): Alignment arg now unsigned.
10206 * tree.c (expr_align): New function.
10207 * tree.h (expr_align): Likewise.
10208 (maximum_field_alignment, set_alignment): Now unsigned.
10209 (get_inner_reference): Alignment argument is now pointer to unsigned.
10210 * varasm.c (assemble_variable): Add cast to eliminate warning.
10212 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
10214 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
10215 then store directly into op0.
10217 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
10218 the CALL_INSN, and emit the note immediately after it.
10220 2000-02-10 Nick Clifton <nickc@cygnus.com>
10222 * config/arm/thumb.md (epilogue): Include a (return) in the
10223 generated insn, and emit it using emit_jump_insn not
10226 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
10228 * function.c (assign_temp): Change zero-sized arrays to size 1.
10229 * integrate.c (expand_inline_function): Do not update
10230 stack_alignment_needed
10231 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
10232 add some sanity checking, remove optimization for function with
10235 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10237 * flow.c (mark_regs_live_at_end): Delete unused variables.
10239 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
10241 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
10242 in macro FRAME_GROWS_DOWNWARD.
10244 * stmt.c (expand_end_bindings): Delete unused variable.
10246 * unroll.c (iteration_info): Mark parameter `loop' with
10249 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10251 * fixinc/server.c (load_data): Return NULL if the marker line is
10253 (run_shell): If load_data returns NULL, retry the command once, in
10256 * configure: Rebuilt.
10258 2000-02-09 Bruce Korb <bkorb@gnu.org>
10260 * gcc/fixincludes: ** DELETED **
10261 * gcc/fixcpp: ** DELETED **
10262 * gcc/fixinc-nt.sed: ** DELETED **
10263 * gcc/just-fixinc: ** DELETED **
10264 * gcc/Makefile.in: Removed out-dated commentary
10265 * gcc/configure.in: Removed fast-fixincludes disablement.
10266 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
10268 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10269 * function.c (thread_prologue_and_epilogue_insns): Uncomment
10272 2000-02-09 Richard Henderson <rth@cygnus.com>
10274 * jump.c (delete_insn): Don't delete user labels at -O0.
10276 2000-02-09 Robert Lipe <robertl@sco.com>
10278 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
10279 Don't link with HOST_LIBS.
10281 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10283 * configure.in: Correct --help text for --with-dwarf2.
10284 Put tm-dwarf2.h after other tm files, if it's requested.
10285 * configure: Regenerate.
10286 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
10289 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10291 * cpplib.h: Provide HASHNODE typedef and forward decl of
10292 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
10293 DEFINITION, struct hashnode, struct macrodef, struct
10294 definition, scan_decls prototype, default defn of
10295 INCLUDE_LEN_FUDGE moved elsewhere.
10297 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
10298 definition, and struct hashnode moved here. Remove the unused
10299 'predefined' field from struct definition. Replace the 'args'
10300 union with its sole member. All users updated (cpphash.c).
10301 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
10302 multiple include guard.
10304 * cpphash.c (hashf): Make static; use better algorithm; drop
10305 HASHSIZE parameter; return an unsigned int.
10306 (cpp_lookup): Drop HASH parameter. PFILE parameter is
10307 used. Calculate HASHSIZE modulus here.
10308 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
10310 (create_definition): Drop PREDEFINITION parameter.
10311 * cpplib.c (do_define): Don't calculate a hash value here.
10312 Don't pass (keyword == NULL) to create_definition.
10314 * scan.h: Prototype scan_decls here.
10315 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
10316 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
10317 callers of cpp_lookup and cpp_install updated.
10319 * cpphash.c (macarg): Hoist all the flag diddling out of the
10321 (macroexpand): ... and out of the loop that calls macarg.
10322 Skip over the initial paren before macro arguments with
10323 cpp_get_non_space_token; point may be some distance before
10324 that paren. Abort if it's not there.
10326 * cpplib.c (parse_clear_mark): Delete function.
10327 (parse_set_mark, parse_goto_mark): Make static.
10328 (ACTIVE_MARK_P): New macro.
10329 (skip_block_comment, skip_line_comment): Do not bump the line
10330 if ACTIVE_MARK_P is true.
10331 (cpp_pop_buffer): The buffer to be popped may not have an
10333 (cpp_get_token): When looking for the initial paren before
10334 macro arguments, only set a mark in a file buffer, Always
10335 return to that mark before proceeding to call macroexpand or
10336 return a NAME token.
10338 * cpplib.h: Remove prototypes of parse_set_mark,
10339 parse_clear_mark, parse_goto_mark.
10340 (struct cpp_options): Rename 'put_out_comments' to
10341 'discard_comments' and invert its sense.
10342 * cppinit.c, cpphash.c, cpplib.c: All users of
10343 put_out_comments changed to use discard_comments, with
10346 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10348 * function.c (thread_prologue_and_epilogue_insns): Don't delete
10349 the edge from a block that both jumps and falls through to the
10352 2000-02-09 Scott Bambrough <scottb@netwinder.org>
10354 * config/arm/arm.md (movsi): In PIC mode, make sure that a
10355 constant source address is legitimate.
10357 2000-02-09 Philip Blundell <pb@futuretv.com>
10359 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
10362 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
10364 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
10366 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10368 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
10369 ends with a newline and a NUL. Don't be so clever manipulating
10372 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
10374 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
10375 not to BIGGEST_ALIGNMENT.
10377 2000-02-08 Geoff Keating <geoffk@cygnus.com>
10379 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
10380 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
10381 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
10382 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
10383 * frame.c (execute_cfa_insn): Handle
10384 DW_CFA_GNU_negative_offset_extended.
10386 2000-02-08 Richard Henderson <rth@cygnus.com>
10388 * flow.c (tidy_fallthru_edges): Split out from ...
10389 (delete_unreachable_blocks): ... here.
10390 (find_basic_blocks): Use it.
10392 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10394 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
10396 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
10398 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
10399 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
10400 (fix-header.o): Don't depend on cpphash.h.
10402 * scan.c (hashstr): New function.
10403 * scan.h: Prototype it.
10404 * fix-header.c: Don't include cpphash.h. Use hashstr.
10405 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
10406 hashstr. Report hash table statistics. Add private
10407 definition of xrealloc.
10409 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10411 * i386.h (TARGET_SWITCHES): Fix typo in option name.
10413 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
10415 * function.c (thread_prologue_and_epilogue_insns): Don't replace
10416 jumps with returns unless they are jumps to the fallthru block.
10418 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
10420 * i386.md (addqi3_cc): Fix contraints.
10422 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
10424 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
10426 2000-02-07 Mark Mitchell <mark@codesourcery.com>
10428 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
10429 carriage return after a macro name.
10431 2000-02-07 Fred Fish <fnf@be.com>
10433 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
10434 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
10436 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
10438 * cppfiles.c (deps_output): Count spacers in deps_column.
10440 2000-02-07 Neil Booth <NeilB@earthling.net>
10442 * cppinit.c (initialize_dependency_output): If there is no
10443 suffix, don't try to look for known suffixes. Use strrchr.
10444 (cpp_start_read): Remove duplicate initialization.
10446 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
10448 * calls.c (compute_argument_block_size): New argument
10449 preferred_stack_boundary.
10450 (expand_call): update cfun->preferred_stack_boundary, update call of
10451 compute_argument_block_size
10452 (emit_library_call): Increate cfun->preferred_stack_boundary
10453 to PREFERRED_STACK_BOUNDARY
10454 (emit_library_call_value): Likewise.
10455 * explow.c (allocate_dynamic_stack_spave): Likewise.
10456 * function.c (prepare_function_start): Set
10457 cfun->preferred_stack_boundary
10458 * function.h (struct function): Add preferred_stack_boundary field.
10459 * integrate.c (expand_inline_function): Update
10460 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
10461 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
10462 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
10464 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
10466 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
10467 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
10468 cpp_pedwarn, cpp_pedwarn_with_line,
10469 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
10470 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
10471 v_cpp_error_with_line, v_cpp_warning_with_line,
10472 cpp_message_from_errno, cpp_perror_with_name): Delete.
10474 * cpperror.c (cpp_print_containing_files): Take starting
10475 buffer as argument.
10476 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
10477 (v_cpp_message): Now called directly by all entry points.
10479 (cpp_pfatal_with_name, cpp_message): Delete.
10480 (cpp_notice_from_errno, cpp_ice): New functions.
10481 (cpp_notice): Is now for reporting error conditions, just
10482 without an associated file.
10483 (cpp_error, cpp_error_with_line): Don't do anything if
10484 opts->inhibit_errors is on.
10485 (cpp_pedwarn_with_file_and_line): Take column argument also.
10487 * cpplib.h: Update prototypes of exported functions.
10488 (struct cpp_options): Add inhibit_errors.
10490 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
10491 non-error messages. Include intl.h.
10493 * cppinit.c, cppmain.c: Likewise. Also, use
10494 cpp_notice_from_errno instead of cpp_perror_with_name or
10495 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
10497 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
10498 report internal errors.
10500 * cpplib.c (do_define): Switch bcopy to memcpy.
10501 Give cpp_pedwarn_with_file_and_line a dummy column argument.
10503 * cpplib.c (copy_rest_of_line): Revert previous change: don't
10504 bail out early if we hit a line comment.
10506 2000-02-06 Richard Henderson <rth@cygnus.com>
10508 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
10509 * basic-block.h: Declare them.
10510 * emit-rtl.h (active_insn_p): New.
10511 (next_active_insn, prev_active_insn): Use it.
10512 * rtl.h: Declare it.
10513 * function.c (emit_return_into_block): New.
10514 (thread_prologue_and_epilogue_insns): Insert return insns instead
10515 of epilogues when possible.
10516 * jump.c (jump_optimize_1): Remove code to insert a return insn
10517 on the fallthru to the exit block.
10519 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
10520 and for non-empty stack frames.
10521 * i386.md (return): Expand to return-pop as needed.
10523 2000-02-06 Richard Henderson <rth@cygnus.com>
10525 * simplify-rtx.c (simplify_relational_operation): Canonicalize
10526 constant to op1 for testing.
10528 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10530 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
10531 (fixuns_truncqfqi2): Use it.
10533 2000-02-06 Richard Henderson <rth@cygnus.com>
10535 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
10536 as a TYPE_LEA insn.
10538 * i386.md (widening and peepholes): Mask the constant instead of
10541 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10543 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
10544 input pointer before possibly branching off to the backslash
10546 * cpphash.c (macroexpand): Correctly delete \r escapes when
10547 stringifying parameters.
10548 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
10549 if we can; bail out early if we hit a line comment.
10550 (handle_directive): Treat '# 123' in an .S file just like
10551 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
10552 Return 1 for '# not_a_directive'.
10553 (get_directive_token): Pop macro buffers here, so that
10554 cpp_get_token can't sneakily move past a newline.
10556 (cpp_get_token): goto randomchar if handle_directive returns 0.
10558 * cppalloc.c: Update copyright.
10559 * cpplib.c: Merge all the static function prototypes into one
10561 * cpplib.h: Remove #if 0 block.
10563 * cpperror.c: Remove #ifdef EMACS block.
10564 * cppmain.c: Likewise.
10565 * cpphash.c: Remove #if 0 blocks.
10566 * cppinit.c: Remove #if 0 blocks, and the -lint option.
10567 * cpplib.c: Remove #if 0 blocks and code referencing
10568 pcp_inside_if or for_lint. Remove duplicate error message.
10569 Fix error messages for #else after #else or #elif. Reformat.
10570 Remove archaic TODO list.
10571 * cpplib.h: Remove pcp_inside_if and for_lint flags.
10573 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10575 * i386/osf1elf.h: Add missing backslash to multiline string.
10577 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10579 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
10581 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10583 * Makefile.in (c-common.o): Depend on $(EXPR_H).
10585 * c-common.c: Include expr.h.
10587 * c-pragma.c (mark_align_stack): Add prototype.
10589 * caller-save.c (add_stored_regs): Likewise.
10591 * combine.c (record_promoted_value): Likewise.
10593 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
10596 * cppinit.c (new_pending_define): Likewise.
10598 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
10600 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
10601 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
10602 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
10603 class_scope_p): Likewise.
10605 * dwarf2out.h (dwarf2out_set_demangle_name_func,
10606 dwarf2out_add_library_unit_info): Likewise.
10608 * ggc.h (ggc_page_print_statistics): Likewise.
10610 * haifa-sched.c (propagate_deps): Likewise.
10612 * reg-stack.c (next_flags_user, record_label_references): Likewise.
10614 * rtl.h (set_stack_check_libfunc): Likewise.
10616 * toplev.h (set_fatal_function): Likewise.
10618 * toplev.c (set_fatal_function): Delete prototype.
10620 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
10622 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10624 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
10625 (FUNC_END): Likewise.
10627 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10629 * caller-save.c: Include tm_p.h.
10631 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10633 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
10635 2000-02-04 Neil Booth <NeilB@earthling.net>
10637 * cccp.c (main): Check 'dir' for a NULL pointer before passing
10640 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
10642 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
10643 * genflags.c: Use the max_operand_1 logic from genemit.c to
10644 calculate how many arguments gen_insn prototypes have. Remove
10645 NO_MD_PROTOTYPES ifdefs from the generated file.
10646 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
10647 file. Cast gen_insn initializers to insn_gen_fn.
10648 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
10649 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
10651 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10653 * fixinc/Makefile.in (HDR): Add machname.h.
10656 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10658 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
10659 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
10660 (c4x_cpu_version): Ditto.
10661 * config/c4x/c4x-protos.h: ... here.
10663 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
10665 * dwarf2out.c (add_abstract_origin_attribute): Don't call
10666 gen_abstract_function on our context if we're a nested function.
10668 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10670 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
10671 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
10673 2000-02-04 Bruce Korb <bkorb@gnu.org>
10675 * fixinc/genfixes(machname.h):
10676 Move the functionality from gen-machine.h into this file.
10677 UNdef MN_NAME_PAT if there are no names to change.
10678 Also, be a little kinder when AutoGen is not present.
10680 * fixinc/Makefile.in(machname.h):
10681 Change the generation rule to use genfixes.
10683 * fixinc/fixfixes.c(machine_name):
10684 machine_name_fix's functionality now dependent upon whether
10685 MN_NAME_PAT is defined.
10687 * fixinc/fixtests.c(machine_name):
10690 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
10693 * fixinc/fixlib.h(mn_get_regexps):
10696 * fixinc/gen-machine.h: DELETED
10698 2000-02-04 Jan Hubicka <jh@suse.cz>
10699 Richard Henderson <rth@cygnus.com>
10701 * i386.c (SAVE_REGS_FIRST): Remove.
10702 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
10703 (ix86_compute_frame_size): Likewise.
10704 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
10705 (ix86_emit_restore_regs): Remove.
10706 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
10707 when a frame pointer is in use.
10708 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
10709 instead of pop to restore a register when profitable; emit leave
10711 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
10712 as a TYPE_LEA insn.
10713 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
10714 * i386.md (prologue_allocate_stack): Remove.
10715 (epilogue_deallocate_stack): Remove.
10716 (pro_epilogue_adjust_stack): New.
10718 2000-02-04 Richard Henderson <rth@cygnus.com>
10720 * function.c (diddle_return_value): Rework to use a callback function.
10721 Use current_function_return_rtx if it's been set up.
10722 (do_clobber_return_reg, clobber_return_register): New.
10723 (do_use_return_reg, use_return_register): New.
10724 (expand_function_end): Use them.
10725 * stmt.c (expand_null_return): Likewise.
10726 * function.h: Declare them.
10727 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
10728 (mark_reg): Change arguments as appropriate for callback.
10729 * integrate.c (expand_inline_function): Revert 19 Jan change.
10731 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
10733 * tm.texi (Values in Registers): Fix typo: "fo" "for".
10734 (Misc): Say the scheduler, not the Haifa scheduler.
10736 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
10738 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
10739 when in_mem is set. Update all callers.
10741 2000-02-04 Richard Henderson <rth@cygnus.com>
10743 * i386/openbsd.h (INT_ASM_OP): Define.
10745 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
10747 * tm.texi: Fix various typos.
10749 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
10751 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
10752 (MD_STARTFILE_PREFIX_1): New macro.
10754 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
10756 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
10757 destination when needed.
10758 (strmovsi, strsetsi): New expander.
10759 (strmovsi_1, strsetsi_1): New pattern.
10760 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
10761 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
10762 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
10763 * invoke.texi (align-stringops, inline-all-stringops): Document.
10765 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
10767 * i386/netbsd.h (INT_ASM_OP): Define.
10769 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
10771 * cpplib.h (cpp_reader): Add new flag, no_directives.
10772 * cpphash.c (macarg): Set it.
10773 * cpplib.c (handle_directive): If no_directives is on and we
10774 find a directive, issue an error and discard the line.
10776 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
10778 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
10779 FP constants. Add ! TARGET_FPU check for FP constants.
10781 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
10783 * flow.c (find_basic_blocks): Don't kill label_value_list
10785 (cleanup_cfg): Kill it here.
10787 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10789 * expr.c (store_field): Ensure ALIGN is no stricter than the
10792 2000-02-02 Richard Henderson <rth@cygnus.com>
10794 * jump.c (delete_insn): Partially revert 19 Jan change;
10795 don't convert unused code labels to notes at -O0.
10797 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10799 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
10800 split_all_insns to recreate REG_LABEL notes for flow2 pass.
10802 2000-02-01 Richard Henderson <rth@cygnus.com>
10804 * i386.c (general_no_elim_operand): New.
10805 (nonmemory_no_elim_operand): New.
10806 (ix86_expand_move): Copy eliminable operands before a push.
10807 * i386-protos.h: Declare new functions.
10808 * i386.h (CAN_ELIMINATE): Simplify.
10809 (PREDICATE_CODES): Update.
10810 * i386.md (push insns): Don't allow eliminable register operands.
10812 2000-02-01 Richard Henderson <rth@cygnus.com>
10814 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
10815 replace BLKmode with DECL_RTL's mode.
10817 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
10819 * frame.c (find_fde): Convert for loop to do-while so compiler
10820 sees it's always executed at least once.
10821 * libgcc2.c (BBINBUFSIZE): Kill.
10822 (__bb_init_prg): Use fgets.
10823 (__bb_exit_trace_func): Don't paste strings.
10824 * unroll.c (unroll_loop): Initialize unroll_type, not
10825 unroll_number, and tweak logic to match.
10827 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
10829 (ix86_flags_dependant): Likewise. Disentangle control flow.
10830 (ix86_sched_reorder): Break guts out to
10831 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
10832 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
10835 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
10836 use string concatenation. Don't save and restore esi.
10838 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
10839 (machname.h): Remove script to separate file. Use two-step
10840 sequence so target is not created if script fails.
10841 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
10842 identifiers are defined.
10843 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
10844 an empty string, machine_name doesn't need to do anything at
10846 (is_cxx_header): Add more cases to regexp.
10847 * fixinc/fixlib.h: Update prototype.
10848 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
10850 * fixinc/fixincl.c: Define NO_BOGOSITY.
10852 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
10853 (hp_sysfile): Add missing comma.
10854 (math_exception): Put the wrapper ifdefs at the beginning and
10855 the end of the file.
10856 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
10858 2000-02-01 Richard Henderson <rth@cygnus.com>
10860 * sparc.c (fp_zero_operand): Turn into a normal predicate.
10861 Use CONST0_RTX. Update all callers.
10862 * sparc.h, sparc-protos.h: Update accordingly.
10863 * sparc.md (fp mov insns): Use fp_zero_operand directly
10866 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
10868 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
10871 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10873 * Makefile.in (specs.ready): New target.
10874 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
10876 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10878 * fixinc.irix: Use unique filenames for writing into /tmp,
10879 * fixinc.ptx: Likewise.
10880 * fixinc.sco: Likewise.
10881 * fixinc.svr4: Likewise.
10882 * fixinc.winnt: Likewise.
10884 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10886 * tsystem.h: New file.
10888 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
10889 s-crtS): Depend on tsystem.h.
10891 * crtstuff.c: Include tsystem.h.
10892 * frame.c: Likewise.
10893 * libgcc2.c: Likewise.
10895 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
10897 * builtins.c (expand_builtin_memset): Expand for variable sized
10900 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
10902 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
10905 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10907 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
10909 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
10911 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
10913 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
10914 case 3->2 combining (combining with splitting) in which 2 is CC0
10915 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
10916 checked at the begining of the function with the aid of calling
10917 function 'can_combine_p'.
10919 2000-01-31 Dave Brolley <brolley@redhat.com>
10921 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
10923 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
10925 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
10928 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10930 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
10932 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
10935 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10937 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
10938 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
10939 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
10940 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
10941 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
10942 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
10943 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
10944 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
10945 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
10946 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
10948 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
10949 Add %(cpp_cpu) to CPP_SPEC.
10951 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
10952 Add %(cc1_cpu) to CC1_SPEC.
10954 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10956 * c-decl.c (c_decode_option): Accept optional numeric argument to
10957 -Wformat and set warn_format.
10958 * c-common.c: Don't emit warning about non-constant printf format
10959 string unless warn_format > 1.
10961 2000-01-30 Richard Henderson <rth@cygnus.com>
10963 * alpha.md (return_internal): Allow after reload only.
10965 2000-01-30 Richard Henderson <rth@cygnus.com>
10967 * i386.c (ix86_compute_frame_size): Omit padding1 if the
10968 local frame size is zero.
10970 2000-01-30 Richard Henderson <rth@cygnus.com>
10972 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
10973 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
10974 * alpha.md (return): Turn into an expander.
10975 (return_internal): Don't use $26.
10976 (epilogue): Emit the return insn.
10978 2000-01-30 Richard Henderson <rth@cygnus.com>
10980 * alpha.md (negtf2, abstf2): Fix word order thinko.
10981 (extendsftf2): New.
10982 (trunctfsf2): Avoid intermediate rounding errors.
10984 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10986 * cppfiles.c (find_position): Drop 'colp' argument, return the
10988 (read_and_prescan): Adjust to match. Don't ever manipulate
10989 line or line_base except via find_position.
10991 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10993 * c-parse.in: Apply Ulrich's changes from c-parse.y.
10994 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
10997 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10999 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
11000 just print "<command line>". If 'filename' is null or an
11001 empty string, print "<stdin>" for the filename.
11002 * cpplib.c (do_define): Don't print the 'location of the
11003 previous definition' message if we're still parsing the
11005 (cpp_pedwarn_with_file_and_line): Always call
11006 cpp_file_line_for_message.
11008 2000-01-29 Mark Mitchell <mark@codesourcery.com>
11010 * flow.c (mark_regs_live_at_end): Fix typo.
11012 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11014 * c-common.c: Adjust variable names, comments, help strings to c99.
11015 * c-lex.c: Likewise.
11016 * c-parse.y: Likewise.
11017 * c-tree.h: Likewise.
11018 * cccp.c: Likewise.
11019 * cpplib.h: Likewise.
11020 * c-decl.c: Likewise. Recognize options with names "*99" as well.
11021 * cppinit.c: Likewise.
11023 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11025 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
11026 * c4x.c: Define the optab rtx values.
11027 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
11028 (c4x_emit_libcall): Use new optab rtx values.
11029 (c4x_emit_libcall3): Likewise.
11030 (c4x_emit_libcall_mulhi): Likewise.
11031 * c4x-protos.h: Add prototypes for optab rtx values and change
11032 prototypes for above c4x_emit_libcall functions.
11034 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11036 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
11038 (c4x_function_prologue): Use regnames intead of float_reg_names when
11040 (c4x_function_epilogue): Likewise.
11041 (c4x_print_operand): Likewise.
11042 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
11043 * c4x.md (set_high): Disable for TARGET_TI.
11045 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11047 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
11048 of framepointer + constant to ADDR_REGS class.
11049 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
11050 * c4x.c (std_or_reg_operand): New function.
11051 * c4x-protos.h (std_or_reg_operand): Prototype it.
11053 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11055 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
11056 object names as libgcc2.c.
11057 * libgcc.S: Use newly defined names.
11059 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
11060 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
11062 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
11063 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
11064 (FLOW_LOOP_LAST_BLOCK): Likewise.
11066 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11068 * basic-block.h (struct loop): New fields 'first' and 'last'.
11069 * flow.c (flow_loops_find): Compute loop->first and loop->last.
11070 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
11071 and loop->last to check for NOTE_INSN_LOOP_END.
11073 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
11075 * predict.c (estimate_probability): Use the new FIRST and LAST fields
11076 of the loop descriptor rather than HEADER and LATCH. Also added
11077 missing break statements as well making some coding style modifications
11078 as suggested by Michael Hayes.
11080 2000-01-28 Richard Henderson <rth@cygnus.com>
11082 * flow.c (find_basic_blocks): Remove do_cleanup argument.
11083 Break out that code ...
11084 (cleanup_cfg): ... here.
11085 (commit_one_edge_insertion): Detect a return instruction being
11086 emitted to an edge. Emit a barrier following; clear fallthru.
11087 (commit_edge_insertions): Verify CFG consistency.
11088 * function.c (expand_function_start): Kill unused variable.
11089 (expand_function_end): Likewise.
11090 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
11091 to insert the epilogue.
11093 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
11094 (delete_null_pointer_checks): Likewise.
11095 * output.h: Likewise.
11096 * reg-stack.c (reg_to_stack): Likewise.
11097 * toplev.c (rest_of_compilation): Likewise. Run
11098 thread_prologue_and_epilogue_insns after rebuilding the CFG.
11100 2000-01-28 Richard Henderson <rth@cygnus.com>
11102 * Makefile.in (flow.o): Revert 24 Jan change.
11103 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
11104 FUNCTION_VALUE result to DECL_RESULT's mode.
11106 * haifa-sched.c (schedule_insns): Don't recompute reg info
11109 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
11111 * configure.in: Make --enable-cpplib the default.
11112 * configure: Regenerate.
11113 * gcc.dg/990119-1.c: No longer expected to fail.
11115 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
11117 * jump.c (jump_optimize_1): Delete an optimization that is also done
11118 by merge_blocks in flow.
11120 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11122 * diagnostic.c (build_message_string, output_printf,
11123 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
11124 (build_location_prefix): Fix non-literal format string.
11126 2000-01-27 Richard Henderson <rth@cygnus.com>
11128 * alpha.md (trunctfsf2): New.
11130 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
11132 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
11134 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11136 * cppinit.c (cpp_handle_option): Recognize C++ comments under
11138 * cpplib.c (skip_block_comment, skip_line_comment): Split code
11140 (skip_comment) ... here. Permit C++ comments in system
11141 headers always. Warn about C++ comments in user code under
11142 -std=gnu89 -pedantic.
11143 (copy_comment): Use skip_comment.
11144 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
11146 (consider_directive_while_skipping, do_else, do_endif): Call
11147 validate_else unconditionally.
11148 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
11149 text after the conditional in a system header.
11150 * cpplib.h (struct cpp_buffer): Add flag
11151 warned_cplusplus_comments.
11153 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11155 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
11156 Use unshare_all_rtl_1.
11157 (unshare_all_rtl_again): New function.
11158 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
11160 * function.c (purge_addressof_1): Use unshare_all_rtl_again
11161 rather than resetting the 'used' flags ourself.
11163 * toplev.c (rest_of_compilation): Add current_function_decl
11164 to the unshare_all_rtl call.
11165 * tree.h: Prototype unshare_all_rtl.
11166 * rtl.h: Prototype unshare_all_rtl_again here.
11168 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11170 * genoutput.c (output_prologue): Include ggc.h in generated
11172 * Makefile.in (insn-output.o): Depends on ggc.h.
11174 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
11175 Hans-Peter Nilsson <hp@bitrange.com>
11177 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
11178 Remove redundant include of xm-ns32k.h.
11179 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
11180 Remove redundant include of xm-ns32k.h.
11181 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
11182 Remove redundant include of xm-ns32k.h.
11183 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
11185 * ns32k/ns32k.h: Update comment on multiply-add instructions.
11186 (TARGET_SWITCHES): Add documentation strings.
11187 (DWARF_FRAME_REGNUM): Override default definition.
11188 (REG_CLASS_CONTENTS): Add comments.
11189 (SUBSET_P): Format to reduce line length.
11190 (SMALL_REGISTER_CLASSES): Make a run time option.
11191 (GO_IF_NONINDEXED_ADDRESS): Reformat.
11192 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
11193 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
11194 (regclass_map): fix typo in comment.
11195 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
11196 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
11197 (trace, reg_or_mem_operand): Delete, unused function.
11198 (calc_address_cost): Small offsets are cheaper than large ones.
11199 (expand_block_move): Generate more efficient code when bytes is a
11200 known at compile time.
11201 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
11202 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
11203 instead of reg_or_mem_operand.
11205 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
11206 not general_operand. Similarly use "=rm" or stricter, not "=g".
11207 For input operands, use stricter constraints than "g" if not
11208 general_operand. Similarly use stricter predicate than
11209 "general_operand" when stricter constraints than "g" are present,
11210 except for matching constraints.
11211 (movstrsi): Use "memory_operand" for operands 0 and 1.
11212 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
11213 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
11214 not reg_or_mem_operand.
11215 (udivmoddisi4): Ditto.
11216 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
11217 Use nonimmediate_operand for operand 3, not register_operand.
11218 (udivmoddiqi4_internal): Use register_operand for operand 1, not
11219 reg_or_mem_operand.
11221 2000-01-27 Fred Fish <fnf@be.com>
11223 * gthr-posix.h: Fix typo; compatibily -> compatibility.
11224 * gthr-single.h: Likewise.
11225 * gthr-solaris.h: Likewise.
11226 * gthr-vxworks.h: Likewise.
11227 * gthr-win32.h: Likewise.
11228 * gthr.h: Likewise.
11230 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11232 * cppinit.c: Add " (cpplib)" to end of string printed by
11235 2000-01-27 Richard Henderson <rth@cygnus.com>
11237 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
11238 testing for a signed comparison.
11239 (alpha_emit_floatuns): New.
11240 * alpha-protos.h: Declare it.
11241 * alpha.md (floatunsdisf2, floatunsdidf2): New.
11242 (extendsfdf2): Tidy.
11244 2000-01-27 Jakub Jelinek <jakub@redhat.com>
11246 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
11247 no -g option specifying debugging format, default to -gstabs+.
11249 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11251 * calls.c (special_function_p): New argument fork_or_exec.
11252 (expand_call): When profile_arc_flag is set and the function
11253 is in the fork_or_exec group, call __bb_fork_func first.
11254 * libgcc2.c, _bb module (__bb_fork_func): New function.
11255 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
11257 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
11258 * tree.h (special_function_p): Update prototype.
11260 2000-01-26 Richard Henderson <rth@cygnus.com>
11262 * alpha.c (alpha_split_tfmode_pair): New.
11263 * alpha-protos.h: Declare it.
11264 * alpha.md (abstf2, negtf2): New.
11265 (movtf insn): Add input G constraint.
11266 (movtf splitter): Use alpha_split_tfmode_pair.
11268 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11270 * i386/cygwin.h: PROTO -> PARAMS.
11272 2000-01-26 Jakub Jelinek <jakub@redhat.com>
11274 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
11275 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
11276 using _Qp_cmp/_Q_cmp and testing the return value.
11277 (print_operand): Call reverse_condition_maybe_unordered if
11278 we are handling CCFPmode or CCFPEmode.
11279 Handle ORDERED, UN* and LTGT comparisons.
11280 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
11281 if not TARGET_HARD_QUAD.
11282 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
11283 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
11284 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
11285 Adjust gen_b* calls so that they reflect return comparison of
11286 sparc_emit_float_lib_cmp.
11288 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11290 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
11291 incoming operands array is large enough for one more operand.
11292 (alpha_emit_xfloating_arith): Likewise.
11294 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11296 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
11297 file with one line and no trailing newline.
11298 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
11299 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
11300 checking if the match is on the line.
11301 * fixinc/gnu-regex.c: Provide regerror not __regerror.
11303 2000-01-25 Richard Henderson <rth@cygnus.com>
11305 * sparc.c (output_cbranch): Fix accidental squashing of the
11306 fp branch pre-delay nop.
11308 2000-01-25 Richard Henderson <rth@cygnus.com>
11310 * tree.def (UNNE_EXPR): Remove.
11311 * c-typeck.c (build_binary_op): Don't handle it.
11312 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
11314 * rtl.def (UNNE): Remove.
11316 * jump.c (reverse_condition): Update accordingly.
11317 (swap_condition): Likewise.
11318 (comparison_dominates_p): Handle unordered comparisons.
11319 (reverse_condition_maybe_unordered): New.
11320 * rtl.h (reverse_condition_maybe_unordered): Declare.
11322 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
11323 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
11324 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
11325 * sparc.md (bltgt): New.
11327 2000-01-25 Nick Clifton <nickc@redhat.com>
11329 * emit-rtl.c (emit_insn): Only check machine class insns for
11330 improper emission of a RETURN.
11332 2000-01-25 Richard Henderson <rth@cygnus.com>
11334 * Makefile.in (flow.o): Depend on $(EXPR_H).
11335 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
11336 duplicate the structure of diddle_return_value for keeping regs live.
11338 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11340 * loop.c (current_loop_info): Delete.
11341 (consec_sets_invariant_p): Add loop argument, update callers.
11342 (get_condition_for_loop): Likewise.
11343 (count_nonfixed_reads, update_giv_derive): Likewise.
11344 (simplify_giv_expr, general_induction_var): Likewise.
11345 (consec_sets_giv, recombine_givs): Likewise.
11346 (move_movables): Delete loop_start and loop_end arguments,
11347 add loop argument, and update callers.
11348 (find_mem_givs, check_final_value): Likewise.
11349 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
11350 (loop_invariant_p): Rename from invariant_p, add loop argument, and
11352 (basic_induction_var): Add loop argument, delete loop_level argument,
11353 and update callers.
11354 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
11355 add loop argument, and update callers.
11356 (find_splittable_regs, find_splittable_givs): Likewise.
11357 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
11358 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
11359 (biv_total_increment): Delete loop_start and loop_end arguments;
11361 (precondition_loop_p): Delete loop_start and loop_info arguments;
11363 * loop.h (get_condition_for_loop): Add loop argument.
11364 (biv_total_increment): Delete loop_start and loop_end arguments.
11365 (precondition_loop_p): Delete loop_start and loop_info arguments;
11367 (final_biv_value): Delete loop_start and loop_end arguments;
11369 (final_giv_value, back_branch_in_range_p): Likewise.
11371 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11373 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
11375 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11377 * Makefile.in (c-gperf.h) : Change the "See" pointer to
11378 point to the new "generated_files" doc.
11380 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11382 * config/fp-bit.c (_unord_f2): Fix typo.
11384 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11386 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
11387 c-typeck.c, objc/objc-act.c: Remove all references to obstack
11388 functions obsoleted by GC, such as push_obstacks_nochange,
11389 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
11390 and code which existed only to decide whether or not to call
11391 them. Remove now-unused NESTED argument from start_function;
11392 all callers changed. Do not change behavior based on ggc_p.
11393 The use of the ixp_obstack in c-iterate.c and the util_obstack
11394 in objc/objc-act.c remain; these are not obsoleted by garbage
11396 * c-tree.h: Update prototype for start_function.
11398 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
11400 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11402 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
11405 2000-01-25 Richard Henderson <rth@cygnus.com>
11407 * sparc-protos.h (select_cc_mode): Declare.
11408 * sparc.c (select_cc_mode): New. Handle unordered compares.
11409 (output_cbranch): Always reverse via code change. Handle
11410 unordered compares. Factor tests and string updates.
11411 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
11412 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
11413 * sparc.md (bunordered, bordered): New.
11414 (bungt, bunlt, buneq, bunge, bunle): New.
11416 2000-01-25 Richard Henderson <rth@cygnus.com>
11418 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
11419 * ggc-common.c (ggc_add_rtx_varray_root): New.
11420 (ggc_mark_rtx_varray): New.
11421 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
11422 functions down below ggc_mark_foo.
11423 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
11425 2000-01-25 Richard Henderson <rth@cygnus.com>
11427 * alpha.c (secondary_reload_class): Don't allocate a secondary
11428 for integral mode memories into FLOAT_REGS. Rearrange the more
11429 complicated memory expression inward.
11431 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11433 * inclhack.def: Fixes to play nicer with FreeBSD, and
11434 corrections to comments.
11435 (cxx_unready): Add select expression.
11436 (irix_sockaddr): Add bypass expression.
11437 (machine_ansi_h_va_list): New fix.
11438 (stdio_va_list): No need to edit _BSD_VA_LIST_.
11439 Split out addition of "#include <stdarg.h>" to...
11440 (stdio_stdarg_h): ... here.
11441 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
11442 to stdlib.h also. Do not munge _BSD_SIZE_T_.
11443 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
11445 (ultrix_ifdef): Tighten up select expression.
11447 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
11448 re_ct and max_mach to avoid use of shell. Make printed names
11449 match names in inclhack.def. Use static copyright date.
11450 Don't count c_test and test expressions as requiring regex_t
11451 slots. Add some commentary.
11452 * inclhack.tpl: Do not include the 'This script contains N
11453 fixup scripts' line if PROGRAM is defined. Use static
11456 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
11458 * dwarf2out.c: include "varray.h", not dyn-string.h.
11459 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
11460 (addr_const_to_string, addr_to_string): Lose.
11461 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
11462 (struct dw_val_struct): val_addr is now an rtx.
11463 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
11464 (used_rtx_varray): New varray.
11465 (dwarf2out_init): Initialize it.
11466 (save_rtx): New fn.
11467 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
11469 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
11470 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
11471 * Makefile.in (dwarf2out.o): Update dependencies.
11473 2000-01-24 Richard Henderson <rth@cygnus.com>
11475 * i386.c (i386_dwarf_output_addr_const): New.
11476 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
11478 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
11480 * dwarfout.c (output_mem_loc_descriptor): Likewise.
11481 * i386.c (i386_simplify_dwarf_addr): New.
11482 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
11484 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
11486 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
11487 TYPE_STUB_DECL is NULL.
11489 2000-01-24 Richard Henderson <rth@cygnus.com>
11491 * builtins.c (expand_tree_builtin): Move ...
11492 * c-common.c (expand_tree_builtin): ... here.
11494 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11496 * loop.h (LOOP_INFO): New accessor macro.
11497 * basic-block.h (struct loop): Rename field `info' to `aux'.
11498 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
11499 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
11500 * unroll.c (loop_iterations, unroll_loop): Likewise.
11502 2000-01-24 Christopher Faylor <cgf@cygnus.com>
11504 * config/i386/t-cygwin: Accomodate new winsup directory layout
11505 when searching for include files.
11507 2000-01-24 Richard Henderson <rth@cygnus.com>
11509 * rtl.def: Add unordered fp comparisions.
11510 * tree.def: Likewise.
11511 * tree.h: Add ISO C 9x unordered fp comparision builtins.
11513 * builtins.c (expand_tree_builtin): New function.
11514 * c-typeck.c (build_function_call): Use it.
11515 (build_binary_op): Support unordered compares.
11516 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
11518 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
11519 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
11520 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
11521 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
11522 * jump.c (reverse_condition): Don't abort for UNLE etc, but
11524 (swap_condition): Handle unordered compares.
11525 (thread_jumps): Check can_reverse before reversing.
11526 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
11529 * optabs.c (can_compare_p): New argument CODE. Verify branch or
11530 setcc is present before acking for cmp_optab. Update all callers.
11531 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
11532 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
11533 * expr.c (expand_expr): Likewise. Support unordered compares.
11534 (do_jump, do_store_flag): Likewise.
11535 * expr.h (enum libfunc_index): Add unordered compares.
11537 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
11538 (DPBIT_FUNCS): Add _unord_df.
11539 * config/fp-bit.c (_unord_f2): New.
11540 * fp-test.c (main): Try unordered compare builtins.
11542 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
11543 * alpha.c (alpha_comparison_operator): Check mode properly.
11544 (alpha_swapped_comparison_operator): Likewise.
11545 (signed_comparison_operator): Likewise.
11546 (alpha_fp_comparison_operator): New.
11547 (alpha_emit_conditional_branch): Handle unordered compares.
11548 * alpha.h (PREDICATE_CODES): Update.
11549 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
11550 (bunordered, bordered): New.
11552 2000-01-24 Richard Henderson <rth@cygnus.com>
11554 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
11555 * alpha.md (movtf): New expander, insn, and splitter.
11557 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
11559 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11562 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
11564 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
11565 (FIXED_REGISTERS, CALL_USED_REGISTERS,
11566 REG_ALLOC_ORDER): Add frame pointer
11567 (FRAME_POINTER_REGNUM): Set to 20
11568 (HARD_FRAME_POINTER_REGNUM): New macro.
11569 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
11570 to HARD_FRAME_POINTER.
11571 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
11572 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
11573 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
11574 (HI_REGISTER_NAMES): Add "frame".
11575 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
11576 (debug_reg): Handle FRAME_POINTER_REGNUM.
11577 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
11578 GENERAL_REGS and INDEX_REGS.
11579 * i386.c (SAVED_REGS_FIRST): new macro.
11580 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
11581 (ix86_decompose_address, memory_address_length): Likewise.
11582 (regclass_map): Add frame pointer.
11583 (call_insn_operand): Handle frame_pointer_rtx.
11584 (reg_no_sp_operand): Likewise.
11585 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
11586 (print_operand, legitimize_pic_address): Fix formating.
11587 (ix86_compute_frame_size): Make static, update prototype, new
11588 parameters padding1, padding2, use ix86_nsaved_regs, use
11589 stack_alignment_needed.
11590 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
11591 to HARD_FRAME_POINTER_REGNUM conversions.
11592 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
11593 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
11594 (print_reg): Abort on FRAME_POINTER_REGNUM
11596 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
11598 * i386.h (PREDICATE_CODES): Add aligned_operand.
11599 * i386.c (aligned_operand): New function.
11600 (ix86_aligned_p): Kill.
11601 * i386.md (movhi_1): Emit mov for aligned operands.
11602 (promoting peep2s): Use aligned_operand.
11604 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
11606 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
11607 expression to allow underscores in macro names.
11608 (fix_char_macro_defines): Increment scanning pointer.
11610 2000-01-23 Richard Henderson <rth@cygnus.com>
11612 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
11613 * alpha/osf5.h: New file.
11614 * configure.in (alpha-*-osf5): Add it to tm_file.
11616 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
11618 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
11619 (alpha_emit_xfloating_cvt, function_arg): Declare.
11620 * alpha.c (alpha_emit_conditional_branch): Call
11621 alpha_emit_xfloating_compare for TFmode compares.
11622 (alpha_lookup_xfloating_lib_func): New.
11623 (alpha_compute_xfloating_mode_arg): New.
11624 (alpha_emit_xfloating_libcall): New.
11625 (alpha_emit_xfloating_arith): New.
11626 (alpha_emit_xfloating_compare): New.
11627 (alpha_emit_xfloating_cvt): New.
11628 (print_operand): Add default abort case.
11629 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
11630 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
11631 (BIGGEST_ALIGNMENT): Increase to 128 bits.
11632 (RETURN_IN_MEMORY): True for TF/TCmode.
11633 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
11634 (FUNCTION_ARG): Move to function_arg.
11635 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
11636 (ASM_OUTPUT_LONG_DOUBLE): New.
11637 (ASM_OUTPUT_DOUBLE): Always output bits.
11638 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
11639 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
11640 (extenddftf2, trunctfdf2): New.
11642 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11644 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
11645 * config/sparc/sol2.h: ... here.
11647 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11649 * basic-block.h (struct loops): New field `levels'.
11650 * flow.c (flow_loops_level_compute): Traverse all outer loops.
11651 (flow_loop_level_compute): Initialise level to 1.
11652 (flow_loops_find): Set loops->levels.
11653 (flow_loops_dump): Print loops->levels.
11655 2000-01-23 Richard Henderson <rth@cygnus.com>
11657 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
11658 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
11660 2000-01-23 Richard Henderson <rth@cygnus.com>
11662 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
11663 * i386.h (DBX_REGISTER_NUMBER): Use them.
11664 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
11665 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
11666 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
11667 * i386/sequent.h: Kill incorrect comment.
11669 2000-01-23 Mark Mitchell <mark@codesourcery.com>
11671 * ggc-page.c (struct page_entry): Make `context_depth' an
11673 (struct globals): Likewise.
11675 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
11677 * loop.c (check_dbra_loop): When checking a loop for
11678 reversability, check the source of any stores to ensure
11679 they don't depend on an initial value.
11681 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11683 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
11685 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
11687 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
11688 'pz_scan' into scope of entire function. Only affects
11689 compiles with -DDEBUG.
11691 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
11693 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
11694 section naming to that prior to 2000-01-07 patch.
11695 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
11696 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
11697 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
11698 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
11699 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
11701 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
11703 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
11706 2000-01-21 Jim Wilson <wilson@cygnus.com>
11708 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
11709 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
11711 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
11713 * cpphash.c (change_newlines): Delete function.
11714 (struct argdata): Delete 'newlines' and 'use_count' fields.
11715 (macroexpand): Remove code referencing those fields.
11717 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11719 * loop.c (loops_info): New variable.
11720 (loop_optimize): Allocate loops->array and free it on exit.
11721 Allocate memory for loops_info and assign to each loop,
11723 (find_and_verify_loops): Do not allocate loops->array.
11725 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
11727 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
11729 2000-01-21 Jakub Jelinek <jakub@redhat.com>
11731 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
11732 pseudos if expanded after first flow.
11733 (movdi_pic_label_ref): Likewise.
11735 2000-01-20 Richard Henderson <rth@cygnus.com>
11737 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
11739 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
11741 * Makefile.in (fixinc.sh): Depend on specs.
11742 * fixinc/Makefile.in: Add rule to create machname.h.
11743 (fixlib.o): Depend on machname.h.
11744 * fixinc/fixtests.c (machine_name): New test.
11745 * fixinc/fixfixes.c (machine_name): New fix.
11746 * fixinc/fixlib.c (mn_get_regexps): New helper function for
11747 the machine_name test and fix.
11748 * fixinc/fixlib.h: Prototype it.
11749 * fixinc/inclhack.def (machine_name): Use the C test and fix.
11750 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
11752 * gcc.c (do_spec_1) [case P]: Take care not to create
11753 identifiers with three leading or trailing underscores.
11755 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
11756 (fixincl): Don't specify libraries twice on link line.
11757 (gnu-regex.o): Remove special rule.
11758 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
11759 defined by config.h. Do not define _REGEX_RE_COMP.
11760 (regcomp): Allocate and initialize a fastmap.
11761 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
11763 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
11765 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
11767 2000-01-19 Richard Henderson <rth@cygnus.com>
11769 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
11770 arguments with BB. Update all callers. Tidy line wrapping.
11772 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
11774 * emit-rtl.c (try_split): Return last_insn if we split the
11777 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
11779 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
11780 (ix86_initial_elimination_offset): Declare.
11781 * i386.c (ix86_nsaved_regs): Break out from ...
11782 (ix86_can_use_return_insn_p): ... here.
11783 (ix86_emit_save_regs): Break out from ...
11784 (ix86_expand_prologue): ... here.
11785 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
11787 (ix86_expand_epilogue): ... here.
11788 (ix86_compute_frame_size): Make static, add prototype.
11789 (ix86_initial_elimination_offset): Break out from ...
11790 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
11792 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11794 * recog.h (OUT_FCN): Delete.
11796 * vax.md: Call `get_insn_template' instead of OUT_FCN.
11798 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11800 * cppalloc.c: PROTO -> PARAMS.
11801 * cpperror.c: Likewise.
11802 * cppfiles.c: Likewise.
11803 * cpplib.c: Likewise.
11804 * cpplib.h: Likewise.
11806 * config/arm/arm-protos.h: PROTO -> PARAMS.
11807 * config/arm/arm.c: Likewise.
11808 * config/c4x/c4x.c: Likewise.
11809 * config/fr30/fr30-protos.h: Likewise.
11810 * config/nextstep.c: Likewise.
11811 * config/pa/pa.c: Likewise.
11812 * config/pj/pj.c: Likewise.
11813 * config/rs6000/rs6000.c: Likewise.
11814 * config/v850/v850-protos.h: Likewise.
11815 * config/v850/v850.c: Likewise.
11817 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11819 * i370-protos.h: New file.
11821 * i370.c: Include tm_p.h. Fix compile time warnings.
11823 * i370.h: Move prototypes to i370-protos.h. Fix compile time
11826 * i370.md: Likewise.
11828 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11830 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
11831 (target_isinf, target_isnan, eisnan): Mark parameter with
11833 (eiisinf): Wrap in INFINITY.
11834 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
11835 (ibmtoe): Remove unused variable `rndsav'.
11837 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11839 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
11840 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
11842 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
11844 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
11845 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
11846 (fix_char_macro_defines, fix_char_macro_uses): New functions.
11848 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
11849 Recognize Emacs mode markers also.
11850 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
11851 C++ comments in C++ headers. Call is_cxx_header only if
11854 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
11855 bypass for ncurses.
11856 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
11857 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
11858 ... these, which use the new C fixes.
11859 (math_exception): Escape literal '+' in bypass expression.
11861 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
11864 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11866 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
11869 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11871 * loop.c (loop_optimize): Allocate loop_info structure for each loop
11872 prior to calling scan_loop.
11874 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11876 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
11877 (split_branches, calc_live_regs): Likewise.
11879 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11881 * sh.md (fpu_single, fp_mode): New attributes.
11883 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11885 * loop.c (current_loop_info): Renamed from loop_info_data
11886 and changed to a pointer.
11887 (loop_optimize): Allocate loop_info structure for each loop
11888 and initialise to zero.
11889 (scan_loop): Set current_loop_info.
11891 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
11894 2000-01-19 Richard Henderson <rth@cygnus.com>
11896 * stupid.c: Die die die.
11897 * Makefile.in (OBJS): Remove stupid.o.
11898 (stupid.o): Likewise.
11900 * except.c (emit_eh_context): Don't emit USEs for stupid.
11901 * explow.c (probe_stack_range): Likewise.
11902 * flags.h (obey_regdecls): Remove.
11903 * flow.c (find_basic_blocks): Don't run try_merge_blocks
11904 when not optimizing.
11905 (life_analysis): Limit data collection when not optimizing.
11906 (mark_regs_live_at_end): Always mark the return value registers.
11907 (mark_used_regs): Remove dummy RETURN case.
11908 (print_rtl_with_bb): Don't consult obey_regdecls.
11909 * function.c (use_variable, use_variable_after): Remove.
11910 (assign_parms): Consult optimize not obey_regdecls.
11911 (expand_function_start): Don't emit USEs for stupid.
11912 (expand_function_end): Likewise.
11913 * global.c (build_insn_chain): Export.
11914 * integrate.c (expand_inline_function): Kill return-value USE
11916 * jump.c (jump_optimize_1): Do simple jump optimizations and
11917 dead code elimination.
11918 (calculate_can_reach_end): Remove check_deleted argument.
11919 (delete_insn): Patch out insns even when not optimizing.
11920 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
11921 * rtl.h (use_variable, use_variable_after): Remove declarations.
11922 (build_insn_chain): Declare.
11923 * stmt.c (expand_value_return): Don't emit USEs for stupid.
11924 (expand_end_bindings): Likewise.
11925 (expand_decl): Likewise. Consult optimize not obey_regdecls.
11926 * toplev.c (obey_regdecls): Remove.
11927 (rest_of_compilation): Don't set it. Kill stupid in favour of
11928 flow1, local-alloc, and reload.
11929 (main): Don't set obey_regdecls.
11931 * config/nextstep.c (handle_pragma): Likewise.
11933 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
11935 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
11937 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11939 * alpha-protos.h: PROTO -> PARAMS.
11940 * alpha.c: Likewise.
11942 * h8300.c: Likewise.
11943 * i386-protos.h: Likewise.
11944 * i386.c: Likewise.
11945 * m32r-protos.h: Likewise.
11946 * m32r.c: Likewise.
11947 * mips.c: Likewise.
11948 * mips.md: Likewise.
11949 * gmon-sol2.c: Likewise.
11950 * sparc.c: Likewise.
11952 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11954 * ns32k-protos.h: New file.
11956 * ns32k.c: Fix compile time warnings.
11958 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
11961 * ns32k.md: Likewise.
11963 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11965 * vax-protos.h: New file.
11967 * vax.c: Fix compile time warnings.
11969 * vax.h: Move prototypes to vax-protos.h. Fix compile time
11972 * vax.md: Likewise.
11974 * vaxv.md: Likewise.
11976 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11978 * romp-protos.h: New file.
11980 * romp.c: Fix compile time warnings.
11982 * romp.h: Move prototypes to romp-protos.h. Fix compile time
11985 * romp.md: Likewise.
11987 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11989 * we32k-protos.h: New file.
11991 * we32k.c: Fix compile time warnings.
11993 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
11996 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11998 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
12000 * except.c (eh_regs): Likewise.
12002 * final.c (output_operand): Likewise.
12004 * fold-const.c (target_isinf, target_isnan): Likewise.
12006 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12008 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
12009 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
12011 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
12012 when optimize_size.
12013 (clrstrsi): Rewrite.
12014 (strsethi, strsetqi): New expanders.
12015 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
12016 (cmpstrsi): Emit compare insn before cmpstrsi_1
12017 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
12018 (strlensi_1): Likewise.
12019 (cmpstrsi_1): Likewise; do not output compare.
12020 (strlen expander): Do not unroll when optimizing for size.
12021 (*subsi3_carry): Rename to subsi3_carry
12022 (addqi3_cc): New pattern.
12023 * i386.h (processor_costs): Add move_ratio field.
12024 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
12025 * i386.c (*_cost): Set move_ratio.
12026 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
12027 (x86_expand_strlensi_1): Rewrite the main loop.
12029 2000-01-17 Richard Henderson <rth@cygnus.com>
12031 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
12032 * cse.c (find_comparison_args, fold_rtx): Likewise.
12033 * integrate.c (subst_constants): Likewise.
12034 * loop.c (get_condition): Likewise.
12036 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
12038 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
12040 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12042 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
12043 (RESTORE_WARN_FLAGS): Unpack it.
12044 Change semantic type of extension to ttype.
12045 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
12046 * c-parse.y, c-parse.c, objc/objc-parse.y,
12047 objc/objc-parse.c: Regenerate.
12049 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
12051 * fixinc/fixlib.c: Add copyright notice.
12052 (compile_re): New function.
12053 * fixinc/fixlib.h: Prototype compile_re.
12055 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
12056 Use compile_re to compile regular expressions.
12058 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
12059 where the pattern matched.
12061 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
12063 (ultrix_ansi_compat): Likewise.
12064 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
12066 (interactv_add2, interactv_add3): Delete.
12067 (x11_sprintf): Don't use filename glob.
12068 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
12071 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12073 * print-rtl.c: PROTO -> PARAMS.
12074 * real.c: Likewise.
12075 * reg-stack.c: Likewise.
12076 * resource.c: Likewise.
12077 * sdbout.h: Likewise.
12078 * simplify-rtx.c: Likewise.
12079 * stor-layout.c: Likewise.
12080 * stupid.c: Likewise.
12081 * xcoffout.c: Likewise.
12082 * xcoffout.h: Likewise.
12084 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12086 * toplev.c: PROTO -> PARAMS.
12087 * toplev.h: Likewise.
12088 * tree.c: Likewise.
12089 * tree.h: Likewise.
12090 * unroll.c: Likewise.
12091 * varasm.c: Likewise.
12092 * varray.c: Likewise.
12093 * varray.h: Likewise.
12095 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12097 * reload.c: PROTO -> PARAMS.
12098 * reload.h: Likewise.
12099 * reload1.c: Likewise.
12100 * reorg.c: Likewise.
12101 * resource.h: Likewise.
12104 * rtlanal.c: Likewise.
12105 * sbitmap.h: Likewise.
12106 * sdbout.c: Likewise.
12107 * stack.h: Likewise.
12108 * stmt.c: Likewise.
12109 * system.h: Likewise.
12111 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12113 * machmode.h: PROTO -> PARAMS.
12114 * mbchar.h: Likewise.
12115 * mips-tdump.c: Likewise.
12116 * mips-tfile.c: Likewise.
12117 * optabs.c: Likewise.
12118 * output.h: Likewise.
12119 * prefix.c: Likewise.
12120 * profile.c: Likewise.
12121 * protoize.c: Likewise.
12122 * real.h: Likewise.
12123 * recog.c: Likewise.
12124 * recog.h: Likewise.
12125 * regclass.c: Likewise.
12126 * regmove.c: Likewise.
12127 * regs.h: Likewise.
12129 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12131 * ggc-common.c: PROTO -> PARAMS.
12132 * ggc-page.c: Likewise.
12133 * ggc-simple.c: Likewise.
12135 * global.c: Likewise.
12136 * graph.c: Likewise.
12137 * gthr-win32.h: Likewise.
12138 * haifa-sched.c: Likewise.
12139 * halfpic.h: Likewise.
12140 * integrate.c: Likewise.
12141 * integrate.h: Likewise.
12142 * jump.c: Likewise.
12144 * local-alloc.c: Likewise.
12145 * loop.c: Likewise.
12146 * loop.h: Likewise.
12148 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12150 * genattr.c: PROTO -> PARAMS.
12151 * genattrtab.c: Likewise.
12152 * gencheck.c: Likewise.
12153 * gencodes.c: Likewise.
12154 * genconfig.c: Likewise.
12155 * genemit.c: Likewise.
12156 * genextract.c: Likewise.
12157 * genflags.c: Likewise.
12158 * gengenrtl.c: Likewise.
12159 * genopinit.c: Likewise.
12160 * genoutput.c: Likewise.
12161 * genpeep.c: Likewise.
12162 * genrecog.c: Likewise.
12164 2000-01-16 Mark Mitchell <mark@codesourcery.com>
12166 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
12168 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12170 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
12171 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
12172 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
12173 * configure, config.in: Rebuilt.
12175 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
12177 * config/i386/i386.md: Add peephole to merge successive stack
12180 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
12182 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
12183 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
12184 when walking backwards to find all the parameter loads when
12185 the basic block ends in a call.
12187 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12189 * loop.c (this_loop_info): Delete.
12190 (uid_loop): Add in place of uid_loop_num. All uses updated.
12191 (loop_number_exit_count): Delete and replace with entry in loop
12192 structure. All uses updated.
12193 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12194 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12195 (loop_outer_loop): Likewise.
12196 (loop_invalid, loop_number_exit_labels): Likewise.
12197 (loop_used_count_register): Delete and replace with entry in
12198 loop_info structure.
12199 (find_and_verify_loops): Add loops argument.
12200 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
12201 loop_end, etc. arguments with loop structure pointer. All callers
12203 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
12204 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
12205 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
12206 (insert_bct): Likewise.
12207 (basic_induction_var): New argument level.
12208 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
12209 vtop, and cont. Add used_count_register.
12210 (uid_loop): Delete declaration.
12211 (loop_number_exit_count): Likewise.
12212 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12213 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12214 (loop_outer_loop, loop_used_count_register): Likewise.
12215 (loop_invalid, loop_number_exit_labels): Likewise.
12216 (unroll_loop): Replace loop_start and loop_end arguments
12217 with loop structure pointer.
12218 (loop_precondition_p, loop_iterations): Likewise.
12219 Include basic-block.h.
12220 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
12221 with loop structure pointer.
12222 (loop_precondition_p, loop_iterations): Likewise.
12223 * basic-block.h (struct loop): New entries vtop, cont,
12224 cont_dominator, start, end, top, scan_start, exit_labels,
12226 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
12228 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12230 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
12232 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
12234 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
12236 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12238 * pdp11-protos.h: New file.
12240 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
12243 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
12246 * pdp11.md: Likewise.
12248 * 2bsd.h: Likewise.
12250 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12252 * mn10300-protos.h: New file.
12254 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
12257 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
12260 * mn10300.md: Likewise.
12262 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12264 * mn10200-protos.h: New file.
12266 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
12269 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
12272 * mn10200.md: Likewise.
12274 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12276 * h8300-protos.h: New file.
12278 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
12281 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
12284 * h8300.md: Likewise.
12286 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12288 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
12289 (asm_emit_uninitialised): Likewise.
12291 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
12293 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
12294 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
12296 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12298 * config/mips/mips.c (override_options): Don't turn on extra
12299 alignment for mips16.
12301 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12303 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
12304 eabi, and make sure queued POSTINCREMENT rtl is emitted at
12307 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12309 * builtins.c (PAD_VARARGS_DOWN): Define.
12310 (std_expand_builtin_va_arg): Use the above macro.
12311 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
12312 * tm.texi (Register Arguments): Document the above macro.
12314 2000-01-14 Nick Clifton <nickc@cygnus.com>
12316 * emit-rtl.c (emit_insn): If checking is enabled, make sure
12317 that this function has not been used to emit a jump
12320 * jump.c (return_jump_1): Cope with being passed a null rtx.
12322 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12324 * eh-common.h: PROTO -> PARAMS.
12325 * emit-rtl.c: Likewise.
12326 * errors.c: Likewise.
12327 * errors.h: Likewise.
12328 * except.c: Likewise.
12329 * except.h: Likewise.
12330 * explow.c: Likewise.
12331 * expmed.c: Likewise.
12332 * expr.c: Likewise.
12333 * expr.h: Likewise.
12334 * final.c: Likewise.
12335 * fix-header.c: Likewise.
12336 * flow.c: Likewise.
12337 * fold-const.c: Likewise.
12338 * function.c: Likewise.
12339 * function.h: Likewise.
12341 * gcov-io.h: Likewise.
12342 * gcov.c: Likewise.
12343 * gcse.c: Likewise.
12345 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12347 * sh-protos.h: New file.
12349 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
12350 Add static prototypes. Fix compile time warnings.
12352 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
12356 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12358 * arc-protos.h: New file.
12360 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
12363 * arc.h: Move prototypes to arc-protos.h. Fix compile time
12366 * arc.md: Likewise.
12368 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12370 * dsp16xx-protos.h: New file.
12372 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
12375 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
12378 * dsp16xx.md: Likewise.
12380 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12382 * convex-protos.h: New file.
12384 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
12387 * convex.h: Move prototypes to convex-protos.h. Fix compile time
12390 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12392 * elxsi-protos.h: New file.
12394 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
12397 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
12400 * elxsi.md: Likewise.
12402 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12404 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
12405 case for moving from HI/LO/HI_LO_REG. This makes the behavior
12406 match the comment for MIPS16.
12408 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
12410 * flow.c (split_edge): Do not call set_block_for_insn if we
12411 do not have a basic_block_for_insn structure.
12413 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
12414 and destination functions are 32bit aligned within the trampoline.
