1 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4 If REVERSE nonzero then condition code in X must be reversed.
5 (encode_section_info): Optimise if/else.
6 (avr_function_value): Fix formatting.
8 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9 (difficult_branch): Likewise.
11 (difficult_rvbranch): Likewise.
13 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
15 * config/avr/libgcc.S: Fix comment.
17 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
19 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
21 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
23 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
25 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
27 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
28 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
29 * configure, config.in: Regenerate.
30 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
31 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
32 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
33 (doprint.o): New rule.
35 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
37 * c-typeck.c (digest_init): Handle boolean types as scalars.
39 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
41 * stmt.c (expand_return): Don't return anything if size is zero.
42 Delete redundant assignment to BYTES.
43 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
45 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
47 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
48 the same as the default library function names.
49 * config/avr/avr.md: Document special characters after '%'.
50 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
51 knowing which of the call-used registers are really clobbered.
52 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
53 New. Both quotient and remainder from one libgcc.S call.
54 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
55 clobber as few registers as possible.
56 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
58 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
60 * cppmacro.c (funlike_invocation_p): Don't move back up to the
61 context of the top of the stack.
63 2001-01-20 Jakub Jelinek <jakub@redhat.com>
65 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
66 (fixup_var_refs_insns): ...here.
68 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
70 * function.c (fixup_var_refs_insns): Break up into
71 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
72 [loop over entire insn list], and fixup_var_refs_insns_with_hash
73 [loop over hash table entries].
74 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
75 fixup_var_refs_insns_with_hash, to match above changes.
77 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
79 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
81 (stmp-multilib): Likewise.
82 (STAGE2_FLAGS_TO_PASS): Likewise.
84 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
86 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
87 temporary if no_new_pseudos.
89 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
91 * cppinternals.texi: Update.
93 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
95 * arm.c (arm_init_builtins): Re-enable builtins.
97 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
99 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
100 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
101 element to be null, and always expect an EXPR_LIST.
102 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
103 * sched-deps.c (sched_analyze_1): Likewise.
104 * sched-rgn.c (check_live_1, update_live_1): Likewise.
106 * regclass.c (max_set_parallel): New variable.
107 (reg_scan): Take it into account in computation of max_parallel.
108 (reg_scan_mark_refs, case SET): Compute it.
110 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
112 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
113 * function.c (assign_parms): Use INTVAL for a CONST_INT.
115 2001-01-19 Jason Merrill <jason@redhat.com>
117 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
118 for the abstract instance of an inline function.
120 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
121 J"orn Rennecke <amylaar@redhat.com>
123 * reload1.c (move2add_note_store): Treat all registers directly or
124 indirectly derived from a base register as members of the same set
126 (reload_cse_move2add): Adjust accordingly. Take mode and offset
127 of base register into account.
129 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
131 * alias.c (find_base_value): Recognize TRUNCATE.
132 (record_set): In PLUS case, invalidate if other summand is also a
135 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
137 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
138 entry to be EXPR_LIST.
139 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
140 be an EXPR_LIST (but not null, which other code doesn't allow).
141 (note_stores): Properly handle PARALLEL in SET.
142 Recursively call for top-level PARALLEL.
143 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
144 * sched-rgn.c (check_live_1, update_live_1): Likewise.
146 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
148 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
150 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
151 not pfile->skipping (== 0).
153 2001-01-17 Nick Clifton <nickc@redhat.com>
155 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
158 2001-01-17 Jim Wilson <wilson@redhat.com>
160 * invoke.texi (IA-64 options): Improve.
162 2001-01-17 Tom Tromey <tromey@redhat.com>
164 * invoke.texi (Optimize Options): Use `{}' to around @samp
167 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
169 * invoke.texi (-fno-guess-branch-probability): New option.
171 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
173 * combine.c (try_combine): Don't set i3_subst_into_i2 for
174 case of making new double-word constant.
175 Revert last change: instead just test i3_subst_into_i2.
177 2001-01-17 Jakub Jelinek <jakub@redhat.com>
179 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
180 Use q constraints instead of r.
182 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
184 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
185 (machine_function): Define.
186 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
187 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
188 pa_free_machine_status): New functions.
189 (override_options): Set {init,mark,free}_machine_status to above.
190 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
191 PIC_OFFSET_TABLE_REGNUM_SAVED.
192 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
193 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
194 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
195 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
196 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
198 2001-01-15 DJ Delorie <dj@redhat.com>
200 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
204 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
206 * flow.c (propagate_on_insn): Make trying to delete a prologue
207 or epilogue insn an ICE, not a warning. Allow doing this if
208 the current function returns with stack pointer depressed.
210 * combine.c (try_combine): If i3_subst_into_i2, properly check for
211 I3 having more than one SET.
213 2001-01-16 Jim Wilson <wilson@redhat.com>
215 * invoke.texi: Document IA-64 options.
217 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
218 (fixup_errata): Delete TARGET_A_STEP use.
219 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
220 (TARGET_SWITCHES): Delete -ma-step option.
221 * config/ia64/ia64.md (all FP patterns): Delete %B0.
222 (movqicc_astep, movqi_internal_astep, movhicc_astep,
223 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
224 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
225 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
226 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
228 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
229 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
230 cmovsi_internal): Delete ! TARGET_A_STEP check.
232 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
234 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
235 possibility to report bugs via postal mail. Change a URL and
236 merge in a nearly duplicate statement...
237 (Bug Reporting): ...from here.
238 (Service): Refer to the Bug Reporting section instead of
240 (Contributing): Remove trivial explanations concerning snapshots.
242 2001-01-16 Alan Modra <alan@linuxcare.com.au>
244 * cppmain.c (general_init): Don't use ANSI prototype.
246 2001-01-16 Tom Tromey <tromey@redhat.com>
248 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
250 2001-01-16 Richard Henderson <rth@redhat.com>
252 * config/i386/i386.h: Fix comment typo.
253 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
254 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
256 2001-01-16 Phil Edwards <pme@sources.redhat.com>
258 * gcc.c: Revert previous -fsyntax-only-related change; move
261 2001-01-16 Jakub Jelinek <jakub@redhat.com>
263 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
264 inmode after checking GET_CODE (op).
266 2001-01-16 Richard Henderson <rth@redhat.com>
268 * flow.c (struct propagate_block_info): Add mem_set_list_len.
269 (MAX_MEM_SET_LIST_LEN): New.
270 (propagate_one_insn): Update mem_set_list_len.
271 (invalidate_mems_from_autoinc): Likewise.
272 (invalidate_mems_from_set): Likewise.
273 (mark_used_regs): Likewise.
274 (init_propagate_block_info): Likewise. Stop collecting memories
275 when we reach MAX_MEM_SET_LIST_LEN.
276 (mark_set_1): Likewise.
278 2001-01-16 Richard Henderson <rth@redhat.com>
280 * unroll.c (precondition_loop_p): Fail if no iteration
283 2001-01-16 Phil Edwards <pme@sources.redhat.com>
285 * gcc.c: When -fsyntax-only is given, do not complain about
288 2001-01-15 Richard Henderson <rth@redhat.com>
290 * config/i386/i386.c (asm_output_function_prefix): Remove.
291 (ix86_asm_file_end): New.
292 (load_pic_register): Generate pic_label_name into a
293 staticly allocated buffer.
294 * config/i386/i386-protos.h: Update.
295 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
297 * config/i386/i386afe.h: New file.
298 * config.gcc (i?86-*-elf) [tm_file]: Use it.
299 (i?86-*-{freebsd,linux*,moss*}): Likewise.
300 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
301 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
302 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
303 * config/i386/sco5.h (ASM_FILE_END): Likewise.
304 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
306 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
308 * Makefile.in (install-man): Remove explicit dependency on
311 * configure.in, configure: Revert previous patch requiring perl
314 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
316 * toplev.c (flag_guess_branch_prob): New.
317 (f_options): Add guess-branch-probability option.
318 (rest_of_decl_compilation): Only estimate branch probability if
320 (main): set flag_guess_branch_prob.
322 * flags.h (flag_guess_branch_prob): New.
324 2001-01-15 DJ Delorie <dj@redhat.com>
326 * gcc.texi (Makefile): Add documentation for Makefile targets.
328 2001-01-15 Philip Blundell <philb@gnu.org>
330 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
332 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
333 (is_pic): Delete declaration.
