1 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
4 TYPE_MAIN_VARIANT of ERROR_MARK.
5 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
7 * simplify-rtx.c (simplify_unary_operation): Add cases
8 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
10 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
12 * expr.h (emit_library_call, emit_library_call_value): Delete
14 * rtl.h (enum libcall_type): New.
15 (emit_library_call, emit_library_call_value): Change fn_type arg to
16 be of type enum libcall_type.
17 * calls.c: Likewise for the function definitions. Several callers
18 throughout changed to use the new enumeration appropriately.
19 (emit_library_call_value_1): Likewise. Put back code to make libcall
20 blocks of equal form, but only use it for the two new higher
23 2000-09-16 Mark Mitchell <mark@codesourcery.com>
25 Convert the C front-end to use function-at-a-time mode.
26 * c-common.h: Include splay-tree.h.
27 (C_DECLARED_LABEL_FLAG): New macro.
28 (struct language_function): Add x_scope_stmt_stack and
29 x_function_name_declared_p.
30 (RECHAIN_STMTS): Move definition.
31 (lang_statment_code_p): Likewise.
32 (lang_expand_stmt): Likewise.
33 (lang_expand_decl_stmt): New variable.
34 (lang_expand_function_end): Likewise.
35 (current_scope_stmt_stack): New function.
36 (add_decl_stmt): Likewise.
37 (add_scope_stmt): Likewise.
38 (mark_stmt_tree): Likewise.
39 (struct c_lang_decl): New structure.
40 (DECL_SAVED_TREE): Define.
41 (c_mark_lang_decl): New function.
42 (c_expand_start_cond): Change prototype.
43 (c_finish_then): New function.
44 (c_finish_else): Likewise.
45 (current_function_name_declared): Remove.
46 (set_current_function_name_declared): Likewise.
47 (mark_c_language_function): Declare.
48 (case_compare): Likewise.
49 (c_add_case_label): Likewise.
50 (c_expand_expr): Likewise.
51 (c_safe_from_p): Likewise.
52 * c-common.c (lang_expand_function_end): New variable.
53 (struct if_elt): Add if_stmt.
54 (c_expand_start_cond): Add the if-statement to the statement-tree,
55 rather than generating RTL.
56 (c_finish_then): New function.
57 (c_expand_start_else): Don't generate RTL.
58 (c_finish_else): New function.
59 (c_expand_expr_stmt): Don't generate RTL.
60 (statement_code_p): Add SCOPE_STMT.
61 (case_compare): New function.
62 (c_add_case_label): Likewise.
63 (mark_stmt_tree): Likewise.
64 (c_mark_lang_decl): Likewise.
65 (mark_c_language_function): Likewise.
66 (c_expand_expr): Likewise.
67 (c_safe_from_p): Likewise.
68 * c-decl.c (c_stmt_tree): New variable
69 (c_scope_stmt_stack): Likewise.
70 (c_function_name_declared_p): Likewise.
71 (lang_expand_expr_stmt): Remove.
72 (poplevel): Don't call output_inline_function for nested
74 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
76 (redeclaration_error_message): Change means of computing whether
77 or not a function is nested.
78 (lookup_label): Don't call label_rtx.
79 (init_decl_processing): Add more GC roots.
80 (start_decl): Add DECL_STMTs to the statement-tree, rather than
81 calling rest_of_decl_compilation.
82 (finish_decl): Don't call expand_decl.
83 (store_parm_decls): Begin the statement-tree, but don't generate
85 (finish_function): Tie off the statement-tree. Call c_expand_body
87 (c_expand_body): New function.
88 (push_c_function_context): Save more information.
89 (pop_c_function_contxt): Likewise.
90 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
91 (lang_mark_tree): Mark it.
92 (current_stmt_tree): Adjust.
93 (current_scope_stmt_stack): New function.
95 (set_current_name_declared): Likewise.
96 (c_begin_compound_stmt): Define.
97 (c_expand_decl_stmt): Likewise.
98 * c-lang.c: Include rtl.h and expr.h.
99 (lang_init): Set more language-specific hooks.
100 * c-lex.c: Include expr.h.
101 * c-parse.in: Changes throughout to add statements to the
102 statement-tree, rather than generating RTL after every statement.
103 * c-semantics.c (lang_expand_decl_stmt): Define.
104 (add_decl_stmt): New function.
105 (add_scope_stmt): Likewise.
106 (finish_stmt_tree): Tweak.
107 (genrtl_expr_stmt): Likewise.
108 (genrtl_decl_stmt): Handle local labels, and call
109 lang_expand_decl_stmt if required.
110 (genrtl_for_stmt): Fix line-number handling.
111 (genrtl_case_label): Handle cleanups.
112 (genrtl_asm_stmt): Don't call combine_strings.
113 (genrtl_compound_stmt): Simplify.
114 (expand_stmt): Handle SCOPE_STMTs.
115 * c-tree.h (struct lang_decl): New structure.
116 (C_DECLARED_LABEL_FLAG): Remove.
117 (c_begin_compound_stmt): Declare.
118 (c_expand_decl_stmt): Likewise.
119 (c_expand_start_case): Rename to c_start_case.
120 (c_finish_case): New function.
121 * c-typeck.c (start_init): Tweak setting of
122 constructor_incremental.
123 (c_expand_asm_operands): Tweak error-handling. Add to the
125 (c_expand_return): Add to the statement-tree.
126 (c_expand_start_case): Rename to ...
127 (c_start_case): ... this.
128 (struct c_switch): New type.
129 (switch_stack): New variable.
131 (c_finish_case): New function.
132 * dependence.c: Include expr.h.
133 (enum dependence_type): Change spelling of enumerals.
134 (check_node_dependence): Adjust.
135 * expr.h (lang_safe_from_p): Declare.
136 (safe_from_p): Likewise.
137 * expr.c (lang_safe_from_p): New variable.
138 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
139 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
140 * toplev.c (rest_of_decl_compilation): Robustify.
141 * tree.c (contains_placeholder_p): Likewise.
142 * Makefile.in: Update dependencies.
143 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
144 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
145 (objc_expand_function_end): New function.
146 (finish_method_def): Use it.
147 (init_objc): Initialize more language-specific hooks.
148 * objc/Make-lang.in: Update dependencies.
150 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
152 * configure.in: Define macros that affect features before
153 testing for features. Don't define _XOPEN_SOURCE.
154 * configure: Regenerated.
155 * config.in: Regenerated.
157 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
159 * rtlanal.c (rtx_varies_p): Volatile asms vary.
160 (rtx_unstable_p): Restructure code. Volatile asms
163 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
165 * function.h (no_debugging_symbols): New field.
166 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
167 Initialize no_debugging_symbols.
168 (output_inline_function): Save and restore write_symbols and set from
169 no_debugging_symbols.
170 * toplev.c (rest_of_compilation): Call save_for_inline.
171 * tree.h: Update comment.
173 * stor-layout.c (place_field): Don't do anything if field or
174 its type are ERROR_MARK.
176 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
178 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
179 (read_include_file): Ensure inc->mmaped is initialized.
181 2000-09-16 Richard Henderson <rth@cygnus.com>
183 * cppiles.c (purge_cache): Use PTR not caddr_t.
185 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
187 * gcc.c: In description for %{<S}, say the option removed is -S.
188 * invoke.texi (Spec Files): Ditto.
190 2000-09-16 Andreas Jaeger <aj@suse.de>
192 * configure.in: Always define _GNU_SOURCE to make interfaces
193 visible that were hidden by only defining _GNU_SOURCE.
194 * configure: Regenerated.
196 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
198 * cpplex.c (push_macro_context): Set an argument's level after
199 calling parse_args. We could loop infinitely otherwise.
201 2000-09-15 Tom Tromey <tromey@cygnus.com>
203 * configure, config.in: Rebuilt.
204 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
206 2000-09-15 Greg McGary <greg@mcgary.org>
208 * cppmacro.c (check_trad_stringification): Check token
209 text pointers against limit before dereferencing.
211 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
213 * c-common.c (format_wanted_type): New structure.
214 (check_format_types): New function.
215 (check_format_info): Pass all checking of types of format
216 arguments, including width and precision arguments, to this new
219 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
223 2000-09-15 Jakub Jelinek <jakub@redhat.com>
225 * config/alpha/alpha.c (override_options): ev6 cache latencies
226 from Richard Henderson. Don't allow -mmemory-latency=L0.
228 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
229 (TARGET_OPTIONS): Add tune=.
230 (alpha_tune_string): Declare.
231 * config/alpha/alpha.c (override_options): Add cpu_table.
232 Use alpha_cpu_string first to set both alpha_cpu and target_flags
233 and then alpha_tune_string to set alpha_cpu only.
234 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
235 * config/alpha/elf.h (ASM_FILE_START): Likewise.
236 * config/alpha/osf.h (ASM_FILE_START): Likewise.
237 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
239 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
241 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
243 (ix86_comparison_operator, ix86_cc_mode): Declare
244 * i386.h (CCGC, CCGCO): New modes.
245 (SELECT_CC_MODE): Move offline to ....
246 * i386.c (ix86_cc_mode): .... here; use new modes.
247 (ix86_comparison_operator): New.
248 (fcmov_comparison_operator): Ensure proper mode.
249 (put_condition_mode): More sanity checking.
250 (ix86_match_ccmode): Handle new modes.
251 (ix86_expand_fp_compare): GEU requires CCmode.
252 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
254 * i386.md (cmp?i_ccz_1): Remove
255 (cmp?i_ccno_1): Use ix86_match_ccmode.
256 (cmp?i_minus_1): New.
257 (cmpsi_1): New expander.
258 (cmpqi_ext_1): Use match_ccmode
259 (cmpqi_ext_3): New expander.
260 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
261 (cmpqi_ext_4): Use match_ccmode.
262 (add?i_?): Use match_ccmode.
264 (test?i_ccz_1): Remove
266 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
267 (testqi_ext_0): Use ix86_match_ccmode.
268 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
269 (xorqi_cc_ext_1): New expander.
270 (shift patterns): Use CCGOCmode for all shifts except for sar.
271 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
272 (setcc_3, jcc_3, miv?icc_c): Remove.
274 2000-09-15 Will Cohen <wcohen@redhat.com>
276 * dwarf2out.c (add_const_value_attribute): Changed array into a
277 xmalloced object, so it exists after function exit.
278 (free_AT): Added case for dw_val_class_float to free allocated
281 2000-09-15 Kazu Hirata <kazu@hxi.com>
283 * config/i386/i386.md: Fix a comment typo.
284 * gcc.c: Fix formatting.
286 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
288 * optabs.c (emit_libcall_block): If target is a user variable,
289 copy to a temporary first.
290 * expr.c (convert_move): When generating a libcall, make a libcall
292 * calls.c (emit_library_call_value_1): Don't create a libcall
293 sequence here; our caller will in most cases do it.
295 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
297 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
298 * sh.md (reload_outsf): Generate recognizable patterns for
300 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
301 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
302 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
303 truncdfsf2_i4): Change not to use explicit references to fpul.
304 (floatsisf2_ie): Remove USE of fpscr.
305 (floatsisf2): Change default expansion to match this.
306 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
309 2000-09-15 Richard Henderson <rth@cygnus.com>
311 * expmed.c (store_bit_field): Consider naturally aligned
312 memory for direct reference.
314 2000-09-15 Richard Henderson <rth@cygnus.com>
316 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
317 AND addresses into alias set 0.
318 (alpha_expand_unaligned_store): Likewise.
319 (alpha_expand_unaligned_load_words): Likewise.
320 (alpha_expand_unaligned_store_words): Likewise.
322 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
324 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
325 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
327 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
328 rsize of UNITS_PER_WORD.
330 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
332 * cpplex.c (ON_REST_ARG): Correct the test.
333 (maybe_paste_with_next): Duplicate a token that fail pasting,
334 and clear its PASTE_LEFT flag, so that nested pasting attempts
337 2000-09-14 Richard Henderson <rth@cygnus.com>
339 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
340 * cse.c (rtx_cost): Likewise.
341 * optabls.c (expand_binop): Likewise.
342 (expand_twoval_binop, prepare_cmp_insn): Likewise.
343 * regclass.c (copy_cost): Likewise.
344 * reload1.c (reload_cse_move2add): Likewise.
346 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
348 * c-parse.in (reswords): Add _Complex.
350 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
352 * gcc.1: Delete documentation for -undef preprocessor option.
354 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
356 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
357 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
358 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
359 Remove undefine before config/elfos.h.
360 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
362 2000-09-14 Kazu Hirata <kazu@hxi.com>
364 * invoke.texi (H8/300 Options): Add -ms2600.
365 * config/h8300.c (h8300_init_once): Output an error when -ms2600
367 * config/h8300.h (TARGET_MAC): New.
368 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
369 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
370 machine other than H8/S2600.
371 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
374 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
376 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
377 pseudos that refer to the original pseudos, not only to their
378 equivalent memory locations.
380 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
382 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
385 * Makefile.in (LN): Remove duplicate definition.
387 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
390 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
391 on an insn and function_invariant_p returns nonzero for the source,
392 add a REG_EQUAL note.
394 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
396 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
397 conflict with frame_pointer_rtx.
399 2000-09-13 Kazu Hirata <kazu@hxi.com>
401 * loop.c: Fix formatting.
404 2000-09-13 Richard Henderson <rth@cygnus.com>
406 * config/ia64/ia64.md (divsf3): New.
407 (divsf3_internal_lat, divsf3_internal_thr): New.
408 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
409 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
410 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
411 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
412 (nmadddf4_alts, nmadddf4_trunc): New.
413 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
414 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
415 (multf3_truncsf_alts, multf3_truncdf_alts): New.
416 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
417 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
418 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
419 (nmaddtf4_truncdf_alts): New.
420 (recip_approx): Don't predicate.
422 2000-09-13 Richard Henderson <rth@cygnus.com>
424 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
426 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
428 * flags.h (flag_dump_rtl_in_asm): Declare.
429 * toplev.c (flag_dump_rtl_in_asm): Define.
430 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
432 * rtl.h (print_rtx_head): Declare.
433 * print-rtl.c (print_rtx_head): Define.
434 (print_rtx): Print the string pointed to by print_rtx_head
435 at beginning of each dump line.
436 (print_rtl): Likewise.
437 (print_rtl_single): Likewise.
438 * final.c (final_scan_insn): Dump the insn in the assembly
440 * gcc.1: Document -dP option.
441 * invoke.texi (Debugging Options): Likewise.
443 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
445 * md.texi (Machine Constraints): Document the 68HC11 constraints.
446 * install.texi (Configurations): Document the 68HC11&68HC12 port.
447 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
449 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
451 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
452 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
453 (*clrstrqi): Likewise.
454 (xorhi3,xorsi3,absqi2): Likewise.
455 (one_cmplhi2,one_cmplsi2): Likewise.
456 (addsi3): Two stupid constraint alternatives removed.
457 (extendhisi2): Use `movw' for enhanced avr cores.
458 (zero_extendhisi2): Likewise.
460 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
462 * alias.c (find_base_term): Use frame_pointer_rtx
463 when handling an ADDRESSOF.
465 * cse.c (canon_hash): Handle USE of BLKmode memory.
466 (cse_insn): Outgoing arguments for a libcall don't
467 affect any recorded expressions.
469 2000-09-12 Tom Tromey <tromey@cygnus.com>
471 * configure, config.in: Rebuilt.
472 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
474 2000-09-12 Jakub Jelinek <jakub@redhat.com>
476 * c-lex.c (lex_string): Use charwidth to compute bytemask.
477 * expr.c (expand_expr): Don't optimize constant array references
478 initialized with wide string constants.
480 2000-09-13 Michael Hayes <mhayes@cygnus.com>
482 * loop.c (note_set_pseudo_multiple_uses): Correct.
484 2000-09-12 Jim Wilson <wilson@cygnus.com>
486 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
487 else block, and X has side-effects, then fail.
489 2000-09-12 Greg McGary <greg@mcgary.org>
491 * config/mips/mips-protos.h
492 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
493 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
494 (PREDICATE_CODES): Add "trap_cmp_op".
496 (trap_cmp_op, mips_gen_conditional_trap): New functions.
497 * config/mips/mips.md (trap, conditional_trap): New patterns.
499 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
501 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
504 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
506 * builtins.c (built_in_decls): New array.
507 (expand_builtin_fputs): New function.
508 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
510 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
512 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
514 * tree.h (built_in_decls): New array.
516 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
518 * convex.md: Use "+" instead of "=" for outputs wrapped in a
520 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
522 2000-09-12 Kazu Hirata <kazu@hxi.com>
524 * haifa-sched.c: Fix formatting.
526 * genattrtab.c: Fix formatting.
528 * unroll.c: Fix formatting.
530 2000-09-12 Bruce Korb <bkorb@gnu.org>
532 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
534 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
535 * fixinc/fixincl.tpl: make non-exported arrays static scope
536 * fixinc/fixincl.x: regenerate
537 * fixinc/fixlib.h: Use PARAMS, not _P_
538 * fixinc/fixtests.c: make a type for the test proc & use it
539 * fixinc/server.h: Use PARAMS, not _P_
541 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
543 * c-typeck.c (process_init_element): Avoid union init warnings on
544 floating point zero. Don't crash on unions containing structs.
546 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
548 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
549 general_movsrc_operand, and remove CONST_INT from
550 general_movdst_operand.
552 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
554 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
555 if a reference to non-fixed hardreg is seen. Otherwise, count hard
556 regs with a higher cost.
557 (preferrable): Deal with cases where either cost or regcost is
559 (cse_insn): Use MAX_COST rather than 10000. Always initialize
561 (COSTS_N_INSNS): Move definition...
563 (MAX_COST): New macro.
564 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
567 2000-09-11 Mark Mitchell <mark@codesourcery.com>
569 * c-common.h (genrtl_clear_out_block): Remove.
570 * c-semantics.c (genrtl_clear_out_block): Remove.
571 (genrtl_while_stmt): Don't call it.
572 (genrtl_for_stmt): Likewise.
574 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
576 * cppfiles.c: Move all default-#defines to top of file.
577 (open_include_file): Replace by lookup_include_file.
578 (read_with_read, read_file): Merged into read_include_file.
579 (stack_include_file, purge_cache): New functions.
580 (close_cached_fd): Delete.
581 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
582 Cache the in-memory buffer, not the file descriptor.
584 * cpphash.h (struct include_file): Add buffer, st, refcnt,
586 (xcnew): New utility macro.
587 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
588 * cpplib.h (struct cpp_buffer): Remove mapped field.
590 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
592 * cpplex.c (parse_string): Accept backslash space newline as a
594 (lex_line): Likewise.
595 (_cpp_get_token): Remove hard limit on macro nesting.
597 2000-09-12 Philipp Thomas <pthomas@suse.de>
599 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
600 * configure: Rebuilt.
602 2000-09-13 Michael Hayes <mhayes@cygnus.com>
604 * flow.c (split_block): Fix update of registers live at
607 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
609 * i386.md (add?i_3, add?i_5): New.
610 (add?i_4): Rename from add?i_3; Fix compare pattern.
611 (sub?i_3, xor?i_3, ior?i_3): New.
613 * genrecog.c (write_tree): Output code to clear insn_extract cache.
614 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
615 instead of extract_insn and extract_constrain_insn_cache instead of
616 extract_insn and constrain_operands.
617 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
619 (extract_insn): Clear which_alternative.
620 (constrain_operands): Set which_alternative to -1 when failed.
621 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
624 2000-09-11 Matthew Hiller <hiller@redhat.com>
626 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
628 (movstricthi): Likewise.
630 2000-09-12 Michael Hayes <mhayes@cygnus.com>
632 * loop.h (LOOP_IVS): New macro.
633 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
634 (struct loop_ivs): New.
635 (struct loop_info): Add ivs field.
636 (reg_iv_type, reg_iv_info): Delete prototype.
637 (reg_biv_class, loop_iv_list): Likewise.
638 * loop.c (record_biv, find_life_end): Pass loop argument.
639 (reg_iv_type): Remove global array and use
640 field in loop_regs structure within loop_ivs structure.
641 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
642 (first_increment_giv, last_increment_giv): Use entry in
644 (record_initial): Pass ivs pointer.
645 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
647 2000-09-12 Michael Hayes <mhayes@cygnus.com>
649 * loop.h (LOOP_REGS): New macro.
650 (struct loop_regs): New.
651 (struct loop_info): Add regs field.
652 * loop.c (set_in_loop): Remove global array and store
653 in loop_regs structure as part of loop_info structure.
654 (n_times_set, may_not_optimize): Likewise.
655 (reg_single_usage, moved_once): Likewise.
656 (count_one_set): Add regs argument.
657 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
658 (set_pseudo_multiple_uses): Pass regs pointer.
660 2000-09-12 Michael Hayes <mhayes@cygnus.com>
662 * unroll.c (iteration_info): Subsume into loop_iterations.
663 * loop.h (loop_info): New field iv.
665 2000-09-12 Michael Hayes <mhayes@cygnus.com>
667 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
668 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
669 (flow_loops_update): New prototype.
670 (flow_loops_find): Add flags to prototype.
671 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
672 * flow.c (flow_loop_pre_header_scan): New.
673 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
674 (flow_loop_free): Free pre-header root and trace and exit dominators.
675 (flow_loops_find): New argument flags.
676 (flow_loops_update): New function.
677 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
679 2000-09-12 Michael Hayes <mhayes@cygnus.com>
681 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
682 * flow.c (split_block, update_bb_for_insn): New functions.
684 2000-09-11 Richard Henderson <rth@cygnus.com>
686 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
688 2000-09-11 Richard Henderson <rth@cygnus.com>
690 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
691 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
692 (ia64_override_options): Prevent optimizing division for both
693 latency and throughput.
694 (rtx_needs_barrier): Handle frcpa.
695 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
696 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
697 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
698 (TARGET_SWITCHES): Add -minline-divide-min-latency and
699 -minline-divide-max-throughput.
700 (PREDICATE_CODES): Update.
701 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
702 (zero_extendsidi2): Likewise. Fix typo in f case insn.
703 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
704 (extendsftf2): Likewise.
705 (extenddftf2): Likewise.
706 (fix_trunctfdi2_alts): New.
707 (fixuns_trunctfdi2_alts): New.
708 (madd*4): Rename from madd*3.
709 (divsi3, modsi3, udivsi3, umodsi3): New.
710 (divsi3_internal): New.
711 (divdi3, moddi3, udivdi3, umoddi3): New.
712 (divdi3_internal_lat, divdi3_internal_thr): New.
713 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
716 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
718 * print-rtl.c (debug_call_placeholder_verbose): New variable.
719 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
721 * integrate.c (copy_rtx_and_substitute): Don't share
722 LEAF_REG_REMAPpable registers with the inlined function. Don't
723 share the function value with calling sequences.
725 2000-09-11 Jakub Jelinek <jakub@redhat.com>
727 * c-decl.c (do_case): Fix a typo.
729 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
730 to a if the comparison is floating mode and not -ffast-math.
731 * simplify-rtx.c (simplify_ternary_operation): Likewise.
733 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
735 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
736 gen_ic_invalidate_line.
738 2000-09-11 Philip Blundell <pb@futuretv.com>
740 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
742 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
744 * install.texi (LANGUAGES): Update to include new languages.
747 2000-09-11 DJ Delorie <dj@redhat.com>
749 * gcc.c (main): Don't warn about unused -B prefixes
750 (unused_prefix_warnings): remove
752 2000-09-11 Kazu Hirata <kazu@hxi.com>
754 * final.c: Fix formatting.
756 * integrate.c: Fix formatting.
758 2000-09-11 Geoff Keating <geoffk@cygnus.com>
760 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
762 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
764 * reload.c (regno_clobbered_p): Fix thinko in previous change.
766 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
768 * gcc.1: Document 68hc11 specific options.
770 2000-09-10 Geoff Keating <geoffk@cygnus.com>
772 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
773 (TARGET_LONG_DOUBLE_128): Define.
774 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
775 (LONG_DOUBLE_TYPE_SIZE): Redefine.
776 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
777 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
778 of __LONG_DOUBLE_128__.
779 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
781 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
782 (CPP_SYSV_DEFAULT_SPEC): Define.
783 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
784 (INIT_TARGET_OPTABS): Define.
786 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
787 (RS6000_UITRUNC): Likewise.
788 (INIT_TARGET_OPTABS): New macro.
789 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
790 (trunc_defined): Delete.
791 (output_prolog): Don't output .extern definitions for fp->int
792 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
793 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
794 (trunc_defined): Delete.
795 (RS6000_ITRUNC): Moved to aix.h.
796 (RS6000_UITRUNC): Likewise.
797 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
799 (fixuns_truncdfsi2): Delete.
800 (trunc_call): Delete.
801 (trunc_call_rtl): Delete.
803 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
805 * varasm.c (make_decl_rtl): Restore leading star on
806 DECL_ASSEMBLER_NAME set for decls with an asmspec.
808 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
810 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
811 won't give a spurious error for '#pragma pack()'. Simplify
812 control flow for readability. 'reset' action is not necessary.
814 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
816 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
817 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
818 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
819 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
821 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
822 profile.c, sdbout.c, tradcif.y, tree.c:
823 Include defaults.h if not already included.
824 Don't define the above macros.
826 * Makefile.in: Update dependencies.
828 2000-09-10 Mark Mitchell <mark@codesourcery.com>
830 * c-common.h (add_stmt): Change prototype.
831 (RECHAIN_STMTS): New macro.
832 (CASE_LABEL_DECL): Likewise.
833 (genrtl_case_label): Change prototype.
834 (c_expand_start_case): Remove prototype.
835 (build_case_label): Change prototype.
836 (decl_constant_value): Declare.
837 * c-common.c (check_case_value): Handle C++'s extensions to C
839 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
841 * c-parse.in (stmt): Adjust handling of return statements and case
843 * c-semantics.c (add_stmt): Return the new statement.
844 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
845 returned expression. Directly generate RTL, rather than calling
847 (genrtl_switch_stmt): Don't call c_expand_start_case.
848 (build_case_label): Take the LABEL_DECL as input, too.
849 (genrtl_case_label): Just call add_case_node.
850 (expand_stmt): Adjust calls to genrtl_return_stmt and
852 * c-tree.h (c_expand_start_case): Declare.
853 * c-typeck.c (decl_constant_value): Give it external linkage.
854 (c_expand_return): Don't call expand_return or expand_null_return;
855 use genrtl_return_stmt instead.
856 * stmt.c (struct nesting): Remove num_ranges field.
857 (add_case_node): Give it external linkage.
858 (expand_start_case): Don't set num_ranges.
859 (expand_start_case_dummy): Don't clear it.
860 (pushcase): Rely on add_case_node to handle `default' labels.
861 (add_case_node): Handle `default' labels.
862 * tree.c (tree_int_cst_compare): New function.
863 * tree.h (tree_int_cst_compare): Declare.
864 (add_case_node): Likewise.
866 2000-09-10 Richard Henderson <rth@cygnus.com>
868 * c-parse.in: Revert last change.
869 (init_reswords): Do not enter disabled keywords into the ridpointers
870 table, modulo objc weirdness.
871 (_yylex): Return the canonical spelling for a keyword.
873 2000-09-10 Philip Blundell <philb@gnu.org>
875 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
876 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
878 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
880 * alias.c (find_base_term): Handle ADDRESSOF.
881 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
883 2000-09-10 Denis Chertykov <denisc@overta.ru>
885 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
886 outputting templates with many lines.
888 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
890 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
891 to decide whether 64-bit support must be generated.
893 2000-09-10 Richard Henderson <rth@cygnus.com>
895 * c-parse.in (asm patterns): Fix volatile check.