12415 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
12416 (TRAMPOLINE_ALIGNMENT): Define.
12418 * cse.c (cse_insn): When changing (set (pc) (reg)) to
12419 (set (pc) (label_ref)), verify the change creates a valid insn.
12421 * fr30.c (call_operand): Tighten and rework to match rules for
12422 call RTL expressions.
12423 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
12424 * fr30.md (call patterns): Improve constraints.
12426 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
12428 * fr30.c (fr30_expand_epilogue): Revert last change.
12429 Use emit_jump_insn for the return insn.
12431 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
12432 Stan Cox <scox@cygnus.com>
12434 * predict.c: New file. Preliminary infrastructure work for static
12435 branch prediction and basic block reordering.
12436 * basic-block.h: Add prototype for estimate_probability.
12437 * Makefile.in: Add rules for predict.o.
12439 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
12441 * fixincludes (va_list): Use __not_va_list__ for the dummy.
12442 * fixinc/*: Likewise.
12444 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12446 * cccp.c: PROTO -> PARAMS.
12447 * cexp.y: Likewise.
12448 * collect2.c: Likewise.
12449 * combine.c: Likewise.
12450 * convert.h: Likewise.
12452 * dbxout.c: Likewise.
12453 * dbxout.h: Likewise.
12454 * diagnostic.c: Likewise.
12455 * doprint.c: Likewise.
12456 * dwarf2out.c: Likewise.
12457 * dwarf2out.h: Likewise.
12458 * dwarfout.c: Likewise.
12459 * dwarfout.h: Likewise.
12460 * dyn-string.h: Likewise.
12462 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12464 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
12465 macro conditionals guarding use.
12467 * dwarf2out.c: Include "tm_p.h".
12469 * function.c (locate_and_pad_parm): Mark parameter with
12471 (expand_function_end): Likewise for variable `context'.
12473 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
12475 2000-01-13 Nick Clifton <nickc@cygnus.com>
12477 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
12478 register to prevent compile time warnings.
12480 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
12482 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
12483 to avoid -Wtraditional warning.
12485 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12487 * 1750a-protos.h: New file.
12489 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
12492 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
12495 * 1750a.md: Likewise.
12497 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12499 * a29k-protos.h: New file.
12501 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
12504 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
12507 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12509 * clipper-protos.h: New file.
12511 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
12514 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
12517 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12519 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
12521 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
12523 * configure.in (--enable-new-gxx-abi): New option.
12524 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
12525 * Makefile.in (GXX_ABI_FLAG): New variable.
12526 * configure: Regenerate.
12528 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12530 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
12531 * tm.texi (FORCE_STRUCT_BLK): Document.
12532 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
12534 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
12536 * config/ns32k/ns32k.md: Revert Jan 9 change.
12538 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
12539 to a mode-test, if the predicate is address_operand.
12541 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
12543 * combine.c (if_then_else_cond): Be careful about what kinds
12544 of RTL expressions are passed to operand_subword.
12546 * flow.c (split_edge): If we have to insert a new jump, make
12547 sure to associate it with a basic block.
12549 * flow.c (commit_one_edge_insertion): A block with one successor
12550 can end in a JUMP_INSN that is not a simplejump.
12552 2000-01-12 Robert Lipe <robertl@sco.com>
12554 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
12555 (BUILD_VA_LIST_TYPE): Define.
12556 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
12559 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
12561 * cccp.c (do_pragma): Add cast to (char *).
12563 2000-01-12 Richard Henderson <rth@cygnus.com>
12564 Fred Fish <fnf@be.com>
12565 Jason Merrill <jason@cygnus.com>
12567 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
12568 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
12569 * i386/beos-elf.h, i386/beos-pe.h: New files.
12571 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
12572 * cross-make (SYSTEM_HEADER_DIR): Define using
12573 CROSS_SYSTEM_HEADER_DIR.
12575 * gcc.c (LIBRARY_PATH_ENV): Provide default.
12576 (process_command): Use it.
12577 (main): Likewise. Kill trailing = from env vars.
12578 (build_search_list): Put it back.
12579 * collect2.c (main): Use LIBRARY_PATH_ENV.
12581 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
12582 * toplev.c: Use NEED_DECLARATION_ENVIRON.
12584 * tm.texi (Frame Layout): Document SMALL_STACK.
12585 * c-common.c (c_common_nodes_and_builtins): Check it.
12587 * system.h: Undef alloca after including glibc's <stdlib.h>,
12588 if USE_C_ALLOCA is defined.
12590 * gcc.c (set_input): New fn.
12591 (main): After all input files are compiled, reset the input file
12594 * aclocal.m4 (rindex, index): If already defined, don't attempt
12597 * ginclude/varargs.h: (__va_list__): Define ifndef.
12598 * ginclude/stdarg.h: Likewise.
12600 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
12601 instead of unsigned char.
12603 * hash.h (true, false, boolean): Undef before enum.
12605 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
12606 proper type of "HOST_WIDE_INT *", rather than their natural type of
12607 "unsigned HOST_WIDE_INT *".
12609 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12611 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
12613 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
12615 * regclass.c (choose_hard_reg_mode): Likewise.
12617 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
12619 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
12621 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12623 * c-common.c: PROTO -> PARAMS.
12624 * c-common.h: Likewise.
12625 * c-decl.c: Likewise.
12626 * c-iterate.c: Likewise.
12627 * c-lang.c: Likewise.
12628 * c-lex.c: Likewise.
12629 * c-lex.h: Likewise.
12630 * c-parse.in: Likewise.
12631 * c-pragma.c: Likewise.
12632 * c-pragma.h: Likewise.
12633 * c-tree.h: Likewise.
12634 * c-typeck.c: Likewise.
12635 * objc/objc-act.c: Likewise.
12636 * objc/objc-act.h: Likewise.
12638 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12640 * m88k-protos.h: New file.
12642 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
12645 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
12647 * m88k.md: Likewise.
12649 * tekXD88.h: Likewise.
12651 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12653 * m68k-protos.h: New file.
12655 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
12658 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
12660 * mot3300.h: Likewise.
12662 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
12664 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
12666 (extract_bitlist): Declare bitlen.
12668 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
12670 * cccp.c: Accept and ignore -lang-fortran.
12672 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
12673 qualifiers don't match at any level of pointerness.
12675 2000-01-12 Robert Lipe <robertl@sco.com>
12677 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
12679 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
12681 * reload1.c (reload_reg_unavailable): New static variable.
12682 (reload_reg_free_p): Test it.
12683 (reload_reg_free_for_value_p): Test it instead of
12685 (choose_reload_regs_init): Compute it.
12687 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
12689 * reorg.c (fill_slots_from_thread): Check modified_in_p
12692 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
12694 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
12695 these nodes even if INTERNALS is not set.
12697 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
12699 * gcse.c (delete_null_pointer_checks_1): Cope when
12700 get_condition cannot determine the condition.
12702 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
12704 * toplev.h (set_message_length): Declare.
12706 * diagnostic.c (obstack_chunk_alloc): Define macro.
12707 (obstack_chunk_free): Likewise.
12708 (struct output_buffer): New data structure.
12709 (vmessage): Remove.
12710 (output_maximum_width): New variable.
12711 (doing_line_wrapping, set_message_length, init_output_buffer,
12712 get_output_prefix, output_space_left, emit_output_prefix,
12713 output_newline, output_append, output_puts, dump_output,
12714 vbuild_message_string, build_message_string, build_location_prefix,
12715 voutput_notice, output_printf, line_wrapper_printf,
12716 vline_wrapper_message_with_location): New functions. Implement
12717 automatic line wrapping.
12718 (v_message_with_decl): Make it handle automatic line wrapping.
12719 (v_error_with_file_and_line): Likewise.
12720 (v_warning_with_file_and_line): Likewise.
12721 (announce_function): Likewise.
12722 (default_print_error_function): Likewise.
12724 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
12726 * cpplib.h (struct cpp_options): Change lang_asm to char.
12728 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
12729 done in cpp_handle_option now.
12730 (initialize_builtins): Take out special case code used only by
12732 (cpp_handle_option): Turn off trigraphs and trigraph warnings
12733 if -traditional. Recognize -lang-fortran and set
12734 lang_fortran, also turn off cplusplus_comments.
12735 (print_help): Document -lang-fortran.
12736 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
12737 lang_asm. Ignore all directives other than `# 123 "file"' if
12739 (cpp_get_token): If -traditional, don't recognize directives
12740 unless the # is in column 1.
12741 (parse_string): If lang_fortran or lang_asm, silently
12742 terminate strings ('' or "") at end of line.
12743 Remove unnecessary braces.
12745 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12746 Richard Henderson <rth@cygnus.com>
12748 * resource.c (mark_referenced_resources): Mark a set strict_low_part
12750 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
12751 strict_low_part when possible.
12753 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12755 * alias.c: PROTO -> PARAMS.
12756 * basic-block.h: Likewise.
12757 * bitmap.c: Likewise.
12758 * bitmap.h: Likewise.
12759 * builtins.c: Likewise.
12760 * c-aux-info.c: Likewise.
12761 * caller-save.c: Likewise.
12762 * calls.c: Likewise.
12764 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12766 * Makefile.in (toplev.o): Depend on regs.h.
12768 * output.h (tdesc_section): Prototype.
12770 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
12772 * sdbout.c: Include "tm_p.h".
12774 * toplev.c: Include "regs.h".
12776 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
12778 * unroll.c (unroll_loop): Add EH support.
12780 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12782 * pa-protos.h: New file.
12784 * pa.c: Include recog.h and tm_p.h.
12785 (compute_zdepwi_operands, compute_movstrsi_length,
12786 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
12787 find_addr_reg, import_milli): Add static prototypes.
12788 (pa_cpu_string, pa_arch_string): Constify a char*.
12789 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
12790 (read_only_operand): Add argument `mode'.
12791 (singlemove_string, output_move_double, output_fp_move_double,
12792 output_block_move, output_and, output_ior, output_ascii,
12793 remove_useless_addtr_insns, milli_names, output_mul_insn,
12794 output_div_insn, output_mod_insn, output_arg_descriptor,
12795 output_cbranch, output_bb, output_bvb, output_dbra, ,
12796 output_millicode_call, output_call, hppa_encode_label,
12797 output_parallel_movb, output_parallel_addb): Constify a char*.
12798 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
12799 (output_parallel_addb): Remove extra arg to `constrain_operands'
12801 * pa.h: Move all prototypes to pa-protos.h.
12802 (pa_cpu_string, pa_arch_string): Constify a char*.
12803 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
12805 * pa.md: Call `function_label_operand' with mode argument.
12806 Likewise for `read_only_operand'.
12807 Fix nesting of parens in call to `symbolic_operand'.
12809 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12811 * i860-protos.h: New file.
12813 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
12816 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
12818 * i860.md: Likewise.
12820 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
12822 * i386.md (movstrsi expander): Rewrite.
12823 (movstrsi_1 insn): Deleted.
12824 (strmovhi, strmovqi expander): New expanders.
12825 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
12826 * i386.c (x86_single_stringop): New global variable.
12827 * i386.h (x86_single_stringop): Declare.
12828 (TARGET_SINGLE_STRINGOP): New macro.
12830 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
12832 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
12833 integer vararg POSTINCREMENT before the destination of the jump
12834 for the hard fp case.
12835 (function_arg_pass_by_reference): Pass a copy of CUM to
12838 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
12839 for CONSTANT_ADDRESS_P above while loop for subreg.
12841 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
12843 * flow.c (propagate_block): When a prologue/epilogue insn
12844 is marked dead, unconditionally clear libcall_is_dead and
12845 insn_is_dead, and only dump rtl if warnings aren't being
12848 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
12850 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
12851 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
12852 (FIXED_REGISTERS): Set dirflag as fixed.
12853 (CALL_USED_REGISTERS): Set dirflag as used.
12854 (REG_ALLOC_ORDER): Set dirflag as last one.
12855 (DIRFLAG_REG): New macro.
12856 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
12857 (HI_REGISTER_NAMES): Add dirflag.
12858 (DEBUF_PRINT_REG): Handle dirflag.
12859 * i386.md (type attribute): New cld and str types.
12860 (length_opcode attribute): Set cld and str to 1.
12861 (memory attribute): Set str to unknown - it is not clear from the
12863 (pent_np function unit): Prefixed string operations takes 12 cycles
12864 minimally; cld takes 2 cycles.
12865 (ppro_uops attribute): Str is "many" and cld is "few".
12866 (ppro_p0 unit): Handle cld here.
12867 (k6_alux unit): Handle cld and str types.
12868 (k6_load unit): It is ocupied by str opcodes.
12869 (k6_store unit): It is ocupied by str opcodes.
12870 (athlon_decode): Str is vector decoded.
12871 (athlon_ieu): Handle str and cld.
12872 (cld pattern): New.
12873 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
12874 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
12875 cmpstrsi_nz_1 insn): Do not output cld instruction
12877 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
12879 * gcc.texi (G++ and GCC): Add Java and Chill.
12880 (Bug Critera): Don't list languages.
12882 * gcc.texi (Incompatibilities): No longer claim most C compilers
12885 * gcc.texi (G++ and GCC): Update other front-ends list.
12887 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
12889 * i386.c (ix86_expand_setcc): Fix typo.
12890 (ix86_expand_movcc): Similarly.
12892 * Band-aid until haifa's bitset implementation is nuked.
12893 * haifa-sched.c (extract_bitlst): New parameter for size of the
12894 bitset in bits. All callers changed. Avoid looking at undefined
12895 bits in the bitset.
12896 (edgeset_bitsize): New variable.
12897 (schedule_region): Initialize edgeset_bitsize.
12899 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12901 * Makefile.in (optabs.o): Depend on real.h
12902 (resource.o): Depend on insn-attr.h
12904 * builtins.c (result_vector): Wrap prototype in macro conditions
12905 governing definition and use.
12907 * c-common.c: Include tm_p.h.
12909 * c-lex.c: Likewise.
12911 * elfos.h: Constify a char*.
12913 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
12914 (get_attr_length, shorten_branches, profile_after_prologue): Mark
12915 parameter with ATTRIBUTE_UNUSED.
12917 * fold-const.c (exact_real_inverse): Wrap variable `i' in
12920 * haifa-sched.c (schedule_insns): Mark parameter with
12923 * optabs.c: Include real.h.
12925 * real.h (ereal_atof): Add prototype arguments.
12927 * resource.c: Include insn-attr.h.
12929 * sdbout.c (sdbout_queue_anonymous_type,
12930 sdbout_dequeue_anonymous_types): Wrap in macro
12931 SDB_ALLOW_FORWARD_REFERENCES.
12932 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
12935 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
12937 * stupid.c: Include tm_p.h.
12939 * tree.c (real_value_from_int_cst): Mark parameter with
12942 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12944 * i960-protos.h: New file.
12946 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
12949 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
12951 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12953 * combine.c (expand_field_assignment): Do not discard SUBREGs
12954 while computing nonzero_bits.
12956 2000-01-09 Nick Clifton <nickc@cygnus.com>
12958 * config/arm/arm.c: Fix compile time warnings about signed vs
12959 unsigned constants.
12960 * config/arm/arm.h: Fix compile time warnings about signed vs
12961 unsigned constants.
12963 2000-01-09 Philip Blundell <philb@gnu.org>
12965 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
12966 than `ldm' with only one register.
12967 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
12970 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
12973 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
12975 * config/ns32k/ns32k.md (load or push effective address): Operand 1
12978 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12980 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
12981 assignment used as truth value.
12983 * function.c (assign_temp): Mark parameter `dont_promote' with
12984 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
12985 PROMOTE_FOR_CALL_ONLY.
12987 * genrecog.c (write_subroutine): Mark variable `operands' with
12990 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
12993 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
12994 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
12996 * toplev.c (note_deferral_of_defined_inline_function): Likewise
12999 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13001 * config/c4x.h: Tidy up comments.
13002 * config/c4x.c: Likewise.
13004 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
13006 * fold-const.c (lshift_double, rshift_double): Handle
13007 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
13009 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13011 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
13012 in prepare_function_start().
13014 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
13016 * config/v850/v850.c (expand_epilogue): Interrupt functions no
13017 longer allocate extra stack for function calls.
13019 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13021 * config/c4x/c4x.md (*subqf3_set): Fix typo.
13023 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13025 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
13027 2000-01-07 David Edelsohn <edelsohn@gnu.org>
13029 * rs6000.c (processor_target_table): Add power3 as alias for 630.
13030 * aix43.h: Revert Aug 2 change.
13031 (HAS_INIT_SECTION): Define, not visible yet.
13032 (LD_INIT_SWITCH): Define, not visible yet.
13033 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
13035 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
13037 * collect2.c (main): Expand ld2 size further.
13038 (export_object_lst): Cast assignment to avoid warning.
13039 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
13040 (scan_prog_file, COFF): Do not collect initialization or
13041 finalization functions generated for entire shared object if
13042 init/fini support present.
13044 2000-01-07 Nick Clifton <nickc@cygnus.com>
13046 * config/elfos.h: Tidy up formatting of marcos. Make sure
13047 that .section directives are always prefixed by a tab.
13049 * config/svr4.h: Add #include "elfos.h" and remove duplicate
13052 2000-01-07 Matt Austern <austern@sgi.com>
13054 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
13057 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
13059 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
13061 (crtbegin.o, s-crtS): Likewise.
13063 2000-01-06 Richard Henderson <rth@cygnus.com>
13065 * alpha.md (adddi_2+1): Limit offset such that it will be
13066 loadable with a single ldah+lda pair.
13067 (adddi_2+2): Explicitly fail split if we can't make it work.
13069 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
13071 * protoize.c: Conditionally include unistd.h.
13072 (IS_SAME_PATH_CHAR): New macro.
13073 (IS_SAME_PATH): New macro.
13074 (CPLUS_FILE_SUFFIX): New macro.
13075 (cplus_suffix): New static variable.
13076 (is_abspath): New static function.
13077 (in_system_include_dir): Handle DOS style pathnames.
13078 (file_could_be_converted): Likewise.
13079 (file_normally_convertible): Likewise.
13080 (directory_specified_p): Likewise.
13081 (file_excluded_p): Likewise.
13082 (abspath): Likewise.
13083 (shortpath): Likewise.
13084 (referenced_file_is_newer): Likewise.
13085 (save_def_or_dec): Likewise.
13086 (do_processing): Likewise.
13088 (edit_file): Likewise. Use rename instead of link.
13089 (rename_c_file): Likewise. Don't rename syscalls file.
13090 (munge_compile_params): Define null device for DOS based systems.
13091 (process_aux_info_file): Use binary mode if appliable.
13092 (edit_file): Likewise.
13093 * invoke.texi (Running Protoize): Document C++ suffixes used.
13095 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
13096 IS_DIR_SEPARATOR macros.
13097 * collect2.c: Likewise.
13098 * cppinit.c: Likewise.
13099 * dwarf2out.c: Likewise.
13101 * gcov.c: Likewise.
13102 * prefix.c: Likewise.
13104 * toplev.c: Likewise.
13105 * system.h: And move to here.
13107 * prefix.c (update_path): Fix typo in variable name.
13109 2000-01-06 Richard Henderson <rth@cygnus.com>
13111 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
13112 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
13113 (count_reg_sets_1, count_reg_references): Likewise.
13114 (flow_loops_level_compute): Start counting actual loop depth at 1.
13115 (flow_loops_find): Likewise.
13116 * local-alloc.c (update_equiv_regs): Likewise.
13117 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
13119 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13121 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
13122 FIRST_PSEUDO_REGISTER
13123 * dwarf2out.c: Don't include frame.h
13124 * dwarfout.c: Likewise
13125 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
13128 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
13130 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13133 * i386.c (movsf splitter): Fix typo in my last checkin.
13135 2000-01-05 Nick Clifton <nickc@cygnus.com>
13137 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
13138 own definition of this macro.
13139 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
13140 flag_data_sections or UNIQUE_SECTION_P are true.
13142 * tm.texi (UNIQUE_SECTION): Document that it can be called for
13143 unitialised data decls.
13145 * config/i386/winnt.c (i386_pe_unique_section): Cope with
13146 being called for uninitialised data.
13148 * config/i386/interix.c (i386_pe_unique_section): Cope with
13149 being called for uninitialised data.
13151 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
13152 for uninitialised data.
13154 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
13155 for uninitialised data.
13157 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
13158 for uninitialised data.
13160 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
13161 (UNIQUE_SECTION_P): Always generate a unique section if
13162 flag_data_sections is true.
13163 (UNIQUE_SECTION): Also generate unique sections for
13164 uninitialised data.
13165 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
13166 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
13169 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13171 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
13174 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13176 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
13177 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
13178 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
13179 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
13180 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
13182 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
13184 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13186 * c-decl.c (finish_enum): Simplify code to determine minimum and
13187 maximum values of the enum, and calculate the type. Remove check
13188 for FUNCTION_DECLs in the values list, which cannot happen. Replace
13189 the DECL_INITIAL of each enumeration constant with a copy converted
13190 to the enumeration type. When updating variant types, don't bother
13191 updating the type itself.
13193 * c-typeck.c (build_binary_op): Simplify conditional expressions
13194 when weeding out spurious signed-unsigned warnings. Add new
13195 spurious warning category: if the unsigned quantity is an enum
13196 and its maximum value fits in signed_type(result_type). Update
13198 (build_conditional_expr): Warn here if one alternative is signed
13199 and the other is unsigned.
13201 2000-01-05 Nick Clifton <nickc@cygnus.com>
13203 * config/fr30/fr30.h: Remove extraneous comments.
13205 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
13207 * reload1.c (choose_reload_regs): When disabling a reload, also
13208 set reload_spill_index to -1.
13210 2000-01-04 Joel Sherrill (joel@OARcorp.com>
13212 * configure.in (m68*-*-rtemscoff*): New target, formal name for
13214 (m68*-*-rtemself*): New target.
13215 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
13216 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
13217 (sparc*-*-rtemself*): New target.
13218 (sparc*-*-rtems*): Now elf not a.out.
13219 * config/i386/rtems.h: Include config/rtems.h.
13220 * config/i386/rtemself.h: Include config/rtems.h.
13221 * config/i960/rtems.h: Include config/rtems.h.
13222 * config/m68k/rtems.h: Include config/rtems.h.
13223 * config/m68k/rtemself.h: Include config/rtems.h.
13224 * config/mips/rtems64.h: Include config/rtems.h.
13225 * config/pa/rtems.h: Include config/rtems.h.
13226 * config/rs6000/rtems.h: Include config/rtems.h.
13227 * config/sh/rtems.h: Include config/rtems.h.
13228 * config/sh/rtemself.h: Include config/rtems.h.
13229 * config/sparc/rtems.h: Include config/rtems.h.
13230 * config/sparc/rtemself.h: Include config/rtems.h
13232 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
13234 * final.c (shorten_branches): Correctly compute length of
13235 asms without operands.
13237 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
13239 * configure.in: Add pj target.
13240 * configure: Regenerate.
13241 * config/pj: New directory.
13242 * config/pj/lib1funcs.S: New file.
13243 * config/pj/linux.h: New file.
13244 * config/pj/pj.c: New file.
13245 * config/pj/pj.md: New file.
13246 * config/pj/pjl.h: New file.
13247 * config/pj/t-pj: New file.
13248 * config/pj/xm-pj.h: New file
13250 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
13252 * toplev.c (rest_of_compilation): Run shorten-branches before
13255 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13257 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
13258 macros so that they're consistent with their names.
13259 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13260 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13262 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13264 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
13265 modified inadvertently.
13267 2000-01-04 Joel Sherrill <joel@OARcorp.com>
13269 * configure.in (v850*-*-rtems*): New target.
13270 * configure: Regenerate.
13271 * config/v850/rtems.h: New file.
13273 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
13275 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
13276 (__gthread_key_create): Likewise.
13277 (__gthread_key_dtor): Likewise.
13278 (__gthread_once): Fix logic.
13279 (__gthread_key_delete): Cast away constness.
13281 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
13282 * invoke.texi: Document.
13283 * i386/mingw32.h (CPP_SPEC): Use.
13284 (LIBGCC_SPEC): Likewise.
13285 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
13287 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13289 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
13290 (HANDLE_PRAGMA_PACK): Undefine.
13291 (SLOW_UNALIGNED_ACCESS): Define.
13293 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13295 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13296 to default definition.
13297 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
13298 (store_fixed_bit_field): Call macro with word_mode and alignment.
13299 (extract_bit_field): Call macro with relevant mode and alignment.
13300 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13301 to default definition.
13302 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
13304 (move_by_pieces_ninsns): Likewise.
13305 (clear_by_pieces): Likewise.
13306 (emit_push_insn): Likewise.
13307 (store_field): Call macro with relevant mode and alignment.
13308 (expand_expr): Likewise.
13309 (expand_expr_unaligned): Likewise.
13311 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
13312 (SLOW_UNALIGNED_ACCESS): Define.
13313 (CASE_VECTOR_MODE): Always use 32-bit offsets.
13314 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
13315 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
13316 (toc_section): Likewise and .toc pseudo-op.
13317 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
13319 (TEXT_SECTION_ASM_OP): Likewise.
13320 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
13323 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
13324 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
13325 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
13326 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
13327 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
13329 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
13331 * regclass.c: Revert my Jan 4 change to loop cost computation.
13333 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13335 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
13338 2000-01-04 Stan Cox <scox@cygnus.com>
13340 * haifa-sched.c (build_control_flow): Change unreachable simple
13341 loop test to check if current block has only one predecessor.
13342 (find_rgns): Initialize degree. Use dest as degree index, not src.
13344 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13346 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
13348 * calls.c (expand_call): Likewise for
13349 `old_stack_arg_under_construction'.
13351 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
13353 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
13356 * gcc.c (execute): Likewise for `ut' and `st'.
13358 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
13360 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
13362 * jump.c (jump_optimize_1): Likewise for `temp2'.
13364 * local-alloc.c (block_alloc): Likewise for `r1'.
13366 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
13368 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
13369 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
13371 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
13374 * reload.c (find_reloads): Likewise for `goal_alternative_number'
13375 and `goal_earlyclobber'.
13377 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
13379 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
13381 * stupid.c (stupid_life_analysis): Likewise for `chain'.
13383 * unroll.c (copy_loop_body): Likewise for `copy'.
13385 * varasm.c (output_constructor): Likewise for `byte'.
13387 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13389 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
13390 all FP constants for constant->reg moves.
13391 (ix86_split_to_parts): Try to convert memory address into immediate
13392 when available in the constant pool.
13393 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
13395 (LEGITIMATE_CONSTANT_P): Return 1.
13396 * i386.md (pushsf): New splitter to convert constant pool memory
13397 reference to immediate.
13398 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
13401 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
13403 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
13404 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
13405 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
13406 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
13407 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
13409 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
13411 * ginclude/stdbool.h: Support compilation as C++.
13413 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13415 * fold-const.c (make_range): Don't try to reverse an unbounded range.
13417 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
13419 * regclass.c (regclass): Properly compute loop_cost. Adjust
13422 * regclass.c: Fix minor whitespace problems.
13424 2000-01-03 Anthony Green <green@cygnus.com>
13426 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
13427 Restore the pic register if required.
13429 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
13431 * c-common.c (format_char_info): Update comment.
13432 (check_format_info): Recognize 'z' modifier in the same way 'Z'
13433 was recognized. Emit warning for formats new in ISO C99 only
13434 if flag_isoc9x is not set.
13436 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
13438 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
13440 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13442 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
13443 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
13444 (make_compound_operation): Choose cheaper alternative between
13445 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
13447 * regclass.c (op_costs): Remove global variable.
13448 (record_reg_classes): New parameter "op_costs" and "reg_pref".
13449 (record_operand_costs): Break out from ...
13450 (scan_one_insn): ... here.
13451 (dump_regclass): Make dumps nicer.
13452 (regclass): Dump preferrences choosed and changes done during passes.
13454 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13456 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
13458 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13460 * config/sparc/sparc.c (gen_df_reg): New function.
13461 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
13462 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
13463 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
13464 movtf_cc_reg_sp64+1): Use it.
13466 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13468 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
13469 copied LABEL_DECLs.
13471 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13473 * config/i386/i386.c (ix86_expand_unary_operator): Function
13474 definition made void.
13475 (ix86_expand_binary_operator): Update outdated preceding comment.
13476 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
13479 * config/i386/i386.c (override_options): Fix option-name typo.
13481 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13483 * system.h (CEIL): Define.
13484 * builtins.c (CEIL): Remove.
13485 * expmed.c (CEIL): Likewise.
13486 * expr.c (CEIL): Likewise.
13487 * stor-layout.c (CEIL): Likewise.
13489 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13491 * expr.c (store_constructor_field): Fix typo introduced with last
13494 2000-01-01 Mark Mitchell <mark@codesourcery.com>
13496 * tree.h (BINFO_N_BASETYPES): New macro.
13498 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
13500 * expmed.c (emit_store_flag): Prevent losing a pending stack
13501 adjust the same way we prevent losing queued increments.
13503 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13505 * function.c (update_temp_slot_address): Handle case where sum of
13506 temporary address plus offset in register is a valid address.
13508 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13510 * genrecog.c (change_state) Corrected typo.
13512 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13514 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
13515 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
13516 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
13518 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
13520 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
13521 case, expand GT comparisons correctly. Fix a comment before this
13524 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13526 * dwarfout.c: Include "frame.h"
13527 * dwarf2out.c: Likewise.
13528 * Makefile.in (dwarfout.o): Depend on frame.h
13529 (dwarf2out.o): Likewise.
13531 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
13533 Restore i386 binary compatibility in Dwarf EH info.
13534 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
13535 value of FIRST_PSEUDO_REGISTER.
13536 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
13537 (struct frame_state): Use DWARF_FRAME_REGISTERS.
13538 * dwarfout.c (output_reg_number): Ditto.
13539 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
13540 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
13542 1999-12-29 Bruce Korb <autogen@linuxbox.com>
13544 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
13545 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
13546 (<hack>_RE_CT): not needed
13547 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
13548 rewritten to scan the file text once only
13549 "template<..." test added
13550 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
13551 (is_cxx_header): declaration added
13552 * fixinc/fixtests.c(is_cxx_header): removed
13553 (apply_fix_p_t): removed
13554 (double_slash_test): is_cxx_header is only called once now
13555 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
13556 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
13557 within the templates.
13558 The borken spelling of "broken" was fixed.
13559 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
13560 The default level depends on FIXINC_DEBUG.
13562 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13564 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
13565 Otherwise provide a declaration for atexit.
13566 (init_dummy): Make sure dummy call to atexit is nevertheless
13567 called with correct number of args.
13569 * frame.c: Update comments referring to other files.
13571 * libgcc2.c: Likewise.
13573 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13575 * cse.c (free_element, get_element): Remove unused prototypes.
13577 * fold-const.c (extract_muldiv): Initialize variables `op0' and
13580 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
13583 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
13585 * configure.in,configure: case arm for mn10200-*-* now sets
13586 float_format=i32 so that float.h will correctly claim "double"
13587 to be 32 bits. Ran autoconf to generate configure from .in file.
13589 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
13591 * pa.md (conditional zero): If op1 is a register, force it into
13592 the same register as op0.
13594 1999-12-28 Mark Mitchell <mark@codesourcery.com>
13596 * tree.h (BINFO_BASETYPES): Improve documentation.
13598 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13600 * configure.in (--enable-checking): Use a more portable `for'
13603 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13605 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
13606 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
13608 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
13611 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
13612 Delete descriptions.
13614 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
13615 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
13616 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
13617 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
13618 xm-svr4.h: Remove all instances of sys_siglist handling.
13620 1999-12-27 Jakub Jelinek <jakub@redhat.com>
13622 * config/sparc/sparc.md (cmp_zero_qi,
13623 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
13624 cmp_zero_extendqidi2_andcc_set): New patterns.
13626 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
13628 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
13629 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
13630 (fpgnulib.c, xfgnulib.c): Add rules.
13631 * m68k/t-mot3300-gas: Likewise.
13633 1999-12-27 Ian Lance Taylor <ian@zembu.com>
13635 * configure.in: Avoid [[ by using test and changequote. Add
13636 changequote required by 1999-12-14 change.
13637 * configure: Rebuild.
13639 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
13641 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
13643 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
13645 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
13646 * flow.c (find_use_as_address): Likewise.
13647 * function.c (fixup_var_refs_1): Likewise.
13648 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
13649 * jump.c (invert_exp, redirect_exp): Likewise.
13650 * loop.c (replace_call_address): Likewise.
13651 (count_nonfixed_reads): Likewise.
13652 * rtlanal.c (modified_between_p): Likewise.
13653 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
13654 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
13655 * unroll.c (remap_split_bivs): Likewise.
13657 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13659 * diagnostic.c (v_message_with_decl): Use .* format specifier
13660 instead of building the format specifier width manually.
13662 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
13663 determining whether to provide a prototype. Remove the
13664 sys_siglist clause in the conditional.
13666 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13668 * fold-const.c (operand_equal_p): Use memcmp to compare string
13670 Suggested by D. J. Bernstein
13672 1999-12-17 Jakub Jelinek <jakub@redhat.com>
13674 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
13675 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
13677 * config/mips/mips.h (TARGET_64BIT): Likewise.
13678 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
13679 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
13680 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
13681 dsps. Give routines proper names if SI/DI modes are not used.
13682 * longlong.h: Use DWunion instead of DIunion.
13684 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
13686 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
13687 GC_CHECKING, GC_ALWAYS_COLLECT.
13688 * configure.in: Allow --enable-checking with an argument
13689 listing check modes to enable.
13690 * config.in, configure: Rebuilt.
13691 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
13692 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
13693 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
13694 ENABLE_GC_ALWAYS_COLLECT.
13695 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
13697 * tree.h, tree.c: Change ENABLE_CHECKING to
13698 ENABLE_TREE_CHECKING throughout.
13700 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13702 * fold-const.c (fold_truthop): Properly check for FP RHS.
13704 1999-12-24 Mark Mitchell <mark@codesourcery.com>
13706 * toplev.h (note_deferall_of_defined_inline_function): Declare.
13707 * toplev.c (note_deferral_of_defined_inline_function): New
13708 function, split out from ...
13709 (rest_of_compilation): ... here. Use it.
13711 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13713 * expr.c (store_constructor): Don't call clear_storage if size is
13716 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13718 * Makefile.in (toplev.o): Depend on loop.h.
13720 * dwarfout.c: Include tm_p.h.
13722 * emit-rtl.c (restore_emit_status): Mark parameter with
13725 * final.c (final_scan_insn): Likewise.
13727 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
13728 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
13729 flow_depth_first_order_compute, flow_loop_pre_header_find,
13730 flow_loop_tree_node_add, flow_loops_tree_build,
13731 flow_loop_level_compute, flow_loops_level_compute,
13732 flow_loop_outside_edge_p): Add prototypes.
13733 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
13735 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
13736 Mark with ATTRIBUTE_NORETURN.
13738 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
13740 * local-alloc.c (no_conflict_p): Likewise.
13742 * loop.c (insert_bct): Hide definitions of variables with hidden
13744 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
13746 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
13747 with ATTRIBUTE_UNUSED.
13748 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
13749 (reg_scan): Likewise.
13751 * reload.c (find_reloads): Remove unused variables `changed'.
13753 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
13755 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
13756 Remove unused variable `insn'.
13758 * toplev.c: Include loop.h.
13759 (report_file_and_line): Remove unnecessary prototype.
13761 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
13763 * unroll.c (biv_total_increment): Likewise.
13765 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13767 * reload1.c (emit_input_reload_insns): Restore old behaviour
13768 wrt. 'special' reloads.
13770 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
13772 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
13773 hash.h. (cse.c): Don't depend on hashtab.h.
13775 * cse.c: Don't include hashtab.h.
13776 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
13778 * ggc-simple.c: Don't include hash.h.
13780 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
13782 * dwarf2out.c (add_abstract_origin_attribute): Call
13783 gen_abstract_function on our function context.
13785 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
13787 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
13789 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13791 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
13794 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13796 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
13797 constraints to "a!r".
13799 1999-12-21 Mark Mitchell <mark@codesourcery.com>
13801 * Makefile.in (calls.o): Depend on function.h.
13802 (alias.o): Likewise.
13804 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
13806 * reload1.c (emit_reload_insns): Break out code and variables into...
13807 (input_reload_insns, other_input_address_reload_insns,
13808 other_input_reload_insns, input_address_reload_insns,
13809 inpaddr_address_reload_insns, output_reload_insns,
13810 output_address_reload_insns, outaddr_address_reload_insns,
13811 operand_reload_insns, other_operand_reload_insns,
13812 other_output_reload_insns): ... new static variables, and...
13813 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
13814 do_output_reload): ... new functions.
13816 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13818 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
13820 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13822 * md.texi: Add c4x constraints documentation.
13824 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13826 * config/i386/dgux.c (struct option): Rename to
13827 lang_independent_option.
13828 (struct m_options): Add description field.
13829 (output_options): Rename option type, add sep declaration, output
13830 ix86_cpu_string and ix86_arch_string only if set.
13831 (output_file_start): Rename option type.
13833 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
13835 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
13837 (libgcc2.a): Similarly.
13839 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
13841 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
13842 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
13843 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
13845 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
13847 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
13848 Remove redundant initialization of "frexpon" and "expon".
13850 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13852 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
13854 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
13855 (store_constructor_field, expand_expr): Pass new arg.
13857 1999-12-20 Mark Mitchell <mark@codesourcery.com>
13859 * Makefile.in (explow.o): Depend on function.h.
13861 * stor-layout.c (set_sizetype): Fix typo.
13863 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
13865 * function.c (cfun): Renamed from current_function. All users
13867 * function.h (cfun): Rename declaration as well.
13869 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
13870 to be of type regset_head, not regset. All users changed by adding
13872 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
13874 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13876 * config/c4x/rtems.h: New file.
13878 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
13880 * reload1.c (spill_failure): Take class of failed reload as argument
13881 and print it. Caller changed.
13883 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13885 * rs6000.h (SUBTARGET_DEFAULT): New macro.
13886 (TARGET_SWITCHES): Allow subtargets to default switches.
13887 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
13889 1999-12-18 Mark Mitchell <mark@codesourcery.com>
13891 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
13894 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
13896 * cccp.c (main): Define __STDC_VERSION__ as necessary.
13897 * cppinit.c (cpp_handle_option): Likewise.
13899 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
13900 determine when to define.
13902 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
13904 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
13905 cmove with mismatched test and data modes.
13907 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
13909 * c-typeck.c (c_expand_start_case): Don't warn for long switch
13912 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13914 * alias.c: Minor reformatting.
13915 * flow.c: Likewise.
13916 * regs.h: Likewise.
13917 * stor-layout.c: Likewise.
13918 * fold-const.c: Likewise.
13919 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
13920 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
13922 (size_int_wide): Cache nodes even if garbage collecting.
13923 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
13924 of SAVE_EXPR has no side effects.
13925 * cse.c: Move a comment.
13926 * tree.c: Minor reformatting.
13927 (int_size_in_bytes): Return -1 if constant overflows.
13929 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13931 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
13933 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
13935 * objc/objc-parse.c: Regenerate. This file must be rebuilt
13936 after any change to c-parse.in, even if objc-parse.y didn't
13939 1999-12-18 David S. Miller <davem@redhat.com>
13941 * toplev.c (rest_of_compilation): Restore BLOCK tree
13942 reconstruction and branch shortening changes lost in
13943 December 18th change.
13945 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
13947 * config/arm/linux-elf.h: Change all instances of
13948 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
13949 * config/arm/uclinux-elf.h: Likewise.
13951 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
13953 * toplev.c (notice, vmessage, v_message_with_file_and_line,
13954 v_message_with_decl, file_and_line_for_asm,
13955 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
13956 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
13957 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
13958 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
13959 pfatal_with_name, fatal_io_error, need_error_newline,
13960 last_error_function, last_error_tick, announce_function,
13961 default_print_error_function, print_error_function,
13962 report_error_function, fnotice, error_with_file_and_line,
13963 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
13964 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
13965 warning_with_decl, warning_for_asm, warning, pedwarn,
13966 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
13968 (compile_file): Use fnotice instead of notice. Adjust call.
13970 * diagnostic.c: New file.
13972 * Makefile.in (OBJS): Include diagnostic.o
13973 (diagnostic.o): Define dependence.
13975 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13977 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
13980 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13982 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
13984 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13986 * fixtests.c (is_cxx_header): New fn, split out of
13988 (else_endif_label): Allow "#endif // comment" in C++ headers,
13989 as determined by is_cxx_header.
13990 * fixfixes.c (else_endif_label_fix): Update comment.
13991 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
13993 * genfixes: Correct double thinko in commandline parsing.
13994 * hackshell.tpl: Generate correct sh syntax for bypass
13997 * inclhack.def (all): Whenever an inserted preprocessor
13998 conditional is split over multiple lines, use double
13999 backslashes in this file so the fixed header will be readable.
14001 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
14002 and add bypass entry for correct version of this header.
14003 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
14004 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
14006 (hpux8_bogus_inlines): New fix, split from...
14007 (ultrix_atof_param) ... here.
14008 (math_expression): Add bypass entry keyed to glibc comment
14009 indicating the problem has been dealt with; disable
14010 unnecessary sed operations; update commentary.
14011 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
14012 add select and bypass entries, simplify shell operation.
14013 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
14015 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
14016 ultrix_atof_param): Add select entry.
14017 (stdio_va_list, sunos_mather_decl): Add bypass entry.
14018 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
14019 comments with the fixes they describe.
14021 * c-parse.in (string action): Do not warn about ANSI string
14022 concatenation in system headers. Affects C parser only.
14023 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
14025 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14027 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
14028 compiling libgcc2 the macro depends always on arch cpp defines.
14030 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
14032 * loop.c (insert_loop_mem): Don't record MEMs from inside
14035 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
14037 * regclass.c (regclass): Do not use flowgraph when not optimizing.
14039 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
14040 notes too, create one when replacement failed, attempt to simplify
14042 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
14043 or REG_EQUIV notes.
14045 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14047 * crtstuff.c (__dso_handle): Declare.
14048 (__cxa_finalize): Likewise.
14049 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
14052 * invoke.texi: Document -fuse-cxa-atexit.
14054 * tree.h (ptr_type_node): Document.
14055 (const_ptr_type_node): Likewise.
14057 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14059 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
14060 (optimize_reg_copy_2): Likewise.
14061 (optimize_reg_copy_3): Likewise.
14062 (fixup_match_2): Likewise.
14063 (regmove_optimize): Likewise.
14064 (fixup_match_1): Liekwise.
14066 * i386.md (HI to SImode promoting splitters): Rewrite.
14067 (pushsf mem peep2): New.
14068 (testhi to andhi peep2): Remove.
14069 * i386.h (x86_promote_QImode): New.
14070 (TARGET_PROMOTE_QImode): New.
14071 (PREDICATE_CODES): Add promotable_binary_operator.
14072 * i386.c (x86_promote_QImode0: New.
14073 (promotable_binary_operator): New.
14074 * i386-protos.h (promotable_binary_operator): New.
14076 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
14078 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
14080 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14082 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
14083 * function.c (insert_block_after_note): Remove.
14084 (retrofit_block): Likewise.
14085 (identify_blocks): Fix indentation.
14086 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
14087 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
14088 * function.h (insert_block_after_note): Remove prototype.
14089 (retrofit_block): Likewise.
14090 * integrate.c (expand_inline_function): Don't call
14091 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
14092 just expand_start_bindings. Use the block_map to remap old
14093 NOTE_BLOCKs to new ones.
14094 (integrate_decl_tree): Keep track of remapped blocks.
14095 * integrate.h (struct inline_remap): Add block_map.
14096 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
14097 NOTE_BLOCK on the notes.
14098 (expand_start_bindings): Rename to ...
14099 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
14100 (expand_end_bindings): Set NOTE_BLOCK.
14101 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
14102 reconstruct the BLOCK tree.
14103 * tree.h (expand_start_bindings): Macroize. Call ...
14104 (expand_start_bindings_and_block): New function.
14106 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14108 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
14109 to match the format.
14111 1999-12-16 David S. Miller <davem@redhat.com>
14113 * expr.c (emit_move_insn_1): Only emit clobbers if one of
14114 the outputs is a SUBREG.
14115 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
14118 * config/sparc/sparc.c (epilogue_renumber): Add default case
14121 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14123 * toplev.c (rest_of_compilation): Run branch shortening after
14126 * regclass.c (loop_depth): Remove
14127 (scan_one_insn): Do not handle LOOP_NOTE insns.
14128 (regclass): Go through basic blocks and set loop_cost
14130 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
14132 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
14134 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14136 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
14137 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
14138 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
14140 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
14142 * loop.c (insert_loop_mem): Ignore memory clobbers.
14144 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
14147 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
14149 * profile.c: Remove redundant #include "output.h".
14151 * h8300.md (HImode preinc peephole): Fix typo.
14153 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14155 * function.c (retrofit_block): Abort if we don't find a suitable insn.
14156 (insert_block_after_note): Abort if we don't have a previous block.
14157 Remove FN parameter.
14158 * function.h: Adjust.
14160 1999-12-15 Mark Mitchell <mark@codesourcery.com>
14162 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
14163 argument more than once.
14165 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14167 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
14169 1999-12-15 Jakub Jelinek <jakub@redhat.com>
14171 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
14173 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14175 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
14176 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
14177 update stack_alignment_needed.
14178 (prepare_function_start): Initialize stack_alignment_needed
14179 * function.h (struct function): Add field stack_alignment_needed.
14181 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14183 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
14184 Handle live_throughout / dead_or_set instead of live_before /
14186 (save_call_clobbered_regs): Get register livenessinformation from
14187 chain->live_throughout.
14188 (add_stored_regs): New function.
14189 (insert_restore, insert_save): Add restored / saved registers to
14191 * global.c (reg_dies): New parameter chain.
14192 (reg_becomes_live): Third parameter is regs_set now.
14193 Changed all callers.
14194 (reg_dies): New parameter chain. Changed all callers.
14195 (build_insn_chain): Set live_throughout instead of
14196 live_before / live_after.
14197 * reload.h (struct insn_chain): Replace members live_before /
14198 live_after with live_throughout / dead_or_set.
14199 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
14200 instead of live_before / live_after.
14201 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
14202 (order_regs_for_reload, find_reg, finish_spills): Likewise.
14203 (choose_reload_regs_init): Likewise.
14204 * stupid.c (current_chain, find_clobbered_regs): Delete.
14205 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
14206 instead of chain->live_before / chain->live_after.
14207 (mark_hard_ref): New function.
14208 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
14210 1999-12-15 David S. Miller <davem@redhat.com>
14212 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
14214 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14216 * flow.c (calculate_loop_depth): Make global, remove prototype,
14217 rewrite to use new loop infrastructure.
14218 (find_basic_block): Remove calculate_loop_depth call.
14219 * toplev.c (rest_of_compilation): Call find_basic_block.
14220 * output.h (calculate_loop_depth): Declare.
14222 * flow.c (dump_flow_info): Dump loop_depth.
14223 (flow_loops_nodes_find): Increase loop_depth for basic block in the
14225 (flow_loops_find): Initialize the loop_depth for each basic block.
14227 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14229 * tree.c (decl_function_context): Handle virtual functions.
14231 * tlink.c (scan_linker_output): Don't look in demangled name when
14232 looking for linker output keywords.
14234 * dwarfout.c (output_type): We can defer namespace-scope classes.
14236 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
14238 * regclass.c (record_reg_classes): Update comment for merging
14239 register class preferences in reg->reg copies. Tighten conditions
14240 for merging register class preferences in reg->reg copies.
14242 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
14244 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
14246 1999-12-14 Geoff Keating <geoffk@cygnus.com>
14248 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
14249 (INIT_SECTION_ASM_OP): Delete.
14250 (FINI_SECTION_ASM_OP): Delete.
14251 (STARTFILE_SPEC): Define to hold just crtbegin.o.
14253 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
14255 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
14256 the abstract origin wasn't emitted.
14258 * dwarf2out.c (class_scope_p): New fn.
14259 (gen_subprogram_die): Use it.
14260 (gen_variable_die): Use it. Tweak logic.
14261 (gen_struct_or_union_type_die): Check context_die to determine
14262 if we're function-local.
14263 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
14265 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14267 * loop.c (check_dbra_loop): Can't reverse a biv that has
14268 maybe_multiple set.
14270 1999-12-14 Nick Clifton <nickc@cygnus.com>
14272 * config/arm/arm.c: Add support for -mcpu=arm720 command line
14275 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14277 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
14278 for givs made from biv increments.
14280 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
14282 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
14283 * alpha.c (override_options): Recognize -mcpu=ev67.
14284 * alpha.h (CPP_CPU_EV67_SPEC): New.
14285 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
14286 (EXTRA_SPECS): Update.
14288 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
14290 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
14291 appropriate for -lang-c89 and -std=*.
14292 * cppinit.c (cpp_handle_option): Likewise.
14293 (new_pending_define): New, split out from cpp_handle_option.
14294 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
14295 or enable trigraphs for -ansi/-std=*.
14297 * ginclude/stdarg.h (__va_copy): New.
14298 (va_copy): Don't define for C89.
14300 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
14302 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
14303 for long long multiply-accumulate.
14305 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14307 * regclass.c (scan_one_insn): Set loop_cost to 1 when
14308 optimizing for size.
14310 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14312 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
14313 if something changed. Back out that part of yesterday's changes.
14315 * loop.c (loop_max_reg): New static variable.
14316 (loop_optimize): Initialize it. Eliminate one unnecessary call to
14318 (scan_loop): Call reg_scan_update whenever we may have added new
14319 registers, and update loop_max_reg.
14321 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14323 * regclass.c (record_reg_classes): Do not do the copying preferrencing
14324 when source does not die.
14326 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
14328 1999-12-14 Jakub Jelinek <jakub@redhat.com>
14330 * config/sparc/linux64.h (TARGET_LIVE_G0,
14331 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
14333 * config/sparc/linux.h (TARGET_LIVE_G0,
14334 TARGET_BROKEN_SAVERESTORE): Likewise.
14335 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
14336 TARGET_BROKEN_SAVERESTORE): Likewise.
14338 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
14339 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
14341 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
14342 as sparc64 block profiling register.
14343 * config/sparc/sparc.c (sparc_override_options): Allow block
14344 profiling with -m32.
14345 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
14346 profiling register.
14347 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
14348 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
14349 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
14351 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
14353 * config/sparc/sparc.h: Likewise.
14354 * config/sparc/xm-sysv4-64.h: Likewise.
14355 * config/float-sparc.h: Likewise.
14356 * glimits.h: Likewise.
14357 * longlong.h: Likewise.
14359 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
14360 (ASM_IDENTIFY_GCC): Remove.
14362 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14364 * combine.c (combine_simplify_rtx): Don't make shared rtl.
14365 (simplify_logical): Likewise.
14367 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14369 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
14370 * cppfiles.c (INO_T_EQ): Likewise.
14372 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14374 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
14375 * i386/mingw32.h (LIB_SPEC): Likewise.
14376 (STARTFILE_SPEC): Likewise.
14377 * i386/uwin.h (LIB_SPEC): Likewise.
14378 (STARTFILE_SPEC): Likewise.
14380 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
14381 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
14383 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
14385 * combine.c (combine_simplify_rtx): Fix order of checks for
14386 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
14388 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
14390 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
14391 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
14393 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14395 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
14397 * regclass.c (inv_reg_alloc_order): New array.
14398 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
14400 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
14401 counted_for_groups, counted_for_nongroups. Add fields rld and
14403 * reload.c (push_secondary_reload): Don't set nongroup field of
14405 (push_reload): Likewise.
14406 (find_reloads): Delete code to compute nongroup fields.
14407 * reload1.c (reload_insn_firstobj): New static variable.
14408 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
14410 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
14411 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
14412 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
14414 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
14416 (struct hard_reg_n_uses): Deleted.
14417 (potential_reload_regs): Deleted.
14418 (init_reload): Initialize spilled_pseudos and pseudos_counted.
14419 (reload): Don't try to allocate reload registers if we already know
14420 we have to make another pass. Call select_reload_regs. Free memory
14421 starting with reload_firstobj when starting another pass.
14422 Don't allocate spilled_pseudos.
14423 (calculate_needs_all_insns): Call copy_reloads for an insn that
14424 needs reloads; don't call calculate_needs.
14425 (spill_cost): New static array.
14426 (used_spill_regs_local): New static variable.
14427 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
14428 to compute potential_reload_regs.
14429 (find_reload_regs): Completely rewritten to use find_reg.
14430 (allocate_reload_reg): Don't test counted_for_groups or
14431 counted_for_nongroups. Lose NOERROR arg and code to give an error;
14432 all cllers changed.
14433 (choose_reload_regs): Add fallback code that uses the existing
14434 register allocation from find_reload_regs.
14436 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
14438 * flow.c (create_edge_list): Cast xmalloc return value.
14440 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
14442 * doprnt.c: Remove incorrect comment closure.
14444 * cse.c: Fix a few minor whitespace goofs.
14446 1999-12-13 Don Bowman <don@pixstream.com>
14448 * mips/vxworks.h: Fix problem with comment termination.
14449 (EXTRA_SECTIONS): Add in_sbss.
14450 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
14452 1999-12-12 David S. Miller <davem@redhat.com>
14454 * cse.c (struct cse_reg_info): Add hash_next member,
14455 reorder rest of struct for better packing on 64-bit
14457 (cse_reg_info_tree): Kill.
14458 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
14459 REGHASH_FN): New custom pow2 hash mechanism.
14461 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
14462 use a pow2 hash table.
14463 (get_cse_reg_info): Rework to use new REGHASH.
14464 (new_basic_block): Likewise, use HASH_SIZE, and inline
14466 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
14467 and inline free_element call.
14468 (lookup_as_function, insert, flush_hash_table, invalidate,
14469 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
14470 invalidate_for_call, use_related_value, find_comparison_args,
14471 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
14472 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
14473 get_element): Kill.
14475 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
14477 * cse.c (cse_basic_block): Free qty_table consistently.
14479 1999-12-12 David S. Miller <davem@redhat.com>
14480 Jakub Jelinek <jakub@redhat.com>
14482 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
14483 SUBREGs by hand, gen the appropriate hard reg directly.
14484 (movtf reg/mem split): Likewise and alter_subreg on destination
14486 (movtf mem/reg split): Similarly.
14487 (movdf_cc_sp64): Rename from hidden pattern.
14488 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
14489 (movtf_cc_sp64, following split): New pattern and splitter.
14490 (movdf_cc_reg_sp64): Rename from hidden pattern.
14491 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
14493 (movtf_cc_reg_sp64, following split): New pattern and splitter.
14495 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
14497 * loop.c (load_mems): Don't hoist written floating point mem
14500 1999-12-12 Mark Mitchell <mark@codesourcery.com>
14502 * except.h (struct eh_queue): Add `next' pointer.
14503 (struct eh_status): Make x_ehqueue a pointer.
14504 (push_ehqueue): Declare.
14505 (pop_ehqueue): Likewise.
14506 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
14508 (expand_fixup_region_end): Likewise.
14509 (expand_leftover_cleanups): Likewise.
14510 (push_ehqueue): Define.
14511 (pop_ehqueue): Likewise.
14512 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
14513 than doing it inline.
14514 (expand_start_all_catch): Adjust now that ehqueue is a
14516 (mark_eh_queue): Mark all level of the queue.
14517 (mark_eh_status): Adjust now that ehqueue is a
14519 (init_eh_for_function): Allocate ehqueue.
14520 (free_eh_status): Free it.
14521 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
14522 expansion for a fixup.
14524 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14526 * gthr-single.h (__gthread_active_p): Add prototype arguments.
14528 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
14529 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
14530 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
14531 function_ptr, getpagesize, __enable_execute_stack,
14532 __enable_execute_stack, __clear_insn_cache,
14533 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
14534 _cleanup, _exit, __default_terminate, __terminate_func,
14535 __terminate, __empty, __throw, new_eh_context,
14536 eh_context_initialize, eh_context_static, eh_context_specific,
14537 get_eh_context, __get_eh_context, __get_eh_info,
14538 init_reg_size_table, eh_threads_initialize,
14539 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
14540 __unwinding_cleanup, throw_helper, __throw, __rethrow,
14541 __pure_virtual): Add prototype arguments.
14542 (__bb_exit_func): Cast a sizeof to long when comparing against one.
14543 Cast a signed value to unsigned long when comparing against one.
14544 (new_eh_context): Wrap in _GTHREADS macro.
14545 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
14547 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
14548 (throw_helper): Initialize variables `handler_p' and `pc_p'.
14550 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14552 * combine.c (record_promoted_value): Remove unused variable
14555 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
14557 * global.c (record_conflicts): Likewise for `j'.
14559 * genoutput.c (output_insn_data): Don't unnecessarily cast away
14562 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14564 * i386-protos.h (output_387_binary_op, output_fix_trunc,
14565 output_fp_compare): Constify a char*.
14567 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
14569 (override_options, ix86_comp_type_attributes, print_operand,
14570 output_387_binary_op, output_fix_trunc, output_fp_compare):
14572 (ix86_sched_reorder): Mark parameter `clock_var' with
14575 * i386.h (DEBUG_PRINT_REG): Constify a char*.
14577 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
14579 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
14580 operand, for use in the Java front-end.
14582 1999-12-10 Ben Collins <bcollins@debian.org>
14584 * configure.in: Fix typo for "-64" in 64bit as check.
14585 * configure: Rebuilt.
14587 1999-12-10 Jakub Jelinek <jakub@redhat.com>
14589 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
14592 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14594 * c-parse.in (string): With -Wtraditional, warn if ANSI string
14595 concatenation is utilized.
14597 * invoke.texi (-Wtraditional): Document it.
14599 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14601 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
14602 Cast a ptrdiff_t to long and pass it to printf with %ld.
14604 1999-12-10 Geoff Keating <geoffk@cygnus.com>
14606 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
14607 68881, we have no 68881 registers at all.
14608 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
14609 value in a 68881 register if it is available.
14611 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
14613 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
14614 for long long multiply-accumulate.
14616 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14618 * loop.c (insert_loop_mem): Undo last change.
14620 1999-12-10 David S. Miller <davem@redhat.com>
14622 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
14624 * config/sparc/sparc-protos.h: Add them.
14625 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
14626 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
14627 constraints which use those helpers.
14628 (EXTRA_CONSTRAINT): Use this new macro.
14629 * md.texi: Update sparc target constraints documentation.
14630 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
14631 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
14632 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
14633 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
14634 (movsf high/lo_sum split): Rework for new patterns.
14635 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
14637 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
14639 * c-common.c (c_common_nodes_and_builtins):
14640 Create __builtin_ptrdiff_t and __builtin_size_t.
14642 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
14644 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
14646 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14648 * regclass.c (globalize_reg): Re-instate test that allows
14649 fixed registers to be declared as a variable even after functions
14652 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14654 * i386.md (cpu attribute): Add "athlon".
14655 (athlon_decode): New attribute.
14656 (Athlon scheduling units definitions): New.
14657 (fcmp and shld patterns): Set athlon_decode to "vector".
14658 * i386.c (athlon_cost): New.
14660 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
14661 x86_use_sahf): Set for Athlon.
14662 (x86_use_fiop): Unset for Athlon.
14663 (override_options): Define Athlon alignments and "athlon" name.
14664 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
14665 * i386.h (TARGET_ATHLON): New.
14666 (enum processor_type): Add PROCESSOR_ATHLON.
14667 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
14669 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
14671 1999-12-09 Andreas Jaeger <aj@suse.de>
14673 * loop.c (record_biv): Declare parameter as int.
14675 * config/i386/i386-protos.h: Declare long_memory_operand.
14677 1999-12-09 Mark Mitchell <mark@codesourcery.com>
14679 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
14680 EXPR_WITH_FILE_LOCATION.
14682 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14684 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
14687 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
14689 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
14692 1999-12-09 Jakub Jelinek <jakub@redhat.com>
14694 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
14695 default on linux64 again.
14696 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
14697 models for multilibing.
14698 * genmultilib: Accept | as alternative separator within a set in
14701 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
14703 * calls.c (precompute_arguments): Make sure initial_value contains
14704 value pseudo which CSE expects.
14705 * cse.c (struct set): New entry orig_src.
14706 (cse_insn): Set it early on entry, use it for libcall EQUIV note
14709 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
14711 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
14713 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
14715 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
14717 1999-12-08 Jakub Jelinek <jakub@redhat.com>
14719 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
14720 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
14722 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
14725 * longlong.h: Merge in changes from glibc.
14726 Also don't clobber %g2 register in 32bit SPARC assembly, so that
14727 -mno-app-regs libgcc can be compiled.
14728 * libgcc2.c: Add defines so that the updated longlong.h
14729 can be used in libgcc2.a. Also, make sure on most architectures
14730 (at least on all which have optimized code in longlong.h defined
14731 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
14733 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14735 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
14736 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
14737 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
14739 * configure: Rebuilt.
14741 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
14743 * alpha.c (secondary_reload_class): For !BWX, sub-simode
14744 outputs require a register.
14746 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
14748 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
14749 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
14750 functions like dptoul will be resolved.
14751 (libgcc2.a): Make sure that the object files from DPBIT are named
14752 differently (prefix `_dp') from those that would be coming from
14755 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
14757 * configure.in: When target is sparc* and tm_file contains 64,
14758 test for 64bit support in assembler. If not supported, remove
14759 sparc/t-sol2-64 from target-dependent Makefile fragments.
14760 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
14761 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
14762 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
14763 * acconfig.h (AS_SPARC64_FLAG): Added.
14764 * configure, config.in: Rebuilt.
14765 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
14766 support. Use AS_SPARC64_FLAG.
14768 1999-12-07 Jakub Jelinek <jakub@redhat.com>
14770 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
14771 suitable for holding OFmode values so that gcc works with complex
14773 (hard_64bit_mode_classes): Likewise.
14775 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
14776 so that it is actually matched.
14777 (sethi_di_medlow): Likewise.
14779 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
14780 as legitimate constant if -mvis.
14781 * config/sparc/sparc.md (movtf): Likewise.
14782 (clear_sf): Use const_double_operand.
14783 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
14785 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
14786 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
14787 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
14788 routines, _Qp_* cannot be handled like that now.
14789 (INIT_TARGET_OPTABS): Likewise.
14790 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
14791 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
14792 sparc_emit_float_lib_cmp if ARCH64 and soft float.
14793 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
14794 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
14795 divtf3, sqrttf3): New expanders.
14796 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
14797 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
14798 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
14801 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
14802 * configure: Rebuilt.