334 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
335 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
336 * config/arm/arm.md (builtin_setjmp_receiver): New.
338 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
340 * arm.c (use_return_insn): Don't try to determine the function type
341 until after reload has completed.
342 (arm_output_epilogue): Don't adjust the sp value recovered from the
344 (emit_multi_reg_push): Don't record dwarf information for the pc.
345 * arm.md (eh_epilogue): The function type may have changed, so it
346 needs to be recalculated.
347 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
348 unwind tables on arm/netbsd.
350 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
352 * arm.md (cbranchsi4): Correct calculation of branch ranges.
353 (negated_cbranchsi4): Likewise.
355 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
357 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
358 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
359 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
360 pass -mapcs-* options to assembler.
361 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
362 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
363 (ASM_SPEC): Call subtarget_extra_asm_spec.
365 2001-01-15 Andreas Jaeger <aj@suse.de>
367 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
369 (ix86_expand_builtin): Likewise.
371 * gencodes.c (output_predicate_decls): Make i size_t to avoid
372 warning about comparison between signed and unsigned.
374 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
376 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
378 2001-01-14 Ralf Baechle <ralf@gnu.org>
380 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
381 SUBTARGET_CPP_SPEC apropriatly.
383 2001-01-12 Mark Mitchell <mark@codesourcery.com>
385 * varasm.c (make_decl_rtl): Fix typo in last change.
387 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
389 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
390 linker supports the init_priority C++ attribute.
391 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
392 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
393 linker does not support init_priority C++ attribute.
395 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
397 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
399 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
401 * c-parse.in (finish_parse): Add comment about cpp_destroy.
402 * cp/lex.c (finish_parse): Similarly.
403 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
404 Return the number of errors encountered.
405 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
406 * cppmain.c (main): Don't call cpp_destroy.
408 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
410 * configure.in: Require at least perl 5.6.0 to regenerate
412 * configure: Regenerate.
414 2001-01-14 Richard Henderson <rth@redhat.com>
416 * genrecog.c (DT_veclen_ge): New.
417 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
418 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
419 (nodes_identical_1): Handle DT_veclen_ge.
420 (write_cond, debug_decision_2): Likewise.
422 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
424 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
426 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
428 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
430 * cppmain.c (do_preprocessing): New function; most of the old
432 (main): Call it to do most of the work.
433 (cb): Move from global scope to set_callbacks ().
434 (setup_callbacks): Get the callback pointer.
435 (general_init, printer_init): Clean up code and comments.
437 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
439 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
442 2001-01-14 Kazu Hirata <kazu@hxi.com>
444 * config/h8300/h8300.c (get_shift_alg): Update comments.
446 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
448 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
449 (alloc_page, ggc_alloc): Add casts to remove warnings.
451 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
453 * combine.c (simplify_comparison): Don't change `code' when
454 can't reverse comparison.
456 2001-01-14 Richard Henderson <rth@redhat.com>
458 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
459 update all call sites. Return true for all non-label constants.
461 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
463 * i386.c (ix86_expand_compare): Add bypass_test and second_test
465 (ix86_expand_branch): Update.
466 (ix86_expand_setcc): Update to handle multiple test conditions.
467 (expand_int_movcc): Likewise.
468 (expand_fp_movcc): Likewise.
469 * i386-protos.h (ix86_expand_compare): New.
470 * i386.md (andqi_?_slp, orqi_?_slp): New.
471 (conditional trap expander): Update call to ix86_expand_compare.
473 2001-01-14 Richard Henderson <rth@redhat.com>
475 * config/vax/vax.md: Use nonimmediate_operand instead of
476 general_operand in destinations.
478 * config/vax/vax.md (indirect_jump): Use register_operand.
480 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
481 * config/vax/vax.md (call_pop): Turn into an expander.
482 (call_value_pop): Likewise.
483 (call, call_value): New.
485 2001-01-14 Andreas Jaeger <aj@suse.de>
487 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
489 (ix86_fp_compare_mode): Add unused attribute.
490 (ix86_expand_fp_movcc): Remove unused variable.
491 (ix86_expand_builtin): Make fcode unsigned.
493 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
494 (expand_expr): Add cast to avoid signed warning.
495 (store_field): Likewise.
496 (store_constructor_field): Likewise.
497 (store_constructor): Likewise.
498 (store_expr): Likewise.
499 (clear_storage): Likewise.
500 (emit_group_store): Likewise.
501 (emit_group_load): Likewise.
503 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
505 * c-common.c: Move format checking code to ...
506 * c-format.c: ... here. New file. Reorder some functions and
508 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
510 * c-common.h (decl_handle_format_attribute,
511 decl_handle_format_arg_attribute): Declare.
512 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
513 (c-common.o): Adjust dependencies.
514 (c-format.o): New list of dependencies.
516 2001-01-13 Jakub Jelinek <jakub@redhat.com>
518 * unroll.c (loop_iterations): If we cannot prove iteration variable
519 is set once in each iteration, punt.
521 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
523 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
524 (*strlenhi): Remove clobber (which was buggy) of output address.
526 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
528 * Makefile.in (generated-manpages): Add gcc.1
529 ($(srcdir)/gcc.1): New target.
530 (maintainer-clean): Delete $(srcdir)/gcc.1.
531 * gcc.texi: Add macros @gccoptlist and @gol.
532 * invoke.texi: Include option summary in manpage. Mark up option
533 summary with @gccoptlist and @gol. Use @r in one place where
535 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
536 * gcc.1: Generate from invoke.texi.
538 2001-01-13 Richard Henderson <rth@redhat.com>
540 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
541 (struct page_entry): Add group member.
542 (struct page_group): New.
543 (struct globals): Add page_groups member.
544 (alloc_anon): Only define for using mmap; remove valloc call.
545 (page_group_index): New.
546 (set_page_group_in_use): New.
547 (clear_page_group_in_use): New.
548 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
549 (free_page, release_pages): Likewise.
550 * configure.in (with-gc): Default to ggc-page always.
552 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
554 * reload1.c (replace_pseudos_in_call_usage): Use
555 reg_equiv_constant and reg_equiv_address, and don't try
558 2001-01-13 Richard Henderson <rth@redhat.com>
560 * ggc-page.c (alloc_page): Round up allocation size to one page.
561 Set e->order on extra pages.
563 2001-01-13 Richard Henderson <rth@redhat.com>
565 * genrecog.c (nodes_identical): Expand commentary.
566 (write_switch): Watch out for identical nodes.
568 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
570 * cppfiles.c (_cpp_fake_include): New function.
571 * cpphash.h (_cpp_fake_include): New.
572 * cpplib.c (do_line): Call _cpp_fake_include when entering
573 header files in preprocessed input.
574 * cppmain.c (cb_pragma_implementation): Remove handling.
575 (setup_callbacks): Don't register pragmas.
577 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
579 * extend.texi: Udate for CPP.
581 2001-01-13 Andreas Jaeger <aj@suse.de>
583 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
585 * regmove.c: Add prototype for replace_in_call_usage.
587 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
589 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
590 struct cpp_chunk, struct htab, struct toklist,
591 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
592 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
593 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
594 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
595 (struct macro_args): Delete.
596 * cpphash.h: See above.
598 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
600 * cppmain.c (struct printer): Remove no_line_dirs.
602 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
603 : Use options rather than CPP_OPTION.
604 (setup_callbacks): Use cb rather than pfile->cb.
605 (main): No need to check for a buffer. Use cpp_errors.
606 (printer_init): Don't set no_line_dirs.
607 (maybe_print_line): Use options not no_line_dirs.
608 (cb_file_change): Don't call print_line if -P.
610 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
612 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
614 * c-parse.in (finish_parse): Use cpp_errors.
615 (__yylex): Use return value of cpp_pop_buffer.
616 * cp/lex.c (finish_parse): Use cpp_errors.
617 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
619 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
621 * README.AVR: URLs corrected.
623 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
625 * c-decl.c (start_function): Don't warn if old prototype is builtin
626 that's not in C's namespace.
627 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
628 (_bb): Add prototype for ctime.
629 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
631 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
633 * i386.c (ix86_fp_comparison_arithmetics_cost,
634 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
635 ix86_fp_comparison_cost): New functions.
636 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
637 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
638 two-branch sequences; make static.