897 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
899 * cppmacro.c (check_trad_stringification): New function.
900 (save_expansion): If -Wtraditional, warn about stringification of
903 2000-09-11 Michael Hayes <mhayes@cygnus.com>
905 * loop.h (struct loop_mem_info): Move from loop.c
906 (struct loop_info): Add fields store_mems, mems, mems_idx,
907 mems_allocated, unknown_address_altered,
908 unknown_constant_address_altered, num_mem_sets, and
909 first_loop_store_insn.
911 * loop.c (loop_store_mems): Replace with field in loop_info struct.
912 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
913 (unknown_address_altered, unknown_constant_address_altered): Likewise.
914 (num_mem_sets): Likewise.
915 (replace_loop_mems, replace_loop_regs): New.
916 (struct loop_replace_args): New.
917 (load_mems): Use replace_loop_mems.
918 (try_copy_prop): Use replace_loop_regs.
919 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
921 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
923 * configure.in: Recognize m6811-elf and m6812-elf.
924 * configure: Regenerate.
926 2000-09-09 Geoff Keating <geoffk@cygnus.com>
928 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
931 2000-09-10 Michael Hayes <mhayes@cygnus.com>
933 * loop.c (struct movables): New.
934 (num_movables): Move into struct movables.
935 (the_movables): Change type to struct movables.
936 (ignore_some_movables): Change struct movable arg to struct movables.
937 (force_movables, combine_movables, regs_match_p): Likewise.
938 (rtx_equal_for_loop_p, move_movables): Likewise.
939 (scan_loop): Change movables to be of type struct movables.
940 Replace last_movable with field in movables structure.
942 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
944 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
945 (init_pragma): Avoid warning if pfile happens to be unused.
946 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
947 define init_pragma to nothing. Always prototype
948 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
950 * c-lex.c (process_directive): Always call dispatch_pragma.
951 Initialize entering_c_header to 0.
953 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
955 * config/m68hc11/m68hc11.md: New file, machine description for
957 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
958 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
959 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
960 * config/m68hc11/m68hc11-protos.h: New file.
961 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
962 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
963 * config/m68hc11/xm-m68hc11.h: New file, target defs.
964 * config/m68hc11/larith.asm: New file, libgcc routines.
966 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
968 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
969 (FPBIT_FUNCS): Add _usi_to_sf.
970 * config/fp-bit.c (usi_to_float): New function.
971 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
972 (usi_to_float): Add appropriate #define.
974 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
976 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
978 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
979 * i386.md (attr "type"): Add sse and mmx types.
980 (attr "memory"): Handle them without a crash.
981 (movsi_1, movdi_2): Allow MMX regs.
982 (movdi splits): Don't split moves involving MMX regs.
983 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
984 (movv4sf_internal, movv4si_internal, movv8qi_internal,
985 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
986 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
987 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
988 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
989 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
990 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
991 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
992 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
993 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
994 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
995 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
996 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
997 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
998 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
999 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1000 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
1001 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
1002 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
1003 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
1004 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
1005 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1006 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1007 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
1008 mmx_clrdi): New patterns.
1010 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
1012 * arm.c: Don't include tm.h directly.
1014 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
1016 * recog.c (validate_replace_rtx_1): Fix confusion about equality
1017 testing; simplify subregs of constants and nested subregs.
1019 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
1021 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
1023 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1025 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
1027 * rtl.texi (description of USE): Add note about possible pitfalls
1029 From Richard Henderson:
1030 * reload1.c (choose_reload_regs): Compute need_mode properly.
1032 2000-09-07 Richard Henderson <rth@cygnus.com>
1034 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
1035 (__modsi3, __umodsi3): Likewise.
1036 (__udivsi3): Likewise. Normalize the TFmode values.
1038 2000-09-07 Geoff Keating <geoffk@cygnus.com>
1040 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
1042 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
1045 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1047 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
1048 (cmpeqdi_t): Add output pattern.
1049 (cmpeqdi_t+1): Don't split when not optimizing.
1050 Restore proper splitting operation.
1052 2000-09-07 Richard Henderson <rth@cygnus.com>
1054 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
1055 do not call dispatch_pragma.
1057 2000-09-07 Jim Wilson <wilson@cygnus.com>
1059 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
1060 to CLASS_CANNOT_CHANGE_MODE.
1061 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
1062 mode classes are different.
1064 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1066 * cpplib.h (struct cpp_options): Add user_label_prefix member,
1067 left out of commit which removed cppulp.c.
1069 2000-09-07 Richard Henderson <rth@cygnus.com>
1071 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
1072 after switch for CASE_DROPS_THROUGH.
1074 2000-09-07 Richard Henderson <rth@cygnus.com>
1076 * loop.c (strength_reduce): Call check_ext_dependant_givs.
1077 Properly extend the biv initial value for the giv.
1078 (record_biv): Zero ext_dependant.
1079 (record_giv): New argument ext_val. Update all callers.
1080 (general_induction_var): Likewise.
1081 (consec_sets_giv): Likewise.
1082 (simplify_giv_expr): Likewise. Fill in ext_val if we find
1083 a sign-extend, zero-extend, or truncate.
1084 (combine_givs_p): Make sure modes are compatible.
1085 (check_ext_dependant_givs): New.
1086 (extend_value_for_giv): New.
1087 * loop.h (struct induction): Add ext_dependant.
1088 * unroll.c (iteration_info): Extend the biv initial value for the giv.
1089 (find_splittable_givs): Likewise.
1090 (final_giv_value): Likewise.
1092 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1094 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
1095 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
1096 definitions from cpplib.h.
1097 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
1099 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
1100 documentation for REGISTER_TARGET_PRAGMAS.
1102 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
1103 default-pragma callback to implement -Wunknown-pragmas if
1105 * c-parse.in: Move all includes to top of file.
1106 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
1108 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
1110 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
1112 * arm.h, arm-protos.h, arm.c,
1113 c4x.h, c4x-protos.h, c4x.c,
1114 h8300.h, h8300-protos.h, h8300.c,
1115 i370.h, i370-protos.h, i370.c,
1116 i960.h, i960-protos.h, i960.c,
1117 sh.h, sh-protos.h, sh.c,
1118 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
1119 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
1121 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
1122 multiple include guard.
1123 * i370.md (untyped_call): Use GEN_CALL.
1124 (umodsi3): Remove unused variable.
1125 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
1126 * v850.c (output_move_single, output_move_double): Constify
1128 (print_operand): Constify a char *.
1129 * v850.h (struct small_memory_info): Constify name member.
1131 2000-09-07 Kazu Hirata <kazu@hxi.com>
1133 * config/h8300.h: Fix comment typos.
1134 * config/h8300/h8300.md: Likewise.
1135 * config/h8300/lib1funcs.asm: Likewise.
1137 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
1139 * Makefile.in: Remove references to cppulp.{c,o}.
1140 * cppinit.c (initialize_builtins, cpp_start_read,
1141 cpp_handle_option): Update to use cpp_options structure.
1144 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
1146 * c-common.c (time_char_table): Allow %#b and %#h.
1148 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1150 * reorg.c (find_end_label): If the basic block reorder pass moves the
1151 return insn to some other place try to locate it again and put our
1152 end_of_function_label there.
1153 * reorg.c (relax_delay_slots): Check if find_end_label created a
1154 new label that invalidates the current optimazation.
1156 2000-09-07 Catherine Moore <clm@redhat.com>
1158 * unroll.c (unroll_loop): Check for unconditional jumps
1159 to loop continuation. Delete if n_iterations is 1.
1160 (ujump_to_loop_cont): New routine.
1162 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
1164 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
1166 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
1167 to handle multiword modes correctly. All callers and the declaration
1170 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1172 * c-common.h (prep_stmt): Declare.
1173 (lang_expand_stmt): Likewise.
1174 * c-decl.c (lang_expand_stmt): Remove.
1175 * c-semantics.c (lang_expand_stmt): Define.
1176 (prep_stmt): New function.
1177 (expand_stmt): Handle common statement types here.
1179 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
1181 * configure.in (sh-*-linux*): Added.
1182 * configure: Rebuilt.
1183 * config/sh/t-linux: New file.
1184 * config/sh/sh.h (USERMODE_BIT): Define.
1185 (TARGET_USERMODE): Likewise.
1186 (TARGET_SWITCHES): New switches for the bits above.
1187 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
1188 * config/sh/linux.h: New file.
1189 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
1190 underscore on linux.
1191 (L_sdivsi3, L_udivsi3): Define for linux.
1192 (L_ic_invalidate): Define.
1193 * invoke.texi (SH Options): Document -musermode.
1195 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
1197 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
1198 CSE unless generating PIC.
1200 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
1203 2000-09-06 H.J. Lu (hjl@gnu.org)
1205 * Makefile.in (clean_s1): Depend on stage_b.
1206 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
1207 stage2. They are used for "make compare".
1209 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1211 Move statement-tree facilities from C++ to C front-end.
1212 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
1213 (void_zero_node): New macro.
1214 (struct stmt_tree_s): New type.
1215 (stmt_tree): New typedef.
1216 (struct language_function): New type.
1217 (last_tree): New macro.
1218 (last_expr_type): Likewise.
1219 (walk_tree_fn): New typedef.
1220 (current_stmt_tree): New function.
1221 (begin_stmt_tree): Likewise.
1222 (add_stmt): Likewise.
1223 (finish_stmt_tree): Likewise.
1224 (statement_code_p): Likewise.
1225 (lang_statement_code_p): New variable.
1226 (walk_stmt_tree): New function.
1227 (STMT_IS_FULL_EXPR_P): New macro.
1228 * c-common.c (lang_statement_code_p): New variable.
1229 (c_common_nodes_and_builtins): Initialize void_zero_node.
1230 (statement_code_p): New function.
1231 (walk_stmt_tree): Likewise.
1232 * c-decl.c (language_function): Rename to ...
1233 (c_language_function): ... this. Include language_function.
1234 (push_c_function_context): Adjust accordingly.
1235 (pop_c_function_context): Likewise.
1236 (mark_c_function_context): Likewise.
1237 (current_stmt_tree): Define.
1238 * c-semantics.c (begin_stmt_tree): New function.
1239 (add_stmt): Likewise.
1240 (prune_unused_decls): Likewise.
1241 (finish_stmt_tree): Likewise.
1243 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1245 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
1247 2000-09-06 Kazu Hirata <kazu@hxi.com>
1249 * calls.c: Fix formatting.
1251 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
1253 * config/i386/i386.h (ADDRESS_COST): Fix typo.
1255 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1257 Integrated preprocessor.
1259 * Makefile.in: Remove all references to c-parse.gperf,
1260 c-gperf.h, and c-parse.h. Remove -d from yacc command line
1261 generating c-parse.c. Update dependencies.
1262 * c-parse.gperf, c-gperf.h: Delete.
1264 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
1265 yy_lim, or yy_get_token. Don't define get_directive_line if
1267 * c-common.h: Add multiple include guard. Define RID values
1268 for every keyword in C, C++, and Objective C. Put all the
1270 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
1271 * c-decl.c (c_decode_option): Handle -lang-objc here.
1272 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
1273 (grokdeclarator): Adjust for new RID scheme.
1274 (extract_interface_info): New stub.
1275 * c-lang.c: Don't declare yy_cur or parse_options.
1276 (lang_init_options): Call cpp_init. Don't call
1278 (lang_init): Don't call check_newline if USE_CPPLIB.
1280 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
1281 Elide lots of unnecessary code if USE_CPPLIB. Delete code
1282 rendered unnecessary by new architecture. Move routines not
1283 shared with C++ to c-parse.in. Maintain a local idea of the
1284 line number. Handle C++ as well as C.
1285 [USE_CPPLIB]: Declare and register callbacks for #ident and
1286 for entering/leaving files.
1287 (init_c_lex, c_lex): Are now the entry points to this file.
1288 (check_newline): Break out directive handling to
1290 (read_ucs, is_extended_char, utf8_extend_token): Moved here
1292 (readescape, parse_float): Overhaul.
1293 (lex_number, lex_string, lex_charconst): Break out of c_lex
1295 (get_fileinfo, update_header_times, dump_one_header,
1296 dump_time_statistics): New and/or moved here from C++.
1297 Support per-file data needed by C++ and per-header timing
1298 statistics (C++ only, at the moment).
1299 * c-lex.h: Update prototypes. Add multiple include guard.
1300 * c-tree.h (struct lang_identifier): Add rid_code field.
1301 (C_IS_RESERVED_WORD, C_RID_CODE): New.
1303 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
1304 reinit_parse_for_function and/or position_after_white_space.
1305 (save_filename, save_lineno): Look ahead before saving.
1306 (label -> identifier ':'): Save file and line before shifting ':'.
1307 (reservedwords): No need to call get_identifier.
1308 (init_parse, finish_parse, yyerror, yylex, yyprint,
1309 make_pointer_declarator): Are now here for C/ObjC.
1310 (rid_to_yy): Conversion table from RID constants to Yacc codes.
1312 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
1313 #pragma registry. Provide dummy implementation of that
1314 interface if !USE_CPPLIB.
1315 * c-pragma.h: Update to match.
1317 * flags.h: Add multiple include guard.
1318 (flag_detailed_statistics): Moved here from C++.
1319 * toplev.c: Define flag_detailed_statistics.
1321 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
1323 * timevar.def (TV_CPP, TV_LEX): New.
1324 * timevar.h: Add multiple include guard.
1326 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
1328 * objc/objc-act.c: Don't mention yy_cur or parse_options.
1329 Initialize cpplib properly. Force lineno to 0 after first
1330 call to check_newline. Don't handle -lang-objc here.
1331 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
1333 2000-09-06 David Edelsohn <edelsohn@gnu.org>
1335 * rs6000.md: Correct function unit definitions for cr_logical and
1337 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
1338 and use portable method for >=0 and floating point >=. Remove
1339 associated matchers.
1341 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1343 * extend.texi: Mark named return value extension as deprecated.
1345 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1347 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
1350 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
1352 * toplev.c (display_help): Fix thinko in documentation.
1354 * diagnostic.h (output_buffer::indent_skip): New fields.
1355 (output_indentation): New macro.
1357 * diagnostic.c (output_indent): New function.
1358 (output_set_prefix, clear_diagnostic_info): Use.
1359 (output_emit_prefix): Predict future indentation.
1361 2000-09-06 DJ Delorie <dj@redhat.com>
1363 * Makefile.in (stage_*): add more dependencies to ensure parallel
1364 builds build correctly
1366 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
1368 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
1369 not bootstrap-lean_f.
1371 2000-09-06 Andreas Schwab <schwab@suse.de>
1373 * mklibgcc.in: Emit rule for libgcc-stage-start.
1374 * Makefile.in (stage1-start, stage2-start, stage3-start,
1375 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
1377 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
1379 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
1380 (update_equiv_regs): Likewise, except for the mn10200 kludge.
1381 (combine_regs): Likewise.
1383 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
1384 * cse.c: Include "basic-block.h".
1385 (struct table_elt): New field REGCOST.
1386 (CHEAP_REG): Delete macro.
1387 (COST): Return 0 for REGs.
1388 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
1389 (notreg_cost): Return 0 for appropriate SUBREGs.
1390 (COSTS_N_INSNS): Return N * 2.
1391 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
1393 (CHEAPER): Use new function preferrable.
1394 (insert): Initialize REGCOST member.
1395 (find_best_addr): Use approx_reg_cost for estimation of register
1397 (cse_insn): Likewise.
1398 * loop.c (iv_add_mult_cost): New function.
1399 (add_cost, shift_cost, mult_cost): Delete variables.
1400 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
1401 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
1402 Make code that detects autoinc opportunities slightly less optimistic.
1403 (simplify_giv_expr): If expression contains other reg that is also a
1404 giv, only increment benefit if this is the only use of that reg.
1405 (consec_sets_giv): Take that change into account.
1406 (combine_givs): Slightly more verbose output.
1408 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
1409 not the cost of an equivalent shift.
1410 * sh-protos.h (addsubcosts): Declare.
1411 * sh.c (addsubcosts): New function.
1412 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
1413 (RTX_COSTS): Tweak. Use addsubcosts.
1414 (ADDRESS_COST): Return higher cost for reg+reg addressing.
1416 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1418 * config/rs6000/rs6000.c (validate_condition_mode): New function.
1419 (branch_comparison_operator): Call validate_condition_mode to
1420 abort rather than returning 0.
1421 (branch_positive_comparison_operator): New function.
1422 (scc_comparison_operator): Call validate_condition_mode to abort
1423 rather than returning 0.
1424 (ccr_bit): Call validate_condition_mode. Update for
1426 (print_operand): Delete %C modifier. Update %E case
1427 to use EQ bit not SO bit.
1428 (rs6000_reverse_condition): New function.
1429 (rs6000_generate_compare): New function.
1430 (rs6000_emit_sCOND): New function.
1431 (rs6000_emit_cbranch): New function.
1432 (output_cbranch): The length of a long branch insn is
1433 now only 8 bytes. Add validate_condition_mode. Use
1434 rs6000_reverse_condition. Remove cror generation.
1436 * config/rs6000/rs6000.h: Update comments.
1437 (PREDICATE_CODES): Add new predicate. Update codes used
1438 by branch_comparison_operator and scc_comparison_operator.
1439 * config/rs6000/rs6000-protos.h: Add prototypes for
1440 new external functions.
1441 * config/rs6000/rs6000.md: Add new scheduling parameters
1442 for cr_logical instructions. Change length of branch
1444 (bCOND patterns): Call rs6000_emit_cbranch.
1445 (sCOND patterns): Call rs6000_emit_sCOND.
1446 (branch patterns): Change lengths to 4.
1447 (cr logical patterns): New.
1449 2000-09-06 Richard Henderson <rth@cygnus.com>
1451 * config/i386/i386.md (call_pop): Fix test for setting
1452 current_function_uses_pic_offset_table.
1453 (call, call_value_pop, call_value): Likewise.
1455 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1457 * timevar.c (timevar_add): Delete.
1458 (timevar_get): Also count time since the selected timer was
1459 last updated. Do not examine the timevar stack if the
1460 selected timer is standalone.
1462 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1464 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
1466 2000-09-05 Jason Merrill <jason@redhat.com>
1468 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
1469 for 'extern' arrays.
1471 2000-09-05 Richard Henderson <rth@cygnus.com>
1473 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
1474 Eliminate final copy from non-trapping case.
1475 (__divdf3, __divsf3): Likewise.
1477 2000-09-05 Richard Henderson <rth@cygnus.com>
1479 * config/ia64/ia64.md (mulhi3): Fix typo last change.
1480 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
1482 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
1484 * Makefile.in: Restructure bootstrap stages to allow clean
1485 restart after failure.
1487 2000-09-05 Richard Henderson <rth@cygnus.com>
1489 * config/ia64.md (movsi and movdi patterns): Allow moves from
1490 8-bit constants to AR registers.
1492 2000-09-05 Richard Henderson <rth@cygnus.com>
1494 * config/ia64/ia64.md (mulhi3): New.
1496 2000-09-05 Richard Henderson <rth@cygnus.com>
1498 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
1499 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
1500 Optimization Guide, minimum latency alternative.
1501 (__moddi3, __udivdi3, __umoddi3): Likewise.
1502 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
1504 2000-09-05 Bruce Korb <bkorb@gnu.org>
1506 * fixinc/fixincl.c (load_file): always read header files
1507 with sizes that are a multiple of the page size.
1508 & use libiberty's getpagesize for determining that.
1510 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
1512 * gcse.c (hash_string_1): Add prototype.
1513 * cse.c (canon_hash_string): Likewise.
1515 2000-09-04 Craig Newell <CraigN@ieee.org>
1517 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
1519 2000-09-04 Andreas Schwab <schwab@suse.de>
1521 * Makefile.in (STAGESTUFF): Remove libgcc.
1522 (stage1-start, stage2-start, stage3-start): Copy the contents of
1523 the libgcc directory explicitly.
1524 (mostlyclean): Clean libgcc.
1526 2000-09-04 Andrew Haley <aph@redhat.com>
1528 * dwarf2out.c: (stack_adjust_offset): New prototype.
1530 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
1532 * combine.c (make_extraction): Fix rtx_cost comparison to
1535 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
1537 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
1538 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
1539 Add '*' to insn pattern name.
1541 2000-09-04 Jakub Jelinek <jakub@redhat.com>
1543 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
1544 use posn - 1 to index into tokens array.
1545 (maybe_paste_with_next): Adjust caller.
1547 2000-09-03 Geoff Keating <geoffk@cygnus.com>
1549 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
1551 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
1552 (REGNO_REG_CLASS): Use symbolic register
1555 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
1557 * arm.c (final_prescan_insn): If the form of a jump insn isn't
1558 recognized, don't try to conditionally execute it.
1560 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
1562 * config/avr/avr.md ("*tablejump_lib"): New pattern.
1563 (call_value_insn): Right length claculation.
1564 (call_insn): Likewise.
1566 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
1568 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
1569 gas_output_limited_string, gas_output_ascii, output_movqi,
1570 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
1571 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
1572 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
1573 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
1574 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
1575 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
1576 Add "const" as needed to remove warnings.
1578 * config/avr/avr.c (avr_override_options, avr_init_once,
1579 function_prologue, function_epilogue, frame_pointer_required_p,
1580 class_likely_spilled_p, order_regs_for_local_alloc,
1581 avr_address_cost, avr_ret_register): Use K&R style arguments.
1582 (initial_elimination_offset, gas_output_limited_string):
1583 Remove ATTRIBUTE_UNUSED from the used arguments.
1584 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
1585 Use local variables src, dest, base to access operands[].
1586 Rename reg_dest to reg_src if that's what it is.
1587 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
1588 constants to LD_REGS if reg_was_0.
1589 (output_reload_insisf): Change arg 3 to insn length and set it.
1590 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
1591 access to 16-bit I/O register pairs.
1592 (avr_address_cost): Lower cost for the above case.
1593 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
1594 may be clobbered, also for LD_REGS.
1595 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
1598 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
1600 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
1601 macro to test_hard_reg_class function.
1602 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
1603 for loading immediate constants to LD_REGS.
1604 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
1607 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
1609 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
1610 * config/avr/libgcc.S: Lost part of the previous patch.
1612 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1614 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
1615 object before calling pthread_mutex_init.
1617 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
1619 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
1620 config/sh/crtn.asm: New files.
1621 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
1622 (crt1.o, crti.o, crtn.o): New targets.
1623 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
1625 * configure: Rebuilt.
1626 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
1627 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
1628 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
1629 Undefine for config/elfos.h to redefine.
1630 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
1632 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
1634 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
1635 legitimize_pic_address, output_pic_addr_const): Declare.
1636 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
1637 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
1638 (TARGET_SWITCHES): New switch -mprefergot.
1639 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
1640 (PIC_OFFSET_TABLE_REGNUM): Define.
1641 (GOT_SYMBOL_TABLE): Likewise.
1642 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
1643 (ENCODE_SECTION_INFO): Define.
1644 (FINALIZE_PIC): New macros.
1645 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
1646 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
1647 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
1648 (prepare_move_operands): Call emit_pic_move or
1649 emit_pic_const_move if appropriate.
1650 (output_far_jump): For PIC, use braf and output long offset.
1651 (machine_dependent_reorg):
1652 (sh_expand_prologue): Save and initialize the PIC register.
1653 (sh_expand_epilogue): Restore it.
1654 (initial_elimination_offset): Account for it.
1655 (nonpic_symbol_mentioned_p): New function.
1656 (legitimize_pic_address): Likewise.
1657 (output_pic_addr_const): Likewise.
1658 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
1659 (call, call_value): Use them.
1660 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
1661 symPLT_label2reg): New expands.
1662 * invoke.texi (SH Options): Document -mprefergot.
1664 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
1666 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
1667 * gcse.c (hash_string_1): New function.
1668 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
1669 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
1670 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
1671 (canon_hash_string): New function.
1672 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
1673 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
1674 (fold_rtx): Use ASM_OPERANDS accessor macros.
1675 * emit-rtl.c (copy_insn_1): Likewise.
1676 * integrate.c (copy_rtx_and_substitute): Likewise.
1677 * stmt.c (expand_asm_operands): Likewise. Give an
1678 ASM_OPERANDS rtx the mode of the output reg being set from it.
1680 2000-09-01 Fred Fish <fnf@be.com>
1682 * fix-header.c (write_rbrac): Add putc and getc to list of
1683 functions to protect against prior definition as a macro.
1685 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
1687 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
1688 (c_size_type_node): Define.
1689 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
1690 * c-common.c (enum format_lengths, enum format_std_version,
1691 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
1692 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
1693 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
1694 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
1695 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
1696 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
1697 format_types): Define.
1698 (format_char_info, print_char_table, scan_char_table,
1699 time_char_table): Rearrange for new organization of information
1700 about format length modifiers and standard versions.
1701 (T_ST): Redefine to use c_size_type_node.
1702 (check_format_info): Obtain information about length modifiers and
1703 standard versions from tables. Adjust warning message wordings.
1704 Use the name from the user's program for `ll' and `hh' length
1705 modifiers in warning messages. Use more informative names for
1706 wanted types where available (for wchar_t, wint_t, size_t, signed
1707 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
1709 2000-09-01 Jim Wilson <wilson@cygnus.com>
1711 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
1712 * combine.c (distribute_notes): Handle REG_NORETURN.
1713 * rtl.c (reg_note_name): Add REG_NORETURN.
1714 * rtl.h (enum reg_note): Likewise.
1716 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
1718 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
1719 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
1720 (emit_predicate_relation_info): Handle conditional calls with
1722 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
1723 instead of ia64_file_start.
1724 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
1725 * config/ia64/ia64.md (safe_across_calls_all,
1726 save_across_calls_normal): New patterns.
1728 * loop.c (check_final_value): Check for biv use before checking for
1729 giv use. Check for both biv and giv uses. Always set last_giv_use
1730 if there is a giv use.
1732 2000-09-01 Richard Henderson <rth@cygnus.com>
1734 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
1735 (madddi3): Likewise.
1738 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1740 * expr.c (clear_storage): Don't use emit_move_insn unless
1741 either BLKmode or proper size.
1742 (store_constructor): Don't call clear_storage if REG of wrong size.
1744 * flow.c (init_propagate_block_info): Don't mark frame dead at end
1745 of function if returns wiht stack pointer depressed.
1747 2000-09-01 Andrew Haley <aph@redhat.com>
1749 * dwarf2out.c (stack_adjust_offset): New function.
1750 (dwarf2out_stack_adjust): Break out stack adjust logic into
1751 new stack_adjust_offset function. Look inside parallels and
1752 sequences for stack adjustments.
1754 2000-08-31 Jeff Law <law@cygnus.com>
1756 * arm.md: Use no_new_pseudos to determine when it is safe
1757 to create new pseudo registers.
1759 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
1760 when we can safely allocate new registers.
1762 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
1764 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
1765 so that CONCATs are not generated for ASMs.
1766 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
1767 not generating_concat_p.
1768 * function.c (pop_function_context_from): Reset
1769 generating_concat_p.
1770 (prepare_function_start): Likewise.
1771 * rtl.c (generating_concat_p): Define.
1772 * rtl.h (generating_concat_p): Declare.
1773 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
1775 2000-08-22 Philipp Thomas <pthomas@suse.de>
1776 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
1778 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
1781 2000-08-30 Greg McGary <greg@mcgary.org>
1783 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
1784 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
1785 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
1787 2000-08-30 Greg McGary <greg@mcgary.org>
1789 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
1790 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
1791 (TREE_INT_CST): New macro.
1792 * varasm.c (const_hash, compare_constant_1, record_constant_1):
1793 Use new macro TREE_INT_CST.
1795 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
1797 * contrib.texi: Add self.