14803 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
14804 -mcpu is given and we're doing 64bit compiles.
14806 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
14808 * loop.h (struct induction): Add multi_insn_incr.
14809 * loop.c (basic_induction_var): New multi_insn_incr argument.
14810 Set it if we search back through previous insns for the biv.
14811 (record_biv): New multi_insn_incr argument; fill in struct induction.
14812 (strength_reduce): Discard an iv with multiple bivs, any of
14813 which require multiple insns to increment.
14815 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14817 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
14820 1999-12-06 David S. Miller <davem@redhat.com>
14822 * combine.c (check_promoted_subreg): Do not conditionalize this upon
14823 PROMOTE_FUNCTION_RETURN.
14825 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
14827 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
14828 and handle REG_UNUSED note on insn.
14830 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
14831 inner_mask instead of mask.
14833 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
14835 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
14836 zero if there was an error.
14838 1999-12-06 Jakub Jelinek <jakub@redhat.com>
14840 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
14843 * longlong.h: Fix clobbers in SPARC asm statements.
14845 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
14846 valid sethi operations when TARGET_ARCH64.
14848 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
14849 always use move_by_pieces to avoid infinite recursion.
14850 (restore_fixed_argument_area): Likewise.
14852 * combine.c (check_promoted_subreg, record_promoted_value): New
14854 (combine_instructions): Use them to retain nonzero and sign bit
14855 information after SUBREGs are eliminated by optimizations in
14856 this pass if PROMOTE_FUNCTION_RETURN.
14858 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
14859 .register declaration. Don't use variables with __ prefixes.
14861 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14863 * fold-const.c (optimize_bit_field_compare): Only use one mode
14864 for both RHS and LHS in non-constant case.
14866 1999-12-06 Nathan Sidwell <nathan@acm.org>
14868 * frame.c (start_fde_sort): Only allocate erratic array, if
14869 linear one was allocated. Return allocated flag.
14870 (fde_insert): Only insert, if there's a valid array.
14871 (fde_end_sort): Split, sort and merge if linear and erratic
14872 arrays exist, else just sort linear one.
14873 (search_fdes): New function. Linear search through original fde
14875 (frame_init): Permit multiple initializations. Cope with
14877 (find_fde): Fallback on linear search, if failed to sort array.
14878 (__deregister_frame_info): Only free sorted array, if we
14881 1999-12-06 Jakub Jelinek <jakub@redhat.com>
14883 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
14885 1999-12-05 Jakub Jelinek <jakub@redhat.com>
14887 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
14889 1999-12-05 Mark Mitchell <mark@codesourcery.com>
14891 * tree.h (special_function_p): Declare.
14892 * calls.c (special_function_p): Make it global. Don't take `name'
14893 as a parameter. Fix typo in 1999-11-28 change.
14894 (expand_cal): Adjust.
14896 1999-12-04 Mark Mitchell <mark@codesourcery.com>
14898 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
14899 * tree.h (EXPR_WFL_FILENAME): Define in terms of
14900 EXPR_WFL_FILENAME_NODE.
14901 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
14903 * print-tree.c (print_note): Print TREE_PRIVATE and
14906 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
14907 the original die cannot be found.
14909 * varray.h (varray_head_tag): Add elements_used.
14910 (VARRAY_PUSH): New macro.
14911 (VARRAY_POP): Likewise.
14912 (VARRAY_TOP): Likewise.
14913 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
14915 * varray.c (varray_init): Initialize elements_used.
14916 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
14917 (INTEGRATE_H): New variable.
14918 (integrate.o): Depend on INTEGRATE_H.
14919 (unroll.o): Likewise.
14921 * function.h (insert_block_after_note): Declare.
14922 * function.c (insert_block_after_note): Split out from ...
14923 (retrofit_block): ... here.
14925 * stmt.c (expand_fixup): Fix typo in comment.
14927 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14929 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
14930 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
14931 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
14932 (regmove_optimize, fixup_match_1): Likewise.
14934 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14936 * flow.c (flow_loops_dump): Add missing argument when calling
14937 flow_loop_nested_p.
14939 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
14940 Greg McGary <gkm@gnu.org>
14942 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
14943 (init_attributes): Add A_NO_LIMIT_STACK.
14944 (decl_attributes): Handle A_NO_LIMIT_STACK.
14945 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
14946 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
14947 Handle stack bounds checking.
14948 * flags.h (flag_stack_check): Use the word 'probe' rather than
14949 'check', because the flag doesn't actually cause any checking to
14951 * function.c (expand_function_start): Set
14952 current_function_limit_stack.
14953 * function.h (struct function): Add limit_stack.
14954 (current_function_limit_stack): Define.
14955 * invoke.texi (Code Gen Options): Document new options.
14956 * rtl.h: Declare stack_limit_rtx.
14957 * toplev.c (stack_limit_rtx): New variable.
14958 (decode_f_option): Handle new options -fstack-limit-register=REG,
14959 -fstack-limit-symbol=IDENT, -fno-stack-limit.
14960 (main): Add stack_limit_rtx as GC root.
14961 * tree.h (DECL_NO_LIMIT_STACK): New macro.
14962 (struct tree_decl): New member no_limit_stack.
14964 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
14966 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
14967 (conditional_trap+1): Get new mnemonic correct.
14968 (conditional_trap+2): New pattern for DImode traps.
14970 * config/m68k/m68k.c (output_function_prologue): Handle
14972 * config/m68k/m68k.md (trap): New insn.
14973 (conditional_trap): New insn.
14974 * md.texi (Standard Names): Document `trap' and
14975 `conditional_trap'.
14976 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
14977 so a cc0 setter doesn't get emitted at some random place in the
14980 * config/i960/i960.md (trap): New insn.
14981 (conditional_trap): New expander.
14982 (conditional_trap+1, conditional_trap+2): New insns for signed
14983 and unsigned cases.
14984 * config/i960/i960.c (i960_function_prologue): Use
14985 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
14987 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
14988 Geoffrey Keating <geoffk@cygnus.com>
14990 * flags.h (warn_padded, warn_packed): Add global var decls.
14991 * toplev.c (warn_padded, warn_packed): Add global var defns.
14992 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
14993 * stor-layout.c (layout_record): Add local variable `type'
14994 to hold often-used TREE_TYPE (field). Add local variable
14995 `unpacked_align' to hold alignment that would be in force
14996 if no `packed' attribute were present. Warn if `packed' attribute
14997 is unnecessary, or even harmful. Warn when gcc inserts padding
14998 to satisfy alignment requirements of members. Use NULL_TREE
14999 when checking whether var_size is set.
15000 * invoke.texi: Document new flags.
15002 1999-12-03 Nathan Sidwell <nathan@acm.org>
15004 * frame.c (fde_split): Reimplement to avoid variable sized array.
15006 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15008 * combine.c (try_combine): Before fixing up LOG_LINKS for the
15009 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
15011 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
15013 * invoke.texi: Document the mips option -mno-crt0
15015 1999-12-02 Mike Karr <mkarr@mathworks.com>
15017 * cccp.c (argdata): Added free_ptr member.
15018 (macroexpand): Initialize free_ptr of each argument. When an
15019 argument's buffers are freed, if the argument's free_ptr corresponds
15020 to a buffer on the input stack, then return the free_ptr to that stack
15021 frame, otherwise, free it.
15022 (macarg): If an argument begins and ends on the same input stack level,
15023 then transfer the free_ptr of that buffer to the argument in case
15024 the stack is popped during the processing of a subsequent argument.
15026 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
15028 * loop.c (note_reg_stored): New function.
15029 (struct note_reg_stored_arg): New structure.
15030 (try_copy_prop): Change to be more conservative; only replace within
15031 one extended basic block and stop replacing if a store to the
15032 replacement reg is seen.
15034 1999-12-02 Nick Clifton <nickc@cygnus.com>
15036 * config/fp-bit.c: Initialise all fields of the NAN
15039 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
15042 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15044 * i386.md (extend?f?f2): Force the input into a register, not
15047 1999-12-01 Jakub Jelinek <jakub@redhat.com>
15049 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
15051 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
15052 alternative because setting up 64bit constant is usually costly,
15053 especially when reload is in progress or completed.
15054 (movdf_const_intreg_sp64): Likewise.
15055 (movdf_const_intreg split): Fix building up constants when
15056 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
15058 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
15060 * combine.c (if_then_else_cond): Use const_true_rtx instead of
15061 const1_rtx for return values in EQ/NE comparison against (const_int 0)
15064 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
15065 (asm_file_start): Emit .am33 into assembly file when compiling for
15067 (print_operand_address): Handle POST_INC addresses.
15068 (can_use_return_insn, initial_offset): Check AM33 registers too.
15069 (expand_prologue): Check & save AM33 registers too.
15070 (expand_epilogue): Similarly.
15071 (secondary_reload_class): Handle AM33 specific secondary reloads.
15072 (output_tst): Emit efficient code for the AM33 too.
15073 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
15074 (TARGET_SWITCHES): Add -mam33 switch.
15075 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
15076 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
15077 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
15078 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
15079 (enum reg_class, REG_CLASS_NAMES): Likewise.
15080 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
15081 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
15082 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
15083 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
15084 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
15085 (HAVE_POST_INCREMENT): Define.
15086 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
15087 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
15088 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
15089 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
15090 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
15091 (zero_extend to SI from QI/HI): Likewise.
15092 (sign_extend to SI from QI/HI): Likewise.
15093 (mulsidi3, umulsidi3): New patterns for the AM33.
15094 (tstsi with zero extension from QI/HI): Add AM33 variants.
15095 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
15096 (return_internal_regs, store_movm): Handle new AM33 registers.
15097 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
15098 (LIBGCC, INSTALL_LIBGCC): Likewise.
15099 * invoke.texi: Document new flags.
15101 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15103 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
15104 (addsi3_carry): Likewise.
15105 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
15106 (sbbsi3_carry): Likewise.
15107 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
15108 (mulhi3): Likewise.
15109 (test?i_1): Ensure that only one operand is memory.
15110 (conditional move patterns): likewise.
15111 (shift and rotate patterns): Rewrite to expander, add
15112 "binary_operator_ok" to the condition.
15114 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
15115 * i386.h (procesor_costs): Add movzbl_load field.
15116 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
15117 non-Q registers, accept DImode registers anywhere.
15119 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
15120 * i386.c (*_cost): Set value for movxbl_load field.
15122 * (addsi): New add to lea splitter.
15123 (ashlsi): Likewise.
15124 (lea to add/shift peep2): New.
15126 1999-12-01 Mark Salter <msalter@cygnus.com>
15128 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
15129 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
15130 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
15132 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15134 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
15135 * i386.md (movsi_xor): New.
15137 (movsi_1, movhi_1, movqi_1): Remove.
15138 (movsi_2): Rename to movsi_1.
15139 (movhi_2): Rename to movhi_1.
15140 (movqi_2): Rename to movqi_1.
15141 (movdi_1): Remove; remove splitter.
15142 (movdi_2): Rename to movdi_1.
15143 (divmodsi4 splitter): Do not emit clobbers for move patterns.
15144 (long move peep2): Do not create QI or HI mode mov0s
15145 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
15147 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
15150 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
15151 (abs?f2_if): Likewise.
15153 1999-11-30 Alex Samuel <samuel@codesourcery.com>
15155 * ggc.h (ggc_test_and_set_mark): New macro.
15156 (ggc_mark_rtx): Use ggc_test_and_set_mark.
15157 (ggc_mark_tree): Likewise.
15158 (ggc_mark_rtvec): Likewise.
15159 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
15161 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
15163 * dwarf2out.c (scope_die_for): Only handle types. Only search for
15165 (decl_scope_table): Just an array of trees now.
15166 (push_decl_scope): Simplify.
15167 (dwarf2out_init): Adjust.
15168 (local_scope_p): New fn.
15169 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
15170 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
15171 (gen_typedef_die): Likewise.
15172 (gen_lexical_block_die): Don't call push/pop_decl_scope.
15173 (gen_inlined_subroutine_die): Likewise.
15174 (gen_abstract_function): Set current_function_decl temporarily.
15175 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
15176 Handle block extern declarations. Don't call push/pop_decl_scope.
15177 (gen_decl_die): Fix logic for block externs.
15179 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15181 * calls.c (special_function_p): Remove `realloc' and add `strdup'
15182 to the list of functions which have attribute malloc by default.
15184 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15186 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
15187 integer constant does not match the traditional type, limit the
15188 warnings to cases where the base of the type is ten.
15190 * invoke.texi (-Wtraditional): Document it.
15192 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15194 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
15195 * rs6000.md: Only access a CONST_INT with INTVAL
15197 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
15199 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
15200 (compute_nearerout): Likewise.
15201 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
15202 size_t to unsigned long for formatting.
15204 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15206 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
15207 Allow the user to override call-used/fixed state of %g2-5
15208 registers from the command line (with the exception of %g4 for
15210 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
15211 there is a higher chance of having a leaf function.
15212 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
15213 for ARCH64 which has %ccr register.
15214 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
15216 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
15217 insn accept into delay slot any insn which does not use %[ol]
15218 registers. Accept some LO_SUM and shift left by 1 for the normal
15220 (output_function_epilogue): Likewise.
15221 (epilogue_renumber): Added argument which inhibits any renumbering
15222 and just tests if the rtx does not use any %[ol] registers.
15223 (output_return): Reflect above change.
15225 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15227 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
15228 aggregate passing for sizes <= 16 bytes.
15230 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
15232 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
15233 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
15234 * reload.c (find_dummy_reload): Likewise.
15235 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
15236 * reload1.c (reload_as_needed): Likewise.
15237 * stupid.c (stupid_find_reg): Likewise.
15238 * tm.texi (Obsolete Register Macros): Delete section.
15239 * gmicro.h: Remove all traces of the two macros.
15240 * i386.h: Likewise.
15241 * m88k.h: Likewise.
15242 * mips.h: Likewise.
15244 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
15246 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
15247 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
15248 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
15249 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
15250 units for the sparclite86x chip.
15251 (flush): Revert October 14th change; add SImode specifically.
15252 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
15253 * invoke.texi: Document it.
15255 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
15257 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
15258 psimode_truncation_operand.
15260 * config/mn10200/mn10200.c (psimode_truncation_operand): New
15261 function. Return true if the operand is either a MEM valid
15262 for a PSImode address or not a MEM at all.
15264 * config/mn10200/mn10200.md (truncsipsi2): Use
15265 psimode_truncation_operand.
15267 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15269 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
15270 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
15271 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
15272 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
15273 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
15274 (flow_loop_level_compute, low_loops_level_compute): Likewise.
15275 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
15276 * basic-block.h: Protect from multiple inclusion.
15277 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
15278 (struct loops, struct loop): Define structures.
15279 * sbitmap.c (sbitmap_a_subset_b_p): New function.
15280 * sbitmap.h: Protect from multiple inclusion.
15281 (sbitmap_a_subset_b_p): Add prototype.
15282 * Makefile.in (LOOP_H): New macro.
15283 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
15285 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
15287 * cppinit.c (CAT): The argument list of this macro may not contain
15290 1999-11-29 David S. Miller <davem@redhat.com>
15292 Move quantity tables and register equivalence chains into
15293 per-qty and per-register structure arrays respectively.
15294 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
15295 qty_const_insn, qty_comparison_code, qty_comparison_const,
15296 qty_comparison_qty): Delete, replace with...
15297 (qty_table): this structure table.
15298 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
15299 (reg_eqv_table): this structure table.
15300 (make_new_qty): Add argument MODE. Caller updated.
15301 Update to use qty_table and reg_eqv_table.
15302 (make_regs_eqv, delete_reg_equiv, insert_regs,
15303 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
15304 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
15305 cse_process_notes, cse_main, cse_basic_block): Likewise.
15307 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15309 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
15310 operation if C is negative.
15311 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
15312 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
15313 law for some divisions if constant is negative and change other
15314 divisions to the opposite rounding.
15316 * expr.c (store_constructor_field): If bit position is not multiple
15317 of alignment of TARGET's mode, use BLKmode.
15319 * expr.c (expand_expr_unaligned): Add more code from full case
15320 that is needed when OP0 is in a register.
15322 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15324 * dwarfout.c (field_byte_offset): Size can be zero if there was
15327 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15329 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
15330 (associate_trees): Delete unused var TEM.
15331 (extract_muldiv): Delete unused var CANCEL_P.
15333 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
15334 (target_isinf, target_isnan, target_negative): Add return types to
15335 function definitions.
15337 1999-11-29 Bruce Korb <autogen@linuxbox.com>
15339 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
15340 * fixinc/hackshell.tpl: ditto
15341 * fixinc/fixtests.c(double_slash_test): more C++ header testing
15342 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
15344 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15346 * reload.c (push_reload): When looking for a register to put into
15347 reg_rtx, make sure all hard regs in a multi-reg register are in the
15348 right class and nonfixed.
15350 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
15351 pending_read_insns, pending_write_insns, pending_read_mems,
15352 pending_write_mems, pending_list_length, last_pending_memory_flush,
15353 last_function_call, sched_before_next_call): Move static variables
15355 (bb_ prefixed versions): Replace with single array bb_deps.
15356 (struct deps): New structure.
15357 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
15358 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
15359 argument of type "struct deps *"; use that instead of global
15360 variables. All callers changed.
15361 (init_rgn_data_dependencies): Delete function.
15362 (init_rtx_vector): Delete function.
15363 (init_deps): New function.
15365 (free_pending_lists): Simplify, we always use the bb_deps array even
15366 if only one basic block.
15367 (compute_block_backward_dependences): Likewise.
15368 (schedule_region): Likewise.
15370 (propagate_deps): New function, broken out of
15371 compute_block_backward_dependences.
15372 (compute_block_backward_dependences): Use it.
15374 * alpha.md: Delete useless patterns that tried to work around
15375 register elimination problems.
15377 * unroll.c (loop_iterations): Don't abort if iteration variable
15380 From Joern Rennecke:
15381 * reload1.c (reloads_conflict): Reverse test comparing operand
15382 numbers when testing for conflict between output/outaddr reloads.
15384 1999-11-29 David S. Miller <davem@redhat.com>
15386 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
15388 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
15390 1999-11-28 Robert Lipe <robertl@cygnus.com>
15392 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
15393 table from .fini into .dtor.
15395 1999-11-28 Anthony Green <green@cygnus.com>
15397 * tree.h (struct tree_decl): Add malloc_flag.
15398 (DECL_IS_MALLOC): Define.
15399 * c-common.c (attrs): Add A_MALLOC attribute.
15400 (init_attributes): Add this attribute to the table.
15401 (decl_attributes): Handle malloc attribute.
15402 * calls.c (special_function_p): Check for the malloc attribute.
15403 * extend.texi (Function Attributes): Document malloc attribute.
15405 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
15407 * pa.md (reload shift-add patterns): Remove.
15409 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15411 * reorg.c (dbr_schedule) Print more statistics. Corrected
15412 problem when printing info when 3 delay slots are filled.
15414 1999-11-28 Jakub Jelinek <jakub@redhat.com>
15416 * combine.c (setup_incoming_promotions): Pass an outgoing
15417 regno to FUNCTION_ARG_REGNO_P which it expects.
15419 1999-11-28 Andreas Jaeger <aj@suse.de>
15421 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
15423 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
15425 * cccp.c (do_include): Avoid initialization of automatic variable.
15427 * integrate.c (mark_stores): Function definition made void, to match
15428 previous declaration.
15429 * regclass.c (dump_regclass): Ditto.
15430 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
15432 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15434 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
15435 known to be multiple of divisor.
15437 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
15439 * combine.c (try_combine): Add code to try to merge a set of a
15440 two-word pseudo to a constant with a setting of one of those words
15443 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
15444 (split_tree): Completely rework to make more general.
15445 (make_range, fold): Call negate_expr.
15446 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
15447 (fold, associate): Call new split_tree and associate_trees.
15448 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
15450 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
15452 * loop.c (try_copy_prop): Avoid GNU C extension.
15454 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15456 * except.c (init_eh_for_function): Still zero eh_return_context,
15457 eh_return_stack_adjust, and eh_return_handler.
15459 * except.h (eh_status): Adjust documentation for x_protect_list.
15460 (begin_protect_partials): New function.
15461 * except.c (enqueue_eh_entry): Fix formatting.
15462 (get_first_handler): Add consistency check.
15463 (add_partial_entry): Adjust usage of protect_list.
15464 (emit_cleanup_handler): Save and restore ehqueue.
15465 (expand_start_all_catch): Add comment.
15466 (begin_protect_partials): New function.
15467 (end_protect_partials): Adjust usage of protect_list.
15468 (init_eh_for_function): Use xcalloc.
15470 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15472 * c-common.c (check_format_info): Don't call a variadic function
15473 with a non-literal format string.
15475 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
15477 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
15478 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
15481 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
15484 * collect2.c (collect_wait): Likewise.
15486 * dbxout.c (dbxout_type): Likewise.
15488 * gcc.c (do_spec_1): Likewise.
15490 * genemit.c (gen_insn, gen_expand): Likewise.
15492 * genrecog.c (write_switch, write_subroutine): Likewise.
15494 * mips-tfile.c (catch_signal, botch): Likewise.
15496 * print-rtl.c (print_rtx): Likewise.
15498 * toplev.c (default_print_error_function, report_error_function,
15499 _fatal_insn): Likewise.
15501 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15503 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
15505 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15507 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
15508 operations when needed.
15509 * i386.md (fop_?f_comm): New.
15510 (fop_?f_1): Do not accept commutative operands.
15512 1999-11-25 Andreas Jaeger <aj@suse.de>
15514 * config/mips/mips.md (casesi_internal): Add missing brace.
15516 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
15518 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
15519 (splice_child_die): Handle moving a child DIE from the declaration
15520 DIE of a class to its specification.
15521 (gen_struct_or_union_type_die): Use 'complete' consistently.
15522 (gen_decl_die): Generate the virtual context DIE first.
15523 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
15525 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
15527 * config/mips/mips.md (call_value_multiple_interanal1): New.
15529 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
15531 * dwarf2out.c (free_AT, free_die): New fns.
15532 (remove_children): Call them.
15533 (output_line_info): Disable removal of duplicate notes.
15535 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
15536 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
15537 means pretend the type isn't defined.
15538 Don't defer emitting types.
15539 (gen_type_die_for_member): New fn.
15540 (gen_decl_die): Call it.
15541 (splice_child_die): New fn.
15542 (gen_member_die): Call it rather than generate duplicate dies.
15544 Defer emitting information for the abstract instance of an inline
15545 until we either inline it or emit an out-of-line copy.
15546 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
15547 from output_inline_function if DECL_ABSTRACT is also set.
15548 (block_ultimate_origin): Likewise.
15549 (gen_abstract_function): New fn.
15550 (gen_decl_die, gen_inlined_subroutine_die): Call it.
15551 (gen_subprogram_die): An abstract instance is not a declaration
15552 just because it doesn't match current_function_decl. Don't abort
15553 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
15554 has an abstract origin.
15555 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
15556 abstract instance here.
15558 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
15560 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
15561 where we need to reload fpul from a system register.
15563 1999-11-24 Andreas Jaeger <aj@suse.de>
15565 * config/mips/linux.h (CPP_PREDEFINES): Added.
15566 (LINK_SPEC): Remove -Y since this is only needed on sparc.
15568 1999-11-24 Andreas Jaeger <aj@suse.de>
15570 * config/mips/linux.h (TARGET_VERSION): Added.
15571 (HANDLE_SYSV_PRAGMA): Added.
15572 (DEFAULT_VTABLE_THUNKS): Added.
15574 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15576 * local-alloc.c (qty): New structure and static variable.
15577 (qty_phys_reg): Remove, all references changed to qty.
15578 (qty_n_refs): Likewise.
15579 (qty_min_class): Likewise.
15580 (qty_birth): Likewise.
15581 (qty_death): Likewise.
15582 (qty_size): Likewise.
15583 (qty_mode): Likewise.
15584 (qty_n_calls_crossed): Likewise.
15585 (qty_alternate_class): Likewise.
15586 (qty_changes_size): Likewise.
15587 (qty_first_reg): Likewise.
15588 (alloc_qty): Rename variable QTY to QTYNO.
15589 (finf_free_reg): Likewise.
15590 (local_alloc): Allocate qty, do not allocate the removed variables.
15592 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
15594 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
15595 when -membedded-pic is passed.
15597 * config/mips/mips.md (casesi): Handle 64-bit case too.
15598 (casesi_internal_di): New insn.
15600 * config/mips/mips.c (embedded_pic_offset): Always make the
15601 embedded-pic subtractions relative to the name of the current
15602 function by use of the magic string "..CURRENT_FUNCTION".
15603 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
15605 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
15607 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
15608 of (const_int 0), when what we really care about is
15609 whether it's a zero constant anyway.
15610 (div_trap_mips16): Likewise.
15612 1999-11-23 Mark Mitchell <mark@codesourcery.com>
15614 * loop.c (loop_optimize): Always find_loop_tree_blocks and
15615 unroll_block_trees when generating debuggable code.
15617 * tree.h (unsave_expr_1): New function.
15618 (lang_unsave): New variable.
15619 (get_callee_fndecl): New function.
15620 * tree.c (unsave_expr_now_r): New function.
15621 (lang_unsave): Define.
15622 (unsave_expr_1): Likewise.
15623 (unsave_expr_now_r): Split out from unsave_expr_now.
15624 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
15625 call unsave_expr_now_r.
15626 (get_callee_fndecl): Define.
15628 * Makefile.in (gencheck): Don't depend on lang_tree_files.
15629 (gencheck.o): Do depend on lang_tree_files.
15631 * integrate.h (copy_decl_for_inlining): New declaration.
15632 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
15633 (copy_decl_for_inlining): New function.
15634 (integrate_parm_decls): Use it.
15635 (integrate_decl_tree): Likewise.
15637 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
15639 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
15640 the second two from the first.
15641 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
15642 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
15643 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
15645 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
15646 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
15649 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
15651 * pa.md (call_internal_symref, call_value_internal_symref): No mode
15652 needed on the address operand.
15653 * pa.c (call_operand_address): Check for the correct mode.
15655 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
15657 * loop.c: Include "basic-block.h".
15658 (try_copy_prop, replace_loop_reg): New functions.
15659 (load_mems): Detect registers that just hold copies of the hoisted
15660 mem, and call try_copy_prop to eliminate them.
15661 * Makefile.in (loop.o): Update dependencies.
15663 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
15665 * Makefile.in (gencheck.o): Depend on gencheck.h.
15666 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
15667 (insn-peep.o): Depend on except.h and function.h.
15668 (insn-attrtab.o): Depend on RECOG_H.
15669 (insn-output.o): Depend on toplev.h and flags.h.
15670 (gengenrtl.o): Depend on real.h.
15671 (gen-protos.o): Depend on cpplib.h and cpphash.h.
15672 Unify all dependencies to be on RECOG_H rather than recog.h.
15674 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15676 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
15677 * configure.in: Try building a bi-arch 32/64-bit compiler on
15678 sparc-*-solaris2.7 and higher.
15679 * configure: Rebuild.
15681 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
15683 * config/freebsd.h: New, FreeBSD architecture independent file.
15684 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
15685 independent pieces.
15686 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
15687 directly by i386/freebsd.h.
15688 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
15689 independent configuration file.
15690 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
15691 directly by i386/freebsd.h.
15692 * configure: Rebuilt.
15694 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
15695 which is in the user's namespace.
15696 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
15697 `i386' which is not in our namespace.
15699 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
15701 * invoke.texi (ARM Options): Add in -mno-alignment-traps
15703 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
15705 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
15706 (add_dwarf_attr, add_child_die): Just push onto the front.
15707 (reverse_die_lists): New fn.
15708 (add_sibling_attributes): Use it.
15709 (push_decl_scope): Reorganize.
15710 (add_name_and_src_coords_attributes): Don't set file and line for
15711 an artificial decl.
15712 (gen_subprogram_die): An artificial function doesn't need to match
15714 (gen_compile_unit_die): Return the generated die. Only add
15715 AT_comp_dir if the filename is relative.
15716 (remove_AT): Simplify loop. Also free string values.
15717 (output_die): A DIE ref can't be null.
15718 (output_value_format, value_format): Take a dw_attr_ref.
15719 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
15720 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15721 AT_addr, AT_lbl): New fns.
15722 (various): Use them.
15723 (various): Constify.
15725 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15727 * combine.c (combine_simplify_rtx): When handling a SUBREG,
15728 take SUBREG_WORD into account.
15729 (if_then_else_cond): Likewise.
15731 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
15733 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
15734 clause from BSD license, pursuant with
15736 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
15738 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
15740 * loop.c (load_mems): Reformat slightly.
15741 * basic-block.h (regset_head): New typedef.
15742 (INIT_REG_SET): New macro.
15744 1999-11-22 Bruce Korb <autogen@linuxbox.com
15746 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
15747 (mips-dec-bsd*): non-functional code
15748 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
15750 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
15751 added three replacement fixes
15752 (no_double_slash): removed comments that are not (any longer) pertinent
15753 (bad_lval): this fix currently runs against many files.
15754 The comment seems to indicate that we should select for files
15755 containing 'pragma extern_prefix'.
15757 * fixinc/fixinc.x86-linux-gnu: deleted
15758 * fixinc/inclhack.sh: regen
15759 * fixinc/fixincl.x: regen
15760 * fixinc/fixincl.sh: regen
15762 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
15764 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
15765 its code is INSN and it has no notes.
15767 1999-11-22 Andrew Haley <aph@cygnus.com>
15769 * varasm.c (function_defined): Remove.
15770 (make_function_rtl): Don't set function_defined.
15771 (make_decl_rtl): Remove global register warning.
15772 * regclass.c (no_global_reg_vars): New variable.
15773 (globalize_reg): Warn if function has already been defined.
15774 (regclass_init): Set no_global_reg_vars.
15776 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15778 * regclass.c (reg_pref): New structure and static variable
15779 (prefclass): Delete.
15780 (altclass): Delete.
15781 (all uses of prefclass and altclass): Use reg_pref instead.
15783 1999-11-21 Nick Clifton <nickc@cygnus.com>
15785 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
15787 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
15788 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
15789 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
15791 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
15793 * varasm.c (output_constructor): Solve problem with long long
15794 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
15796 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15798 * global.c (allocno): New structure and static variable.
15799 (allocno_reg): Remove, all references replaced by allocno.
15800 (allocno_size): Likewise.
15801 (hard_reg_conflicts): Likewise.
15802 (hard_reg_preferences): Likewise.
15803 (hard_reg_copy_preferences): Likewise.
15804 (hard_reg_full_preferences): Likewise.
15805 (regs_someone_prefers): Likewise.
15806 (allocno_calls_crossed): Likewise.
15807 (allocno_n_refs): Likewise.
15808 (allocno_live_length): Likewise.
15809 (find_reg): Rename ALLOCNO to NUM.
15811 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
15812 references updated.
15813 (may_move_out_cost): New variable.
15814 (init_reg_sets_1): Initialize may_move_out_cost.
15815 (record_reg_classes): Use may_move_out_cost.
15817 * regclass.c (dump_regclass): New function.
15818 (regclass): New parameter DUMP, call DUMP_REGCLASS.
15819 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
15820 pass rtl_dump_file to regclass.
15821 * rtl.h (regclass): Update prototype.
15823 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15825 * i386.md (neg, not and abs patterns): Revmap to use
15826 ix86_expand_unary_operator and ix86_unary_operator_ok.
15827 (add?f and sub?f expanders): Force operand 1 to register.
15828 * i386.c (ix86_expand_unary_operator): Rewrite.
15829 (ix86_unary_operator_ok): Ensure that memory operands
15831 (ix86_binary_operator_ok): Do not allow operand 1 to
15832 come into memory and operand 0 not.
15833 (ix86_expand_binary_operator): Ensure that
15834 src1 is not non-matching memory.
15836 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
15837 to support integer registers and memory.
15838 (abss?2_integer): Likewise.
15840 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
15841 (REG_CLASS_NAMES): Likewise.
15842 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
15844 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
15845 (movsf): Likewise; unify 4th and 5th alternative.
15846 (pushdf): Likewise.
15847 (movdf_1): Likewise; rename to movdf_integer.
15848 (pushxf): Likewise; rename to pushxf_integer; fix output template;
15849 remove redundant splitter.
15850 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
15851 (movdf_nointeger): New.
15852 (movxf_nointeger): New.
15853 (pushxf_nointeger): New.
15855 * i386.md (extend?f?f): Split to expander and pattern, refuse two
15856 memory operands in patterns.
15857 (fop*): Refuse two memory operands.
15859 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
15860 on !TARGET_USE_CLTD CPUs.
15862 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
15864 * extend.texi: Document C++ restricted pointers and references.
15866 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
15868 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
15869 (invalidate_skipped_set): Call it unconditionally.
15870 (cse_set_around_loop): Likewise.
15872 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15874 * rtl.texi (mem): Add documentation for alias-set argument
15877 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15879 * i386.h (struct_processor_costs): New fields int_load, int_store,
15880 fp_move, fp_load and fp_store
15881 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
15883 (MEMORY_MOVE_COST): New macro.
15884 * i386.c (386_cost): Define new fields.
15885 (i486_cost): Likewise.
15886 (pentium_cost): Likewise.
15887 (pentiumpro_cost): Likewise.
15888 (k6_cost): Likewise.
15890 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
15891 Geoffrey Keating <geoffk@cygnus.com>
15893 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
15895 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
15898 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
15899 (TARGET_STRICT_ALIGNMENT): New macro.
15900 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
15901 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
15902 * invoke.texi (M680x0 Options): Document -mstrict-align.
15904 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
15905 Richard Henderson <rth@cygnus.com>
15907 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
15908 (ix86_split_long_move): Declare.
15909 * i386.c (split_xf, ix86_split_movdi): Remove.
15910 (ix86_split_to_parts, ix86_split_long_move): New.
15911 * i386.md (dimode move splitters): Use ix86_split_long_move.
15912 (dfmode move splitters): Likewise.
15913 (xfmode move splitters): Likewise.
15914 (movsf_1): Allow F->r.
15915 (movdf_1, movxf_1): Allow F->ro.
15917 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15919 * except.h (struct eh_entry): Add goto_entry_p.
15920 (eh_region_from_symbol): Remove prototype.
15921 * except.c (find_func_region_from_symbol): New function.
15922 (emit_cleanup_handler): Likewise.
15923 (eh_region_from_symbol): Make it static.
15924 (add_new_handler): Verify the argument.
15925 (find_func_region): Update comment.
15926 (expand_eh_region_end): Expand handlers here, rater than waiting
15927 until expand_leftover_cleanups or start_all_catch.
15928 (expand_leftover_cleanups): Don't expand here.
15929 (expand_start_all_catch): Or here.
15930 (expand_rethrow): Check the return value from find_func_region.
15931 * function.c (expand_function_end): Emit the catch_clauses.
15933 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
15935 * integrate.c (expand_inline_function): Add necessary check for NULL.
15937 1999-11-18 Nick Clifton <nickc@cygnus.com>
15939 * toplev.c (main): Correctly detect an unrecognised option.
15941 * cppinit.c (cpp_handle_option): Do not claim to have consumed
15942 a -f option if it has not been recognised.
15944 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
15946 * basic-block.h (update_life_extent): Remove trailing comma on
15947 enumeration type list.
15949 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15951 * varasm.c (output_constructor) Solved problem with long long
15952 bitfields. Corrected calculating this_time and shift. Also
15953 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
15955 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
15957 * flow.c (split_edge): Take looping structure into account when
15958 determining where to put the new block note.
15960 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
15962 * Makefile.in (ggc-none.o): Provide host specific version if
15965 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
15967 * cse.c (delete_trivially_dead_insns): Identify no-op insns
15968 containing subregs too.
15970 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15972 * invoke.texi: Add documentation for -muninit-const-in-rodata.
15973 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
15974 (TARGET_UNINIT_CONST_IN_RODATA): Define.
15975 (text_section): Add switches -munint-const-in-rodata and
15976 -mno-uninit-const-in-rodata.
15977 (ASM_OUTPUT_COMMON): Remove.
15978 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
15979 const objects should be placed in read-only data. Otherwise declare
15982 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
15984 * jump.c (jump_optimize_1): Revert last change.
15986 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
15988 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
15989 test if optimizing for size.
15991 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15993 * Makefile.in (toplev.o): Depend on except.h.
15994 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
15996 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15998 * i386.md (divmodsi4): Rewrite to expander.
15999 (*divmodsi4_nocltd): New.
16000 (*divmodsi4_cltd): New.
16001 (divmodsi4 splitter): Handle the case when input comes in edx.
16002 (udivmodhi4): Do not use constraints in exander.
16003 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
16005 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
16007 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
16008 for the common case.
16010 1999-11-16 Jakub Jelinek <jakub@redhat.com>
16012 * explow.c (hard_function_value): Add outgoing argument.
16013 * expr.h (hard_function_value): Declare it.
16014 * calls.c (expand_call, emit_library_call_value): Update callers.
16015 * function.c (aggregate_value_p): Ditto.
16016 (diddle_return_value): Must look at the outgoing registers
16017 on archs with register windows.
16019 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
16021 * alpha.c (alpha_build_va_list): Use make_lang_type and
16022 initialize TYPE_NAME for the va_list record.
16024 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
16026 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
16028 * ggc.h (struct ggc_statistics): Rearrange elements for better
16029 packing on 64-bit hosts.
16030 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
16031 (compute_nearerout): Likewise.
16033 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
16035 * config/rs6000/rs6000.c (first_reg_to_save): Save
16036 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
16038 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
16040 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
16041 notion of nesting to find the DIE for a type or function.
16042 DIEs can go in limbo even if we got a context_die.
16043 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
16044 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
16046 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
16047 (gen_type_die): Writing out the context doesn't cause member class
16048 template instantiations to be written out as well.
16050 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
16052 * rs6000.h (ASM_OUTPUT_DEF): New.
16053 Based on proposed addition from David Edelsohn.
16055 1999-11-15 Robert Lipe <RobertLipe@usa.net>
16056 Bruce Korb <autogen@linuxbox.com>
16058 * fixinc/inclhack.def
16059 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
16060 (unixware7_byteorder_fix): added. Removes conflicts for new defs
16062 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
16063 (svr4_endian): enabled with SVR5
16064 (svr4_mkdev): simplified syntax and enabled with SVR5
16066 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
16068 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
16069 * configure: Rebuilt.
16070 * config/t-freebsd-thread: New file.
16072 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
16074 * i386.c (ix86_decompose_address): Verify the base is a REG
16075 before trying to examine its register number.
16077 * basic-block.h: Remove all #defines and prototypes related to
16079 (free_bb_mem, compute_preds_succs): Remove prototype.
16080 * rtl.h (free_bb_mem): Remove prototype.
16081 * flow.c (alloc_int_list_node); Remove function.
16082 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
16083 (compute_preds_succs, free_bb_mem): Likewise.
16084 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
16085 * toplev.c (rest_of_compilation): Likewise.
16086 * haifa-sched.c (build_control_flow): Use flow generated edge
16087 list to build the haifa specific edge list.
16088 (find_rgns): Use new CFG data structures instead of pred/succ lists.
16089 (schedule_insns): Do not build pred/succ lists anymore. Instead
16090 build the edge table.
16092 * basic-block.h (dump_bb_data): Remove declaration.
16093 * flow.c (dump_bb_data): Remove function.
16094 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
16095 (sbitmap_union_of_predsucc): Likewise.
16097 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
16098 argument. All callers changed.
16099 (delete_null_pointer_checks_1): No longer need to compute the
16102 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
16103 All callers changed.
16104 (pre_expr_reaches_here_p_work): Likewise.
16105 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
16106 * lcm.c (compute_laterin): Fix initialization of LATER.
16107 (compute_nearerout): Similarly for NEARER.
16109 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16111 * cse.c (set_nonvarying_address_components): Delete unused function.
16112 (refers_to_p): Likewise.
16114 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
16116 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
16119 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16121 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
16122 definition in do while (0).
16124 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
16126 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
16128 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
16130 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
16132 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16134 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
16135 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
16136 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
16137 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
16139 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
16140 saved on the stack. Output more accurate stack frame statistics
16141 into assembler file.
16143 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
16145 * genextract.c (record_insn_name): New function.
16146 (get_insn_name): No longer a stub.
16147 (main): Call record_insn_name for each insn. After each label
16148 written, print the insn name in a comment.
16150 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16152 * output.h (const_section, init_section, fini_section): Add
16155 * alpha/elf.h (const_section): Delete declaration.
16157 * svr4.h (const_section): Likewise.
16159 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
16161 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
16162 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
16163 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
16165 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
16166 variable-sized array bounds.
16168 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
16170 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
16173 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16175 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
16176 addresses the same way GO_IF_LEGITIMATE_INDEX does.
16178 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16180 * cse.c (hash_arg_in_struct): Delete.
16181 (struct table_elt): Delete elt in_struct.
16182 (struct set): Delete elt src_in_struct.
16183 (merge_equiv_classes): Don't set either hash_arg_in_struct or
16184 the corresponding in_struct elts.
16185 (canon_hash): Likewise.
16186 (safe_hash): Likewise.
16187 (find_best_addr): Likewise.
16188 (record_jump_cond): Likewise.
16189 (cse_insn): Likewise.
16191 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
16193 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
16195 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
16198 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
16200 * function.c (diddle_return_value): Put back check that the DECL_RTL
16201 for the function is a register.
16203 * function.c (diddle_return_value): Use hard_function_value to
16204 get an rtx suitable for use in the USE/CLOBBER insn.
16206 * global.c (global_conflicts): Update comments.
16207 (record_conflicts): No need to record conflicts between pseudos here.
16209 1999-11-11 Bruce Korb <autogen@linuxbox.com>
16211 * fixinc/fixincl.c: Added verbose levels for status messages
16213 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16215 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
16216 operand as argument to expand_and or expand_binop.
16218 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
16220 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
16221 gcc_add_string_root.
16223 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
16225 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
16227 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
16229 * flow.c (compute_flow_dominators): Initially put all blocks on
16231 * lcm.c (compute_antinout_edge, compute_available): Similarly.
16232 * gcse.c (compute_cprop_avinout): Remove.
16233 (compute_cprop_data): Use compute_available.
16234 (delete_null_pointer_checks_1): Use compute_available.
16236 * basic-block.h (compute_available): Returns a void now.
16237 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
16238 to return a value anymore.
16239 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
16240 worklists. Fix boundary cases. Compute maximal solutions.
16241 (compute_laterin, compute_nearerout): Similarly.
16243 * dwarf2out.c (add_AT_location_description): Allow
16244 (mem (plus (pseudo) (...)) too.
16246 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
16248 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
16250 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
16251 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16253 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
16255 * gansidecl.h: Likewise.
16261 * toplev.h: Likewise.
16263 * tree.c: Likewise.
16265 * tree.h: Likewise.
16267 * varray.c: Likewise.
16269 * varray.h: Likewise.
16271 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
16273 * gcov.c (struct arcdata): Add hits and total, remove prob.
16274 (output_branch_counts): New.
16275 (process_args): Set output_branch_counts if -c.
16276 (calculate_branch_probs): Store hits and total instead of
16278 (output_data): Emit counts if output_branch_counts is true.
16279 * gcov.texi (Invoking Gcov): Document -c switch..
16281 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
16283 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
16284 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
16286 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
16288 * invoke.texi (C Dialect Options): Add missing builtins from
16289 c-common.c to list.
16290 * extend.texi (Other Builtins): Copy to this list.
16292 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16294 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
16295 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
16296 redundant bitmap.h.
16298 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
16300 * flow.c (compute_flow_dominators): No longer treat basic block 0
16301 or (n_basic_blocks - 1) specially. Clear the AUX field before
16302 starting computation of doms/pdoms. Fix initial state for pdoms.
16304 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16306 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
16307 match rtl.o's: added ggc.h and toplev.h
16308 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
16309 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
16310 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
16312 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
16314 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
16315 from HAVE_DOS_BASED_FILESYSTEM.
16316 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
16317 HAVE_DOS_BASED_FILESYSTEM.
16319 (split_directories): Only special-case DOS file names if
16320 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
16321 instead of explicit tests. Conditionalize on !VMS.
16322 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
16323 tests. Conditionalize on !VMS.
16324 (process_command): Only use make_relative_prefix if !VMS.
16325 (free_split_directories): Conditionalize on !VMS.
16326 (DIR_UP): Conditionalize on !VMS.
16328 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
16330 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
16332 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
16334 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
16337 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
16339 * invoke.texi (Environment Variables): Document relative path
16341 * gcc.c (DIR_UP): If not defined, define as "..".
16342 (standard_bindir_prefix): New static, holds target location to
16344 (split_directories): New function to split a filename into
16345 component directories.
16346 (free_split_directories): New function, release memory allocated
16347 by split_directories.
16348 (make_relative_prefix): New function, make a relative pathname if
16349 the compiler is not in the expected location.
16350 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
16351 can figure out an appropriate prefix from argv[0].
16352 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
16353 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
16354 STANDARD_BINDIR_PREFIX.
16356 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16358 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
16360 * config/c4x/c4x.h: Moved prototypes to c4x.h.
16361 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
16362 c4x_secondary_memory_needed) Delete.
16363 (fp_zero_operand): Add mode argument.
16365 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
16367 * reload1.c (reload_reg_free_for_value_p): Don't use a register
16368 that is in reload_reg_used.
16370 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
16372 * config/arm/arm-protos.h: New file: Prototypes for functions
16373 defined in arm.c and pe.c.
16374 * config/arm/arm.h: Fix compile time warnings.
16375 * config/arm/arm.c: Fix compile time warnings.
16376 * config/arm/pe.h: Fix compile time warnings.
16377 * config/arm/aout.h: Fix compile time warnings.
16379 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
16381 * config/m32r/m32r-protos.h: New file: Prototypes for functions
16384 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
16385 Add support for subtargets.
16386 Add prototypes for new predicates.
16387 Add scheduling macros.
16389 * config/m32r/m32r.c: Fix compile time warnings.
16390 (int8_operand): New predicate function.
16391 (reg_or_cmp_int16_operand): New predicate function.
16392 (extend_operand): New predicate function.
16393 (m32r_adjust_code): New scheduling function.
16394 (m32r_adjust_priorty): New scheduling function.
16395 (m32r_sched_init): New scheduling function.
16396 (m32r_sched_reorder): New scheduling function.
16397 (m32r_sched_variable_issue): New scheduling function.
16398 (direct_return): New codegen function.
16399 (m32r_not_same_reg): New rtl testsing function.
16401 * config/m32r/m32r.md: Fix compile time warnings.
16402 Add support for pre decrement and post increment memory
16404 Add S<cc> patterns.
16407 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16409 * global.c (EXECUTE_IF_CONFLICT): Don't define.
16410 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
16411 (find_reg): Likewise.
16413 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
16415 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
16416 to avoid assembler errors.
16418 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
16420 * config/v850/v850-protos.h: New file: Prototypes for functions
16422 * config/v850/v850.h: Move prototypes to v850-protos.h
16423 * config/v850/v850.c: Move prototypes to v850-protos.h
16424 * config/v850/v850.md: Fix compile time warnings.
16426 * config/fr30/fr30-protos.h: New file: Prototypes for functions
16428 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
16429 * config/fr30/fr30.c: Fix compile time warnings.
16430 * config/fr30/fr30.md: Fix compile time warnings.
16432 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
16434 * tree.h (get_containing_scope): Declare it.
16435 * tree.c (get_containing_scope): New fucntion.
16436 (decl_function_context): Use it.
16437 * toplev.c (rest_of_compilation): Use get_containing_scope.
16439 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16441 * Makefile.in (rtl.o): Depend on toplev.h.
16443 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
16445 * cse.c (delete_trivially_dead_insns): Replace alloca with
16447 * except.c (update_rethrow_references): Likewise.
16448 (init_eh_nesting_info): Likewise.
16449 * function.c (identify_blocks): Likewise.
16450 * gcse.c (dump_hash_table): Likewise.
16451 * graph.c (print_rtl_graph_with_bb): Likewise.
16452 * loop.c (combine_movables): Likewise.
16453 (move_movables): Likewise.
16454 (count_loop_regs_set): Likewise.
16455 (strength_reduce): Likewise.
16456 * profile.c (compute_branch_probabilities): New function, split
16458 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
16459 * regclass.c (regclass): Likewise.
16460 * regmove.c (regmove_optimize): Likewise.
16461 * toplev.c (compile_file): Likewise.
16462 (main): Don't mess with the stack rlimit.
16464 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
16466 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
16467 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
16469 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
16471 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
16473 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
16475 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
16476 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
16479 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
16481 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
16483 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
16485 * gcse.c (post_dominators): Kill.
16486 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
16487 (compute_code_hoist_data): Use compute_flow_dominators. Do not
16488 pass in a pdom array since we do not need pdoms.
16489 * haifa-sched.c (schedule_insns): Similarly.
16490 * flow.c (compute_dominators): Remove dead function.
16491 (compute_flow_dominators): Do not compute doms or pdoms if the
16492 caller does not request them. Split up loop to build doms and
16493 pdoms. Use a worklist to compute doms and pdoms.
16494 * basic-block.h (compute_dominators): Remove prototype.
16496 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
16498 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
16499 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
16500 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
16501 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
16502 (cant_move, fed_by_spec_load, is_load_insn): Remove.
16503 (schedule_region): Remove unused variable.
16504 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
16506 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
16508 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
16509 (update_equiv_regs): Likewise.
16510 (block_alloc): Likewise.
16511 * reg-stack.c (reg_to_stack): Likewise.
16512 (convert_regs_2): Likewise.
16513 * reload1.c (reload_as_needed): Likewise.
16515 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
16517 * Makefile.in (dbxout.o): Depend on ggc.h.
16518 (dwarf2out.o): Likewise.
16519 (xcoffout.o): Likewise.
16520 * dbxout.c: Include ggc.h.
16521 (dbxout_init): Register lastfile as a root.
16522 * dwarf2out.c: Include ggc.h.
16523 (dwarf2out_line): Register lastfile as a root.
16524 * xcoffout.c: Include ggc.h.
16525 (xcoffout_source_line): Register xcoff_lastfile as a root.
16527 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
16529 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
16531 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
16533 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
16535 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
16537 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16539 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
16540 (EXECUTE_IF_CONFLICT): Likewise.
16541 (ALLOCNO_LIVE_P): Avoid signed division.
16542 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
16543 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
16544 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
16546 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
16548 * haifa-sched.c (schedule_block): Don't crash if there's no
16549 next insn for an interblock movement.
16550 (add_branch_dependences): Don't allow clobber insns to move either.
16552 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
16554 * i386.c (split_xf): New.
16555 * i386-protos.h: Declare it.
16556 * i386.md (movxf_1): Add general regs alternatives.
16557 (movxf_1+1): New splitter for same.
16559 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
16561 * function.c (purge_addressof_1): Add missing return values.
16563 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
16565 * function.c (is_addressof): New function. Returns true if
16566 the given piece of RTL is an ADDRESSOF.
16567 (purge_addressof_1): Make boolean. Return false if the
16568 ADDRESSOFs could not be purged.
16569 (purge_addressof): If ADDRESSOFs could not be purged from the
16570 notes attached to an insn, remove the offending note(s),
16571 unless they are attached to a libcall.
16573 1999-11-05 Andreas Jaeger <aj@suse.de>
16575 * genoutput.c (null_operand =): Initialize all fields.
16577 * errors.h: Add extern to prototypes.
16579 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
16581 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
16582 * configure: Rebuilt.
16584 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16586 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
16587 (mirror_conflicts): New function.
16588 (global_alloc): Call it.
16589 (expand_preferences): Remove redundant CONFLICTP test.
16590 (find_reg, dump_conflicts): Likewise.
16591 (prune_preferences): Process conflicts one word at a time.
16593 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
16595 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
16596 instead of an explicit loop.
16598 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
16600 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
16601 if REG_RETVAL check succeeds, then put classp in src_elt.
16603 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
16605 * function.c (pad_to_arg_alignment): Only update argument_pad
16606 if the argument's alignment is greater than STACK_BOUNDARY.
16608 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
16610 * bitmap.h (BITMAP_XFREE): New.
16611 * flow.c (life_analysis): Use it.
16612 (life_analysis_1): Free blocks.
16614 * combine.c (undo_commit): New.
16615 (try_combine): Use it. Don't zap undobuf.undos.
16616 (combine_instructions): Don't zap undobuf.undos; free the
16617 undobuf.frees list.
16619 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
16621 * stmt.c (cost_table_): New.
16622 (estimate_case_costs): Use it instead of xmalloc.
16624 * toplev.c (compile_file): Reuse dumpname memory instead
16627 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
16629 * reg-stack.c (convert_regs_1): Initialize target_stack->top
16630 after verifying an EH edge.
16632 * haifa-sched.c (init_rgn_data_dependences): Correctly
16633 size bb_pending_lists_length when zeroing.
16635 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
16637 * function.c (diddle_return_value): New.
16638 (expand_function_end): Use it.
16639 * stmt.c (expand_null_return): Likewise.
16640 (expand_value_return): Likewise.
16642 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
16644 * reload1.c (reload): Don't remove return value clobbers.
16646 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
16648 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
16650 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
16652 * cse.c (cse_main): Use xmalloc, not alloca.
16653 (cse_basic_block): Likewise.
16654 * local-alloc.c (local_alloc): Likewise.
16656 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
16657 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16659 * rtl.c: Include toplev.h.
16660 (fatal): Remove declaration.
16662 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
16664 * haifa-sched.c (schedule_block): Fix thinko.
16666 1999-11-03 James McKelvey <mckelvey@fafnir.com>
16668 * fixinc/fixincl.c(create_file): Allow for systems that do not have
16669 S_IR* defined values
16671 1999-11-03 Philippe De Muyter <phdm@macqel.be>
16673 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
16674 call `malloc' instead.
16676 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
16678 * flags.h (flag_renumber_insns): Declare.
16679 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
16681 * rtl.h (renumber_insns): Change prototype.
16682 * toplev.c (flag_renumber_insns): Define.
16683 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
16685 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
16687 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
16688 and fpsqrtd. Use them and create fdiv function unit to more
16689 accurately represent fpu sqrt pipeline semantics on UltraSparc.
16690 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
16692 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
16694 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
16696 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
16697 insn into ready list, do not use just a raw swap.
16699 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
16701 * rtl.h (renumber_insns): New function.
16702 (remove_unnecessary_notes): Likewise.
16703 * emit-rtl.c (renumber_insns): Define.
16704 (remove_unncessary_notes): Likewise.
16705 * toplev.c (rest_of_compilation): Remove dead code.
16706 Use renumber_insns and remove_unncessary_notes.
16708 * gcse.c (struct null_pointer_info): New type.
16709 (get_bitmap_width): New function.
16710 (current_block): Remove.
16711 (nonnull_local): Likewise.
16712 (nonnull_killed): Likewise.
16713 (invalidate_nonnull_info): Take a null_pointer_info as input.
16714 (delete_null_pointer_checks_1): New function.
16715 (delete_null_pointer_checks): Use it.
16717 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
16718 (split_edges): Likewise.
16719 (schedule_block): Likewise.
16720 (compute_block_backward_dependencies): Likewise.
16721 (schedule_region): Likewise.
16722 (schedule_insns): Likewise.
16724 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
16726 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
16727 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
16728 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
16729 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
16730 * jump.c (delete_unreferenced_labels): Don't delete if
16731 LABEL_ALTERNATE_NAME is set.
16732 * print-rtl.c (print_rtx): Dump alternate name.
16733 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
16734 * rtl.h (LABEL_ALTERNATE_NAME): Define.
16735 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
16736 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
16738 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16740 * fix-header.c (recognized_extern, recognized_function): Constify
16743 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
16744 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
16745 (compute_available): Remove unused variable `last'.
16746 (compute_nearerout): Remove unused variable `temp_bitmap'.
16747 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
16748 Remove unused variable `x'.
16750 * scan.h (recognized_function, recognized_extern): Constify a
16753 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
16755 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16757 * varasm.c (decode_rtx_const): Use XSTR to access the string
16760 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
16762 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
16764 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16766 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
16768 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
16770 * pa.c (ireg_operand): New function.
16771 * pa.h (PREDICATE_CODES): Handle ireg_operand.
16772 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
16773 Fix out of date comment.
16775 * pa.md (negdi2): Turn into expander + anonymous pattern.
16777 * reload.c (find_reloads): Fix typos in recent change.
16779 * dwarf2out.c: Do not include ctype.h.
16781 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16783 * regclass.c (record_reg_classes): Always use may_move_cost when
16784 seeing how operand fits with various register classes.
16786 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
16788 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
16789 * toplev.c: Revert Nov 1 13:22 change.
16791 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
16793 * config/pa/pa.md (height reduction patterns): Add checks for
16794 overlapping operands to avoid semantic-destroying splits for
16795 height reduction patterns.
16797 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16799 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
16800 have been an hyphen, fixed.
16801 * configure: Rebuilt.
16803 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
16805 * config/arm/tpe.h: Add prototypes for exported functions.
16806 * config/arm/pe.c: Fix compile time warnings.
16807 * config/arm/semi.h: Fix compile time warnings.
16808 * config/arm/arm.c: Fix compile time warnings.
16809 * config/arm/arm.h: Fix compile time warnings.
16810 * config/arm/arm.md: Fix compile time warnings.
16811 * config/arm/thumb.c: Fix compile time warnings.
16812 * config/arm/thumb.h: Fix compile time warnings.
16813 * config/arm/thumb.md: Fix compile time warnings.
16815 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
16817 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
16820 * unroll.c (unroll_loop): Remove LOOP notes when loop is
16821 completely unrolled.
16823 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16825 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
16827 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
16829 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
16830 * rtl.h (rtx_equal_p): Move prototype.
16831 * rtl.c (rtx_equal_function_value_matters): Move from
16833 (rtx_equal_p): Likewise.
16834 * rtlanal.c (rtx_equal_function_value_matters): Delete.
16835 (rtx_equal_p): Likewise.
16837 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
16839 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
16840 ! HAS_INIT_SECTION.
16842 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
16844 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
16846 * pa.h (ADDR_VEC_ALIGN): Define.
16848 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
16849 notes when presented with "if (foo) break; end_of_loop" and
16850 the break sequence gets moved out of the loop.
16852 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
16853 Remove explicit zero initializations of entries within MAP.
16855 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
16857 * reg-stack.c (convert_regs_1): Handle EH edges specially.
16859 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
16861 * bitmap.h (BITMAP_XMALLOC): New macro.
16862 * flow.c (CLEAN_ALLOCA): Remove.
16863 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
16864 (life_analysis): Likewise.
16865 (update_life_info): Don't use CLEAN_ALLOCA.
16866 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
16867 (calculate_global_regs_live): Likewise.
16868 (print_rtl_with_bb): Likewise.
16869 (verify_flow_info): Likewise.
16870 * global.c (global_alloc): Likewise.
16871 (global_conflicts): Likewise.
16872 * integrate.c (save_for_inline_nocopy): Likewise.
16873 (expand_inline_function): Likewise.
16874 * jump.c (jump_optimize_1): Likewise.
16875 (duplicate_loop_exit_test): Likewise.
16876 (thread_jumps): Likewise.
16877 * loop.c (loop_optimize): Likewise.
16878 (combine_givs): Likewise.
16879 (recombine_givs): Likewise.
16880 * reorg.c (dbr_schedule): Likewise.
16881 * unroll.c (unroll_loop): Likewise.
16883 * combine.c (combine_instructions): Use xmalloc instead of alloca.
16885 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
16887 * toplev.c (rest_of_compilation): Don't optimize the CFG
16888 when rebuilding, just before dbr.
16890 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16892 * output.h (assemble_end_function, assemble_destructor,
16893 assemble_constructor, assemble_gc_entry, assemble_global,
16894 assemble_label, output_constant_pool) Constify a char*.
16896 * varasm.c (assemble_destructor, assemble_constructor,
16897 assemble_gc_entry, assemble_end_function, assemble_global,
16898 assemble_label, output_constant_pool): Likewise.
16900 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
16902 * config/arm/thumb.c (thumb_expand_prologue): Add comments
16903 explaining what is goin on in this function.
16905 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16907 * regclass.c (record_reg_classes): In matching case, recompute
16908 costs since the direction of movement is different.
16910 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16912 * resource.c (mark_target_live_regs): For unconditional branches,
16913 the resources found at the branch target should be added to the
16914 resources found so far, not intersected.
16916 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
16918 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
16920 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
16921 (sys/mman.h): Include this file only if #HAVE_MMAP.
16922 (run_compiles): Initialize `esac_fmt' with one old KR string, not
16923 with automatically concatenated ANSI strings.
16925 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
16927 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
16928 (DIV_ROUND_UP): Robustify.
16929 (ggc_recalculate_in_use_p): New function.
16930 (release_pages): Don't inline it.
16931 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
16933 (ggc_pop_context): Use ggc_recalculate_in_use_p.
16934 (clear_marks): Always save in_use_p.
16935 (sweep_pages): Use ggc_recalculate_in_use_p.
16936 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
16937 Release pages before counting statistics.
16939 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
16941 * toplev.c (rest_of_compilation): Fix thinko in this change:
16943 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16945 (rest_of_compilation): If inside an inlined external function,
16946 pretend we are just being declared.
16948 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
16950 * flow.c (calculate_global_regs_live): Fix thinko.
16952 * integrate.c (expand_inline_function): Fix bugs in previous
16953 change from Oct 28, 1999.
16955 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
16957 * stmt.c (expand_value_return): Fix typo in this change:
16959 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16960 (expand_value_return): Correctly convert VAL when promoting function
16961 return; support RETURN_REG being a PARALLEL.
16963 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
16965 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
16967 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16969 * hard-reg-set.h (reg_names): Constify a char*.
16971 * regclass.c (reg_names): Likewise.
16973 * regs.h (reg_names): Likewise
16975 * a29k/a29k.c (reg_names): Delete declaration.
16977 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
16979 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
16980 arc_output_function_epilogue): Likewise.
16982 * elxsi/elxsi.c (reg_names): Likewise.
16984 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
16986 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
16989 * m88k/m88k.c (output_function_profiler): Likewise.
16991 * sparc/sparc.c (sparc_flat_output_function_prologue,
16992 sparc_flat_output_function_epilogue): Likewise.
16994 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
16996 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
16997 warning from -Wuninitialized and put it under -W.
16998 * function.c (uninitialized_vars_warning): Warn only when the
16999 corresponding flag is set.
17001 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
17003 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
17004 is nonzero and the single set does not have an elt, then assign
17007 * simplify-rtx.c: New file.