639 (ix86_use_fcomi_compare): Do decision according to the costs.
640 (split_fp_branch): New.
641 * i386.md (compare-and-branch patterns): Use split_fp_branch.
642 * i386-protos.h (ix86_expand_fp_compare): Remove
643 (ix86_split_fp_branch): Declare.
645 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
646 and ix86_comparison_operator.
648 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
651 * i386.c (put_condition_code): Output properly the unordered/ordered
653 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
655 * tm.texi (REVERSE_CONDITION): Document.
656 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
658 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
660 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
662 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
664 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
667 * config/sh/sh.c (mova_p): Fix test for mova_const.
669 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
671 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
672 cpp_get_options rather than dereferencing pfile and using
674 * scan-decls.c (scan_decls): Use return value of
675 cpp_pop_buffer rather than CPP_BUFFER.
677 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
679 * cppinit.c (cpp_handle_option): help_only is now part of the
680 cpp_options structure.
681 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
682 cpp_set_callbacks): New functions.
683 * cpplib.h (cpp_callbacks): Break out as a named structure.
684 (cpp_options): Move help_only here from cpp_reader.
685 (CPP_FATAL_ERRORS): Update to use cpp_errors.
686 (cpp_errors, cpp_get_options, cpp_get_callbacks,
687 cpp_set_callbacks): New prototypes.
688 * cppmain.c (main): Update for help_only.
690 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
692 * Makefile.in (info, maintainer-clean, install-info, uninstall):
693 Also build and remove and install and uninstall c-tree.info and
695 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
696 ($(srcdir)/cppinternals.info): New target.
697 * c-tree.texi: Change file name used when makeinfo used without -o
698 from ir.info to c-tree.info. Add info directory entry.
699 * cppinternals.texi: Add info directory entry.
700 * .cvsignore: Update.
702 2001-01-12 Jakub Jelinek <jakub@redhat.com>
704 * c-typeck.c (store_init_value): Don't require constant initializer
705 elements with -pedantic -std=c99.
706 (digest_init): Change error about non-constant initializer elements
708 (constructor_range_end): Remove.
709 (constructor_incremental, designator_depth,
710 designator_errorneous): New variables.
711 (struct constructor_stack): Remove range_end, add incremental.
712 (struct constructor_range_stack, constructor_range_stack): New.
713 (struct initializer_stack): Add constructor_range_stack.
714 (finish_init): Set it.
715 (start_init): Likewise. require_constant_elements for non-static
716 trees only if not flag_isoc99.
717 (really_start_incremental_init): Remove constructor_range_end, add
718 constructor_incremental.
719 (pop_init_level): Likewise.
720 (push_init_level): Likewise. If implicit and the subobject had some
721 value set already, preinitialize the level with it.
722 Warn about missing braces only if not pushing due to designators.
723 (set_designator, push_range_stack): New functions.
724 (set_init_label): Use them.
725 (set_init_index): Likewise. Remove constructor_range_end.
726 Error if designator index is outside of array bounds.
727 (add_pending_init): Compare values of purpose index trees, not the
728 trees themselves. Allow overwriting of already initialized element.
729 Issue a warning if it had side-effects.
730 (set_nonincremental_init, set_nonincremental_init_from_string): New
732 (pending_init_member): Rename to...
733 (find_init_member): ...this function. Call set_nonincremental_init
734 if necessary. Compare values of purpose index trees, not the trees
735 themselves. Return the actual value, not just non-zero if something
737 (output_init_element): Remove checks for duplicates.
738 If field has zero size, only check the initializer for correctness.
739 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
740 if constructor_incremental is zero. Change error about initializers
741 not computable at load time into pedwarn.
742 (output_pending_init_elements): Compare bit positions, not
743 FIELD_DECLs to take into account zero-sized fields.
744 (process_init_element): Use constructor_range_stack to fill all
745 ranges in the designator lists from current level up.
746 * extend.texi: Update documentation for labeled elements.
748 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
750 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
751 to function usage for arguments passed by reference. Optimize
752 callee-copied arguments.
753 * regmove.c (replace_in_call_usage): New function.
754 (fixup_match_1): Call it.
755 * cse.c (cse_insn): Canonicalize registers in function usage.
756 * reload1.c (replace_pseudos_in_call_usage): New function.
759 * Makefile.in: Reverted yesterday's wrong patch. Installed the
762 2001-01-12 Jakub Jelinek <jakub@redhat.com>
764 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
767 2001-01-12 DJ Delorie <dj@redhat.com>
769 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
770 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
773 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
775 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
776 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
777 -std options alongside references to -ansi. Update some
778 documentation for C99.
781 2001-01-12 Andreas Jaeger <aj@suse.de>
783 * haifa-sched.c (restore_line_notes): Remove argument block B
785 * sched-ebb.c (schedule_ebb): Change caller.
786 * sched-rgn.c (schedule_region): Likewise.
787 * sched-int.h (restore_line_notes): Adjust prototype.
789 * loop.h: Remove wrong declaration of doloop_condition_get.
791 2001-01-12 Phil Edwards <pme@sources.redhat.com>
793 * extend.texi: Move C++-extension-related node from the C section
794 into the C++ section.
796 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
798 * extend.texi: Refer to an array of pointers to functions instead
801 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
802 Jan Hubicka <jh@suse.cz>
804 * combine.c (reversed_comparison): Fix typo in last patch.
806 (combine_reversed_comparison_code): Make static to follow
807 prototype declaration.
809 2001-01-12 Phil Edwards <pme@sources.redhat.com>
811 * install.texi: Remove misplaced duplicate entry.
813 2001-01-11 Ulrich Drepper <drepper@redhat.com>
815 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
817 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
819 * final.c: (leaf_function_p): Fix typo.
821 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
823 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
824 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
826 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
827 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
828 mmap_anon, and valloc is available.
829 * ggc-page.c: Restructure ifdef logic to match new autoconf
830 spec. Don't throw away the test page in init_ggc.
832 * configure, config.in: Regenerate.
834 2001-01-12 Michael Hayes <mhayes@redhat.com>
836 * loop.h (total_biv_increment): Constify iv_class pointer.
837 (struct induction): Replace `mem_mode' with `mem' rtx.
838 * unroll.c (total_biv_increment): Constify iv_class pointer.
839 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
840 (find_mem_givs, combine_givs_p): Likewise.
841 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
843 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
845 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
847 (__gthread_getspecific): Ditto.
849 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
851 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
852 put_condition_code): Convert fp comparison codes to integer
854 (ix86_expand_fp_compare): Postnote the fp comparison code converison
857 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
858 * i386-protos.h (no_comparison_operator): Kill.
860 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
862 * combine.c (REVERSIBLE_CC_MODE): Remove.
863 (reversible_comparison_p): Remove.
864 (combine_reversed_comparison_code): New.
865 (reversed_comparison): New.
866 (combine_simplify_rtx): Use
867 combine_reversed_comparison_code/reversed_comparison instead
868 of reversible_comparison_p.
869 (simplify_if_then_else): Likewise.
870 (simplify_set): Likewise.
871 (simplify_logical): Likewise.
872 (if_then_else_cond): Likewise.
873 (known_cond): Likewise.
874 (simplify_comparison): Likewise.
876 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
878 * builtins.c (std_expand_builtin_va_start): Handle varargs when
879 sizeof (int) is larger than sizeof(__word__).
881 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
883 * cppinit.c (do_includes): Fix typo.
885 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
887 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
888 in S_REGS does not occur because not all sources are possible
889 when a S_REGS is a destination (sometimes needs a clobber).
890 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
891 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
892 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
893 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
894 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
895 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
896 (lshrdi_const1, lshrsi3_const16): Likewise.
897 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
898 (*movhi_68hc12, *movqi_68hc12): Likewise.
899 (movstrictqi): Make sure reloading in D_REGS as a destination
902 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
904 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
906 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
908 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
909 -D, -U and -A, and don't initialize the builtins.
910 (do_includes): Error if -include or -imacros with -fpreprocessed.
911 * cppmain.c (cb_define, cb_undef): Unconditionally process
913 * tradcpp.c (main): Fix typo.
915 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
917 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
918 (read_name_map): Use IS_ABSOLUTE_PATH.
919 * tradcpp.c (get_filename): Likewise.