1799 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
1801 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
1802 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
1805 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1807 * fixinc/gnu-regex.c: Don't define `const'.
1809 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1811 * expr.c (store_constructor): Allow variable bounds of array type.
1812 (expand_expr): Don't blow up if type is ERROR_MARK.
1813 * varasm.c (output_constructor): Don't access lower bound of array
1814 type unless need it if index is supplied (so it can be a variable
1815 if no index is supplied).
1816 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
1817 Other minor cleanups.
1819 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1821 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
1822 for compilations in stage 1 and subsequent stages, respectively.
1823 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
1824 * configure: Rebuilt.
1825 * x-vax, x-vax-gcc: Deleted.
1827 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
1829 * c-common.c (declare_function_name): Use func_id_node,
1830 function_id_node, and pretty_function_id_node. Do not make
1831 __func__ visible at file scope.
1832 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
1833 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
1834 (function_id_node, pretty_function_id_node, func_id_node): New
1836 * c-decl.c (init_decl_processing): Initialize function_id_node,
1837 pretty_function_id_node, and func_id_node.
1838 (c_make_fname_decl): Correct comment.
1840 * tree.h (struct tree_identifier): Constify pointer member.
1842 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
1843 * c-pragma.h (struct weak_syms): Constify name and value members.
1844 (add_weak): Constify arguments.
1846 * calls.c (special_function_p): Constify a char *.
1847 (expand_call): Remove variable which is initialized and then
1849 * dependence.c (struct def_use, struct induction, struct subscript):
1850 Constify 'variable' member.
1851 (get_low_bound, have_induction_variable): Constify char * argument.
1852 (find_induction_variable): Add braces to avoid dangling else.
1853 (classify_dependence): Constify char * arrays.
1854 * profile.c (output_func_start_profiler): Constify a char *.
1855 * stor-layout.c (finalize_record_size): Constify a char *.
1856 * tree.c (is_attribute_p): Constify a char *.
1857 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
1859 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
1860 for comprehensibility. Do not call get_identifier if we did
1861 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
1862 create temporary string constants, not ggc_alloc_string. No
1863 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
1864 char * to hold IDENTIFIER_POINTERs.
1866 2000-08-29 Richard Henderson <rth@cygnus.com>
1868 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
1871 2000-08-29 Richard Henderson <rth@cygnus.com>
1873 * reload.c (push_secondary_reload): Allow class == reload_class
1874 if we're using a reload_in/out pattern.
1876 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
1877 the half that does not conflict with the reload register.
1878 (reload_outti): Likewise.
1880 2000-08-29 Kazu Hirata <kazu@hxi.com>
1882 * reload.c: Fix formatting.
1884 * stmt.c: Fix formatting.
1886 * gcc.c: Fix formatting.
1888 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
1890 * flags.h (time_report, mem_report): New global flags.
1891 * toplev.c: Define time_report and mem_report.
1892 (f_options): Add -ftime-report and -fmem-report.
1893 (compile_file): Turn on time_report if quiet_flag is off.
1894 Call ggc_print_statistics at very end if mem_report is on.
1895 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
1897 * ggc-common.c (ggc_print_statistics): Rename to
1898 ggc_print_common_statistics; all callers changed. Scale
1899 quantities above 10K to kilobytes and above 10M to megabytes.
1900 * ggc-page.c (ggc_page_print_statistics): Rename to
1901 ggc_print_statistics. Report memory consumed by internal data
1902 structures for each allocation bucket. Scale quantities above
1903 10K to kilobytes and above 10M to megabytes.
1904 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
1905 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
1906 Define tally_leaves always.
1907 (ggc_print_statistics): New function.
1908 * ggc.h: Adjust for renamed functions.
1910 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
1912 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
1913 output_movsisf instead of which_alternative.
1915 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
1917 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
1919 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
1920 (avr_progmem_p): New prototype.
1921 (output_movsisf): Prototype declaration changed.
1922 (output_movqi): New prototype.
1923 (output_movhi): New prototype.
1924 (call_insn_operand): Likewise.
1925 (final_prescan_insn): Likewise.
1926 (avr_simplify_comparision_p): Likewise.
1927 (avr_normalize_condition): Likewise.
1928 (compare_eq_p): Likewise.
1929 (out_shift_with_cnt): Likewise.
1930 (const_int_pow2_p): Likewise.
1931 (output_reload_inhi): Prototype declaration changed.
1933 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
1934 (ldi_reg_rtx): New. rtx for r31.
1935 (avr_init_stack): Initialize as "__stack".
1936 (function_prologue): Use it.
1937 Replace all TARGET_ENHANCED with AVR_ENHANCED.
1938 (avr_mcu_name): Initialize as "avr2".
1939 (avr_enhanced_p, avr_mega_p): New variables.
1940 (mcu_types, avr_override_options): Handle all known MCU types.
1941 Also handle avr1 (only preprocess, assemble and link).
1942 (print_operand): Using of `%K' in output template removed.
1943 (out_movqi_r_mr): Optimized.
1944 (out_movhi_r_mr): Likewise.
1945 (output_movqi): New function.
1946 (output_movhi): Likewise.
1947 (out_movsi_r_mr): Optimized.
1948 (output_movsisf): Compute insn length for `adjust_insn_length'
1949 (out_movqi_mr_r): Optimized.
1950 (out_movhi_mr_r): Optimized.
1951 (adjust_insn_length): Use output_movsisf, output_movqi,
1952 output_movhi for insn length adjusting.
1953 (reg_unused_after): Use dead_or_set_p.
1954 (preferred_reload_class): Now havn't any restriction.
1955 (reg_was_0): New function.
1956 (io_address_p): Likewise.
1957 (const_int_pow2_p): Likewise.
1958 (output_reload_inhi): Likewise.
1959 (output_reload_insisf): Likewise.
1961 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
1962 (LIB_SPEC): Use -lc for all supported devices.
1963 (LIBGCC_SPEC): Use -lgcc for all supported devices.
1964 (AVR_MEGA): Define as avr_mega_p.
1965 (AVR_ENHANCED): New, define as avr_enhanced_p.
1966 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
1967 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
1968 (CRT_BINUTILS_SPECS): Handle all known MCU types.
1969 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
1970 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
1971 (ASM_SPEC): Pass -mmcu=... to the assembler.
1972 Change all -DAVR_* to -D__AVR_*__.
1973 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
1974 Rename library functions to start with two underscores.
1975 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
1977 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
1978 (SUPPORTS_WEAK): Likewise.
1979 (LDI_REG_REGNO): New. Register r31 will be used as temporary
1980 register for loading constants to r0-r14.
1982 * config/avr/avr.md: Replace all TARGET_ENHANCED with
1984 (*mov_r_sp): Removed. Handled by output_movhi.
1985 (*mov_sp_r): Likewise.
1986 (*mov_sp_r_no_interrupts): Likewise
1987 (*mov_sp_r_tiny): Likewise.
1988 (*movqi): Use output_movqi.
1989 (*reload_inqi): New.
1990 (*movhi): Use output_movhi.
1991 (*reload_inhi): New.
1992 (*negsi2): Optimized.
1993 (*negsf2): Likewise.
1994 Added peepholes (define_peephole2) for loading constants to r0-r14
1995 and for using `cpse' command.
1997 * config/avr/libgcc.S: Rename library functions to start with two
1999 Add support for enhanced core.
2000 (_moqhi3): Fix typo, now _modqi3.
2001 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
2002 (__prologue_saves__): Remove test for stack adjust by 0.
2003 (__tablejump__): New.
2005 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
2006 Add multilib support.
2008 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
2010 * loop.c (prescan_loop): Don't check unknown_address_altered
2011 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
2012 to loop_store_mems as necessary.
2013 (loop_invariant_p): Don't check unknown_address_altered
2014 or unknown_constant_address_altered.
2016 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2018 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
2020 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2022 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
2023 print just the filename.
2024 * cpplex.c (_cpp_run_directive): Add additional argument, the
2025 name to give the synthetic buffer. This defaults to
2026 translated "<command line>".
2027 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
2029 (_cpp_define_builtin): New function.
2030 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
2031 * cpphash.h: Update prototypes.
2033 * tradcpp.c (main): Process -D and -U simultaneously, in the
2034 order they appeared on the command line.
2036 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2038 * c-decl.c (define_label): Call warning_with_file_and_line and
2039 error_with_file_and_line instead of plain warning or error.
2041 * c-parse.in (label): Use save_filename/save_lineno to ensure
2042 correct values for calls to define_label.
2044 2000-08-29 Mark Mitchell <mark@codesourcery.com>
2046 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
2048 * expr.c (expand_expr, case TARGET_EXPR): Don't call
2050 * tree.h (get_file_function_name): Remove two duplicate
2053 2000-08-28 Kazu Hirata <kazu@hxi.com>
2055 * tree.c: Fix formatting.
2057 * xcoffout.c: Fix formatting.
2059 2000-08-28 Jason Merrill <jason@redhat.com>
2061 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
2063 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2065 * dwarf2out.c (dwarf2out_finish): Don't bother calling
2066 break_out_includes if it won't do anything.
2068 2000-08-28 Richard Henderson <rth@cygnus.com>
2070 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
2071 (find_reloads): Likewise.
2072 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
2073 (reload_inhi): Likewise.
2075 2000-08-28 Richard Henderson <rth@cygnus.com>
2077 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
2078 (call_insn_operand): Don't expect a surrounding mem.
2079 (constant_call_address_operand): Likewise.
2080 * config/i386/i386.h (PREDICATE_CODES): Update.
2081 * config/i386/i386.md (call patterns): Move the match_operand
2082 for the call destination inside the mem.
2084 2000-08-28 Richard Henderson <rth@cygnus.com>
2086 * local-alloc.c (requires_inout): Don't use reserved range for
2087 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
2088 * recog.c (asm_operand_ok): Likewise.
2089 (preprocess_constraints, constrain_operands): Likewise.
2090 * regclass.c (record_reg_classes): Likewise.
2091 * reload.c (find_reloads): Likewise.
2092 * reload1.c (maybe_fix_stack_asms): Likewise.
2093 (reload_cse_simplify_operands): Likewise.
2094 * stmt.c (expand_asm_operands): Likewise.
2096 * md.texi: Update constraints documentation.
2097 * tm.texi (EXTRA_CONSTRAINT): Update.
2099 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2101 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
2102 (print_die): If we don't know the offset of the
2103 target die, try the symbol. Add a trailing newline.
2104 (reverse_all_dies): New fn.
2105 (dwarf2out_finish): Call it.
2106 (break_out_includes): Reorganize for clarity.
2107 (add_sibling_attributes): Don't call reverse_die_lists.
2108 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
2110 * flags.h: Add flag_eliminate_dwarf2_dups.
2111 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
2113 2000-08-28 Jason Merrill <jason@redhat.com>
2115 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
2116 * dwarf2out.c: #include "md5.h".
2117 (DIE_LABEL_PREFIX): New macro.
2118 (dw_val_struct): Add 'external' flag to val_die_ref.
2119 (add_AT_die_ref, AT_ref): Adjust.
2120 (AT_ref_external, set_AT_ref_external): New fns.
2121 (build_abbrev_table): Call set_AT_ref_external.
2122 (value_format): Call AT_ref_external.
2123 (die_struct): Add die_symbol field.
2124 (new_die): Clear it.
2125 (dwarf_tag_name): Handle BINCL/EINCL.
2126 (dwarf2out_start_source_file): Add BINCL DIE.
2127 (dwarf2out_end_source_file): Add EINCL DIE.
2128 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
2129 (loc_checksum, attr_checksum, die_checksum): New fns.
2130 (is_type_die, is_comdat_die, is_symbol_die): New fns.
2131 (compute_section_prefix, assign_symbol_names): New fns.
2132 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
2133 (output_die): Call output_die_symbol and AT_ref_external.
2134 (output_comdat_comp_unit): New fn, split out from...
2135 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
2137 (output_pubnames, output_aranges): Abort if we see entries from
2139 * toplev.h: Declare file_name_nondirectory.
2140 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
2141 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
2142 (debug_start_source_file): Call dwarf2out_start_source_file
2143 regardless of debug verbosity.
2144 (debug_end_source_file): Similarly.
2145 * tree.h: Declare clean_symbol_name.
2146 * tree.c (clean_symbol_name): Split out from...
2147 (get_file_function_name_long): ...here.
2149 * dwarf2out.c (new_loc_descr): Use calloc.
2150 (splice_child_die): Remove the die from the right parent.
2151 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
2153 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2155 * toplev.c (decode_g_option): Don't give warning for unknown -g
2156 option; return 0 instead.
2157 (main): If -g option is not recognized by front end or
2158 language-independent code, give warning.
2160 2000-08-28 Greg McGary <greg@mcgary.org>
2162 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
2163 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
2164 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
2166 2000-08-27 Greg McGary <greg@mcgary.org>
2168 * cpplex.c (parse_string): Don't look for backslash
2169 before first char in `namebuf'.
2170 * loop.c (strength_reduce): Skip NOTEs.
2172 2000-08-27 Jason Merrill <jason@redhat.com>
2174 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
2175 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
2176 TREE_ASM_WRITTEN, either.
2177 (finish_decl): Adjust.
2179 2000-08-28 Philipp Thomas <pthomas@suse.de>
2181 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
2182 they have been incorporated into the gettext CVS. Change the text to
2183 reflect the current status of NLS. Add instructions for accessing
2184 the gettext CVS and add the patch from Martin v. Loewis.
2186 2000-08-27 Geoff Keating <geoffk@cygnus.com>
2188 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
2189 by using gen_lowpart_common.
2190 (movdi_internal64+6): Likewise.
2192 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
2194 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
2197 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
2198 numbers to the ranges used by GDB.
2200 2000-08-25 Richard Henderson <rth@cygnus.com>
2202 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
2203 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
2204 (ia64_expand_prologue): Likewise.
2205 (ia64_setup_incoming_varargs): Set it. Properly skip the current
2206 argument for stdargs.
2208 2000-08-25 Jason Merrill <jason@redhat.com>
2210 * integrate.c (expand_inline_function): Pull out the original decl.
2212 2000-08-25 Jim Wilson <wilson@cygnus.com>
2214 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
2216 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
2218 2000-08-25 Greg McGary <greg@mcgary.org>
2220 * flow.c (dump_edge_info): Use ARRAY_SIZE.
2221 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
2223 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
2225 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
2227 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
2229 * i386.c (ix86_find_base_term): New.
2230 * i386-protos.h (ix86_find_base_term): Prototype.
2231 * i386.h (FIND_BASE_TERM): Define.
2232 * alias.c (find_base_term): Use it.
2233 * tm.texi (FIND_BASE_TERM): Document it.
2235 * alias.c (true_dependence, write_dependence_p): Unchanging
2236 memory can't conflict with non-unchanging memory.
2238 * alias.c (memrefs_conflict_p): A BLKmode reference
2239 to a symbol (or CONST_INT address) always conflicts
2240 with a reference to another symbol.
2242 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
2244 * c-common.c (time_char_table): Don't allow width and flags with
2247 2000-08-25 Jakub Jelinek <jakub@redhat.com>
2249 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
2250 way as LT and LTU when the second operand has 0 in low word.
2252 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2254 * basic-block.h (struct loop): Rename `exits' field to
2255 `exit_edges'. Add `entry_edges' and `num_entries' fields.
2257 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
2258 (flow_loop_entry_edges_find): Add.
2259 (flow_edge_list_print): Rename from flow_exits_print.
2260 (flow_loops_find): Call flow_loop_entry_edges_find.
2261 (flow_loop_dump): Dump entry_edges list.
2262 (flow_loops_free): Free entry_edges.
2264 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2266 * loop.c (loop_dump_aux, debug_loop): New functions.
2267 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
2269 * flow.c (flow_loops_dump): Add callback parameter.
2270 (flow_loop_dump): Add callback parameter and call it. Move
2271 loop note debugging code to loop_dump_aux.
2273 * basic-block.h (flow_loop_dump): Add callback parameter
2274 (flow_loops_dump): Likewise.
2276 * toplev.c (rest_of_compilation): Add NULL callback function pointer
2277 to call to flow_loops_dump.
2279 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2281 * loop.c (count_loop_regs_set): Replace start and end arguments
2282 with loop argument. All callers udated.
2284 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2286 * loop.c (constant_high_bytes): Delete.
2288 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2290 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
2291 and NOTE_INSN_LOOP_VTOP to...
2292 (find_and_verify_loops) ...here.
2294 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
2296 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
2297 (fini_dummy, init_dummy): Use it.
2299 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
2301 * cpplex.c (is_macro_disabled): Caller has already checked
2302 that we're not a preprocessed file.
2304 2000-08-24 Mark Mitchell <mark@codesourcery.com>
2306 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
2307 (c-iterate.o): Remove target.
2308 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
2309 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
2310 (finish_decl): Don't handle iterators.
2311 (grokdeclarator): Likewise.
2312 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
2313 * gcc/c-gperf.h: Regenerated.
2314 * gcc/c-iterate.c: Removed.
2315 * gcc/c-lex.c (init_lex): Don't handle iterators.
2316 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
2317 (compstmt_primary_start): Remove push_iterator_stack call.
2318 (stmt): Don't allow iterator statements. Replace iterator_expand
2319 with expand_expr_stmt.
2320 (all_iter_stmt): Remove.
2321 (all_iter_stmt_simple): Likewise.
2322 (all_iter_stmt_with_decl): Likewise.
2323 * gcc/c-tree.h (ITERATOR_P): Remove.
2324 (ITERATOR_BOUND_P): Likewise.
2325 (init_iterators): Remove declaration.
2326 (iterator_expand): Likewise.
2327 (iterator_for_loop_start): Likewise.
2328 (iterator_for_loop_end): Likewise.
2329 (iterator_for_loop_record): Likewise.
2330 (push_iterator_stack): Likewise.
2331 (pop_iterator_stack): Likewise.
2332 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
2333 (readonly_warning): Likewise.
2334 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
2336 2000-08-24 Jim Wilson <wilson@cygnus.com>
2338 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
2339 Copy type in a TYPE_DECL, just like pushdecl does.
2341 2000-08-24 Richard Henderson <rth@cygnus.com>
2343 * toplev.c (main): Enable flag_reorder_blocks at -O2.
2345 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2347 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
2348 asked for one page, allocate GGC_QUIRE_SIZE of them and put
2349 the extras on the free list.
2350 (release_pages): Clean up.
2351 (ggc_set_mark): Don't adjust G.allocated here...
2352 (sweep_pages): ... do it here.
2354 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2356 * cppfiles.c (read_include_file): Rearrange initializations.
2358 2000-08-24 Richard Henderson <rth@cygnus.com>
2360 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
2362 * config/ia64/ia64-protos.h: Update.
2363 * config/ia64/ia64.c (gr_register_operand): New.
2364 (fr_register_operand, grfr_register_operand): New.
2365 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
2366 (grfr_reg_or_8bit_operand): New.
2367 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
2368 use gr_register_operand.
2369 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
2370 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
2371 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
2372 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
2373 (fr_reg_or_fp01_operand): Likewise.
2374 (not_postinc_memory_operand): New.
2375 (ia64_split_timode): Remove unused variables.
2376 (rtx_needs_barrier): Check arguments to cmpxchg.
2377 (builtin_description): Remove.
2378 (bdesc_2argsi, bdesc_2argdi): Remove.
2379 (ia64_init_builtins): Declare all builtins directly.
2380 (ia64_expand_fetch_and_op): Rewrite to be called from
2381 ia64_expand_builtin directly. Use expand_binop and co.
2382 (ia64_expand_op_and_fetch): Likewise.
2383 (ia64_expand_compare_and_swap): Likewise.
2384 (ia64_expand_binop_builtin): Remove.
2385 (ia64_expand_lock_test_and_set): New.
2386 (ia64_expand_lock_release): New.
2387 (ia64_expand_builtin): Use them.
2388 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
2389 (EXTRA_CONSTRAINT): Use it.
2390 (PREDICATE_CODES): Update.
2391 * config/ia64/ia64.md (*): Use gr_register_operand and co.
2392 (mf): Indicate that we set memory as well as use it.
2393 (fetchadd_acq_si): Show memory being modified as well.
2394 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
2395 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
2396 (lock_test_and_set_si, lock_test_and_set_di): Remove.
2397 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
2398 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
2399 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
2400 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
2401 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
2402 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
2403 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
2404 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
2405 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
2406 return type. Pretty print definitions.
2408 2000-08-24 Jim Wilson <wilson@cygnus.com>
2410 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
2411 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
2413 2000-08-24 Jason Merrill <jason@redhat.com>
2415 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
2416 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
2417 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
2418 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
2420 2000-08-24 Greg McGary <greg@mcgary.org>
2422 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
2423 and extendtab within their proper array boundaries.
2424 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
2425 for the entire array.
2427 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
2428 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
2429 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
2430 * config/fr30/fr30.c (fr30_print_operand): Likewise.
2431 * config/i386/dgux.c (output_options): Likewise.
2432 * config/i386/dgux.h (ASM_FILE_START): Likewise.
2433 * config/m88k/m88k.c (output_options): Likewise.
2434 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
2435 * config/mcore/mcore.c (mcore_output_inline_const_forced,
2436 layout_mcore_frame, handle_structs_in_regs): Likewise.
2437 * config/mips/mips.c (output_block_move): Likewise.
2438 * config/rs6000/rs6000.c (rs6000_override_options,
2439 rs6000_file_start): Likewise.
2440 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
2441 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
2442 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
2443 * builtins.c (expand_builtin_setjmp): Likewise.
2444 * expr.c (safe_from_p): Likewise.
2445 * flow.c (life_analysis): Likewise.
2446 * fold-const.c (size_int_type_wide): Likewise.
2447 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
2448 * genattrtab.c (make_length_attrs): Likewise.
2449 * genopinit.c (gen_insn): Likewise.
2450 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
2451 * global.c (global_alloc): Likewise.
2452 * local-alloc.c (find_free_reg): Likewise.
2453 * mips-tdump.c (print_symbol): Likewise.
2454 * mips-tfile.c (parse_def, parse_input): Likewise.
2455 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
2456 * stmt.c (expand_nl_goto_receiver): Likewise.
2457 * stor-layout.c (set_sizetype): Likewise.
2458 * varasm.c (decode_reg_name): Likewise.
2459 * toplev.c (decode_f_option, decode_W_option,
2460 set_target_switch, print_switch_values): Likewise.
2461 (NUM_ELEM): Remove macro.
2462 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
2464 2000-08-24 Greg McGary <greg@mcgary.org>
2466 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
2467 (MAIN_NAME_P, main_identifier_node): New macros.
2468 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
2469 * c-decl.c (start_decl, grokdeclarator, start_function,
2470 store_parm_decls, finish_function): Use MAIN_NAME_P.
2471 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
2472 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
2473 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
2474 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
2476 2000-08-24 Greg McGary <greg@mcgary.org>
2478 * cppfiles.c (actual_directory): Don't write beyond `dir'
2479 when it contains "".
2480 * real.c (asctoeg): Stay within bounds of etens[][].
2482 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2484 * dependence.c (dependence_string, direction_string,
2485 dump_one_node, dump_node_dependence): Hide unused identifiers.
2486 (get_low_bound, normalize_coefficients): Match definition to
2488 (get_one_coefficient): Initialize variables `value0_is_idx' and
2490 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
2491 (ziv_test): Delete variable `idx', use parameter `sub' instead.
2492 (direction_merge): Avoid automatic aggregate initialization.
2493 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
2494 Initialize variables `dest_idx' and `src_idx'.
2495 (end_dependence_analysis): Avoid C89 style function definition.
2497 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
2499 * c-common.c (time_char_table): Don't allow width with %F.
2500 (check_format_info): Don't allow "Z" length with scanf.
2502 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
2504 * diagnostic.c (finish_diagnostic): Define.
2505 (output_do_printf): Use wrap_text instead of output_add_string.
2506 (default_print_error_function): Avoid embedded '\n'.
2508 * diagnostic.h (flush_diagnostic_buffer): Declare.
2510 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
2512 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
2514 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
2516 * Makefile.in (GCC_PASSES): Add specs.
2518 2000-08-23 Jim Wilson <wilson@cygnus.com>
2520 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
2521 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
2522 EHANDLER nor UHANDLER bit is set.
2523 (__get_except_table): Likewise.
2525 2000-08-23 Nick Clifton <nickc@redhat.com>
2527 * config/arm/lib1funcs.asm: Replace upper case condition codes
2528 with lower case versions.
2530 * config/arm/arm.h (STRUCT_VALUE): Define.
2531 (STRUCT_VALUE_REGNUM): Delete.
2533 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
2535 * cpphash.h (IN_I): New flag for directive table.
2536 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
2538 (_cpp_check_directive): If -fpreprocessed, execute directives
2539 marked with IN_I. Issue no warnings in this case.
2540 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
2542 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
2544 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
2546 (check_format_info): Support printf 'I' flag; warn about it with
2549 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
2551 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
2552 barrier can't be ignored by the alias analysis code.
2554 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
2556 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
2557 works inside fixincl.
2559 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
2561 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
2562 simplify_relational_operation() unless both operands are of
2564 * cse.c (fold_rtx): Likewise.
2566 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
2568 * rtlanal.c (rtx_unstable_p): The pic register is stable
2569 (within one function) and the actual rtx should be used
2570 when checking the registers.
2571 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
2573 * alias.c (true_dependence, write_dependence_p): Fix
2574 bug in previous patch.
2576 * i386.c (ix86_GOT_alias_set): New.
2577 (legitimize_pic_address): Use it.
2579 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
2580 only stable if its address is stable.
2581 (rtx_varies_p): An unchanging MEM can't vary if
2582 its address doesn't vary.
2584 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2586 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
2588 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2590 * vax.h (ASM_SPEC): Pass `-J' to assembler.
2591 * x-vax-gcc: New file for bootstrapping with gcc.
2592 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
2593 * configure.in: Use x-vax-gcc with gcc.
2594 * configure: Rebuilt.
2596 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2598 * toplev.c (rest_of_compilation): Rebuild label notes after
2599 post-reload splitting pass if new labels have been created.
2601 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
2603 * diagnostic.h (output_buffer_state): New macro.
2604 * diagnostic.c (diagnostic_for_decl, sorry,
2605 default_print_error_function, output_do_verbatim,
2606 report_diagnostic, report_problematic_module): Use it.
2608 (output_format): Use wrap_text instead of maybe_wrap_text.
2610 2000-08-22 Nick Clifton <nickc@redhat.com>
2612 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
2613 Common code for ARM divide and modulus functions.
2614 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
2616 (FUNC_END): New macro: Common code at the end of the division and
2618 (THUMB_FUNCTION_START): New macro: Common code at the start of
2620 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
2622 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
2624 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
2626 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
2627 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
2630 2000-08-22 Nick Clifton <nickc@redhat.com>
2632 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
2633 restorative additions, test for bottom bits of IP being set,
2634 rather than relying upon the RORs not matching.
2637 2000-08-22 David Edelsohn <edelsohn@gnu.org>
2639 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
2640 text_section() as appropriate instead of emitting text csect
2642 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
2643 (UNIQUE_SECTION): Define macro.
2644 (ASM_OUTPUT_SECTION_NAME): Define macro.
2645 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
2646 on AIX if debugging and -fdata-sections always.
2648 2000-08-22 Steven King <sxking@uswest.net>
2650 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
2652 (LDBL_MAX): Same here.
2654 2000-08-22 Richard Henderson <rth@cygnus.com>
2656 * flow.c (tidy_fallthru_edge): Update b->end properly.
2658 2000-08-22 Stan Cox <scox@redhat.com>
2660 * Makefile.in (OBJS): Add dependence.o.