17008 * Makefile.in (OBJS): Add simplify-rtx.o
17009 (simplify-rtx.o): Add dependencies.
17010 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
17011 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
17012 (cse_gen_binary, simplify_unary_operation): Delete.
17013 (simplify_binary_operation, simplify_plus_minus): Likewise.
17014 (check_fold_consts, simplify_relation_operation): Likewise.
17015 (simplify_ternary_operation): Likewise.
17016 (delete_trivially_dead_insns): Simplify the contents of the
17017 REG_EQUAL note before trying to substitute it into the source
17018 of the reg-reg copy at the end of a libcall sequence.
17020 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
17021 references/callers changed.
17023 * mn10200.c (mn10200_va_arg): Force the return value into a
17026 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
17028 * cccp.c (macroexpand): Avoid out of range accesses for omitted
17031 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
17033 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
17035 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
17037 * fold-const.c (fold): Fix thinko when optimizing comparisons
17040 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
17042 * gcc.texi (Passes): Update front-end files to their current
17045 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
17047 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
17048 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
17049 (PREDICATE_CODES): Add addition_operation.
17050 * alpha-protos.h (addition_operation): Declare.
17051 (secondary_reload_class): Likewise.
17052 * alpha.c (addition_operation): New.
17053 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
17054 * alpha.md (adddi3): Turn into expander.
17055 (*lda, *adddi_2): New.
17056 (movsf, movdf patterns): Don't preference integer regs.
17057 (movsi, movdi patterns): Don't preference fp regs.
17059 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
17061 * genrecog.c (write_switch): Check for duplicate CODE cases.
17063 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
17065 * ggc-common.c: Update pre-function commentary.
17066 * ggc-page.c: Likewise.
17068 (poison_pages): Use memset directly.
17069 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
17070 (ggc_collect): Poison before sweeping.
17071 * ggc-simple.c: Update pre-function commentary.
17072 (ggc_alloc_obj): Poison non-zeroed memory.
17074 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
17076 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
17077 match format string, even on 64-bit hosts.
17078 * gcc-page.c (ggc_page_print_statistics): Likewise.
17080 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
17082 * config/i386/i386.c (ix86_cpu): Revert last patch.
17083 * config/i386/i386.h (ix86_cpu): Ditto.
17085 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
17087 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
17088 TYPE_SIZE, convert type of result to sizetype.
17090 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
17092 * flow.c (count_or_remove_death_notes): Equate NULL with the
17095 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
17096 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
17099 * i386.c (pic_label_no): Delete.
17100 (ix86_attr_length_default): Don't use single_set to peek
17103 * recog.c (peephole2_optimize): Allow recog_next_insn to index
17104 the first insn after bb->end.
17105 * i386.md (push mem peeps): Scratch is live after evaluation
17107 (cmp mem peep): Similarly.
17109 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
17111 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
17112 * function.c (pad_to_arg_alignment): Add missing braces.
17114 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17116 * alpha/alpha-protos.h (literal_section): Add prototype.
17117 (alpha_need_linkage, alpha_start_function,alpha_end_function):
17120 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
17122 (alpha_start_function, alpha_end_function, float_strings,
17123 alpha_need_linkage): Constify a char*
17125 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
17127 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
17129 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
17131 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
17133 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17135 * flow.c (debug_flow_info): Add prototype.
17137 * gcc.c (main): Likewise.
17139 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
17142 * reload1.c (failed_reload, set_reload_reg): Likewise.
17144 * mips-tfile.c (main): Likewise.
17145 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
17146 with ATTRIBUTE_NORETURN.
17148 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
17150 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
17151 DECL is not a memory ref.
17153 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
17155 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
17156 * config/i386/i386.c (ix86_cpu): Add extern attribute.
17158 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
17160 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
17161 * config/mips/elf64.h: ditto.
17163 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
17165 * expr.c (emit_push_insn): New argument alignment_pad.
17166 Update all callers. Adjust stack pointer based on alignment pad.
17167 * function.c (pad_to_arg_alignment): New argument alignment_pad.
17168 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
17169 (locate_and_pad_parm): New argument alignment_pad. Update all
17171 * expr.h (emit_push_insn): Update prototype.
17172 (locate_and_pad_parm): Update prototype.
17173 * calls.c (arg_data): Add new field alignment_pad.
17174 (initialize_argument_information): Initialize alignment_pad.
17176 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
17178 * except.c (free_eh_nesting_info): Free the info itself.
17179 * function.c (free_after_compilation): Don't free NULL.
17180 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
17181 (pre_edge_insert): Free inserted.
17182 * stmt.c (free_stmt_status): Don't free NULL.
17184 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17186 * gcov.c (DIR_SEPARATOR): Provide default.
17187 (output_data): Add test for MS-DOS format absolute filename.
17188 (fancy_abort): Correct program name.
17189 (open_files): Open all files in binary mode.
17190 * libgcc2.c (__bb_exit_func): Likewise.
17192 * profile.c (init_branch_prob): Specify binary when opening files.
17194 * flags.h (flag_unwind_tables): New decl.
17195 * toplev.c (flag_unwind_table): New definition.
17196 (f_options): Add -funwind-tables.
17197 (decode_g_option): Clarify warning when unknown -g option is given.
17198 (rest_of_compilation): If inside an inlined external function,
17199 pretend we are just being declared.
17201 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
17202 (dwarf2out_frame_finish): Likewise.
17204 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
17206 * fold-const.c (merge_ranges): If not in0, but in1, handle
17207 upper bounds equal like subset case.
17209 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
17211 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
17212 passed in a register but moved to the stack.
17214 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
17216 * gcc.c (pass_exit_codes, greatest_status): New variables.
17217 (struct option_map): Add entry for "--pass-exit-codes".
17218 (execute): Update greatest_status if error.
17219 (display_help): Add documentation for -pass-exit-codes.
17220 (process_command): Handle -pass-exit-codes.
17221 (main): Look at pass_exit_codes and greatest_status on call to exit.
17223 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17225 * reload.c (find_reloads): Refine test for no input reload
17226 case to not includes reloads emitted after insn.
17228 * function.c (find_temp_slots_from_address): Handle sum involving
17229 a register that points to a temp slot.
17230 (update_temp_slot_address): Make recursive call if both old and
17231 new are PLUS with a common operand.
17232 * calls.c (expand_call): Mark temp slot for result as having
17235 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
17237 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
17238 component as well as "BINUTILS".
17240 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
17241 * integrate.c (copy_rtx_and_substitute): Likewise.
17242 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
17243 All callers changed.
17244 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
17246 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
17247 gdb extensions, write size of type; also be more consistent
17248 in using references when this is a subtype.
17250 * pa.md (extv, extzv, insv): Use define_expand to reject constant
17251 that is out of range.
17253 * loop.c (unknown_constant_address_altered): New variable.
17254 (prescan_loop): Initialize it.
17255 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
17256 (invariant_p, case MEM): Remove handling for volatile and readonly;
17257 check new variable if readonly.
17258 (check_dbra_loop): Chdeck unknown_constant_address_altered.
17260 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
17261 (addr_affects_sp_p): Removed from note_mem_written and only
17262 define #ifdef AUTO_INC_DEC.
17264 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
17266 * regclass.c (record_reg_classes): Properly handle register move
17269 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
17270 Don't think valid if both operands are invalid.
17271 (struct constant_descriptor): New field RTL.
17272 (mark_const_hash_entry): Mark it.
17273 (record_constant{,_rtx}): Initialize it.
17274 (output_constant_def): Allocate RTL in permanent obstack and
17276 ({record,compare}_constant_1): Modes must match for
17277 CONSTRUCTOR of ARRAY_TYPE.
17279 * c-common.h (initializer_constant_valid_p): Delete decl from here.
17280 * output.h (initializer_constant_valid_p): Move decl to here.
17281 * c-common.c (initializer_constant_valid_p): Delete function from here.
17282 * varasm.c (initializer_constant_valid_p): Move function to here.
17284 * tree.h (STRIP_SIGN_NOPS): New macro.
17285 * fold-const.c (optimize_minmax_comparison): New function.
17286 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
17287 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
17288 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
17289 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
17290 widening conversions.
17291 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
17292 to look at size of mode, not precision of type; also add missing cases.
17293 (optimize_bit_field_compare, decode_field_reference): Don't try to
17294 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
17296 * dwarf2out.c (ctype.h): Include.
17297 (dwarf2out_set_demangle_name_func): New function.
17298 (size_of_line_info): Deleted.
17299 (output_line_info): Compute size of line info table from difference
17301 (base_type_die, add_name_attribute): Call demangle function, if any.
17302 (field_byte_offset): Use bits per word for variable length fields.
17303 (gen_array_type_die): Add array name.
17304 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
17305 (dwarf2out_add_library_unit_info): New function.
17307 * explow.c (set_stack_check_libfunc): New function.
17308 (stack_check_libfunc): New static variable.
17309 (probe_stack_range): Allow front-end to set up a libfunc to call.
17311 * combine.c (simplify_comparison): When making comparison in wider
17312 mode, check for having commuted an AND and a SUBREG.
17313 (contains_muldiv): New function.
17314 (try_combine): Call it when dividing a PARALLEL.
17315 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
17316 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
17318 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
17319 use one of the CLOBBERs instead.
17320 (if_then_else_cond): If comparing against zero, just return thing
17323 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
17324 Don't generate shifts and subtract if have conditional arithmetic.
17326 * rtl.h (delete_barrier): New declaration.
17327 * jump.c (jump_optimize): Set up to handle conditional call.
17328 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
17329 (delete_barrier): New function.
17331 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
17333 * recog.c (nonmemory_operand): Accept ADDRESSOF.
17335 * tree.c (build_type_attribute_variant): Push to obstack of
17336 ttype around type_hash_canon call.
17338 * expr.c (placeholder_list): Move decl to file scope.
17339 (expand_expr): Don't force access to volatile just because its
17341 If ignoring reference operations, just expand the operands.
17342 (expand_expr, case COMPONENT_REF): Propagate
17343 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
17344 Refine test for using bitfield operations vs pointer punning.
17345 (expand_expr, case CONVERT_EXPR): If converting to
17346 BLKmode UNION_TYPE from BLKmode, just return inner object.
17347 Use proper mode in store_field call.
17348 Properly set sizes of object to store and total size in store_field
17349 call for convert to union.
17350 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
17351 memory (like for ADDR_EXPR). Also, don't put constant in register if
17352 we'll want it in memory.
17353 (readonly_fields_p): New function.
17354 (expand_expr, case INDIRECT_REF): Call it if LHS.
17355 (expand_assignment): Handle a RESULT_DECL where
17356 DECL_RTL is a PARALLEL.
17357 (do_jump, case WITH_RECORD_EXPR): New case.
17358 (get_inner_reference): Always go inside a CONVERT_EXPR
17359 and NOP_EXPR if both modes are the same.
17360 (store_field): Use bitfield operations if size of bitsize is not same
17361 as size of RHS's type.
17362 Check for bitpos not a multiple of alignment in BLKmode case.
17363 Do block move in largest possible alignment.
17364 (store_constructor): Set BITSIZE to -1 for variable size and properly
17365 in case of array of BLKmode.
17366 (expand_expr_unaligned): New function.
17367 (do_compare_and_jump): Call it.
17369 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
17370 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
17371 does not include 'o'.
17373 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
17374 both SET_DEST and SET_SRC reference a virtual register.
17375 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
17377 * integrate.c (expand_inline_function): Handle case of setting
17378 virtual stack vars register (from built in setjmp); when parameter
17379 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
17380 (subst_constant): Add new parm, MEMONLY.
17381 (expand_inline_function, integrate_parm_decls): Pass new parm.
17382 (integrate_decl_tree): Likewise.
17383 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
17384 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
17385 (copy_rtx_and_substitute, case SET): Add explicit calls to
17386 copy_rtx_and_substitute for both sides.
17388 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
17390 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
17391 within INDEX_TYPE, instead of before.
17392 (fixup_gotos): Use f->target_rtl, not the next insn,
17393 since latter may be from a later fixup.
17394 (expand_value_return): Correctly convert VAL when promoting function
17395 return; support RETURN_REG being a PARALLEL.
17396 (expand_return): When checking for result in regs and having
17397 cleanup, consider PARALLEL in DECL_RTL as being in regs.
17399 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
17401 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
17402 last_nominal_fname): Mark const.
17403 (struct include_hash: name, nshort, control_macro): Mark
17405 (struct macrodef: symnam): Mark const.
17406 (struct if_stack: fname): Mark const.
17407 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
17408 (IStable): New character-syntax array which encompasses all
17409 the old is_foo arrays.
17410 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
17411 is_space): New macros for interrogating IStable.
17412 (check_macro_name): Kill last argument. All callers changed.
17414 * cppinit.c (initialize_char_syntax): Delete.
17415 (is_idchar, is_idstart, is_hor_space, is_space,
17416 trigraph_table): Delete.
17417 (IStable): New. Initialize with clever macros to avoid
17418 information duplication.
17419 (builtin_array): Table of builtins to get rid of explicit list
17420 in initialize_builtins.
17421 (initialize_builtins): Use builtins_array.
17422 (cpp_start_read): Call init_IStable, and set IStable['$'] if
17423 opts->dollars_in_ident.
17425 * cppexp.c: Change all refs to is_xyz[] arrays to use new
17427 (cpp_parse_expr): Avoid 'format string is not constant'
17428 warning. Use ISGRAPH to identify printable chars.
17429 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
17431 (read_and_prescan): Map trigraphs to chars with open-coded
17432 if-else-if-... sequence, not a lookup table.
17433 * cpphash.c: Change all refs to is_xyz[] arrays to use new
17435 * cpplib.c: Change all refs to is_xyz[] arrays to use new
17436 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
17437 (check_macro_name): Remove ability to report an invalid
17438 assertion name, which is never used.
17439 (do_line): Constify a couple of char *'s.
17440 * cppmain.c (main): Call cpp_cleanup before returning.
17442 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
17444 * ggc.h (struct ggc_statistics): New type.
17445 (ggc_get_size): New function.
17446 (ggc_print_statistics): Likewise.
17447 * ggc-common.c (ggc_stats): New variable.
17448 (ggc_mark_rtx_children): Keep statistics.
17449 (ggc_mark_tree_children): Likewise.
17450 (ggc_print_statistics): New function.
17451 * ggc-page.c (struct globals): Add bytes_mapped field.
17452 (alloc_anon): Update it.
17453 (release_pages): Likewise.
17454 (ggc_get_size): New function.
17455 (ggc_page_print_statistics): New function.
17456 * ggc-simple.c (ggc_get_size): New function.
17458 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
17460 * flow.c (propagate_block): When the last reference to a label
17461 before an ADDR_VEC is deleted because the reference is a dead
17462 store, delete the ADDR_VEC.
17464 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
17466 * resource.c (find_free_register): Don't use the frame pointer
17467 if frame_pointer_needed.
17469 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
17471 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
17472 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
17474 * config/i960/i960.c (i960_va_start): New locals base, num.
17475 Use INDIRECT_REF instead of ARRAY_REF on valist.
17476 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
17478 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
17480 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
17482 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
17484 * tree.def (PLACEHOLDER_EXPR): Update comments.
17486 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17488 * c-common.c (check_format_info): Avoid non-literal format string
17489 warnings when `first_arg_num' is zero.
17491 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17493 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
17495 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
17497 * arm.md (casesi_insn): Add a clobber of the condition code
17500 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
17502 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
17503 used by both cc1 and cc1plus.
17505 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
17507 * config/arm/arm.c: Initialise arm_structure_size_boundary to
17508 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
17509 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
17510 to the value 32 if it has not already been defined.
17511 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
17512 Override definition in arm.h with a value of 8.
17514 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
17516 * c-pragma.c (push_alignment): Don't check the return value
17519 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
17521 * sparc.h (ADJUST_COST): Fix thinko.
17523 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
17525 * cccp.c (rescan): Fixed obp pointer handling around call to
17526 check_expand subroutine.
17528 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
17530 * gcse.c (delete_null_pointer_checks): Only record non-null info
17531 for pseudos when examining stores.
17533 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
17534 splitters for these patterns. Use "#" for output templates.
17535 (addsi3_carryin_shift): New pattern.
17537 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
17539 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
17540 of the function return register into a plain REG until
17541 after function inlining is done.
17543 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17545 * jump.c (jump_optimize_1): If we did cross-jumping, and
17546 the data will matter, rebuild the CFG.
17547 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
17548 not optimizing. Don't run shorten_branches.
17549 * toplev.c (rest_of_compilation): Run shorten_branches after
17552 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
17554 * rtl.h (note_stores): Add additional paramter.
17555 * rtlanal.c (reg_set_p_1): Take additional paramter.
17556 (reg_set_last_1): Likewise.
17557 (reg_set_p): Adjust call to note_stores.
17558 (reg_set_last): Likewise.
17559 (note_stores): Pass data parameter to worker function.
17560 * alias.c (record_set): Take additional parameter.
17561 (init_alias_analysis): Pass it.
17562 * caller-save.c (mark_set_regs): Take additional parameter.
17563 (save_call_clobbered_regs): Pass NULL to note_stores.
17564 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
17566 (record_dead_and_set_regs_1): Likewise.
17567 (reg_dead_at_p_1): Likewise.
17568 (combine_instructions): Adjust calls to note_stores.
17569 (try_combine): Likewise.
17570 (record_dead_insn): Remove.
17571 (record_dead_and_set_regs): Adjust calls to note_stores.
17572 (reg_dead_at_p): Likewise.
17573 * cse.c (invalidate_skipped_set): Take additional parameter.
17574 (cse_check_loop_start): Likewise.
17575 (cse_check_loop_start_value): Remove.
17576 (cse_set_around_loop): Adjust calls to note_stores.
17577 * flow.c (notice_stack_pointer_modification): Take additional
17578 parameter. Remove duplicate declaration.
17579 (record_volatile_insns): Adjust calls to note_stores.
17580 * gcse.c (record_set_info): Take additional parameter.
17581 (record_last_set_info): Likewise.
17582 (invalidate_nonnull_info): Likewise.
17583 (record_set_insn): Remove.
17584 (compute_sets): Adjust calls to note_stores.
17585 (last_set_insn): Remove.
17586 (compute_hash_table): Adjust calls to note_stores.
17587 (insert_insn_end_bb): Likewise.
17588 (delete_null_pointer_checks): Likewise.
17589 * global.c (mark_reg_store): Take additional parameter.
17590 (mark_reg_clobber): Likewise.
17591 (reg_becomes_live): Likewise.
17592 (global_conflicts): Adjust calls to note_stores.
17593 (build_insn_chain): Likewise.
17594 * integrate.c (note_modified_parmregs): Take additional parameter.
17595 (mark_stores): Likewise. Make it static.
17596 (save_for_inline_nocopy): Adjust calls to note_stores.
17597 (try_constants): Likewise.
17598 * integrate.h (mark_stores): Remove declaration.
17599 * jump.c (mark_modified_reg): Take additional parameter.
17600 (thread_jumps): Adjust calls to note_stores.
17601 * local-alloc.c (validate_equiv_mem_from_store): Take additional
17603 (no_equiv): Likewise.
17604 (reg_is_set): Likewise.
17605 (validate_equiv_mem): Adjust calls to note_stores.
17606 (update_equiv_regs): Likewise.
17607 (block_alloc): Likewise.
17608 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
17609 (note_addr_stored): Take additional parameter.
17610 (note_set_pseudo_multiple_uses): Likewise.
17611 (record_initial): Likewise.
17612 (prescan_loop): Adjust calls to note_stores.
17613 (strength_reduce): Likewise.
17614 (check_dbra_loop): Likewise.
17615 * regmove.c (flags_set_1): Take additional paramter.
17616 (mark_flags_life_zones): Adjust calls to note_stores.
17617 * reload1.c (mark_not_eliminable): Take additional parameter.
17618 (forget_old_reloads_1): Likewise.
17619 (reload_cse_invalidate_rtx): Likewise.
17620 (reload_cse_check_clobber): Likewise.
17621 (reload_combine_note_store): Likewise.
17622 (move2add_note_store): Likewise.
17623 (reload): Adjust calls to note_stores.
17624 (reload_as_needed): Likewise.
17625 (emit_reload_insns): Likewise.
17626 (reload_cse_regs_1): Likewise.
17627 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
17628 (reload_combine): Adjust calls to note_stores.
17629 * resource.c (update_live_status): Take additional paramter.
17630 (mark_target_live_regs): Adjust calls to note_stores.
17631 * stupid.c (find_clobbered_regs): Take additional parameter.
17632 (stupid_life_analysis): Adjust calls to note_stores.
17634 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
17636 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
17639 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
17642 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
17643 of the variable arm_structure_size_boundary.
17645 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
17647 * alias.c (init_alias_analysis): Allocate reg_known_value and
17648 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
17650 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
17651 * cse.c (cse_main): Call end_alias_analysis.
17652 * haifa-sched.c (schedule_insns): Likewise.
17653 * local-alloc. (update_equiv_regs): Likewise.
17654 * reload1.c (reload_cse_regs): Likewise.
17656 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17658 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
17659 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
17660 mapping from MASK_FPU.
17662 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
17664 * sparc.md (call): Don't bound structure return size to 0xfff.
17666 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
17668 * resource.c (mark_target_live_regs): Check that the target
17669 insn wasn't created after compute_bb_for_insn.
17671 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
17673 * ggc-page.c (poison_pages): Don't be overzealous.
17675 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
17677 * alias.c: Update comments for ADDRESS.
17678 (nonlocal_reference_p): Look inside the ADDRESS to determine if
17679 it is a local memory reference.
17681 * c-typeck.c (build_function_call): Check that the built-in
17682 function is of class BUILT_IN_NORMAL before trying to recongize
17683 it as BUILT_IN_ABS.
17684 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
17685 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
17687 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
17689 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
17691 (pre_gcse): Likewise.
17692 (hoist_expr_reaches_here_p): Likewise.
17693 (hoist_code): Likewise.
17694 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
17696 (pre_expr_reaches_here_p_work): ... here.
17697 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
17699 (expr_reaches_here_p_work): ... here.
17701 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
17703 * resource.c (find_basic_block): Delete.
17704 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
17705 (init_resource_info): Call compute_bb_for_insn.
17707 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
17709 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
17710 with already adjacent blocks, but no fallthru.
17711 (merge_blocks_move_successor_nojumps): Simplify.
17712 (debug_flow_info): New.
17714 * toplev.c (rest_of_compilation): Open jump1 dump file before
17715 jump and close after, as opposed to just using dump_rtl.
17717 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17719 * reload.h (earlyclobber_operand_p): Declare.
17720 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
17721 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17722 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
17723 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
17725 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
17726 Richard Henderson <rth@cygnus.com>
17728 * emit-rtl.c (emit_block_insn_before): New.
17729 (emit_block_insn_after): New.
17730 * basic-block.h: Declare them.
17732 * bitmap.h: Protect from multiple inclusion.
17734 * recog.c (scratch_operand): Handle VOIDmode correctly.
17736 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
17738 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
17739 * function.c (assign_parms): Likewise.
17740 * global.c (global_conflicts): Clarify STACK_REGS commentary.
17742 * reg-stack.c (max_uid): Remove.
17743 (blocks, block_begin, block_end, block_drops_in): Remove.
17744 (block_stack_in, block_out_reg_set, block_number): Remove.
17745 (struct block_info_def, BLOCK_INFO): New.
17746 (enum emit_where): New.
17747 (current_block): New.
17748 (BLOCK_NUM): Remove.
17749 (mark_regs_pat, record_label_references): Remove.
17750 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
17752 (goto_block_pat, print_blocks, dump_stack_info): Remove.
17753 (reg_to_stack): Simplified test for existance of fp code. Use
17754 flow.c code. Call shorten_branches after cross-jump opt.
17755 (check_asm_stack_operands): Renamed from record_asm_reg_life.
17756 Return false if the asm doesn't use stack regs. Don't do life
17757 analysis on the asm.
17758 (emit_pop_insn): Replace function pointer arg `when' with
17759 enum `where'. Update all callers.
17760 (change_stack): Likewise. Update basic block end.
17761 (emit_swap_insn): Use current_block->head to limit reverse search
17762 for start of block. Use emit_block_insn_after.
17763 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
17764 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
17765 structure assignment instead of bcopy.
17766 (print_stack): New.
17767 (convert_regs_entry, convert_regs_exit): New.
17768 (convert_regs_1, convert_regs_2): Split out from convert_regs.
17769 Work on basic blocks and the CFG.
17770 (convert_regs): Use them.
17772 * i386.c (output_fix_trunc): Remove code for DImode input operand
17773 not at top-of-stack.
17774 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
17776 (fix_truncdi_1): Allow any mode scratch.
17778 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
17780 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
17781 * linux.h, netbsd.h, vms.h: Not here.
17783 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
17785 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
17786 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
17787 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
17788 CONDITIONAL_REGISTER_USEAGE): Use them.
17789 * config/mips/mips.c (mips_move_1word,mips_move_2words,
17790 gen_conditional_branch,override_options) : Use them.
17791 * config/mips/mips.md : Use them.
17793 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
17795 * i386.md (zero_extendqihi2): Use SImode register name with andl.
17797 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
17799 * integrate.c (function_cannot_inline_p): Don't allow inlining
17802 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17804 * c-parse.in (cast_expr): Constify.
17806 * cccp.c (special_symbol): Likewise.
17808 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
17810 * dwarf2out.c (base_type_die): Likewise.
17812 * global.c (allocno_compare): Likewise.
17814 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
17816 * regclass.c (fix_register): Likewise.
17818 * rtl.h (fix_register): Likewise.
17820 * stupid.c (stupid_reg_compare): Likewise.
17822 * toplev.c (decode_f_option): Likewise.
17824 * tree.c (build_complex_type): Likewise.
17826 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
17828 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
17830 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17832 * reload.c (find_reloads): Compute mode and nregs fields of all
17834 * reload1.c (calculate_needs_all_insns): Simplify a bit.
17835 (calculate_needs): Use precomputed mode/nregs values.
17836 (allocate_reload_reg): Likewise.
17838 (failed_reload, set_reload_reg): ... new functions.
17839 (choose_reload_regs_init): New function, mostly broken out from...
17840 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
17841 Also lose one #if 0 block.
17843 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
17845 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
17848 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
17850 * tree.h (BLOCK_TYPE_TAGS): Remove.
17851 (BLOCK_END_NOTE): Likewise.
17852 (BLOCK_LIVE_RANGE_FLAG): Likewise.
17853 (BLOCK_LIVE_RANGE_START): Likewise.
17854 (BLOCK_LIVE_RANGE_END): Likewise.
17855 (tree_block): Remove live_range_flag, live_range_var_flag, and
17856 type_tags. Remove end_note, live_range_start, and live_range_end.
17857 (remember_end_note): Remove prototype.
17858 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
17859 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
17861 * ggc-common.c (ggc_mark_tree_children): Don't mark
17862 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
17863 * integrate.c (adjust_copied_decl_tree): Remove.
17864 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
17865 * stmt.c (last_block_end_note): Remove.
17866 (init_stmt): Don't add a GC root for it.
17867 (expand_fixup): Don't set it.
17868 (remember_end_note): Remove.
17869 (expand_end_bindings): Don't set last_block_end_note.
17871 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17873 * reload1.c (reload_reg_free_for_value_p): Show
17874 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
17877 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
17879 * expmed.c (extract_bit_field): Allow for the case of non-integer
17880 objects that are smaller than a word (like SFmode on a 64-bit
17883 * loop.c (basic_induction_var): A non-integer variable which is
17884 being set by a paradoxical subreg is probably not a biv.
17886 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17888 * prefix.c (translate_name) Check for empty prefix string.
17890 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
17892 * Makefile.in (CPP_CROSS_NAME): New variable.
17893 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
17895 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
17896 names of the files to be uninstalled.
17898 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
17900 * collect2.c (IS_DIR_SEPARATOR): Define.
17901 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
17903 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
17906 * haifa-sched.c (add_dependence): Update the true dependency
17907 cache the first time we add a true dependence to the LOG_LINKS chain.
17909 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
17911 * fold-const.c (fold): Fix comment.
17913 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17915 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
17916 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
17917 dbxout_start_new_source_file, dbxout_source_file,
17918 dbxout_source_line, dbxout_finish, dbxout_type_fields,
17919 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
17921 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
17922 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
17923 (dbxout_block): Initialize variable `blocknum'.
17925 * dbxout.h (dbxout_init, dbxout_finish,
17926 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
17927 dbxout_args, dbxout_source_line): Constify a char*.
17929 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
17930 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
17931 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
17932 low_pc_attribute, high_pc_attribute, body_begin_attribute,
17933 body_end_attribute, comp_dir_attribute, sf_names_attribute,
17934 src_info_attribute, mac_info_attribute, producer_attribute,
17935 lookup_filename, generate_macinfo_entry, fundamental_type_code,
17936 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
17937 dwarfout_undef): Constify a char*.
17938 (add_incomplete_type, retry_incomplete_types): Add prototypes.
17940 * dwarfout.h (dwarfout_define, dwarfout_undef,
17941 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
17943 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
17945 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
17946 (MULTILIB_ISA_DEFAULT): New.
17947 (MULTILIB_DEFAULTS): Use it.
17948 * config/mips/mips.c (): Remove the now unnecessary definition
17949 of MIPS_ISA_DEFAULT.
17950 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
17951 unnecessary definition.
17953 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
17955 * arm.md (pic_load_addr): Add constraints to operand 1.
17957 1999-10-25 Bruce Korb <autogen@linuxbox.com>
17959 * fixinc/genfixes: Provide a means for specifying -D options to
17962 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
17964 * arm.c (arm_override_options): Correct initialization of
17965 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
17966 arm_is_strong, and arm_is_6_or_7.
17968 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
17969 (note_set_pseudo_multiple_uses): New function.
17970 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
17971 if a pseudo set in the loop exit is used elsewhere.
17973 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
17975 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
17977 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
17979 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
17980 a single load-address pattern.
17982 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
17984 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
17985 depending on whether or not line-number notes are present.
17987 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17989 * cccp.c (progname, file_buf, default_include, include_file,
17990 macrodef, definition, hashval, wchar_type, user_label_prefix,
17991 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
17992 expand_to_temp_buffer, is_system_include, base_name,
17993 absolute_filename, read_name_map, open_include_file,
17994 record_control_macro, check_precompiled, check_preconditions,
17995 pcfinclude, pass_thru_directive, create_definition,
17996 check_macro_name, comp_def_part, collect_expansion,
17997 check_assertion, read_token_list, assertion_install,
17998 assertion_lookup, eval_if_expression, conditional_skip,
17999 validate_else, skip_quoted_string, quote_string, macarg1,
18000 error_from_errno, install, lookup, hashf, dump_defn_1,
18001 perror_with_name, pfatal_with_name, main, trigraph_pcp,
18002 check_white_space, rescan, handle_directive, monthnames,
18003 special_symbol, do_include, remap_include_file, write_output,
18004 arglist, do_assert, do_unassert, do_line, do_error, do_once,
18005 do_ident, do_sccs, do_xifdef, skip_if_group,
18006 output_line_directive, macroexpand, macarg, change_newlines,
18007 initialize_builtins, make_definition): Constify a char*.
18009 * pcp.h (stringdef): Likewise.
18011 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
18013 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
18016 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
18017 Richard Henderson <rth@cygnus.com>
18019 * alias.c: Include ggc.h.
18020 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
18021 (record_set): Verify enough room in reg_base_value.
18022 (init_alias_analysis): Allocate reg_base_value with xcalloc.
18023 Register it as a GC root.
18024 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
18025 * Makefile.in (alias.o): Depend on ggc.h.
18027 * unroll.c (unroll_loop): Verify the insn before a barrier
18028 is a JUMP_INSN before checking JUMP_LABEL.
18030 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18032 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
18033 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
18034 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
18035 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
18036 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
18037 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
18039 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18041 * output.h (ctors_section, dtors_section, bss_section): Prototype.
18043 * alpha/alpha-interix.h (text_section): Delete prototype.
18044 * alpha/elf.h (text_section): Likewise.
18045 * arm/linux-elf.h (text_section): Likewise.
18046 * arm/linux-telf.h (text_section): Likewise.
18047 * c4x/c4x.h (text_section): Likewise.
18048 * dsp16xx/dsp16xx.h (bss_section): Likewise.
18049 * elfos.h (text_section): Likewise.
18050 * i386/aix386ng.h (text_section): Likewise.
18051 * i386/i386-interix.h (text_section): Likewise.
18052 * i386/sco5.h (text_section): Likewise.
18053 * i386/svr3gas.h (text_section): Likewise.
18054 * nextstep.h (text_section): Likewise.
18055 * psos.h (text_section): Likewise.
18056 * ptx4.h (text_section): Likewise.
18057 * svr3.h (text_section): Likewise.
18058 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
18060 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18062 * final.c (peephole): Delete prototype.
18064 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
18065 (pre_insert_copies): Remove unused variable `bb'.
18067 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
18070 * output.h (peephole): Add prototype.
18072 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
18074 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
18077 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
18079 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
18080 for inlined declarations.
18082 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
18084 * arm.c (logical_binary_operator): New fucntion.
18085 * arm.h (logical_binary_operator): Declare it.
18086 (PREDICATE_CODES): Handle logical_binary_operator.
18087 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
18088 output constraints. Add appropriate splitters.
18089 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
18090 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
18091 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
18093 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18095 * genoutput.c (struct operand_data): New elt eliminable.
18096 (output_operand_data): Write it.
18097 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
18098 (compare_operands): Take it into account.
18099 * recog.h (struct insn_operand_data): New elt eliminable.
18100 * reload1.c (check_eliminable_occurrences, elimination_effects): New
18102 (old_asm_operands_vec, new_asm_operands_vec): Delete.
18103 (eliminate_regs): Move code that detects changes to elimination
18104 target regs into new function elimination_effects.
18105 Delete one #if 0 block.
18106 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
18107 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
18108 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
18109 Only call eliminate_regs for real operands of the insn, not for parts
18110 of its structure or parts matched by things like match_operator.
18111 Use elimination_effects and check_eliminable_occurrences. Use
18112 copy_insn to duplicate the pattern when not in the final pass.
18114 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
18116 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
18119 1999-10-22 Bruce Korb <autogen@linuxbox.com>
18121 * fixinc/README: document the "mach" machine matching test
18122 * fixinc/fixfixes.c: Implement the #else/#endif label fix
18123 * fixinc/fixtests.c: Implement the #else/#endif label test
18124 * fixinc/inclhack.def: utilize these tests and fixes
18125 * fixinc/inclhack.sh: regen
18126 * fixinc/fixincl.x: regen
18127 * fixinc/fixincl.sh: regen
18129 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
18131 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
18134 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
18136 * gcc.1: Document exit codes.
18138 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18140 * calls.c: Include tm_p.h later, so everything we need is defined.
18141 * expr.c: Likewise.
18142 * function.c: Likewise.
18144 * except.c: Include tm_p.h.
18146 * sparc.c: Likewise.
18147 (dwarf2out_cfi_label): Don't prototype.
18148 (check_return_regs, epilogue_renumber,
18149 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
18150 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
18151 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
18152 ultra_schedule_insn): Add static prototype.
18153 (data_segment_operand, text_segment_operand): Call itself with the
18154 proper number of arguments.
18155 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
18157 * sparc.h: Move all declarations to sparc-protos.h.
18158 (SELECT_RTX_SECTION): Pass a missing MODE argument to
18161 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
18163 * config/svr4.h (text_section, ctors_section, dtors_section): Add
18165 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
18166 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
18167 ASM_OUTPUT_ASCII): Constify a char*.
18169 * sparc-protos.h: New file for sparc prototypes.
18171 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18173 * function.c (record_insns, contains): Always declare and define.
18174 (record_insns): Mark with ATTRIBUTE_UNUSED.
18176 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18178 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
18179 to .section when outputting a .bss section to deal with multiple
18180 .bss input sections (as happens with -fdata-sections)
18181 Also output %progbits, not @progbits so the assembler doesn't treat as
18183 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
18185 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
18186 thumb parts even when building with non-thumb CPUs, by forcing
18189 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
18191 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
18192 (movdf_const_intreg_sp64): Similarly.
18194 * local-alloc.c (update_equiv_regs): Check the correct insn
18195 for pre-existing REG_EQUIV notes.
18197 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
18199 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
18200 block reached by a branch if we're not going to actually process
18203 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
18205 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
18206 a local extern function declaration.
18208 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
18210 * i386.c (ix86_expand_prologue): Properly wrap USE around
18211 reg for CALL_INSN_FUNCTION_USAGE.
18213 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
18215 * config/mips/mips.md (movdf_internal1a): Allow floating-point
18216 move between GP_REGs.
18218 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
18220 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
18221 the mode size when finding out if an offset is legal.
18223 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
18225 * basic-block.h (PROP_*): Move constants from ...
18226 * flow.c: ... here.
18227 (compute_bb_for_insn): Free the array before reallocating.
18228 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
18229 (allocate_reg_life_data): Reset all reg variables collected by
18231 (get_block_head_tail): Don't convert from bb to block.
18232 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
18233 (find_insn_reg_weight): Take block not bb.
18234 (schedule_block): Don't set block num for moved insns.
18235 (schedule_region): Don't update_life_info or find_insn_reg_weight.
18236 (schedule_insns): Do it here instead.
18237 * combine.c (combine_instructions): Invoke compute_bb_for_insn
18238 before update_life_info.
18239 * recog.c (split_all_insns, peephole2_optimize): Update for
18240 new arg to update_life_info.
18241 * rtlanal.c (remove_note): Cope with NULL note.
18242 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
18245 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
18247 * jump.c (jump_optimize_1): More accurately detect casesi insns.
18249 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
18250 block records so that merge_blocks_nomove will clean up correctly.
18251 (split_edge): Handle casesi insns.
18253 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
18255 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
18257 * pa.md (call, call_value): Do not emit a blockage after restoring
18260 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
18262 * c-typeck.c (c_expand_asm_operands): Fix typo.
18264 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18266 * arm.c (fpu_rhs_operand): Verify modes.
18267 (fpu_add_operand): Likewise.
18268 (di_operand): Likewise.
18269 (soft_df_operand): Likewise.
18271 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
18273 * arm.c (arm_return_in_memory): APCS rules state that the elements
18274 of a structure returned in a register must be 'integer-like'.
18276 1999-10-19 Bruce Korb <autogen@linuxbox.com>
18278 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
18279 in the source tree when the generated targets are out of date
18280 * fixinc/genfixes: Alter it to run individual fixes for make.
18281 * fixinc/README: rewrite
18282 * fixinc/inclhack.def: moved initial comments to README
18284 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
18286 * toplev.c (main): Do not generate an error message if an
18287 unrecognised command line switch is recognisable by another
18288 language. If extra_warnings are enabled, then generate a
18289 warning message instead.
18291 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
18293 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
18294 (insert_pack_attributes): Delete prototype.
18296 * c-pragma.c (default_alignment): New static variable.
18297 (push_alignment): Initialize to current effective alignment.
18298 (pop_alignment): Use to set new alignment.
18299 (insert_pack_attributes): Delete function.
18300 (handle_pragma_token): Set default_alignment as well each time
18301 a #pragma pack(<n>) is encountered.
18303 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
18305 * reg-stack.c (stack_result): Aggregates are not returned in
18308 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18310 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
18312 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
18314 * basic-block.h (set_block_num): Declare.
18315 * flow.c (update_life_info): Don't call compute_bb_for_insn
18316 or free_basic_block_vars.
18317 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
18318 (insn_orig_block): Remove.
18319 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
18320 (schedule_block): Keep BLOCK_NUM up-to-date.
18321 (schedule_insns): Use compute_bb_for_insn.
18322 * recog.c (split_all_insns): Likewise.
18323 (peephole2_optimize): Likewise.
18325 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
18327 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
18328 if the pic register is used.
18330 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18332 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
18333 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
18334 if that tests TREE_PERMANENT.
18336 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
18338 * cse.c (invalidate_for_call): Do not remove memory references from
18339 the table here. It's handled elsewhere.
18341 * haifa-sched.c (add_dependence): Protect references to the
18342 true dependency cache with #ifdef INSN_SCHEDULING.
18343 (remove_dependence): Similarly.
18345 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
18346 to the cfg code that this is a return instruction.
18347 * mn10300.md (return_internal): Similarly.
18349 * combine.c (get_last_value): If the last set of a register
18350 is after subst_low_cuid, then we can not use it to determine
18351 the register's last value.
18353 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18355 * Makefile.in: Back out previous change.
18357 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
18359 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
18361 * haifa-sched.c (add_dependence): Only check/update the cache
18363 (remove_dependence): Likewise.
18364 (schedule_insns): Only create the true_dependency_cache if the
18365 average number of instructions in a basic block is very large.
18367 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18369 * Makefile.in (ggc-common.o): Depend on genrtl.h.
18370 (ggc-simple.o): Likewise.
18371 (ggc-page.o): Likewise.
18373 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
18375 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
18376 Prototype for exported functions.
18377 (pre_lcm, pre_rev_lcm): Remove prototypes.
18378 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
18379 (compute_available): Move to lcm.c, and change parameter order.
18380 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
18381 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
18382 (gcse_main): No longer call compute_preds_succs. Rebuild the
18383 set table after reach pre pass.
18384 (pre_insert_map, pre_delete_map, edge_list): New.
18385 (alloc_pre_mem): Allocate edge vectors.
18386 (free_pre_mem): Delete edge vectors.
18387 (compute_pre_data): Call new edge based lcm routines.
18388 (process_insert_insn): New function.
18389 (insert_insn_end_bb): Use it.
18390 (pre_edge_insert): New function.
18391 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
18393 (pre_insert_copies): Revamp using new edge based lcm outputs.
18394 (pre_delete): Likewise.
18395 (one_pre_gcse_pass): Insert & remove fake edges to the exit
18397 (compute_code_hoist_vbeinout): New new edge based routines.
18398 * lcm.c: Remove all the old LCM functions. Replace with new ones
18399 that work with the new cfg datastructures and work with edges
18402 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18404 * reload.h (struct reload): Add new fields "mode" and "nregs".
18405 * reload1.c: Change all occurrences of reload_mode and reload_nregs
18406 to reference the "mode" and "nregs" field within struct reload.
18408 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
18410 * haifa-sched.c (true_dependency_cache): New.
18411 (add_dependence): Use the true dependency cache to avoid expensive
18412 walks down the LOG_LINKS dependency list. Add entries to the
18413 cache as necessary.
18414 (remove_dependence): Remove entries from the true dependency cache
18416 (schedule_insns): Allocate and initialize and free the true
18419 * haifa-sched.c (schedule_insns): Do not remove inter-block
18420 dependencies anymore.
18422 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
18424 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
18425 * i386/t-winnt: Likewise.
18427 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
18429 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
18431 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
18433 * Makefile.in (LANGUAGES): Omit "proto".
18434 (clean): Remove stale comment about removing unprotoize.c.
18436 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18438 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
18439 using arithmetic on void pointers.
18441 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
18443 * haifa-sched.c (compute_block_forward_dependencies): Only check
18444 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
18446 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
18448 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
18449 (expr_equiv_p): Reject memories with different alias sets.
18451 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
18453 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
18454 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
18455 (f_options): Add "bounded-pointers" and "bounds-check" entries.
18456 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
18457 (lang_init): Set default for flag_bounds_check if still "unspecified".
18459 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18461 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
18463 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18465 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
18468 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18470 * config/c4x/c4x.md (*db_noclobber,
18471 *decrement_and_branch_until_zero_noclobber): New patterns and
18472 associated splitters.
18474 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18476 * config/c4x/c4x.md (parallel instruction patterns): Rework
18477 constraints to keep reload happy.
18479 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18481 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
18482 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
18483 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
18484 Add new patterns and associated post-reload splitters.
18486 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18488 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
18490 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18492 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
18494 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
18496 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18498 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
18501 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
18503 * pa.c (move_operand): Rely on memory_address_p to determine the
18504 validity of non-indexed memory addresses.
18505 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
18506 operand in DFmode and SFmode when generating PA2.0 code.
18508 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
18510 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
18512 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
18514 * mips.c (function_prologue): Fix argument types.
18515 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
18516 (casesi_internal): Write to the scratch register.
18518 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
18520 * cppexp.c (cpp_parse_escape): Make static. Change second arg
18522 (parse_charconst): Delete unnecessary cast when calling
18524 (cpplib.h): Kill prototype of cpp_parse_escape.
18526 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
18528 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
18529 * unroll.c (unroll_loop): Cast return value of alloca.
18530 * i370/i370.c: Include function.h and toplev.h.
18531 (i370_label_scan): Remove c++ commented abort.
18532 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
18533 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
18534 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
18535 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
18537 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
18539 * config/t-freebsd: Do not override USER_H.
18540 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
18542 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
18543 Mumit Khan <khan@xraylith.wisc.edu>
18545 * c-parse.in (component_decl): Support anonymous struct/union.
18547 * c-parse.y: Regenerate.
18548 * c-parse.c: Likewise.
18549 * objc/objc-parse.y: Likewise.
18550 * objc/objc-parse.c: Likewise.
18551 * c-decl.c (finish_struct): Don't sort the fields.
18552 (field_decl_cmp): Delete unused function.
18554 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
18556 * sparc.md (movsf_const_intreg): Revert last constraint change.
18557 (movdf_const_intreg_sp32): Likewise.
18559 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
18561 * cse.c: Include hashtab.h instead of splay-tree.h
18562 (struct cse_reg_info): No longer use variant union. Add new
18563 field "regno". All references changed to avoid union.
18564 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
18565 (free_cse_reg_info): Remove.
18566 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
18567 (get_cse_reg_info): Revamp to use expandable hash tables instead
18568 of splay trees. Initialize new fields in cse_reg_info structure.
18569 (new_basic_block): Similarly.
18571 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
18573 * genrecog.c (message_with_line): Prototype.
18574 (validate_pattern): Pass along the set for the dest, not a flag.
18575 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
18576 Check for PC/CC0 as sources.
18577 (nodes_identical): Check for children position match before
18578 allowing the combination.
18580 * rtl.c (read_rtx): Track line number across \\\n.
18582 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
18584 * mips.h (SPECIAL_MODE_PREDICATES): New.
18585 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
18586 (movdi+1, movsi+1): Add output reload constraint.
18587 (casesi_internal): Likewise. Fix commentary.
18588 (return_internal): Use pmode_register_operand.
18590 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
18592 * 1750a.md (movstrqi): Add missing output reload constraint.
18593 (call_value): Likewise.
18594 * a29k.md (cpxxx patterns): Add missing match_operator mode.
18595 (jmpfdec): Add missing inout reload constraint.
18596 * elxsi.md (addsi patterns): Add missing output reload constraint.
18597 (move from sp): Use @ alternates.
18598 (call_value): No constraint on output.
18599 * fr30.md (movsi_pop): Add missing output reload constraint.
18600 (movsf_constant_store): Likewise.
18601 (splits): Remove constraints.
18602 (subsi3): Add missing mode.
18603 * i370.md (cmpstrsi+1): Add missing output reload constraint.
18604 (call_value): Likewise.
18605 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
18606 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
18607 * m32r.md (movsicc_internal): Add output reload constraint.
18608 (movstrsi_internal): Add inout reload constraints.
18609 * m88k.h (reg_names): Don't declare.
18610 (SPECIAL_MODE_PREDICATES): New.
18611 * m88k.md (*): Use register_operand not reg_or_0_operand
18613 * mn10200.h (PREDICATE_CODES): New.
18614 * ns32k.md (ffs pattern): Add output reload constraint.
18615 * pdp11.md (sob pattern): Add inout reload constraint.
18616 * sh.md (splits): Remove constraints.
18617 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
18618 * v850.md (pattern_is_ok_for_epilogue): Likewise.
18619 * vax.md (jgequ pattern): Add inout reload constraint.
18621 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
18623 * configure.in (djgpp): Revert previous patch.
18624 * configure: Rebuit.
18625 * config/i386/djgpp.h: Revert previous patch.
18627 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
18629 * fixinc/inclhack.def: Restore patch lost during last merge of
18630 "no_bogosity" branch.
18631 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
18633 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
18635 * fixincludes: Add a HPUX 11 fix for inttypes.h.
18636 * fixinc/inclhack.def: Same.
18637 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
18639 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
18641 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
18642 as the base of a PLUS.
18644 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18646 * config/c4x/c4x.md: Define mode for remaining unspec operators.
18647 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
18649 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
18651 * pa.md (post_stw+1): Use pmode_register_operand.
18652 (dcacheflush, icacheflush): Likewise.
18654 * i386.md (movstricthi_1): Allow r/r.
18656 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
18658 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
18659 to (not (and (arg0) (arg1))). Similary for and.
18661 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
18662 fallthrough to associate code.
18663 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
18666 * combine.c (simplify_logical): Convert XOR to IOR if operands have
18667 no bits in common; remove XOR to ROTATE conversion.
18669 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18671 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
18673 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18675 * config/c4x/c4x.c (dst_operand): New.
18676 (PREDICATE_CODES): Update.
18677 * config/c4x/c4x.h (dst_operand): Declare it.
18678 * config/c4x/c4x.md: Define mode for each unspec usage.
18679 (move patterns): Use dst_operand predicate instead of src_operand.
18680 (movqi_update, movqf_update): Delete.
18682 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
18684 * recog.c (pmode_register_operand): New.
18685 * recog.h: Declare it.
18686 * genrecog.c (pred_codes): Likewise.
18687 (special_mode_pred_table): Likewise.
18688 (validate_pattern): Don't warn no mode for address_operand.
18690 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
18691 if the operand is not insn-like.
18693 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
18694 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
18696 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
18698 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
18700 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
18701 instead of general_operand in a SET_DEST. Use const_double_operand
18702 instead of an explicit test against CONST_DOUBLE.
18703 (movsf_const_lo): Add missing register mode.
18704 (goto_handler_and_restore): Add auxiliary test for Pmode.
18705 (flush): Adjust to use address_operand.
18706 (return_sf_no_fpu): Add missing output constraint.
18708 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
18710 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
18711 for call return value.
18712 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
18714 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
18716 * toplev.c (main): Only warn about options for other languages.
18717 * collect2.c (main): Pass -w to sub-gcc.
18719 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
18721 * flow.c (propagate_block): Add call-clobbered registers to
18724 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
18725 zapping mem_set_list.
18726 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
18727 (mark_set_1, mark_used_regs): Likewise.
18729 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
18731 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
18733 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
18735 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
18736 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
18737 options. Also add a new item "C-only Warning Options" to the
18740 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
18742 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
18743 from multiple calls.
18745 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
18747 * i386.md (call value patterns): Move to the end of the file.
18748 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
18750 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
18752 * configure.in (djgpp configuration): Define extra_objects..
18753 * configure: Rebuilt.
18754 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
18755 (DTORS_SECTION_ASM_OP): Define.
18756 (INIT_SECTION_ASM_OP): Define.
18757 (FINI_SECTION_ASM_OP): Define.
18758 (DATA_SECTION_ASM_OP): Define.
18759 (TEXT_SECTION_ASM_OP): Define.
18760 (EH_FRAME_SECTION_ASM_OP): Define.
18761 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
18762 (STARTFILE_SPEC): Add crtbegin.o.
18763 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
18764 to here from LINK_COMMAND_SPEC.
18765 (DO_GLOBAL_CTORS_BODY): Define.
18766 (CRTSTUFF_USE_FINI_SECTION): Define
18767 (HAS_INIT_SECTION): Delete.
18769 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
18771 * Makefile.in (all.cross): Depend on xcpp$(exeext).
18773 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
18775 * pa.h (PREDICATE_CODES): New.
18777 * genrecog.c (validate_pattern): Condense the destination
18778 non-lvalue message.
18780 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
18782 * alpha.md (call-1): Supply missing mode for operator.
18783 (*): Add missing output reload constraints. Remove constraints
18784 from define_splits.
18786 * i386.h (SPECIAL_MODE_PREDICATES): New.
18787 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
18788 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
18789 (addsi_lea_3): Add missing mode for op 3.
18790 (prologue_set_got, prologue_get_pc): Add missing modes.
18791 (*) Add missing output reload constraints.
18793 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
18795 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
18796 check for member bit-size overflow and use var_size if it occurs.
18797 (layout_record): Use bitsize_int() to define the type size in bits.
18798 Likewise for computation and assignment to DECL_FIELD_BITPOS.
18799 (layout_decl): Likewise when assigning to DECL_SIZE.
18801 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
18803 * genrecog.c (validate_pattern): Typo last change. Verify
18804 that output operands have output reloads.
18806 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
18808 * genrecog.c (special_mode_pred_table): New.
18809 (NUM_SPECIAL_MODE_PREDS): New.
18810 (find_operand): New.
18811 (validate_pattern): New argument `insn'. Warn for assignment to
18812 any predicate accepting non-lvalues. Conditionaly warn for
18813 match_operand without a mode. Try much harder to match source
18814 and destination modes on a set.
18815 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
18817 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
18819 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
18821 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
18823 * combine.c (simplify_logical): Recognize xor pattern that encodes
18826 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18828 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
18831 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
18833 * ggc-page.c (MAP_FAILED): Provide default.
18835 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
18837 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
18838 * sparc.h (PREDICATE_CODES): Update.
18840 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
18842 * alpha.c (some_ni_operand): New.
18843 * alpha-protos.h: Declare it.
18844 * alpha.h (PREDICATE_CODES): Update.
18845 * alpha.md (sXaddq reload insns): Use some_ni_operand
18846 for SET_DEST instead of some_operand.
18848 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
18849 Jim Wilson <wilson@cygnus.com>
18851 * genrecog.c (maybe_both_true_2): Don't compare modes of
18853 (process_tree): Elide peephole2_insns. Invoke simplify_tests
18854 after find_afterward.
18855 (debug_decision_1): Dump next and afterward codes.
18857 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
18859 * rtl.c (dump_and_abort): Remove.
18860 (fatal_with_file_and_line): New.
18861 (fatal_expected_char): New.
18862 (read_rtx_lineno, read_rtx_filename): New.
18863 (read_skip_spaces): Track line number.
18864 (read_name): Use fatal_with_file_and_line.
18865 (read_rtx): Use fatal_expected_char. Track line number.
18866 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
18868 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
18869 if it isn't a CODE_LABEL.
18871 * genattr.c (main): Set read_rtx_filename.
18872 * genattrtab.c (main): Likewise.
18873 * gencodes.c (main): Likewise.
18874 * genconfig.c (main): Likewise.
18875 * genemit.c (main): Likewise.
18876 * genextract.c (main): Likewise.
18877 * genflags.c (main): Likewise.
18878 * genopinit.c (main): Likewise.
18879 * genoutput.c (main): Likewise.
18880 * genpeep.c (main): Likewise.
18882 * genrecog.c (decision_test.u.insn): Add `lineno'.
18883 (pattern_lineno, error_count): New variables.
18884 (message_with_line): New.
18885 (add_to_sequence): Break out checking code to ...
18886 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
18887 (merge_insn): Use message_with_line.
18888 (make_insn_sequence): Use validate_pattern. Record insn lineno.
18889 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
18891 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18893 * expr.c (store_constructor): Clear union if constructor is empty.
18895 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
18897 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
18898 Add !endian checks. Change %{...} to %(...).
18900 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
18902 * i386.md (*addsi3_cc): Renamed from addcsi3.
18903 (*addsi3_carry): Renamed from addxsi3.
18904 (*subsi3_cc): Renamed from subcsi3.
18905 (*subsi3_carry): Renamed from subxsi3.
18906 (*xorqi_cc_1): Renamed from xorcqi_1.
18907 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
18908 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
18910 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
18912 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
18913 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
18915 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
18917 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
18918 climb up the chain of insns.
18920 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
18922 * genrecog.c (write_subroutine): Careful for null trees.
18923 (process_tree): Don't elide empty functions.
18925 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
18927 * Makefile.in (genrtl.o): Depend on ggc.h.
18928 * configure.in (valloc): Probe for it.
18929 (with-gc): Use ggc-page if valloc present.
18930 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
18931 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
18932 (ggc_alloc_string): Moved from ggc-page.c.
18933 * ggc-none.c (ggc_alloc_obj): New.
18934 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
18935 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
18936 (struct globals): Likewise for dev_zero_fd.
18937 (init_ggc): Likewise for it's initialization.
18938 (ggc_allocated_p): Move careful dereference from ...
18939 (ggc_lookup_page_table): ... here. Delete.
18940 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
18941 (alloc_anon): Use valloc if no mmap.
18942 (release_pages): Use free if using valloc.
18943 (ggc_alloc_obj): Renamed from alloc_obj.
18944 (ggc_set_mark): Renamed from mark_obj.
18945 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
18946 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
18947 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
18948 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
18949 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
18950 (ggc_collect): Use fp printing instead of our own rounding.
18951 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
18952 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
18953 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
18954 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
18955 (struct ggc_string, struct ggc_any): Delete.
18956 (offsetof): Provide default definition.
18957 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
18959 (struct ggc_mem): New, from corpse of ggc_any.
18960 (struct ggc_status): Delete.
18961 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
18962 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
18963 (n_strings_collected, n_anys_collected): Delete.
18964 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
18965 (ggc_alloc_string, ggc_alloc): Delete.
18966 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
18967 (ggc_free_string, ggc_free_any): Delete.
18968 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
18969 (ggc_compare_addresses, ggc_mark_string): Delete.
18970 (ggc_mark_string_if_gcable, ggc_mark): Delete.
18971 (search_data): Delete.
18972 (struct globals): New.
18973 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
18974 (tree_insert, tree_lookup): New.
18975 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
18976 (clear_marks, sweep_objs): New.
18977 (ggc_collect): Gut. Use clear_marks, sweep_objs.
18978 (init_ggc): Set allocated_last_gc.
18979 (ggc_push_context): Gut. Use G.context.
18980 (ggc_pop_context): Likewise.
18981 (ggc_pop_context_1): New.
18982 (debug_ggc_tree): New.
18983 (debug_ggc_balance, tally_leaves): New.
18984 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
18985 (ggc_mark_string_if_gcable): Remove decl.
18986 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
18987 (ggc_mark_rtvec_children): New.
18988 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
18989 (ggc_mark_if_gcable): New decl.
18990 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
18991 (ggc_alloc_tree, ggc_alloc): Likewise.
18992 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
18993 (ggc_alloc_obj): New decl.
18994 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
18995 (ggc_alloc_tree, ggc_alloc): Likewise.
18996 (ggc_set_mark): New decl.
18997 * rtl.h (struct rtx_def): Remove gc_mark.
18998 (struct rtvec_def): Likewise.
18999 * tree.h (struct tree_common): Likewise.
19001 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
19003 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
19004 float_format and thread_file definitions.
19005 * configure: Rebuilt.
19007 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
19009 * extend.texi (Function Names): Document types of function names.
19011 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19013 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
19014 an earlyclobbered output conflict with RELOAD_INPUT reloads.
19016 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19018 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
19020 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19022 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
19024 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
19026 * collect2.c (main): Do prelimnary link on AIX if rflag.
19028 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19030 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
19031 __CTOR_LIST__ in opposite order, which is the correct order for sorted
19033 (__do_global_dtors): similarly for __DTOR_LIST__.
19035 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19036 Diego Novillo <dnovillo@cygnus.com>
19038 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
19041 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
19043 * fixincl/*: Merged "no_bogosity" branch
19044 * fixincl/fixlib.h: protect against doubly defining t_bool
19045 * fixincl/server.h: protect against doubly defining t_bool
19047 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
19049 * genoutput.c: Include toplev.h.
19051 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
19053 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
19055 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
19056 * configure: Regenerate.
19058 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19060 * gcse.c (delete_null_pointer_checks): Returns void.
19062 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19064 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
19065 * emit-rtl.c (copy_insn_1): Likewise.
19067 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19069 * config/mips/mips.c (mips_build_va_list): Correct
19070 TREE_CHAIN setting when hard-float.
19071 (mips_va_start): Use corrected setting.
19072 (mips_va_arg): Likewise. Also pass a tree to build of
19073 POSTINCREMENT_EXPR rather than a naked 'int'.
19075 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
19077 * ggc.h (ggc_push_context): Fix comment.
19078 (ggc_pop_context): Likewise.
19079 (mark_string_if_gcable): Likewise.
19080 * ggc-common.c (ggc_mark_rtx_children): Use
19081 ggc_mark_string_if_gcable.
19082 * ggc-page.c (ggc_lookup_page_table): New function.
19083 (ggc_allocated_p): Likewise.
19084 (mark_obj): Fix formatting.
19085 (ggc_mark_string_if_gcable): New function.
19086 * ggc-simple.c (ggc_allocated_strings): New variable.
19087 (ggc_strings_used): Likewise.
19088 (ggc_compare_addresses): New function.
19089 (ggc_pop_context): Pop the `any' memory too.
19090 (ggc_mark_string_if_gcable): New function.
19091 (ggc_collect): Initialize and tear down ggc_allocated_strings.
19093 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
19095 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
19096 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
19097 * rs6000.c (expand_block_move): Match movstrsi_?reg register
19100 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
19102 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
19103 (sched_reg_live_length, sched_reg_basic_block): Delete.
19104 (current_block_num, bb_live_regs, old_live_regs): Delete.
19105 (dead_notes, struct sometimes): Delete.
19106 (sched_note_set, birthing_insn_p): Delete.
19107 (adjust_priority): Gut useless reg lifetime code.
19108 (create_reg_dead_note, attach_deaths): Delete.
19109 (attach_deaths_insn, new_sometimes_live): Delete.
19110 (finish_sometimes_live): Delete.
19111 (find_pre_sched_live, find_post_sched_live): Delete.
19112 (update_reg_usage): Delete.
19113 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
19114 (schedule_insns): Delete reg lifetime code.
19115 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
19116 (unlink_other_notes): Adjust REG_NOTE commentary.
19117 (reemit_notes): Use REG_SAVE_NOTE.
19118 (schedule_block): Likewise.
19119 (schedule_region): Allocate bitmap of blocks in region. Use
19120 count_or_remove_death_notes. Use update_life_info.
19122 * rtl.h (REG_SAVE_NOTE): New.
19123 * rtl.c (reg_note_name): Update.
19125 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
19127 * combine.c (refresh_blocks, need_refresh): New.
19128 (combine_instructions): Allocate refresh_blocks. Invoke
19129 update_life_info if needed.
19130 (distribute_notes): Mark refresh_blocks instead of installing
19132 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
19133 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
19135 * Makefile.in (recog.o): Depend on basic-block.h.
19137 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
19139 * genrecog.c (add_to_sequence): Thinko last change: delete
19140 shadowing allow_const_int variable.