921 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
923 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
924 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
925 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
926 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
927 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
928 (cmphi_z_used): Don't use '@' for the output.
929 (tstqi_z_used): Likewise.
930 (cmpqi_z_used): Likewise.
931 (one_cmplsi2): Likewise.
933 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
935 * config/sh/sh.c (barrier_align): Recognize branch around far
936 branch and redundant insn.
938 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
940 * invoke.texi: Restore documentation of the drivers' switches -MD
943 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
945 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
947 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
948 check-objc//%): Support parallel testing of multilibs.
949 (TESTSUITEDIR): Set to testsuite by default, but override for
951 (check-gcc, check-g++, check-g77, check-objc): Enter
954 2001-01-11 Bernd Schmidt <bernds@redhat.com>
956 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
957 * sched-deps.c (deps_may_trap_p): Likewise.
958 * basic-block.h: Remove a comment.
959 * flow.c (PROP_POSTRELOAD): Remove.
960 (update_life_info): Don't add it to prop_flags.
961 (mark_set_1): Lose the code that was enabled by it.
963 2001-01-11 Michael Hayes <mhayes@redhat.com>
965 * flow.c (flow_call_edges_add): New.
966 * basic_block.h (flow_call_edges_add): New.
968 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
970 * reload1.c (move2add_note_store): Update reg_set_luid even if
971 base reg remains the same.
973 2001-01-10 Nick Clifton <nickc@redhat.com>
975 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
976 machine_function structure to zero.
977 Add prototypes for machine_status functions.
979 2001-01-10 Mark Mitchell <mark@codesourcery.com>
981 * c-common.h (CTI_VOID_LIST): Remove.
982 (void_list_node): Likewise.
983 * tree.h (TI_VOID_LIST_NODE): New enumeral.
984 (void_list_node): New macro.
985 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
986 * config/i386/i386.c (ix86_init_builtins): Likewise.
987 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
989 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
991 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
992 * cppinit.c (cpp_start_read): Update comment, remove unneeded
994 * tradcpp.c: Include mkdeps.h.
995 (deps, print_deps_phony_targets, deps_append, output_deps,
996 init_dependency_output, output_deps): New.
997 (deps_buffer, deps_allocated_size, deps_size, deps_column,
998 deps_output): Delete.
999 (print_deps_missing_files): Rename deps_missing_files.
1000 (inhibit_output): Make global.
1001 (main): Delete inhibit_output, deps_stream, deps_target.
1002 Use mkdeps functionality in the same way as cpplib. Remove
1003 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1004 -M and -MM. Remove old handling of deps via deps_out, and
1005 old reading of environment variables.
1006 (get_filename): Update to use deps_add_dep.
1008 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1010 * output.h (make_function_rtl): Remove prototype.
1011 (make_decl_rtl): Likewise.
1012 * varasm.c (make_function_rtl): Remove.
1013 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1014 than from a third parameter.
1015 * tree.h (make_decl_rtl): Remove last parameter.
1016 * c-decl.c (builtin_function): Remove last argument in call to
1017 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1018 (start_function): Likewise.
1019 * except.c (call_get_eh_context): Likewise.
1020 * expr.c (emit_block_move): Likewise.
1021 (clear_storage): Likewise.
1022 * profile.c (output_func_start_profiler): Likewise.
1023 * toplev.c (rest_of_decl_compilation): Likewise.
1024 * objc/objc-act.c (create_builtin_decl): Likewise.
1025 (synth_module_prologue): Likewise.
1026 (generate_static_reference): Likewise.
1027 (build_selector_reference_decl): Likewise.
1028 (build_class_reference_decl): Likewise.
1029 (build_objc_string_decl): Likewise.
1030 (build_protocol_reference): Likewise.
1032 2001-01-10 Richard Henderson <rth@redhat.com>
1034 * hwint.h: Revert yesterday's change.
1036 2001-01-10 Nick Clifton <nickc@redhat.com>
1038 * function.h (save_machine_status): Delete.
1039 (restore_machine_status): Delete.
1040 Amend comment describing {init|mark|free}_machine_status.
1042 * function.c (save_machine_status): Delete.
1043 (restore_machine_status): Delete.
1044 Amend comment describing {init|mark|free}_machine_status.
1045 (push_function_context_to): Remove invocation of
1046 save_machine_status.
1047 (pop_function_context_from): Remove invocation of
1048 restore_machine_status.
1050 * emit-rtl.c (init_emit_once): Amend comment describing
1051 {init|mark|free}_machine_status.
1053 * tm.texi (Per-Function Data): New node. Describe the
1054 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1057 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1059 * cppinit.c (OPT_g): Remove.
1060 (cpp_handle_option): Update for removed -g3.
1061 (print_help): Update.
1062 * cpplib.h (struct cpp_options): Remove debug_output.
1063 * cppmain.c (setup_callbacks, cb_define): Update.
1064 * gcc.c (cpp_options): Translate -g3 to -dD.
1066 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1068 * config/i960/i960.md: Change modifier to + on the zero_extract
1069 pattern after the (rotate -2 reg) canonicalization pattern.
1071 2001-01-10 Richard Henderson <rth@redhat.com>
1073 * config/alpha/alpha.c (alpha_free_machine_status): New.
1074 (override_options): Install it.
1075 (alpha_mark_machine_status): Verify machine non-null.
1076 * config/i386/i386.c (ix86_free_machine_status): New.
1077 (override_options): Install it.
1078 (ix86_init_machine_status): Use xcalloc.
1079 (ix86_mark_machine_status): Verify machine non-null.
1080 * config/ia64/ia64.c (ia64_free_machine_status): New.
1081 (ia64_override_options): Install it.
1082 (ia64_mark_machine_status): Verify machine non-null.
1084 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1086 * function.c (instantiate_virtual_regs): Instantiate virtual
1087 registers found in CALL_INSN_FUNCTION_USAGE.
1089 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1091 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1092 equivalent to -ansi in disabling -Di386.
1094 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1096 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1098 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1100 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1102 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1104 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1106 * invoke.texi: Document that -fcond-mismatch isn't supported for
1109 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1111 * gcc.texi: Define macro gcctabopt.
1112 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1113 @command, @env and @option in some places where appropriate. Use
1114 @gcctabopt where appropriate. Put URLs and email addresses inside
1117 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1119 * gcc.c (cpp_options): Set MD file name from output
1120 filename, if specified.
1121 (suffix_subst): New static variable.
1122 (do_spec): Clear it.
1123 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1125 (give_switch): Handle suffix_subst.
1127 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1129 * invoke.texi: Fix another typo.
1131 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1133 * invoke.texi: Fix typo.
1135 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1137 * c-lang.c (lang_hooks): Update.
1138 (lang_decode_option): Remove.
1139 (lang_init_options): Rename c_init_options.
1140 * toplev.c (main): Use lang_hooks for lang_init_options
1141 and lang_decode_option.
1142 * toplev.h (lang_hooks): Add 2 new hooks.
1143 * tree.h: Remove lang_init_options and lang_decode_option.
1144 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1145 * cp/decl2.c: Similarly.
1146 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1147 (lang_hooks): Update.
1148 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1150 (lang_init_options): Rename ffe_init_options.
1151 (lang_hooks): Update.
1152 (lang_decode_option): Remove.
1153 * java/lang.c (lang_init_options): Rename java_init_options.
1154 (lang_decode_option): Rename java_decode_option.
1155 (lang_hooks): Update.
1156 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1157 (lang_decode_option): Rename objc_decode_option.
1158 (lang_hooks): Update.
1160 2001-01-09 Nick Clifton <nickc@redhat.com>
1162 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1163 (d30v_return_addr_rtx): Delete.
1164 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1165 cfun->machine structure.
1166 (struct machine_function): Move to d30v.h
1167 (d30v_save_machine_status): Delete.
1168 (d30v_restore_machine_status): Delete.
1169 (d30v_init_machine_status): New Function.
1170 (d30v_mark_machine_status): New Function.
1171 (d30v_free_machine_status): New Function.
1172 (d30v_init_expanders): Use new functions.
1173 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1174 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1175 d30v_return_addr_rtx.
1177 * config/d30v/d30v.h (struct_machine): Move here.
1178 Add eh_epilogue_sp_ofs field.
1180 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1181 field in cfun->machine structure.