2661 * dependence.c: New file.
2663 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
2665 * calls.c (check_sibcall_argument_overlap_1): Adjust for
2667 (check_sibcall_argument_overlap): Likewise.
2669 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
2671 * invoke.texi (SH Options): Document -m4-nofpu,
2672 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
2673 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
2675 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
2677 * c-common.c (check_format_info): Give the 'some locales' warning
2678 for strftime %Ey rather than the unconditional 'only last 2 digits
2681 2000-08-22 Richard Henderson <rth@cygnus.com>
2683 * alias.c (init_alias_analysis): Do not register
2684 struct_value_incoming_rtx or static_chain_rtx as pointing
2687 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
2689 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
2691 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
2693 * diagnostic.h (report_problematic_module): Declare.
2694 * diagnostic.c (report_problematic_module): New function.
2695 (report_error_function): Tweak.
2697 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2699 * stmt.c (expand_goto_internal, fixup_gotos): Only check
2700 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
2702 2000-08-21 Richard Henderson <rth@cygnus.com>
2704 * flow.c (calculate_global_regs_live): Mark frame pointer live
2705 everywhere before reload.
2707 2000-08-21 Jim Wilson <wilson@cygnus.com>
2709 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
2710 INTEL_EXTENDED_IEEE_FORMAT.
2711 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
2712 clear last two bytes of output FP value.
2714 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
2716 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
2718 2000-08-21 Jakub Jelinek <jakub@redhat.com>
2720 * unroll.c (loop_find_equiv_value): If ret is modified between
2721 insn and loop_start, ret might not be equivalent to reg.
2723 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
2725 * c-common.c (init_dollar_format_checking,
2726 maybe_read_dollar_number, finish_dollar_format_checking): New
2728 (dollar_arguments_used, dollar_arguments_count,
2729 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
2731 (check_format_info): Support $ formats for scanf and printf width
2732 and precision. Always increment format_chars to advance past the
2733 '*' of precision, not just when the format parameters are
2736 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2738 * mips.c (block_move_loop, expand_block_move,
2739 function_arg_partial_nregs, save_restore_insns, function_prologue,
2740 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
2742 (function_arg_advance, function_arg): Match argument to format
2745 2000-08-21 Nix <nix@esperi.demon.co.uk>
2747 * gcc.c (do_spec_1): Implement %j spec flag.
2748 Remove dead comment.
2750 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
2751 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
2752 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
2753 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
2755 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
2756 writable) instead of hardcoded value.
2758 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
2760 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
2763 * gcc.c (cc1_options): Do not process -o or run the assembler if
2765 * objc/lang-spec.h: Likewise.
2767 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
2769 * fixinc/fixincl.c (fix_with_system): Pipe the output of
2770 "external" fixes through `cat', to avoid truncating the input
2771 file by redirection.
2773 2000-08-21 Jakub Jelinek <jakub@redhat.com>
2775 * config/i386/i386.md (lea_general_1): Copy insn condition to split
2777 (lea_general_2, lea_general_3): Likewise.
2779 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2781 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
2782 warnings to user code.
2784 * c-lex.c (readescape, yylex): Likewise.
2786 * c-typeck.c (store_init_value, process_init_element): Likewise
2787 (c_expand_start_case): Format.
2789 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
2791 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
2793 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
2794 and linker_endian_spec to endian_spec.
2795 (ENDIAN_SPEC): Add %{EB} and %{EL}.
2796 (LINK_SPEC): Remove %{EB} and %{EL}.
2797 (ASM_SPEC): Likewise. Use %(endian_spec).
2799 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
2801 * c-tree.h (flag_hosted): Move declaration from here...
2802 * c-common.h (flag_hosted): ... to here.
2803 (flag_noniso_default_format_attributes): New declaration.
2804 * c-decl.c (flag_noniso_default_format_attributes): New variable.
2805 (c_decode_option): Set it appropriately for options choosing
2806 language standard variant.
2807 * c-common.c (init_function_format_info): Only provide default
2808 format attributes if flag_hosted. Only provide the gettext
2809 formats if flag_noniso_default_format_attributes. Update
2811 (check_format_info): Disable treatment of %a as a scanf flag in
2814 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
2816 * c-common.c (scan_char_table): Add 'w' to flags for all formats
2818 (check_format_info): Set 'wide' for scanf format widths. Warn for
2819 a zero scanf width. Make the check for writing into a constant
2820 object at the first level of indirection; at later levels, warn if
2821 any type qualifiers are encountered.
2823 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
2825 * reload.c (reload_inner_reg_of_subreg): New function broken out of
2827 (push_reload): Use reload_inner_reg_of_subreg.
2828 (combine_reloads): Do not combine reloads if the input reload
2829 is a SUBREG in which the inner part will need reloading.
2831 * global.c (global_alloc): Avoid passing dumpfile argument to
2833 * toplev.c (rest_of_compilation): Likewise.
2834 * reload.h (reload): Remove dumpfile argument. Callers changed.
2835 (debug_reload, debug_reload_to_stream): Move prototypes here.
2836 * rtl.h (reload): Remove dumpfile argument.
2837 * reload.c (debug_reload): Remove prototype.
2838 (debug_reload_to_stream): Likewise.
2839 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
2842 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2844 * diagnostic.c (context_as_prefix): Export.
2845 (need_error_newline): Remove.
2846 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
2847 (error_module_changed, record_last_error_module,
2848 error_function_changed, record_last_error_function): New functions.
2849 (initialize_diagnostics): Default intialize
2850 lang_diagnostic_starter, lang_diagnostic_finalizer.
2851 (init_output_buffer): Tweak.
2852 (file_name_as_prefix): New function.
2853 (announce_function, default_print_error_function,
2854 report_error_function, set_diagnostic_context): Tweak.
2856 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
2858 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
2859 condition expression.
2861 2000-08-20 Richard Henderson <rth@cygnus.com>
2863 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
2865 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
2867 * cppinit.c (cpp_init): Set global flag when called.
2868 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
2870 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
2872 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
2873 before `process_directive' so that newlines won't be missed
2875 (cpp_printf): Increment `print->lineno' when newline is emitted.
2877 * cppmain.c (cb_ident): Likewise.
2878 (cb_define): Likewise.
2879 (cb_undef): Likewise.
2880 (cb_include): Likewise.
2881 (cb_def_pragma): Likewise.
2882 (dump_macros_helper): Likewise.
2884 2000-08-20 Richard Henderson <rth@cygnus.com>
2886 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
2887 assigned before a loop.
2889 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
2890 (ashrsi3, lshrsi3): Likewise.
2892 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
2894 * c-lang.c: #include diagnostic.h
2895 (c_tree_printer): New function.
2896 (lang_init): Initialize lang_printer.
2898 * Makefile.in (c-lang.o): Depends on diagnostic.h
2900 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
2902 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
2904 * diagnostic.c (default_diagnostic_starter,
2905 default_diagnostic_finalizer): New functions.
2906 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
2907 (pedwarn, pedwarn_with_file_and_line, error,
2908 error_with_file_and_line, fatal, warning,
2909 warning_with_file_and_line): Adjust call to report_diagnostic.
2910 (report_diagnostic): Rework.
2911 (set_diagnostic_context): New function.
2913 * diagnostic.h (struct diagnostic_context): New data structure.
2914 (diagnostic_message, diagnostic_argument_list,
2915 diagnostic_file_location, diagnostic_line_location,
2916 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
2917 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
2918 (set_diagnostic_context): Declare.
2919 (report_diagnostic): Change prototype.
2921 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
2923 * fix-header.c (main): Initialize cpplib.
2925 2000-08-19 Michael Meissner <meissner@redhat.com>
2927 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
2928 instructions in it before checking for indirect jumps.
2930 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
2931 in a indirect jump as a potential for conditional execution.
2933 * d30v.h (d30v_init_expanders): Don't declare here.
2934 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
2937 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
2939 * cpp.texi: Add @section for assertions.
2941 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
2943 * loop.c (scan_loop): Use CONST_CALL_P instead of
2944 checking for REG_LIBCALL / REG_RETVAL.
2946 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
2948 * reload1.c (reload_as_needed): Accept dumpfile argument,
2949 pass it to emit_reload_insns.
2950 (emit_reload_insns): Add new dumpfile argument. If non-null
2951 then dump the reloads for each insn into the dumpfile.
2952 (reload): Pass dumpfile to reload_as_needed.
2954 * invoke.texi: Clean up linux-gnu vs linux comments.
2956 2000-08-19 Richard Henderson <rth@cygnus.com>
2958 * config/ia64/ia64.c (reg_or_5bit_operand): New.
2959 (ia64_depz_field_mask): New.
2960 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
2961 (PREDICATE_CODES): Update.
2962 * config/ia64/ia64.md: Update commentary.
2963 (depz_internal): New.
2964 (ashlsi3): Implement directly.
2965 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
2966 (ashldi3): Use shladd.
2967 * config/ia64/ia64-protos.h: Update.
2969 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
2971 * toplev.c (independent_decode_option): Always process -g.
2972 Remove third argument, now unused. Adjust caller to match.
2974 2000-08-18 Richard Henderson <rth@cygnus.com>
2976 * combine.c (make_compound_operation): Break after creating
2979 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
2981 * cpplib.c (cpp_register_pragma_space): Just return if the
2982 namespace is already registered.
2984 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
2986 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
2987 constant amount. Do not generate ROTL instruction.
2989 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
2991 * config/sh/elf.h: Do not include sh/sh.h.
2992 * config/sh/rtems.h: Likewise.
2993 * config/sh/rtemself.h: Do not include sh/elf.h.
2994 * configure.in: Get them included with `tm_file's.
2995 * configure: Rebuilt.
2997 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
2998 * config/sh/sh.c (fpscr_set_from_mem): Use them.
3000 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3002 * stor-layout.c (compute_record_type): Don't use mode of single
3003 field as mode of record if not integer mode of same type.
3005 * regmove.c (perhaps_ends_bb_p): New function.
3006 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
3007 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
3008 (fixup_match_1): Likewise.
3009 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
3010 avoid signed/unsigned warnings.
3012 * function.c (fixup_var_refs_1, case MEM): Update CODE after
3015 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
3017 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
3018 (_cpp_trigraph_map): Declaration moved from cpplex.c
3020 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
3021 instead of 256. Use consistent test for designated initializers.
3022 (cpp_init): Initialize trigraph_map.
3023 (initialize_standard_includes, parse_option): Use memcmp
3026 * cpplex.c (init_trigraph_map): Remove.
3027 (trigraph_ok, trigraph_replace, lex_line): Refer to
3030 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
3031 (do_unassert): Remove unused "next" local.
3033 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
3035 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
3037 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
3040 2000-08-17 Richard Henderson <rth@cygnus.com>
3042 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
3043 the first insn in a sequence.
3045 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
3047 * alias.c (true_dependence, write_dependence_p): A read
3048 involving a label_ref or the constant pool doesn't create
3051 * rtl.h (unchanging): Improve documentation.
3053 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
3055 * cse.c (insert_regs): Remove unused `regno'.
3057 2000-08-17 Neil Booth <NeilB@earthling.net>
3059 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
3060 remove_dup_dirs. If qtail == brack, remove brack not
3062 (remove_dup_dir, remove_dup_dirs): New functions.
3064 2000-08-17 Neil Booth <NeilB@earthling.net>
3066 * cppinit.c (cpp_cleanup): Free include dir chains.
3067 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
3068 (do_unassert): Free the assert with _cpp_free_definition.
3069 * cppmacro.c (_cpp_free_definition): Free memory allocated for
3070 assertions. Make the node a T_VOID node.
3072 2000-08-17 Neil Booth <NeilB@earthling.net>
3074 * cppinit.c (path_include, append_include_chain):
3075 Remove 2nd parameter (struct cpp_pending *).
3076 (path_include, initialize_standard_includes, cpp_handle_option):
3077 Update callers appropriately.
3078 (cpp_handle_option): Use pend.
3080 2000-08-17 Neil Booth <NeilB@earthling.net>
3082 * cppinit.c (sort_options): Remove, put functionality in
3085 (initialize_builtins): Free memory.
3086 (cpp_start_read): Move init_IStable to cpp_init.
3088 * cpplib.h (cpp_init): New prototype.
3089 * cppmain.c (main): Call cpp_init.
3091 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
3093 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
3094 (rtx_unstable_p, rtx_varies_p): Process vectors.
3096 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
3098 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
3099 references to GLOBAL symbols. Use LOCAL where appropriate.
3101 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3103 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
3104 use t-aix41 when host == target.
3106 2000-08-16 Richard Henderson <rth@cygnus.com>
3108 * reload.c (push_secondary_reload): Revert last change.
3109 If we use a reload_in/out pattern, make the when the same
3110 as the primary reload.
3111 (find_reloads): Likewise.
3113 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
3115 * configure.in (libstdcxx-v3): Fix test.
3116 * configure: Regenerate.
3118 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3120 * calls.c (calls_function_1, expand_call): Only test
3121 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3122 * function.c (thread_prologue_and_epilogue_insns): Likewise.
3124 2000-08-16 Richard Henderson <rth@cygnus.com>
3126 * combine.c (simplify_shift_const): Revert previous two
3127 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
3128 before the main loop.
3130 2000-08-15 Richard Henderson <rth@cygnus.com>
3132 * combine.c (simplify_shift_const): Bound shift count when
3135 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3137 * calls.c (ECF_SP_DEPRESSED): New macro.
3138 (calls_function_1): Treat calling sp-depressed function as alloca.
3139 (emit_call_1): Don't adjust SP if calling sp-depressed function.
3140 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
3141 If sp-depressed, ensure block saves and restores SP.
3142 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
3144 * function.c (keep_stack_depressed): New function.
3145 (thread_prologue_and_epilogue_insns): Call it.
3146 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
3147 to print DECL_OFFSET_ALIGN.
3148 Print no-force-blk and transparent-union flags properly.
3149 * stmt.c (expand_goto_internal): Don't restore stack if last block
3150 and function returns with sp depressed.
3151 (fixup_gotos): Likewise.
3152 (save_stack_pointer): New function, from code in expand_decl.
3153 (expand_decl): Call new function.
3154 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
3155 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
3156 (save_stack_pointer): New declaration.
3158 * diagnostic.c (fatal_function): New variable.
3159 (set_fatal_function): New function.
3161 * diagnostic.h (set_fatal_function): New declaration.
3163 2000-08-15 William Cohen <wcohen@redhat.com>
3165 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
3166 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
3167 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
3169 2000-08-15 Richard Henderson <rth@cygnus.com>
3171 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
3173 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3175 * arm.c (arm_function_ok_for_sibcall): New function.
3176 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
3177 * arm.md (call expanders): Don't check here for calls that can't
3180 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3182 * arm.md (splits generating cond_exec): Disable.
3184 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3186 * arm/linux-elf.h (text_section): Delete declaration.
3188 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3190 ARM support for unordered FP operations.
3191 * arm-protos.h (arm_comparison_operator): Declare.
3192 * arm.c (arm_comparison_operator): New function.
3193 (arm_select_cc_mode): Add unordered comparison codes.
3194 (get_arm_condition_code): Likewise.
3195 (arm_final_prescan_insn): Can't handle unordered jumps that can't
3196 be done in one insn.
3197 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
3198 * arm.md (all uses of comparison_operator): Replace with
3199 arm_comparison_operator.
3200 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
3202 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
3205 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3207 * gthr-posix.h: Conditionally include <sched.h>; include
3208 <config.h> from libobjc/.
3210 2000-08-14 Richard Henderson <rth@cygnus.com>
3212 * config/i386/i386.c (legitimize_pic_address): Use Pmode
3215 2000-08-14 Richard Henderson <rth@cygnus.com>
3217 * configure.in (ia64-*): Set float_format for i386 long double.
3219 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
3220 as we would for i386 XFmode.
3221 (PUT_REAL): Likewise.
3222 (endian, ereal_atof, real_value_truncate): Likewise.
3223 (ereal_isneg, toe64, etens, make_nan): Likewise.
3224 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
3226 * config/ia64/ia64-protos.h: Update.
3227 * config/ia64/ia64.c (general_tfmode_operand): New.
3228 (destination_tfmode_operand): New.
3229 (tfreg_or_fp01_operand): New.
3230 (ia64_split_timode): New.
3231 (spill_tfmode_operand): New.
3232 (ia64_expand_prologue): Use TFmode not XFmode.
3233 (ia64_expand_epilogue): Likewise.
3234 (ia64_function_arg): Likewise.
3235 (ia64_function_arg_advance): Likewise.
3236 (ia64_return_in_memory): Likewise.
3237 (ia64_function_value): Likewise.
3238 (ia64_print_operand): Likewise.
3239 (ia64_register_move_cost): Set GR<->FR to 5.
3240 (ia64_secondary_reload_class): Get GR for TImode memory op.
3241 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
3242 (ROUND_TYPE_ALIGN): Remove.
3243 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
3244 (INTEL_EXTENDED_IEEE_FORMAT): Define.
3245 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
3246 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
3247 (MODES_TIEABLE_P): Use TFmode, not XFmode.
3248 (CLASS_MAX_NREGS): Likewise.
3249 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
3250 (PREDICATE_CODES): Update.
3251 * config/ia64/ia64.md (movti): New.
3252 (movti_internal): Use a clobber for memory alternatives.
3253 (reload_inti, reload_outti): New.
3254 (movsfcc_astep): Predicate properly.
3255 (movdfcc_astep): Likewise.
3258 (extendsftf2, extenddftf2): New.
3259 (trunctfsf2, trunctfdf2): New.
3260 (floatditf2, fix_trunctfdi2): New.
3261 (floatunsditf2, fixuns_trunctfdi2): New.
3262 (addtf3, subtf3, multf3, abstf2): New.
3263 (negtf2, nabstf2, mintf3, maxtf3): New.
3264 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
3266 (fr_spill): Use TFmode, not XFmode.
3267 (fr_restore): Likewise.
3268 * config/ia64/lib1funcs.asm (__divtf3): New.
3269 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
3271 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3273 * cse.c (fold_rtx): Avoid empty body in an if-statement.
3275 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
3276 `U' integer constant suffix.
3278 * dwarf2out.c (add_subscript_info): Avoid empty body in an
3281 * sparc/sol2.h (__enable_execute_stack): Prototype.
3283 2000-08-14 David Edelsohn <edelsohn@gnu.org>
3285 * collect2.c: Remove use of AIX import file.
3287 * longlong.h: Test ARCH_PWR not ARCH_POWER.
3289 * rs6000.c (print_operand, case 'E'): Add else.
3291 2000-08-14 Richard Henderson <rth@cygnus.com>
3293 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
3294 (movdi_symbolic): New.
3296 2000-08-14 Jim Wilson <wilson@cygnus.com>
3298 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3299 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
3300 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3303 2000-08-14 Richard Henderson <rth@cygnus.com>
3305 * expr.c (emit_group_load): Don't force constants into registers.
3306 Special case source already in the correct mode.
3308 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
3310 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
3311 * fixinc/inclhack.def: Likewise.
3312 * fixinc/mkfixinc.sh: Likewise.
3313 * configure: Regenerate.
3314 * fixinc/fixincl.x: Regenerate.
3315 * install.texi: Document equivalence of linux and linux-gnu.
3317 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3319 * cse.c (insert_regs): Also in REG case: When finding an invalid
3320 value, and we make a new quantity, make sure that it won't be
3321 mistaken by for a valid one by mention_regs.
3323 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
3325 * h8300.md: Remove obsolete peepholes.
3327 2000-08-13 Kazu Hirata <kazu@hxi.com>
3329 * invoke.texi (H8/300 Options): Fix typos.
3330 * config/h8300.c: Fix formatting.
3331 * config/h8300.h: Fix comment typos.
3332 (OVERRIDE_OPTIONS): Fix formatting.
3334 * function.c: Fix formatting.
3336 * cse.c: Fix formatting.
3338 2000-08-13 Geoff Keating <geoffk@cygnus.com>
3340 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
3341 (attempt_auto_inc): Suppress parentheses warning.
3342 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
3343 * loop.c (load_mems): Remove `u' suffix in two places.
3344 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
3346 * config/rs6000/rs6000.h: Likewise.
3347 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
3348 __eabi dummy routine.
3349 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
3352 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
3353 not put stuff in .sdata unnecessarily.
3354 (rs6000_unique_section): New function.
3355 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
3356 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
3358 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
3359 arrays in C99. Don't try to look at DECL_REGISTER of a
3360 COMPONENT_REF. Don't complain twice about the same error.
3362 * fixinc/inclhack.def (aix_pthread): New fix.
3363 (aix_sysmachine): New fix.
3364 * fixinc/fixincl.x: Regenerate.
3366 * expr.c (expand_expr): Call convert_modes when turning a large
3367 multiply into a small one.
3369 2000-08-12 Geoff Keating <geoffk@cygnus.com>
3371 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
3372 the tree structure an exponent rather than an explicit alignment
3373 so it doesn't overflow.
3374 (SET_DECL_OFFSET_ALIGN): New macro.
3375 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
3376 rather than DECL_OFFSET_ALIGN.
3377 (place_field): Likewise.
3378 * expmed.c (store_bit_field): Abort on align==0 to avoid
3379 antisocial machine behaviour.
3381 2000-08-12 Richard Henderson <rth@cygnus.com>
3383 * sibcall.c (uses_addressof): Accept both addressof and
3384 current_function_internal_arg_pointer inside a mem.
3385 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
3386 if current_function_uses_addressof.
3387 * stmt.c (expand_return): Kill tail recursion and HAVE_return
3390 2000-08-11 Richard Henderson <rth@cygnus.com>
3392 * config/ia64/ia64.md (addsi3): Remove expander.
3393 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
3394 (*addsi3_shladd): New.
3396 2000-08-11 Richard Henderson <rth@cygnus.com>
3398 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
3399 (do_restore): Likewise.
3400 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
3401 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
3402 (rtx_needs_barrier): Track actual bit manipulation for
3403 ar.unat moves, gr_spill, and gr_restore.
3404 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
3405 (process_set): Don't handle varargs spills.
3406 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
3407 .mem.offset here instead of in process_set.
3408 (gr_restore): Likewise.
3410 2000-08-11 Richard Henderson <rth@cygnus.com>
3412 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
3414 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
3416 * gcc.texi (The Configuration File): Document
3417 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
3418 UPDATE_PATH_HOST_CANONICALIZATION.
3420 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3422 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
3423 unprototyped function pointer casts on integer constants.
3425 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
3427 * fixproto: Recognize DOS paths with drive letters as absolute paths.
3429 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
3431 * extend.texi (Volatiles): Fix typos.
3433 2000-08-11 Kazu Hirata <kazu@hxi.com>
3435 * flow.c: Fix formatting.
3437 2000-08-11 Richard Henderson <rth@cygnus.com>
3439 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
3440 pattern, always allocate a tertiary scratch register.
3442 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
3443 (reload_inhi): Likewise.
3445 2000-08-11 Richard Henderson <rth@cygnus.com>
3447 * function.c (put_reg_into_stack): Allow type to be NULL.
3448 (schedule_fixup_var_refs): Likewise.
3449 (gen_mem_addressof): Allow decl to be NULL.
3450 (put_addressof_into_stack): Likewise.
3452 * flow.c (merge_blocks_nomove): Be more careful about
3453 locating the beginning of block A.
3455 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
3457 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3462 * config.in: Reverted the check for <sched.h>.
3464 2000-08-10 Chris Demetriou <cgd@sibyte.com>
3466 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
3467 macros define the name of CTOR and DTOR sections.
3468 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
3469 DTOR_LIST_END): Change to use attributes to specify
3471 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
3472 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
3473 DTOR_LIST_END): Same as in mips/elf.h.
3475 2000-08-10 Drew Moseley <dmoseley@redhat.com>
3477 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
3478 disabling just crt0.o.
3480 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
3482 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
3483 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
3484 (EXTRA_SPECS): Add them.
3485 * arm/lib1funcs.asm: Support builds for interworking.
3486 Use macros to eliminate duplicated pieces of code.
3488 2000-08-10 Kazu Hirata <kazu@hxi.com>
3490 * h8300.c (expand_a_rotate): New.
3491 (emit_a_rotate): Likewise.
3492 (h8300_adjust_insn_length): Add support for the rotate insns.
3493 * h8300.md (rotlqi3): New.
3494 (*rotlqi3_1): Likewise.
3495 (rotlhi3): Likewise.
3496 (*rotlhi3_1): Likewise.
3497 (rotlhi3): Likewise.
3498 (*rotlhi3_1): Likewise.
3499 * h8300-proto.h: Add prototypes for expand_a_rotate and
3502 * h8300.c: Fix comment typos.
3503 (dosize): Declare the variable amount as unsigned.
3504 (get_shift_alg): Fix a comparison between signed and unsigned.
3505 (emit_a_shift): Likewise.
3506 (h8300_adjust_insn_length): Simplify the code.
3508 * c-decl.c: Fix formatting.
3510 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3512 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
3513 warning about non-traditional numeric constant suffixes.
3515 * cppexp.c (parse_number): Likewise.
3517 * invoke.texi: (-Wtraditional): Document new behavior.
3519 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3521 * gthr-posix.h: Include auto-host.h. Conditionally include
3523 * configure.in: Check for the <sched.h> header file.
3524 * config.in: Added define for HAVE_SCHED_H.
3526 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3528 * c-typeck.c (process_init_element): For -Wtraditional, warn about
3529 initialization of unions.
3531 * invoke.texi (-Wtraditional): Document new behavior.
3533 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
3535 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
3536 instead of extra_c_flags.
3537 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
3538 * configure: Regenerate.
3539 * config.in: Regenerate.
3541 * cpperror.c (cpp_type2name): New function.
3542 * cpplex.c (lex_line): If we issued an error for an invalid
3543 preprocessing directive, discard that logical line.
3544 * cpplib.c (do_line): Call a hook function if the current file
3545 is renamed by #line.
3546 (do_ident): Pass the contents of the string, not the entire
3547 token, to the callback function.
3548 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
3549 (cb.rename_file): New hook function.
3550 (cb.ident): Adjust prototype.
3551 (cpp_type2name): Prototype.
3552 * cppmacro.c (dump_macro_args): Correct precedence lossage.
3554 * cppmain.c (cb_ident): Update for changed interface.
3555 (cb_rename_file): New function.
3556 (main): Set rename callback.
3558 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
3560 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
3561 multi-word registers.
3563 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
3565 * c-common.c (combine_strings, check_format_info): Refer to ISO C
3566 or ISO C89 instead of ANSI C.
3567 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
3568 build_enumerator, do_case): Likewise.
3569 * c-lex.c (parse_float, yylex): Likewise.
3570 * c-parse.in: Likewise.
3571 * c-typeck.c (common_type, build_array_ref, build_binary_op,
3572 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
3573 build_c_cast, convert_for_assignment, set_init_index,
3574 set_init_label, c_expand_start_case): Likewise.
3575 * toplev.c (documented_lang_options, display_help): Likewise.
3577 2000-08-08 Kazu Hirata <kazu@hxi.com>
3579 * h8300.c: Fix formatting.
3580 * h8300.h: Likewise.
3581 * h8300.md: Likewise.
3582 (movsi_h8300hs): Fix formatting of the resulting assembly code.
3584 * reload1.c: Fix formatting.
3586 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
3588 * alpha/alpha.c (alpha_emit_xfloating_libcall):
3589 Use GEN_CALL_VALUE define.
3590 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
3591 * clipper/clipper.md (untyped_call): Likewise.
3592 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
3593 * fx80/fx80.md (untyped_call): Likewise.
3594 * mips/mips.md (untyped_call): Likewise.
3595 * ns32k/ns32k.md (untyped_call): Likewise.