19142 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19144 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
19145 __GNUC__ and __GNUC_MINOR__.
19147 * gansidecl.h: Likewise.
19153 * toplev.h: Likewise.
19155 * tree.c: Likewise.
19157 * tree.h: Likewise.
19159 * varray.c: Likewise.
19161 * varray.h: Likewise.
19163 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19165 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
19166 use one before a jump table.
19168 * rtl.def (ADDRESS): Change documentation to match reality.
19169 * md.texi: Don't document it.
19170 * gmicro.md (load address pattern): Use 'p' constraint, delete use
19173 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
19175 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
19177 * genrecog.c (add_to_sequence): Move allow_const_int test outside
19178 known predicate block; default allow_const_int true.
19179 (debug_decision_list): New.
19181 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
19183 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
19185 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
19187 * gcse.c (gcse_main): Avoid global optimizations if we have a
19188 large number of basic blocks and the ratio of edges to blocks
19190 (delete_null_pointer_checks): Likewise.
19192 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
19194 * c-common.c (check_format_info): Warn if format string isn't a
19197 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19199 * configure.in (arm*-*-*): Don't let autoconf remove brackets
19200 * configure: regenerate
19202 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
19204 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
19205 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
19206 (peepholes): Re-enable.
19208 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
19210 * Makefile.in (flow.o): Depend on TREE_H.
19211 * basic-block.h (REG_SET_EQUAL_P): New.
19212 (XOR_REG_SET): New.
19213 (n_edges): Declare.
19214 (free_regset_vector): Remove declaration.
19215 (flow_delete_insn_chain): Declare.
19216 (enum update_life_extent): New.
19217 (update_life_info, count_or_remove_death_notes): Declare.
19218 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
19219 Verify register live at bb->global_live_at_start before adding USE.
19220 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
19221 (CLEAN_ALLOCA): New.
19223 (PROP_*): New flags.
19224 (find_basic_blocks_1): Use alloc_EXPR_LIST.
19225 (clear_edges): Zero n_edges.
19226 (make_edge): Increment n_edges.
19227 (split_edge): Don't allocate bb->local_set. Increment n_edges.
19228 (flow_delete_insn_chain): Export.
19229 (delete_block): Decrement n_edges.
19230 (merge_blocks_nomove): Likewise.
19231 (life_analysis): Give life_analysis_1 PROP flags.
19232 (verify_wide_reg_1, verify_wide_reg): New.
19233 (verify_local_live_at_start): New.
19234 (update_life_info): Rewrite to call into propogate_block.
19236 (mark_regs_live_at_end): After reload, if epilogue as rtl,
19237 always mark stack pointer. Conditionally mark PIC register.
19238 After reload, mark call-saved registers, return regsiters.
19239 (life_analysis_1): Accept PROP flags not remove_dead_code.
19240 Call mark_regs_live_at_end before zeroing regs_ever_live.
19241 Use calculate_global_regs_live. Copy global_live_at_end before
19242 calling final propagate_block. Zero reg_next_use on exit.
19243 (calculate_global_regs_live): New.
19244 (allocate_bb_life_data): Don't allocate bb->local_set.
19245 (init_regset_vector, free_regset_vector): Remove.
19246 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
19247 Test flags before every operation. Warn if prologue/epilogue insn
19248 would have been deleted.
19249 (mark_set_regs, mark_set_1): Accept and use FLAGS.
19250 Use alloc_EXPR_LIST.
19251 (mark_used_regs): Accept and use FLAGS, not FINAL.
19252 Remove special handling for RETURN.
19253 (try_pre_increment): Use alloc_EXPR_LIST.
19254 (dump_flow_info): Dump n_edges.
19255 (unlink_insn_chain, split_hard_reg_notes): Remove.
19256 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
19257 (find_insn_with_note, new_insn_dead_notes): Remove.
19258 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
19259 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
19260 (replace_insns): Remove.
19261 (count_or_remove_death_notes): New.
19262 (verify_flow_info): Abort on error after all checks.
19263 (remove_edge): Decrement n_edges.
19264 (remove_fake_edges): Tweak format.
19265 * haifa-sched.c (schedule_insns): Use split_all_insns.
19266 * output.h (update_life_info): Remove declaration.
19267 * recog.c (split_all_insns): From the corpse of split_block_insns,
19268 do the whole function block by block. Use update_life_info.
19269 (recog_last_allowed_insn): New.
19270 (recog_next_insn): Mind it.
19271 (peephole2_optimize): Set it. Walk backwards through blocks.
19272 Use update_life_info.
19273 * rtl.h (update_flow_info, replace_insns): Remove declarations.
19274 (split_all_insns): Declare.
19275 * toplev.c (rest_of_compilation): Thread prologue before flow2.
19276 Use split_all_insns.
19278 * i386.md (or -1 peep2s): Disable.
19280 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
19282 * config/mips/mips.md (movstrsi+[123]) : Combine these into
19283 a single pattern. Scrap the 'd' versions as unnecessary.
19285 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
19286 tablejump_mips162,tablejump_internal4): The operands to a
19287 label_ref must be VOIDmode.
19289 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19291 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
19293 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19295 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
19297 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19299 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
19300 cache every function if ggc_p.
19302 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19304 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
19305 instead of copy_rtx. Accept sequences that contain asm statements.
19306 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
19307 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
19308 orig_asm_operands_vector, copy_asm_operands_vector,
19309 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
19311 * rtl.h (copy_insn, copy_insn_1): Declare.
19313 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19315 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
19317 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
19318 arguments to `current_file_function_operand'.
19320 * genrecog.c: Include hard-reg-set.h and resource.h in the
19321 generated output file.
19323 * real.c: Include tm_p.h.
19325 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19327 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
19330 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
19332 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
19333 before the fctiwz insn.
19335 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19336 Mark Mitchell <mark@codesourcery.com>
19338 * tree.c (make_lang_type_fn): New funtion pointer.
19339 (make_lang_type): Call it.
19340 * tree.h (make_lang_type): Declare.
19341 (make_lang_type_fn): Likewise.
19342 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
19344 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
19346 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
19347 make sure that HIGH instructions are copied into BASE_REGS.
19349 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
19351 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
19353 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
19355 * c-decl.c (finish_struct): Use simpler method of
19356 removing elements of a singly-linked list.
19358 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
19360 * alpha.md (peephole2's): Comment out peephole2's that generate
19363 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
19365 * genrecog.c (add_to_sequence): Disable mode check for
19368 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19370 * ggc-simple.c (init_ggc): Set empty_string.
19372 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
19374 * configure.in: Detect mmap. Add --with-gc=foo to select
19375 garbage collector; default to page if mmap available.
19376 * Makefile.in (GGC): Substitute.
19378 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
19380 * c-decl.c (ggc_p): Enable.
19382 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19384 * flow.c (verify_flow_info): Make it extern & unconditionally define.
19386 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
19388 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
19389 string for little-endian-data.
19391 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
19393 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
19394 case somebody tries to compile --enable-checking code with gcc
19397 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
19399 * genrecog.c (add_to_sequence): Verify operand to label_ref is
19402 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
19404 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
19405 * jump.c (jump_optimize_1): Document why.
19407 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19409 * collect2.c (scan_prog_file, scan_libraries): Prototype function
19410 pointers and casts for `int_handler' and `quit_handler'.
19412 * flow.c (verify_flow_info, split_hard_reg_notes,
19413 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
19414 remove_edge, remove_fake_successors): Add static prototypes.
19415 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
19416 (mark_set_1): Initialize variable `regno'.
19417 (unlink_insn_chain): Likewise for variable `curr'.
19418 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
19420 * loop.c (strength_reduce): Initialize variable
19421 `unrolled_insn_copies'.
19422 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
19423 prototypes. Change these functions to take const PTR parameters
19424 to avoid prototype conflict when used as the comparson argument
19426 (check_dbra_loop): Initialize variable `comparison_val'.
19428 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
19429 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
19430 (find_valid_class): Initialize variable `best_class'.
19431 (find_reloads): Call memcpy, not bcopy.
19433 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
19434 (hard_reg_use_compare): Don't needlessly cast away const.
19435 (reload_reg_class_lower): Likewise.
19436 (choose_reload_regs): Initialize variable `regno'.
19438 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
19440 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
19442 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
19444 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
19445 ({,d}discard): Add forward declarations. Declare parameter as
19447 (main_without_main): Explicitly declare return type to be int.
19448 (memcpy): Properly declare.
19450 * libgcc2.c (toplevel): If inhibit_libc is defined and not
19451 building the trampoline support, declare malloc, free, and
19453 (__clear_cache): Mark arguments as potentially unused.
19455 * frame.c (toplevel): If inhibit_libc is defined, declare
19458 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
19460 * flow.c (make_edge): Accept an optional 2D bitmap in which
19461 to cache edge existence. Update all callers.
19462 (make_label_edge, make_eh_edge): Pass through the edge cache.
19463 (make_edges): Provide the cache.
19465 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19467 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
19469 (local_mbtowc): Change the type of variable `i' from int to size_t.
19471 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
19472 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
19474 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
19476 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
19477 after other includes that define the appropriate types. Include
19478 tm_p.h for getting user prototypes.
19479 * ggc-callbacks.c (toplevel): Ditto.
19480 * ggc-none.c (toplevel): Ditto.
19481 * gcc-page.c (toplevel): Ditto.
19482 * ggc-simple.c (toplevel): Ditto.
19484 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
19485 Jonathan Larmour <jlarmour@cygnus.co.uk>
19487 * config/mips/mips.c (mips_move_2words): Split doubles if
19488 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
19490 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
19492 * genrecog.c (struct decision_test): New.
19493 (struct decision): Remove test-related members, sort the rest by size.
19494 (IS_SPLIT): Simplify.
19495 (new_decision, new_decision_test): New.
19496 (add_to_sequence): Use them. No special handling for args of
19498 (maybe_both_true): Renamed from not_both_true; return sense changed.
19499 (maybe_both_true_1, maybe_both_true_2): New. Broken out
19500 of maybe_both_true and adjusted for decision_test.
19501 (position_merit): Remove.
19502 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
19503 (merge_accept_insn): New, broken out of merge_trees.
19504 (merge_trees): Use them. No special case for c_test; no node
19505 splitting; use test type instead of position_merit.
19506 (factor_tests): New.
19507 (simplify_tests): New.
19508 (break_out_subroutines): Don't write code now.
19509 (find_afterward): New.
19510 (write_afterward, write_switch, write_cond): New.
19511 (write_action, is_unconditional): New.
19512 (write_node): New. Use them.
19513 (write_tree_1): Rewrite. Use the new functions above.
19514 (write_tree): Remove afterward processing.
19515 (write_subroutine): Simplify function variant emission.
19516 (write_subroutines): New.
19517 (same_codes, clear_codes): Remove.
19518 (same_modes, clear_modes): Remove.
19519 (write_header): New, broken out of main.
19520 (make_insn_sequence): Use new_decision and new_decision_test.
19521 (process_tree): New, broken out of main.
19522 (main): Adjust for merge_trees interface change.
19523 Don't #define operands in the output file.
19524 (record_insn_name): New, broken out of make_insn_sequence.
19525 (debug_decision_2, debug_decision_1, debug_decision_0): New.
19526 (debug_decision): New.
19528 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
19530 * resource.c (find_free_register): Mark class_str argument const.
19531 * resource.h: Update prototype to match.
19533 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
19534 * i386.md: Give all anonymous insns names.
19536 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
19538 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
19541 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
19543 * toplev.c (dbr_sched_time): Unconditional.
19544 (peephole2_time): New.
19545 (compile_file): Add pass numbers to all of the dump file suffixes.
19546 Dump peephole2_time. Don't dump times for non-applicable passes.
19547 (rest_of_compilation): Add pass numbers to dump file suffixes.
19548 Conditionalize calls to the scheduler.
19549 * invoke.texi: Update.
19551 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
19553 * flow.c (make_edges): Fix insn iteration.
19554 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
19555 (find_basic_blocks_1): Fix spelling mistake.
19557 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
19559 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
19560 always have side-effects. Use memset not bzero.
19561 (make_node): Likewise.
19563 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
19565 * stmt.c (expand_anon_union_decl): When any of the elements of the
19566 union is addressable, so is the entire union.
19568 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
19570 * sbitmap.c (sbitmap_ones): Don't set too many bits.
19572 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
19573 * bitmap.c (bitmap_operation): Return true iff TO changed.
19574 (bitmap_equal_p): New.
19575 (bitmap_bit_p): Tidy arithmetic.
19576 (debug_bitmap_file): Likewise.
19578 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
19580 * toplev.c (rest_of_compilation): Turn on cse_not_expected
19581 before cse2 instead of after.
19583 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
19585 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
19588 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19590 * cppinit.c (is_idchar initializer): Loosen tests to accept
19593 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
19595 * mips.md: Define conditional move patterns for floating point
19596 operands and DI mode conditions.
19598 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
19600 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
19601 always have side-effects.
19603 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
19605 * mn10200.c (asm_file_start): Fix typo.
19607 * cppinit.c (is_idchar initializer): Tighten tests for when
19608 to put the table into initialized memory.
19610 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
19611 not an array of rtunion.
19612 * gcc-page.c (ggc_alloc_rtvec): Similarly.
19613 * gcc-simple (ggc_free_rtvec): Similarly.
19615 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
19618 * mbchar.h: Add missing #endif.
19620 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
19621 (FPBIT, DPBIT): Define.
19623 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19625 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
19627 * profile.c (instrument_arcs, output_gcov_string,
19628 tablejump_entry_p): Add static prototypes.
19629 (output_gcov_string): Constify a char*.
19631 * regmove.c (replacement_quality, fixup_match_2): Add static
19634 * resource.h (reg_dead_p): Add extern prototype.
19636 * rtl.c (trim_filename): Add static prototype.
19638 * scan-decls.c (skip_to_closing_brace): Likewise.
19640 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
19641 (expand_end_case): Initialize variable `range'.
19642 (emit_case_nodes): Remove unused prototype `rtx_fn'.
19644 * varasm.c (asm_emit_uninitialised): Add static prototype.
19645 (asm_emit_uninitialised, assemble_variable): Mark parameter with
19648 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19650 * cpplib.c (if_directive_nameo): Add static prototype.
19652 * cse.c (cse_insn): Remove unused variable `p'.
19654 * except.c (create_rethrow_ref, push_entry,
19655 receive_exception_label, new_eh_region_entry, find_func_region,
19656 clear_function_eh_region, process_nestinfo): Add static prototypes.
19657 (get_reg_for_handler): Hide definition.
19658 (process_nestinfo): Initialize variable `extra_handlers'.
19660 * expr.h (expand_builtin_longjmp): Add extern prototype.
19662 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
19664 * function.c (prepare_function_start): Likewise.
19665 (pop_function_context_from): Mark parameter `context' with
19667 (push_temp_slots_for_block, flush_addressof): Hide definition.
19669 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
19670 solve_program_flow_graph, calculate_branch_probs,
19671 function_summary, main, fancy_abort): Add prototypes.
19673 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
19674 (add_hash): Constify a char*.
19676 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
19677 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
19678 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
19680 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
19682 * lists.c (free_list, zap_lists): Likewise.
19684 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19686 * alias.c (nonlocal_reference_p): Add static prototype.
19688 * bitmap.c (bitmap_element_allocate): Prototype args in function
19691 * builtins.c (stabilize_va_list): Add static prototype.
19692 (expand_builtin_va_arg): Constify a char*.
19694 * c-lex.c (getch, put_back, extend_token_buffer_to,
19695 read_line_number, token_getch, token_put_back): Add static
19698 * c-parse.gperf (hash, is_reserved_word): Likewise.
19700 * cccp.c (is_dir_separator): Likewise.
19702 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19704 * graph.h: New file to prototype functions exported by graph.c.
19706 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
19708 * graph.c: Include graph.h.
19710 * toplev.c: Likewise. Remove redundant prototypes.
19712 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
19714 * invoke.texi: Removed duplicated description for -Q.
19716 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
19718 * extend.texi: Grammar fix in __extension__ text.
19720 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
19722 * md.texi (define_peephole2): New section.
19724 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
19726 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
19727 (mov $-1 to or peepholer): Enable for pentium when optimizing for
19730 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
19732 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
19734 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
19736 * i386.md (ffs expander): Emit Pentium friendly code for
19739 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
19741 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
19743 (build1): Likewise.
19745 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19747 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
19749 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
19751 * config/m68k/m68k.c (use_return_insn): Return false if the pic
19752 register is in use.
19754 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19756 * md.texi (No Constraints): Delete section.
19757 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
19758 * final.c (final_scan_insn): We always have register constraints.
19759 * genattrtab.c: Don't include "insn-config.h".
19760 (write_attr_case): We always have register constraints.
19761 * genconfig.c (register_constraint_flag): Delete.
19762 (walk_insn_part): Don't check whether we have register constraints.
19763 (main): Don't write out "#define REGISTER_CONSTRAINTS".
19764 * genoutput.c (have_constraints): Delete.
19765 (main): Don't set it.
19766 (output_operand_data): We always have constraints.
19767 (scan_operands): Likewise.
19768 (compare_operands): Likewise.
19769 * local-alloc.c (block_alloc): We always have constraints.
19770 (requires_inout): Always compile this function.
19771 * recog.c (extract_insn): We always have constraints.
19772 (constrain_operands, reg_fits_class_p): Always compile these
19774 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
19776 (struct insn_operand_data): Likewise.
19777 * regclass.c (regclass): We always have constraints.
19778 (record_reg_classes, copy_cost, record_address_regs,
19779 auto_inc_dec_reg_p): Always compile these functions.
19780 * regmove.c (regmove_optimize): We always have constraints.
19781 * reload.c (find_reloads): Likewise.
19782 * reload1.c (reload): Likewise.
19783 (reload_cse_simplify_operands): Likewise.
19784 * i860.c (output_delay_insn): Likewise.
19786 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
19788 * iris6.h (BUILD_VA_LIST_TYPE): Define.
19790 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19792 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
19793 for the va_list record.
19795 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
19797 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
19800 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
19802 * alias.c: Include insn-flags.h.
19803 * Makefile.in (alias.o): Update.
19805 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
19807 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
19808 to LTU and GEU. Handle more cases using sbb.
19810 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
19812 * i386.md (truncatexfdf splitters): Do not use subreg.
19813 (fop XFmode patterns): Fix mode in operand testing.
19815 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
19817 * jump.c (jump_optimize_1): Amend last change to test only the
19818 form of the operand, not the insn.
19820 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
19821 not register_operand to determine when B may need preloading.
19823 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
19825 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
19826 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
19827 (call-value patterns): Move to end of file.
19828 (*): Remove mode from label_ref in (pc) context.
19829 (movstrqi): Use memory not general_operand for BLKmode operands.
19830 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
19831 to register_operand operands.
19832 (peep2 patterns): Convert from commented-out peephole patterns.
19834 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19836 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
19837 to BUILT_IN_INIT_DWARF_REG_SIZES.
19838 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
19839 Renamed from BUILT_IN_DWARF_REG_SIZE; call
19840 expand_builtin_init_dwarf_reg_sizes.
19841 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
19842 with __builtin_init_dwarf_reg_size_table.
19843 * dwarf2out.c (struct reg_size_range): Delete.
19844 (expand_builtin_init_dwarf_reg_sizes): New function.
19845 (expand_builtin_dwarf_reg_size): Delete.
19846 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
19847 (expand_builtin_dwarf_reg_size): Don't declare.
19848 * libgcc2.c (dwarf_reg_size_table_initialized): New.
19849 (dwarf_reg_size_table): New.
19850 (init_reg_size_table): New function.
19851 (copy_reg): Use dwarf_reg_size_table.
19852 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
19855 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
19857 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
19858 Correctly build argument list to constructor and destructor functions.
19860 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
19862 * c-tree.h (warn_float_equal): Declare.
19863 * c-decl.c (warn_float_equal): Define.
19864 (c_decode_option): Recognize -W[no-]float-equal.
19865 * c-typeck.c (build_binary_op): Conditionally warn
19866 about equality tests of floating point types.
19867 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
19868 * invoke.texi: Add docs for -Wfloat-equal warning.
19870 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
19872 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
19873 generating RTL directly.
19874 * mips.h (INIT_TARGET_OPTABS): Likewise.
19875 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
19877 * expr.h (init_mov_optab): Delete declaration
19879 * h8300.c (WORD_REG_USED): Update to avoid useless register
19880 saves in interrupt functions and functions which never return.
19882 * cse.c (struct set): Delete inner_dest_loc field.
19883 (cse_insn): Remove assignments to inner_dest_loc field.
19885 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
19887 * ggc-page.c: Don't include <unistd.h> etc taken care of
19888 by "system.h". Include <sys/mman.h> afterward.
19890 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
19892 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
19895 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
19897 * xcoffout.c (xcoffout_declare_function): Add documentation.
19898 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
19899 TARGET_64BIT. Compare constant to -1, not bit pattern.
19900 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
19901 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
19904 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
19906 * dwarf2out.c (add_abstract_origin_attribute): Abort if
19907 origin_die is NULL.
19908 (gen_inlined_enumeration_type_die): Do not abort if the type has
19909 not been writeen out.
19910 (gen_inlined_structure_type_die): Do not abort if the type has
19911 not been writeen out.
19912 (gen_inlined_union_type_die): Do not abort if the type has
19913 not been writeen out.
19914 (gen_tagged_type_instantiation_die): Do not abort if the type
19915 has not been written out.
19917 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19919 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
19921 * reg-stack.c (straighten_stack): Copy hard reg set with
19924 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
19926 * builtins.c (stabilize_va_list): Stabilize array type va_list
19927 to a pointer type, not the base record type.
19928 (expand_builtin_va_copy): Dereference the pointers explicitly;
19929 use the correct size for the copy.
19931 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
19932 (rs6000_va_arg): Likewise.
19934 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
19936 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
19938 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
19940 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
19942 (DECL_BUILT_IN_CLASS): Adjust accordingly.
19944 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
19946 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
19947 (init_ggc): Use it instead of a constant.
19948 (ggc_collect): Bound allocated_last_gc by it.
19950 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
19952 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
19955 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
19957 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
19958 (mips*-*-openbsd*): Let big endian configuration be a fragment.
19959 * configure: Regen.
19960 * config/mips/openbsd.h: New, OpenBSD little endian target.
19961 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
19962 * config/mips/xm-openbsd.h: New, OpenBSD host.
19964 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
19966 * config/m68k/m68k.c (output_function_prologue,
19967 output_function_epilogue): Use
19968 current_function_uses_pic_offset_table instead of regs_ever_live
19969 to decide whether to save/restore pic register.
19970 (legitimize_pic_address): Don't modify regs_ever_live any more.
19972 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
19974 * function.h (struct function): Add x_dont_save_pending_sizes_p.
19975 * stor-layout.c (variable_size): Don't add sizes to the pending
19976 sizes list if x_dont_save_pending_sizes_p is set.
19978 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
19980 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
19981 for symbolic_operand().
19982 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
19984 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19986 * combine.c (gen_rtx_combine): Add missing call to va_end().
19988 * final.c (asm_fprintf): Likewise.
19990 * genattrtab.c (attr_rtx): Likewise.
19992 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
19994 * cse.c: Update comments.
19995 (cse_insn): When converting a conditional/computed jump into
19996 an unconditional jump, always make sure a BARRIER immediately
19997 follows the converted jump. Do not delete unreachable code.
19998 (cse_basic_block): Do not delete unreachable code.
19999 * toplev.c (rest_of_compilation): Move call to
20000 delete_trivially_dead_insns after the conditional call to
20003 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20005 * collect2.c (make_temp_file): Don't prototype.
20007 * gcc.c (make_temp_file): Likewise.
20009 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
20011 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
20013 * varasm.c (asm_emit_uninitialised): New function: Generate
20014 the assembler statements necessary to declare an uninitialised
20016 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
20018 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
20019 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
20021 (assemble_variable): Use asm_emit_uninitialised to emit an
20022 uninitialised variable.
20024 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
20026 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
20027 constant on a 64 bit host. Patch supplied by Geoffrey Keating
20028 <geoffk@cygnus.com>.
20030 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20032 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
20033 * c-common.h (builtin_function): Don't declare.
20035 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
20037 (pushdecl): Likewise.
20038 (finish_decl): Likewise.
20039 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
20040 int. All callers changed.
20041 Set the builtin's DECL_BUILT_IN_CLASS.
20042 * tree.h (enum built_in_class): New.
20043 (enum built_in_function): Delete NOT_BUILT_IN.
20044 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
20046 (DECL_SET_FUNCTION_CODE): Likewise.
20047 (DECL_BUILT_IN_CLASS): New macro.
20048 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
20049 (struct tree_decl): Split builtin function code field into a
20051 (builtin_function): Declare.
20053 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
20055 * optabs.c (init_traps): Fix typo in last change.
20057 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
20059 * toplev.c (rest_of_decl_compilation): Update comment.
20061 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20063 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
20064 in .sbss if appropriate.
20065 (EXTRA_SECTION_FUNCTIONS): Add sbss.
20066 (SBSS_SECTION_ASM_OP): New macro.
20067 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
20068 (EXTRA_SECTIONS): Add in_sbss.
20069 * config/mips/mips.h: Prototype sbss_section.
20071 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
20073 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
20076 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
20078 * optabs.c (init_traps): Register trap_rtx as a GC root.
20080 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20082 * config/mips/mips.c (function_arg_pass_by_reference): Define
20083 unconditionally, since it's called unconditionally.
20085 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20087 * toplev.c (documented_lang_options): Add -fshort-wchar.
20088 * c-decl.c (c_decode_option): Likewise.
20089 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
20091 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
20092 * gcc.c (default_compilers): If -fshort-wchar,
20093 override __WCHAR_TYPE__.
20094 * tm.texi (C Dialect Options): Add -fshort-wchar.
20096 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
20097 symbol for a variable.
20099 * cpplib.h (CPP_PREPROCESSED): New macro.
20100 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
20101 we're seeing this input for a second time.
20103 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
20105 * emit-rtl.c (init_emit_once): Initialize modes first.
20107 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
20109 * config/i386/i386.c (pic_label_name): Change to char pointer.
20110 (global_offset_table): New variable.
20111 (load_pic_register): Fill global_offset_table if it hasn't
20112 already been done. Allocate pic_label_name dynamically.
20113 * ggc.h (empty_string): New variable.
20114 * ggc-simple.c (empty_string): Likewise.
20115 (init_ggc): Allocate empty_string and add as root.
20116 * stmt.c (digit_strings): New variable.
20117 (init_stmt): Add last_block_end_note as root. Allocate and
20118 initialize digit_strings.
20119 (expand_asm_operands): Use empty_string instead of string
20120 constant. Use digit_strings instead of string constants.
20121 * profile.c (init_arc_profiler): Allocate string with
20122 ggc_alloc_string instead of xmalloc.
20123 (output_func_start_profiler): Likewise.
20124 * c-typeck.c (digest_init): Check if init is error_mark_node.
20126 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
20127 Richard Henderson <rth@cygnus.com>
20129 * ggc-page.c: New file.
20130 * Makefile.in (ggc-page.o): New.
20132 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
20134 * invoke.texi: Document -fdelete-null-pointer-checks
20135 * toplev.c (flag_delete_null_pointer_checks): New.
20136 (f_options): Add entry for -fdelete-null-pointer-checks.
20137 (rest_of_compilation): Conditionalize null pointer check
20138 elimination on flag_delete_null_pointer_checks.
20139 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
20141 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
20143 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
20144 copyright notice and special exception to GPL.
20146 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20148 * abi64.h (mips_function_value): Add prototype arguments.
20150 * mips-protos.h: New file with mips prototypes.
20152 * mips.c: Include "tm_p.h".
20153 (mktemp, lookup_name): Add prototype arguments.
20154 (extern_list, string_constant, mips_fill_delay_slot,
20155 mips_output_external, mips_output_external_libcall,
20156 mips_output_filename, mips_declare_object, function_prologue,
20157 mips_expand_prologue, function_epilogue, mips16_constant,
20158 build_mips16_function_stub, mips_output_conditional_branch):
20160 (mips_va_start): Remove unused variable `u'.
20161 (mips_va_arg): Cast value to unsigned when comparing against one.
20163 (save_restore_insns, mips_expand_prologue): Add missing arg in
20164 call to `large_int'.
20166 * mips.h: Move prototypes to mips-protos.h.
20167 (data_section, memory_address_p, rdata_section,
20168 readonly_data_section, simple_epilogue_p, text_section): Delete
20169 prototypes delcared elsewhere.
20170 (mips_epilogue_delay_slots, print_options): Delete unused decls.
20172 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
20174 * mips.md: Delete extra args in call to `mips_move_2words'.
20176 * xm-iris6.h (alloca): Add prototype argument.
20178 * genpeep.c: Include "tm_p.h" in generated output file.
20180 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20182 * basic-block.h (find_edge_index): Change parameters.
20183 * flow.c (verify_edge_list): Pass basic_block parameters to
20184 find_edge_index instead of integers.
20186 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
20188 * combine.c (simplify_comparison): Use an unsigned shift to adjust
20191 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
20193 * gcc.1: Fix a formatting error.
20195 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20197 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
20198 i786, mn10200, mn10300, pdp11, v850.
20200 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
20202 * libgcc2.c (num_digits): Add prototype with
20203 __attribute__((const)).
20204 (__terminate): Add prototype.
20206 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
20208 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
20210 * alpha/alpha.c (print_operand): Fix type of `code'.
20211 (alpha_output_filename): Constify.
20212 * alpha/alpha.h: Move all function declarations ...
20213 * alpha/alpha-protos.h: ... here. New file.
20214 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
20215 (SECTION_FUNCTION_TEMPLATE): Likewise.
20217 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20219 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
20220 * expr.c (expand_expr): Likewise.
20221 (do_jump): Likewise.
20222 (do_store_flag): Pass ccp_store_flag to can_compare_p.
20223 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
20225 (enum can_compare_purpose): New.
20226 (can_compare_p): Adjust prototype.
20227 (prepare_cmp_insn, prepare_operand): Declare.
20228 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
20229 * optabs.c (cmp_available_p): Deleted.
20230 (expand_abs): Pass ccp_jump to can_compare_p.
20231 (can_compare_p): New arg PURPOSE. Check for combined optabs.
20232 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
20233 Call can_compare_p rather than cmp_available_p.
20234 (prepare_operand): No longer static.
20235 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
20236 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
20237 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
20238 sequence to use emit_cmp_and_jump_insns.
20239 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
20241 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
20243 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
20244 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
20245 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
20246 (plus (reg) (const_int 0))
20247 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
20249 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
20251 * rs6000.c (expand_block_move): DImode loads and stores require
20252 word-aligned displacements. Increment address registers with
20253 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
20255 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
20257 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
20258 is no name for the base type, rather than segfault. If we are
20259 writing out a complex integer type, use DW_ATE_lo_user.
20261 * expr.c (emit_move_insn_1): If we are copying a complex that fits
20262 in one word or less (complex char, complex short, or on 64 bit
20263 systems complex float) to/from a hard register, copy it through
20264 memory instead of dying in gen_{real,imag}part. If we have a
20265 short complex type, prevent inlining since it allocates stack
20268 * tree.c (build_complex_type): If we are writing dwarf2 output,
20269 generate a name for complex integer types.
20271 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20273 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
20274 * flow.c (remove_edge): Remove extra whitespace.
20275 (remove_fake_edges): Fix comment.
20276 (add_noreturn_fake_exit_edges): Use the correct name.
20278 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
20280 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
20281 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
20282 (clean): Depend on INTL_CLEAN.
20283 (maintainer-clean): Adjust.
20285 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20287 * configure.in (AC_PREREQ): Bump to 2.13.
20288 (AC_C_STRINGIZE): Call this instead of using a custom macro.
20290 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
20292 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
20294 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
20296 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
20297 (HAVE_STRINGIZE): Define.
20299 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
20301 * c-parse.in: save and restore warn_pointer_arith on __extension__
20302 along with pedantic.
20303 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
20304 Set the type of extension to itype rather than $<itype>1 kludge.
20305 * extend.texi (Alternate Keywords): Adjust documentation.
20306 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
20308 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
20310 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
20311 most assembler templates.
20313 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
20314 FP loads and stores.
20315 (following_call): Always return zero for the PA8000.
20316 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
20317 FP loads and stores.
20318 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
20320 * pa.h (BRANCH_COST): Define.
20322 * pa.md (return, return_internal): Use bve for PA2.0.
20324 * pa.md (fused multiply): Add variants which reduce height for the
20325 fused multiply, but which still generate 2 insns.
20326 (fnegabs): Similarly.
20328 * pa.md (subsi3): Turn into an expander. Create two anonymous
20329 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
20330 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
20332 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
20334 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
20336 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
20337 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
20339 * regclass.c (init_regs): Add "top_of_stack" as a garbage
20342 * flow.c (record_active_eh_regions): Terminate loop after finding
20343 the last insn in the last basic block.
20345 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20347 * config/c4x/c4x.md: Delete parallel instruction peepholes.
20349 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20351 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
20353 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20355 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
20356 splitting to not use output template.
20358 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20360 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
20361 * config/c4x/c4x.c (c4x_va_start): New function.
20363 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
20365 * genrecog.c (not_both_true): Handle correctly cases when called for
20366 tests with different positions in the insn.
20368 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20370 * machmode.h (HOST_PTR_PRINTF): Move from here ...
20372 * system.h (HOST_PTR_PRINTF): ... to here.
20374 * mips-tfile.c: Don't include machmode.h.
20376 * Makefile.in (MACHMODE_H): New variable. Update to use it.
20377 (mips-tfile.o): Don't depend on machmode.h.
20379 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20381 * haifa-sched.c (sched_analyze): Rename local variable `region' to
20382 avoid conflicts with typedef struct `region' at the top level scope.
20384 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
20386 * basic-block.h (basic_block): Add eh_beg, eh_end.
20387 * flow.c (entry_exit_blocks): Update.
20388 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
20389 Call new functions.
20390 (find_basic_blocks_1): Don't record eh_list at each bb. Use
20391 lists.c functions to allocate insn lists.
20392 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
20394 (make_eh_edge): ... here. New.
20395 (move_stray_eh_region_notes): New.
20396 (record_active_eh_regions): New.
20397 (delete_unreachable_blocks): Split out block merging ...
20398 (try_merge_blocks): ... here. New.
20399 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
20400 Dump debugging data.
20401 (merge_blocks_move_successor_nojumps): Likewise.
20402 (merge_blocks): Use eh_beg+eh_end to validate block movement.
20404 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20406 * extend.texi (Bound member functions): Document unbound pmf
20409 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20411 * flow.c (split_edge): Handle insertion on a fallthrough edge which
20412 has the EXIT_BLOCK as a dest.
20414 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20416 * flow.c (remove_edge): New function to remove an edge from the
20418 (remove_fake_successors): New function to remove fake successor edges.
20419 (remove_fake_edges): New function to remove all fake edges from the
20421 (add_fake_exit_edges): New function to add fake edges from all blocks
20422 with no successors to the exit block.
20423 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
20424 prototypes for new functions.
20426 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20428 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
20429 Use Pmode to determine whether to output .dword or .word.
20431 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
20433 * tree.c (built_in_filename): New variable.
20434 (BUILT_IN_FILENAME): New macro.
20435 (init_tree_codes): Allocate built_in_filename.
20436 (make_node): Use built_in_filename instead of string constant.
20438 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
20440 * configure.in: Add fr30 target.
20441 * configure: Regenerate.
20442 * config/fr30: New directory.
20443 * config/fr30/crti.asm: New file.
20444 * config/fr30/fr30.c: New file.
20445 * config/fr30/crtn.asm: New file.
20446 * config/fr30/fr30.h: New file.
20447 * config/fr30/fr30.md: New file.
20448 * config/fr30/lib1funcs.asm: New file.
20449 * config/fr30/t-fr30: New file.
20450 * config/fr30/xm-fr30.h: New file.
20452 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
20454 * flow.c (merge_blocks_move_successor_nojumps): Delete the
20455 BARRIER at the end of the successor, not the BARRIER before
20458 * pa.c (pa_add_gc_roots): Fix thinko in last change.
20460 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
20462 * stmt.c (any_pending_cleanups): Don't crash when
20463 current_function->stmt is unset.
20465 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20467 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
20468 other initializations that may use it for relative offsets.
20470 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20472 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
20473 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
20474 * config/i386/sol2dbg.h: Removed.
20475 * config/i386/sol2gas.h: New file, to enable gas work-around.
20476 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
20477 Don't use sol2dbg.h.
20478 * configure: Rebuilt.
20480 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
20482 * invoke.texi (-fthis-is-variable): Remove documentation.
20484 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
20486 * basic-block.h (compute_bb_for_insn): Declare.
20487 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
20488 to use; set size of basic_block_for_insn directly.
20489 (find_basic_blocks): Update.
20491 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20493 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
20495 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20497 * crtstuff.c (ON_EXIT): Delete empty macro definition.
20498 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
20500 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
20502 * c-decl.c (c_decode_option): Extend comment.
20504 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
20506 * toplev.c (progname): Make 'const char *'
20507 (flag_print_mem): Move out of main.
20508 (version_flag): Move out of main.
20509 (filename): Move out of main.
20510 (debug_args): Remove g prefix from options.
20511 (documented_lang_options): Remove cpplib specific options.
20512 (display_help): Add g prefix to debug options.
20513 (check_lang_option): Delete this function.
20514 (decode_d_option): New function: Decode -d... option.
20515 (decode_f_option): New function: Decode -f... option.
20516 (decode_W_option): New function: Decode -W... option.
20517 (decode_g_option): New function: Decode -g... option.
20518 (independent_decode_option): New function: Decode a language
20519 independent command line option.
20520 (main): Invoke lang_decode_option and then
20521 independent_decode_option on each command line option in
20524 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
20526 Revert this change. Gavin's patch to operand_equal_p is a better fix.
20527 * fold-const.c (fold_range_test): Do not try to fold the range
20528 test if the rhs or lhs has side effects.
20530 * basic-block.h (compute_flow_dominators): Declare.
20532 * gcse.c (alloc_code_hoist_mem): New function.
20533 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
20534 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
20535 (hoist_code, one_code_hoisting_pass): Likewise.
20536 (gcse_main): If optimizing for size, then hoist expressions
20537 computed in multiple dominated basic blocks.
20539 * gcse.c (invalid_nonnull_info): New function.
20540 (delete_null_pointer_checks): Likewise.
20541 * rtl.h (delete_null_pointer_checks): Declare.
20542 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
20544 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
20545 (merge-blocks_move_successor_nojumps): Likewise.
20546 (merge_blocks): Allow merging of some blocks, even if it requires
20547 physical movement of the blocks, but not if it requires new jumps.
20549 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
20550 Callers and prototype changed.
20551 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
20553 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20555 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
20556 -YP when both -p and -pg are present. From i386/sol2.h.
20558 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20560 * Makefile.in (distclean): Delete tm_p.h.
20561 * configure.in: Create a new file, "tm_p.h", from a list in
20562 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
20563 "i386/i386-protos.h".
20565 * alias.c: Include "tm_p.h".
20566 * c-typeck.c: Likewise.
20567 * calls.c: Likewise.
20569 * emit-rtl.c: Likewise.
20570 * explow.c: Likewise.
20571 * expmed.c: Likewise.
20572 * expr.c: Likewise.
20573 * final.c: Likewise.
20574 * flow.c: Likewise.
20575 * fold-const.c: Likewise.
20576 * function.c: Likewise.
20577 * gcse.c: Likewise.
20578 * global.c: Likewise.
20579 * haifa-sched.c: Likewise.
20580 * integrate.c: Likewise.
20581 * jump.c: Likewise.
20582 * local-alloc.c: Likewise.
20583 * loop.c: Likewise.
20584 * optabs.c: Likewise.
20585 * recog.c: Likewise.
20586 * reg-stack.c: Likewise.
20587 * regclass.c: Likewise.
20588 * regmove.c: Likewise.
20589 * reload.c: Likewise.
20590 * reload1.c: Likewise.
20591 * reorg.c: Likewise.
20592 * resource.c: Likewise.
20593 * stmt.c: Likewise.
20594 * stor-layout.c: Likewise.
20595 * toplev.c: Likewise.
20596 * tree.c: Likewise.
20597 * unroll.c: Likewise.
20598 * genattrtab.c (main): Make generated file include "tm_p.h".
20599 * genemit.c (main): Likewise.
20600 * genoutput.c (main): Likewise.
20601 * genrecog.c (main): Likewise.
20603 * i386.h: Delete all prototypes.
20604 * i386.c: Include "tm_p.h".
20605 (ix86_attr_length_default): Call constant_call_address_operand
20606 with correct number of arguments.
20607 * i386-protos.h: New file.
20608 * i386.md (unnamed patterns): Call constant_call_address_operand
20609 with correct number of arguments.
20610 (exception_receiver): Call load_pic_register with correct number
20613 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
20615 * c-pragma.c (mark_align_stack): Dereference the void* properly.
20617 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
20619 * rtl.h (insns_safe_to_move_p): New function.
20620 * loop.c (find_and_verify_loops): Use it.
20621 * rtlanal.c (insns_safe_to_move_p): Define it.
20623 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
20625 * c-pragma.c: Include ggc.h.
20626 * Makefile.in (c-pragma.o): Update.
20628 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20630 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
20631 (LIB_SPEC): Likewise.
20632 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
20633 Reindent -YP/-p/-pg.
20634 Copied from config/sparc/sol2.h.
20636 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
20638 * c-pragma.c (mark_align_stack): New.
20639 (init_pragma): New.
20640 * c-pragma.h (init_pragma): Declare it.
20641 * c-lex.c (init_parse): Call it.
20643 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20645 * configure.in: Pick up thread library on Solaris/x86 just
20646 like on Solaris/sparc.
20647 * configure: Rebuilt.
20649 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
20651 * rtl.h (global_rtx_index): New enum.
20652 (global_rtl): Change to array of rtx.
20653 (pc_rtx, cc0_rtx): Redefine accordingly.
20654 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
20655 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
20656 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
20657 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
20658 (const_int_rtx): Change to array of rtx.
20659 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
20661 * emit-rtl.c (global_rtl): Change to array of rtx.
20662 (const_int_rtx): Change to aray of rtx.
20663 (gen_rtx_CONST_INT): Redefine accordingly.
20664 (init_emit_once): Allocate and initialize global_rtl. Likewise
20665 for const_int_rtx. Add both as GC roots.
20666 * genattrtab.c (global_rtl): Update declaration.
20668 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
20670 * Makefile (USER_H): Add iso646.h back.
20672 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
20674 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
20675 zapping the LOG_LINKS of sched_before_next_call.
20677 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
20678 * pa.c (insn_refs_are_delayed): Renamed from
20679 insn_sets_and_refs_are_delayed.
20681 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
20683 * functiion.h (struct function): Add x_whole_function_mode_p.
20684 (retrofit_block): Declare.
20685 * function.c (retrofit_block): New function.
20686 (identify_blocks): Add assertions. Allow an incomplete set of
20687 block notes if we're still generating code for the function.
20688 * integrate.c: Include loop.h.
20689 (expand_inline_function): Call find_loop_tree_blocks to map block
20690 notes to blocks when in whole-function mode. Use retrofit_block
20691 to insert new BLOCKs for the inlined function, rather than
20693 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
20694 * Makefile.in (integrate.o): Depend on loop.h.
20696 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20698 * tree.h (warn_about_unused_variables): Declare.
20699 * stmt.c (warn_about_unused_variables): New function, split out
20701 (expand_end_bindings): Here.
20703 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
20705 * stmt.c (preserve_subexpressions_p): Don't crash when
20706 current_function->stmt is unset.
20708 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
20710 * stmt.c (expand_start_bindings): Allow callers to pass a flag
20711 indicating that no NOTE_INSN_BLOCK_BEG note is required.
20712 (expand_start_target_temps): Use it.
20713 * except.c (expand_eh_region_start_for_decl): Likewise.
20714 * expr.c (expand_expr): Likewise.
20716 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
20718 * fold-const.c (operand_equal_p): Pay attention to side effects.
20720 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
20722 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
20723 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
20725 * tlink.c (scan_linker_output): Look for keywords before accepting
20726 a mangled name in quotes.
20728 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
20730 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
20731 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
20733 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
20735 * alpha.md: Revert Thu Nov 26 change that came in through the
20736 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
20737 Avoid earlyclobber when possible.
20739 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20741 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
20743 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
20744 Define HAVE_ON_EXIT.
20746 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20748 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
20749 CTYPE_CONV in all ctype macros.
20751 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
20754 * cexp.y (initialize_random_junk): Likewise.
20756 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
20758 * i370.c (handle_pragma): Likewise.
20760 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
20762 * v850.c (override_options): Likewise.
20764 * doprint.c (_doprnt): Likewise.
20766 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
20769 * fixinc/server.c (load_data): Likewise.
20771 * fold-const.c (real_hex_to_f): Likewise.
20773 * genattr.c (write_upcase, gen_attr): Likewise.
20775 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
20776 write_upcase): Likewise.
20778 * genemit.c (print_code): Likewise.
20780 * genopinit.c (gen_insn): Likewise.
20782 * genpeep.c (print_code): Likewise.
20784 * genrecog.c (print_code): Likewise.
20786 * optabs.c (init_libfuncs): Likewise.
20788 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
20790 * haifa-sched.c (sched_analyze): Keep the list of notes organized
20792 (reemit_notes): Likewise.
20794 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
20796 * ggc.h (ggc_root): Move to ggc-common.c.
20798 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
20799 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
20800 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
20801 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
20802 * ggc-common.c (ggc_root): Move from ggc.h.
20803 (roots): Declare, static.
20804 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
20805 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
20806 null or check/set mark bit.
20807 (ggc_mark_roots): New.
20808 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
20810 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
20812 * m32r.c: Include toplev.h.
20813 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
20814 (gen_compare): Rename swap_p to must_swap to match uses.
20815 Add default abort case.
20816 (m32r_output_function_epilogue): Remove unused variables.
20817 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
20818 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
20819 define to empty parameter list. Update all uses.
20820 (predicate decls): Use enum machine_mode not int.
20821 * m32r.md (movsi): Call abort, not fatal_insn.
20822 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
20824 1999-09-14 Andrew Haley <aph@cygnus.com>
20826 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
20827 use $0 instead of 0.
20829 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20831 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
20832 computation out of loop over hard regs.
20834 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
20836 * function.c (identify_blocks): Don't shadow a variable in an
20838 * integrate.c (integrate_decl_tree): Don't use pushlevel,
20839 pushdecl, or poplevel to build up the new BLOCK tree.
20840 (expand_inline_function): Likewise.
20841 (integrate_parm_decls): Likewise.
20843 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
20845 * c-typeck.c (qualify_type): Merge qualifiers from both types.
20847 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
20849 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
20850 * invoke.texi: Document this change.
20852 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
20854 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
20856 (mark_emit_status): Renamed from mark_emit_state.
20857 * except.c (mark_eh_status): Renamed from mark_eh_state.
20858 Check not null before marking.
20859 (free_eh_status): New.
20860 * expr.c (mark_expr_status, free_expr_status): New.
20861 * function.c (free_machine_status): New.
20862 (free_after_parsing): New.
20863 (free_after_compilation): Move bits to free_after_parsing; call
20864 free_eh_status, free_expr_status; zero the marked members of the
20866 (prepare_function_start): No can_garbage_collect.
20867 Call init_eh_for_function.
20868 (expand_dummy_function_end): Free up current_function state.
20869 (mark_function_status): Renamed from mark_function_state.
20870 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
20871 * function.h (struct function): No can_garbage_collect.
20872 (free_machine_status, free_after_parsing): Declare.
20873 (free_eh_status, free_expr_status): Declare.
20874 * ggc.h (mark_expr_status): Declare.
20875 * stmt.c (free_stmt_status): Free the struct.
20876 (mark_stmt_status): Renamed from mark_stmt_state.
20877 (init_stmt): Don't call init_eh.
20878 (init_stmt_for_function): Don't call init_eh_for_function.
20879 * toplev.c (compile_file): Call init_eh.
20880 (rest_of_compilation): Free basic block info before ggc_collect.
20881 Call free_after_parsing; conditionally call free_after_compilation.
20882 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
20883 Check not null before marking.
20884 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
20886 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
20888 * c-lex.c (yylex): Initialize warn.
20890 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
20892 * pa.c (emit_move_sequence): Properly set the mode of the scratch
20893 register when performing secondary reloads for the SAR register.
20895 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
20897 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
20898 (NOTE_BLOCK): New macro.
20899 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
20900 * function.h (identify_blocks): Change prototype.
20901 * function.c (identify_blocks): Simplify.
20902 (reorder_blocks): Likewise.
20903 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
20904 NOTE_INSN_BLOCK_{BEG,END}.
20905 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
20906 the list of saved notes if the note isn't a
20907 NOTE_INSN_BLOCK_{BEG,END}.
20908 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
20910 (reemit_notes): Adjust recreation of notes to reflect new saved
20912 * print-rtl.c (print_rtx): Print the address of the BLOCK when
20913 printing a block note.
20914 * stmt.c (block_vector): Remove.
20915 (find_loop_tree_blocks): Simplify.
20916 (unroll_block_trees): Likewise.
20917 * tree.h (reorder_block): Change prototype.
20919 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
20921 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
20922 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
20923 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
20924 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
20925 (atexit, exit): Simplify.
20926 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
20927 * config/lots: Remove defns of HAVE_ATEXIT.
20929 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
20931 * calls.c (precompute_arguments): Fix typo in comment.
20932 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
20935 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
20937 * dsp16xx.c (override_options): Fix typos in GC root registration.
20939 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
20941 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
20942 from config/svr4.h.
20943 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
20944 (FUNCTION_PROFILER): Redefine appropriately for Linux.
20945 (CC1_SPEC): Likewise.
20947 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20949 * genattr.c (main): Add extern prototype. Call return, not exit.
20950 * genattrtab.c (main): Likewise.
20951 * gencheck.c (main): Likewise.
20952 * gencodes.c (main): Likewise.
20953 * genconfig.c (main): Likewise.
20954 * genemit.c (main): Likewise.
20955 * genextract.c (main): Likewise.
20956 * genflags.c (main): Likewise.
20957 * gengenrtl.c (main): Likewise.
20958 * genopinit.c (main): Likewise.
20959 * genoutput.c (main): Likewise.
20960 * genpeep.c (main): Likewise.
20961 * genrecog.c (main): Likewise.
20963 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
20964 * genattrtab.c (get_insn_name): Likewise.
20965 * gencodes.c (get_insn_name): Likewise.
20966 * genconfig.c (get_insn_name): Likewise.
20967 * genemit.c (get_insn_name): Likewise.
20968 * genextract.c (get_insn_name): Likewise.
20969 * genflags.c (get_insn_name): Likewise.
20970 * genopinit.c (get_insn_name): Likewise.
20971 * genpeep.c (get_insn_name): Likewise.
20973 * gencheck.c (usage): Add static prototype.
20974 * genextract.c (print_path): Constify a char*.
20975 * genopinit.c (optabs): Likewise.
20976 * genoutput.c (operand_data, data, output_predicate_decls,
20977 compare_operands): Likewise.
20978 * genrecog.c (write_tree): Add default case in switch.
20980 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20982 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
20984 * print-rtl.c (get_insn_name): Remove prototype.
20986 * toplev.h (progname): Declare const.
20988 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
20989 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
20990 dump_sched_info, dump_local_alloc, regset_release_memory,
20991 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
20992 error_with_file_and_line, error_with_decl, error_for_asm, error,
20993 fatal, warning_with_file_and_line, warning_with_decl, warning,
20994 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
20995 Remove redundant prototypes.
20997 (notice, check_lang_option, report_file_and_line, vnotice,
20998 mark_file_stack): Add static prototype.
20999 (set_fatal_function): Add prototype.
21000 (vnotice, report_file_and_line, set_fatal_function,
21001 check_lang_option): Constify a char*.
21002 (main): Prototype. Call return, not exit.
21004 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21006 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
21008 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
21010 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
21012 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
21014 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21016 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
21017 behave as if it's zero in all cases.
21018 (expand_function_start): Adjust call to assign_parms.
21019 * tree.h (assign_parms): Adjust prototype.
21020 * objc/objc-act.c (hack_method_prototype): Adjust call to
21023 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
21025 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
21026 arg_pointer_rtx fixed if the argument pointer register is
21028 (NONZERO_BASE_PLUS_P): Likewise.
21030 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
21032 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
21033 match_insn2 to match_insn.
21034 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
21036 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
21038 * Makefile.in (USER_H): Remove va-foo.h.
21040 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
21041 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
21042 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
21043 va-spur.h,va-v850.h}: Remove.
21045 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
21047 * sparc/sparc.md (eligible_for_return_delay): New attribute.
21048 (in_return_delay): Use it instead of match_insn.
21050 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21052 * config/alpha/va_list.h (va-alpha.h): Do not include.
21053 (__gnuc_va_list): Typedef as in varargs.h.
21055 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
21057 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
21058 DECL_LIVE_RANGE_RTL.
21060 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
21062 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
21063 not NOTE_BLOCK_NUMBER.
21064 (expand_eh_region_end): Likewise.
21065 (find_exception_handler_labels): Likewise.
21066 (scan_region): Likewise.
21067 (exception_optimize): Likewise.
21068 (update_rethrow_references): Likewise.
21069 (set_insn_eh_region): Likewise.
21070 * final.c (final_scan_insn): Likewise.
21071 * flow.c (make_edges): Likewise.
21072 * integrate.c (expand_inline_function): Likewise.
21073 * print-rtl.c (print_rtx): Likewise.
21075 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
21077 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
21078 terms of builtin functions and types.
21080 * mips.c (mips_build_va_list): New.
21081 (mips_va_start, mips_va_arg): New.
21082 * mips.h (BUILD_VA_LIST_TYPE): New.
21083 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21085 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
21086 (sh_build_va_list, sh_va_start, sh_va_arg): New.
21087 * sh.h (BUILD_VA_LIST_TYPE): New.
21088 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21090 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
21092 * recog.h (struct recog_data): Make dup_num, operand_address_p,
21093 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
21094 (struct insn_data): Likewise with n_operands, n_dups,
21095 n_alternatives, output_format.
21096 * regclass.c (scan_one_insn): Cast n_operands to int before
21097 arithmetic inside comparison.
21099 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
21101 * toplev.c (compile_function): Unconditionally emit nop.
21103 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21105 * haifa-sched.c (actual_hazard): Move declaration of variable
21106 `this_cost' into the scope where it is used.
21108 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21110 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
21111 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
21112 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
21114 * genrecog.c (make_insn_sequence): Call memset, not bzero.
21116 * jump.c (find_insert_position): Don't declare or define unless
21117 !HAVE_conditional_arithmetic.
21118 (returnjump_p_1, delete_prior_computation): Add static prototypes.
21120 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
21122 * recog.c (offsettable_address_p): Prototype function pointer.
21123 (preprocess_constraints): Call memset, not bzero.
21125 * tree.c (tree_node_kind_names): Constify a char*. Make static.
21126 (gcc_obstack_init): Don't declare.
21127 (fix_sizetype): Add static prototype.
21128 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
21129 (tree_cons): Call memset, not bzero.
21131 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
21132 definition in macro ASM_WEAKEN_LABEL.
21133 (mark_const_hash_entry): Add static prototype.
21135 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21137 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
21139 * unroll.c (find_common_reg_term, subtract_reg_term,
21140 loop_find_equiv_value): Add static prototypes.
21141 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
21142 (copy_loop_body): Remove unreachable break statement.
21144 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
21146 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
21148 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21150 Undo some changes from the gcc2 merge:
21151 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
21152 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
21156 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
21157 * emit-rtl.c (gen_lowpart_common): Disable optimization of
21158 initialized float-int union if the value is a NaN.
21160 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
21162 * gthr-win32.h: New file.
21164 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
21165 shared as a valid attribute.
21166 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
21167 * extend.texi: Document `shared' variable attribute.
21169 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
21171 * configure.in: Handle --enable-threads on FreeBSD.
21172 * configure: Rebuit.
21174 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21176 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
21178 * configure: Rebuilt.
21180 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
21181 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
21182 Rosimildo DaSilva <rdasilva@connecttel.com>
21184 * configure.in (m68k-*-rtemscoff*): Added.
21185 * configure.in (mips64orion-*-rtems*): Converted to ELF.
21186 * configure.in (sparc-*-rtemsaout*): Added as alias for old
21187 sparc-rtems configuration.
21188 * configure.in (sparc-*-rtemself*): Added.
21189 * configure.in (sparc-*-rtems*): Now ELF not a.out.
21190 * config/i386/rtems.h: Added comment.
21191 * config/sparc/rtemself.h: New file.
21193 * configure.in (m68k-rtemself): Added.
21194 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
21195 and DWARF_DEBUGGING_INFO.
21196 * config/m68k/crti.s: New file.
21197 * config/m68k/crtn.s: New file.
21198 * config/m68k/t-crtstuff: New file.
21199 * config/m68k/rtemself.h: New file.
21201 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
21202 global ctor/dtor and C++ exception handling.
21203 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
21204 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
21206 * config/i386/t-rtems-i386: New File.
21208 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
21210 * stmt.c (expand_end_case): Return right away if the case stack is
21213 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
21215 * Makefile.in (version.c): Remove rule incorrectly brought in from
21218 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
21220 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
21221 * msdos/top.sed: Take into account a prepended $(SHELL) to
21223 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
21225 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
21227 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21229 * regmove.c (fixup_match_1): Don't change an unchanging register.
21230 (stable_but_for_p): Renamed to:
21231 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
21232 Changed all callers.
21234 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
21236 * loop.c (strength_reduce): Don't call reg_used_between_p if the
21237 insn from BL2 is after the insn from BL.
21239 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
21241 * recog.h (INSN_OUTPUT_FORMAT_*): New.
21242 (struct insn_data): Merge `template' and `outfun' into `output'.
21243 Add `output_format'.
21244 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
21245 (struct data): Remove `outfun'; add `output_format'.
21246 (name_for_index): Remove declaration.
21247 (output_insn_data): Handle output formats.
21248 (process_template): Emit the bare array for @.
21249 (gen_expand, gen_split): Set output_format to NONE.
21250 * output.h (get_insn_template): Declare.
21251 * final.c (get_insn_template): New.
21252 (final_scan_insn): Use it.
21253 * toplev.c (compile_file): Likewise.
21255 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21256 * i860/i860.c (output_delayed_branch): Likewise.
21257 (output_delay_insn): Likewise.
21259 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21261 * rtl.c (obstack_alloc_rtx): Removed.
21263 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
21265 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
21267 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
21269 * i386.c (call_insn_operand): Reject const_int.
21270 (expander_call_insn_operand): Use call_insn_operand.
21272 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21274 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
21276 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
21278 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
21279 Use DImode operation.
21281 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
21283 * gcc.c: Include sys/resource.h.
21284 (report_times): New flag.
21285 (execute): If report_times is set, calculate and report the
21286 CPU time consumed by each subprocess.
21288 (rus, prus): New globals.
21289 (option_map): Add --time.
21290 (display_help): Document -time.
21291 (process_command): Set report_times if -time is given.
21292 Turn off -pipe if -time is given.
21294 * invoke.texi: Document new option -time.
21296 * configure.in: Check for getrusage. Check if we have to
21297 prototype getrusage.
21298 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
21299 * configure: Regenerate.
21300 * config.in: Regenerate.
21302 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
21304 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
21307 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
21309 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
21310 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
21311 (nan): Return _thenan_sf or _thenan_df as appropriate.
21312 (L_thenan_sf): Define _thenan_sf.
21313 (L_thenan_df): Define _thenan_df.
21315 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
21316 (DPBIT_FUNCS): Add _thenan_df.
21318 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
21320 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
21323 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21325 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
21328 (lang_specific_driver): Don't take a function pointer parameter.
21329 All callers changed.
21331 * gcc.c: Include gcc.h.
21332 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
21333 lang_specific_extra_outfiles, fatal): Don't declare.
21334 (multilib_defaults_raw): Constify.
21335 (read_specs): Call memset, rather than bzero.
21336 (main): Call return, not exit.
21337 (lookup_compiler): Call memcpy, not bcopy.
21338 (fatal): Make extern.
21340 * cppspec.c: Include gcc.h.
21341 (lang_specific_driver): Initialize variable `quote'. Constify a
21342 char*. All calls to the function pointer parameter now
21343 explicitly call `fatal'.
21345 * gccspec.c (lang_specific_driver): Include gcc.h.
21347 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
21349 * arm.c (note_invalid_constants): Use recog_data.operand_type
21352 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21354 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
21357 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
21358 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21359 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21360 reload_secondary_in_reload, reload_secondary_out_reload,
21361 reload_secondary_in_icode, reload_secondary_out_icode,
21362 reload_reg_rtx, reload_when_needed): Delete declarations.
21363 (struct reload): New structure.
21364 (rld): Declare new array.
21365 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
21366 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21367 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21368 reload_secondary_in_reload, reload_secondary_out_reload,
21369 reload_secondary_in_icode, reload_secondary_out_icode,
21370 reload_reg_rtx, reload_when_needed): Delete definitions.
21372 (whole file): Replace uses of the deleted arrays with uses of rld.
21373 * reload1.c (whole file): Replace uses of the deleted arrays with
21375 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
21376 explicit loops, not with bcopy.
21378 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
21380 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
21381 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
21382 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
21383 insn_name): Delete and consolidate into new structures.
21384 (insn_operand_predicate_fn): New.
21385 (insn_output_fn): New.
21386 (insn_gen_fn): New.
21387 (struct insn_operand_data): New.
21388 (struct insn_data): New.
21390 (OUT_FCN): Update for insn_data change.
21391 * builtins.c (expand_builtin_strlen): Likewise.
21392 (expand_builtin_memcmp): Likewise.
21393 * combine.c (make_extraction, simplify_comparison): Likewise.
21394 * cse.c (canon_reg, cse_insn): Likewise.
21395 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
21396 * expmed.c (store_bit_field, extract_bit_field): Likewise.
21397 (emit_store_flag): Likewise.
21398 * expr.c (convert_move, emit_block_move): Likewise.
21399 (clear_storage, emit_push_insn, expand_increment): Likewise.
21400 (do_store_flag): Likewise.
21401 * expr.h (GEN_FCN): Likewise.
21402 (insn_gen_function): Die.
21403 * final.c (final_scan_insn): Update for insn_data change.
21404 (output_asm_name): Likewise.
21405 * function.c (fixup_var_refs_1): Likewise.