1183 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1185 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1186 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1187 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1189 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1191 * objc/lang-options.h: Remove bogus reference to
1194 2001-01-09 Kazu Hirata <kazu@hxi.com>
1196 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1199 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1201 * reload.c (find_reloads_address): Check for eliminable registers
1202 when substituting a constant expression for a pseudo.
1204 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1206 * c-common.c (enum format_type): Add format_type_error.
1207 (decode_format_type): New function.
1208 (decl_attributes): Use it.
1209 (format_kind_info): Adjust comment.
1211 2001-01-09 David O'Brien <obrien@BSDi.com>
1213 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1214 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1216 * config/i386/gnu.h: Don't include required platform specific .h files,
1217 tm.h will do it instead.
1218 * config/i386/i386elf.h: Likewise.
1219 * config/i386/linux.h: Likewise.
1220 * config/i386/moss.h: Likewise.
1221 * config/mips/gnu.h: Likewise.
1223 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1225 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1226 (rs6000-ibm-aix3.[01]*): Likewise.
1227 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1228 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1229 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1230 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1231 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1232 (powerpc-*-eabiaix*): Likewise.
1233 (powerpc-*-eabisim*): Likewise.
1234 (powerpc-*-elf*): Likewise.
1235 (powerpc-*-eabi*): Likewise.
1236 (powerpc-*-rtems*): Likewise.
1237 (powerpc-*-linux*libc1): Likewise.
1238 (powerpc-*-linux*): Likewise.
1239 (powerpc-wrs-vxworks*): Likewise.
1240 (powerpcle-wrs-vxworks*): Likewise.
1241 (powerpcle-*-sysv*): Likewise.
1242 (powerpcle-*-elf*): Likewise.
1243 (powerpcle-*-eabisim*): Likewise.
1244 (powerpcle-*-eabi*): Likewise.
1245 (powerpcle-*-solaris2*): Likewise.
1246 * config/rs6000/aix31.h: Delete includes.
1247 * config/rs6000/aix3newas.h: Likewise.
1248 * config/rs6000/aix41.h: Likewise.
1249 * config/rs6000/aix43.h: Likewise.
1250 * config/rs6000/beos.h: Likewise.
1251 * config/rs6000/rtems.h: Likewise.
1252 * config/rs6000/sysv4.h: Likewise.
1254 2001-01-09 Kazu Hirata <kazu@hxi.com>
1256 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1257 Change an argument mode of machine_mode to shift_mode of
1258 shift_mode. Remove an extra error check.
1259 (emit_a_shift): Adopt to the new calling prototype of
1261 (function_prologue): Fix code for a monitor
1262 function. Support H8/S.
1263 (function_epilogue): Do not output pop for a monitor function.
1265 2001-01-09 Nick Clifton <nickc@redhat.com>
1267 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1268 (setup_incoming_varargs): Use sysv_varargs_p field of the
1269 cfun->machine structure.
1270 (struct machine_function): Move to rs6000.h
1271 (rs6000_save_machine_status): Delete.
1272 (rs6000_restore_machine_status): Delete.
1273 (rs6000_init_machine_status): New Function.
1274 (rs6000_free_machine_status): New Function.
1275 (rs6000_init_expanders): Use new functions.
1277 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1279 (struct machine_function): Move here.
1281 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1282 sysv_varargs_p field of the cfun->machine structure.
1284 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1286 (rs6000_restore_machine_status): Remove prototype.
1288 2001-01-09 Richard Henderson <rth@redhat.com>
1290 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1291 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1292 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1293 (sched_analyze_2, sched_analyze_insn): Likewise.
1294 (sched_analyze, init_deps): Likewise.
1295 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1296 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1297 (compute_block_backward_dependences): Update propagate_deps call.
1299 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1301 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1303 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1305 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1306 (cpp_handle_option): Handle them.
1307 (cpp_post_options): Ensure one of -M or -MM is specified with
1308 any other -M? option.
1309 (init_dependency_output): Suppress output with -MG.
1311 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1314 * invoke.texi: Update.
1316 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1318 * sh.md (reload_outsf): Generate recognizable patterns for
1321 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1323 * c-lang.c (lang_hooks): Update.
1324 (lang_init): Rename c_init.
1325 (lang_finish): Remove.
1326 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1328 * toplev.h (lang_hooks): Add init () and finish ().
1329 * tree.h (lang_init, lang_finish): Remove.
1330 * cp/tree.h (lang_init, lang_finish): Remove.
1331 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1332 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1334 (lang_init, lang_finish): Remove.
1335 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1336 (lang_hooks): Update.
1337 * java/lang.c (lang_init): Rename java_init.
1338 (lang_finish): Remove.
1339 (lang_hooks): Update.
1340 * objc/objc-act.c (lang_init): Rename objc_init.
1341 (lang_finish): Remove.
1342 (lang_hoooks): Update.
1344 20001-01-09 Graham Stott <grahams@redhat.com>
1346 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1347 after `ptr` is initialised.
1349 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1351 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1352 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1353 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1354 stack adjusts, instead of r3.
1356 2001-01-09 Michael Hayes <mhayes@redhat.com>
1358 * flow.c (flow_loop_scan): Break out of ...
1359 (flow_loops_find) ... here.
1360 * basic-block.h (flow_loop_scan): New.
1361 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1362 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1364 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1366 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1368 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1369 realloc()ing macro_buffer.
1371 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1372 if it's wider than long and the target's long is wider than the
1375 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1377 Remove support for using UWIN as a host machine.
1378 * configure.in: Issue an error message.
1379 * configure: Regenerated.
1380 * config.gcc: Remove xm_* UWIN configury.
1381 * config/i386/xm-uwin.h: Remove.
1383 2001-01-08 Nick Clifton <nickc@redhat.com>
1385 * config/v850/v850.c (ra_rtx): Delete.
1386 (v850_save_machine_status): Delete.
1387 (v850_restore_machine_status): Delete.
1388 (v850_init_machine_status): New function.
1389 (v850_mark_machine_status): New function.
1390 (v850_free_machine_status): New function.
1391 (v850_return_addr): Use ra_rtx field in machine structure.
1392 (v850_init_expanders): Use new functions.
1394 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1395 * config/v850/v850.c: Change arguments to v850_output+* functions
1396 to take a const char *, to avoid compile time warning.
1397 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1398 (USER_LABEL_PREFIX): Redefine.
1400 2000-01-08 Jim Wilson <wilson@redhat.com>
1402 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1403 1 to unsigned HOST_WIDE_INT before left shift.
1405 2001-01-08 Nick Clifton <nickc@redhat.com>
1407 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1408 the machine structure has been allocated.
1409 (arm_free_machine_status): New function: Free the machine
1410 specific function structure.
1412 2001-01-08 Richard Henderson <rth@redhat.com>
1414 * jump.c (simplejump_p): Revert last change.
1416 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1418 * cppinit.c (init): Rename init_library.
1419 (cpp_create_reader): Update.
1420 * gcc.c (cpp_options): If -o given, use it as the target of
1423 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1425 * arm.c (arm_arch5e): New variable.
1426 (all_cores): XScale is a 5TE device.
1427 (arm_override_options): Set arm_arch5e.
1428 (arm_init_builtins): __builtin_prefetch is in arch5e.
1429 * arm.h (arm_arch5e): Declare it.
1431 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1433 * arm.md (define_constants): Add defines for UNSPEC and
1434 UNSPEC_VOLATILE insns. Update all users.
1435 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1436 * arm.c (multi_register_push, note_invalid_constants)
1437 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1438 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1439 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1441 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1443 * jump.c (jump_optimize_1): Use reversed_comparison_code
1444 instead of can_reverse_comparison_p.
1445 (jump_back_p): Likewise.
1446 (invert_exp_1): Likewise.
1447 (thread_jumps): Likewise.
1448 * simplify-rtx.c (simplify_unary_operation): Likewise.
1449 (simplify_ternary_operation): Likewise.
1450 * cse.c (find_comparison_args): Convert to use
1451 can_reverse_comparison_p.
1452 (record_jump_equiv): Likewise.
1454 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1456 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1457 (EPILOGUE_USES): Define.
1458 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1459 automatically stack the LR if it isn't live.
1461 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1463 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1466 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1468 * ggc-page.c (max_alignment): New structure.