3596 * pa/pa.md (untyped_call): Likewise.
3597 * romp/romp.md (untyped_call): Likewise.
3598 * sparc/sparc.md (untyped_call): Likewise.
3600 2000-08-08 Jason Eckhardt <jle@cygnus.com>
3602 * config/i860/i860.c (singlemove_string): Do not generate assembler
3603 pseudo instructions that must be expanded (that is, with signed
3604 constants larger than 16 bits).
3606 2000-08-08 Richard Henderson <rth@cygnus.com>
3608 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
3609 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
3610 (init_propagate_block_info): Don't kill memory stores at -O0.
3611 (mark_set_1, mark_used_regs): Likewise.
3613 2000-08-08 David Edelsohn <edelsohn@gnu.org>
3615 * rs6000.c (optimization_options): Decorate 'level' as
3617 (mask64_operand): Remove sign-extend thinko.
3618 (rldic_operand): New function.
3619 (load_multiple_operation): regno's are unsigned ints.
3620 (store_multiple_operation): Likewise.
3621 (lmw_operation): Likewise.
3622 (stmw_operation): Likewise.
3623 (includes_lshift_p): shift_mask is unsigned int.
3624 (includes_lshift64_p): New function.
3625 (addrs_ok_for_quad_peep): unsigned int reg1.
3626 (print_operand): Consistently add "else" after
3627 output_operand_lossage().
3628 (print_operand, case 'b'): Fold in case 'W'.
3629 (print_operand, case 'W'): Print rldic MB value.
3630 (output_epilogue): Update Objective-C language string.
3631 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
3632 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
3633 * rs6000.md (ashldi3): Add rldic instruction.
3634 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
3635 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
3638 2000-08-08 Richard Henderson <rth@cygnus.com>
3640 * config/ia64/ia64-protos.h: Remove duplicates. Update
3641 for massive code rearrangements.
3642 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
3643 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
3644 (ia64_local_regs, ia64_need_regstk): Remove.
3645 (ar_ccv_reg_operand): New.
3646 (ia64_gp_save_reg): New.
3647 (struct ia64_frame_info): Combine most of the size elements;
3648 add new gr save elements.
3649 (find_gr_spill): New.
3650 (next_scratch_gr_reg): New.
3651 (mark_reg_gr_used_mask): New.
3652 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
3653 to GR backing store regs when possible.
3654 (ia64_initial_elimination_offset): New.
3655 (ia64_rap_fp_offset): Remove.
3656 (save_restore_insns): Remove.
3657 (setup_spill_pointers): New.
3658 (finish_spill_pointers): New.
3659 (spill_restore_mem): New.
3660 (do_spill, do_restore): New.
3661 (ia64_expand_prologue): Rewrite to use them.
3662 (ia64_expand_epilogue): Likewise.
3663 (ia64_direct_return): Update for current_frame_info changes.
3664 (ia64_function_prologue): Simplify .prologue emission. Emit
3666 (ia64_setup_incoming_varargs): Don't ever emit rtl.
3667 (ia64_dbx_register_number): New.
3668 (ia64_initialize_trampoline): New.
3669 (ia64_secondary_reload_class): Request GR_REGS for integer
3670 arithmetic destined for FR_REGS.
3671 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
3672 (ia64_mark_machine_status): Mark ia64_gp_save.
3673 (rws_access_regno): Rename from rws_access_reg; don't treat
3674 predicates specially.
3675 (rws_access_reg): New. Update all callers.
3676 (rtx_needs_barrier): Remove dead unspecs.
3677 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
3678 (ia64_encode_section_info): Silence signed/unsigned warnings.
3679 (spill_offset, sp_offset, spill_offset_emitted): Remove.
3680 (tmp_reg, tmp_saved): Remove.
3681 (process_set): Rewrite to expect complicated bits via
3682 REG_FRAME_RELATED_EXPR.
3683 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
3684 in the use of ar.ccv; never set RTX_UNCHANGING_P.
3685 (ia64_expand_op_and_fetch): Likewise.
3686 (ia64_expand_compare_and_swap): Likewise.
3687 (ia64_expand_builtin): Likewise.
3688 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
3689 (FIRST_PSEUDO_REGISTER): Update.
3690 (AR_M_REGNO_P): Update.
3691 (FIXED_REGS): Don't mark three local registers as used.
3692 (EXTRA_CC_MODES): New.
3693 (SELECT_CC_MODE): New.
3694 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
3695 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
3696 (FRAME_GROWS_DOWNWARD): Unset.
3697 (STARTING_FRAME_OFFSET): Zero.
3698 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
3699 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
3700 (HARD_FRAME_POINTER_REGNUM): New.
3701 (CAN_DEBUG_WITHOUT_FP): Define.
3702 (TRAMPOLINE_TEMPLATE): Remove.
3703 (TRAMPOLINE_SIZE): Lower to 32.
3704 (TRAMPOLINE_ALIGNMENT): Lower to 64.
3705 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
3706 (PREDICATE_CODES): Update.
3707 (struct machine_function): Add ia64_gp_save.
3708 * config/ia64/ia64.md: Purge unused unspecs.
3709 (movsi patterns): Allow moves to/from AR_M_REGS.
3710 (movdi patterns): Allow moves to/from p0.
3711 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
3712 (gr_spill, gr_restore): Indicate ar.unat read/written.
3713 (nonlocal_goto): Don't pass old frame_pointer.
3714 (nonlocal_goto_receiver): Remove.
3715 (exception_receiver): New.
3716 (builtin_setjmp_setup): New.
3717 (builtin_setjmp_receiver): New.
3718 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
3719 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
3720 (__ia64_restore_stack_nonlocal): Likewise.
3721 (__ia64_trampoline): New.
3722 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
3724 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
3726 2000-08-08 Richard Henderson <rth@cygnus.com>
3728 * frame.h (ia64_frame_state): Add my_psp.
3729 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
3730 (__throw): Pass it in. Don't clobber r7.
3731 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
3732 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
3733 and nothing to do with sp.
3734 (normalize_reg_loc): Use frame->my_psp.
3735 (frame_translate): Handle frame-pointer-less functions. Set
3736 spill_base correctly, in absence of being told.
3737 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
3738 (__ia64_backtrace_helper): New sp argument. Use
3739 builtin_return_address instead of label addresses.
3740 (print_record) [mem_stack_v]: No size member.
3742 2000-08-08 Richard Henderson <rth@cygnus.com>
3744 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
3746 2000-08-08 Richard Henderson <rth@cygnus.com>
3748 * tm.texi (LOCAL_REGNO): Document.
3749 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
3750 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
3751 * reload1.c (reload): Likewise when considering nonlocal labels.
3753 * config/ia64/ia64.h (LOCAL_REGNO): New.
3754 * config/sparc/sparc.h (LOCAL_REGNO): New.
3756 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
3758 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
3760 2000-08-07 Nick Clifton <nickc@redhat.com>
3762 * config/mips/mips.c: Fix compile time warning messages.
3763 * config/mips/mips-protos.h: Add prototype for equality_op.
3765 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
3767 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
3769 * mn10300.md: Use nonimmediate_operand instead of general_operand
3772 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
3774 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
3776 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
3777 * sh.c (expand_block_move): Break long lines.
3778 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
3779 * sh.md (mulsi3): Likewise.
3780 (movdi): Adjust spacing.
3782 2000-08-07 Richard Henderson <rth@cygnus.com>
3784 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
3785 * expr.c (emit_group_store): Don't set it.
3787 2000-08-07 Kazu Hirata <kazu@hxi.com>
3789 * invoke.texi (Options for Debugging Your Program or GCC): Remove
3790 duplicate entries for 'w' and 'z'.
3792 * flow.c: Fix a comment typo.
3794 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3796 * c-parse.in: Changed the language string for Objective-C to "GNU
3799 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3801 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
3802 to improve the Posix thread support for Objective-C.
3804 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
3806 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
3807 CTI_UNSIGNED_PTRDIFF_TYPE.
3808 (signed_size_type_node): Define.
3809 (unsigned_ptrdiff_type_node): Define.
3810 * c-decl.c (init_decl_processing): Create the
3811 signed_size_type_node and unsigned_ptrdiff_type_node types.
3812 * c-common.c (T_SC): Define.
3815 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
3816 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
3818 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
3819 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
3820 flags for %c, %s and %[.
3821 (check_format_info): Only allow leniency for signedness of targets
3822 of character pointers (when pedantic) for formats flagged with
3823 "c", so for strings but not for %hh formats. When pedantic, don't
3824 allow character pointers to substitute for void pointers if a
3825 second level of indirection is present.
3827 2000-08-06 Kazu Hirata <kazu@hxi.com>
3829 * invoke.texi (Options for Debugging Your Program or GCC): Update
3830 the names of dump files.
3832 * h8300.c (dosize): Rearrange code for conciseness.
3833 (split_adds_subs): Likewise.
3835 * loop.c: Fix formatting.
3837 * dwarf2out.c: Fix formatting.
3839 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
3841 * expr.c: Fix formatting.
3843 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3845 * rs6000.c (rs6000_maybe_dead): Prototype.
3847 2000-08-06 Richard Henderson <rth@cygnus.com>
3849 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
3850 HAVE_nonlocal_goto as well.
3851 * config/i960/i960.md (nonlocal_goto): Don't do it here.
3852 * config/pj/pj.md (nonlocal_goto): Likewise.
3854 2000-08-07 Michael Hayes <mhayes@cygnus.com>
3856 * loop.c (try_swap_copy_prop): New function.
3857 (load_mems): Rename copies to load_copies and add new regset
3858 store_copies. Check for sets of shadow registers and mark
3859 in store_copies. Call try_swap_copy_prop for registers
3860 marked in store_copies.
3862 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3864 * objc/objc-act.c: New command line option -fconstant-string-class
3865 to allow specifying a user defined constant string class,
3866 different from NXConstantString.
3868 * toplev.c: Moved the Objective-C specific options to
3869 objc/lang-options.h.
3871 * objc/lang-options.h: Moved the Objective-C specific options from
3872 toplev.c. Added -fconstant-string-class.
3874 2000-08-05 Chris Demetriou <cgd@sibyte.com>
3876 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3877 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
3878 __CTOR_LIST__ from func_ptr array to just func_ptr, to
3879 avoid extra alignment imposed on arrays.
3880 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3881 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
3883 * mips.h: Clean up comments and spacing near MASKs.
3884 (TARGET_UNIX_ASM): Delete.
3885 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
3886 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
3889 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
3891 * c-common.c (print_char_table): Add entries for the X/Open '
3892 format flag (print decimals with locale's thousands grouping
3893 character). Make %C expect wint_t.
3894 (check_format_info): If pedantic, warn when the %n$ operand
3895 number form is used. Allow for the ' flag; warn about it if
3898 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
3900 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
3901 type is a float mode, cfun->decl's return type is not, and
3902 TARGET_FLOAT_RETURNS_IN_80387.
3904 2000-08-04 Andreas Schwab <schwab@suse.de>
3906 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
3907 token list, which are always `#' and `pragma'.
3909 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
3911 * tree.c (tree_expr_nonnegative_p): Move to...
3912 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
3913 (rtl_expr_nonnegative_p): New.
3914 * tree.h: Add prototype for rtl_expr_nonnegative_p.
3916 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
3917 CONST_DOUBLE_CHAIN: Move to...
3918 * rtl.h: ...here. Use XCINT/XCEXP.
3920 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
3921 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
3922 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
3925 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
3927 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3929 * config/c4x/c4x.md (return_indirect_internal): New.
3930 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
3932 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
3934 * c-common.c (time_char_table): Mark up formats added in C99 and
3935 make other corrections. %D and %g were added in C99. %Og is an
3936 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
3937 C99. %e was added in C99. %Oj is an extension. %G and %z are in
3938 C99 rather than GNU extensions, but %OG and %Oz are extensions.
3939 %h was added in C99. %C was added in C99. %OY and %OC are
3940 extensions. Add the C99 format %F.
3941 (check_format_info): If pedantic and not in C99 mode, warn for C99
3944 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3946 * function.c (schedule_fixup_var_refs): New function, broken out
3947 of put_reg_into_stack.
3948 (put_reg_into_stack): Use it.
3949 (put_var_into_stack): In CONCAT case, fixup up references for
3950 components only after fixing up references to the whole concat.
3952 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
3954 * alias.c (mark_constant_function): Use INSN_P.
3955 (init_alias_analysis): Likewise.
3956 * combine.c (combine_instructions): Use INSN_P.
3957 (can_combine_p): Likewise.
3958 (try_combine): Likewise.
3959 (distribute_notes): Likewise.
3960 (distribute_links): Likewise.
3961 * cse.c (cse_around_loop): Use INSN_P.
3962 (invalidate_skipped_block): Likewise.
3963 (cse_set_around_loop): Likewise.
3964 (cse_end_of_basic_block): Likewise.
3965 (delete_trivially_dead_insns): Likewise.
3966 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
3967 (unshare_all_rtl_1): Likewise.
3968 (next_cc0_user): Likewise.
3969 (try_split make_insn_raw): Likewise.
3970 (remove_unnecessary_notes): Likewise.
3971 * final.c (shorten_branches): Use INSN_P.
3972 (leaf_renumber_regs): Likewise.
3973 (leaf_renumber_regs_insn): Likewise.
3974 * flow.c (find_label_refs): Use INSN_P.
3975 (verify_wide_reg): Likewise.
3976 (notice_stack_pointer_modification): Likewise.
3977 (count_or_remove_death_notes): Likewise.
3978 (verify_flow_info): Likewise.
3979 (clear_log_links): Likewise.
3980 * function.c (fixup_var_refs_insns): Use INSN_P.
3981 (compute_insns_for_mem): Likewise.
3982 * gcse.c (alloc_gcse_mem): Use INSN_P.
3983 (compute_sets): Likewise.
3984 (compute_hash_table): Likewise.
3985 (classic_gcse): Likewise.
3987 (insert_insn_end_bb): Likewise.
3988 (delete_null_pointer_checks_1): Likewise.
3989 * global.c (expand_preferences): Use INSN_P.
3990 (build_insn_chain): Likewise.
3991 * graph.c (node_data): Use INSN_P.
3992 * haifa-sched.c (priority): Use INSN_P.
3993 (rm_line_notes): Likewise.
3994 (rm_other_notes): Likewise.
3995 (find_insn_reg_weight): Likewise.
3996 (init_target_units): Likewise.
3997 (schedule_block): Likewise.
3998 (compute_block_forward_dependences): Likewise.
3999 (debug_dependencies): Likewise.
4000 (set_priorities): Likewise.
4001 * integrate.c (function_cannot_inline_p): Use INSN_P.
4002 (save_parm_insns): Likewise.
4003 (copy_insn_list): Likewise.
4004 * jump.c (mark_all_labels): Use INSN_P.
4005 (never_reached_warning): Likewise.
4006 * lcm.c (optimize_mode_switching): Use INSN_P.
4007 * local-alloc.c (validate_equiv_mem): Use INSN_P.
4008 (memref_used_between_p): Likewise.
4009 (update_equiv_regs): Likewise.
4010 (block_alloc): Likewise.
4011 (no_conflict_p): Likewise.
4012 * loop.c (scan_loop): Use INSN_P.
4013 (find_and_verify_loops): Likewise.
4014 (count_loop_regs_set): Likewise.
4015 (loop_reg_used_before_p): Likewise.
4016 (strength_reduce): Likewise.
4017 (recombine_givs): Likewise.
4018 (check_dbra_loop): Likewise.
4019 (load_mems): Likewise.
4020 (try_copy_prop): Likewise.
4021 * print-rtl.c (print_rtx): Use INSN_P.
4022 * recog.c (find_single_use): Use INSN_P.
4023 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
4024 (next_flags_user): Likewise.
4025 (swap_rtx_condition): Likewise.
4026 * regmove.c (mark_flags_life_zones): Use INSN_P.
4027 (optimize_reg_copy_1): Likewise.
4028 (optimize_reg_copy_2): Likewise.
4029 (optimize_reg_copy_3): Likewise.
4030 (reg_is_remote_constant_p): Likewise.
4031 (fixup_match_2): Likewise.
4032 (regmove_optimize): Likewise.
4033 (fixup_match_1): Likewise.
4034 * regrename.c (build_def_use): Use INSN_P.
4035 (replace_reg_in_block): Likewise.
4036 (consider_use): Likewise.
4037 * reload.c (find_equiv_reg): Use INSN_P.
4038 * reload1.c (reload): Use INSN_P.
4039 (maybe_fix_stack_asms): Likewise.
4040 (calculate_needs_all_insns): Likewise.
4041 (reload_as_needed): Likewise.
4042 (emit_output_reload_insns): Likewise.
4043 (delete_address_reloads_1): Likewise.
4044 (reload_cse_regs_1): Likewise.
4045 (reload_combine): Likewise.
4046 (reload_cse_move2add): Likewise.
4047 * reorg.c (redundant_insn): Use INSN_P.
4048 (dbr_schedule): Likewise.
4049 * resource.c (find_dead_or_set_registers): Use INSN_P.
4050 (mark_target_live_regs): Likewise.
4051 * rtlanal.c (reg_used_between_p): Use INSN_P.
4052 (reg_referenced_between_p): Likewise.
4053 (reg_set_between_p): Likewise.
4054 (reg_set_p): Likewise.
4055 (single_set): Likewise.
4056 (multiple_sets): Likewise.
4057 (find_last_value): Likewise.
4058 (reg_set_last): Likewise.
4059 (find_reg_note): Likewise.
4060 (find_regno_note): Likewise.
4061 * sibcall.c (sequence_uses_addressof): Use INSN_P.
4062 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
4063 * ssa.c (find_evaluations): Use INSN_P.
4064 (rename_block): Likewise.
4065 (rename_equivalent_regs): Likewise.
4066 * unroll.c (loop_find_equiv_value): Use INSN_P.
4067 (set_dominates_use): Likewise.
4068 * varasm.c (mark_constant_pool): Use INSN_P.
4069 (mark_constants): Likewise.
4070 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
4071 (alphaev4_next_group): Likewise.
4072 (alphaev5_next_group): Likewise.
4073 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
4074 (c4x_rptb_rpts_p): Likewise.
4075 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
4076 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
4077 (rs6000_adjust_priority): Likewise.
4078 * config/sh/sh.c (sh_loop_align): Use INSN_P.
4079 (machine_dependent_reorg): Likewise.
4080 (split_branches): Likewise.
4081 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
4083 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
4085 * combine.c (recog_for_combine): Remove the old notes
4086 prior to attempting to recognize the new pattern.
4087 (distribute_notes): Ignore REG_NONNEG notes.
4089 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
4091 * varasm.c (output_constructor): Add .align 0 for packed vars.
4093 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4095 * configure.in: Use default thread_file even when enable_threads is
4096 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
4097 * configure: Rebuilt.
4099 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
4101 2000-08-04 Donn Terry (donnte@microsoft.com)
4103 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
4105 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
4107 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
4108 Delete code that conditionally modifies 'version'.
4109 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
4110 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
4111 * gcc.c (main): Use it.
4112 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
4113 * prefix.c (update_path): Use it.
4114 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
4115 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
4116 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
4118 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
4119 (SUBTARGET_SWITCHES): Adjust.
4120 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
4122 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
4124 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4126 * c-common.h (flag_isoc94): Declare.
4127 * c-decl.c (flag_isoc94): Define.
4128 (c_decode_option): Set flag_isoc94 as appropriate.
4129 * c-common.c (T_PD, T_IM, T_UIM): Define.
4130 (format_char_info): Add tlen and jlen.
4131 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
4133 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
4135 (time_char_table): Add NULL entries for %t and %j.
4136 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
4137 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
4138 Warn for printf %lf if pedantic and not C99. Don't warn for empty
4139 precision. Allow precision argument to be unsigned int. If
4140 pedantic, warn for %p passed an argument not a pointer to possibly
4141 qualified void or a possibly qualified character type, and for
4142 pointer targets of the wrong sign, except for character pointers.
4144 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4146 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
4147 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
4148 (wint_type_node): Define.
4149 * c-decl.c (WINT_TYPE): Define.
4150 (init_decl_processing): Create the wint_type_node type.
4151 * c-common.c (T_WI): Define.
4152 (print_char_table): Use T_WI for %lc format.
4154 2000-08-04 Bruce Korb <bkorb@gnu.org>
4156 * fixinc/: Verified that the MSDOS patch does not break
4157 the UNIX functionality and applied the next three patches
4160 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
4162 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
4163 output file with the temporary one by appending ".X" to generate
4164 the temporary fuile's name. If the output file already has an
4165 extension, replace it with ".X".
4167 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
4168 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
4169 reallocate the command buffer while copying the command-line
4170 argument. Redirect the output directly to the temporary file,
4171 instead of going through another temporary file.
4172 (process): Close the temporary file before unlinking it.
4173 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
4174 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
4175 (run_compiles): Pass p_fixd argument to machine_matches, as it
4178 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
4179 environment, assume there are no symlinks in the include
4180 directory. When cleaning up the DONE files, look for them
4181 case-insensitively. Don't try to remove symlinks if they aren't
4184 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
4185 all callers changed. Declare pz "const char *", to avoid compiler
4188 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
4189 Change prototype of make_raw_shell_str.
4191 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
4193 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
4194 (initialize) [__MSDOS__]: Use tempnam.
4195 (initialize): Don't use SIGPIPE if it is not defined.
4197 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
4200 2000-07-25 Bruce Korb <bkorb@gnu.org>
4202 * fixinc/fix*.[ch]: substantially reworked to make it possible
4203 to run this program without using fork(2) or pipe(2) (i.e. in
4206 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4208 * cppdefault.h (WINT_TYPE): Define.
4209 * cppinit.c (builtin_array): Define __WINT_TYPE__.
4210 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
4211 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
4213 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
4215 * (mips_legitimate_address_p): Don't allow register+offset
4216 if the offset is large and negative, and we are compiling
4217 for 64 bit registers.
4219 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4221 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
4222 insn_code_number + 1.
4224 2000-08-04 Kazu Hirata <kazu@hxi.com>
4226 * h8300.c (function_prologue): Rearrange code for conciseness.
4227 (function_epilogue): Likewise.
4228 * h8300.h (OK_FOR_U): Fix formatting.
4230 * cse.c: Fix a comment typo. Fix formatting.
4232 2000-08-03 Richard Henderson <rth@cygnus.com>
4234 * config/i386/i386.md (return_indirect_internal): New.
4235 * config/i386/i386.c (ix86_expand_epilogue): Use it.
4237 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
4239 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
4241 (lex_line): Glue @ onto the beginning of identifiers and
4242 string constants, in Objective-C mode.
4243 (output_token, spell_token): Handle CPP_OSTRING.
4244 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
4245 beginning of a NAME or a STRING, in objc mode.
4247 * cpplib.c (get_define_node): Do not permit identifiers that
4248 begin with @ to be #defined.
4249 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
4250 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
4252 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
4253 * c-tree.h (build_objc_string): Delete prototype.
4254 * objc/objc-tree.def: Delete OBJC_STRING_CST.
4255 * c-lex.c (yylex): Use build_string for all three kinds of strings.
4257 * c-parse.in, objc/objc-act.c: Update commentary.
4259 2000-08-03 Mark Mitchell <mark@codesourcery.com>
4261 * extend.texi: Fix typo in last change.
4263 * extend.texi: Add commentary on statement-expressions and their
4264 interactions with C++.
4266 2000-08-03 Nick Clifton <nickc@cygnus.com>
4268 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
4269 * dwarf.h (LANG_JAVA): Change value to 0x000b.
4271 2000-08-03 Anthony Green <green@cygnus.com>
4273 * dwarf2out.c (gen_compile_unit_die): Add java language support.
4274 (add_bound_info): Check for java language.
4275 (is_java): New function.
4276 * dwarfout.c (output_compile_unit_die): Ditto.
4277 * dwarf.h (dwarf_source_language): Add java source language type.
4278 * dwarf2.h (dwarf_source_language): Ditto.
4280 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4282 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
4285 * i386.c (ix86_expand_branch): Mode of comparison in
4286 IF_THEN_ELSE is VOIDmode.
4288 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
4290 * gengenrtl.c, rtl.c: Avoid #elif.
4292 2000-08-03 Michael Poole <poole@troilus.org>
4294 * tm.texi (Register Classes): Clarify order of sub-initializers
4295 in REG_CLASS_CONTENTS.
4297 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4299 From SAITOH Masanobu:
4300 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
4302 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
4304 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
4305 is not supported by tradcpp and isn't actually needed for cygwin.
4307 2000-08-03 Kazu Hirata <kazu@hxi.com>
4309 * h8300.c: Fix a comment typo.
4310 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
4312 * jump.c: Fix formatting.
4314 * toplev.c: Fix formatting.
4316 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
4318 * flow.c (find_auto_inc): Verify that we've got a REG before
4319 peeking at its regno. Fail, don't abort if we can't find
4320 the increment of the desired register.
4322 * pa.md (shadd height reduction patterns/splitters): Remove.
4324 2000-08-02 Jim Wilson <wilson@cygnus.com>
4326 * config/ia64/ia64-protos.h (flag_ssa): Declare.
4327 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
4329 2000-08-02 Mark Mitchell <mark@codesourcery.com>
4331 * dce.c: Remove all uses of assert.
4332 * dwarf2out.c: Likewise.
4333 * dwarfout.c: Likewise.
4336 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4338 * gcc.h (lang_specific_driver): Constify second argument.
4339 * gcc.c (translate_options, process_command, main): Likewise.
4340 Constify variables to match. Cast second argument to
4343 * cppspec.c, gccspec.c: Adjust type of second argument to
4344 lang_specific_driver, and update code as necessary.
4346 2000-08-02 Jakub Jelinek <jakub@redhat.com>
4348 * loop.c (scan_loop): Ensure update_end label does not
4349 go away until reg_scan_update is run.
4351 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4353 * c-common.h: Prototype min_precision and c_build_qualified_type here...
4354 * c-tree.h: ... not here.
4355 * errors.h: Prototype fancy_abort.
4357 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
4358 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
4359 * regrename.c (regrename_optimize): Make control flow explicit.
4360 (replace_reg_in_block): Initialize reg_use to 0.
4362 * i386.c (legitimate_address_p): Rename error label to
4363 report_error to avoid namespace clash.
4365 2000-08-02 Kazu Hirata <kazu@hxi.com>
4367 * fold-const.c: Fix formatting.
4369 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
4371 * i386.c (legitimate_address_p): Accept other bases than
4372 pic_offset_table_rtx for GOTOFF constructs.
4374 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
4376 * i386.md (shift to lea splitter): Use const_int_operand.
4378 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4380 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
4381 cppspec.c: Do not use 'legal' or 'illegal' in error messages
4384 * cppmain.c (cb_define, cb_undef): Don't generate any output
4385 if not done_initializing.
4386 * cpplex.c (maybe_paste_with_next): When the token after a ##
4387 is an omitted rest argument, only delete the token before it
4388 if that token is a comma. Do not warn about bogus token
4389 pastes for , ## rest_arg.
4392 * cpp.1: Regenerate.
4394 2000-08-02 Fred Fish <fnf@be.com>
4396 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
4397 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
4400 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
4401 Be directories to search path.
4403 Remove support for __declspec(dllimport) and __declspec(dllexport).
4404 This is leftover cruft from the earlier BeOS gcc port when BeOS
4405 used Microsoft's PE object file format.
4406 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
4407 * config/i386/t-beos (winnt.o): Remove Makefile frag.
4408 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
4409 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
4410 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4411 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
4412 (REDO_SECTION_INFO_P): Remove.
4413 (ASM_EXPORT_DECL): Remove.
4414 (ASM_DECLARE_FUNCTION_NAME): Remove.