21406 * loop.c (check_dbra_loop): Likewise.
21407 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
21408 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
21409 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
21410 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
21411 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
21412 * regmove.c (gen_add3_insn): Likewise.
21413 * reload.c (push_secondary_reload, combine_reloads): Likewise.
21414 (find_reloads, find_reloads_address_1): Likewise.
21415 (debug_reload_to_stream): Likewise.
21416 * reload1.c (emit_reload_insns, gen_reload): Likewise.
21417 * stmt.c (expand_end_case): Likewise.
21418 * toplev.c (compile_file): Likewise.
21420 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21421 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21423 * print-rtl.c (insn_name_ptr): Remove declaration.
21424 (get_insn_name): Declare.
21425 (print_rtx): Use it.
21426 * genoutput.c (insn_name_ptr): Remove.
21427 (next_operand_number): New.
21428 (struct operand_data): New.
21429 (null_operand, odata, odata_end): New.
21430 (struct data): Use struct operand_data.
21431 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
21432 (get_insn_name): Renamed from name_for_index.
21433 (output_prologue): Define NO_MD_PROTOTYPES.
21434 (output_predicate_decls): Break out from output_epilogue.
21435 Iterate over the operands list.
21436 (output_operand_data): Break out from output_epilogue. Emit
21437 just the operands list.
21438 (output_insn_data): Break out from output_epilogue. Emit just
21440 (output_epilogue): Remove.
21441 (output_get_insn_name): New.
21442 (constraints, op_n_alternatives, predicates, address_p): Die.
21443 (modes, strict_low, seen): Die.
21444 (scan_operands): Take new param `d' instead of writing to
21445 seven global variables.
21446 (compare_operands): New.
21447 (place_operands): New.
21448 (validate_insn_alternatives): Update for struct data change.
21449 (gen_insn): Don't zero or copy 7 global arrays. Update for
21450 scan_operands; call place_operands.
21451 (gen_peephole, gen_expand, gen_split): Likewise.
21452 (main): Update for new output routines.
21454 * genattr.c (insn_name_ptr): Remove.
21455 (get_insn_name): New function.
21456 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
21457 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
21458 * genrecog.c: Likewise.
21460 * alpha.md (adddi3): Make `pattern' array static.
21462 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21464 * config/c4x/c4x.h (c4x_rpts_cycles_string,
21465 c4x_cpu_version_string): Constify char *.
21466 * config/c4x/c4x.c (c4x_rpts_cycles_string,
21467 c4x_cpu_version_string): Likewise.
21469 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
21471 * tree.c (save_tree_status): Revert 10 Sep change.
21472 (restore_tree_status): Likewise. Call obstack_free with NULL
21473 before freeing the obstack proper.
21475 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
21477 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
21479 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
21480 surrounding context.
21482 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
21484 * tree.c (type_hash_canon): Put all types in the hash-table, when
21487 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
21489 * recog.h (struct recog_data, recog_data): New.
21490 (recog_foo variables): Kill.
21491 * recog.c (recog_operand, recog_operand_loc): Kill.
21492 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
21493 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
21494 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
21495 (recog_data): Define.
21496 (extract_insn): Update all recog_foo references to use recog_data.
21497 (preprocess_constraints, constrain_operands): Likewise.
21498 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
21499 * genattrtab.c (main): Likewise.
21500 * genextract.c (main): Likewise.
21501 * genoutput.c: Likewise.
21502 * genrecog.c (write_subroutine, main): Likewise.
21503 * local-alloc.c (block_alloc): Likewise.
21504 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
21505 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
21506 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
21507 * reload.c (find_reloads, find_reloads_toplev): Likewise.
21508 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
21509 (reload_cse_simplify_operands): Likewise.
21511 * arc/arc.c (arc_final_prescan_insn): Likewise.
21512 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
21513 * h8300/h8300.c (notice_update_cc): Likewise.
21514 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
21515 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21516 * mn10200/mn10200.c (notice_update_cc): Likewise.
21517 * mn10300/mn10300.c (notice_update_cc): Likewise.
21518 * romp/romp.c (update_cc): Likewise.
21519 * sparc/sparc.c (check_pic): Likewise.
21520 * v850/v850.c (notice_update_cc): Likewise.
21522 * genemit.c (main): Don't declare recog_operand.
21524 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
21526 * ggc.h (rtvec_def): Forward declare.
21527 (tree_node): Likewise.
21528 (ggc_root): Define.
21530 (ggc_set_mark_rtx): Add prototype.
21531 (ggc_set_mark_rtvec): Likewise.
21532 (ggc_set_mark_tree): Likewise.
21533 * ggc-simple.c (ggc_root): Don't define.
21534 (roots): Don't declare.
21535 (ggc_mark_rtx): Remove.
21536 (ggc_mark_rtvec): Likewise.
21537 (ggc_mark_tree): Likewise.
21538 (ggc_mark_varray): Likewise.
21539 (ggc_mark_tree_hash_table_entry): Likewise.
21540 (ggc_mark_tree_hash_table): Likewise.
21541 (ggc_set_mart_rtx): New function.
21542 (ggc_set_mark_rtvec): Likewise.
21543 (ggc_set_mark_tree): Likewise.
21544 (ggc_add_root): Remove.
21545 (ggc_add_rtx_root): Likewise.
21546 (ggc_remove_tree_root): Likewise.
21547 (ggc_add_string_root): Likewise.
21548 (ggc_add_tree_varray_root): Likewise.
21549 (ggc_add_tree_hash_table_root): Likewise.
21550 (ggc_del_root): Likewise.
21551 (ggc_mark_rtx_ptr): Likewise.
21552 (ggc_mark_tree_ptr): Likewise.
21553 (ggc_mark_string_ptr): Likewise.
21554 (ggc_mark_tree_varray_ptr): Likewise.
21555 (ggc_mark_tree_hash_table_ptr): Likewise.
21556 * ggc-common.c: New file.
21557 * Makefile.in (OBJS): Add ggc-common.o.
21558 (ggc-common.o): List dependencies.
21560 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
21562 * cppalloc.c (xstrdup): Use memcpy.
21563 * cpperror.c (cpp_print_containing_files): Don't use
21565 * cpplib.c (conditional_skip): Set temp->lineno.
21566 (do_endif): Make error message less obscure.
21567 (if_directive_name): New function.
21568 (cpp_get_token [case EOF]): Unwind the if stack and generate
21569 error messages for each unterminated conditional in this file.
21570 (parse_string): Do not behave differently if -traditional.
21572 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
21574 * builtins.c (expand_builtin_va_arg): Cope with an array-type
21575 va_list decomposing to pointer-type.
21576 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
21577 (rs6000_va_arg): Likewise.
21579 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
21581 * except.c (start_dynamic_handler): Compute size using
21582 STACK_SAVEAREA_MODE.
21584 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21586 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
21587 include directory headers. Don't define strrchr. Don't provide
21588 my_* replacement functions. Prefer PTR over `pointer_type'.
21589 Don't prototype system functions. Don't redefine getopt.
21591 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
21592 safe_read, safe_write, save_pointers, restore_pointers,
21593 is_id_char, in_system_include_dir, directory_specified_p,
21594 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
21595 find_corresponding_lparen, referenced_file_is_newer,
21596 save_def_or_dec, munge_compile_params, gen_aux_info_file,
21597 process_aux_info_file, identify_lineno, check_source,
21598 seek_to_line, forward_to_next_token_char, output_bytes,
21599 output_string, output_up_to, other_variable_style_function,
21600 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
21601 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
21602 find_static_definition, connect_defs_and_decs, add_local_decl,
21603 add_global_decls, needs_to_be_converted, visit_each_hash_node,
21604 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
21605 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
21606 scan_for_missed_items, edit_file, string_list_cons): Add static
21608 (standard_exec_prefix, target_machine, target_version,
21609 default_syscalls_dir, string_list, string_list_cons, find_file,
21610 do_cleaning): Constify a char*.
21611 (safe_read, safe_write): Use PTR, not a char*.
21612 (is_id_char): Take an int, not a char.
21613 (main): Add prototype. Call return, not exit.
21615 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
21617 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
21618 when comparing types.
21620 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
21622 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
21623 (strength_reduce): Release the varrays from the no-bivs early exit.
21625 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
21626 the loop over the registers.
21628 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
21630 (restore_tree_status): Check that instead when freeing the obstack.
21632 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
21634 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
21637 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21639 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
21640 operand size modifiers.
21642 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21644 * c-common.c (c_common_nodes_and_builtins): Don't build
21646 * c-common.h (enum c_tree_index and related accesor macros): Remove
21647 everything now declared in tree.h.
21648 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
21649 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
21650 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
21651 (error_mark_node, void_type_node, char_type_node, integer_type_node,
21652 unsigned_type_node, ptr_type_node, va_list_type_node,
21653 integer_zero_node, null_pointer_node, integer_one_node): Delete.
21654 (init_decl_processing): Call build_common_tree_nodes and
21655 build_common_tree_nodes_2 instead of building their nodes here.
21656 Don't add roots for these nodes.
21657 * stor-layout.c (size_zero_node, size_one_node): Delete.
21658 (set_sizetype): Make a new node for bitsizetype each time.
21659 * tree.c (global_trees): New variable.
21660 (init_obstacks): Add a gc root for it.
21661 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
21662 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
21663 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
21664 (build_common_tree_nodes): New function.
21665 (fix_sizetype): New function.
21666 (build_common_tree_nodes_2): New function.
21667 * tree.h (enum tree_index): New.
21668 (global_trees): Declare.
21669 Add accessor macros for all nodes now moved to global_trees.
21670 Delete their declarations.
21672 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
21674 * c-decl.c (finish_function): When processing a nested function,
21675 push and pop GC context around rest_of_compilation.
21677 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
21679 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
21680 Default ix86_arch to PROCESSOR_I386.
21681 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
21682 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
21683 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
21684 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
21685 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
21686 (EXTRA_SPECS): Remove deleted specs.
21688 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
21690 * function.c (assign_stack_local_1): Allocate from
21691 function->x_frame_offset, not frame_offset.
21693 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
21695 * ggc.h (lang_cleanup_tree): Remove.
21696 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
21697 * ggc-callbacks.c (lang_cleanup_tree): Remove.
21699 * c-decl.c (finish_struct): Use ggc_alloc to allocate
21700 TYPE_LANG_SPECIFIC when garbage collecting.
21701 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
21702 (lang_cleanup_tree): Remove.
21704 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
21706 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
21707 * crtstuff.c: Not here.
21708 * dwarf2out.c: Or here.
21709 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
21712 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
21714 * function.h (free_after_compilation): Remove decl parameter.
21715 (free_varasm_status0: Likewise.
21716 (free_emit_status): Likewise.
21717 (free_stmt_status): Likewise.
21718 (free_after_compilation): Likewise.
21719 (init_lang_status): New variable.
21720 (free_lang_status): Likewise.
21721 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
21722 * function.c (init_lang_status): New variable.
21723 (free_lang_status): Likewise.
21724 (push_function_context_to): Don't set function::decl here.
21725 (free_after_copmilation): Make decl parameter implicit. Call
21726 free_lang_status if defined.
21727 (prepare_function_start): Call init_lang_status if defined.
21728 (init_function_start): Set function::decl here.
21729 * profile.c (output_func_start_profiler): Don't call pushdecl
21730 until we've actually started the function.
21731 * stmt.c (free_stmt_status): Make decl parameter implicit.
21732 * toplev.c (rest_of_compilation): Don't pass decl to
21733 free_after_compilation.
21734 * varasm.c (free_varasm_status): Likewise.
21736 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21738 * except.c (call_get_eh_context): Add root when allocating static
21741 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
21743 * arm.c: Include "ggc.h".
21744 (arm_add_gc_roots): New function.
21745 (arm_override_options): Call it.
21746 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
21748 * arm.md (define_asm_attributes): Add a pool_range attribute.
21750 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
21752 * extend.texi (Volatiles): New node.
21754 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
21756 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
21757 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
21758 (struct ggc_any): Replace `mark' with `magic_mark'.
21759 (ggc_alloc_string): Use memcpy, not bcopy.
21760 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
21761 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
21762 (ggc_free_any): New.
21763 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
21764 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
21765 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
21766 Use IS_MARKED. Use ggc_free_any.
21768 1999-09-09 Scott Bambrough <scottb@netwinder.org>
21770 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
21772 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
21774 * toplev.c (main): Always init_ggc.
21776 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
21778 * except.c (find_all_handler_type_matches): Free the list if
21779 we found no matches.
21781 * combine.c (SUBST): Break out to a real function do_SUBST.
21782 (SUBST_INT): Likewise.
21783 * gcse.c (free_pre_mem): Free `temp_bitmap'.
21784 (pre_insert): Free `inserted'.
21785 * loop.c (basic_induction_var): Always set `location'.
21787 * function.c (expand_function_end): Add initial_trampoline as a root.
21788 * rtl.h (init_varasm_once): Declare.
21789 * toplev.c (compile_file): Call it.
21790 * ggc-simple.c (ggc_mark_string_ptr): New.
21791 (ggc_add_string_root): New.
21792 (ggc_collect): Disable collection avoidance temporarily.
21793 * ggc.h (ggc_add_string_root): Declare.
21794 * except.c (create_rethrow_ref): Use ggc_alloc_string.
21795 * optabs.c (init_libfuncs): Likewise.
21796 * varasm.c (named_section): Use ggc_alloc_string.
21797 (make_function_rtl): Likewise.
21798 (make_decl_rtl): Likewise.
21799 (assemble_static_space): Likewise.
21800 (assemble_trampoline_template): Likewise.
21801 (output_constant_def): Likewise.
21802 (force_const_mem): Likewise.
21803 (mark_const_hash_entry): New.
21804 (mark_pool_sym_hash_table): New.
21805 (mark_varasm_state): Use it.
21806 (init_varasm_once): New.
21808 * expr.h (init_one_libfunc): Declare.
21809 * optabs.c (init_one_libfunc): New.
21810 (init_optabs): Use it.
21811 * config/gofast.h: Likewise.
21812 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
21813 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
21815 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
21817 * Makefile.in (cppexp.o): Depend on cpphash.h.
21818 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
21820 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
21821 * cpplib.c (do_define): Generalise to handle poisoned definitions,
21822 redefining poisoned identifiers, etc.
21823 (do_undef): Don't allow poisoned identifiers to be undefined.
21824 (do_pragma): Add #pragma poison.
21825 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
21827 * cccp.c: Add T_POISON node type.
21828 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
21830 (do_define): Generalise to handle poisoned definitions,
21831 redefining poisoned identifiers, etc.
21832 (do_undef): Don't allow poisoned identifiers to be undefined.
21833 (do_pragma): Add #pragma poison.
21834 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
21836 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
21837 * c-pragma.h: Add ps_poison state. We now always have generic
21840 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
21842 * ggc.h (ggc_alloc): New function.
21843 (ggc_mark): Likewise.
21844 * ggc-simple.c (ggc_any): New structure.
21845 (ggc_status): Add anys.
21846 (n_anys_collected): New variable.
21847 (ggc_alloc): Define.
21848 (ggc_mark): Likewise.
21849 (ggc_collect): Collect the anys.
21851 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21853 * c-decl.c (mark_binding_level): Make static to match prototype.
21855 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
21857 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
21859 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
21861 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
21862 will use into account. Expand the max width to 5.
21865 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
21867 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
21868 for the rtx length.
21870 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
21872 * alpha.md (call value patterns): Remove the result predicates.
21874 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
21876 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
21879 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21881 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
21882 changed from extern char *, to extern PTR. Also fix typo in
21883 NEED_DECLARATION_REALLOC test.
21885 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
21887 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21889 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
21890 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
21891 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
21892 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
21894 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
21896 * cccp.c (pcfinclude): Likewise.
21898 * global.c (allocno_compare): Likewise.
21900 * haifa-sched.c (rank_for_schedule): Likewise.
21902 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
21904 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
21906 * stupid.c (stupid_reg_compare): Likewise.
21908 * tree.c (_obstack_allocated_p): Likewise.
21910 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
21912 1999-09-08 Bruce Korb autogen@linuxbox.com
21914 * Makefile.in: Give the hapless gperf user a hint about
21915 why "gperf -F" fails.
21917 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
21919 * lists.c: Include ggc.h.
21921 (init_EXPR_INSN_LIST_cache): Install it.
21923 * ggc-simple.c (init_ggc): Absorb the old init.
21924 (ggc_push_context): Use xcalloc.
21925 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
21926 (ggc_collect): Add [rvts] tags to the collection stats.
21928 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
21930 * cccp.c (main): Fix handling of -include and -imacros options.
21932 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
21934 * cpplib.c (cpp_push_buffer): Fix order of arguments.
21936 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21938 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
21941 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21943 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
21944 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
21945 and SET_DEST. Update comment.
21947 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21949 * config/c4x/c4x.c: Include ggc.h.
21950 (c4x_add_gc_roots): New function.
21951 (c4x_override_options): Call c4x_add_gc_roots.
21953 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
21955 * defaults.h (TARGET_ESC): Move ...
21956 * system.h: ... here, where Linas had it in the first place. Silly me.
21958 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
21960 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
21961 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
21962 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
21963 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
21964 * defaults.h (TARGET_ESC): Add default.
21966 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
21968 * configure.in: add i370-*-openedition, i370-*-mvs and
21969 i370-*-linux targets
21971 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
21973 * dsp16xxx.c: Include ggc.h
21974 (override_options): Mark GC roots.
21975 * mn10200.c: Include ggc.h.
21976 (asm_file_start): Mark GC roots.
21977 * tahoe.c: Include ggc.h.
21978 (extensible_operand): Mark GC roots.
21980 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
21982 * README: Add section discussing status of ELF ABI.
21983 * i370.c: Fix misc spelling mistakes.
21984 (i370_label_scan): Updated notes, exception handling.
21985 (i370_function_prolog): Simplify ELF stack handling.
21986 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
21987 (STACK_GROWS_DOWNWARD): ELF stack grows down.
21988 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
21989 * i370.md: (movdi): Add notes.
21990 (floatsidf2): Use stack not rtca for scratch float area.
21991 (iorsi3): Correct operand constraints.
21992 * x-oe: Restore TAROUTOPTS which are used by pax.
21994 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
21996 * rs6000.c: Include ggc.h.
21997 (rs6000_add_gc_roots): New function.
21998 (override_options): Call it.
22000 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
22002 * alpha.h (alpha_compare): New.
22003 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
22004 * alpha.c: Likewise for the definitions.
22005 (alpha_emit_conditional_branch): Update for alpha_compare.
22006 (alpha_emit_conditional_move): Likewise.
22007 * alpha.md (cmpdf, cmpdi): Likewise.
22008 (setcc patterns): Likewise. Zero alpha_compare after use.
22009 (sne): Optimize (x != 0) into (0U < x).
22011 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
22013 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
22014 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
22015 (INIT_EXPANDERS): Remove.
22016 * alpha.c: Include ggc.h.
22017 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
22018 (alpha_init_machine_status, alpha_mark_machine_status): New.
22019 (override_options): Install them.
22020 (struct machine_function): Moved to alpha.h.
22021 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
22022 (alpha_init_expanders): Remove.
22023 (alpha_return_addr): Adjust to use current_function->machine.
22024 (alpha_ra_ever_killed): Likewise.
22025 (alpha_expand_epilogue): Likewise.
22026 * alpha.md (eh_epilogue): Likewise.
22028 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
22029 Melissa O'Neill <oneill@cs.sfu.ca>
22030 Geoffrey Keating <geoffk@cygnus.com>
22032 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
22033 call-used registers (call-saved registers must still be contiguous
22034 and end with r31, of course).
22036 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
22038 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
22039 (self_promoting_type_p): Delete.
22040 (self_promoting_args_p): Move ...
22041 * c-common.c: ... here.
22042 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
22043 (simple_type_promotes_to): New.
22044 * builtins.c (lang_type_promotes_to): New.
22045 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
22046 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
22047 * c-common.h: ... here.
22048 (self_promoting_args_p, simple_type_promotes_to): Declare.
22049 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
22050 (grokdeclarator): Likewise.
22051 * tree.h (lang_type_promotes_to): Declare.
22053 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
22055 Add some machine-dependent GC roots.
22056 * sparc.c: Include ggc.h.
22057 (sparc_add_gc_roots): New function.
22058 (mark_ultrasparc_pipeline_state): Likewise.
22059 (override_options): Call sparc_add_gc_roots.
22060 * pa.c: Include ggc.h.
22061 (pa_add_gc_roots): New function.
22062 (mark_deferred_plabels): Likewise.
22063 (override_options): Call pa_add_gc_roots.
22064 * mips.c: Include ggc.h.
22065 (mips_add_gc_roots): New function.
22066 (override_options): Use it.
22068 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22070 * cpperror.c (cpp_file_line_for_message): Constify a char*.
22072 * cppexp.c (parse_number, parse_charconst, cpp_lex,
22073 cpp_parse_expr): Add static prototypes.
22074 (parse_charconst): Don't cast away const-ness.
22075 (token): Constify a char*.
22077 * cppfiles.c (file_name_list, include_hash, find_include_file,
22078 finclude, initialize_input_buffer): Constify a char*.
22079 (file_cleanup, find_position): Add static prototypes.
22081 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
22082 collect_expansion): Add static prototypes.
22083 (cpp_install, create_definition, monthnames): Constify a char*.
22085 * cpphash.h (cpp_install): Likewise.
22087 * cppinit.c (known_suffixes, default_include,
22088 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
22089 (base_name, dump_special_to_buffer, initialize_dependency_output):
22090 Add static prototypes.
22092 * cpplib.c (my_strerror): Constify a char*.
22093 (null_underflow, null_cleanup, skip_comment, copy_comment,
22094 copy_rest_of_line, handle_directive, pass_thru_directive,
22095 get_directive_token, read_line_number, cpp_print_file_and_line,
22096 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
22097 v_cpp_warning_with_line, detect_if_not_defined,
22098 consider_directive_while_skipping): Add static prototypes.
22099 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
22100 cpp_pedwarn_with_file_and_line): Constify a char*.
22102 * cpplib.h (cpp_options, include_hash, progname, definition,
22103 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
22104 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
22105 find_include_file, deps_output, include_hash): Constify a char*.
22107 * cppmain.c (progname): Constify.
22108 (main): Add prototype. Use return, not exit.
22110 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
22111 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
22112 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
22113 check_protection): Add static prototype.
22115 (progname, recognized_macrom, recognized_extern): Constify a char*.
22116 (main): Add prototype.
22118 * gen-protos.c (progname): Constify a char*.
22120 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
22122 * emit-rtl.c (free_emit_status): Take decl as a parameter.
22123 (init_emit_once): Add more GC roots.
22124 * except.c (mark_func_eh_entry): New function.
22125 (mark_eh_node): Mark false_label and rethrow_label.
22126 (init_eh): Add more GC roots.
22127 * function.c (free_after_compilation): Take decl as a paramter.
22128 Call free_stmt_status.
22129 (mark_function_state): Don't assume x_parm_reg_stack_loc is
22131 * function.h (free_after_compilation): Change prototype.
22132 (free_varasm_status): Likewise.
22133 (free_emit_status): Likewise.
22134 (free_stmt_status): New function.
22135 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
22136 Remove, replacing with ...
22137 (ggc_status): New structure.
22138 (ggc_chain): New variable.
22139 (init_gcc): Define.
22140 (ggc_push_context): New function.
22141 (ggc_pop_context): Likewise.
22142 (ggc_alloc_rtx): Adjust for use of ggc_chain.
22143 (ggc_alloc_rtvec): Likewise.
22144 (ggc_alloc_tree): Likewise.
22145 (ggc_alloc_string): Likewise.
22146 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
22147 (ggc_mark_tree): Give language-dependent code a chance to mark
22149 (ggc_mark_tree_varray): Handle empty arrays.
22150 (ggc_collect): Adjust for use of ggc_chain. Clear
22151 bytes_alloced_since_last_gc.
22152 * ggc.h (ggc_pop_context): New function.
22153 (ggc_push_context): Likewise.
22154 * print-tree.c (print_node): Don't print obstacks when GC'ing.
22155 * stmt.c (free_stmt_status): New function.
22156 (init_stmt_for_function): Clear last_expr_value.
22157 * toplev.c (rest_of_compilation): Always call free_after_compilation.
22158 Conditionalize call to ggc_collect.
22159 (main): Call init_ggc.
22160 * tree.c (push_obstacks): Do the push, even when GC'ing.
22161 (push_obstacks_nochange): Likewise.
22162 (pop_obstacks): Liekwise.
22163 * varasm.c (free_varasm_status): Take decl as a parameter.
22165 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
22167 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
22168 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
22169 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
22170 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
22172 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
22174 * pa/x-pa-mpeix: New file for the MPE port.
22176 * pa/quadlib.asm: New file for long double support.
22178 * configure.in: Add hppa1.0-*-mpeix for MPE port.
22179 * configure: Rebuilt.
22181 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
22183 * final.c (shorten_branches): Fix last change.
22185 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
22187 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
22189 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
22191 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
22194 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22196 * c-aux-info.c (concat): Don't define.
22198 * cccp.c (my_strerror): Likewise. All callers changed to use
22200 (do_include): Call xstrdup, not xmalloc/strcpy.
22201 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
22202 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
22204 * collect2.c (my_strsignal): Likewise. All callers changed to use
22206 (locatelib): Call xstrdup, not xmalloc/strcpy.
22208 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
22210 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
22212 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
22214 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
22216 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
22218 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
22220 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
22222 (find_all_handler_type_matches): Likewise. Don't check return
22224 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
22225 xmalloc, not malloc.
22226 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
22228 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
22229 (init_spec): Call xcalloc, not xmalloc/bzero.
22230 (set_spec): Call xstrdup, not save_string.
22231 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
22232 (find_a_file): Call xstrdup, not xmalloc/strcpy.
22233 (process_command): Call xstrdup, not save_string.
22234 (main): Call xcalloc, not xmalloc/bzero.
22236 * gcov.c (xmalloc): Don't define.
22237 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
22238 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
22239 (output_data): Call xcalloc, not xmalloc/bzero.
22241 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
22243 * mips-tdump.c (xmalloc): Don't define.
22244 (print_symbol): Call xmalloc, not malloc.
22245 (read_tfile): Call xcalloc, not calloc.
22247 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
22248 Don't define. All callers of xfree/my_strsignal changed to use
22249 free/strsignal instead.
22250 (allocate_cluster): Call xcalloc, not calloc.
22252 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
22253 Fix memory leak, free allocated memory.
22255 * prefix.c (translate_name): Call xstrdup, not save_string.
22256 (update_path): Likewise.
22258 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
22260 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
22261 Don't define. Callers of xfree/savestring2 changed to use
22262 free/concat instead.
22264 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
22265 (init_elim_table): Likewise.
22267 * resource.c (init_resource_info): Likewise.
22269 * stupid.c (stupid_life_analysis): Likewise.
22271 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
22272 (open_dump_file): Call concat, not xmalloc/strcpy/...
22273 (clean_dump_file): Likewise.
22274 (compile_file): Call xstrdup, not xmalloc/strcpy.
22276 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
22278 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
22279 * v850.c (v850_va_arg): New.
22281 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22283 * haifa-sched.c: Tidy comments.
22285 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22287 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
22288 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
22289 $(out_object_file)): Depend on ggc.h.
22290 * c-common.c: Include "ggc.h".
22291 (combine_strings): If doing GC, use ggc_alloc_string.
22292 * c-decl.c: Include "ggc.h".
22293 (ggc_p): Define with value 0.
22294 (mark_binding_level): New function.
22295 (init_decl_processing): Add GC roots.
22296 (mark_c_function_context): New function.
22297 (lang_mark_false_label_stack): New function.
22298 (lang_mark_tree): New function.
22299 (lang_cleanup_tree): New function.
22300 * c-lang.c: Include "ggc.h".
22301 (lang_init): Call c_parse_init.
22302 * c-lex.c: Include "ggc.h".
22303 (check_linenum): If doing GC, don't copy filenames to permanent
22305 * c-parse.in: Include "ggc.h".
22306 (c_parse_init): New function.
22307 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
22308 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
22310 * except.c (mark_eh_state): Mark more state.
22311 * function.c (mark_function_state): Likewise.
22312 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
22313 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
22314 * toplev.c (mark_file_stack): New function.
22315 (compile_file): If doing GC, use ggc_alloc_string on input filename.
22316 (main): Add root for input_file_stack.
22318 * i386.c: Include "ggc.h".
22319 (ix86_mark_machine_status): New function.
22320 (override_options): Set mark_machine_status.
22322 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22324 * tree.c (copy_node): Copy node contents also if doing GC.
22326 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22328 * collect2.c (scan_libraries): Fix double-thinko :-).
22330 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
22332 * collect2.c (scan_libraries): Fix thinko.
22334 * cse.c (delete_trivially_dead_insns): Do not skip the last
22335 insn if it is a real insn.
22337 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
22339 * Makefile.in (ggc-simple.o): Depend on hash.h.
22340 * ggc.h (ggc_add_tree_hash_table_root): Declare.
22341 (ggc_mark_tree_varray): Likewise.
22342 (ggc_mark_tree_hash_table): Likewise.
22343 * ggc-simple.c: Include hash.h.
22344 (ggc_mark_tree_hash_table_ptr): New function.
22345 (ggc_mark_tree_hash_table_entry): Likewise.
22346 (ggc_mark_tree_hash_table): Likewise.
22347 (ggc_add_tree_hash_table_root): Likewise.
22348 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
22349 rtx, when defining fields.
22351 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22353 * profile.c (output_func_start_profiler): Remove apparently
22354 nonsensical call to start_sequence.
22356 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
22358 * clipper/clipper.c (clipper_va_start): Fix typos.
22360 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
22361 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
22362 (spur_va_arg): New stub.
22364 * configure.in: Comment out pyramid.
22366 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
22368 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
22369 don't conflict with the bits that win32, cygwin, and dgux
22372 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
22373 Bernd Schmidt <bernds@cygnus.co.uk>
22375 * integrate.c (function_cannot_inline_p): Do not inline
22376 functions with forced labels.
22378 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
22379 Bernd Schmidt <bernds@cygnus.co.uk>
22380 Mark Mitchell <mark@codesourcery.com>
22382 * Makefile.in (ggc-simple.o): Depend on varray.h.
22383 (rtl.o): Depend on ggc.h.
22384 (genattrtab.o): Depend on ggc.h.
22385 (print-tree.o): Likewise.
22386 (fold-const.o): Likewise.
22387 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
22388 (make_insn_raw): Don't cache insns when GC'ing.
22389 (emit_insn_before): Likewise.
22390 (emit_insn_after): Likewise.
22391 (emit_insn): Likewise.
22392 (start_sequence): Use xmalloc to allocate the sequence_stack.
22393 (end_sequence): Add free to free it.
22394 (gen_sequence): Don't cache insns when GC'ing.
22395 (clear_emit_caches): Don't use sequence_element_free_list.
22396 (init_emit): Use xcalloc, not xmalloc+bzero.
22397 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
22398 * function.c (pop_function_context_from): Use free to free the
22399 fixup_var_refs_queue.
22400 (put_reg_into_stack): Allocate it with xmalloc.
22401 * genattrtab.c: Include ggc.h.
22402 (operate_exp): Don't use obstack_free when GC'ing.
22403 (simplify_cond): Likewise.
22404 (simplify_text_exp): Likewise.
22405 (optimize_attrs): Likewise.
22406 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
22408 (gencode): Generate a #include for ggc.h.
22409 * ggc-callbacks.c (ggc_p): Define it to zero.
22410 * ggc-none.c (ggc_p): Likewise.
22411 * ggc-simple.c: Include varray.h.
22412 (ggc_mark_tree_varray): New function.
22413 (ggc_add_tree_varray_root): Likewise.
22414 (ggc_mark_tree_varray_ptr): Likewise.
22415 * ggc.h (ggc_p): Declare.
22416 (varray_head_tag): Likewise.
22417 (ggc_add_tree_varray_root): Declare.
22418 * print-tree.c (print_node): Don't check for TREE_PERMANENT
22419 inconsistencies when GC'ing.
22420 * rtl.c: Include ggc.h.
22421 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
22422 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
22423 (rtx_free): Don't call obstack_free when GC'ing.
22424 * toplev.c (rest_of_compilation): Call ggc_collect after every
22426 * tree.c (push_obstacks): Do nothing, if GC'ing.
22427 (pop_obstacks_nochange): Likewise.
22428 (pop_obstacks): Likewise.
22429 (make_node): Use ggc_alloc_tree when GC'ing.
22430 (copy_node): Likewise.
22431 (get_identifier): Use ggc_alloc_string when GC'ing.
22432 (build_string): Likewise.
22433 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
22434 (tree_cons): Likewise.
22435 (build1): Likewise.
22436 (type_hash_canon): Don't call obstack_free when GC'ing.
22438 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
22440 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
22441 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
22443 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
22444 Bernd Schmidt <bernds@cygnus.co.uk>
22445 Mark Mitchell <mark@codesourcery.com>
22447 * Makefile.in (stor-layout.o): Depend on ggc.h.
22448 (expr.o): Depend on ggc.h.
22449 (profile.o): Depend on ggc.h.
22450 (stor-layout.o): Depend on ggc.h.
22451 * emit-rtl.c (init_emit_once): Add gc roots.
22452 * expr.c: Include ggc.h.
22453 (emit_block_move): Add gc roots.
22454 (clear_storage): Likewise.
22455 * expr.h (init_stor_layout_once): New function.
22456 * profile.c: Include ggc.h.
22457 (init_arc_profiler): profiler_label is a root.
22458 * scan.c (make_sstring_space): Trust xrealloc to function
22459 correctly with first parameter NULL.
22460 * stor-layout.c: Include ggc.h.
22461 (set_sizetype): Add gc root.
22462 (init_stor_layout_once): New function.
22463 * toplev.c (compile_file): Call it.
22465 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
22466 Bernd Schmidt <bernds@cygnus.co.uk>
22467 Mark Mitchell <mark@codesourcery.com>
22469 * Makefile.in (tree.o): Depend on ggc.h.
22470 (varasm.o): Likewise.
22471 (function.o): Likewise.
22472 (stmt.o): Likewise.
22473 (except.o): Likewise.
22474 (optabs.o): Likewise.
22475 (emit-rtl.o): Likewise.
22476 * emit-rtl.c: Include ggc.h.
22477 (sequence_element_free_list): Remove, and all references.
22478 (mark_sequence): New functions.
22479 (mark_emit_state): New function.
22480 * except.c: Include ggc.h.
22481 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
22482 (mark_tree_label_node): New functions.
22483 (mark_eh_state): New function.
22484 * function.c: Include ggc.h.
22485 (mark_temp_slot, mark_function_chain): New functions.
22486 (mark_function_state): New function.
22487 (init_function_once): New function.
22488 * function.h (init_function_once): New function.
22489 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
22490 * ggc.h (label_node): Declare.
22491 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
22492 (lang_mark_false_label_stack): New function.
22493 (mark_temp_slot): Remove declaration.
22494 (mark_function_chain): Likewise.
22495 (mark_eh_state): Adjust prototype.
22496 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
22498 * optabs.c: Include ggc.h.
22499 (mark_optab): New function.
22500 (init_optabs): Add gc roots.
22501 * stmt.c: Include ggc.h.
22502 (mark_cond_nesting, mark_loop_nesting): New functions.
22503 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
22504 (mark_stmt_state): New function.
22505 * toplev.c (compile_file): Call init_function_once.
22506 * tree.c: Include ggc.h.
22507 (type_hash): Move declaration earlier in file.
22508 (TYPE_HASH_SIZE, type_hash_table): Likewise.
22509 (init_obstacks): Add gc roots.
22510 (mark_type_hash): New function.
22511 * varasm.c: Include ggc.h.
22512 (mark_pool_constant): New function.
22513 (mark_varasm_state): New function.
22515 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22517 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
22519 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22521 * c-decl.c (struct language_function): Renamed from struct c_function.
22523 (c_function_chain): Delete.
22524 (push_c_function_context): New arg F. Don't warn about nested
22525 functions here. Fill LANGUAGE elt of F. Delete code to update
22526 c_function_chain. Don't call push_function_context.
22527 (pop_c_function_context): New arg F. Restore from there instead of
22528 from c_function_chain. Don't call pop_function_context. Clear out
22529 LANGUAGE field of F when done.
22530 * c-lang.c: Include "function.h"
22531 (lang_init): Initialize save_lang_status and restore_lang_status.
22532 * c-parse.in (nested_function, nested_function_notype): Warn about
22533 nested functions. Call push_function_context/pop_function_context
22534 instead of the _c_ variants.
22535 * c-tree.h (push_c_function_context, pop_c_function_context): Update
22537 * Makefile.in (c-lang.o): Update dependencies.
22539 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
22540 regno_pointer_flag, regno_pointer_align.
22541 (gen_reg_rtx): Use xrealloc to enlarge them.
22542 (free_emit_status): New function.
22543 * function.c (mark_machine_status, mark_lang_status): New variables.
22544 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
22545 in some bits from assign_stack_local. All callers changed to use new
22547 (assign_stack_local): Just call assign_stack_local_1.
22548 (free_after_compilation): New function.
22549 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
22550 (trampoline_address): Likewise.
22551 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
22552 (prepare_function_start): Explicitly clear some more variables.
22553 * function.h (struct function): New elt can_garbage_collect.
22554 (mark_machine_status, mark_lang_status): Declare variables.
22555 (free_after_compilation, free_emit_status, free_varasm_status,
22556 init_varasm_status): Declare functions.
22557 * toplev.c (rest_of_compilation): Call free_after_compilation when
22558 done with the current function.
22559 * varasm.c (free_varasm_status): New function.
22561 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
22563 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
22564 (EXPAND_BUILTIN_VA_ARG): Define.
22565 * sparc.c (sparc_va_start): New.
22566 (sparc_va_arg): New.
22568 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22570 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
22572 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22574 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
22576 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
22578 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
22579 (OBJS): Add $(GGC).
22580 (ggc-callbacks.o): New target.
22581 * ggc-callbacks.c: New file.
22583 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22585 * expr.h: Collapse individual optab and libfunc vars to arrays.
22586 (optab_index, libfunc_index): New enumerations.
22587 (optab_table, libfunc_table): New arrays.
22588 Add accessor macros for both.
22590 * optabs.c (optab_table, libfunc_table): New.
22591 Delete declarations for individual optab and libfunc vars.
22593 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
22595 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
22597 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
22599 * Makefile.in (GGC, GGC_LIB): New.
22600 (HOST_RTL): Include ggc-none.o.
22601 (ggc-simple.o): New target.
22602 (ggc-none.o): Likewise.
22603 * tree.h (tree_common): Add gc_mark.
22604 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
22605 (struct rtvec_def): Add gc_mark.
22606 * emit-rtl.c (global_rtl): Update static initializers to contain
22607 enough initializers.
22608 * ggc.h, ggc-none.c, ggc-simple.c: New files.
22609 * toplev.c (gc_time): New variable.
22610 (all_time): New variable.
22611 (compile_file): Print gc time.
22612 (print_time): Calculate percentage of the whole.
22614 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22616 Change obstack memory management and varasm constant pool handling so
22617 that nested functions are treated like any other functions.
22618 * function.c (init_machine_status): New variable.
22619 (push_function_context_to): Set contains_functions for the outer
22620 function. Don't call save_varasm_status.
22621 (pop_function_context_from): Don't call restore_varasm_status. Don't
22622 set current_function_contains_functions.
22623 (prepare_function_start): Call init_varasm_status rather than
22624 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
22626 * function.h (struct function) Add field varasm. Delete fields
22627 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
22628 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
22629 (init_machine_status): Declare.
22630 (save_varasm_status, restore_varasm_status): Delete declarations.
22631 (save_tree_status, restore_tree_status): Delete last argument.
22632 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
22633 code. All callers changed.
22634 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
22635 save_constants_in_decl_trees, restore_constants, save_constants,
22636 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
22638 (inlining): New variable.
22639 (reg_map, label_map, insn_map, orig_asm_operands_vector,
22640 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
22642 (save_for_inline_nocopy): Don't save constants.
22643 Don't set inl_emit field in current_function.
22644 (expand_inline_function): Use emit field, not inl_emit, of the inlined
22645 function. Set new variable inlining before
22646 calling copy_rtx_and_substitute.
22647 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
22648 constant pool references if inlining is nonzero.
22649 Delete ADDRESS and (most of the) CONST cases.
22650 (output_inline_function): Save and restore current_function/
22651 current_function_decl. Delete restore_constants code. Don't call
22652 init_const_rtx_hash_table.
22653 * output.h (init_const_rtx_hash_table): Don't declare.
22654 * rtl.h (struct function): Declare.
22655 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
22656 * toplev.c (rest_of_compilation): Don't treat nested functions or
22657 functions containing them specially. Delete all code to deal with
22658 save_for_inline_copying.
22659 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
22660 inline_obstacks): Delete variables.
22661 (save_tree_status): Lose arg CONTEXT. All callers changed.
22662 Simply allocate a new function_maybepermanent_obstack for the new
22663 function, delete all the special cases.
22664 Don't save inline_obstacks.
22665 (restore_tree_status): Lose arg CONTEXT. All callers changed.
22666 Delete special handling for function_maybepermanent_obstack; simply
22668 Don't restore inline_obstacks.
22669 (permanent_allocation): Delete code that frees inline_obstacks.
22670 (print_inline_obstack_statistics): Delete function.
22671 (dump_tree_statistics): Don't call it.
22672 * varasm.c (struct varasm_status): New.
22673 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
22674 last_pool, pool_offset, const_double_chain): Delete global
22675 variables, replace with accessor macros.
22676 (immed_double_const): Don't walk const_double_chain outside a
22677 function, but don't treat nested functions specially anymore.
22678 (immed_real_const_1): Likewise.
22679 (clear_const_double_mem): Don't treat nested functions specially.
22680 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
22681 (save_varasm_status, restore_varasm_status): Delete functions.
22682 (init_varasm_status): New function.
22683 (force_const_mem): Don't treat nested functions specially.
22684 (find_pool_constant): Accept new arg F, search for constants in
22685 that function's pool rather than the current one. All callers
22687 (get_pool_constant_for_function, get_pool_mode_for_function): New
22690 * i386.c (init_386_machine_status): New function, mostly from
22691 clear_386_stack_locals.
22692 (struct machine_functions): Rename element names to avoid name
22694 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
22695 macros, replacing global variables.
22696 (clear_386_stack_locals, save_386_machine_status,
22697 restore_386_machine_status): Delete functions.
22698 (override_options): Initialize init_machine_status.
22699 * i386.h (INIT_EXPANDERS): Delete macro.
22700 (save_386_machine_status, restore_386_machine_status,
22701 clear_386_stack_locals): Delete declarations.
22703 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22705 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
22706 (doloop_begin): Simplify pattern and use emit_jump_insn.
22707 (doloop_end): Simplify pattern, switch operand order,
22708 and use emit_jump_insn.
22710 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22712 * function.h (struct function): Add new element LANGUAGE.
22713 (save_lang_status): Declare new variable.
22714 (restore_lang_status): Likewise.
22715 * function.c (save_lang_status): Define.
22716 (restore_lang_status): Likewise.
22717 (push_function_context_to): Call language-specific save function.
22718 (pop_function_context_from): Call language-specific restore function.
22720 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22722 * i386.md (movsf_1): Check REG_P before use of REGNO.
22723 (movdf_1): Likewise.
22724 (movxf_1): Likewise.
22725 (extendsfdf2): Likewise.
22726 (extendsfxf2): Likewise.
22727 (extenddfxf2): Likewise.
22729 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22731 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
22732 constants into memory.
22733 (c4x_shiftable_constant): New function.
22734 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
22735 (c4x_shiftable_constant): Declare.
22736 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
22737 ashlqi3_noclobber): Add new patterns and associated splitters.
22739 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
22741 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
22742 * dwarf2out.c (dwarf2out_frame_init): Likewise.
22743 * final.c (shorten_branches): Likewise.
22744 * global.c (global_alloc): Likewise.
22745 * haifa-sched.c (build_control_flow): Likewise.
22746 * stmt.c (check_for_full_enumeration_handling): Likewise.
22747 (estimate_case_costs): Likewise.
22749 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
22751 * rtl.h (RTL_CHECKC2): Fix typo in last change.
22753 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
22755 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
22756 (recompute_reg_usage): Likewise.
22757 * rtlanal.c (find_regno_fusage): Likewise.
22759 * rtl.c (rtl_check_failed_code1): New function.
22760 (rtl_check_failed_code2): New.
22761 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
22762 (RTL_CHECKC1, RTL_CHECKC2): New.
22763 (XC*): New accessor macros.
22764 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
22765 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
22766 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
22767 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
22768 (TRAP_*, RANGE_INFO_*): Likewise.
22770 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22772 * Makefile.in (tlink.o): Don't depend on toplev.h.
22774 * collect2.c (c_file, o_file, export_file, import_file, ldout,
22775 output_file, nm_file_name, ldd_file_name, strip_file_name,
22776 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
22777 add_prefix, prefix_from_env, prefix_from_string, do_wait,
22778 fork_execute, maybe_unlink, add_to_list,
22779 extract_init_priority, write_list, dump_list,
22780 dump_prefix_list, write_list_with_asm, write_c_file,
22781 write_c_file_stat, write_c_file_glob, scan_prog_file,
22782 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
22783 ignore_library, extract_string, notice, dump_file, target_machine,
22784 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
22785 read_file, print_load_command): Constify a char*.
22786 (fdopen, error, fatal, fatal_perror): Don't prototype.
22787 (my_strerror): Remove. All callers use xstrerror instead.
22788 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
22789 (main): Add prototype. Constify lots of char* ptrs. Change calls
22790 to xcalloc/strcpy/strcat/... to one call to concat.
22791 (main, scan_prog_file, scan_libraries): Use an intermediate
22792 `const char **' to build an argv array.
22793 (mapfile, libselect, libcompare, locatelib): Add prototypes.
22795 * collect2.h (collect_execute, collect_wait, dump_file,
22796 file_exists): Constify a char*.
22797 (ldout, c_file_name, temporary_obstack, permanent_obstack,
22798 temporary_firstobj, vflag, debug): Add extern declarations.
22799 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
22801 * tlink.c: Don't include toplev.h.
22802 (vflag, debug, ldout, c_file_name, temporary_obstack,
22803 permanent_obstack, temporary_firstobj): Don't declare.
22804 (tlink_execute, frob_extension, symbol_hash_lookup,
22805 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
22806 recompile_files, read_repo_files, demangle_new_symbols,
22807 scan_linker_output): Constify a char*.
22808 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
22809 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
22811 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
22813 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
22814 (relative) rather than jsr (absolute) subroutine call insns.
22815 * config/m68k/m68k-coff.h: Ditto.
22817 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
22819 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
22820 now rework these too.
22821 (arm_reorg): If an insn can't reach the end of the current pool,
22822 ensure that we emit that pool before the insn.
22824 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
22826 * tlink.c (scan_linker_output): Skip the initial underscore in
22827 a mangled name if appropriate.
22829 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22831 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
22832 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
22833 error_with_ivar, gen_declarator, create_builtin_decl,
22834 my_build_string, generate_descriptor_table, generate_ivars_list,
22835 generate_dispatch_table, check_protocols, TAG_GETCLASS,
22836 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
22837 dump_base_name, lang_decode_option, build_encode_expr,
22838 start_class, finish_class, encode_pointer, really_start_method,
22839 gen_declaration, dump_interface, handle_class_ref, handle_impent):
22841 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
22842 Add static prototypes.
22843 (build_objc_string_decl, build_selector_reference_decl,
22844 encode_bitfield, build_class_reference_decl): Remove unused
22845 parameter, all callers changed.
22846 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
22847 (objc_printable_name): Likewise. Change second parameter to type int.
22848 (init_objc): Use memcpy, not bcopy, to avoid casts.
22850 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
22852 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
22853 reg notes on a deleted insn.
22854 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
22856 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
22858 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
22860 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22862 * stmt.c (expand_asm_operands): Fix index into inout_mode when
22865 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
22867 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
22868 * tm.texi (MD_ASM_CLOBBERS): Document it.
22870 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
22872 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
22873 * except.c (expand_rethrow): Remove unused variable.
22874 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
22875 * flow.c (replace_insns): Likewise.
22876 (create_edge_list, verify_edge_list): Likewise.
22877 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
22879 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
22880 is special code to run.
22881 (main): Don't define operands to emit_operand.
22882 * genrecog.c (main): Don't emit an empty peephole2_insn function.
22884 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
22886 * alpha/alpha.h (normal_memory_operand): Declare.
22887 (reg_no_subreg_operand): Declare.
22888 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
22890 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
22892 * c-parse.in (compstmt_primary_start): New, broken out of first
22893 part of compstmt handling in primary.
22894 (primary): Use it. Add an error clause.
22895 (compstmt_nostart): Renamed from compstmt; remove all
22896 initial invocations of compstmt_start.
22899 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
22901 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
22904 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
22906 * combine.c (simplify_shift_const): Remove extra semicolon.
22907 * dwarf2out.c (remove_AT): Likewise.
22908 * expmed.c (expand_mult): Likewise.
22909 * gcov.c (create_program_flow_graph): Likewise.
22910 * reorg.c (mostly_true_jump): Likewise.
22912 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
22914 * fold-const.c (fold_range_test): Do not try to fold the range
22915 test if the rhs or lhs has side effects.
22917 * combine.c (simplify_rtx): Recognize another case of a synthesized
22920 * varasm.c (mark_constant_pool): When marking indirect references,
22921 only look at SYMBOL_REFs.
22923 * except.c (expand_fixup_region_end): Do not peek at
22924 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
22926 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
22928 * flags.h: New variables align_loops, align_loops_log,
22929 align_jumps, align_jumps_log, align_labels, align_labels_log,
22930 align_functions, align_functions_log.
22931 * toplev.c: Define them.
22932 (f_options): Handle -falign-* when they have no argument.
22933 (main): Add logic to set variables for -falign-functions,
22934 -falign-jumps, -falign-labels, -falign-loops.
22935 Make it -fsched-verbose=<n> and -finline-limit=<n>.
22936 (display_help): Change help to match options.
22937 * final.c (LABEL_ALIGN): Default to align_labels_log.
22938 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
22939 (LOOP_ALIGN): Default to align_loops_log.
22940 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
22941 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
22942 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
22943 * varasm.c (assemble_start_function): Handle align_functions.
22945 * config/sparc/sparc.h: Don't declare sparc_align_*.
22946 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
22947 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
22949 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
22951 * config/sparc/sparc.c: Delete sparc_align_loops,
22952 sparc_align_jumps, sparc_align_funcs and the corresponding string
22954 (sparc_override_options): Default align_functions on ultrasparc.
22955 Delete -malign-* handling.
22957 * config/mips/mips.c (override_options): On 64-bit targets,
22958 try to align code to 64-bit boundaries.
22959 (print_operand): New substitution, %~,
22960 which aligns labels to align_labels_log.
22961 * config/mips/mips.md (div_trap_normal): Use %~.
22962 (div_trap_mips16): Likewise.
22964 (absdi2): Likewise.
22965 (ffssi2): Likewise.
22966 (ffsdi2): Likewise.
22967 (ashldi3_internal): Likewise.
22968 (ashrdi3_internal): Likewise.
22969 (lshrdi3_internal): Likewise.
22970 (casesi_internal): Likewise.
22972 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
22974 Merge new ia32 backend from the branch!
22976 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
22977 See ChangeLog.P2 on new_ia32_branch for details.
22979 * rtl.h (stack_regs_mentioned_p): Delete prototype.
22980 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
22981 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
22982 * i386/gas.h (ASM_FILE_START): Define.
22983 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
22984 for name change of ix86_valid_decl_attribute_p.
22985 (i386_pe_valid_type_attribute_p): Similarly.
22987 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
22989 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
22990 to step through CC modes.
22992 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22994 * regmove.c (fixup_match_1): Don't move INSN in front of P if
22995 it would end up in the shadow of a live flags regsiter.
22997 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22999 * reload1.c: Fix many indentation problems.
23000 * reload.c: Likewise.
23002 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
23004 * alias.c (non_local_reference_p): Constify fmt.
23006 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
23008 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
23010 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
23012 * cse.c (delete_trivially_dead_insns): Do not delete stores to
23013 the internal_arg_pointer.
23015 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
23017 Merge peephole2 from new_ia32_branch:
23018 * Makefile.in (STAGESTUFF): Add *.peephole2.
23019 (mostlyclean): Likewise.
23020 (recog.o): Depend on resource.h.
23022 * final.c (peephole): Conditionalize decl on HAVE_peephole.
23023 (final_scan_insn): Likewise for the invocation of peephole.
23024 * genconfig.c (main): Look for peephole and peephole2 patterns.
23025 Emit HAVE_peephole* accordingly.
23026 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
23027 * flags.h (flag_peephole2): Declare.
23028 * toplev.c: New pass peephole2. New flag -fpeephole2.
23030 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
23031 * gencodes.c (main): Likewise.
23032 * genextract.c (main): Likewise.
23033 * genoutput.c (main): Likewise.
23034 * genemit.c (max_operand_1): Look for the max scratch operand.
23035 (gen_rtx_scratch): New.
23036 (gen_exp): Use it, and pass on new arg subroutine_type.
23037 (gen_expand): Take max scratch into account.
23038 (gen_split): Emit peephole2 functions.
23039 (output_peephole2_scratch): New.
23040 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
23041 * genrecog.c (routine_type): Add PEEPHOLE2.
23043 (make_insn_sequence): Match outer parallel for peep2. Discard
23044 top level scratches and dups.
23045 (add_to_sequence): New args insn_type and top. Update all callers.
23046 Handle toplevel peep2 matching insns.
23047 (write_subroutine): Handle peep2.
23048 (write_tree_1): Likewise.
23049 (write_tree): Likewise.
23051 (change_state): New arg afterward. Update all callers.
23052 Handle matching separate insns.
23053 * recog.c (recog_next_insn): New.
23054 (peephole2_optimize): New.
23055 * rtl.def (DEFINE_PEEPHOLE2): New.
23056 * resource.c (find_free_register): New argument last_insn. Use it
23057 to find a register available through the entire span.
23058 * resource.h (find_free_register): Update prototype.
23060 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
23062 * i386.c (output_strlen_unroll): Don't write xops[7]
23063 label if it wasn't set.
23065 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
23067 * cpplib.c (struct directive): Const-ify name pointer and
23068 function pointer prototype.
23069 (validate_else, do_define, do_line, do_include, do_undef,
23070 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
23071 do_elif, do_endif, do_sccs, do_assert, do_unassert,
23072 do_warning): Const-ify second arg.
23073 (directive_table): Mark const. Reorder entries by frequency
23074 of usage, record statistics.
23076 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
23078 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
23079 bounds- check RTL accesses if --enable-checking.
23080 (RTVEC_ELT): Bounds check if --enable-checking.
23081 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
23082 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
23083 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
23085 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
23086 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
23088 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
23089 (NOTE_SOURCE_FILE): Use X0STR.
23090 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
23091 MEM_ALIAS_SET): Use X0INT.
23092 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
23093 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
23095 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
23096 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
23097 (rtl_check_failed_bounds, rtl_check_failed_type1,
23098 rtl_check_failed_type2, rtvec_check_failed_bounds): New
23100 (fancy_abort): Fix comment.
23102 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
23103 (cse_insn): Decrement LABEL_NUSES for jump target before
23104 deleting jump insn.
23105 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
23106 * final.c (alter_subreg): Compute regno before changing x to
23107 REG; set REGNO(x) after changing it.
23108 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
23109 notes containing CONST_INTs.
23110 (delete_eh_regions): Use NOTE_EH_HANDLER.
23111 * function.c (put_reg_into_stack): Make reg a MEM before
23113 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
23115 (gen_mem_addressof): Make reg a MEM before initializing it.
23116 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
23118 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
23119 deleting an insn, not after.
23120 (block_alloc): Only look at PATTERN(insn) if we have to, and
23121 only if it's format class 'i'.
23122 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
23123 CONST_INT before using its INTVAL.
23124 * print-rtl.c (print_rtx): Use X0STR.
23125 * regmove.c (fixup_match_1): Don't look at PATTERN of
23126 non-class-'i' insn chain elements.
23127 * reload.c (loc_mentioned_in_p): Take address of
23128 in->fld[1].rtx directly.
23129 * reload1.c (reload): Change reg to a MEM before initializing
23131 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
23133 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
23135 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
23137 * config/mips/mips.c (machine_dependent_reorg): Force a
23138 barrier to output the local constant pool if a barrier hasn't
23139 been found at a natural point in the instruction stream.
23141 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23143 * c-parse.in (language_string): Constify.
23145 * dwarf2out.c (language_string): Remove declaration.
23147 * dwarfout.c (language_string): Likewise.
23149 * toplev.c (language_string, init_parse, finish_parse): Likewise.
23151 * tree.h (language_string, init_parse, finish_parse): Declare.
23153 * i386/sun386.h (language_string): Remove declaration.
23155 * mips.h (language_string): Likewise.
23157 * nextstep.h (language_string): Likewise.
23159 * nextstep21.h (language_string): Likewise.
23161 * rs6000.c (language_string): Likewise.
23163 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23165 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
23166 (getpwd.o): Remove target.
23168 * getpwd.c: Delete file. Its in libiberty now.
23170 * dbxout.c (getpwd): Don't prototype.
23171 * dwarf2out.c (getpwd): Likewise
23172 * dwarfout.c (getpwd): Likewise
23173 * final.c (getpwd): Likewise.
23174 * protoize.c (getpwd): Likewise.
23176 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23178 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
23180 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
23182 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
23183 mark_set_resources.
23185 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
23187 * fixinc/Makefile.in (subdir): New.
23188 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
23191 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
23193 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
23194 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
23197 * invoke.texi: Fix typo.
23199 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
23200 changed. Handle autoincrement addressing modes.
23202 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
23203 just like we would the virtual incoming args register when
23206 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
23208 * rs6000.h (ASM_FILE_START): Specify complete filename, including
23209 path, in .file directive.
23211 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
23213 * gcc.texi (External Bugs): Remove obsolete note about Perl on
23216 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
23218 * stdbool.h: Make the typedef name _Bool, with bool a #defined
23221 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23223 * tree.c (tree_code_name): Constify a char*.
23225 * tree.h (tree_code_name, decl_printable_name): Likewise.
23227 * function.h (struct function): Likewise.
23229 * toplev.c (decl_name, decl_printable_name): Likewise.
23231 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
23233 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
23234 (init_objc): Remove function pointer cast.
23236 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23238 * pa.md (interspace_jump): New pattern.
23239 (builtin_longjmp): New expander.
23241 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
23243 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
23244 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
23245 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
23247 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
23249 * jump.c (delete_prior_computation): Also check calls
23250 to constant functions. Don't bother checking for a
23251 REG_UNUSED note before adding it.
23252 (delete_computation): Handle multi-word hard registers
23253 when synthesizing missing REG_DEAD notes for a register
23254 which is both set and used by an insn.
23256 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23258 * loop.c (this_loop_info): New variable.
23259 (loop_has_call, loop_has_volatile, loop_has_tablejump,
23260 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
23262 (prescan_loop, strength_reduce): New argument loop_info. All callers
23264 (scan_loop): New variable loop_info, initialise to address of
23266 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
23267 Delete variable loop_has_multiple_exit targets and replace with
23268 field in this_loop_info.
23269 (find_and_verify_loops): Rename this_loop to this_loop_num.
23270 (strength_reduce): Delete loop_iteration_info. Replace variable
23271 loop_info with function argument of same name.
23272 (insert_bct): Rework test for loop being completely unrolled.
23274 * loop.h (struct loop_info): New fields num, loops_enclosed,
23275 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
23276 has_indirect_jump, and cont. Redefine use of unroll_number.
23277 (loop_unroll_number): Delete.
23279 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
23280 field of loop_info.
23281 (loop_iterations): Delete variable vtop and instead use
23282 loop_info->vtop computed in prescan_loop.
23284 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
23286 * fix-header.c (main): Do not pass a null pointer to strcmp.
23288 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
23290 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
23292 * configure: Rebuilt.
23294 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
23296 * jump.c (jump_optimize_1): Do not delete assignments to
23297 internal_arg_pointer.
23298 * cse.c (delete_trivially_dead_insns): Always consider a set of
23299 the internal_arg_pointer live.
23301 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
23303 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
23304 (update_life_info) [REG_WAS_0]: Search the original insns rather
23305 than the new insns for the note. Fix typos finding note_dest.
23306 If no dest found, discard the note rather than abort.
23307 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
23308 (replace_insns): Remove the old insn list after update_life_info
23311 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
23313 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
23314 sched_analyze_insn.
23315 (sched_analyze_1): Let add_dependence care for not adding dups.
23316 (sched_analyze_2): Likewise.
23317 (add_branch_dependences): Likewise.
23319 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
23321 * i386/winnt.c (export_list): New type.
23322 (exports_head): Rename to
23323 (export_head): this.
23324 (i386_pe_record_exported_symbol): Add is_data flag.
23325 (i386_pe_asm_file_end): Emit directive for exported variables.
23326 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
23328 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
23329 (ASM_DECLARE_OBJECT_NAME): Likewise.
23330 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23331 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
23333 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
23335 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
23337 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
23340 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
23342 * config/openbsd.h: Define SET_ASM_OP.
23343 * tm.texi: cross-reference SET_ASM_OP in the index.
23345 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
23347 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
23348 for a CONST_DOUBLE, at compile time. Initialize rtx_length
23349 and class_narrowest_mode at compile time. Kill init_rtl.
23350 Mark rtx_length, mode_class, mode_size, mode_unit_size,
23351 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
23352 rtx_format as const. Kill all references to EXTRA_CC_MODES or
23354 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
23356 * rtl.h: Declare rtx_length and rtx_format as const.
23357 * machmode.def: Define CC(). Use CC() to define CCmode. If
23358 EXTRA_CC_MODES is defined, expand it here.
23359 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
23360 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
23361 const. Kill all references to EXTRA_CC_MODES.
23363 * toplev.c: Don't prototype or call init_rtl.
23364 * optabs.c: Don't call init_mov_optab.
23365 * genemit.c: Don't generate init_mov_optab. Don't call
23367 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
23369 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
23370 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
23371 genrecog.c: Don't call init_rtl.
23373 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
23374 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
23375 definition of EXTRA_CC_MODES.
23377 * md.texi: Kill ref to EXTRA_CC_NAMES.
23378 * tm.texi: Document new way to define EXTRA_CC_MODES.