1469 (MAX_ALIGNMENT): New macro.
1470 (init_ggc): Use it to round up the sizes in the
1471 extra_order_size_table.
1473 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1475 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1478 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1480 * builtins.def (BUILT_IN_FPRINTF): New entry.
1482 * c-common.c (c_expand_builtin_fprintf): New function.
1483 (init_function_format_info): Handle __builtin_fprintf.
1484 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1485 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1487 * c-decl.c (duplicate_decls): Adjust comment.
1489 * extend.texi (fprintf): Document new builtin.
1491 2001-01-07 Richard Henderson <rth@redhat.com>
1493 * jump.c (simplejump_p): Recognize any single_set jump
1496 2001-01-07 Richard Henderson <rth@redhat.com>
1498 * configure.in (slibdir): Accept an --with-slibdir option.
1499 Use "test" not "[" in configure. Default to $(libdir).
1501 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1503 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1504 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1505 (SHLIB_LINK): Create links for the soname.
1506 * config/mips/t-iris6: Likewise.
1507 * config/sparc/t-slibgcc: Likewise.
1508 * config/sparc/t-slibgcc-sld: Likewise.
1510 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1512 * config/i386/i386.c (constant_call_address_operand): Accept
1513 (const (plus (symbol_ref) (const_int))).
1514 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1515 constant_call_address_operand.
1517 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1519 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1520 and LONG_LONG_TYPE_SIZE > 32.
1522 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1524 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1525 the previous change.
1527 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1529 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1531 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1532 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1533 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1536 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1538 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1540 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1542 * c-lang.c (c_post_options): Call cpp_post_options.
1543 * objc/objc-act.c (objc_post_options): Similarly.
1544 * cppmain.c (main): Similarly.
1545 * fix-header.c (read_scan_file): Similarly.
1546 * cppinit.c (cpp_start_read): Move option consistency checks
1547 to cpp_post_options. Don't call init_dependency_output.
1548 If needed, add default target and main file dependency.
1549 (OPT_MD, OPT_MMD): Remove.
1551 (cpp_handle_option): Update for OPT_* changes.
1552 (cpp_post_options): New.
1553 (init_dependency_output): Command line -MF overrides environment
1554 variables. Don't set default target etc. Suppress output
1555 if dependencies are going to stdout.
1556 (print_help): Update.
1557 * cpplib.h (cpp_post_options): New.
1558 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1560 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1562 * jump.c (comparison_dominates_p): Support unordered compares.
1564 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1566 * simplify-rtx.c (simplify_relational_operation): Always simplify
1567 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1570 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1572 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1573 (nonzero_bits): Likewise.
1574 (simplify_comparison): Likewise.
1575 (num_sign_bit_copies): Likewise; return more sane value depending
1576 on STORE_FLAG_VALUE.
1577 (known_cond): Do not assume EQ to be always true for equivalent
1580 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1582 * cse.c (fold_rtx): Handle unordered comparisons.
1584 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1586 * rtlanal.c (set_of_1): New static function.
1587 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1588 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1589 reg_set_last_last_regno): Remove.
1590 (set_of): New global function.
1591 (set_of_data): New structure.
1592 (reg_set_p, reg_set_last): Revamp for set_of.
1593 * rtl.h (set_of): New.
1595 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1597 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1598 * extend.texi: Document _Exit builtin.
1600 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1602 * (initialize, initialize_builtins,
1603 initialize_dependency_output, initialize_standard_includes):
1604 Rename s/initialize/init. Update.
1605 (init_dependency_output): Move to after
1606 cpp_handle_options, the correct location temporally at least.
1607 (opt_comp): Move next to init (), its caller. Fix prototype.
1608 (init): Make "initialized" local scope.
1609 (cpp_create_reader): Always call init ().
1610 (cpp_start_read): Update.
1611 (output_deps): New function, broken out of cpp_finish.
1612 (cpp_finish): Break out output_deps.
1614 2001-01-07 Richard Henderson <rth@redhat.com>
1616 * collect2.c (COFF specific stuff): Revert 12-06 patch
1617 to prototype system functions.
1619 2001-01-07 Michael Hayes <mhayes@redhat.com>
1621 * hard-reg-set.h: Add multiple include guard.
1622 * basic-block.h (struct loop): Add `sink' field.
1623 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1624 (emit_iv_add_mult): Delete.
1625 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1626 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1627 (unroll_loop): Remove end_insert_before argument.
1628 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1629 (maybe_eliminate_biv_1): Likewise.
1630 (emit_iv_add_mult): Delete.
1631 (gen_add_mult, loop_regs_update): New.
1632 (loop_insn_emit_after, loop_insn_emit_before): New.
1633 (loop_insn_sink, loop_insn_sink_or_swim): New.
1634 (emit_iv_add_mult): Delete.
1635 (scan_loop): Set loop->sink.
1636 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1637 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1638 (maybe_eliminate_biv_1): Likewise.
1639 (maybe_eliminate_biv_1): Add basic block argument.
1640 * unroll.c (unroll_loop): Remove end_insert_before argument.
1641 (find_splittable_regs): Likewise.
1642 (find_splittable_regs): Use loop_insn_sink and its ilk.
1643 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1645 2001-01-07 Michael Hayes <mhayes@redhat.com>
1647 * loop.h (loop_insn_hoist): New prototype.
1648 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1649 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1650 (check_dbra_loop, load_mems): Likewise.
1651 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1652 (find_splittable_givs): Likewise.
1654 2001-01-07 Michael Hayes <mhayes@redhat.com>
1656 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1658 2001-01-07 Richard Henderson <rth@redhat.com>
1660 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1662 2001-01-07 Richard Henderson <rth@redhat.com>
1664 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1665 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1666 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1667 variant that handles a shared libgcc.
1668 (process_command): Always validate -{static,shared}-libgcc.
1669 (do_spec_1): New 'M' case.
1670 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1672 2001-01-07 Richard Henderson <rth@redhat.com>
1674 * Makefile.in (slibdir): New variable.
1675 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1676 (installdirs): Create slibdir.
1677 (install-libgcc, install-multilib): Defer to libgcc.mk.
1678 * configure.in (slibdir): Substitute.
1679 * mklibgcc.in (install): New target.
1681 * config/t-linux (SHLIB_LINK): Create links for the soname.
1682 (SHLIB_INSTALL): New.
1683 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1684 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1685 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1686 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1687 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1689 2001-01-07 Richard Henderson <rth@redhat.com>
1691 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1692 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1693 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1695 2001-01-07 Michael Hayes <mhayes@redhat.com>
1697 * loop.c (count_loop_regs_set): Delete.
1698 (load_mems_and_recount_loop_regs_set): Delete.
1699 (loop_regs_scan): Merge common code from count_loop_regs_set,
1700 scan_loop, and load_mems_and_recount_loop_regs_set.
1701 (scan_loop): Call load_mems directly and loop_regs_scan
1702 again if new registers created.
1704 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1706 * toplev.c (main): Call the front-end specific post_options
1707 hook if one is given.
1708 * toplev.h (struct_lang_hooks, lang_hooks): New.
1709 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1710 for the C front end.
1711 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1712 lang_hooks for the C++ front end.
1713 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1714 lang_hooks for the ObjC front end.
1715 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1716 * java/lang.c (lang_hooks): Hooks for the Java front end.
1718 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1720 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1721 for verbose DWARF[2] debugging.
1722 (cb_define, cb_undef): The new callbacks.
1723 * toplev.h (debug_define, debug_undef): Make const correct.
1724 * toplev.c (debug_define, debug_undef): Similarly. Do not
1725 perform the verbosity tests here anymore.
1727 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1729 * reload.c (subst_reloads): Take INSN argument. When
1730 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1731 * reload.h (subst_reloads): Adjust prototype.
1732 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1733 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1734 present in JUMP_INSNs and copy them to JUMP_LABEL.
1735 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1736 JUMP_INSNs and insns with REG_LABELs that are followed by
1737 JUMP_INSNs with the same REG_LABEL.
1738 * sched-rgn.c (is_cfg_nonregular): Likewise.
1739 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1741 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1743 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1745 2001-01-06 Richard Henderson <rth@redhat.com>
1747 * loop.c (scan_loop): Use xcalloc for the regs array.
1748 (load_mems_and_recount_loop_regs_set): Zero the new memory
1749 received from xrealloc.