4415 (ASM_DECLARE_OBJECT_NAME): Remove.
4416 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
4417 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
4418 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
4419 (STRIP_NAME_ENCODING): Remove.
4421 Remove support for obsolete version of BeOS that is no longer
4423 * configure.in (i*86-*-beospe*): Remove.
4424 * config/i386/beos-pe.h: Remove.
4426 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
4427 Mark Mitchell <mark@codesourcery.com>
4429 * Makefile.in (OBJS): Added dce.o.
4430 (ssa.o): Updated target to include ssa.h.
4432 (toplev.o): Likewise.
4433 (dce.o): Created target.
4434 * basic-block.h: Added comments.
4435 (INVALID_BLOCK): Added definition.
4436 (connect_infinite_loops_to_exit): Added declaration.
4437 Moved SSA declarations to ssa.h.
4438 * flow.c: Added inclusion of ssa.h.
4439 (struct depth_first_search_dsS, depth_first_search_ds):
4441 (compute_immediate_postdominators): Added definition.
4442 (connect_infinite_loops_to_exit): Likewise.
4443 (flow_dfs_compute_reverse_init): Likewise.
4444 (flow_dfs_compute_reverse_add_bb): Likewise.
4445 (flow_dfs_compute_reverse_execute): Likewise.
4446 (flow_dfs_compute_reverse_finish): Likewise.
4447 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
4448 (LABEL_P): Added definition.
4451 (BARRIER_P): Likewise.
4452 (JUMP_TABLE_DATA_P): Likewise.
4453 (INSN_DEAD_CODE_P): Likewise.
4454 * ssa.c: Replaced inclusions with ssa.h inclusion.
4455 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
4456 (rename_registers): Removed unnecessary variables.
4457 * ssa.h: Created by moving declarations from ssa.c and
4459 * timevar.def: Defined TV_DEAD_CODE_ELIM.
4460 * toplev.c: Added ssa.h inclusion.
4461 (dump_file_index): Added DFI_dce.
4462 (dump_file): Added "dce" entry.
4464 (f_options): Added dce entry.
4465 * invoke.texi: Document -fdce. Emphasize experimental status of
4469 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
4471 * cpperror.c (v_message): Split into _cpp_begin_message and
4472 v_message macro. All callers updated.
4473 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
4476 * cppfiles.c (cpp_syshdr_flags): New function.
4477 (read_include_file): Don't call cpp_output_tokens. Call
4479 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
4480 (cpp_reader_init): Don't initialize token_buffer. Call
4481 _cpp_init_internal_pragmas.
4482 (cpp_cleanup): Don't clear token_buffer.
4483 (cpp_start_read): Don't worry about output from -D processing.
4484 Don't call cpp_output_tokens.
4485 (cpp_finish): Don't dump macros here. Don't call
4487 * cppmacro.c (_cpp_dump_definition): Rename
4488 cpp_dump_definition. Write directly to a FILE *.
4489 (dump_funlike_macro): Delete.
4490 (dump_macro_args): New.
4492 * cpplex.c (TOKEN_LEN): Convert to inline function.
4493 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
4494 cpp_scan_line, _cpp_dump_list): Delete.
4495 (cpp_printf, cpp_output_list): New.
4496 (output_line_command): Don't worry about entering or leaving files.
4497 (cpp_scan_buffer): Just output each token as we hit it.
4498 (process_directive): Don't call cpp_output_tokens.
4499 (_cpp_glue_header_name): Don't use token_buffer.
4500 (output_token, dump_param_spelling): Write directly to a FILE *.
4502 * cpplib.c (pass_thru_directive, dump_macro_name,
4503 pragma_dispatch, do_pragma_gcc): Delete.
4504 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
4505 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
4507 (do_error, do_warning, pragma_dependency): Call
4508 _cpp_begin_message, then cpp_output_list.
4509 (cpp_register_pragma, cpp_register_pragma_space,
4510 _cpp_init_internal_pragmas): New.
4511 (do_pragma): Walk the pragmas table here.
4512 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
4513 do_pragma_dependency): Return void.
4514 (do_pragma_implementation): Moved to cppmain.c.
4516 * cpplib.h: Update prototypes.
4517 (struct cpp_reader): Remove printer, token_buffer,
4518 token_buffer_size, and limit. Add struct cb, and pragmas.
4519 (struct cpp_printer): Remove last_id and written.
4520 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
4521 CPP_ADJUST_WRITTEN): Delete.
4522 * cpphash.h: Update prototypes.
4523 (ufputs): New wrapper.
4525 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
4526 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
4527 (main): Set up callbacks. Register #pragma implementation.
4528 Dump macros from here.
4530 2000-08-01 Geoff Keating <geoffk@cygnus.com>
4532 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
4533 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
4534 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
4535 insns if they have a REG_MAYBE_DEAD note attached.
4536 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
4537 (rs6000_emit_load_toc_table): TOC loads may go dead.
4539 2000-08-01 Jim Wilson <wilson@cygnus.com>
4541 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
4542 type exists before using it. Use number of words as alignment
4544 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
4545 ia64_va_arg): Propagate ia64_function_args changes here.
4547 2000-08-01 Richard Henderson <rth@cygnus.com>
4549 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
4550 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
4552 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
4554 From Joern Rennecke:
4555 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
4556 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
4557 unless TARGET_SH3E is set.
4558 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
4560 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
4561 (ashlsi3_std): New pattern.
4562 (ashlsi3 expander): Use it for TARGET_SH3.
4563 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
4565 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
4567 * loop.c (canonicalize_condition): Use destination, not source to
4568 determine SET's mode.
4570 2000-07-31 Mark Mitchell <mark@codesourcery.com>
4572 * flow.c (clear_log_links): Fix typo.
4574 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
4576 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
4577 on targets which need more than one insn for a compare/cbranch
4580 2000-07-31 Jim Wilson <wilson@cygnus.com>
4582 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
4583 when computing offset.
4585 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
4587 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
4589 2000-07-31 Geoff Keating <geoffk@cygnus.com>
4591 * flow.c (clear_log_links): Nuke global_live_at_start and
4592 global_live_at_end data, since if the log_links stuff is invalid
4593 so is global_live_at_*.
4595 2000-07-31 Richard Henderson <rth@cygnus.com>
4597 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
4599 2000-07-31 Jakub Jelinek <jakub@redhat.com>
4601 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
4602 (_cpp_get_token): Don't macro expand a just pasted token if it
4603 was pasted at no_expand_level.
4605 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
4607 * cppmacro.c (find_param, count_params, save_expansion):
4608 Permit 'defined' as a macro parameter name.
4610 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
4612 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
4613 xcpp to cpp throughout.
4614 (native): Remove unnecessary dependency on cpp.
4616 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
4617 tradcpp to tradcpp0.
4618 (.i spec): Add missing output-file spec to cc1 command line.
4619 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
4621 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
4623 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
4624 (implicit_decl_warning): New function.
4625 (implicitly_declare): Use it.
4626 * c-typeck.c (build_external_ref): Use implicit_decl_warning
4627 to complain about implicit decls of builtins.
4629 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
4630 based on pedantic && flag_isoc99, if not already set.
4631 * c-tree.h: Declare mesg_implicit_function_declaration.
4632 Prototype implicit_decl_warning.
4634 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
4636 * Makefile.in (ssa.o): Updated header files in dependences.
4637 * basic-block.h: Added compute_immediate_postdominators declaration.
4638 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
4640 * flow.c (compute_immediate_dominators): Updated comment.
4641 (compute_immediate_postdominators): Added definition.
4642 * rtl.h (HARD_REGISTER_P): Added definition.
4643 * ssa.c: Include additional header files.
4644 (assert): Added definition.
4645 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
4646 include select hard registers.
4647 (ssa_rename_to_insert): Likewise.
4648 (ssa_rename_from_initialize): Likewise.
4649 (ssa_rename_from_lookup): Likewise.
4650 (original_register): Likewise.
4651 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
4652 include select hard reigsters.
4653 (ssa_rename_from_traverse): Likewise.
4654 (ssa_rename_from_free): Likewise.
4655 (ssa_rename_from_print): Likewise.
4656 (ssa_rename_from_print_1): Likewise.
4657 (ssa_rename_from_hash_function): Likewise.
4658 (ssa_rename_from_equal): Likewise.
4659 (ssa_rename_from_delete): Likewise.
4660 (simplify_to_immediate_dominators): Removed in favor of
4661 flow.c:compute_immediate_dominators.
4662 (find_evaluations_1): Modified to work with hard registers.
4663 (insert_phi_node): Likewise.
4664 (insert_phi_nodes): Likewise.
4665 (struct rename_set_data): Updated prev_reg comment.
4666 (create_delayed_rename): Modified to work with hard registers.
4667 (RENAME_NO_RTX): Updated comment.
4668 (apply_delayed_renames): Modified to work with hard registers.
4669 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
4670 (rename_block): Updated to use revised ssa_rename_to interface.
4671 (rename_registers): Updated to use revised ssa_rename_to and
4672 ssa_rename_from interface.
4673 (convert_to_ssa): Revised to use compute_immediate_dominators and
4674 deal with hard registers.
4675 (make_regs_equivalent_over_bad_edges): Modified to work with hard
4676 registers. Added check for illegal unification of hard register.
4677 (make_equivalent_phi_alternatives_equivalent): Modified to work
4678 with hard registers.
4679 (compute_conservative_reg_partition): Likewise.
4680 (coalesce_if_unconflicting): Modified to work with hard registers
4681 and check for conflicting hard registers.
4682 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
4684 (rename_equivalent_regs_in_insn): Modified to work with hard
4686 (record_canonical_element_1): Added definition.
4687 (check_hard_regs_in_partition): Added definition.
4688 (convert_from_ssa): Added data structure deallocation and check
4689 for illegal hard register unification.
4690 (conflict_hard_regs_p): Added definition.
4691 * toplev.c (rest_of_compilation): Added comment.
4693 2000-07-31 Anthony Green <green@redhat.com>
4695 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
4697 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
4699 * builtins.c (expand_builtin_apply): Don't defer pop during
4702 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4704 * calls.c (combine_pending_stack_adjustment_and_call): Only use
4705 preferred_unit_stack_boundary when it is > 1.
4707 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
4709 * c-common.c (init_function_format_info): Add C99 format functions
4712 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
4713 void' or 'register void' as being the special case of 'void' alone
4714 in a parameter list.
4716 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
4717 discarding qualifiers into a plain warning.
4719 2000-07-31 Kazu Hirata <kazu@hxi.com>
4721 * combine.c: Fix formatting.
4723 * h8300.md: Fix formatting.
4725 * local-alloc.c: Fix formatting.
4727 * h8300.c (get_shift_alg): Remove the variable alg.
4728 (emit_a_shift): Rearrange code to improve readability.
4730 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
4732 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
4733 HImode on all architectures and a combination of HImode and SImode
4734 on H8/300H and H8/S.
4736 * h8300.c (split_adds_subs): Rearrange code for conciseness.
4738 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
4740 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
4743 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4745 * recog.c (extract_insn): Set operand_mode according to
4746 operand if match_operand is VOIDmode.
4748 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4750 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
4752 2000-07-31 Geoff Keating <geoffk@cygnus.com>
4754 * c-parse.in (extdefs): Call ggc_collect between external
4757 2000-07-30 Michael Hayes <mhayes@cygnus.com>
4758 Richard Henderson <rth@cygnus.com>
4760 * Makefile.in (OBJS): Add doloop.o.
4761 * doloop.c: New file.
4763 * final.c (insn_current_reference_address): Return 0 before final.
4764 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
4765 * jump.c (any_uncondjump_p): Likewise.
4766 * loop.c (indirect_jump_in_function): Make static.
4767 (strength_reduce): Call doloop_optimize.
4768 (insert_bct, instrument_loop_bct): Remove.
4769 * loop.h (doloop_optimize): Prototype.
4770 * recog.c (split_all_insns): Split all INSN_P.
4771 * toplev.c (flag_branch_on_count_reg): Default on.
4773 * config/c4x/c4x.c (c4x_optimization_options): Don't set
4774 flag_branch_on_count_reg.
4775 * config/i386/i386.c (override_options): Likewise.
4776 * config/rs6000/rs6000.c (optimization_options): Likewise.
4778 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
4780 (dbra_ge): Remove, as well as all it's splitters.
4782 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
4785 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
4786 (ia64_register_move_cost): Declare.
4787 * config/ia64/ia64.c (ar_lc_reg_operand): New.
4788 (struct ia64_frame_info): Add ar_size.
4789 (ia64_compute_frame_size): Set it.
4790 (save_restore_insns): Save and restore ar.lc.
4791 (ia64_register_move_cost): New, moved from header file. Handle
4792 application registers.
4793 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
4794 (emit_insn_group_barriers): Special case doloop_end_internal.
4795 (ia64_epilogue_uses): Mark ar.lc live at end.
4796 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
4797 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
4798 (FIRST_PSEUDO_REGISTER): Make room.
4799 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
4800 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
4801 (REG_ALLOC_ORDER): Update.
4802 (HARD_REGNO_MODE_OK): Update.
4803 (REGISTER_NAMES): Update.
4804 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
4805 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
4806 (REGNO_REG_CLASS): Update.
4807 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
4808 (REGISTER_MOVE_COST): Move out of line.
4809 (PREDICATE_CODES): Update.
4810 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
4811 (addsi3_plus1_alt, adddi3_plus1_alt): New.
4812 (shladd_elim splitter): Allow constants in the predicate.
4813 (doloop_end, doloop_end_internal): New.
4815 2000-07-30 Richard Henderson <rth@cygnus.com>
4817 * genattrtab.c (struct insn_def): Add lineno member.
4818 (struct insn_ent): Likewise.
4819 (struct attr_desc): Likewise.
4820 (struct delay_desc): Likewise.
4821 (struct function_unit_op): Likewise.
4822 (struct function_unit): Likewise.
4823 (check_attr_value): Use message_with_line.
4824 (check_defs): Likewise.
4825 (expand_units): Likewise.
4826 (check_attr_test): Take a lineno argument.
4827 (gen_attr): Likewise.
4828 (gen_insn): Likewise.
4829 (gen_delay): Likewise.
4830 (gen_unit): Likewise.
4831 (main): Give it to them.
4832 (convert_set_attr_alternative): Take an insn_def argument
4833 instead of num_alt and insn_index.
4834 (convert_set_attr): Likewise.
4835 (write_test_expr): Protect INSN_ADDRESSES load
4836 with INSN_ADDRESSES_SET_P.
4838 2000-07-30 Richard Henderson <rth@cygnus.com>
4840 * flow.c (init_propagate_block_info): Use pc_set.
4842 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
4844 * i386.md (*lea_general_[123]) New insns and splits.
4845 (addsi3 to lea splitter): Handle other modes too.
4846 (shlsi3 to lea splitter): Likewise.
4847 (addhi_1_lea, shlhi_1_lea): New patterns.
4848 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
4850 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4852 * recog.c (general_operand, nonimmediate_operand): Accept
4853 any mode for VOIDmode CONSTANT_P operands.
4855 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
4857 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
4858 instead of replace_rtx.
4859 * recog.c (validate_replace_rtx_subexp): New function.
4860 * recog.h (validate_replace_rtx_subexp): Declare.
4862 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
4864 * combine.c (simplify_set, make_extraction, make_compound_operation
4865 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
4866 as force_to_mode argument.
4868 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4870 * combine.c (if_then_else_cond): Be sure that mode fits in
4873 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4875 * combine.c (record_promoted_value): Allow bitsize of mode
4876 to be equivalent to HOST_BITS_PER_WISE_INT.
4878 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
4880 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
4881 Do not call gen_mode_alignment when mode is BLKmode.
4883 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
4885 * loop.c (express_from_1): Fix call of simplify_gen_binary.
4887 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4889 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
4890 VOIDmode implies both operands to be VOIDmode.
4891 (simplify_ternary_operation): Compute properly the mode of comparison.
4892 * combine.c (combine_simplify_rtx): Likewise.
4894 2000-07-25 Michael Hayes <mph@paradise.net.nz>
4896 * basic-block.h (struct loops): New field rc_order.
4897 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
4898 (flow_loops_free): Free rc_order.
4899 (flow_depth_first_order_compute): New parameter rc_order.
4900 (flow_loops_find): Allocate rc_order and swap usage with
4903 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4904 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4906 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
4907 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
4908 (nodb_call, return_from_epilogue): Likewise.
4909 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
4910 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
4911 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
4912 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4913 (c4x_valid_type_attribute_p): Likewise.
4914 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
4915 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
4917 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4919 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
4920 and loadhi_big_constant if applicable.
4921 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
4922 and add new splitter.s
4924 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4926 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
4928 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4930 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
4932 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4934 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
4936 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4938 * config/c4x/libgcc.S (divqf3): Improve accuracy.
4940 2000-07-27 Mark Mitchell <mark@codesourcery.com>
4942 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
4943 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
4944 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
4945 (get_prev_bb_note): Likewise.
4946 (remove_scope_notes): Likewise.
4947 * flow.c (commit_one_edge_insertion): Likewise.
4948 (merge_blocks_nomove): Likewise.
4949 (verify_flow_info): Likewise.
4950 * gcse.c (insert_insn_end_bb): Likewise.
4951 * reg-stack.c (emit_swap_insn): Likewise.
4952 * ssa.c (first_insn_after_basic_block_note): New function.
4953 (insert_phi_node): Use it.
4954 (rename_block): Likewise.
4955 (eliminate_phi): Likewise.
4956 (make_regs_equivalent_over_bad_edges): Likewise.
4957 (make_equivalent_phi_alternatives_equivalent): Likewise.
4958 (for_each_successor_phi): Likewise.
4959 (convert_from_ssa): Modify phi-node deletion algorithm.
4961 2000-07-29 Andreas Jaeger <aj@suse.de>
4963 * configure.in (mips*-*-linux*): Use mips*el to check for little
4964 endian MIPS, add tmake_file.
4966 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
4967 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
4968 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
4970 2000-07-28 Richard Henderson <rth@cygnus.com>
4972 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
4973 Sign extend mode size before negating.
4975 2000-07-28 Richard Henderson <rth@cygnus.com>
4977 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
4979 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
4981 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
4982 (cse_insn): Likewise.
4983 (addr_affects_sp_p): Likewise.
4984 * expr.c (move_by_pieces): Likewise.
4985 (clear_by_pieces): Likewise.
4986 * gcse.c (oprs_unchanged_p): Likewise.
4987 * haifa-sched.c (sched_analyze_2): Likewise.
4988 * recog.c (offsettable_address_p): Likewise.
4989 * regclass.c (record_address_regs): Likewise.
4990 * reload.c (find_reusable_reload): Likewise.
4991 (push_reload): Likewise.
4992 (operands_match_p): Likewise.
4993 (decompose): Likewise.
4994 (find_reloads_address_1): Likewise.
4995 (find_inc_amount): Likewise.
4996 * reload1.c (elimination_effects): Likewise.
4997 * resource.c (mark_set_resources): Likewise.
4998 * flow.c (attempt_auto_inc): New function; mostly broken out
5000 (find_auto_inc): Split into two functions and enhanced to
5001 generate POST_MODIFY.
5002 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
5003 * rtl.h (count_all_occurrences): Declare.
5004 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
5006 * rtlanal.c (count_all_occurrences): New function.
5007 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
5008 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
5010 * config/ia64/ia64-protos.h (destination_operand): Declare.
5011 * config/ia64/ia64.c (destination_operand): New function.
5012 (ia64_print_operand): Handle POST_MODIFY.
5013 (rtx_needs_barrier): Likewise.
5014 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
5015 (HAVE_POST_MODIFY_REG): Define to 1.
5016 (MAX_REGS_PER_ADDRESS): Change to 2.
5017 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
5018 (LEGITIMATE_ADDRESS_REG): New helper macro.
5019 (LEGITIMATE_ADDRESS_DISP): Likewise.
5020 (PREDICATE_CODES): Add entry for destination_operand.
5021 * config/ia64/ia64.md (all mov patterns): Use destination_operand
5022 predicate for operand 0.
5024 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5026 * dwarf2out.c: Indent #error directive.
5028 * gbl-ctors.h: Fix typo in comment.
5029 (__do_global_ctors): Prototype.
5031 * gcse.c (record_one_set, pre_delete): Remove unused variables.
5033 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
5034 (print_operand): Initialize variable `t'.
5036 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
5038 * config/arm/arm.md ("call_value"): removed constraints.
5039 Constraints are ignored in expanders.
5040 (*call_value_reg): split =rf into various constraints.
5041 (*call_value_mem): same
5042 (*call_value_symbol): same
5043 (*sibcall_value_insn): same
5045 2000-07-28 Philipp Thomas <pthomas@suse.de>
5047 * install.texi (--enable-nls): Change the description of the NLS
5048 related configure options to match the current state.
5049 (--with-included-gettext): Likewise.
5050 (--enable-maintainer-mode): New description added.
5051 * extend.texi (-fstrict-prototype): Add missing '.'.
5053 2000-07-27 Jim Wilson <wilson@cygnus.com>
5055 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
5056 DECL_INITIAL (decl) == NULL_TREE.
5058 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
5060 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
5061 on insn-attr.h with it.
5062 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
5063 * insn-addr.h: New header.
5064 (insn_addresses_): Renamed from insn_addresses.
5065 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
5066 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
5067 INSN_ADDRESSES_NEW): New macros.
5068 * genattrtab.c (write_test_expr): Use new macros.
5069 * final.c (insn_addresses, init_insn_lengths): Likewise.
5070 (align_fuzz, shorten_branches): Likewise.
5071 (final): Likewise. Do not reject new insns if their addresses
5072 have been added to INSN_ADDRESSES.
5073 * config/arm/arm.c, config/avr/avr.c: Use new macros.
5074 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
5075 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
5076 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
5077 * config/sh/sh.c: Likewise.
5078 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
5080 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
5082 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
5084 * gcc.c (struct prefix_list): Add member priority.
5085 (enum path_prefix_priority): Declare.
5086 (add_prefix): Replace ``first'' with ``priority''. Append new
5087 entry but keep list in priority order.
5088 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
5089 PREFIX_PRIORITY_LAST to add_prefix.
5090 (process_command): Move include kludge - foo/stageN - to before
5093 2000-07-27 Jason Merrill <jason@redhat.com>
5095 * dwarf2out.c (gen_typedef_die): Abort if we get identical
5096 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
5098 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
5100 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
5101 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
5103 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
5105 * c-decl.c (finish_function): Don't treat 'main' specially unless
5106 flag_hosted. In C99 mode, return 0 from 'main' unless
5107 DEFAULT_MAIN_RETURN is otherwise defined.
5109 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
5110 parameters defaulting to int in an old-style function definition.
5112 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5114 * c-parse.in (string): For -Wtraditional, warn about string
5115 concatenation only once per line.
5117 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
5119 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
5120 for HI-UX/WE2 systems.
5122 2000-07-24 Bruce Korb <bkorb@gnu.org>
5124 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
5125 defining the __xxx_TYPE__ macros.
5126 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
5127 * fixincl/fixlib.h: don't need to include "tm.h" anymore
5128 * fixincl/inclhack.def(type_map): now obsolete
5130 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
5132 * cpp.texi: Append a trailing full-stop to xrefs where needed.
5134 2000-07-26 Dave Pitts <dpitts@cozx.com>
5136 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
5138 (mvs_hash_alias): New function.
5139 (mvs_add_alias): Change argument spacing.
5140 (mvs_need_alias): Change aliasing criteria. Added documentation.
5141 (mvs_get_alias): Change to use hashed name. The hashed name prevents
5142 CSECT name collisions.
5143 (mvs_check_alias): Likewise.
5144 (handle_pragma): Change documentation.
5145 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
5146 mode from SImode to DImode.
5147 (iorhi3): Changed LTORG size for insn.
5149 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
5151 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
5152 mem if the address is a mode_dependent_address_p.
5154 2000-07-26 Kazu Hirata <kazu@hxi.com>
5156 * h8300.c (print_operand): Print ":8" when the 'R' operand is
5157 suitable for 8-bit absolute.
5158 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
5159 (OK_FOR_U): Add a case for the 8-bit constant address on the
5162 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
5164 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
5165 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
5166 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
5167 lack of implemented alignment.
5169 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
5171 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
5172 cross-compiling between 64-bit and 32-bit machines.
5174 2000-07-27 Richard Henderson <rth@cygnus.com>
5176 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
5177 (movhicc_astep, movhi_internal_astep): New.
5178 (movsicc_astep, movsi_internal_astep): New.
5179 (movdicc_astep, movdi_internal_astep): New.
5180 (movsfcc_astep, movsf_internal_astep): New.
5181 (movdfcc_astep, movdf_internal_astep): New.
5182 (movxfcc_astep, movxf_internal_astep): New.
5183 (cmovdi_internal_astep, cmovsi_internal_astep): New.
5184 Unify the cmov[ds]i splitters.
5186 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
5188 * real.c (asctoeg): Rename `error' label to unexpected_char_error
5190 2000-07-26 Nick Clifton <nickc@cygnus.com>
5192 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
5193 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
5195 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
5196 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
5198 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
5200 * c-decl.c (finish_enum): Convert enumerations that fit in an
5202 (build_enumerator): In pedantic mode, cast to `int' those that
5205 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
5207 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
5209 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5211 * sh.md (cmpgtdi_t): Must be split.
5212 (cmpgtdi_t+1): New splitter.
5214 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5216 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
5217 warnings for indented directives even if we are skipping.
5219 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
5221 * invoke.texi (strict-prototypes): Remove.
5222 * extend.texi (Deprecated Features): Add strict-prototypes.
5223 (Backwards Compatibility): New node.
5225 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5227 * config/i386/i386.md (andsi_1+1): Allow HImode.
5228 (andsi_1+2): Require q_regs_operand.
5230 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5232 * config/i386/i386.md (call_pop): Check operands[0],
5233 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5235 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5236 (call_value): Likewise.
5238 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5240 * toplev.c (pipe_closed): Delete.
5241 (crash_signal): New. Generate ICE for a fatal signal.
5242 (float_signal): Call crash_signal outside a float-handler
5244 (main): Install crash_signal as handler for core-dumping signals.
5246 2000-07-25 David Edelsohn <edelsohn@gnu.org>
5248 * rs6000.c (print_operand, case 'T'): New case.
5250 * rs6000.md (call_indirect_aix32): Convert to expander of
5251 scheduled instructions.
5252 (call_indirect_aix64): Likewise.
5253 (call_value_indirect_aix{32,64}): Likewise.
5254 (call, call_value): Invoke expanders for AIX. Fall through to
5256 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
5257 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
5258 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
5259 only "g" constraint.
5260 (call_nonlocal_aix64): Likewise.
5261 (call_value_nonlocal_aix{32,64}): Likewise.
5262 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
5264 (call_value_nonlocal_sysv): New pattern.
5265 (indirect_jump{si,di}): Use new 'T' modifier.
5266 (tablejump{si,di} matchers): Likewise.
5267 (return_internal_{si,di}): Likewise.
5268 (return_eh_{si,di}): Likewise.
5270 2000-07-24 Richard Henderson <rth@cygnus.com>
5272 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
5273 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
5274 * config/ia64/ia64.md (movdi_internal): Use it.
5276 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
5278 * cppexp.c: Warn about unary + if -Wtraditional.
5279 * cpplex.c (lex_line): Always set BOL on the first token of a line.
5281 2000-07-24 Michael Meissner <meissner@redhat.com>
5283 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
5286 2000-07-24 Nick Clifton <nickc@cygnus.com>
5288 * config/arm/arm.c (emit_multi_reg_push): Generate a
5289 REG_FRAME_RELEATED_NOTE that is compatable with the code in
5290 dwarf2out_debug_frame_expr.