23380 * genrecog.c: Do not look up the name of a define_split.
23381 (Unrelated bugfix.)
23383 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
23385 * config/v850/v850.md: Fix typo introduced by previous delta.
23387 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23389 * gcc.c (fatal): Make definition static to match prototype.
23391 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23393 * combine.c (get_last_value): Don't look for earlier sets if the last
23394 known set is somewhere in between the insns being combined.
23396 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
23398 * configure.in: Don't use shell ! to negate exit codes
23399 * configure: Regenerate
23401 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
23403 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
23404 the fact that ALIGN is measured in bits, not bytes.
23406 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
23408 * errors.c: New file; defines functions error, warning, and
23409 fatal, variables have_error and progname.
23410 * errors.h: New file; prototypes and decls for stuff in errors.c.
23412 * Makefile: Add rules to build errors.o and
23413 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
23414 genopinit, genrecog, genextract, genpeep, genattr, and
23415 genoutput with errors.o. Add errors.h to deps of genconfig.o,
23416 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
23417 genpeep.o, genattr.o, and genoutput.o.
23419 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
23420 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
23421 define or prototype fatal. Set progname at beginning of main.
23422 * genoutput.c: Likewise, and don't define or prototype error
23425 * c-typeck.c (c_expand_start_case): Return immediately if exp
23427 * fold-const.c (operand_equal_p): Return immediately if arg1
23428 or arg0 are ERROR_MARKs.
23429 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
23430 fields of type ERROR_MARK when calculating if the record can
23433 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
23434 with much help from Jeffrey A Law and Richard Henderson
23436 * i386.md: In the 6 insns which call output_fix_trunc,
23437 earlyclobber operands[0].
23439 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
23441 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
23442 creating new registers.
23444 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
23446 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
23447 i386_reg_alloc_order, i386_regparm_string,
23448 i386_align_loops_string, i386_align_jumps_string,
23449 i386_align_funcs_string, i386_preferred_stack_boundary_string,
23450 and i386_branch_cost_string as type "const char *".
23451 * i386.c: Define all above strings as type "const char *".
23453 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
23455 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
23456 when emitting alignment padding. Emit padding byte of 0 instead of 4.
23458 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
23460 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
23461 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
23463 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
23465 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
23466 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
23467 (dwarf2out_line, dwarf2out_finish): Likewise.
23468 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
23470 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
23472 * tree.c (lang_unsave_expr_now) : Correct return type.
23473 * tree.h (lang_unsave_expr_now) : Same.
23475 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
23477 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
23478 instead of duplicating code.
23480 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23482 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
23484 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
23486 * tree.h: fancy_abort always takes three args.
23487 * resource.c: Move include of system.h before toplev.h.
23489 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
23491 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
23494 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
23496 * system.h: Don't redefine abort or trim_filename.
23497 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
23498 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
23499 whether or not __FUNCTION__ is available.
23500 * tree.h: Duplicate rtl.h's definition of abort, for files
23501 that don't include rtl.h. Delete all code to perform type
23502 checking with a compiler other than GCC.
23503 * varray.h: Delete all code to perform type checking with a
23504 compiler other than GCC. Make VARRAY_CHECK() always evaluate
23505 its arguments exactly once, using a statement expression.
23506 Adjust the VARRAY_<type> accessor macros to match.
23507 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
23508 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
23509 caller's location. Define fatal_insn and fatal_insn_not_found
23510 as macros that use _fatal_insn and _fatal_insn_not_found.
23511 (fancy_abort, trim_filename): Kill prototypes.
23513 * rtl.c (trim_filename): Move here from toplev.c.
23514 (fancy_abort): New function.
23515 (DIR_SEPARATOR): Provide default definition.
23516 * tree.c (tree_check_failed, tree_class_check_failed): Go
23517 through fancy_abort.
23518 (tree_check, tree_class_check, cst_or_constructor_check,
23519 expr_check): Delete.
23520 * varray.c (varray_check_failed): New function.
23521 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
23522 _fatal_insn and _fatal_insn_not_found. Go through
23524 (trim_filename, fancy_abort): Delete.
23526 * builtins.c (expand_builtin_args_info): Report ICE with abort.
23527 * except.c (start_catch_handler): Report ICE with error/abort
23529 * final.c (output_operand_lossage): Likewise.
23530 * flow.c (verify_flow_info): Likewise.
23532 * gcc.c: Prototype fatal.
23533 * gengenrtl.c: Undef abort after including rtl.h not system.h.
23534 * genattr.c, genattrtab.c, genemit.c, genextract.c,
23535 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
23536 Don't define fancy_abort.
23538 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
23540 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
23543 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
23545 * m88k.h (VERSION_INFO2): Kill.
23546 (VERSION_STRING): Kill.
23548 (VERSION_INFO1): Tidy.
23549 (TARGET_VERSION): Update.
23550 * m88k/dgux.h (VERSION_INFO2): Kill.
23551 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
23552 * m88k/luna.h (VERSION_INFO1): Tidy.
23553 * m88k/sysv4.h (VERSION_INFO1): Likewise.
23554 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
23555 (output_file_start): Adjust for death of VERSION_STRING.
23557 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
23559 * cpplib.c (detect_if_not_defined): New function.
23560 (do_if): Use it to detect potential once-only headers.
23562 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
23564 * c-common.c (combine_strings): Always set TREE_CONSTANT.
23566 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
23568 * combine.c (nonzero_bits) : Allow single-ly set registers to be
23569 anywere in the function only if they are pseudos and set before
23570 being used (not live at the start of the function).
23571 (num_sign_bit_copies) : Same.
23572 (get_last_value_validate) : Same.
23573 (get_last_value) : Same.
23575 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
23577 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
23578 where N and M are constant and N is an integer multiple of M.
23580 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23582 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
23583 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
23584 sbitmap_union_of_preds): Add prototypes.
23585 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
23586 the intersection of successors with the new flow graph structures.
23587 (sbitmap_intersection_of_preds): New function to compute the
23588 intersection of predecessors with the new flow graph structures.
23589 (sbitmap_union_of_succs): New function to compute the union of
23590 successors with the new flow graph structures.
23591 (sbitmap_union_of_preds): New function to compute the union of
23592 predecessors with the new flow graph structures.
23593 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
23594 (expr_reaches_here_p): Use edge and basic_block structures instead
23595 of s_preds and s_succs.
23596 (compute_cprop_avinout): Use new sbitmap routines.
23597 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
23598 of s_preds and s_succs.
23599 * flow.c (compute_flow_dominators): Compute dominators using
23600 edges and basic blocks instead of s_preds and s_succs.
23602 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23604 * lists.c (unused_insn_list, unused_expr_list): New file for
23605 maintaining various types of lists. New statics for maintaining a
23606 cache of available INSN_LIST and EXPR_LIST nodes.
23607 (free_list): Static function for freeing a list of INSN/EXPR nodes.
23608 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
23609 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
23610 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
23611 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
23612 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
23613 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
23614 (free_INSN_LIST_node): Free an individual INSN_LIST node.
23615 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
23616 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
23617 (remove_dependence, free_pending_lists): Use new global routines.
23618 (flush_pending_lists, sched_analyze_insn): Use new global routines.
23619 (sched_analyze, compute_block_backward_dependences): Use new routines.
23620 (sched_analyze_1, sched_analyze_2): Use new routines.
23621 (schedule_insns): Use new global routines.
23622 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
23624 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
23625 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
23627 * toplev.c (rest_of_compilation): Initialize node cache.
23628 * Makefile.in (OBJS): Add lists.o to list of object files.
23629 (lists.o): Add dependancies.
23631 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
23633 * config/v850/v850.md: Fix compile time warning messages.
23634 * config/v850/v850.c: Fix compile time warning messages.
23635 * config/v850/v850.h: Fix compile time warning messages.
23637 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23639 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
23640 Remove unused prototype for `init_lengths'.
23642 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23644 * calls.c (emit_call_1): Mark parameter `stack_size' with
23646 (expand_call): Initialize variable `insn'.
23647 (emit_library_call): Likewise for variable `high_to_save'.
23648 (emit_library_call_value): Likewise.
23649 (store_one_arg): Likewise for variables `lower_bound' and
23652 * combine.c (try_combine): Likewise for variables `i2_code_number'
23653 and `other_code_number'.
23654 (find_split_point): Likewise for variables `pos', `unsignedp' and
23656 (simplify_if_then_else): Likewise for variables `op' and `c1'.
23657 (simplify_and_const_int): Remove unused variable `width'.
23658 (merge_outer_ops): Likewise.
23660 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
23661 HOST_WIDE_INT' when comparing against one.
23662 (simplify_relational_operation): Likewise.
23663 (cse_insn): Initialize variables `src_eqv_volatile',
23664 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
23666 * final.c (init_final): Constify parameter `filename'.
23667 (final_start_function): Mark parameter `optimize' with
23669 (profile_function): Likewise for parameters `first' and `optimize'.
23670 (output_source_line): Likewise for parameter `file'.
23672 * integrate.c (subst_constants): Cast a value to `size_t' when
23673 comparing against one.
23674 (mark_stores): Initialize variable `mode'. Cast a value to
23675 `size_t' when comparing against one.
23677 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
23679 * loop.c (move_movables): Initialize variable `first'.
23680 (strength_reduce): Likewise for variable `increment'.
23681 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
23682 value to `size_t' when comparing against one.
23683 (load_mems): Initialize variable `end_label'.
23685 * output.h (init_final): Constify parameter.
23687 * reload.c (decompose): Initialize variable `base'.
23689 * reload1.c (reload): Likewise for variable `is_scalar'.
23690 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
23691 (choose_reload_regs): Initialize variable `mode'.
23692 (emit_reload_insns): Likewise for variable `store_insn'.
23693 (reload_cse_noop_set_p): Mark parameter `insn' with
23695 (reload_combine): Initialize variable `set'.
23697 * unroll.c (unroll_loop): Likewise for variable `local_label'.
23698 (copy_loop_body): Cast a value to `size_t' when comparing against
23701 * varasm.c (assemble_variable): Initialize variable `size_tree'.
23702 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
23703 (remove_from_pending_weak_list): Mark parameter `name' with
23706 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23708 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
23711 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
23713 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
23714 (ASM_DECLARE_FUNCTION_NAME): Define.
23715 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
23716 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
23717 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
23718 not already defined.
23720 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23722 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
23723 of n_popped when call/call_value are not defined.
23725 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
23727 * tm.texi: GNU CC -> GCC conversion.
23728 (CC1_SPEC): Indicate it is used for all language front ends.
23730 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
23732 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
23733 NOTE_INSN_EH_REGION_END correctly.
23735 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23736 Jeff Law <law@cygnus.com>
23738 * loop.c (strength_reduce): Automatically unroll loops if the
23739 unrolled loop size is smaller than the rolled loop size.
23741 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
23742 and delete comment that code should be rewritten.
23744 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
23746 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
23749 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
23751 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23753 * fixinc/mkfixinc.sh: Don't fix uwin headers.
23754 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
23755 (LINK_SPEC): Add -u _main when building executables.
23756 (ASM_DECLARE_FUNCTION): Update from Cygwin.
23757 (ASM_FILE_END): Use the default for ix86-pe.
23758 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
23760 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
23762 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
23763 and ASM_CLOSE_PAREN are empty strings.
23765 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
23766 Geoffrey Keating <geoffk@cygnus.com>
23768 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
23769 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
23770 (unprotoize.o): Ditto.
23771 (test-protoize-simple): Don't define STD_PROTO_DIR.
23772 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
23773 changes to make 'test-protoize-simple' pass.
23774 (STD_PROTO_DIR): Remove define.
23775 (STANDARD_EXEC_PREFIX): Supply default define.
23776 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
23777 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
23778 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
23779 (GET_ENV_PATH_LIST): New macro.
23780 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
23781 (do_processing): Initialize default_syscalls_dir using new
23782 macros. Use it to initialize syscalls_absolute_filename.
23784 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
23786 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
23787 B into a register before emit_conditional_move.
23789 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
23791 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
23792 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
23793 multiplicand out of (+ (* a b) (* c d)).
23795 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
23796 Richard Henderson <rth@cygnus.com>
23798 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
23799 (new_insn_dead_notes): Likewise.
23800 (update_n_sets): Likewise.
23801 (update_flow_info): Move to flow.c, renamed to update_life_info;
23802 extend to handle multiple source insns.
23803 * flow.c: Include resource.h
23804 (unlink_insn_chain): New.
23805 (split_hard_reg_notes): New.
23806 (maybe_add_dead_note): New.
23807 (maybe_add_dead_note_use): New.
23808 (find_insn_with_note): New.
23809 (new_insn_dead_notes): New.
23810 (update_n_sets): New.
23811 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
23812 (maybe_remove_dead_notes): New.
23813 (update_life_info): New.
23814 (prepend_reg_notes): New.
23815 (replace_insns): New.
23816 * output.h (update_life_info): Declare.
23817 * recog.c (split_block_insns): Use update_life_info.
23818 * resource.c (find_free_register): Use reg_alloc_order, don't use
23819 fixed regs, make sure the mode is supported, don't use new regs.
23821 * rtl.h (replace_insns): Declare.
23823 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
23825 * expr.c (expand_expr): Cope with COND_EXPRs with one
23826 non-returning branch.
23828 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
23830 * expr.c (store_expr): Always pass down the target, even when not
23833 1999-08-24 Nick Clifton <nickc@cygnus.com>
23835 * configure.in: Define target_cpu_default for v850 targets.
23836 * configure: Regenerate
23838 * config/v850/v850.h (TARGET_CPU_generic): Define.
23839 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
23840 addresses are 4 byte aligned.
23842 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
23845 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23847 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
23848 (main): Add prototypes.
23850 * genattrtab.c (substitute_address, write_const_num_delay_slots,
23851 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
23852 (write_attr_get): Emit prototypes along with function definition.
23853 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
23854 (write_complex_function): Emit static prototype along with
23855 function definition.
23857 * genemit.c (gen_split): Emit prototypes along with function
23860 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
23861 Likewise for predicates and `insn_operand_predicate'.
23862 (process_template): Emit static prototype along with function
23865 * genrecog.c (make_insn_sequence): Constify a char*. Add
23866 prototypes for get_split_*().
23867 (write_subroutine): Emit prototypes along with function
23870 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23872 * gcse.c (find_avail_set): Follow chains of register-register copies.
23873 Use oprs_not_set_p to guarantee that the returned value can be
23875 (cprop_insn): Don't verify the return value of find_avail_set with
23878 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
23879 (cprop_cc0_jump): New function.
23880 (cprop_insn): Break out new function cprop_jump and use it.
23881 Also use cprop_cc0_jump for machines with CC0.
23882 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
23884 * tree.h (current_function_calls_setjmp,
23885 current_function_calls_longjmp): Delete declarations.
23886 * dsp16xx.c: Include "function.h".
23887 * elxsi.c: Likewise.
23888 * gmicro.c: Likewise.
23889 * h8300.c: Likewise.
23890 * i370.c: Likewise.
23891 * m32r.c: Likewise.
23892 * mn10200.c: Likewise.
23893 * mn10300.c: Likewise.
23894 * ns32k.c: Likewise.
23895 * spur.c: Likewise.
23896 * v850.c: Likewise.
23898 * rtl.h (rtx_equal_function_value_matters): Declare.
23899 * toplev.c (rtx_equal_function_value_matters): Don't declare.
23901 * function.c: Likewise.
23902 * emit-rtl.c: Likewise.
23904 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
23906 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
23909 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23911 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
23914 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
23916 * cpp.texi: Add a node documenting macro varargs (copied
23919 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
23921 * cppspec.c: Put a null pointer at the end of the new argv.
23923 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
23925 * configure.in: Remove code to select/de-select the haifa
23926 scheduler. Every scheduled port gets haifa now.
23927 * configure: Rebuilt.
23928 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
23930 * Makefile.in: Corresponding changes.
23932 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23934 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
23935 All callers changed.
23936 (prepare_float_lib_cmp): Likewise.
23937 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
23938 * expr.h (emit_float_lib_cmp): Delete declaration.
23939 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
23940 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
23941 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
23943 (cmptf): Now conditional on TARGET_HARD_QUAD.
23945 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
23947 * resource.c (mark_target_live_regs): Use
23948 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
23950 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23952 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
23954 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
23956 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
23958 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23960 * rtl.h (rtx_format): Constify a char*.
23962 * rtl.c (rtx_format): Likewise.
23963 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
23964 (init_rtl): Use accessor macro, not `rtx_format'.
23966 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
23969 * caller-save.c (mark_referenced_regs): Likewise.
23971 * combine.c (subst, make_compound_operation, known_cond,
23972 gen_rtx_combine, update_table_tick, get_last_value_validate,
23973 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
23975 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
23976 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
23977 count_reg_usage): Likewise.
23979 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
23982 * final.c (leaf_renumber_regs_insn): Likewise.
23984 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
23985 dump_edge_info, count_reg_references): Likewise.
23987 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
23988 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
23991 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
23992 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
23993 add_label_notes): Likewise.
23995 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
23996 clear_struct_flag, count_sub_rtxs, count_alternatives,
23997 compares_alternatives_p, contained_in_p, walk_attr_value,
23998 write_expr_attr_cache): Likewise.
24000 * genconfig.c (walk_insn_part): Likewise.
24002 * genemit.c (max_operand_1, gen_exp): Likewise.
24004 * genextract.c (walk_rtx): Likewise.
24006 * genflags.c (num_operands): Likewise.
24008 * genoutput.c (scan_operands): Likewise.
24010 * genpeep.c (match_rtx): Likewise.
24012 * genrecog.c (add_to_sequence): Likewise.
24014 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
24017 * integrate.c (save_constants, copy_for_inline,
24018 copy_rtx_and_substitute, subst_constants, restore_constants):
24021 * jump.c (mark_jump_label, invert_exp, redirect_exp,
24022 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
24024 * local-alloc.c (contains_replace_regs, memref_referenced_p):
24027 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
24028 add_label_notes, replace_call_address, count_nonfixed_reads,
24029 invariant_p, find_single_use_in_loop, find_mem_givs,
24030 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
24033 * print-rtl.c (reg_names, print_rtx): Likewise.
24035 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
24037 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
24038 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
24039 print_blocks): Likewise.
24041 * regclass.c (fix_register, record_address_regs,
24042 reg_scan_mark_refs): Likewise.
24044 * regmove.c (stable_but_for_p): Likewise.
24046 * reload.c (loc_mentioned_in_p, operands_match_p,
24047 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
24048 copy_replacements, refers_to_regno_for_reload_p,
24049 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
24050 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
24053 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
24054 delete_address_reloads_1, count_occurrences,
24055 reload_cse_mem_conflict_p, reload_combine_note_use,
24056 add_auto_inc_notes): Likewise.
24058 * resource.c (mark_referenced_resources, mark_set_resources):
24061 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
24062 reg_mentioned_p, regs_set_between_p, modified_between_p,
24063 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
24064 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
24065 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
24066 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
24068 * sched.c (sched_analyze_2, attach_deaths): Likewise.
24070 * stupid.c (stupid_mark_refs): Likewise.
24072 * unroll.c (remap_split_bivs): Likewise.
24074 * varasm.c (mark_constants): Likewise.
24076 * a29k/a29k.c (uses_local_reg_p): Likewise.
24078 * alpha/alpha.c (summarize_insn): Likewise.
24080 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
24081 eliminate_lr2ip): Likewise.
24083 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
24085 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
24086 reg_mentioned_in_mem): Likewise.
24088 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
24089 symbolic_reference_mentioned_p): Likewise.
24091 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
24093 * sh/sh.c (regs_used, mark_use): Likewise.
24095 * vax/vax.c (vax_rtx_cost): Likewise.
24097 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24099 * machmode.h (mode_name): Constify a char*.
24101 * rtl.c (mode_name): Likewise.
24103 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
24105 * optabs.c (init_libfuncs): Constify a char*.
24107 * print-tree.c (mode_name): Remove redundant declaration.
24108 (print_node): Use accessor macro, not `mode_name'.
24110 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
24112 (new_spill_reg): Constify a char*.
24114 * tree.c (mode_name): Remove redundant declaration.
24116 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24118 * rtl.c (rtx_name): Constify a char*.
24120 * rtl.h (rtx_name, fix_sched_param): Likewise.
24122 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
24123 (mypr): Use accessor macro, not `rtx_name'.
24125 * genemit.c (print_code): Constify a char*.
24127 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
24129 * genpeep.c (print_code): Constify a char*.
24131 * genrecog.c (print_code): Likewise.
24133 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
24134 end_bb): Add static prototype.
24135 (draw_edge): Constify a char*.
24136 (end_bb): Remove unused parameter.
24138 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
24139 print_block_visualization): Constify a char*.
24141 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
24143 * c-common.c (c_get_alias_set): Update comment.
24145 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24147 * linux.h (LIB_SPEC): Added.
24149 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24151 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
24153 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
24155 * tree.c (expr_check): Fix typo in last change.
24157 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
24159 * rtl.def (NOTE): Change format to "iuu0n".
24160 (ADDR_DIFF_VEC): Change format to "eEee0".
24161 (ADDRESSOF): Change format to "eit".
24163 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
24164 (RTVEC_ELT): Change to match.
24165 (XVECEXP): Use XVEC and RTVEC_ELT.
24166 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
24167 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
24168 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
24169 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
24170 TRAP_CONDITION, TRAP_CODE): Use XEXP.
24171 (INTVAL): Use XWINT.
24172 (ADDRESSOF_DECL): Use XTREE.
24173 (SET_ADDRESSOF_DECL): Delete.
24174 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
24175 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
24176 ifdefed out since 2.6 at least.
24177 (gen_rtvec_vv): Delete prototype.
24179 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
24181 (copy_most_rtx): Handle 't' format letter.
24182 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
24183 (gen_rtvec_vv): Delete function. All callers changed to use
24184 gen_rtvec_v instead.
24185 * print-rtl.c (print_rtx): Move special casing of NOTEs to
24186 the '0' format letter.
24188 * function.c (gen_mem_addressof): Don't use
24189 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
24191 * integrate.c (copy_rtx_and_substitute): Likewise.
24192 Copy 't' slots with XTREE.
24193 (subst_constants): Treat 't' slots like '[swi]' slots.
24194 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
24195 * jump.c (rtx_equal_for_thread_p): Likewise.
24196 * rtlanal.c (rtx_equal_p): Likewise.
24197 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
24198 only four arguments.
24199 * gengenrtl.c (type_from_format): Provide correct types for
24203 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
24204 If a recent gcc is in use (always in stage2 and beyond), use
24205 statement expressions, so we don't make a function call unless
24206 the check fails. Evaluate arguments exactly once.
24207 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
24208 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
24210 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
24211 they evaluate their arguments exactly once, irrespective of
24212 the compiler in use.
24214 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
24215 is used by the currently-enabled check macros. This is:
24216 (tree_check_failed, tree_class_check_failed): For gcc.
24217 (tree_check, tree_class_check, cst_or_constructor_check,
24218 expr_check): For other compilers.
24220 * gencheck.c: Do not define any *_CHECK1 macros.
24222 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
24223 Mark Mitchell <mark@codesourcery.com>
24225 * c-common.c (c_get_alias_set): Fix support for poitners and
24228 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
24230 * alias.c: Include tree.h.
24231 (nonlocal_reference_p, mark_constant_function): New functions.
24232 * flow.c (life_analysis): Call mark_constant_function.
24233 * rtl.h (mark_constant_function): Declare it.
24235 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
24237 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
24238 unrecognisable switches.
24240 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24242 * loop.c (recombine_givs): Set ix field after sorting.
24243 (recombine_givs): Remove bogus index / giv lockstep looping.
24245 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24247 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
24249 (emit_store_flag_force): Use do_compare_rtx_and_jump.
24250 (do_cmp_and_jump): Formatting fixes.
24251 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
24252 do_compare_rtx_and_jump instead of compare_from_rtx.
24253 (do_compare_rtx_and_jump): New function; mostly copied from
24255 (do_jump_for_compare): Delete.
24256 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
24258 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
24259 of compare/do_jump_for_compare pairs.
24260 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
24261 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
24262 compare_from_rtx/do_jump_for_compare pairs.
24263 (do_jump_by_parts_equality): Likewise.
24264 (do_jump_by_parts_equality_rtx): Likewise.
24265 * expr.h (do_compare_rtx_and_jump): Declare.
24266 * optabs.c (prepare_cmp_insn): New function, contains most of the code
24267 that used to be in emit_cmp_insn.
24268 (cmp_available_p): New function.
24269 (prepare_operand): New function.
24270 (emit_cmp_and_jump_insn_1): New function, contains some code that used
24271 to be in emit_cmp_insn.
24272 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
24273 parameters to be pointers; don't emit final compare but modify some of
24274 the values pointed to by the args so the caller can perform the
24275 correct comparison.
24276 (expand_binop): Call emit_store_flag_force with signed forms of
24278 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
24279 emit_jump_insn pair.
24280 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
24281 emit_cmp_and_jump_insn_1. Call emit_queue.
24282 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
24284 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
24285 jump sets cc0 before deleting it.
24286 * integrate.c (expand_inline_function): Likewise.
24287 * unroll.c (unroll_loop): Similar changes in several places.
24288 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
24289 before deleting it.
24291 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24293 * Makefile.in (insn-recog.o): Update dependencies.
24294 * genrecog.c (main): Make generated file include "function.h".
24296 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
24298 * cse.c (cse_insn): Call never_reached_warning when a jump is
24299 changed to be unconditional.
24300 * flags.h: Declare warn_notreached.
24301 * flow.c (delete_block): Call never_reached_warning when
24302 a block is deleted.
24303 * jump.c (delete_barrier_successors): Call never_reached_warning
24304 when we delete everything after a BARRIER.
24305 (never_reached_warning): New function.
24306 * rtl.h: Declare never_reached_warning.
24307 * toplev.c (warn_notreached): New variable.
24308 (lang_independent_options): Set warn_notreached
24309 when -Wunreachable-code.
24310 (compile_file): We need line numbers for -Wunreachable-code.
24312 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
24314 * haifa-sched.c (insn_unit): Fix typo on out of range test.
24315 * sched.c (insn_unit): Likewise.
24317 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
24319 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
24321 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24323 * flow.c (create_edge_list): Use xmalloc, not malloc.
24325 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
24327 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
24328 C-style comments. Do not lose the character before double slash.
24330 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24332 * basic-block.h (struct edge_list): Stucture to maintain a vector
24334 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
24335 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
24336 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
24337 New function prototypes.
24338 * flow.c (create_edge_list): Function to create an edge list.
24339 (free_edge_list): Discards memory used by an edge list.
24340 (print_edge_list): Debug output showing an edge list.
24341 (verify_edge_list): Internal consistency check for an edge list.
24342 (find_edge_index): Function to find an edge index for a pred and succ.
24344 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
24346 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
24349 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
24351 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
24353 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
24355 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24357 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
24359 * toplev.c (rest_of_compilation): Allow machine dependent
24360 reorganisation pass to place information into the RTL dump
24361 file if it so wishes.
24363 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
24365 * explow.c (hard_function_value): Use VOIDmode instead of
24367 * stmt.c (expand_return): Likewise.
24368 * stor-layout.c (get_best_mode): Likewise.
24370 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
24371 emit call instead of emit_insn call.
24373 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24375 * configure.in: Handle --disable/enable-win32-registry.
24376 * install.texi: Document --disable/enable-win32-registry.
24377 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
24378 (WIN32_REGISTRY_KEY): New macro.
24379 * prefix.c: Use to enable/disable win32-specific code.
24380 (lookup_key): Use versioned key.
24381 * configure: Regenerate.
24382 * config.in: Likewise.
24384 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
24386 * cpplib.c (read_line_number): New fn, split out of...
24389 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
24391 tree.c (lang_unsave_expr_now) : New.
24392 (unsave_expr_now): Call lang_unsave_expr_now.
24393 tree.h (lang_unsave_expr_now) : New.
24395 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
24397 * toplev.c (flag_new_exceptions): On by default.
24399 1999-08-13 Michael Meissner <meissner@cygnus.com>
24401 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
24403 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24405 * dwarfout.c (fundamental_type_code): Return FT_boolean for
24406 INTEGER_TYPE with precision==1, it's __java_boolean.
24408 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24410 * global.c (prune_preferences): Move some invariants out of the
24413 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
24415 * configure.in (alpha*-dec-osf*): Add osf5.
24417 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
24419 * configure.in: Rework handling of ARM GNU/Linux slightly.
24420 (arm*-*-linux-gnuoldld): New target.
24421 * configure: Regenerate.
24422 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
24423 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
24424 * config/arm/linux-oldld.h: New file.
24425 * config/arm/linux-elf26.h: Don't include linux-elf.h.
24426 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
24428 * config/arm/linux-elf.h (ASM_SPEC): Define.
24429 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
24430 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
24431 for 26-bit APCS and old linker.
24432 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
24434 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
24435 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
24436 don't define `arm' or `arm_elf'.
24437 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
24438 MULTILIB_DIRNAMES): Define. Fix typo in comment.
24440 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
24442 * rtl.texi: Fix typo.
24444 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
24446 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
24448 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
24450 * extend.texi (C++ Signatures): Remove node.
24451 * invoke.texi: Remove discussion of -fhandle-signatures,
24452 signature, sigof, __signature__, and __sigof__.
24454 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
24456 * Makefile.in (JAVAGC): Removed.
24458 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
24460 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24462 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
24464 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24466 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
24468 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
24469 a register that is already known to be a pointer.
24471 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
24473 * fixinc/inclhack.tpl: Only install assert.h conditionally.
24474 * fixinc/inclhack.sh: Regenerated.
24475 * fixinc/fixincl.sh: Regenerated.
24477 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
24479 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
24480 Fix documentation of -ansi flag to describe its C++ behavior.
24481 Remove bogus reference to GCC 2.9.
24483 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
24485 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
24486 note if it is non-NULL.
24488 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24490 * except.h (eh_nesting_info): Add new structure defintion.
24491 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
24492 (reachable_handlers, update_rethrow_references): Add function
24494 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
24495 a rethrow symbol instead of an integer exception region number.
24496 * flow.c (Make_edges): Use new exception nesting routines to determine
24497 which handlers are reachable from a CALL or asynchronous insn.
24498 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
24500 (delete_eh_regions): Update rethrow labels, and don't delete
24501 regions which are the target of a rethrow.
24502 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
24503 avoid overloading the SYMBOL_REF_USED flag.
24504 (rethrow_symbol_map): Use new rethrow_ref field.
24505 (rethrow_used): Use new rethrow_ref field.
24506 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
24507 of an integer. Fix formatting.
24508 (output_exception_table_entry): Use new rethrow_ref field.
24509 (can_throw): Check for EH_REGION_NOTE before deciding
24510 whether a CALL can throw or not.
24511 (scan_region): Call rethrow_used() instead of accessing data structure.
24512 (update_rethrow_references): New function to make sure only regions
24513 which are still targets of a rethrow are flagged as such.
24514 (process_nestinfo): New static function to initialize a handler
24515 list for a specific region.
24516 (init_eh_nesting_info): New function to allocate and initialize
24517 the list of all EH handlers reachable from all regions.
24518 (reachable_handlers): New function to retrieve the list of handlers
24519 reachable from a specific region and insn.
24520 (free_eh_nesting_info): New function to dispose of a list of
24521 reachable handlers.
24523 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24525 * flow.c (split_edge): Set JUMP_LABEL field.
24526 (commit_one_edge_insertion): Set head correctly for insert_before.
24527 When inserting insns, update insn block numbers if allocated.
24529 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24531 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
24532 retry_incomplete_types): Add static prototype.
24533 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
24534 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
24535 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
24536 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
24537 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
24540 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
24541 dwarf2out_start_source_file, dwarf2out_line): Likewise.
24543 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24545 * output.h (assemble_name): Constify a char*.
24547 * varasm.c (UNIQUE_SECTION, assemble_start_function,
24548 assemble_variable, assemble_name): Likewise.
24550 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
24552 * arm/pe.c (arm_pe_unique_section): Likewise.
24554 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
24556 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
24558 * i386/interix.c (i386_pe_unique_section): Likewise.
24560 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
24562 * i386/winnt.c (i386_pe_unique_section): Likewise.
24564 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
24566 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
24568 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
24570 * pa/pa.c (output_call): Likewise.
24572 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
24574 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
24576 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
24579 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
24582 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
24584 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
24585 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
24587 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
24589 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24591 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
24593 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24595 * tree.h (lang_identify): Constify a char*.
24596 (print_error_function): Add extern prototype. Constify a char*.
24598 * c-lang.c (lang_identify): Constify a char*.
24600 * objc/objc-act.c (lang_identify): Constify a char*.
24602 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24604 * genpeep.c (main): Make generated file include "function.h".
24605 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
24607 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24609 * Makefile.in: Update dependencies.
24610 * alias.c: Include "function.h"
24611 * c-decl.c: Likewise.
24612 * caller-save.c: Likewise.
24613 * calls.c: Likewise.
24614 * combine.c: Likewise.
24616 * explow.c: Likewise.
24617 * final.c: Likewise.
24618 * global.c: Likewise.
24619 * graph.c: Likewise.
24620 * local-alloc.c: Likewise.
24621 * loop.c: Likewise.
24622 * optabs.c: Likewise.
24623 * profile.c: Likewise.
24624 * recog.c: Likewise.
24625 * regclass.c: Likewise.
24626 * regmove.c: Likewise.
24627 * reload.c: Likewise.
24628 * reorg.c: Likewise.
24629 * resource.c: Likewise.
24630 * sched.c: Likewise.
24631 * stupid.c: Likewise.
24632 * config/1750a/1750a.c: Likewise.
24633 * config/a29k/a29k.c: Likewise.
24634 * config/arc/arc.c: Likewise.
24635 * config/arm/arm.c: Likewise.
24636 * config/arm/thumb.c: Likewise.
24637 * config/c4x/c4x.c: Likewise.
24638 * config/clipper/clipper.c: Likewise.
24639 * config/convex/convex.c: Likewise.
24640 * config/fx80/fx80.c: Likewise.
24641 * config/i860/i860.c: Likewise.
24642 * config/m68k/m68k.c: Likewise.
24643 * config/m88k/m88k.c: Likewise.
24644 * config/mips/mips.c: Likewise.
24645 * config/pdp11/pdp11.c: Likewise.
24646 * config/pyr/pyr.c: Likewise.
24647 * config/romp/romp.c: Likewise.
24648 * config/sh/sh.c: Likewise.
24649 * config/tahoe/tahoe.c: Likewise.
24650 * config/vax/vax.c: Likewise.
24651 * config/we32k/we32k.c: Likewise.
24652 * config/sparc/sparc.c: Include "function.h".
24653 (mem_min_alignment): Test current_function rather than
24654 regno_pointer_align.
24655 * config/pa/pa.c: Likewise.
24656 (compute_frame_size): Delete declaration of
24657 current_function_outgoing_args_size.
24658 * config/arc/arc.h (current_function_varargs): Delete declaration.
24659 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
24661 * config/i370/i370.h (current_function_outgoing_args_size): Delete
24663 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
24664 current_function_uses_pic_offset_table.
24665 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
24666 of current_function_returns_pointer.
24667 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24668 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24669 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24670 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24671 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24672 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24673 * config/m88k/m88k.c: Include "function.h"
24674 (call_used_regs, current_function_pretend_args_size,
24675 current_function_outgoing_args_size, frame_pointer_needed): Delete
24677 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
24679 * config/mips/mips.h (current_function_calls_alloca): Delete
24681 * config/mn10200/mn10200.h (current_function_needs_context,
24682 rtx_equal_function_value_matters): Delete declarations.
24683 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
24684 flag_pic): Delete declarations.
24685 * config/pa/pa.h (current_function_pretend_args_size,
24686 current_function_decl): Delete declarations.
24687 * config/pa/som.h (current_function_varargs): Delete declaration.
24688 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
24690 * config/pyr/pyr.h (current_function_pretend_args_size,
24691 current_function_args_size, current_function_calls_alloca): Delete
24693 * config/sh/sh.h (current_function_varargs): Delete declaration.
24694 * config/sparc/sparc.h (current_function_outgoing_args_size,
24695 current_function_calls_alloca, current_function_decl): Delete
24697 * config/spur/spur.h (current_function_pretend_args_size,
24698 current_function_calls_alloca): Delete declarations.
24699 * config/v850/v850.c (current_function_outgoing_args_size): Delete
24701 * config/vax/vms.h (current_function_name): Delete declaration.
24702 * gcse.c: Include "function.h".
24703 (current_function_name, current_function_calls_setjmp): Delete
24705 * haifa-sched.c: Include "function.h".
24706 (forced_labels): Delete declaration.
24707 * jump.c: Likewise.
24708 * reg-stack.c: Likewise.
24709 * reload1.c: Likewise.
24710 * genemit.c (main): Make generated file include function.h.
24711 * genoutput.c (output_prologue): Likewise.
24713 * builtins.c (saveregs_value, apply_args_value): Delete variables.
24714 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
24715 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
24716 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
24717 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
24718 macros for some of them.
24719 (emit_filename, emit_lineno): Delete declarations.
24720 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
24721 regno_pointer_* variables through current_function.
24722 (gen_inline_header_rtx): Delete function.
24723 (save_emit_status): Delete function.
24724 (set_new_last_label_num): New function.
24725 (clear_emit_caches): New function.
24726 (restore_emit_status): Just clear last_labelnum and call
24728 (get_last_insn_anywhere): Variable sequence_stack is now accessed
24729 through macro seq_stack.
24730 (add_insn_after): Likewise.
24731 (add_insn_before): Likewise.
24732 (remove_insn): Likewise.
24733 (pop_topmost_sequence): Likewise.
24734 (in_sequence_p): Likewise.
24735 (start_sequence_for_rtl_expr): Likewise.
24736 (start_sequence): Likewise, and likewise for
24737 sequence_rtl_expr/seq_rtl_expr.
24738 (push_topmost_sequence): Likewise.
24739 (end_sequence): Likewise.
24740 (init_virtual_regs): Now takes a "struct emit_status *" argument.
24741 All callers changed. Store into that pointer instead of globals.
24742 (init_emit): Allocate emit elt of current_function.
24743 Changes for sequence_rtl_expr/sequence_stack renaming.
24744 Call clear_emit_caches instead of doing it in-line.
24745 Access regno_pointer_* variables through current_function.
24746 (init_emit_once) Don't clear sequence_stack.
24748 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
24750 (arg_pointer_save_area): Delete declaration.
24751 (finish_expr_for_function): Renamed from init_queue; no longer static.
24752 (init_expr): Don't call init_queue.
24753 (save_expr_status, restore_expr_status): Delete functions.
24754 (expand_expr): Changes to reflect new layout of struct function.
24755 Don't access current_function_check_memory_usage when current_function
24757 * expr.h (forced_labels, save_expr_regs, saveregs_value,
24758 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
24759 current_function_outgoing_args_size, current_function_arg_offset_rtx,
24760 current_function_uses_const_pool, function_call_count,
24761 current_function_uses_pic_offset_table, nonlocal_labels,
24762 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
24763 current_function_check_memory_usage, nonlocal_goto_handler_slots,
24764 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
24766 (finish_expr_for_function): Declare.
24767 * flags.h (current_function_has_nonlocal_label,
24768 current_function_has_nonlocal_goto, current_function_is_thunk,
24769 current_function_has_computed_jump): Delete declarations.
24770 * flow.c (forced_labels): Delete declaration.
24771 * function.c (current_function_pops_args,
24772 current_function_returns_struct, current_function_returns_pcc_struct,
24773 current_function_needs_context, current_function_calls_setjmp,
24774 current_function_calls_longjmp, current_function_has_nonlocal_label,
24775 current_function_has_nonlocal_goto, current_function_is_thunk,
24776 current_function_has_computed_jump, current_function_calls_alloca,
24777 current_function_contains_functions, current_function_returns_pointer,
24778 current_function_epilogue_delay_list, current_function_args_size,
24779 current_function_pretend_args_size, current_function_arg_offset_rtx,
24780 current_function_outgoing_args_size, current_function_varargs,
24781 current_function_stdarg, current_function_args_info, cleanup_label,
24782 current_function_name, current_function_uses_const_pool,
24783 current_function_instrument_entry_exit, current_function_return_rtx,
24784 current_function_uses_pic_offset_table, nonlocal_labels,
24785 current_function_internal_arg_pointer, current_function_cannot_inline,
24786 current_function_check_memory_usage, function_call_count,
24787 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
24788 nonlocal_goto_stack_level, return_label, save_expr_regs,
24789 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
24790 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
24791 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
24792 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
24793 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
24795 (push_function_context_to): Don't save them. Don't call
24796 save_storage_status, save_emit_status or save_expr_status.
24797 (pop_function_context_from): Don't restore them. Don't call
24798 restore_storage_status or restore_expr_status.
24799 (get_func_frame_size): New function.
24800 (get_frame_size): Use it.
24801 (assign_outer_stack_local): Reflect some member name changes in struct
24803 (put_reg_into_stack): Likewise.
24804 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
24806 (fixup_var_refs): Likewise.
24807 (fix_lexical_addr): Likewise.
24808 (trampoline_address): Likewise.
24809 (prepare_function_start): Clear field inlinable of current_function.
24810 (init_function_for_compilation): New function.
24811 (expand_dummy_function_end): New function.
24812 (expand_function_end): Call finish_expr_for_function.
24813 * function.h (struct emit_status): New; fields moved here from struct
24814 function and from global variables. Add accessor macros for some of
24816 (struct expr_status): Likewise.
24817 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
24818 (struct function): Add fields expr and emit, inlinable, inl_emit,
24819 original_arg_vector, original_decl_initial, inl_last_parm_insn,
24820 inl_max_label_num. Add many comments.
24821 Add accessor macros for all elts of struct function that no longer
24822 have a global variable.
24823 (cleanup_label, return_label, frame_offset, tail_recursion_label,
24824 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
24825 stack_slot_list): Delete declarations.
24826 (get_func_frame_size): Declare.
24827 (save_expr_status, restore_expr_status, save_emit_status,
24828 save_storage_status, restore_storage_status): Delete declarations.
24829 (init_virtual_regs): Declare.
24830 * output.h (current_function_pops_args,
24831 current_function_returns_struct, current_function_returns_pcc_struct,
24832 current_function_needs_context, current_function_calls_setjmp,
24833 current_function_calls_longjmp, current_function_calls_alloca,
24834 current_function_has_nonlocal_label, current_function_varargs,
24835 current_function_has_computed_jump, current_function_returns_pointer,
24836 current_function_contains_functions, current_function_args_size,
24837 current_function_pretend_args_size, current_function_stdarg,
24838 current_function_outgoing_args_size, current_function_args_info,
24839 current_function_name, current_function_return_rtx,
24840 current_function_epilogue_delay_list,
24841 current_function_uses_const_pool, current_function_cannot_inline):
24842 Delete declarations.
24843 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
24844 regno_reg_rtx): Delete declaration.
24845 (REGNO_POINTER_FLAG): Delete macro.
24846 * stmt.c (expand_goto): Changes to reflect that some fields in struct
24847 function were renamed.
24848 * stor-layout.c (save_storage_status, restore_storage_status): Delete
24850 * toplev.c: Include "function.h".
24851 (current_function_decl): Delete declaration.
24852 (compile_file): Call init_dummy_function_start and
24853 expand_dummy_function_end around some initializations that need to
24855 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
24856 Call init_function_for_compilation.
24857 * unroll.c: Include "function.h"
24858 (unroll_loop): Access regno_pointer_* variables through
24861 * tree.h (struct tree_decl): Add elt f to saved_insns member.
24862 (DECL_SAVED_INSNS): use it.
24863 (expand_dummy_function_end): Declare.
24864 (init_function_for_compilation): Declare.
24865 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
24866 that it's no longer an INLINE_HEADER.
24867 (expand_call): Likewise.
24868 * integrate.c (finish_inline): Delete function.
24869 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
24870 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
24871 args. Don't generate an INLINE_HEADER rtx, just return the arg
24872 vector. All callers changed.
24873 (save_for_inline_copying): Create a duplicate struct emit_status to
24874 hold the emit state for compiling the current function. Use this and
24875 the other new fields in struct function that are for integration
24876 instead of an INLINE_HEADER.
24877 Use memcpy instead of bcopy.
24878 Store the current struct function in DECL_SAVED_INSNS of fndecl.
24879 (save_for_inline_nocopy): Similar changes, except no new emit_status
24881 (expand_inline_function): Get information from function structure,
24882 not from an inline header rtx.
24883 (output_inline_function): Lose code to extract the necessary
24884 information from an inline header; simply put back the function
24885 structure into current_function. Clear its inlinable elt.
24886 * rtl.def (INLINE_HEADER): Delete.
24887 * rtl.h: Delete all accessors for an INLINE_HEADER.
24888 (gen_inline_header_rtx): Delete declaration.
24889 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
24890 Delete declarations.
24891 (REGNO_POINTER_ALIGN): Delete.
24892 (clear_emit_caches): Declare.
24893 (set_new_last_label_num): Declare.
24895 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
24897 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
24899 * except.c (expand_eh_region_start_for_decl): Always start a new block.
24900 * stmt.c (is_eh_region): Make sure current_function is present, too.
24902 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
24904 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
24905 for 64bit PA targets.
24907 * pa.h (SELECT_SECTION): Define.
24908 * som.h (SELECT_SECTION): Delete.
24910 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24912 * alias.c (init_alias_analysis): Wrap call to
24913 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
24915 1999-08-07 Bruce Korb <autogen@linuxbox.com>
24917 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
24918 <sys/asm.h> contains an asm comment with an apostrophe
24919 * fixinc/inclhack.sh: regen
24920 * fixinc/fixincl.x: regen
24922 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
24924 * function.c (init_function_start): Clear prologue & epilogue.
24925 (prologue_epilogue_contains): New function.
24926 * alias.c (init_alias_analysis): Use it.
24927 * rtl.h (prologue_epilogue_contains): Declare it.
24929 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
24931 * jump.c (onlyjump_p): New function.
24932 * rtl.h: Declare it.
24933 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
24934 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
24936 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
24938 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
24939 to invert loops. Simplify block scanning.
24941 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24943 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
24944 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
24946 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
24948 * config/sparc/liteelf.h: New file to support sparclite-elf target
24949 * config/sparc/t-sp86x: New file to support sparc86x targets
24950 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
24951 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
24952 * configure.in: Support above target triplets
24953 * configure: Regenerated
24955 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
24957 * fixinc/server.c (server_setup): Do not prefix function used as
24958 parameter with `&'.
24960 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
24962 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
24963 Remove fp reg alternatives.
24965 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
24967 * Makefiin (TAROUTOPTS): Kill.
24968 (install-headers-tar): Use "xpf" for tar headerfile extraction
24969 * i370/x-oe (TAROUTOPTS): Delete.
24970 * m68k/x-apollo68 (TAROUTOPTS): Delete.
24971 * m68k/x-hp320 (TAROUTOPTS): Delete.
24972 * m68k/x-hp320g (TAROUTOPTS): Delete.
24973 * gcc.texi: Update bug reporting text.
24975 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24977 * reg-stack.c (change_stack) Fixed problem with negative array index.
24979 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
24981 * extend.texi, install.texi: Fix spelling mistakes.
24983 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
24984 (s-attrtab); No longer try to use pre-made insn-attrtab file.
24985 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
24986 PREMADE_ATTRTAB_MD.
24987 * mips/t-ecoff: Likewise.
24988 * mips/t-elf: Likewise.
24989 * mips/t-mips: Likewise.
24990 * mips/t-osfrose: Likewise.
24991 * mips/t-r3900: Likewise.
24992 * mips/t-svr3: Likewise.
24993 * mips/t-svr4: Likewise.
24994 * mips/t-ultrix: Likewise.
24996 * gcc.texi: Document recommend means to provide software floating
24997 point libraries in libgcc.a
24999 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
25001 * c-lex.c (yylex): We can have a number with no digits.
25003 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
25005 * jump.c (delete_prior_computation): New function, broken
25006 out of delete_computation. Check for side effects with
25007 side_effects_p instead of FIND_REG_INC_NOTE. Handle
25008 multi-word hard registers.
25009 (delete_computation): Use it. Check for side effects with
25010 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
25011 missing REG_DEAD note for a register which is both set and
25014 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
25016 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
25017 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
25018 (ASM_FILE_START): Import _mcount with the right type.
25019 (ASM_DECLARE_FUNCTION_NAME): Define.
25020 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
25021 * pa.c (output_function_prologue): Always emit the function's label
25023 * pa.h (TEXT_SPACE_P): Define.
25024 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25025 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
25026 * som.h (TEXT_SPACE_P): Delete.
25027 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25028 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
25030 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
25032 * expr.c (emit_group_load): Allow src to be a CONCAT.
25034 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25036 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
25037 (___mulsi3): Use '!' comment character.
25039 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25041 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
25043 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
25045 * gcc.c: Update URLs and mail addresses.
25046 * gcc.texi: Likewise.
25048 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
25050 * rs6000.c (current_file_function_operand): Return zero for
25052 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
25054 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
25057 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
25059 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
25060 allocate space in the stack frame for the PIC register.
25062 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
25064 * m68k.md (xordi3, anddi3): These patterns are not available on
25067 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
25069 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
25070 (PUT_REAL): Likewise.
25072 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25074 * final.c (shorten_branches): Don't add an alignment for loops
25075 that have no label inside.
25077 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25079 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
25080 prototypes in macro HAVE_cmpstrsi.
25082 * cpplib.c (cpp_get_token): Remove unused label `op3'.
25084 * emit-rtl.c (operand_subword): Remove unused variable
25087 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
25089 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
25091 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
25093 * cpphash.c (macroexpand): Delete leading whitespace when arg
25094 is concatenated before.
25095 (unsafe_chars): Correct test for whether + and - can extend a
25098 * cppinit.c (cpp_start_read): Do dependencies for
25099 -include/-imacros files also.
25101 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
25102 tokenizing non-directive lines.
25103 (cpp_expand_to_buffer): Temporarily disable no-output mode.
25104 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
25107 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25109 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
25111 * c-lex.c: Sync with C++ frontend.
25112 (linemode): New variable.
25113 (parse_float): imag, conversion_errno, and type are output only.
25114 (yylex): Adjust. Move initial '.' case into main switch.
25116 (handle_generic_pragma): Just deal with tokens.
25117 (readescape): Use ISXDIGIT and ISGRAPH.
25118 * c-parse.in: Add END_OF_LINE token.
25120 * c-lex.c (lang_init): Generalize.
25121 (nextchar): Remove. Replace uses with UNGETC.
25122 (skip_white_space): Handle linemode here. Optimize for cpplib.
25123 (skip_white_space_on_line): Remove.
25124 (extend_token_buffer_to): New fn.
25125 (extend_token_buffer): Use it.
25126 (read_line_number, check_newline): Just deal with tokens.
25127 (token_getch, token_put_back): New fns.
25128 (yylex): Use them. More cpplib optimizations. Simplify.
25130 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25131 Jason Merrill <jason@yorick.cygnus.com>
25133 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
25134 (consume_string): Make this smart about USE_CPPLIB.
25135 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
25136 (yylex): Rewrite to be intelligent about USE_CPPLIB.
25137 Also, clean up cases where we redundantly set token_buffer[0].
25138 (read_line_number): New fn.
25139 (ignore_escape_flag): New variable.
25141 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
25143 * a29k/t-a29kbare: Fix some comments.
25144 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
25145 (FPBIT, DPBIT): Define.
25146 * a29k/t-vx29k: Likewise.
25147 * arc/t-arc: Likewise.
25148 * arm/t-arm-elf: Likewise.
25149 * arm/t-bare: Likewise.
25150 * arm/t-pe: Likewise.
25151 * arm/t-pe-thumb: Likewise.
25152 * arm/t-semi: Likewise.
25153 * arm/t-thumb: Likewise.
25154 * arm/t-thumb-elf: Likewise.
25155 * arm/t-thumb-linux: Likewise.
25156 * h8300/t-h8300: Likewise.
25157 * i960/t-i960: Likewise.
25158 * i960/t-vxworks960: Likewise.
25159 * m32r/t-m32r: Likewise.
25160 * mips/t-ecoff: Likewise.
25161 * mips/t-elf: Likewise.
25162 * mips/t-r3900: Likewise.
25163 * pa/t-pro: Likewise.
25164 * rs6000/t-aix43: Likewise.
25165 * rs6000/t-beos: Likewise.
25166 * rs6000/t-newas: Likewise.
25167 * rs6000/t-ppccomm: Likewise.
25168 * rs6000/t-rs6000: Likewise.
25169 * rs6000/t-winnt: Likewise.
25170 * rs6000/t-xnewas: Likewise.
25171 * rs6000/t-xrs6000: Likewise.
25172 * sh/t-sh: Likewise.
25173 * sparc/t-elf: Likewise.
25174 * sparc/t-sparcbare: Likewise.
25175 * sparc/t-sparclite: Likewise.
25176 * sparc/t-splet: Likewise.
25177 * v850/t-v850: Likewise.
25178 * mn10200/t-mn10200: Fix comments.
25179 * mn10300/t-mn10300: Likewise.
25181 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
25182 dummy operand. Allocate a new pseudo for the dummy operand.
25183 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
25185 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
25187 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
25189 * configure: Rebuilt.
25190 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
25192 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
25194 * recog.c (preproces_constraints): Zero recog_op_alt before
25195 processing the constraints.
25197 * arm.c (typedef minipool_node): Renamed from pool_node.
25198 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
25199 (add_minipool_constant): New function.
25200 (dump_minipool): New function.
25201 (find_barrier): Remove special case for getting the insn size of
25202 an insn that references the constant pool.
25203 (minipool_fixup): New structure.
25204 (push_minipool_barrier): New function.
25205 (push_minipool_fix): New function.
25206 (note_invalid_constants): New function.
25207 (add_pool_constant, dump_table, fixit, broken_move): Delete.
25208 (arm_reorg): Rewrite code to fix up the constant pool into a
25209 series of mini-pools embedded in the insn stream.
25210 (arm_output_epilogue): New function, made mainly from the body
25211 of output_func_epilogue.
25212 (output_func_epilogue): Move insn generation part of epilogue code
25213 to arm_output_epilogue.
25214 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
25215 * arm.md (pool_range): New attribute.
25216 (zero_extendqidi2): Add attribute pool_range.
25217 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
25218 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
25219 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
25220 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
25221 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
25222 (epilogue): New expand.
25223 (epilogue_insn): New insn. Call arm_output_epilogue.
25225 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
25226 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
25228 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25230 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25232 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
25234 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
25236 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
25238 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
25240 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
25242 * global.c: Fix comment.
25244 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
25246 * gcc.c (access_check): New static function.
25247 (find_a_file): Use it when searching a directory list.
25248 * collect2.c (find_a_file): Don't accept directories found when
25249 searching a directory list.
25251 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
25253 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
25254 function parameters with `&'.
25255 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
25257 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
25259 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
25260 or tidy_fallthru_edge if the last insn in the block is not
25261 an unconditional jump or a simple conditional jump.
25263 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25265 * Makefile.in (c-decl.o): Depends on defaults.h.
25267 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
25269 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
25271 (CLASS_MAX_NREGS): Likewise.
25273 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
25275 * cse.c (cse_insn): Fix dumb thinko in last change.
25277 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25279 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
25282 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
25284 * dwarf2out.c (add_location_or_const_value_attribute): Correct
25285 test for sizes of passed and declared parameter types.
25287 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25289 * fixincludes: Fix the return type of bsearch, char* -> void*.
25291 * fixinc/inclhack.def: Likewise.
25293 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
25295 * invoke.texi (-fdump-translation-unit): New option.
25297 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
25299 * expr.h (PROMOTE_PROTOTYPES): Move ...
25300 * defaults.h: ... to here.
25301 * c-decl.c: Include defaults.h instead of expr.h.
25302 * c-typeck.c: Include defaults.h.
25304 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
25306 * toplev.h (errorcount): Declare.
25307 (warningcount): Likewise.
25308 (sorrycount): Likewise.
25309 * c-lex.c (errorcount): Don't declare.
25310 * dwarf2out.c (errorcount): Don't declare.
25312 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
25314 * config/libgloss.h: Add a note discouraging use with ELF.
25315 * configure.in: Don't use libgloss.h for ELF targets.
25316 Always use_collect2 on a.out targets.
25318 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
25320 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
25321 (force_to_mode, case ASHIFTRT): Add shiftrt label.
25323 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25325 * loop.c (strength_reduce): When doing biv->giv conversion, update
25326 reg note of NEXT->insn.
25328 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25330 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
25332 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25334 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
25335 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
25336 Ensure expr.h is included.
25337 * c-typecheck.c (convert_arguments): Ditto.
25339 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
25341 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
25342 * config/convex/convex.h: Ditto.
25343 * config/dsp16xx/dsp16xx.h: Ditto.
25344 * config/fx80/fx80.h: Ditto.
25345 * config/gmicro/gmicro.h: Ditto.
25346 * config/i370/i370.h: Ditto.
25347 * config/i386/i386.h: Ditto.
25348 * config/m32r/m32r.h: Ditto.
25349 * config/m68k/m68k.h: Ditto.
25350 * config/m88k/m88k.h: Ditto.
25351 * config/mips/mips.h: Ditto.
25352 * config/pa/pa.h: Ditto.
25353 * config/pyr/pyr.h: Ditto.
25354 * config/tahoe/tahoe.h: Ditto.
25355 * config/we32k/we32k.h: Ditto.
25357 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
25358 based on arch size.
25360 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
25362 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
25365 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
25367 1999-08-02 Richard Henderson <rth@cygnus.com>
25369 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
25370 for the register spill block.
25371 (m32r_va_arg): New.
25372 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
25373 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
25375 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
25376 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
25377 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
25379 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25381 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
25382 MAX_WCHAR_TYPE defined in sparc.h.
25383 * config/sparc/linuxaout.h: Likewise.
25384 * config/sparc/linux64.h: Likewise.
25385 Also default to -mvis if CPU is UltraSPARC.
25387 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25389 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
25390 (RTX_OK_FOR_OLO10): Likewise.
25391 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
25392 %lo(), allow it in addresses...
25393 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
25394 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
25395 does not make sense.
25396 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
25397 (sparc_output_scratch_registers): New function.
25398 (output_function_prologue, sparc_flat_output_function_prologue): Use
25400 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
25402 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
25403 * configure.in: Add check for .register pseudo-op support in as and
25404 check for offsetable %lo().
25405 * acconfig.h: Add templates for the above checks.
25406 * configure: Regenerate.
25408 1999-08-02 Richard Henderson <rth@cygnus.com>
25410 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
25411 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
25412 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
25414 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25416 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25419 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25421 * config/float-sparc.h: New file.
25422 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
25423 sparc-*-linux-gnu and sparc64-*-linux*.
25425 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25427 * rs6000.c (rs6000_va_list): Type is an array.
25428 (rs6000_va_start): Don't doubly adjust for varargs.
25429 (rs6000_va_arg): Evaluate long long GPR adjustment.
25431 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
25433 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
25434 -maix64 and -maix32.
25435 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
25436 LINK_SPEC): Change appropriately.
25437 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
25438 (u_short_cint_operand): Likewise.
25439 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
25441 * rs6000/t-aix43 (MULTILIB): Change to -m64.
25443 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
25445 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
25447 * rs6000/rs6000.c (num_insns_constant_wide): Correct
25448 for type promotion.
25449 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
25450 (non_add_cint_operand): Likewise.
25451 (logical_operand): Likewise.
25452 (non_logical_cint_operand): Likewise.
25453 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
25454 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
25455 (rs6000_select_rtx_section): Suppress warning.
25456 (small_data_operand): Suppress warning.
25457 (rs6000_got_register): Suppress warning.
25458 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
25459 type, so `J' is generally the wrong constraint for a SImode value;
25461 (andsi3_internal2): Likewise.
25462 (andsi3_internal3): Likewise.
25463 (iorsi3_internal1): Likewise.
25464 (xorsi3_internal1): Likewise.
25466 (movsf_softfloat): Likewise.
25467 (scc insns): Likewise.
25468 (movsi+2): Preserve sign bits of SImode constant.
25469 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
25470 (movdf+1): Sign-extend properly.
25471 (movdi_32+1): Sign-extend properly.
25472 (scc insns): Sign-extend properly.
25474 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
25477 1999-08-02 Richard Henderson <rth@cygnus.com>
25479 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
25480 -mcpu parsing code.
25481 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
25482 * alpha.md (all fp insns): Likewise.
25484 1999-08-02 Nick Clifton <nickc@cygnus.com>
25486 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
25489 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
25491 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
25492 pic_load_label generator directly.
25493 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
25494 No longer a named pattern.
25496 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
25498 * explow.c (force_reg): Call force_operand if X does not
25499 satisfy general_operand.
25501 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
25503 * fix-header.c (main): When testing for CONTINUED, use string
25504 equality, not pointer equality.
25506 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
25508 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
25510 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
25512 * cse.c (cse_insn): Fix loop which deletes insns after a jump
25513 that has become an unconditional jump.
25515 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
25516 (output_function_epilogue): Similarly.
25518 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25520 * tree.h (init_dummy_function_start): Declare.
25522 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25524 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
25525 last_expr_type, last_expr_value, block_start_count, block_stack,
25526 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
25527 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
25528 dynamically in stmt elt of struct function for each function.
25529 (struct nesting): Rename function_call_count elt to n_function_calls,
25530 target_temp_slot_level to block_target_temp_slot_level. All users
25532 (struct stmt_status): New structure definition.
25533 Add many accessor macros for stmt_status elements which previously
25534 were global variables.
25535 (init_stmt_for_function): Allocate stmt elt for current_function.
25536 Reflect that block_start_count was renamed to
25537 current_block_start_count.
25538 (save_stmt_status, restore_stmt_status): Delete functions.
25539 (preserve_subexpressions_p): Don't access loop_stack when outside
25541 (expand_start_bindings): Reflect that block_start_count was renamed to
25542 current_block_start_count.
25543 (expand_fixup): Likewise.
25544 (expand_decl): Don't access block_stack when outside a function.
25545 (expand_decl_cleanup): Likewise.
25546 (expand_dcc_cleanup): Likewise.
25547 (expand_dhc_cleanup): Likewise.
25548 (expand_anon_union_decl): Likewise.
25549 (set_file_and_line_for_stmt): New function.
25550 (in_control_zone_p): New function.
25552 * function.h (struct function): Add new elt stmt.
25553 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
25554 case_stack, nesting_stack, nesting_depth, block_start_count,
25555 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
25556 emit_lineno, goto_fixup_chain.