1751 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1753 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1755 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1757 * integrate.c (copy_rtx_and_substitute): When copying
1758 an ignored return value, strip REG_FUNCTION_VALUE_P.
1760 2001-01-06 Michael Hayes <mhayes@redhat.com>
1762 * loop.c (debug_biv, debug_giv): New.
1763 (loop_biv_dump): Break out from ...
1764 (record_biv): ... here.
1765 (loop_giv_dump): Break out from ...
1766 (record_giv): ... here.
1767 (loop_bivs_check): Use print_simple_rtl.
1768 * unroll.c (loop_iterations): Use print_simple_rtl.
1770 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1772 * pa.md (return, return_internal): Modify patterns to prevent regrename
1773 mucking with the return pointer.
1775 2001-01-05 Richard Henderson <rth@redhat.com>
1777 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1779 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1781 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1782 version supplied by Matteo Frigo.
1784 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1786 * cpp.texi: Update for -MQ.
1787 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1788 (cpp_cleanup): Always free pfile->deps.
1789 (initialize_dependency_output): Don't create pfile->deps.
1790 (cpp_handle_option): Similarly.
1792 * gcc.c (cpp_options): Handle -MQ.
1793 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1794 * mkdeps.c (base_name): Remove.
1795 (deps_init): Don't allocate vector space until it's needed.
1796 (deps_free): Only free vectors if allocated.
1797 (deps_add_target, deps_add_dep): Update for initial allocation.
1798 (deps_add_default_target): Don't strip to the base_name.
1800 2001-01-05 DJ Delorie <dj@redhat.com>
1802 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1803 (INIT_EXPANDERS): Define.
1805 * config/v850/v850.c (struct machine_function): Define.
1806 (v850_save_machine_status): New function.
1807 (v850_restore_machine_status): New function.
1808 (v850_return_addr): New function.
1809 (v850_init_expanders): New function.
1811 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1812 and v850_init_expanders.
1814 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1816 * cpplib.h (struct cpp_reader): Add help_only field.
1817 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1818 (cpp_handle_option): Set pfile->help_only if we see -h,
1819 --help, -target-help, or --version. Print version string but
1820 do not set help_only if we see -v or -version. Make text
1821 printed by -v match that printed by (-)-version.
1823 * cppmain.c (main): Exit after option parsing if
1824 pfile->help_only is true.
1826 * toplev.c (independent_decode_option): Call print_version,
1827 then exit, if we see --version (but not -version).
1828 (print_version): Split lengthy message into two lines.
1830 2001-01-05 Nick Clifton <nickc@redhat.com>
1832 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1833 temporary string for initialisation before calling ggc_alloc_string.
1835 2001-01-06 Michael Hayes <mhayes@redhat.com>
1837 * rtl.h (print_simple_rtl): New.
1838 * print-rtl.c (print_simple_rtl): New.
1840 (print_rtx): Disable printing of flags and modes, etc.,
1841 if `flag_simple` nonzero.
1843 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1845 * function.c (fixup_var_refs): Use push_to_full_sequence where
1848 2001-01-05 Michael Meissner <meissner@redhat.com>
1850 * flags.h (flag_reorder_blocks): Add declaration.
1851 (flag_rename_block): Ditto.
1853 2001-01-05 DJ Delorie <dj@redhat.com>
1855 * function.c (reorder_blocks): Make sure the flags are all reset
1856 before using them to mark blocks, else a second invocation will
1857 corrupt the block chain.
1858 (reorder_blocks_0): New, resets the flags.
1860 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1862 * cse.c (find_comparison_args): Stop if the argument is known to
1865 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1867 * config/sh/sh.md (movdf): When splitting load into pair of
1868 registers, don't clobber the register used in the address too
1871 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1873 * varasm.c (mark_constant_pool): Improve initial comments.
1874 (mark_constants): Move marking of constants to mark_constant.
1875 (mark_constant): New function to recursively mark all constants
1876 referred to by a constant.
1878 2001-01-05 Catherine Moore <clm@redhat.com>
1880 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1882 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1884 * cp/lang-options.h: Bring comment in line with reality.
1885 * f/lang-options.h: Likewise.
1886 * java/lang-options.h: Likewise.
1887 * objc/lang-options.h: Likewise.
1888 * ch/lang-options.h: Likewise.
1889 * f/g77.texi: And update the manual.
1891 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1892 Denis Chertykov <denisc@overta.ru>
1894 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1895 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1896 * config/avr/avr.md (all peepholes that request a scratch register):
1897 Call it, FAIL the peephole if not safe (in interrupt functions).
1899 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1901 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1903 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1905 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1907 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1908 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1909 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1910 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1911 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1913 * extend.texi: Document these builtins.
1915 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1917 * c-common.c (lang_get_alias_set): Say we know nothing of
1918 VECTOR_TYPE aliasing.
1920 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1922 2001-01-05 Bruce Korb <bkorb@gnu.org>
1924 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1925 their x* equivalent versions for atexit-less systems
1926 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1927 systems (or any other system any more).
1929 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1931 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1932 output operands. Use arm_hard_register_operand for operand 4.
1933 (stmsi_postinc): Similarly.
1934 (ldmsi): Use arm_hard_register_operand for opernand 2.
1936 * arm.c (arm_hard_register_operand): New function.
1937 * arm-protos.h (arm_hard_register_operand): Prototype it.
1939 * arm.h (HARD_REGNO_RENAME_OK): Define.
1941 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1943 * simplify-rtx.c (cfc_args): add "unordered" field.
1944 (check_fold_consts): Set unordered field.
1945 (simplify_relational_operation): Simplify the unordered
1948 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1951 * emit-rtl.c (try_split): Fix code to mark labels.
1952 * jump.c (mark_jump_label): Make global.
1953 * rtl.h (mark_jump_label): Declare.
1955 * predict.c (estimate_probability): Handle unordred comparisons.
1957 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1959 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1960 * cppinit.c (initialize_dependency_output): Update.
1961 (cpp_finish): Output dummy targets for -MP.
1963 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1964 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1965 * gcc.c (cpp_options): Update to handle -MP.
1966 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1967 to quote only the default target.
1968 (deps_phony_targets): Insert a preceding newline. Rename from
1969 deps_dummy_targets for consistency.
1972 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1974 * calls.c (emit_library_call_value_1): Support
1975 INIT_CUMULATIVE_LIBCALL_ARGS.
1976 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1978 2001-01-04 Richard Henderson <rth@redhat.com>
1980 * c-decl.c (finish_struct): Detect flexible array members
1981 used in an inappropriate context.
1982 * c-typeck.c (really_start_incremental_init): Special case
1983 constructor_max_index for zero length arrays.
1984 (pop_init_level): Allow initialization of flexible array
1985 members. Deprecate initialization of zero length arrays.
1986 Don't issue missing initializer warning for flexible array
1987 members or zero length arrays.
1988 (process_init_element): Don't dereference null DECL_SIZE.
1989 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1990 Don't abort for empty constructors. Use size_binop
1991 (output_constructor): Add commentary regarding zero length
1992 array futures. Abort if we try to initialize an array of
1993 unspecified length with a non-empty constructor in the middle
1996 * extend.texi (Zero Length): Update and clarify documentation
1997 on static initialization.
1999 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2001 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2002 with more than 32767 words of local storage.
2004 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2006 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2007 for 'abs', 'labs', and 'fabs'.
2008 (c4x_expand_builtin): Likewise.
2009 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2011 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2013 * config/sh/sh.md (prget, prset): New insn types.
2014 (return delay slot): Dont' allow prset.
2015 (call, sfunc delay slot): Don't allow prget.
2016 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2017 for prset and prget.
2019 2001-01-05 Michael Hayes <mhayes@redhat.com>
2021 * loop.h (struct loop_reg): New.
2022 (struct loop_regs): Change to use array of `struct loop_reg'.
2023 * loop.c: Replace assortment of varrays with single regs array.
2024 (count_one_set): Delete may_not_move array argument
2025 and use regs array instead. All caller's changed.
2026 (count_loop_regs_set): Delete may_not_move and single_usage
2027 arguments and use regs array instead. All caller's changed.
2028 (find_single_use_in_loop): Replace usage array argument with pointer
2029 to regs structure. All caller's changed.