5292 2000-07-24 Jason Merrill <jason@redhat.com>
5294 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
5295 UNALIGNED_INT_ASM_OP.
5296 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
5297 a location expression.
5298 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
5299 assume indirect access if we're saving the CFA address exactly.
5301 * Makefile.in (bootstrap): Move -BstageN/ to the end.
5303 2000-07-24 Jakub Jelinek <jakub@redhat.com>
5305 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
5308 2000-07-24 Michael Meissner <meissner@redhat.com>
5310 * invoke.texi (D30V Options): Add d30v options.
5312 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
5314 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
5315 needed by our gcse pass anymore.
5316 (free_pre_mem): Corresponding changes.
5317 (compute_pre_data): Do not call compute_transpout anymore.
5319 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
5320 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
5323 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
5324 (compute_pre_data): Do it here instead.
5326 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
5328 (pre_delete): Corresponding changes.
5330 2000-07-23 Mark Mitchell <mark@codesourcery.com>
5332 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
5333 to figure out whether or not a variable has already been emitted.
5335 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
5337 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
5338 instead of gen_call.
5340 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
5342 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
5344 2000-07-23 Kazu Hirata <kazu@hxi.com>
5346 * h8300.c: Fix formatting.
5348 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
5350 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
5351 for `long' switch expression into a plain warning.
5353 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
5354 (yylex): Don't pedwarn for "inline" in C99 mode.
5356 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
5358 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
5359 ggc_alloc): Likewise.
5360 * bb-reorder.c (dump_scope_forest_1): Likewise.
5362 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
5364 * reload.c (find_reloads_toplev): Add new parameter
5366 (find_reloads): Add new parameter to find_reloads_toplev calls.
5368 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
5370 * collect2.c (main): Typo fixed.
5371 * diagnostic.c: Typo fixed.
5372 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
5373 * eh-common.h: Typo fixed.
5374 * emit-rtl.c (start_sequence): Typo fixed.
5375 * flow.c (find_label_refs): Typo fixed.
5376 (calculate_global_regs_live): Typo fixed.
5377 (mark_regno_cond_dead): Typo fixed.
5378 (create_edge_list): Typos fixed.
5379 (verify_edge_list): Typo fixed.
5380 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
5381 * loop.c (strength_reduce): Typo in function name fixed.
5382 * rtl.h: Added comments. Typo in function name fixed.
5383 * rtlanal.c: Typo in function name fixed.
5384 (insn_dependant_p): Rename to ...
5385 (insn_dependent_p): ... this.
5386 (computed_jumo_p): Typo fixed.
5388 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5390 * system.h (__FUNCTION__): Wrap definition in #ifndef.
5392 2000-07-21 David Edelsohn <edelsohn@gnu.org>
5394 * rs6000.h (SIZE_TYPE): Define.
5396 2000-07-21 Mark Mitchell <mark@codesourcery.com>
5398 * ssa.c (rename_insn_1): Don't rename registers that are
5401 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
5403 * diagnostic.c (trim_filename, fancy_abort): Moved here from
5405 (fatal_function, set_fatal_function): Removed.
5406 (fatal): Don't prepare for or call the fatal_function.
5407 (diagnostic_lock, error_recursion): New.
5408 (diagnostic_for_decl, report_diagnostic): Guard against
5409 re-entering the error reporting routines.
5410 (fancy_abort): Assume function is not NULL.
5412 * errors.c (fancy_abort): New. Assume function is not NULL.
5413 * tradcpp.c (fancy_abort): Assume function is not NULL.
5415 * system.h: Provide default definition of __FUNCTION__.
5416 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
5417 Always use __FUNCTION__ in definition of abort.
5419 * varray.h: Likewise.
5420 * toplev.h: Likewise. Don't prototype set_fatal_function.
5422 2000-07-20 Geoff Keating <geoffk@cygnus.com>
5424 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
5426 * glimits.h: Don't do #if defined for ARCH_PPC.
5428 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
5429 constants of size no larger than a pointer should go in the TOC.
5430 Add 'MODE' parameter.
5431 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
5432 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
5433 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
5434 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
5435 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
5436 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
5437 (rs6000_legitimize_address): Likewise.
5438 (rs6000_emit_move): Likewise.
5439 (rs6000_select_rtx_section): Likewise.
5440 (output_toc): Deal properly with outputting small constants like
5441 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
5442 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
5443 MODE parameter. Put small constants in the TOC.
5445 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
5447 (rs6000_emit_move): When reload calls us with an illegitimate
5448 address, exit early. Move the change_address calls to one place
5449 at the end of the routine. Merge the SImode and DImode expanders.
5450 When called by reload to put an integer into a FP register, force
5453 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
5455 (rs6000_hash_constant): Hash mode too.
5456 (toc_hash_function): Allow for key_mode.
5457 (toc_hash_eq): Structures are different if key_mode differs.
5458 (output_toc): Add 'mode' parameter. Save key_mode.
5459 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
5460 Pass 'mode' parameter.
5461 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
5463 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
5464 for vtable references.
5466 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
5467 choice, don't put integer values in FP regs.
5469 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
5471 * flow.c (verify_flow_info): Revamp code to verify that the
5472 head and end of each basic block are in the insn chain.
5474 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
5476 * gcse.c (record_one_set): Prepend instead of append onto
5477 reg_set_table, making it O(n) instead O(n^2).
5478 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
5479 Use a queue instead of a stack as worklist.
5481 2000-07-20 Kazu Hirata <kazu@hxi.com>
5483 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
5484 * h8300.h (OK_FOR_T): New.
5485 (EXTRA_CONSTRAINT): Support OK_FOR_T.
5486 * h8300.md: Use inc/dec.[wl] for increment/decrement
5487 by 1 and 2 in HI and SI modes.
5489 2000-07-20 Jim Wilson <wilson@cygnus.com>
5491 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
5492 larger than 14 bits.
5494 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
5496 * cppmacro.c (CAN_PASTE_AFTER): New macro.
5497 (count_params): Don't set GNU_REST_ARGS on anything.
5498 (save_expansion): Set PASTE_LEFT only on tokens for which
5499 CAN_PASTE_AFTER is true, or which are named operators.
5501 * cpplex.c (parse_args): Distinguish between a rest argument
5502 given one empty argument, and a rest argument given zero arguments.
5503 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
5504 deletion of previous token based on that.
5505 (get_raw_token): Flatten some control structure.
5507 * cpplib.h (CPP_LAST_EQ): Correct.
5508 (VOID_REST): New token flag.
5509 (GNU_REST_ARGS): Delete.
5511 * tradcpp.c (main): Don't munge -D options.
5512 (make_definition): Bring -D handling in line with cpplib.
5513 (do_define): Strip all leading whitespace from macro definitions.
5515 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
5517 * Makefile.in (tradcpp): Depend on intl.o and version.o.
5519 2000-07-20 Bruce Korb <bkorb@gnu.org>
5521 * fixincl/check.tpl: strip the platform specific types before testing
5522 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
5523 * fixincl/fixincl.tpl: use platform specific types
5524 * fixincl/fixlib.h: include the platform specific types
5525 * fixincl/inclhack.def(gnu_types): don't supply the types
5526 * fixincl/fixincl.x: regen
5528 2000-07-19 Jim Wilson <wilson@cygnus.com>
5530 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
5533 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
5535 * tradcpp.c (rescan): Do not recognize directives when the #
5538 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
5540 Implement C++ named operators.
5542 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
5543 of operators allowed in #if and having an _EQ variant. Add
5544 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
5545 (cpp_token flags): Add NAMED_OP.
5546 (enum node_type): Add T_OPERATOR.
5547 (struct cpp_hashnode): Add code slot to value union.
5548 * cpphash.h (spec_nodes): Remove n_defined.
5550 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
5551 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
5552 (is_macro_disabled): Tweak error messages.
5554 * cpplib.c (get_define_node): Disallow all named operators as
5555 macro names. Tweak error messages.
5556 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
5558 * cppinit.c (builtin_array): Add entries for the named operators.
5559 * cppexp.c (lex): Check for CPP_DEFINED token.
5560 (priority table): Add entries for CPP_MIN and CPP_MAX.
5561 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
5563 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
5565 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
5566 larger than the array of cuids.
5567 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
5570 2000-07-19 Bruce Korb <bkorb@gnu.org>
5572 * fixinc/fixincl.c: Convert to using a table of environment variables
5573 and activate the auto-edit marker on the fixed output files.
5574 * fixinc/fixlib.h: Define the environment table
5575 * fixinc/fixincl.sh: export the ${INPUT} dir
5576 * fixinc/check.tpl: likewise
5578 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
5580 * gcc.c (.h spec): Fix typo.
5582 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
5584 * Makefile.in: Fix tradcif.c path.
5586 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
5588 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
5591 * cpphash.h (TOKEN_NAME): New macro.
5592 (_cpp_spell_operator): Deleted.
5593 (token_spellings): Now _cpp_token_spellings.
5595 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
5596 * cpplex.c: Use OP and TK macros when expanding the
5597 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
5598 store the stringification of the enumeration name (CPP_CHAR,
5599 etc.) in the name slot of token_spellings.
5600 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
5601 token_spellings directly.
5602 * cpplib.c: Use TOKEN_SPELL.
5604 * cpplex.c (_cpp_push_token): If the token being pushed back
5605 is the previous token in this context, just subtract one from
5607 * cppmacro.c (save_expansion): Clear aux field when storing a
5610 2000-07-18 Jakub Jelinek <jakub@redhat.com>
5612 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
5613 buffer, provided it is not NULL.
5615 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
5617 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
5618 case of invalid volatile re-declaration.
5620 2000-07-18 Jakub Jelinek <jakub@redhat.com>
5622 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
5623 (expand_call): Adjust caller.
5625 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
5627 * diagnostic.h (report_diagnostic): Change prototype.
5629 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
5630 diagnostic_for_decl): Change prototype.
5631 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
5632 error, warning, error_with_file_and_line,
5633 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
5634 Adjust call to report_diagnostic, diagnostic_for_decl.
5635 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
5636 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
5638 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
5639 varaible argument list.
5641 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
5643 * cpphash.c: Don't include hashtab.h. Most macro-handling code
5644 moved to cppmacro.c.
5645 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
5646 dump_hash_helper): Delete.
5647 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
5648 cpp_forall_identifiers): New. Implement specialized version of
5649 Vlad's expandable hash table.
5650 (cpp_lookup): Use new functions.
5651 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
5653 * cppmacro.c: New file.
5654 * cppinit.c (dump_macros_helper): New.
5655 (cpp_finish): Iterate over the identifier table directly.
5656 * cpplex.c (parse_name): Calculate the hash of the identifier
5657 while we scan it. Use _cpp_lookup_with_hash when we can.
5659 * cpphash.h: Update prototypes.
5660 (xcnewvec, HASHSTEP): New helper macros.
5661 * cpplib.h: Update prototypes.
5662 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
5663 (cppmacro.o): New rule.
5664 (cpphash.o): Update deps.
5666 * cppmain.c: Do not set pfile->printer if no_output is on.
5668 2000-07-15 Neil Booth <neilb@earthling.net>
5670 * cpplib.c: Change all directive-handler functions to return
5672 * cpphash.h: Update typedefs.
5674 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
5676 * configure: Regenerate.
5678 * extend.texi (Extended Asm): Mention that a memory clobber
5679 does not count as a side-effect.
5681 * unroll.c (copy_loop_body): Fix one instance of using host
5682 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
5685 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
5687 2000-07-17 Richard Henderson <rth@cygnus.com>
5689 * config/ia64/ia64.md (movdi): Split out load address code.
5690 New post-reload splitter for symbolic operands.
5691 (movdi_internal): Abort if we didn't split symbolic operands
5692 when we should have.
5693 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
5694 (ia64_reorg): Split insns when not optimizing.
5695 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
5697 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
5699 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
5700 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
5702 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
5704 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
5706 2000-07-17 Jason Merrill <jason@redhat.com>
5708 * Makefile.in (clean): Remove libgcc directory.
5710 * configure.in (-Wno-long-long check): Use higher-level macros.
5712 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
5714 * simplify-rtx.c (simplify_binary_operation): Recognize
5715 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
5716 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
5717 a CONST_INT, it will always be zero.
5719 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
5721 * loop.c (check_dbra_loop) : Return if more than one condition is
5722 present to control the loop.
5724 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
5726 * mips.c (mips_expand_prologue): Don't calculate the last argument
5727 register unless we need it. When we are calculating this, make
5728 sure FUNCTION_ARG is giving us a REG.
5730 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5732 * flow.c (libcall_dead_p): Use single_set to verify the insn
5733 has only one set and get for analysis.
5734 (propagate_one_insn): Don't pass the PATTERN of the insn.
5736 2000-07-17 Mark Klein <mklein@dis.com>
5738 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
5740 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5742 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
5743 * configure.in (TARGET_GETGROUPS_T): Evaluate.
5744 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
5745 of second argument of getgroups.
5746 * configure, config.in: Rebuilt.
5748 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
5750 * simplify-rtx.c (simplify_relational_operation): Two signed
5751 values with equal high words are less/greater than each other if
5752 their low words are less/greater when considered as unsigned.
5754 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
5756 * configure.in (vax-*-openbsd): Change to new style configuration,
5757 add collect2/float_format information.
5758 * configure: Rebuilt.
5759 * config/vax/openbsd1.h: New.
5760 * config/vax/openbsd.h: New.
5761 * config/vax/t-openbsd: New.
5763 2000-07-17 Chip Salzenberg <chip@valinux.com>
5765 * c-common.c (shorten_compare): Quiet warnings about unsigned
5766 comparisons with zero when they occur in a system header.
5768 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
5770 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
5771 update to describe current practice.
5773 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
5775 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
5776 references to C9X. Change references to -fstd and -flang-isoc9x
5779 * c-common.c (scan_char_table): Allow "z" length modifiers on
5781 (check_format_info): Use TYPE_DOMAIN on the type matched against
5782 for "z" formats, to retrieve the language size_t rather than the
5785 * c-common.c (check_format_info): Do not make a pedantic objection
5786 to the 'L' length modifier if used with a floating point type
5789 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
5790 constants in C99 mode.
5792 2000-07-17 Kazu Hirata <kazu@hxi.com>
5794 * h8300.md: Fix the format of mac.
5795 (movsi_h8300hs): Output a tab after stmac instead of a space.
5797 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
5798 profitable adds/subs sequences.
5800 * fold-const.c: Fix comment typos.
5802 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
5804 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
5806 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5808 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
5810 2000-07-16 Neil Booth <NeilB@earthling.net>
5812 * cpplex.c: Update comments.
5813 * README.Portability: Small update.
5815 2000-07-16 Neil Booth <NeilB@earthling.net>
5817 * README.Portability: Small update.
5819 2000-07-15 Richard Henderson <rth@cygnus.com>
5821 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
5822 * config/ia64/ia64.c (ia64_move_ok): New function.
5823 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
5824 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
5826 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
5828 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
5829 immediately following a paste operator.
5830 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
5831 (cpp_reader_init): Call it, if HOST_EBCDIC.
5832 (cpp_handle_options): Do not sort option list here.
5833 (handle_option): Rename to cpp_handle_option and export.
5834 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
5835 _cpp_get_token directly.
5836 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
5837 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
5838 * cpplib.h: Prototype cpp_handle_option. Update prototype of
5841 2000-07-15 Richard Henderson <rth@cygnus.com>
5843 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
5844 cast around an expression. Tidy other unsigned tests.
5846 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
5848 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
5849 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
5850 (v_message_with_decl): Rename to ...
5851 (format_with_decl): ... this. Tweak
5852 (diagnostic_for_decl): New function.
5853 (fatal_io_error): Use verbatim in lieu of notice.
5854 (announce_function): Use verbatim.
5855 (default_print_error_function): Likewise.
5856 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
5859 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5861 * mips.c (function_arg_pass_by_reference): Don't do automatic
5862 aggregate initialization.
5863 (machine_dependent_reorg): Initialize variable `mode'.
5865 * mips.md (absdi2): Change variable `regno1' to unsigned int.
5866 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
5867 conflicts with sys/param.h macro of the same name.
5868 (reload_outdi): Likewise.
5870 2000-07-15 Michael Meissner <meissner@redhat.com>
5872 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
5873 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
5874 create a new node instead.
5876 2000-07-15 Neil Booth <NeilB@earthling.net>
5878 * README.Portability: Correct example about calling a function
5879 through a pointer to function. Format wide paragraphs.
5881 2000-07-15 Michael Meissner <meissner@redhat.com>
5883 * README.Portability: Update integer suffixes and function
5886 2000-07-15 Neil Booth <NeilB@earthling.net>
5888 * README.Portability: Small update.
5890 2000-07-15 Neil Booth <NeilB@earthling.net>
5892 * README.Portability: New file.
5894 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
5896 * INSTALL: Give special instructions for building GCC on Irix 6.
5897 * config/mips/x-iris6 (CC): Don't set it.
5900 2000-07-14 Jason Merrill <jason@redhat.com>
5902 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
5903 register in the stack and later in another register, use the new
5906 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
5908 * config/mips/mips.md: (absdi2): Handle sign_extend for
5911 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
5913 * cpplib.c (do_pragma_dependency): Tidy warning messages.
5915 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
5917 * .cvsignore: Correct typo.
5919 2000-07-13 Mark Mitchell <mark@codesourcery.com>
5921 * .cvsignore: Add generated YACC files.
5922 * objc/.cvsignore: New file.
5924 2000-07-14 Neil Booth <NeilB@earthling.net>
5926 * cpplex.c (adjust_column): New funcion.
5927 (skip_whitespace): Use it.
5928 (skip_block_comment): Use it, and warn about /*/* with
5931 2000-07-14 Neil Booth <NeilB@earthling.net>
5933 * cpphash.c (struct macro_info): Add new members.
5934 (_cpp_free_definition): Delete the macro directly.
5935 (count_params): Return void, with first token of
5936 expansion in struct macro_info on success.
5937 (parse_define): Return int. Hoist syntax checking from
5938 save_macro_expansion. Leave call to save_expansion to
5939 _cpp_create_definition.
5940 (alloc_macro): Needs just 2 arguments.
5941 (free_macro): Delete.
5942 (save_expansion): Don't perform syntax check.
5943 (_cpp_create_definition): Call save_expansion.
5945 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5947 * genrecog.c (write_header): Split long string.
5949 * cpphash.c (macro_info): Don't use the `signed' keyword.
5951 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
5953 2000-07-13 Jakub Jelinek <jakub@redhat.com>
5955 * calls.c (stored_args_map): New variable.
5956 (check_sibcall_argument_overlap_1): New.
5957 (check_sibcall_argument_overlap): New.
5958 (expand_call): Initialize stored_args_map.
5959 Call check_sibcall_argument_overlap.
5961 2000-07-13 Bruce Korb <bkorb@gnu.org>
5963 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
5964 (emit_gnu_type): utility procedure for gnu_type_fix
5965 (gnu_type_fix): implement various pre-processor guards around
5966 standard types so these types can be defined over and over
5967 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
5968 types alluded to above will have GNU-compliant base types
5969 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
5970 * fixinc/inclhack.def: add test_text entries and utilize the new
5971 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
5972 * fixinc/fixincl.x: regenerate
5974 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5976 * diagnostic.c (vline_wrapper_message_with_location,
5977 v_message_with_file_and_line, v_error_with_file_and_file,
5978 v_error_for_asm, v_warning_for_asm, vfatal,
5979 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
5980 vsorry, verror, vwarning, vpedwarn): Remove.
5981 (diagnostic_for_asm): New function.
5982 (pedwarn, error, warning, pedwarn_with_file_and_line,
5983 error_with_file_and_line, warning_with_file_and_line, sorry,
5984 error_for_asm, warning_for_asm, fatal): Reimplement.
5985 (finish_diagnostic): Clear diagnostic info as well.
5987 2000-07-13 Neil Booth <NeilB@earthling.net>
5989 * c-common.h (flag_digraphs): New.
5990 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
5991 * c-lex.c (yylex): Use flag_digraphs to decide whether to
5994 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
5996 * gcc.c (do_spec_1): Add new %B operator.
5997 (set_input): Prepare for %B.
5999 (link_command_spec): Move up with the other tm.h-
6000 overrideable specs. Factor out the portion conditional on
6001 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
6002 (struct compiler): Just have a single spec string. All users
6004 (default_compilers): Remove unnecessary braces.
6005 (static_specs): Update.
6007 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
6009 (C and assembly specs): Use the new named specs, as appropriate.
6011 * objc/lang-specs.h: Use the new named specs.
6012 Remove unnecessary braces.
6014 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6016 * gcc.c (execute): If a subprocess gets a fatal signal, report
6017 strsignal() of the signal number, and ask for a bug report.
6018 Do not do this for SIGPIPE if there's already been an error.
6020 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
6023 * tradcif.c: Remove.
6025 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6027 * final.c (profile_function): Do not emit profile counters in
6028 the data section, if NO_PROFILE_COUNTERS is defined.
6029 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
6032 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
6033 (FUNCTION_PROFILER): Just emit a call to mcount.
6035 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6037 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
6039 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
6040 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
6041 traditional, lang_chill, or lang_fortran.
6043 * cppfiles.c: #undef strcmp to suppress warning about macros
6044 used without arguments.
6045 (_cpp_execute_include): Use f, not fname, in "No include path"
6047 (_cpp_pop_file_buffer): New function.
6048 * cpplib.c: Don't include <sys/mman.h>.
6049 (cpp_push_buffer): Set line_base and lineno in new buffer.
6050 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
6052 * cpplex.c: Move all prototypes and structure declarations to the
6053 top of the file. Properly parenthesise some macro arguments.
6054 (cpp_scan_line): New function.
6055 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
6056 don't need to walk up the stack counting.
6058 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6060 * c-common.c (combine_strings): Emit a pedantic warning when a
6061 string length is greater than the minimum ANSI C is required
6064 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
6066 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
6067 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
6069 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6071 * c-decl.c (define_label): Warn about identifier conflicts with
6072 labels in traditional C.
6074 * c-parse.in (unop +): Warn about the unary plus operator for
6077 * c-typeck.c (store_init_value): Warn about automatic aggregate
6078 initialization for traditional C.
6080 * invoke.texi (-Wtraditional): Document new warnings.
6082 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6084 * Makefile.in (c-errors.o): Fix thinko in dependency.
6086 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6088 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
6089 -traditional, -ftraditional, or -traditional-cpp was given.
6090 Do not pass -traditional to the preprocessor.
6091 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
6092 preprocessor does it automatically.
6093 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
6095 * ch/lang-specs.h: Always use tradcpp. Do not pass
6096 -traditional, -trigraphs, or -pedantic to the preprocessor.
6097 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
6100 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6102 * cppexp.c (LOGICAL): Delete macro.
6103 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
6106 * cpphash.c (HASHSIZE): Increase to 4096.
6107 (struct hashdummy): Add hash field.
6108 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
6109 the string values using memcmp.
6110 (cpp_lookup): Set dummy.hash.
6112 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
6114 * configure.in (m88k-openbsd): Express configuration using new fragment
6116 * configure: Rebuilt.
6117 * m88k/aout-dbx.h: New.
6118 * m88k/openbsd.h: New.
6119 * m88k/xm-openbsd.h: New.
6121 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6123 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
6125 2000-07-12 Richard Henderson <rth@cygnus.com>
6127 * reload.c (push_secondary_reload): Make sure to add the new
6128 reload at the end, after acquiring secondary memory.
6130 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6132 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
6134 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
6135 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
6137 * c-parse.in (stmt): Delete unused variables.
6139 * convert.c (convert_to_vector): Likewise.
6141 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
6143 * tree.c (finish_vector_type): Prototype.
6145 2000-07-12 Bruce Korb <bkorb@gnu.org>
6147 * fixinc/fixfixes.c: use xmalloc
6148 * fixinc/fixincl.c(initialize): set program name for xmalloc
6149 * fixinc/fixlib.c(must_malloc): obsolete
6150 (is_cxx_header): no longer used - disabled
6151 (skip_quote): inserted and disabled for future use
6152 * fixinc/fixlib.h: reflects above
6153 * fixinc/fixtests.c: removed dinkleberries
6155 2000-07-12 Neil Booth <NeilB@earthling.net>
6157 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
6158 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
6160 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
6161 struct toklist_dummy): New.
6162 (cpp_free_definition): Free macros with free_macro.
6163 (count_params): Don't save paramter spellings. Save macro
6164 information in a struct macro_info.
6165 (parse_define): Don't allocate a token list.
6166 (save_expansion): Allocate the macro's token list, and
6167 save parameter spellings if necessary. Use TOKEN_SPELL.
6168 (cpp_create_definition): Make list const.
6170 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6172 * c-typeck.c (pedwarn_c99): Move to
6173 * c-errors.c: ... Here.
6174 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
6175 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
6176 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
6177 (c-errors.o): List dependency.
6179 2000-07-12 Mark Mitchell <mark@codesourcery.com>
6181 * c-parse.c: Remove.
6182 * c-parse.h: Likewise.
6183 * c-parse.y: Likewise.
6184 * objc/objc-parse.c: Likewise.
6185 * objc/objc-pasre.y: Likewise.
6187 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
6189 * gcc.texi: Fix minor typos
6190 * extend.texi: Fix minor typos
6192 2000-07-11 Marc Espie <espie@openbsd.org>
6194 * collect2.c (main): Recognize .lo as object files.
6196 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6198 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
6201 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
6202 with MAP_ANONYMOUS and MAP_ANON.
6203 * configure, config.in: Rebuilt.
6205 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6207 * diagnostic.c (save_output_state): Remove.
6208 (restore_output_state): Likewise.
6209 (clear_text_info): New function.
6210 (clear_diagnostic_info): Likewise.
6211 (output_text_length, is_starting_newline, output_prefix,
6212 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
6213 prefixing_policy, output_buffer_ptr_to_format_args): New macros
6214 (set_real_maximum_length, output_set_maximum_length,
6215 output_set_prefix, output_get_prefix, output_set_maximum_length,
6216 output_destroy_prefix, init_output_buffer,
6217 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
6218 output_add_newline, output_add_character, output_add_space,
6219 output_append_r, output_append, wrap_text, output_format,
6220 output_do_printf, output_printf, output_do_verbatim,
6221 output_verbatim, verbatim): Use them.
6222 (output_clear): Split into cleat_text_info and
6223 clear_diagnostic_info.
6224 (struct output_state): Move to...
6226 * diagnostic.h: ...Here
6227 (struct output_buffer): Adjust.
6229 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
6231 * cpplex.c (parse_name): No longer inline (premature optimization).
6232 (do_pop_context): Fold into pop_context.
6233 (pop_context): Returns int.
6234 (lex_next): Hoist test for end of directive into pop_context.
6235 (push_macro_context): Returns int; takes just reader and token.
6236 Hoist test for excessive nesting to caller.
6237 (push_arg_context): Returns void; takes just reader and token.
6238 Do not call stringify_arg or get_raw_token.
6239 (get_raw_token): Convert tail recursion through push_arg_context
6240 to a loop at this level. Call stringify_arg here if appropriate.
6241 (maybe_paste_with_next): Convert tail recursion to a while loop.
6242 Hoist test of paste_level to caller.
6244 (stringify_arg): Push arg context at beginning.
6245 (cpp_get_token): Split out core into _cpp_get_token. Call
6246 process_directive here. Throw away CPP_PLACEMARKER tokens.
6247 (_cpp_get_token): Convert tail recursion through
6248 push_macro_context to a loop at this level.
6249 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
6250 _cpp_get_raw_token): Use _cpp_get_token.