25557 (save_eh_status, restore_eh_status, save_stmt_status,
25558 restore_stmt_status): Delete declarations.
25559 * function.c (push_function_context_to): Don't call save_stmt_status.
25560 (pop_function_context_to): Don't call restore_stmt_status.
25561 * tree.h (in_control_zone_p): Declare.
25562 * rtl.h (set_file_and_line_for_stmt): Declare.
25564 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
25565 call set_file_and_line_for_stmt.
25567 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
25569 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
25570 Also update copyright.
25572 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25574 * c-pragma.c: Don't include "except.h".
25575 * emit-rtl.c: Likewise.
25576 * stor-layout.c: Likewise.
25577 * tree.c: Likewise.
25578 * varasm.c: Likewise.
25580 * flow.c: Include "function.h".
25581 * tree.h (init_dummy_function_start): Declare new function.
25583 * except.h (struct eh_status): New structure.
25584 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
25586 (eh_return_stub_label, ehstack, catchstack, ehqueue,
25587 catch_clauses, false_label_stack, caught_return_label_stack,
25588 protect_list, current_function_ehc): Add accessor macros for the
25589 corresponding fields in current_function->eh; delete declarations
25590 for all items that used to be declared here.
25591 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
25592 catch_clauses, false_label_stack, caught_return_label_stack,
25593 protect_list, current_function_ehc): Delete variables.
25594 (init_eh_for_function): Allocate current_function->eh.
25595 (save_eh_status, restore_eh_status): Delete functions.
25597 * function.h (struct function): Add fields next_global and eh.
25598 Delete all exception handling related fields.
25599 * function.c (current_function): New variable.
25600 (all_functions): New variable.
25601 (push_function_context_to): Don't allocate a struct function,
25602 use current_function instead. Call init_dummy_function_start when
25603 outside a function. Clear current_function before returning.
25604 (pop_function_context_from): Restore current_function.
25605 Don't free the restored struct function.
25606 (prepare_function_start): New function.
25607 (init_dummy_function_start): New function.
25608 (init_function_start): Break out some code into prepare_function_start
25611 * stmt.c (save_stmt_status): Don't call save_eh_status.
25612 (restore_stmt_status): Don't call restore_eh_status.
25614 * Makefile.in: Update dependencies.
25616 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
25618 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
25619 of depending on a magic constant value. Update comments.
25620 (hppa_expand_prologue): Similarly.
25622 * pa.md (reload_indi, reload_outdi): Allow any register for the
25623 original reload register.
25625 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
25627 * cccp.c (print_help): Change marcos to macros.
25629 1999-07-30 Richard Henderson <rth@cygnus.com>
25631 * c-typeck.c (initializer_constant_valid_p): Move ...
25632 * c-common.c (initializer_constant_valid_p): ... here. Use
25633 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
25634 of label addresses.
25635 * c-common.h (initializer_constant_valid_p): Declare.
25636 * c-tree.h (initializer_constant_valid_p): Remove.
25638 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
25640 * config/i386/sol2-c1.asm: Align the stack.
25641 * config/i386/sol2-gc1.asm: Likewise.
25643 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
25645 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
25646 -Asparclite for sparc86x.
25647 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
25649 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
25651 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
25653 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
25654 the user if using the non-default arch size in BI_ARCH configuration.
25655 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
25657 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
25658 Fix patterns so that they actually match.
25659 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
25660 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
25661 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
25663 (mulsidi3): Reflect this in the expand.
25664 (smulsi3_highpart): Only on TARGET_ARCH32.
25665 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
25666 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
25667 (umulsidi3): Reflect this in the expand.
25668 (umulsi3_highpart): Only on TARGET_ARCH32.
25669 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
25670 don't require g0 to be zero.
25671 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
25672 ({,u}divsi3): New expands.
25673 ({,u}divsi3_sp64): New patterns.
25674 (after lshrdi3_v8plus): Four new patterns to help combiner
25675 optimizing nested mixed mode shifts.
25677 * config/sparc/sparc.c (sparc_override_options): Use deprecated
25678 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
25679 speed things up. Don't use them by default on plain v9 in 64bit
25680 mode, according to what SPAMv9 sais.
25682 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
25683 top 32 bits of %[og][0-7] in signal handlers.
25684 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
25686 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
25688 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
25689 (ashlsi3): Corresponding changes.
25691 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
25693 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
25695 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
25697 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25699 * arm.h (Hint): Delete macro.
25700 Substitute HOST_WIDE_INT for Hint in some prototypes.
25701 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
25703 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
25705 * builtins.c (expand_builtin_setjmp): Use force_operand to
25706 make sure that the buffer address is in a suitable form to be
25707 passed to force_reg.
25709 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
25711 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
25714 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
25716 * pa.md (indirect_jump): Remove mode from match_operand. Verify
25717 proper mode in the condition string.
25718 (icacheflush, dcacheflush): Remove modes from match_operands.
25720 * pa.c (emit_move_sequence): Always convert scratch_reg to the
25721 proper mode before using it.
25723 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
25726 * pa.c (store_reg): Do not call add_high_const generator directly.
25727 (load_reg, set_reg_plus_d): Likewise.
25728 * pa.md (add_high_const): No longer a named pattern.
25730 * pa.c (legitimize_address): Consistently use Pmode rather than
25731 SImode. Do not call gen_pic2_highpart directly anymore.
25732 * pa.md (pic2_highpart): No longer a named pattern.
25733 (pic2_lo_sum): Similarly. Reformat to make more readable.
25735 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
25740 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25742 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
25744 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
25746 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
25747 and tag the spill mems.
25748 (hppa_va_start): New.
25749 (hppa_va_arg): New.
25750 * pa.h (EXPAND_BUILTIN_VA_START): New.
25751 (EXPAND_BUILTIN_VA_ARG): New.
25753 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
25755 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
25756 and tag the spill mems.
25757 (mn10300_va_start): New.
25758 (mn10300_va_arg): New.
25759 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
25760 (EXPAND_BUILTIN_VA_ARG): New.
25762 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
25764 * mn10200.c (mn10200_va_arg): New.
25765 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
25767 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
25769 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
25770 rather than play with TREE_INT_CST_LOW.
25772 1999-07-27 Philip Blundell <pb@nexus.co.uk>
25774 * config/arm/telf.h: Include dbxelf.h.
25775 (CPP_PREDEFINES): Only define if not already defined.
25776 (ASM_IDENTIFY_GCC): Likewise.
25777 (SUBTARGET_EXTRA_SECTIONS): Likewise.
25778 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
25779 * config/arm/thumb.h (LINK_SPEC): Only define if not already
25781 (DBX_DEBUGGING_INFO): Don't define.
25782 * config/arm/linux-telf.h: New file.
25783 * config/arm/linux-tgas.h: New file.
25784 * config/arm/t-thumb-linux: New file.
25785 * config/arm/uclinux-elf.h: New file.
25786 * config/arm/uclinux-telf.h: New file.
25787 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
25788 thumb-*-uclinux): New targets.
25789 * configure: Regenerate.
25791 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
25793 * pa.md (post_store, pre_load): New expanders.
25794 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
25795 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
25796 need to directly generate RTL for them.
25797 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
25800 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
25802 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
25803 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
25804 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
25805 (secndary_reload_class): Make TARGET_ELF conditional compile.
25806 (print_operand_address): Similar.
25807 (output_toc): Print all values as hex.
25808 (get_issue_rate): Rearrange and add RS64A and PPC630.
25809 * rs6000.h (processor_type): Add RS64A and PPC630.
25810 (PROCESSOR_POWERPC64): New.
25811 (PROMOTE_MODE): Use word_mode.
25812 (RTX_COSTS): Add RS64A and PPC630.
25813 * rs6000.md (scheduling information): Add lmul and ldiv
25814 representing 64-bit integer multiply and divide. Add rs64a and
25815 PPC630 information.
25816 (ashldi3): Add support for "rldic" instruction.
25817 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
25819 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
25821 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
25822 instead of V8 for sparclite86x in cpu_table.
25824 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25826 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
25827 output_file_directive.
25829 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
25831 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
25832 tree for op1, not the rtl.
25834 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
25836 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
25837 to m88k_va_start, leaving only the register spill.
25838 (m88k_build_va_list): New.
25839 (m88k_va_start): New.
25840 (m88k_va_arg): New.
25841 * m88k.h (BUILD_VA_LIST_TYPE): New.
25842 (EXPAND_BUILTIN_VA_START): New.
25843 (EXPAND_BUILTIN_VA_ARG): New.
25845 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
25847 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
25848 Rename from expand_builtin_saveregs.
25849 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
25851 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
25853 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
25854 for the register spill block.
25855 (i960_build_va_list): New.
25856 (i960_va_start): New.
25857 (i960_va_arg): New.
25858 * i960.h (BUILD_VA_LIST_TYPE): New.
25859 (EXPAND_BUILTIN_VA_START): New.
25860 (EXPAND_BUILTIN_VA_ARG): New.
25861 * i960.md (store_multiple): Use change_address on individul mems.
25863 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
25865 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
25867 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
25868 (expand_builtin_va_end): Evaluate arg for side effects.
25869 * c-common.c (c_common_nodes_and_builtins): Construct a
25870 va_list_arg_type_node to handle array decomposition to pointer.
25872 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
25874 * except.c (st_dynamic_cleanup): Use force_operand on the
25877 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
25879 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
25880 * c4x.c (c4x_va_arg): New.
25882 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
25884 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
25885 has manual_pop set.
25887 1999-07-26 Nathan Sidwell <nathan@acm.org>
25889 * eh-common.h (__eh_matcher): Prototype correctly.
25891 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
25893 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
25894 (TARGET_SINGLE_PIC_BASE): Likewise.
25895 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
25897 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
25898 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
25899 (TARGET_OPTIONS): Add -mpic-register=N.
25900 (OUTPUT_INT_ADDR_CONST): New macro.
25901 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
25902 LEGITIMATE_PIC_OPERAND_P): Likewise.
25903 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
25904 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
25905 output_addr_const directly.
25906 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
25908 (thumb_pic_register, thumb_pic_register_string): Declare.
25910 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
25912 (label_mentioned_p): New function: Imported from arm.c.
25913 (legitimize_pic_address): New function: Imported from arm.c.
25914 (is_pic):New function: Imported from arm.c.
25915 (thumb_finalize_pic):New function: Imported from arm.c.
25916 (add_constant): Cope with PIC constants.
25917 (fixit): Cope with PIC constants.
25918 (output_return): Do not treat the PIC register as live if
25919 TARGET_SINGLE_PIC_BASE is true.
25920 (thumb_function_prologue): Do not treat the PIC register as live if
25921 TARGET_SINGLE_PIC_BASE is true.
25922 (thumb_expand_prologue): Do not treat the PIC register as live if
25923 TARGET_SINGLE_PIC_BASE is true.
25924 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
25925 TARGET_SINGLE_PIC_BASE is true.
25926 (thumb_print_operand): Accept '|'.
25927 (thumb_override_options): Process PIC options.
25929 * config/arm/thumb.md (movsi): Support PIC.
25930 (call_insn): Change "i" constraint to "X".
25931 (call_value_insn): Likewise.
25932 (consttable_4, consttable_8, consttable_end): Set and clear
25933 "making_const_table" as appropriate.
25934 (pic_load_addr, pic_add_dot_plus_four): New insns.
25936 * invoke.texi (Thumb Options): Fix spelling. Document new
25937 options -msingle-pic-base and -mpic-register=.
25939 1999-07-26 Andrew Haley <aph@cygnus.com>
25941 * config/m32r/initfini.c (__init): Use a full word immediate for
25942 __fini: this allows it to be placed in any memory region.
25944 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
25945 -mmodel=medium. This is OK for all memory models.
25947 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
25949 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
25950 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
25952 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
25954 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
25957 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
25959 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
25961 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
25962 (BUILD_VA_LIST_TYPE): New.
25963 (EXPAND_BUILTIN_VA_START): New.
25964 (EXPAND_BUILTIN_VA_ARG): New.
25965 * i860.c (output_delayed_branch): Disable.
25966 (output_delay_insn): Likewise.
25967 (i860_saveregs): New.
25968 (i860_build_va_list): New.
25969 (i860_va_start): New.
25970 (i860_va_arg): New.
25971 * i860.md: Disable all peepholes using output_delayed_branch.
25972 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
25974 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
25976 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
25977 (BUILD_VA_LIST_TYPE): New.
25978 (EXPAND_BUILTIN_VA_START): New.
25979 (EXPAND_BUILTIN_VA_ARG): New.
25980 * clipper.c (clipper_builtin_saveregs): Only dump registers.
25981 Return the address of the save area.
25982 (clipper_build_va_list): New.
25983 (clipper_va_start): New.
25984 (clipper_va_arg): New.
25986 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
25988 * arc.h (EXPAND_BUILTIN_VA_START): New.
25989 (EXPAND_BUILTIN_VA_ARG): New.
25990 * arc.c (arc_setup_incoming_varargs): Set alias set of
25992 (arc_va_start): New.
25995 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
25997 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
25998 (BUILD_VA_LIST_TYPE): New.
25999 (EXPAND_BUILTIN_VA_START): New.
26000 (EXPAND_BUILTIN_VA_ARG): New.
26001 * alpha.c (alpha_builtin_saveregs): Delete.
26002 (alpha_build_va_list): New.
26003 (alpha_va_start): New.
26004 (alpha_va_arg): New.
26006 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
26008 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
26010 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
26011 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
26013 * gcc.texi: More changes related to list conversion.
26014 * invoke.texi: Likewise.
26016 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
26018 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
26019 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
26020 (expand_builtin_next_arg): Accept ARGLIST not EXP.
26021 (stabilize_va_list): New function.
26022 (std_expand_builtin_va_start): New function.
26023 (expand_builtin_va_start): New function.
26024 (get_varargs_alias_set): New function.
26025 (std_expand_builtin_va_arg): New function.
26026 (expand_builtin_va_arg): New function.
26027 (expand_builtin_va_end): New function.
26028 (expand_builtin_va_copy): New function.
26029 (expand_builtin): Call them.
26030 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
26031 __builtin_{varargs_start,stdarg_start,end,copy}.
26032 (build_va_arg): New function.
26033 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
26034 (build_va_arg): Declare.
26035 * c-decl.c (ptr_type_node, va_list_type_node): New.
26036 * c-parse.gperf (__builtin_va_arg): New.
26037 * c-parse.in (VA_ARG): New token.
26038 (unary_expr): Recognize it.
26039 * expr.c (expand_expr): Expand VA_ARG_EXPR.
26040 * expr.h (std_expand_builtin_va_start): Declare.
26041 (std_expand_builtin_va_arg): Declare.
26042 (expand_builtin_va_arg): Declare.
26043 (get_varargs_alias_set): Declare.
26044 * tree.def (VA_ARG_EXPR): New.
26045 * tree.h (BUILT_IN_VARARGS_START): New.
26046 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
26047 (ptr_type_node, va_list_type_node): Declare.
26048 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
26049 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
26050 * m88k.h, m88k.c: Likewise.
26051 * mn10300.h, mn10300.c: Likewise.
26052 * pa.h, pa.c: Likewise.
26053 * rs6000.h, rs6000.c: Likewise.
26054 * sh.h, sh.c: Likewise.
26055 * sparc.h, sparc.c: Likewise.
26057 * emit-rtl.c (operand_subword): Copy alias set.
26058 (change_address): Likewise.
26060 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
26062 * pa.c (compute_frame_size): Scan all the used callee saved registers,
26063 not just the first one.
26065 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
26067 * config/arm/arm.h (TARGET_SWITCHES): Add
26068 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
26069 (TARGET_OPTIONS): Add -mpic-register=.
26070 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
26071 (arm_pic_register_string): Declare.
26072 (NEED_PLT_GOT): Delete, replace with ...
26073 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
26074 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
26075 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
26076 * config/arm/arm.c (arm_override_options): Add new option
26078 (arm_pic_register_string): New variable.
26079 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
26080 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
26081 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
26082 (output_return_instruction): Likewise.
26083 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
26084 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
26085 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
26087 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
26088 mention of -msched-prolog. Document new options -msingle-pic-base
26089 and -mpic-register=.
26091 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
26093 * haifa-sched.c (reemit_notes): Tidy.
26094 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
26097 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
26099 * explow.c (trunc_int_for_mode): New function.
26100 (plus_constant_wide): Use it.
26101 * combine.c (simplify_and_const_int): Likewise.
26102 (merge_outer_ops): Likewise.
26103 (simplify_shift_const): Likewise.
26104 * cse.c (simplify_unary_operation): Likewise.
26105 (simplify_binary_operation): Likewise.
26106 * emit-rtl.c (operand_subword): Likewise.
26107 * rtl.h: Declare it.
26109 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26111 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
26112 (use NUM_REGS instead of NUM_INTS).
26114 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26116 * builtins.c: New file.
26117 * expr.c (saveregs_value, apply_args_value): Delete definition,
26118 moved into builtins.c.
26119 (string_constant): No longer static.
26120 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
26121 apply_args_size, apply_result_size, result_vector,
26122 expand_builtin_apply_args, expand_builtin_apply,
26123 expand_builtin_return): Delete functions, moved into builtins.c.
26124 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
26125 * expr.h (saveregs_value, apply_args_value): Declare variables.
26126 (expand_builtin, string_constant): Declare functions.
26127 * Makefile.in: Update to build builtin.o.
26129 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
26131 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
26132 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
26133 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
26134 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
26136 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
26139 1999-07-21 Michael Meissner <meissner@cygnus.com>
26141 * print-rtl.c (print_rtx): Print the names of the virtual
26144 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
26146 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
26147 introduced in previous delta.
26149 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26151 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
26152 to avoid name clash.
26154 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
26156 * c-lex.c (yylex) : Correct the test for overflow when lexing
26159 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
26161 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
26162 (adjust_priority): Always call ADJUST_PRIORITY.
26163 (schedule_insn): Only put insns into the ready at cost 0.
26164 (schedule_block): Remove redundant initial sort. Give clock_var
26165 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
26167 * tm.texi (MD_SCHED_REORDER): Update docs.
26169 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
26170 * sparc.c (ultra_reorder_called_this_block): Delete.
26171 (ultrasparc_sched_init): Don't set it.
26172 (ultrasparc_sched_reorder): Don't check it.
26174 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
26176 * rs6000.h (struct rs6000_args): Add sysv_gregno.
26177 * rs6000.c (init_cumulative_args): Init sysv_gregno.
26178 (function_arg_boundary): Align DFmode.
26179 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
26180 to get fp reg and stack overflow correct.
26181 (function_arg): Likewise.
26182 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
26183 (setup_incoming_varargs): Restructure for ABI_V4; use
26184 function_arg_advance to skip final named argument.
26185 (expand_builtin_saveregs): Properly unskip the last integer arg
26186 when doing varargs. Adjust overflow location calculation.
26188 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
26189 explicitly unsigned.
26190 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
26191 (__VA_GP_REGSAVE): Similarly.
26192 (__va_longlong_p): Delete.
26193 (__va_arg_type_violation): New declaration.
26194 (va_arg): Restructure. Flag promotion errors. Align double.
26195 TFmode passed by reference.
26197 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
26198 in the HOST_BITS_PER_WIDE_INT > 32 case.
26200 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
26202 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
26204 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
26206 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
26207 * toplev.c (documented_lang_options): Add -fpreprocessed.
26208 * cpplib.h (struct cpp_buffer): Add preprocessed.
26209 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
26210 (cpp_start_read): Don't expand macros or emit an initial #line
26211 directive if -fpreprocessed.
26213 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26215 * cpplib.h (struct cpp_buffer): Added manual_pop for
26216 better C++ tokenization.
26217 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
26218 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
26219 * c-common.c (cpp_token): Make non-static.
26221 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26223 * c-common.h: New file.
26224 * c-common.c (permanent_obstack): Delete unused declaration.
26225 (c_global_trees): New array.
26226 (c_common_nodes_and_builtins): New function; split off common code
26227 from init_decl_processing in both c-decl.c and cp/decl.c.
26228 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
26229 c_global_trees and accessor macros defined in c-common.h.
26230 Include c-common.h.
26231 * c-decl.c: Delete definitions for tree nodes that were replaced by
26233 (init_decl_processing): Build void_list_node.
26234 Call c_common_nodes_and_builtins; delete code to generate the common
26236 * objc/objc-act.c (build_module_descriptor): Rename variable
26237 void_list_node to avoid clash with c-common.h.
26239 * Makefile.in: Update dependencies.
26240 * objc/Make-lang.in: Likewise.
26242 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
26244 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
26245 (UNIQUE_SECTION_P): Likewise.
26246 (UNIQUE_SECTION): Likewise.
26248 1999-07-19 Linas Vepstas <linas@linas.org>
26250 * config/i370/README: New file.
26251 * config/i370/linux.h: New file.
26252 * config/i370/mvs.h: New file.
26253 * config/i370/oe.h: New file.
26254 * config/i370/t-linux: New file.
26255 * config/i370/t-mvs: New file.
26256 * config/i370/t-oe: New file.
26257 * config/i370/x-oe: New file.
26258 * config/i370/xm-linux.h: New file.
26259 * config/i370/xm-mvs.h: New file.
26260 * config/i370/xm-oe.h: New file.
26262 * i370.c (label_node_t): Add first_ref_page, label_addr,
26263 label_first_ref, label_last_ref members.
26264 (mvs_need_base_reload): Renamed from mvs_label_emitted.
26265 (MAX_MVS_LABEL_SIZE): Define.
26266 (MAX_LONG_LABEL_SIZE): Define.
26267 (alias_node_t, alias_anchor, alias_number): New.
26268 (mvs_function_table): Reorder for EBCDIC.
26269 (ascebc, ebcasc): Unconditionally define.
26270 (i370_branch_dest, i370_branch_length): New functions.
26271 (i370_short_branch, i370_label_scan): New functions.
26272 (mvs_get_label): Renamed from mvs_add_label. Search for
26273 an existing label before creating a new one.
26274 (mvs_add_label): New function.
26275 (mvs_get_label_page): New function.
26276 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
26277 over the entire list.
26278 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
26279 (mvs_check_page) [TARGET_ELF_ABI]: New function.
26280 (mvs_add_alias, mvs_need_alias): New functions.
26281 (mvs_get_alias, mvs_check_alias): New functions.
26282 (handle_pragma): New function.
26283 (mvs_function_check): New function.
26284 (unsigned_jump_follows_p): Search harder.
26285 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
26286 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
26287 * i370.h (TARGET_VERSION): Delete.
26288 (CPP_SPEC, CPP_PREDEFINES): Delete.
26289 (mvs_label_emitted): Delete.
26290 (TARGET_EBCDIC): Delete.
26291 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
26292 (HANDLE_PRAGMA): Define.
26293 (HARD_REGNO_NREGS): Handle complex modes.
26294 (HARD_REGNO_MODE_OK): Likewise.
26295 (CLASS_MAX_NREGS): Likewise.
26296 (RET_REG): Likewise.
26297 (EXTRA_CONSTRAINT): Define.
26298 (RETURN_IN_MEMORY): True for DImode.
26299 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
26300 (FUNCTION_PROFILER): Delete.
26301 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
26302 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
26303 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
26304 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
26305 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
26306 (ASM_FILE_START): Add "RMODE ANY".
26307 (ASM_OUTPUT_EXTERNAL): Check for aliases.
26308 (ASM_GLOBALIZE_LABEL): Likewise.
26309 (ASM_OUTPUT_LABELREF): Likewise.
26310 (ASM_OUTPUT_COMMON): Likewise.
26311 (PRINT_OPERAND): Handle 'K', 'W', default.
26312 (PRINT_OPERAND_ADDRESS): New.
26313 (Lots of defines): Add support for TARGET_ELF_ABI.
26314 * i370.md (attr length): New. Define for all patterns.
26315 (*): Lots of tweeks to assembly output and constraints.
26317 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
26319 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
26320 Disable patterns performing SImode comparisons with SImode values
26321 if TARGET_POWERPC64 and instruction does not sign-extend or does
26322 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
26323 differ for signed quantities.
26324 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
26325 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
26326 (decrement_and_branch_on_count): Add 64-bit variant.
26328 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26330 * final.c (output_asm_insn): When searching for the matching string
26331 for a given dialect, don't run past the end of the list of
26332 alternatives if there are fewer alternatives in the template than
26335 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
26337 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
26338 Removed paragraph about compression of files and size limitation,
26339 duplicated in the FAQ. Use gcc-patches for posting patches.
26340 * gcc.c (main): Updated URL with bug reporting instructions to
26341 gcc.gnu.org. Removed e-mail address.
26342 * system.h (abort): Likewise.
26344 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26346 * Makefile.in (stmp-multilib-sub): Make the files extracted
26347 from $(LIBGCC1) writable.
26349 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
26351 * config/arm/aout.h: Reformat for improved readability.
26353 * config/arm/arm.h: Reformat for improved readability.
26354 Replace uses of fprintf with asm_fprintf where appropriate.
26355 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
26356 function declaration assembler actions.
26357 (NUM_INTS): New macro: Convert from bytes to words.
26358 (NUM_REGS): New macro: Compute number of registers required to
26359 hold a quanitity of tyep MODE.
26360 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
26362 (NUM_ARG_REGS): New macro: The number of argument registers
26364 (ARG_REGISTER): New macro: Compute the register number of the Nth
26366 (LAST_ARG_REGNUM): New macro: The number of the last argument
26368 (SP_REGNUM): New macro: Register number of the stack pointer.
26369 (FP_REGNUM): New macro: Register number of the frame pointer.
26370 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
26371 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
26372 CUMULATIVE_ARGS so that it counts registers not bytes.
26374 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
26376 Replace uses of fprintf with asm_fprintf where appropriate.
26377 (output_ascii_pseudo_op): Replace with version from thumb.c
26379 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
26381 * config/arm/elf.h (CPP_PREDEFINES): Replace with
26382 SUBTARGET_CPP_SPEC.
26383 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
26384 (ASM_FILE_START): Emit ASM_APP_OFF.
26386 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
26388 * pa.c (compute_frame_size): Round frame according to
26389 STACK_BOUNDARY rather than a hardwired value.
26391 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
26393 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
26395 * configure: Rebuilt.
26397 * configure.in (hppa*-*-linux*): New configuration.
26398 * configure: Rebuilt.
26399 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
26400 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
26401 * pa/pa-linux.h: New file.
26402 * pa/t-linux: New file.
26403 * pa/xm-linux.h: New file.
26405 * pa.c (hppa_legitimize_address): Change references from SImode to
26406 either Pmode or word_mode as appropriate.
26407 (emit_move_sequence, store_reg, load_reg): Likewise.
26408 (set_reg_plus_d, hppa_expand_prologue): Likewise.
26409 (output_mul_insn): Likewise.
26410 * pa.h (PROMOTE_MODE): Likewise.
26411 (INITIALZE_TRAMPOLINE): Likewise.
26412 (Pmode): Define to word_mode.
26414 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
26415 value of 4. Allocate 8 bytes for each FP register save.
26416 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
26418 (hppa_expand_prologue): Likewise.
26419 * pa.h (PROMOTE_MODE): Likewise.
26420 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
26421 (FUNCTION_ARG_BOUNDARY): Likewise.
26423 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
26425 * pa.c (out_of_line_prologue_epilogue): Delete.
26426 (override_options): Remove -mspace related code.
26427 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
26428 (compute_frame_size): Only allocate space for register that
26429 actually need to be saved.
26430 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
26431 (TARGET_SWITCHES): Remove -mspace, -mno-space
26432 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
26433 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
26434 * pa/ee.asm, pa/ee_fp.asm: Delete.
26436 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
26438 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
26439 directive in column zero.
26441 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
26443 * m68k.c (output_function_prologue): Fix computation of save mask
26444 when generating PIC code.
26446 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
26448 * tree.c (build_type_attribute_variant): Move current_obstack restore
26449 after build_qualified_type call.
26451 1999-07-15 Mark Mitchell <mark@codesourcery.com>
26453 * configure.in: Use t-iris6, even with GNU LD.
26454 * config/mips/iris6gld.h: Fix typo in linker spec.
26455 * config/mips/t-iris6gld: Remove.
26457 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
26459 * rs6000.md (insv, extzv): Remove SImode dependence in named
26460 patterns. Explicitly generate DImode RTL if PowerPC64 and
26462 (insvdi): Reverse start and size in instruction template.
26464 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
26466 * invoke.texi: Typo fixes.
26468 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
26470 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
26471 handle at this time instead of silently generating incorrect code.
26472 (gen_imagpart): Likewise.
26474 * reload.c (find_reloads): Emit a USE for a pseudo register without
26475 a hard register if we could not create an optional reload for the
26478 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26480 * c-typeck.c (output_init_element, process_init_element):
26481 When advancing constructor_unfilled_fields for a RECORD_TYPE,
26482 check for nameless bit fields.
26484 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
26486 * regclass.c (scan_one_insn): Notice subregs that change the
26487 size of their operand.
26488 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
26490 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
26492 * configure.in (alpha*-*-*): Include alpha/t-ieee.
26493 * configure: Rebuilt.
26494 * alpha/t-ieee: New file.
26496 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
26498 * rs6000.c (find_addr_reg): Do not select r0 as an address
26501 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
26503 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
26505 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
26507 * rs6000.md (movsf): Do not force easy FP constants into memory.
26509 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
26510 immed_double_const to ensure they are properly truncated then
26513 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26515 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
26516 always unless NO_DEBUG is used. Compile this code
26518 (replace_symbols_in_block): Compile it unconditionally.
26520 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
26522 * configure.in (i?86-*-elf*): New target.
26523 * configure: Rebuilt.
26524 * i386/i386elf.h, i386/t-i386elf: New files.
26526 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26528 * toplev.c (main): Don't complain about saying -gdwarf.
26529 (rest_of_compilation): Remove redundant code.
26531 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
26533 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
26535 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
26537 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
26538 "Li960R:", to avoid name clash.
26540 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26542 * loop.c (check_dbra_loop): When reversing a loop, delete all
26543 REG_EQUAL notes referencing the reversed biv except those which are
26544 for a giv based on it.
26546 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
26548 * version.c: Drop "gcc-" prefix from version #.
26550 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
26552 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
26553 the label if we're being verbose.
26555 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
26557 * m68k.c (output_function_prologue): Add pic register to mask
26558 if live and flag_pic.
26559 (output_function_epilogue): Likewise.
26561 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
26563 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
26564 directives in column zero.
26566 * pa/elf.h (ASM_FILE_START): Define.
26567 * pa/som.h (ASM_FILE_START): Include .level directives.
26568 * pa/hpux10.h (ASM_FILE_START): Delete.
26569 * pa/hpux11.h (ASM_FILE_START): Delete.
26571 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
26573 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26575 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
26576 when reload_out equals reload_in.
26578 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
26580 * invoke.texi (Spec Files): New node: Describe the contents of
26583 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
26585 * invoke.texi (DEC Alpha Options): Put @end table at
26586 beginning of line, to avoid confusing texi2html.
26588 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
26590 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
26591 introduced in previous delta.
26593 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26595 * reload1.c (gen_reload): When synthesizing a 3 operand add
26596 sequence, improve test for when to reload OP1 into the reload
26597 register instead of OP0.
26599 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
26601 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
26603 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
26605 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
26608 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
26610 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
26611 (va_dcl): Use __builtin_va_alist_t.
26613 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
26615 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
26616 on the permanent_obstack.
26617 * dwarfout.c (output_type): Likewise.
26619 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
26621 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26622 Merged from c-typeck.c and cp/typeck.c.
26623 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26624 Merged into c-common.
26626 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
26628 * c-lex.c (errorcount): Declare it.
26629 (finish_parse): Update errorcount when using CPPLIB.
26631 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
26633 * fixinc/inclhack.def(end_else_label): Double the backslash so
26634 sed gets a chance to see it.
26635 * fixinc/inclhack.sh: regen
26636 * fixinc/fixincl.x: regen
26638 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
26640 Add framework to support armv5 architecture when it becomes
26643 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
26644 (arm_arch5): New variable.
26645 (all_architectures): Add armv5 line.
26646 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
26647 -march=armv5 is specified on the command line.
26648 (arm_arch5): Export this variable.
26649 * invoke.texi: Document new string accepted by -march= switch for
26652 * config/arm/arm.h: Replace use of constant 12 as a register
26653 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
26654 * config/arm/arm.c: Replace use of constant 12 as a register
26655 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
26657 * config/arm/elf.h: Tidy up.
26658 * config/arm/coff.h: Tidy up.
26660 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
26662 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
26663 * gcc/config/mips/t-iris6gld: New file.
26664 * gcc/config/mips/iris6gld.h: Likewise.
26666 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
26668 * c-decl.c (widest_integer_literal_type_node,
26669 widest_unsigned_literal_type) : New.
26670 (init_decl_processing): Handle/use the two new types.
26671 * c-common.c (type_for_size,type_for_mode) : Same.
26672 * c-lex.c (yylex) : Same.
26673 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26675 * c-tree.h (widest_integer_literal_type_node,
26676 widest_unsigned_literal_type) : New.
26678 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
26680 * dwarfout.c (field_byte_offset): Correctly compute the object's
26681 byte offset for the first bit of a field which crosses an alignment
26682 boundary on a !BYTES_BIG_ENDIAN target.
26684 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
26686 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
26689 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
26690 Jeff Law <law@cygnus.com>
26692 * ginclude/varargs.h (va_dcl): Use word_mode for type of
26695 * except.c: Include intl.h.
26696 (expand_eh_return): Set current_function_cannot_inline.
26697 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
26698 * function.h (struct function): Add eh_return_stub_label.
26699 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
26700 * Makefile.in (except.o): Depend on intl.h.
26702 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
26704 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
26705 same as offsettable in cases 1 and 2.
26707 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
26709 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
26710 (extlh, extwh): Likewise.
26712 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
26714 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
26716 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
26718 * configure.in: Add arm-pe and thumb-pe targets.
26719 * configure: Regenerate.
26721 * thumb.c (arm_naked_function_p): New function: Determines if
26722 a function is naked (has no gcc generated prologue/epilogue).
26723 (is_called_in_ARM_mode): Return true if the func has the
26724 interfacearm attribute.
26725 (output_return): Do not generate a return for naked functions.
26726 (thumb_function_prologue): Do not generate a prologue for
26728 (thumb_expand_prologue): Do not generate a prologue for naked
26730 (thumb_expand_epilogue): Do not generate an epilogue for naked
26732 (arm_valid_machine_decl_attribute): New function, copied from
26733 arm.c: Permit naked and interfacearm attributes.
26735 * config/arm/pe.c: New file: Support code for arm-pe target.
26736 * config/arm/pe.h: New file: Header file for arm-pe target.
26737 * config/arm/tpe.h: New file: Header file for thumb-pe target.
26738 * config/arm/t-thumb-pe: New file: Makefile fragment for
26741 1999-07-01 Mark Kettenis <kettenis@gnu.org>
26743 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
26744 -fPIC or -fpic is specified.
26746 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
26748 * expr.c (emit_block_move): Use copy_to_mode_reg for
26749 !TARGET_MEM_FUNCTIONS case too.
26751 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
26753 * configure: Rebuilt.
26754 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
26755 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
26756 definitions made redundant by dbxelf.h inclusion. Delete
26757 lots of definitions related to assembly output that are
26758 specific to the SOM object format.
26759 * pa.c (output_function_prologue): Do not emit the function's
26761 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
26762 * pa-pro.h: Deleted.
26763 * som.h: New file with SOM specific definitions.
26764 * elf.h: New file with ELF specific definitions.
26766 * elfos.h (const_section): Output a tab before assembler directives.
26767 (ctors_section, dtors_section): Likewise.
26768 (ASM_OUTPUT_SECTION_NAME): Likewise.
26770 * pa/pa1.h: Delete unused file.
26772 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
26774 * configure.in (hppa*-hp-hpux11*): New configuration.
26775 * configure: Rebuilt.
26776 * pa/pa-hpux11.h: New file.
26777 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
26780 * mips.md (leasi, leadi): New patterns.
26782 * expr.c (emit_block_move): Properly handle case where one of the
26783 block move arguments has a queued increment or decrement.
26784 (clear_storage): Similarly. Fix formatting goof.
26786 1999-06-28 "David O'Brien" <obrien@NUXI.com>
26788 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
26789 semicolon from the BSD VA_LIST replacement expression.
26791 * fixinc/inclhack.sh: regen
26792 * fixinc/fixincl.x: regen
26794 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
26795 now use the fixincl program.
26797 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
26799 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
26800 case. Also make the PIC register call_used.
26802 * m68k.h (FINALIZE_PIC): Delete.
26803 * m68k.c (finalize_pic): Delete.
26805 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
26807 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
26810 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
26812 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
26814 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
26816 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
26818 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
26820 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
26822 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
26824 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
26826 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
26828 * rs6000.c (output_toc): Always use hex values for floating-point
26829 constants. Store single-precision values in upper-half of TOC
26830 entry in 64-bit mode.
26831 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
26832 to final constraints.
26833 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
26834 (fctiwz): Improve accuracy of RTL for pattern.
26836 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
26838 * expr.c (expand_expr): Allow RTL_EXPR's through the
26839 MAX_INTEGER_COMPUTATION_MODE checks.
26841 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
26843 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
26844 such that MASK_SUPPORT_ARCH is not negative.
26846 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
26848 * loop.c (verify_dominator): Properly handle ADDR_VEC and
26849 ADDR_DIFF_VEC insns that appear inside loops.
26851 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
26852 Jeff Law <law@cygnus.com>
26854 * rs6000.md (movdf_hardfloat32): Revert previous patch.
26855 Handle LO_SUM the same as offsettable in cases 1 and 2.
26856 * rs6000.c (find_addr_reg): Revert previous patch.
26858 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
26860 * system.h (strstr): New external function declaration.
26861 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
26862 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
26863 * config.in, configure: Rebuilt.
26865 1999-06-24 Tom Tromey <tromey@cygnus.com>
26867 * gcc.c (main): Read user-specified specs files after computing
26868 additional startfile_prefixes.
26870 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
26872 Revert these two patches:
26874 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26875 * loop.c (strength_reduce): When doing biv->giv conversion, update
26876 reg note of NEXT->insn.
26878 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26879 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26881 (recombine_givs): Set ix field after sorting.
26883 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26885 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
26886 for the parts of an UNSPEC / UNSPEC_VOLATILE.
26888 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
26890 *fixinc/inclhack.def: Add fix development commentary
26891 (read_ret_type): reactivate and add selection clause
26892 (zzz_*): tweak output file name to match what is used in hackshell.tpl
26893 *fixinc/{fixincl.x|inclhack.sh}: regen
26895 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
26897 * expr.c (expand_expr): STRIP_NOPS before checking against
26898 MAX_INTEGER_COMPUTATION_MODE
26899 (check_max_integer_computation_mode): Likewise.
26901 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
26903 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
26905 1999-06-22 Jim Wilson <wilson@cygnus.com>
26907 * expr.c (store_expr): When target is a promoted subreg, return a
26908 promoted subreg as a result.
26910 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
26912 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
26914 (dwarf2out_define): Mark unused parameters appropriately.
26915 (gen_unspecified_parameters_die): Ditto.
26916 (gen_subprogram_die): Fix signed/unsigned warnings.
26917 (gen_variable_die): Ditto.
26919 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
26921 * fixinc/inclhack.def(end_else_label): combined else_label
26922 and endif_label and fixed the sed expression.
26923 *fixinc/{fixincl.x|inclhack.sh}: regen
26925 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
26927 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
26928 'x' when handling non-offsettable addresses
26930 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
26932 * final.c (shorten_branches): Don't try to split an insn that has
26935 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
26937 * config/mips/mips.c (symbolic_expression_p): New function.
26938 (mips_select_rtx_section): Put symbolic expressions in the
26939 data section, not the read-only data section.
26941 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
26943 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
26945 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
26947 * collect2.c (main): Log frame table count.
26948 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
26949 (scan_prog_file) [COFF]: Handle frame tables.
26951 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
26952 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
26953 * alpha/elf.h: Undef them again.
26954 * alpha/vms.h: Remove their definitions.
26956 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26958 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
26959 remove the clobber of r0 and change the REG_UNUSED note to
26962 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
26964 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
26965 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
26966 fits in HOST_WIDE_INT and one uses union to access a long constant
26969 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
26971 * sparc.c (sparc_override_options): Don't allow profiling for
26972 code models other than medlow.
26973 (sparc_function_profiler): New function from old FUNCTION_PROFILER
26974 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
26975 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
26976 (sparc_block_profiler): Likewise.
26977 (sparc_function_block_profiler_exit): Likewise.
26978 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
26979 (FUNCTION_BLOCK_PROFILER): Likewise.
26980 (BLOCK_PROFILER): Likewise.
26981 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
26982 (MCOUNT_FUNCTION): New.
26983 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
26984 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
26985 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
26986 (MCOUNT_FUNCTION): New.
26987 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
26988 (BLOCK_PROFILER): Delete.
26989 (MCOUNT_FUNCTION): New.
26991 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
26993 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
26995 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26997 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27000 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27003 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27006 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27009 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
27011 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
27014 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
27016 * i386/djgpp.h (LIB_SPEC): New.
27017 (STARTFILE_SPEC): New.
27019 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
27021 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
27023 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
27026 * system.h (WSTOPSIG): New macro.
27028 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
27030 * c-pragma.c (push_alignment): Don't ignore alignments greater than
27032 (insert_pack_attributes): Take into account member natural
27035 * i386/winnt.c (exports_head): New static variable.
27036 (i386_pe_record_exported_symbol): New function.
27037 (i386_pe_asm_file_end): Use.
27038 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
27039 symbols to be emitted at end of assembly.
27040 (ASM_DECLARE_OBJECT_NAME): Likewise.
27041 (ASM_DECLARE_FUNCTION_NAME): Likewise.
27043 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
27046 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
27048 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
27051 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
27053 * haifa-sched.c (sched_analyze_1): Use free_list instead of
27054 zapping reg_last_uses directly.
27055 (sched_analyze_2, sched_analyze_insn): Likewise.
27056 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
27058 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
27060 * rs6000.md (movdf_hardfloat32): Use worst case insn length
27061 attributes for cases 1 and 2.
27063 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
27065 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
27068 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
27070 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
27072 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
27074 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
27075 PIC_OFFSET_TABLE_REGNUM for general alloaction.
27076 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
27077 must be stacked if it is used for PIC accesses.
27078 * arm.c (use_return_insn): Handle PIC register specially.
27079 (output_return_instruction): Likewise.
27080 (output_func_{prologue,epilogue}): Likewise.
27081 (output_expand_prologue): Likewise.
27083 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
27084 (*strsi_predec): Renamed from *strqi_predec.
27085 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
27086 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
27088 * arm.c (arm_override_options): Remove warning about PIC code
27089 not being supported.
27091 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
27093 * rs6000.c (find_addr_reg): New function.
27094 * rs6000.h (find_addr_reg): Declare.
27095 (offsettable_addr_operand): Delete.
27096 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
27097 from and stores to GPRs.
27099 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
27101 * alpha.c (alpha_expand_block_move): Use get_insns rather than
27102 gen_sequence as argument to emit_no_conflict_block.
27104 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27106 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
27107 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
27108 *fixinc/fixincl.x: regen
27109 *fixinc/inclhack.sh: regen
27111 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
27113 * added support for -mpcrel (PC relative addressing for m68k)
27114 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
27115 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
27116 * m68k.c (print_operand_address): Handle 32-bit PIC case.
27117 (comments for general_src_operand): Add some explanation
27118 about EXTRA_CONSTRAINTS.
27119 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
27120 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
27121 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
27122 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
27123 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
27124 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
27125 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
27126 if not already set.
27127 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
27128 * m68k.h (TARGET_PCREL): New target flag.
27129 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
27130 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
27131 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
27132 contains a SYMBOL_REF. Relax this constraint during reload, since
27133 we want to use the predicates, not reload's built-in concept of a
27134 valid memory address, to control what insns need reloading.
27135 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
27136 operands (essentially 'g', 'm', and 's' under normal circumstances).
27137 * m68k.c (print_operand): Cause printing of pc-relative addresses
27138 to include pc register.
27139 (print_operand_address): Ditto.
27140 (general_src_operand): Accept operands that are not only
27141 general_operands, but are also valid when used as a pc-relative
27143 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
27144 (memory_src_operand): Similar, for memory_operands.
27145 (pcrel_address): New predicate to accept the special case of a
27146 pc-relative address.
27147 * m68k.md (many patterns): Rewrite common SImode, HImode, and
27148 QImode insns to accept *_src_operand instead of *_operand where
27149 pc-relative operands can fit. For example, a pc-relative operand
27150 can be used as a memory source operand for addsi3, but not as a
27151 memory destination.
27152 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
27154 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
27156 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
27157 .thumb_set pseudo op to mark aliases of thumb functions.
27159 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
27161 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
27162 preference to ASM_OUTPUT_DEF, if it is defined.
27164 * tm.texi: Document new, optional target macro
27165 ASM_OUTPUT_DEF_FROM_DECLS.
27167 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27169 * fixincludes: ISCNTL patch
27170 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
27171 (dgux_int_varargs): new for DG/UX
27172 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
27174 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
27176 * invoke.texi (ia32 options): Fix typo.
27178 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27180 * loop.c (strength_reduce): When doing biv->giv conversion, update
27181 reg note of NEXT->insn.
27183 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
27185 * loop.c (move_movables): Note issues with replacing REGs with
27187 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
27189 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
27191 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
27193 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
27194 the reference to `mcount' was not correct for the ELF on FreeBSD.
27196 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27198 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27201 (recombine_givs): Set ix field after sorting.
27203 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
27205 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
27206 to safe to extract a subword out of a REG.
27208 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27210 * sh.md (mulsi3): Don't add a no-op move at the end.
27212 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27214 * cse.c (cse_insn): Don't put hard register source into tables for
27215 the last insn of a libcall.
27217 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27219 * loop.c (strength_reduce): Insert sets of derived givs at every
27220 biv increment, even if it's the only one.
27222 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
27224 * dwarfout.c (add_incomplete_type): New fn.
27225 (output_type): Call it.
27226 (retry_incomplete_types): New fn.
27227 (dwarfout_finish): Call it.
27229 From Eric Raskin <ehr@listworks.com>:
27230 (output_type): Output types for bases.
27232 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
27234 * mips.c (mips_output_conditional_branch): Add `break'
27235 between `default' label and `close braces'.
27237 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
27239 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
27240 specifications and make it realistic.
27241 (LIB_SPEC): Likewise.
27243 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
27245 * config/mips/mips.c (mips_secondary_reload_class): Check for
27246 (PLUS (SP) (REG)) and return appropriate register class.
27247 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
27248 Handle (PLUS (SP) (REG)).
27249 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
27250 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
27251 of emit_insn for tablejump.
27253 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
27255 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
27256 asm_fprintf format string by itself.
27257 (output_function_profiler): Likewise.
27259 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
27261 * combine.c (simplify_logical, case AND): Only call
27262 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
27263 or the constant is positive.
27265 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
27267 * configure.in: Fix typo in rs6000-ibm-aix4 case.
27268 * configure: Regenerate.
27270 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
27272 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
27273 require a sub-version #.
27274 * configure: Rebuilt.
27276 1999-06-14 Robert Lipe (robertlipe@usa.net)
27278 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
27280 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
27282 * c-typeck.c (process_init_element): Detect excess elements in
27283 char array initializer.
27285 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
27287 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
27289 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27291 * invoke.texi (Option Summary): Add -fpermissive flag.
27293 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
27295 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
27296 that require PIC code sequences.
27298 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
27300 * configure.in: Add new target: thumb-elf.
27301 * configure: Regenerate.
27302 * config/arm/t-thumb-elf: New file: Makefile fragment for
27304 * config/arm/telf.h: New file: Header file for thumb-elf
27307 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
27309 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
27310 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
27311 initializers is some circumstances.
27313 * fixinc/inclhack.def (endif_label): Add additional selector for
27314 more bogus stuff after #endif statements.
27315 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
27317 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
27319 * i386/cygwin.h (SET_ASM_OP): Define.
27321 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
27323 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
27325 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27327 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
27330 * sh.md (ic_invalidate_line_i): Remove second alternative.
27332 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27334 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
27335 test for the presence of valid prototypes. Delete bypass expr.
27336 (ioctl_fix_ctrl): Correct the selection expression.
27337 (no_double_slash): Correct quoting rules
27338 *fixinc/fixincl.x: regen
27339 *fixinc/inclhack.sh: regen
27341 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
27343 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
27345 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27347 * rs6000.md (movsi_got_internal_mem): Delete.
27348 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
27349 (GOT_TOC_REGNUM): Delete.
27350 (PIC_OFFSET_TABLE_REGNUM): Define.
27351 (FINALIZE_PIC): Disable.
27352 * rs6000.c (rs6000_got_register): New code for fixed pic register.
27353 (rs6000_replace_regno): Delete.
27354 (rs6000_finalize_pic): Likewise.
27355 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
27357 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27359 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
27360 is a note; use <= for the compare; advance P while it is
27363 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
27365 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
27366 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
27368 * varasm.c (remove_from_pending_weak_list): Verify t->name
27369 is non-NULL before passing it to strcmp.
27371 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27373 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
27374 the typed arguments are not part of a comment
27375 (ioctl_fix_ctrl): Added a purpose comment
27376 *fixinc/fixincl.x: regenerate
27377 *fixinc/inclhack.sh: regenerate
27379 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27381 * invoke.texi: Add C4x invocation docs.
27383 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27385 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
27387 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
27389 (c4x_legitimize_reload_address): New function.
27390 * config/c4x/c4x.md: Update docs.
27392 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
27394 * fixincludes: Avoid removing '.'.
27395 * fixinc/fixinc.svr4: Likewise.
27396 * fixinc/fixinc.winnt: Likewise.
27397 * fixinc/inclhack.tpl: Likewise.
27398 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
27400 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27402 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
27404 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
27406 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
27408 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
27411 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
27413 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
27414 * configure: Regenerate.
27416 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
27418 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
27421 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
27423 * fixinc/inclhack.def (avoid_bool): Also catch
27424 "typedef [unsigned] int bool".
27425 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27427 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
27428 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
27429 * configure: Rebuilt.
27431 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
27433 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
27434 such that we can override its definitions if necessary.
27435 (CPP_SPEC): New define. Support processor specific predefines via
27437 (CC1_SPEC): New define. Support processor specific compiler
27438 options via %(cc1_cpu).
27439 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
27442 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27444 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
27445 between sed's -e flag, and the open-quote following it.
27446 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27448 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
27449 Jeffrey A Law (law@cygnus.com)
27451 * varasm.c (assemble_start_function): Remove the function
27452 from the pending weak decls list when we define a function.
27453 (assemble_variable): Similarly for variables.
27454 (weak_finish): Ignore items on the list with a NULL name.
27455 (remove_from_ending_weak_list); New function to "remove" an item
27456 from the pending weak declarations list.
27458 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27460 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
27462 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
27464 * c-lex.c (GETC): Redefine to call getch.
27465 (UNGETC): Redefine to call put_back.
27466 (putback_buffer): New structure type.
27467 (putback): New static structure.
27468 (getch): New function.
27469 (put_back): New function.
27470 (yylex): Replace unused bytes from bad multibyte character.
27472 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
27474 * cpplib.c (do_define): Cast `alloca' return value.
27475 (do_include, do_undef, do_pragma): Likewise.
27476 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
27478 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
27479 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
27481 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
27483 * sparc.md (abstf2): This should be an expand.
27484 (split after abstf2_notv9): Fix mode.
27485 (abstf2_hq_v9): New pattern.
27486 (abstf2_v9): Only use when no hard quad.
27487 (absdf2_v9): Fix if target is not the same as source.
27488 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
27489 Add correct output constraints.
27491 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
27493 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
27494 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
27496 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
27498 * mips.h (mips_output_conditional_branch): New function.
27499 (mips_adjust_insn_length): Likewise.
27500 (ASSEMBLER_SCRATCH_REGNUM): New macro.
27501 (ADJUST_INSN_LENGTH): Likewise.
27502 * mips.c (print_operand): Add `F' and `W' for floating-point
27503 comparison opcodes.
27504 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
27506 (mips_adjust_insn_length): New function.
27507 (mips_output_conditional_branch): New function.
27508 * mips.md (length): Adjust attribute definition to handle
27509 conditional branches. Change lengths to bytes, rather than
27510 instructions throughout. Remove length attribute from
27511 instructions whose length is four bytes, and rely on the default
27513 (dslot): Fix typo in comment.
27514 Reword conditional branch patterns to use
27515 mips_output_conditional_branch.
27517 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
27519 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
27520 (LIB_SPEC): Likewise.
27521 Link with -lprof1_r for -g/-pg.
27523 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27525 * loop.c (check_dbra_loop): Fix change of Jan 19.
27527 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
27529 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
27530 (STARTFILE_SPEC): Define, override the svr4.h version.
27531 (ENDFILE_SPEC): Likewise.
27533 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
27535 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
27536 * fixinc/fixincl.x: Regenerated.
27537 * fixinc/inclhack.sh: Regenerated.
27539 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27541 * sh.c (barrier_align): Don't return early for normal branch/barrier
27542 when optimizing for SH2.
27544 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
27546 * i386/udk.h (LINK_SPEC): Correct linker search path for
27549 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27551 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
27552 (braf_label_ref_operand): Delete.
27553 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
27554 * sh.md (casesi_jump_2): Operand1 is now the inside of a
27555 label_ref, and has no predicate.
27556 The patten has a predicate to guard against invalid substitutions.
27557 (dummy_jump): Delete.
27558 (casesi): Update use of casesi_jump_2.
27560 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27562 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
27563 *fixinc/fixincl.x: regenerate
27564 *fixinc/inclhack.sh: regenerate
27566 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
27568 * dwarf2out.c (add_incomplete_type): New fn.
27569 (gen_struct_or_union_type_die): Call it.
27570 (retry_incomplete_types): New fn.
27571 (dwarf2out_finish): Call it.
27573 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
27575 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
27576 current block starts with a CODE_LABEL and ends with a CALL and
27577 we can not find all the argument setup instructions for the CALL.
27579 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
27581 Revert this change:
27582 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
27583 something is a candidate for optimize_bit_field_compare.
27585 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27587 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
27589 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
27591 * alpha.c (override_options): Thinko in last patch.
27593 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
27594 (LIB_SPEC): Recognize -pthread.
27596 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
27598 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
27599 definition in config/arm/coff.h
27600 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
27602 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27604 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
27605 fixes that need "file=xxx\n" prepended before invocation
27606 (start_fixer - new): starting the fixer process is complex enough
27607 to warrent its own routine. It prepends the "file=xxx\n" stuff.
27608 (process): uses the new routine; omit usage of putenv()
27609 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
27610 * fixinc/fixincl.x: regenerate
27612 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
27614 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
27615 and version #s (1.1 -> 2.96) as needed.
27616 * README.g77: Kill way out of date file in the toplevel directory.
27618 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
27620 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
27621 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
27622 * configure: Rebuilt.
27623 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
27624 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
27625 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
27626 (SWITCH_TAKES_ARG): Likewise.
27627 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
27628 * config/t-freebsd: Moved from config/i386/ so it can used for all
27631 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
27633 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
27635 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
27637 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
27638 * configure: Rebuilt.
27640 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
27642 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
27643 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
27644 * rs6000/rs6000.c (rs6000_file_start): Use putc.
27645 (rs6000_output_load_toc_table): Same.
27646 (output_prolog, output_mi_thunk): Same.
27647 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
27648 (ASM_GLOBALIZE_LABEL): Use putc.
27650 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
27652 * alpha.md (reload_*_help): New patterns and splitters.
27653 (reload_*): Use them.
27654 (mov[qh]i): Likewise.
27656 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
27658 * cccp.c (handle_directive): Handle backslash-newlines in quoted
27661 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
27663 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
27665 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
27667 * flow.c (mark_regs_live_at_end, insn_dead_p,
27668 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
27669 and HARD_FRAME_POINTER_REGNUM special treatment if reload
27670 hasn't run or the frame pointer is needed.
27671 * haifa-sched.c (attach_deaths): Likewise.
27672 * sched.c (attach_deaths): Likewise.
27674 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
27676 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
27677 calculate_can_reach_end returns nonzero.
27679 * configure.in (native gas tests): Search for an assembler in the
27680 same manner that the installed compiler will.
27681 * configure: Rebuilt.
27682 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
27684 * alias.c (find_base_term): Improve handling of addresses
27685 constructed from binary operations.
27687 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
27689 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
27691 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
27693 * function.h (cleanup_label, frame_offset): Declare.
27694 (tail_recursion_label, tail_recursion_reentry): Likewise.
27695 (arg_pointer_save_area, rtl_expr_chain): Likewise.
27696 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
27697 (tail_recursion_label, tail_recursion_reentry): Likewise.
27698 (arg_pointer_save_area, rtl_expr_chain): Likewise.
27700 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
27702 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
27704 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
27705 (MAX_OFILE_ALIGNMENT): Define.
27707 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
27709 * fixincl.c: Replace local include scheme with #includes of
27710 gansidecl.h and system.h.
27711 * procopen.c: Likewise.
27712 * server.c: Likewise.
27714 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
27716 * i386/t-dgux (EXTRA_PARTS): Add crti.o
27717 (crti.o): Add build rule and dependencies.
27718 * fixinc/fixinc.dgux: Use modified _int_varargs.h
27720 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27722 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
27723 (LIB_LINUX_SPEC): Likewise.
27724 (LIB_LINUX_SPEC): Add support for -pthread
27725 (CPP_OS_LINUX_SPEC): Likewise.
27726 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
27729 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
27731 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
27733 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
27734 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
27735 for IEEE math and CC_FCOMI.
27736 (put_jump_code): No IEEE if CC_FCOMI is set.
27738 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27740 * fold-const.c (fold_truthop): Make the field reference unsigned
27741 when converting a single bit compare.
27743 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27745 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
27747 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
27749 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
27750 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
27753 * reload.c (push_reload): Do not call remove_address_replacements
27754 when presented with identical optional reloads.
27756 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
27758 * alpha.h (MASK_FIX, TARGET_FIX): New.
27759 (MASK_*): Reorganize constants.
27760 (CPP_AM_FIX_SPEC): New.
27761 (TARGET_SWITCHES): Add FIX.
27762 (EXTRA_SPECS): Likewise.
27763 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
27764 (SECONDARY_MEMORY_NEEDED): Likewise.
27765 (REGISTER_MOVE_COST): Likewise.
27766 * alpha.c (override_options): Add FIX support. Always use
27767 ALPHA_TP_PROG for ev6.
27768 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
27769 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
27770 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
27772 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
27774 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
27775 something is a candidate for optimize_bit_field_compare.
27777 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
27779 * gcc.texi (Passes): Document branch-shortening.
27780 * invoke.texi (Debugging Options): Document the fact that `-dp'
27781 outputs length information for instructions.
27783 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
27785 * flow.c: Revert previous delta.
27787 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
27789 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
27790 FRAME_POINTER_REGNUM.
27791 (mark_set_1): Ditto.
27792 (mark_used_regs): Ditto.
27794 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
27796 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
27797 (GOT_PCREL): New macro. Define to 1 if not already defined.
27798 * arm/elf.h (GOT_PCREL): Define to 0.
27799 * arm.c (arm_finalize_pic): Take into account the setting of
27802 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
27804 * output.h (STRIP_NAME_ENCODING): Provide default definition.
27805 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
27807 * flow.c (mark_set_1): Do not record BLKmode stores as dead
27808 store elimination candidates.
27810 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
27812 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
27815 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
27817 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
27818 Add use of x-aix41-gld.
27820 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
27822 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
27823 (ASM_OUTPUT_DESTRUCTOR): Define.
27825 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
27827 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
27828 last CODE_LABEL in a loop if we have previously passed a jump
27829 to the top of the loop.
27831 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
27833 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
27834 applying Philip's patch.
27836 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
27838 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
27841 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
27843 * loop.c (strength_reduce): Grow reg_single_usage as needed.
27845 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
27847 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
27848 Also remove a useless comment.
27850 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27852 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
27854 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
27856 * collect2.c (main): Only generate import or export file and add
27857 to link arguments if non-empty. Use xmalloc not alloca.
27858 (write_{export,import}_file): Delete.
27859 (write_aix_file): New function.
27860 (locatelib): Use xmalloc not malloc.
27861 (GCC_OK_SYMBOL): Do not check type if aix64.
27863 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
27865 Based on patch by Scott Bambrough and Pat Beirne:
27866 * config/arm/arm.c (making_const_table): New variable.
27867 * config/arm/arm.h (making_const_table): Declare.
27868 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
27870 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
27871 Keep track of when we are building the constant table.
27873 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
27875 * config/arm/arm.c (arm_override_options): Fix erroneous warning
27878 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
27880 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
27883 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
27885 * tm.texi (FUNCTION_ARG): Correct description of a stack element
27888 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
27890 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
27892 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27894 * rs6000.c (output_mi_thunk): Enable full support again.
27896 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27898 * sh.h (BRANCH_COST): Define.
27900 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
27902 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
27904 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
27906 * function.c (assign_stack_local): Align stack slot propertly.
27907 (assign_outer_stack_local): Likewise.
27909 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
27911 * expr.h (lang_expand_constant): Declare.
27912 * toplev.c (lang_expand_constant): Define it.
27913 * varasm.c (output_constant): Use it.
27915 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27917 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
27918 Change function definitions to K&R style.
27920 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27922 * fixinc/fixincl.c: We must not ignore SIGCLD now.
27924 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
27926 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
27927 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
27928 (several places): omit static initialization
27929 (process): use single fd, since only the read fd is used
27930 * fixinc/gnu-regex.c: define 'const' away, if not supported
27931 * fixinc/procopen.c(several places): omit static initialization
27932 * fixinc/server.c: define 'volitile' away, if not supported
27934 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27936 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
27937 asm_fprintf and %L to generate the label name.
27938 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
27939 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
27941 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
27943 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
27944 insn for a conditional jump can not be found.
27946 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
27948 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
27949 on variables in specific sections other than .sbss and .sdata.
27951 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
27953 * stmt.c (expand_return): Call start_cleanup_deferral and
27954 end_cleanup_deferral around conditional code.
27956 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27958 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
27959 filename lists. Utilizes new "krstr" AutoGen function.
27960 * fixinc/fixincl.x: Rebuilt.
27962 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
27964 * i386.c (output_float_compare): Avoid GNU-C extensions.
27966 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
27968 * version.c: Bump to distinguish mainline tree from the
27971 See ChangeLog.1 for earlier changes.