6251 (_cpp_skip_rest_of_line): Drop the context stack directly; do
6252 not call pop_context.
6253 (_cpp_run_directive): Call lex_next directly.
6255 * cpphash.h: Prototype _cpp_get_token.
6256 * cppexp.c (lex): Use it.
6257 * cpphash.c (parse_define): Use it.
6258 * cpplib.c (get_define_node, do_undef, parse_include,
6259 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
6260 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
6261 parse_ifdef, validate_else): Use it.
6262 (cpp_push_buffer): Tweak error message; abort if anyone tries
6263 to push a buffer while macro expansions are stacked.
6265 2000-07-11 Donn Terry <donnte@microsoft.com>
6267 * cpplex.c (free_macro_args, save_token): Cast arg of free
6268 and/or xrealloc to PTR.
6269 (_cpp_init_input_buffer): Clear all fields of the base context.
6271 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
6273 * gensupport.c (process_rtx): Make rtl checking stop
6274 complaining about the define_insn while it is being
6275 converted from a define_insn_and_split.
6277 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
6279 * config/mips/mips.c (simple_memory_operand): Access the
6280 INTVAL of the address, not it's containing MEM.
6282 2000-07-11 Bruce Korb <bkorb@gnu.org>
6284 * fixinc/fixtests.c(double_slash): obsolete
6285 (else_endif_label): likewise
6286 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
6287 (libc1_ifdefd_memx): correct initial comment
6288 and omit the #if/#endif pair from the memxxx declarations
6289 * fixinc/fixincl.x: regen
6291 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6293 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
6295 2000-07-11 Neil Booth <NeilB@earthling.net>
6299 2000-07-11 Neil Booth <NeilB@earthling.net>
6301 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
6302 (handle_option): Set digraphs according to standard.
6303 Merge OPT_lang_c89 handler with OPT_std_c89.
6305 * cpplex.c: (lex_line, can_paste): Honour digraphs in
6306 accordance with the digraphs flag.
6308 * cpplib.h: (struct cpp_options): New option digraphs.
6310 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
6311 Bruce Korb <bkorb@gnu.org>
6313 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
6314 * fixinc/fixincl.x: Regenerate.
6315 * fixinc/tests/base/testing.h: Add testcase.
6317 2000-07-10 Richard Henderson <rth@cygnus.com>
6319 * config/ia64/ia64.c (got_symbolic_operand): New.
6320 (symbolic_operand, move_operand): Revert 0701 change.
6321 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6322 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
6323 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
6324 split the offset into a 14-bit low part instead of a 13-bit low part.
6325 (load_fptr): Mark the mem as unchanging.
6326 (load_symptr): Use got_symbolic_operand.
6328 2000-07-10 Nick Clifton <nickc@cygnus.com>
6330 * libgcc2.c (next_stack_level): Cast result of computation to
6331 (void **) so that the assignment does not generate a warning.
6333 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
6335 * flags.h : Add new variable flag_single_precision_constant.
6336 * toplev.c (display_help) : Add -fsingle-precision-constant option.
6337 (flag_single_precision_constant): New.
6338 * c-lex.c (yylex): Convert floating point constant to single
6340 * invoke.texi : Add documentation for this new option.
6342 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6344 * diagnostic.c (output_octal): Second parameter is unsigned.
6345 (output_long_octal): Likewise.
6346 (output_hexadecimal): Likewise.
6347 (output_long_hexadecimal): Likewise.
6348 (output_format): Adjust arguments extraction. Tweak.
6349 (output_verbatim, verbatim): End variable argument list.
6350 (report_diagnostic): Improve documentation.
6352 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
6354 * c-common.h (build_stmt): Declare.
6355 (build_continue_stmt): Likewise.
6356 (build_break_stmt): Likewise.
6357 (build_return_stmt): Likewise.
6359 * c-decl.c (do_case): Rewrite to do what previously done in
6362 * c-semantics.c (build_stmt): Define.
6363 (build_return_stmt): Likewise.
6364 (build_break_stmt): Likewise.
6365 (build_continue_stmt): Likewise.
6366 (build_case_label): Likewise.
6368 * c-parse.in (BREAK): Change to build tree, then generate RTL.
6369 (CONTINUE): Likewise.
6372 (DEFAULT): Likewise.
6374 * c-parse.y: Regenerate.
6375 * c-pasre.c: Likewise.
6377 2000-07-09 Jason Merrill <jason@redhat.com>
6379 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
6381 * tree.h (STRIP_NOPS): Check for error_mark_node.
6382 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
6383 (dwarf2out_*): Remove duplicate declarations.
6385 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
6386 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
6388 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6390 * diagnostic.c (wrap_text): New function.
6391 (maybe_wrap_text): Likewise.
6392 (output_add_string): Use it.
6393 (output_format): Likewise.
6394 (count_error): Use verbatim instead of notice.
6395 (report_error_function): Likewise. Don't use plain fprintf.
6396 (finish_diagnostic): New function.
6397 (output_do_verbatim): Tweak. Commonalize functionalities in
6398 output_verbatim and verbatim.
6399 (output_verbatim): Adjust.
6400 (verbatim): Likewise.
6401 (report_diagnostic): Define.
6403 * diagnostic.h (report_diagnostic): Prototype.
6405 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
6407 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
6409 2000-07-09 Neil Booth <NeilB@earthling.net>
6411 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
6412 IShspace, ISspace: Update.
6414 * cppinit.c: ISTABLE: Update.
6417 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
6418 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
6419 (skip_block_comment, skip_line_comment, parse_string,
6420 lex_line): Use is_vspace rather than IS_NEWLINE.
6421 (skip_whitespace, lex_line): Clean up to use is_nvspace.
6422 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
6424 (lex_next): Unconditionally stop if within a directive.
6425 Treat directives within macro invocations as directives
6426 (after parse_args emits error), not as the argument.
6428 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
6430 * diagnostic.c (diagnostic_args): New macro.
6431 (diagnostic_msg): Likewise.
6432 (output_formatted_integer): Likewise.
6433 (output_state): New data type.
6434 (digit_buffer): Make global.
6435 (output_add_integer): Rename to output_decimal. Squeeze
6437 (output_long_decimal, output_unsigned_decimal,
6438 output_long_unsigned_decimal, output_octal, output_long_octal,
6439 output_hexadecimal, output_long_hexadecimal): New functions.
6440 (output_append_r): New function.
6441 (output_append): Tweak.
6442 (output_flush_on): Rename to output_to_stream.
6443 (output_format): Change prototype. Improve documentation. Handle
6444 more format specifiers.
6445 (build_location_prefix): Rename to context_as_prefix.
6446 (output_notice): Rename to output_do_printf.
6447 (output_printf): Tweak.
6448 (line_wrapper_printf): Likewise.
6449 (vline_wrapper_message_with_location): Adjust call to renamed
6451 (v_message_with_decl): Likewise.
6452 (default_print_error_function): Likewise.
6453 (save_output_state): New function.
6454 (restore_output_state): Likewise.
6455 (output_do_verbatim): Likewise.
6456 (output_verbatim): Define.
6457 (verbatim): Likewise.
6459 * diagnostic.h (printer_fn): Change return type from void to int.
6460 Improve documentation.
6461 (output_add_integer): Rename to output_decimal.
6462 (output_flush_on, output_format): Don't export.
6463 (output_verbatim, verbatim): Declare.
6465 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
6467 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
6468 Check whether c divides op1 exactly if operation is not
6471 2000-07-08 Richard Henderson <rth@cygnus.com>
6473 * final.c (final): Do not abort when reg-stack introduces
6476 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
6478 * cpplib.h (struct cpp_name): Now struct cpp_string.
6479 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
6480 CPP_HEADER_NAME): Change to type S.
6481 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
6482 field, a cpp_hashnode *. All references to val.name updated
6483 to use val.str or val.node as appropriate.
6484 (struct cpp_reader): Add spec_nodes field.
6485 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
6487 * cpphash.h (struct spec_nodes): New.
6488 (enum spell_type): Reorder. Only SPELL_STRING tokens use
6489 val.str. All references to 'spelling > SPELL_NONE' updated to
6492 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
6493 pfile->buffer->inc are not NULL before dereferencing them.
6495 * cpplex.c (parse_name): Take a pointer to the current token,
6496 plus current position and limit as args; return the new
6497 position; don't copy the text of a name into the string
6498 buffer, instead call cpp_lookup and store the node pointer.
6499 If extending a token, copy out the text of the old into a
6500 scratch buffer, append the new, look that up and store the new
6501 node pointer. Inline.
6502 (maybe_paste_with_next): If the result of paste is a NAME,
6503 then look up the pasted text and store its node pointer.
6504 (lex_line): Adjust for new parse_name interface.
6505 Check for L"str", L'str' using spec_nodes->n_L.
6506 (spell_token): SPELL_IDENT tokens have their spelling in
6507 val.node->name. Handle SPELL_STRING tokens that don't have
6509 (_cpp_expand_name_space,
6510 (can_paste): Check for L ## "str" using spec_nodes->n_L.
6511 (cpp_get_token, special_symbol): No need to call cpp_lookup.
6512 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
6513 return 1=equal 0=not, not a tristate.
6515 * cpphash.c (var_args_str): Delete.
6516 (find_param): Compare node fields directly.
6517 (is__va_args__): Use CPP_PEDANTIC. Just compare
6518 token->val.node with spec_nodes->n__VA_ARGS__.
6519 (dump_funlike_macro): Don't use var_args_str.
6521 * cpplib.c (_cpp_check_directive): Just walk through
6522 spec_nodes->dirs comparing pointers.
6523 (get_define_node, do_pragma_poison, detect_if_not_defined,
6524 parse_ifdef): The identifier has already been looked up.
6525 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
6527 (do_if): Only call detect_if_not_defined at beginning of file.
6528 (_cpp_parse_assertion): Only copy string pointers for
6529 SPELL_STRING tokens.
6530 (pragma_dispatch): Take a node pointer and examine its name
6532 (_cpp_init_stacks): Also initialize the spec_nodes structure.
6534 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
6536 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
6537 reverse order from the corresponding _cpp_init_* routines.
6539 * cppexp.c (parse_number, parse_charconst, parse_defined,
6540 lex): Check val.node->type instead of calling cpp_defined.
6541 Use spec_nodes entries where appropriate.
6543 * fix-header.c, scan-decls.c: Update for interface changes.
6545 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
6547 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
6548 emitting aux_truncdfsf2.
6550 2000-07-03 Donn Terry (donnte@microsoft.com)
6552 * cppinit.c (print_help): split overlong line into ISO C89
6555 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
6557 * cppexp.c: Update all code for new lexer interface.
6558 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
6559 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
6560 * cpplex.c (token_names): Trim leading CPP_ from names; make
6561 the strings unsigned.
6562 (_cpp_spell_operator): New.
6563 (is_macro_disabled): Disable all macros if rescanning
6565 (_cpp_get_directive_token): Remove.
6567 * cppinit.c: Don't set no_macro_expand.
6568 * cpplib.c (read_line_number, do_line): Check only for EOF,
6570 * cpphash.h: Update prototypes.
6571 * cpplib.h (CPP_VSPACE): Remove.
6572 (struct cpp_reader): Remove no_macro_expand.
6574 2000-07-08 Neil Booth <NeilB@earthling.net>
6576 * cpphash.c (is__va_args__): New function.
6577 (count_params): Fix line reported in error messages. Use
6578 is__va_args__. Don't return ')' on error. Flag GNU style
6579 rest args macro definitions.
6580 (parse_define): Check macro name is not __VA_ARGS__.
6581 (save_expansion): Check identifier in non-varargs-macro is
6582 not __VA_ARGS__. Don't flag GNU_VARARGS.
6583 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
6584 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
6585 than per-token GNU_VARARGS.
6586 * cpplib.h (GNU_VARARGS): Remove.
6587 (GNU_REST_ARGS): New.
6589 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
6591 * i386.md (call_pop, call, call_value_pop): Do not set
6592 current_function_uses_pic_offset_table for calls to static
6593 functions or indirect calls.
6595 2000-07-07 Jim Wilson <wilson@cygnus.com>
6597 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
6598 is_predicate_reg, then take max write_count of register pair.
6600 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6602 * tradcpp.c (main): Rename label `include' to `add_include' to
6603 avoid conflicts with variable `include' in traditional C.
6605 2000-07-07 Jakub Jelinek <jakub@redhat.com>
6607 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
6609 2000-07-07 Jakub Jelinek <jakub@redhat.com>
6611 * sibcall.c (uses_addressof): Add INMEM argument, check for
6612 current_function_internal_arg_pointer outside of MEM rtxs in addition
6614 (sequence_uses_addressof): Update caller.
6616 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
6618 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
6621 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6623 * system.h (UNION_INIT_ZERO): New macro for initializing union
6626 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
6628 2000-07-07 Neil Booth <NeilB@earthling.net>
6632 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
6634 * final.c (final): Detect out of bounds array access to
6635 the insn_lengths array.
6637 2000-07-07 Kazu Hirata <kazu@hxi.com>
6639 * fold-const.c (fold): Fix a comment typo.
6641 2000-07-07 Neil Booth <NeilB@earthling.net>
6643 * cpp.texi: Update to new lexer.
6645 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
6647 * tradcpp.c: New file.
6648 * tradcif.y: New file.
6649 * tradcif.c: New generated file.
6651 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
6652 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
6653 dependencies of C. Install tradcpp from install-common, in
6656 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
6658 * cppinit.c: Include cppdefault.h. Refer to
6659 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
6660 to GCC_INCLUDE_DIR and its length.
6661 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
6662 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
6663 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
6665 (include_defaults_array): Move to cppdefault.c.
6667 * cppdefault.h: New file.
6668 * cppdefault.c: New file.
6670 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
6671 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
6672 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
6675 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6677 * reload.c (push_reload): When seeing if can reuse a register,
6678 check extra registers against widest of INMODE and OUTMODE.
6680 2000-07-06 Neil Booth <NeilB@earthling.net>
6682 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
6683 based on full length of predicate.
6685 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
6687 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
6688 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
6690 2000-07-05 Kazu Hirata <kazu@hxi.com>
6692 * h8300-proto.h: Fix formatting.
6693 * h8300.c: Likewise.
6694 * h8300.h: Likewise.
6696 2000-07-05 Jim Wilson <wilson@cygnus.com>
6698 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
6701 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
6703 * invoke.texi: Fix minor typos
6704 * md.texi: Fix minor typos
6706 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
6708 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
6710 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
6712 * cpplex.c: Don't include sys/mman.h.
6713 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
6715 * cpplib.c: Include sys/mman.h and obstack.h.
6716 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
6718 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
6719 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
6720 bother freeing if stack entries (they will be freed with their buffer).
6721 (do_endif): Free if stack entries from the buffer obstack.
6722 (push_conditional): Allocate if stack entries from the buffer obstack.
6724 (find_answer): Rename to _cpp_find_answer.
6725 (do_assert, do_unassert): Update.
6727 * cpphash.h: Update prototypes.
6728 (xobnew): New convenience macro.
6729 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
6731 (struct cpp_hashnode): Remove disabled field.
6733 * cppinit.c: Don't include hashtab.h or splay-tree.h.
6734 (report_missing_guard): Moved to cppfiles.c.
6735 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
6737 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
6738 cpp_cleanup_includes. Don't destroy hashtab or
6739 all_include_files here.
6740 (cpp_finish): Use _cpp_report_missing_guards.
6742 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
6743 (_cpp_init_include_table): Rename _cpp_init_includes.
6744 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
6746 * cppexp.c (parse_assertion): Update for new name of
6749 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
6751 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
6753 * cpplib.c (do_ident): s/VSPACE/EOF/
6755 2000-07-05 Neil Booth <NeilB@earthling.net>
6757 * cpplex.c: Fix trigraph replacement within strings.
6759 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6761 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
6763 * xcoffout.c (assign_type_number): Constify.
6764 (xcoffout_source_file): Add static prototype. Don't needlessly
6765 cast away const-ness.
6767 2000-07-04 Jason Merrill <jason@redhat.com>
6769 * frame.h (frame_state): Move base_offset to end.
6771 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
6773 * calls.c (emit_library_call_value_1): Revert previous change.
6775 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
6777 * fix-header.c (struct partial_proto): Remove unnecessary fields.
6778 (recognized_extern, recognized_function, read_scan_file):
6779 Update for new scheme.
6780 (check_protection): It's still a multiple include guard even
6781 if it doesn't always trigger.
6782 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
6784 * scan.h: Declare struct cpp_token. Update prototypes.
6786 2000-07-03 Neil Booth <neilb@earthling.net>
6787 Zack Weinberg <zack@wolery.cumb.org>
6789 Complete overhaul of the lexer and macro expander.
6791 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
6792 arg, arglist, argdata, reflist, collect_objlike_expansion,
6793 collect_funlike_expansion, collect_params,
6794 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
6795 unsafe_chars, macarg, compare_defs, special_symbol,
6796 scan_arguments, stringify, funlike_macroexpand,
6797 _cpp_quote_string, monthnames): Delete.
6798 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
6799 _cpp_create_definition, _cpp_dump_definition,
6800 dump_hash_helper): Adjust.
6801 (find_param, count_params, parse_define, var_args_str,
6802 check_macro_redefinition, save_expansion): New.
6804 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
6805 parse_string, output_line_command, trigraph_replace,
6806 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
6807 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
6808 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
6809 _cpp_skip_rest_of_line): Modify.
6811 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
6812 find_position, null_warning, bump_column, expand_name_space,
6813 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
6814 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
6815 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
6816 _cpp_prescan): Delete.
6818 (dump_param_spelling, process_directive, lex_next,
6819 is_macro_disabled, stringify_arg, expand_context_stack,
6820 output_token, make_string_token, alloc_number_token,
6821 special_symbol, duplicate_token, maybe_paste_with_next,
6822 can_paste, prevent_macro_expansion, restore_macro_expansion,
6823 get_temp_token, release_temp_tokens, quote_string,
6824 token_names, token_spellings, _cpp_expand_name_space,
6825 _cpp_glue_header_name, _cpp_reserve_name_space,
6826 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
6827 placemarker_token, eof_token, cpp_context, macro_args,
6828 get_raw_token, parse_arg, parse_args, save_token,
6829 push_arg_context, push_macro_context, pop_context,
6830 do_pop_context, free_macro_args, _cpp_get_line,
6831 _cpp_run_directive): New.
6833 * cpplib.c (validate_else, parse_include, push_conditional,
6834 pass_thru_directive, read_line_number, parse_ifdef,
6835 detect_if_not_defined, _cpp_check_directive, do_define,
6836 do_undef, do_include, do_import, do_include_next, do_error,
6837 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
6838 top_pragmas, do_pragma_gcc, do_pragma_implementation,
6839 do_pragma_poison, do_pragma_system_header,
6840 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
6841 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
6842 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
6843 cpp_defined): Update for new scheme.
6844 (strtoul_for_line, get_define_node, dump_macro_name,
6845 _cpp_check_linemarker, _cpp_parse_assertion): New.
6846 (_cpp_handle_directive, do_pragma_default): Delete.
6848 * cpphash.h (struct predicate): Now struct answer.
6849 (enum spell_type, struct token_spelling, struct directive,
6850 directive_handler): New.
6851 Update prototypes. Remove unused macros.
6852 * cpplib.h: Update prototypes. Remove unused macros,
6853 structure definitions, and fields.
6855 * cpperror.c (print_containing_files, v_message): Adjust.
6856 * cppexp.c (parse_assertion, lex, parse_escape,
6857 _cpp_parse_expr): Adjust.
6858 * cppfiles.c (open_include_file, _cpp_execute_include,
6859 _cpp_compare_file_date, cpp_read_file, read_include_file):
6861 * cppinit.c (dump_special_to_buffer): Delete.
6862 (append_include_chain, merge_include_chains, cpp_reader_init,
6863 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
6864 cpp_finish, handle_option, print_help): Adjust.
6865 * cppmain.c (main): Adjust.
6867 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
6869 * cppspec.c (lang_specific_driver): Use double quotes in error
6872 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
6874 * calls.c (emit_library_call_value_1): Use valreg instead
6875 of hard_libcall_value.
6877 2000-07-03 Geoff Keating <geoffk@cygnus.com>
6879 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
6880 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
6881 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
6889 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
6890 mode instead of wider_mode is being used.
6892 2000-07-03 Jakub Jelinek <jakub@redhat.com>
6894 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
6895 of 'r'. Use q_regs_operand.
6896 (andsi_1+2): Use q_regs_operand.
6898 2000-07-03 Jakub Jelinek <jakub@redhat.com>
6900 * builtins.c (get_memory_rtx): Always put into alias set 0.
6902 2000-07-03 Nick Clifton <nickc@cygnus.com>
6904 * config/arm/arm.md: Fix post increment and pre increment
6905 peepholes so that they do not generate UNPREDICATBLE opcodes.
6906 (ie ones where the increment clobbers the source/destination).
6908 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
6910 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
6911 change too big for -mtiny-stack" a warning, if larger than 63.
6912 (out_set_stack_ptr): Change the logic so -mno-interrupts is
6913 always safe to use on possible future devices.
6914 (function_prologue): Write SPH before SPL, for consistency.
6915 If interrupt_func_p true, we know we have enabled interrupts.
6916 (avr_num_arg_regs): New function. Round up to even number of
6917 bytes if no -mpack-args or if calling a libgcc function.
6918 (function_arg, function_arg_advance): Use it.
6919 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
6920 Output "movw" if available.
6921 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
6922 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
6923 (asm_output_section_name): Add blanks for consistent output.
6924 (encode_section_info): Set TREE_READONLY for progmem data to
6925 avoid gas warnings about changed section attributes.
6926 (avr_hard_regno_mode_ok): Force non-QImode data to start in
6927 even numbered registers on devices with "movw".
6928 * config/avr/avr.h (MASK_*): Define bits for target_flags.
6929 (TARGET_SWITCHES): Mark help strings for translation.
6930 Add new -mpack-args and -menhanced switches.
6931 (TARGET_OPTIONS): Mark help strings for translation.
6932 (progmem_section): Add section attributes.
6933 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
6934 Output "movw" if available.
6935 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
6937 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
6938 call convention (arguments aligned on even registers).
6939 (_cleanup, _exit): Make weak symbols libc can override.
6941 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6943 * fp-bit.h: New file.
6945 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
6946 Comment #endif statements.
6947 (__thenan_sf, __thenan_df): Add missing braces around initializer.
6949 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
6951 * gcse.c (compute_pre_data): Compute ae_kill using other local
6952 properties instead of calling compute_ae_kill.
6954 * alias.c (init_alias_analysis): Do not call
6955 prologue_epilogue_contains until after reload has completed.
6957 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
6959 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
6960 (genrtl_finish_compound_stmt): Likewise.
6961 (genrtl_compound_stmt): Change to return void.
6963 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
6964 move code from here to ...
6965 (genrtl_compound_stmt): ... here.
6966 (genrtl_finish_compound_stmt): Remove.
6967 (expand_stmt): Add comment.
6969 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
6971 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
6974 2000-07-02 Jakub Jelinek <jakub@redhat.com>
6976 * cpplib.h (struct cpp_reader): New field include_depth.
6977 (struct cpp_printer): Rename last_bsd to last_id.
6978 * cppfiles.c (read_include_file): Bump include_depth.
6979 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
6980 (output_line_command): Output correct #line if a header
6981 is including itself and is not protected against multiple inclusion.
6982 Use include_depth instead of buffer_stack_depth, last_id instead of
6984 * cppinit.c (cpp_start_read): Initialize last_id instead of
6987 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
6989 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
6990 (c-semantics.o): New target.
6992 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
6993 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
6994 (genrtl_clear_out_block): Likewise.
6995 (genrtl_goto_stmt): Likewise.
6996 (genrtl_expr_stmt): Likewise.
6997 (genrtl_decl_stmt): Likewise.
6998 (genrtl_if_stmt): Likewise.
6999 (genrtl_while_stmt): Likewise.
7000 (genrtl_do_stmt): Likewise.
7001 (genrtl_return_stmt): Likewise.
7002 (genrtl_for_stmt): Likewise.
7003 (genrtl_break_stmt): Likewise.
7004 (genrtl_continue_stmt): Likewise.
7005 (genrtl_scope_stmt): Likewise.
7006 (genrtl_switch_stmt): Likewise.
7007 (genrtl_case_label): Likewise.
7008 (genrtl_begin_compound_stmt): Likewise.
7009 (gerntl_finish_compound_stmt): Likewise.
7010 (genrtl_compound_stmt): Likewise.
7011 (genrtl_asm_stmt): Likewise.
7012 (genrtl_decl_cleanup): Likewise.
7013 (DECL_ANON_UNION_ELEMS): Likewise.
7014 (emit_local_var): Likewise.
7015 (make_rtl_for_local_static): Likewise.
7016 (expand_cond): Likewise.
7017 (expand_stmt): Likewise.
7018 (c_expand_return): Likewise.
7019 (c_expand_start_case): Likewise.
7020 (do_case): Likewise.
7021 (COMPOUND_STMT_NO_SCOPE): Likewise.
7022 (c_expand_asm_operands): Likewise.
7023 (NEW_FOR_SCOPE_P): New macro.
7024 (expand_expr_stmt_fn): New type.
7026 (set_current_function_name_declared): Likewise.
7027 (current_function_name_declared): Likewise.
7028 (lang_expand_stmt): Likewise.
7029 (stmts_are_full_exprs_p): Likewise.
7030 (anon_aggr_type_p): Likewise.
7031 (lang_expand_expr_stmt): Likewise.
7032 (build_case_label): Likewise.
7034 * c-decl.c (lang_expand_expr_stmt): Initialize.
7035 (stmts_are_full_exprs_p): Define.
7036 (current_function_name_declared): Likewise.
7037 (do_case): Likewise.
7038 (lang_expand_stmt): Likewise.
7039 (set_current_function_name_declared): Likewise.
7040 (anon_aggr_type_p): Likewise.
7042 * c-semantics.c: New file.
7043 (expand_cond): Moved from cp/semantics.c.
7044 (genrtl_do_pushlevel): Likewise.
7045 (genrtl_clear_out_block): Likewise.
7046 (genrtl_goto_stmt): Likewise.
7047 (genrtl_expr_stmt): Likewise.
7048 (genrtl_decl_stmt): Likewise.
7049 (genrtl_if_stmt): Likewise.
7050 (genrtl_while_stmt): Likewise.
7051 (genrtl_do_stmt): Likewise.
7052 (genrtl_return_stmt): Likewise.
7053 (genrtl_for_stmt): Likewise.
7054 (genrtl_break_stmt): Likewise.
7055 (genrtl_continue_stmt): Likewise.
7056 (genrtl_scope_stmt): Likewise.
7057 (genrtl_switch_stmt): Likewise.
7058 (genrtl_case_label): Likewise.
7059 (genrtl_begin_compound_stmt): Likewise.
7060 (genrtl_finish_compound_stmt): Likewise.
7061 (genrtl_compound_stmt): Likewise.
7062 (genrtl_asm_stmt): Likewise.
7063 (genrtl_decl_cleanup): Likewise.
7064 (make_rtl_for_local_static): Moved from cp/decl.c.
7065 (emit_local_var): Likewise.
7066 (expand_stmt): Define.
7068 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
7069 (c_expand_return): Likewise.
7070 (c_expand_start_case): Likewise.
7072 2000-07-01 Richard Henderson <rth@cygnus.com>
7074 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
7075 with the low 13 bits set.
7076 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
7077 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
7078 of the low 13 bits into a CONST plus an adddi3.
7079 (load_symptr): Set RTX_UNCHANGING_P.
7081 See ChangeLog.3 for earlier changes.