2030 (loop_optimize): Delete `moved_once' array.
2032 2001-01-05 Michael Hayes <mhayes@redhat.com>
2034 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2035 Use it instead of loop_info->has_call for scanning loop mems.
2036 (check_dbra_loop): Replace loop_info->has_call test with
2037 loop_info->has_nonconst_call.
2039 2000-01-04 Matthew Hiller <hiller@redhat.com>
2041 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2044 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2046 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2047 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2049 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2051 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2052 (flag_short_double, flag_short_wchar): Define.
2053 (c_common_nodes_and_builtins): Create many tree nodes shared
2054 between C and C++ here instead of in cp/decl.c and ...
2055 * c-decl.c (init_decl_processing): ... here.
2056 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2057 (flag_short_double, flag_short_wchar): Don't define.
2058 (record_builtin_type): New function.
2059 (build_void_list_node): New function.
2060 * c-common.h (flag_short_double, flag_short_wchar,
2061 record_builtin_type, build_void_list_node): Declare.
2063 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2065 * integrate.c (expand_inline_function): Don't put a virtual
2066 register into the reg map.
2068 * function.c (fixup_var_refs_1): If force_operand didn't put
2069 the address into the target, move it there.
2071 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2073 Special-case tree_decl/tree_list allocations.
2074 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2075 (OBJECT_SIZE): New macro.
2076 (NUM_EXTRA_ORDER): Likewise.
2077 (extra_order_size_table): New variable.
2078 (NUM_ORDERS): New macro.
2079 (objects_per_page_table): New variable.
2080 (object_size_table): New variable.
2081 (G.pages): Use NUM_ORDERS to bound the array.
2082 (G.page_tails): Likewise.
2083 (DIV_ROUND_UP): Remove.
2084 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2085 (alloc_page): Use OBJECT_SIZE.
2086 (size_lookup): Don't make it const.
2087 (ggc_alloc): Use OBJECT_SIZE.
2088 (ggc_set_mark): Likewise.
2089 (ggc_get_size): Likewise.
2090 (init_ggc): Set up the object_size_table, objects_per_page_table,
2091 and adjust size_lookup.
2092 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2093 (ggc_pop_context): Use NUM_ORDERS.
2094 (clear_marks): Likewise.
2095 (sweep_pages): Likewise.
2096 (poison_pages): Likewise.
2097 (ggc_print_statistics): Use OBJECT_SIZE.
2099 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2101 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2102 Only call array_size_for_constructor if last field and array type
2103 with no upper bound.
2105 2001-01-04 Philip Blundell <philb@gnu.org>
2107 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2108 from bit 31 downwards, if this requires no more insns.
2109 (count_insns_for_constant): New helper function for above.
2111 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2113 * gencodes.c (output_predicate_decls): Remove empty initializer.
2115 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2117 * tree.c (copy_node): Remove documentation about obstacks.
2118 (buidl1): Check that nobody tries to build 2-argument nodes this
2121 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2123 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2126 * gencodes.c (output_predicate_decls): Fill empty initializer
2129 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2131 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2132 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2134 (do_include): Handle missing headers like cpp0.
2135 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2136 paths with first include pathname. Don't strcat to uninitialized
2139 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2141 * regrename.c (regrename_optimize): Don't rename from frame pointer
2142 if frame_pointer_needed.
2143 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2144 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2145 (ia64_reorg): Use it instead of scheduling if ! optimize.
2146 (errata_emit_nops): Properly call asm_noperands.
2147 (ia64_sched_reorder): Finish cycle if we see an asm.
2148 (ia64_variable_issue): Clear scheduling state after asms.
2150 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2152 * cpp.texi: Update for -MT.
2153 * cppinit.c (initialize_dependency_output): Add a default
2154 target if none has been given already.
2155 (no_tgt, OPT_MT): New.
2156 (cpp_handle_option): Handle -MT. Update -M etc.
2157 * cpplib.h (struct cpp_options): Remove deps_target.
2158 * gcc.c (cpp_options): Handle -MT.
2159 * mkdeps.c (struct deps): Move from mkdeps.h.
2160 (deps_calc_target): Rename deps_add_default_target. Add a
2161 default target if none has been specified already.
2162 * mkdeps.h (struct deps): Move to mkdeps.c.
2163 (deps_calc_target): Rename deps_add_default_target.
2165 2000-01-03 Richard Henderson <rth@redhat.com>
2167 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2169 * c-typeck.c (push_init_level): Move checks for flexible array
2170 members and zero length arrays ...
2171 (pop_init_level): ... here. Silently discard empty initializations.
2173 * varasm.c (output_constructor): Update for sizeof change to
2176 * extend.texi (Zero Length): Clarify semantics.
2178 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2180 * configure.in (tm.h): Include isns-codes.h last.
2181 * configure: Rebuilt.
2183 2001-01-03 Richard Henderson <rth@redhat.com>
2185 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2186 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2188 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2190 * tradcpp.c (main): Make sure finclude() is called with a valid
2191 indepth value while handling -include.
2193 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2195 * gencodes.c (output_predicate_decls): New function.
2197 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2198 even if it is not the first time machmode.h is #included.
2199 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2200 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2201 * gcc.texi (Copyright): Added 2001.
2203 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2205 * c-common.c (c_common_lang_init): New function. Warn if format
2206 warning options which only have effects when used with -Wformat
2207 are used without -Wformat.
2208 * c-common.h (c_common_lang_init): Declare.
2209 * c-lang.c (lang_init): Call c_common_lang_init.
2210 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2212 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2214 * configure.in: Check for the mktemp command.
2215 * configure: Regenerate.
2216 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2217 $TEMP. Create temporary files with mktemp, if available at
2218 configure time; otherwise use set -C. Remove temporary files
2221 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2223 * configure.in: Require at least texinfo 4.0. Check for whether
2224 Pod::Man is sufficiently recent to regenerate GCC manpages.
2225 * configure: Regenerate.
2226 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2228 (GENERATED_MANPAGES): Define.
2229 (generated-manpages): New target. Depend on cpp.1 as well as
2231 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2232 configure to generated-manpages or empty) rather than on the
2233 manpages directly. Remove execute permission from installed
2234 gcov.1 as well as cpp.1.
2235 * cpp.1, gcov.1: Regenerate.
2237 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2239 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2240 tree_low_cst. Allow using cmpstrsi in more cases.
2242 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2244 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2247 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2249 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2250 * Makefile.in (HOST_CFLAGS): Mention build-make.
2252 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2254 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2257 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2259 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2262 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2265 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2266 reg_base_value and reg_known_value arrays.
2267 (init_alias_analysis): Add more cases to detect known values.
2268 * sched-deps.c (deps_may_trap_p): New function.
2269 (sched_analyze_2): Use it.
2271 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2273 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2274 don't discard an ASHIFTRT if we're shifting in a wider mode.
2276 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2278 * toplev.c (rest_of_compilation): Don't print basic block information
2279 when CFG isn't up to date.
2281 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2283 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2284 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2285 (UNALIGNED_SHORT_ASM_OP): Define.
2286 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2288 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2290 * fold-const.c (fold_convert): Fix typo.
2292 2001-01-02 Richard Henderson <rth@redhat.com>
2294 * c-common.h (ASM_INPUT_P): New.
2295 * c-parse.in (asm): Set it when needed.
2296 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2297 existance of an operand.
2299 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2301 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2302 (dwarf2out_frame_debug_expr): Likewise.
2303 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2305 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2307 * i386.c (ix86_split_to_parts): Return number of part required;
2309 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2311 (ix86_split_long_move): Use number of part returned
2312 by ix86_split_to_parts
2313 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2315 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2316 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2317 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2318 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2319 (ALIGN_MODE_128): Add TFmode.
2320 (IS_STACK_MODE): Likewise.
2321 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2322 (HARD_REGNO_OK): Support TFmodes.
2323 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2324 * i386.md (scheduler definitions): Use memory operand to determine
2325 fst/fld instructions; use mode attribute to determine real mode of
2327 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2328 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2330 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2332 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2334 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2336 * expr.c (store_constructor_field): Update ALIGN before calling
2339 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2341 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2344 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2346 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2349 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2351 * c-decl.c (start_function): Don't warn on third parameter to main.
2353 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2355 * tsystem.h: Define HAVE_DECL_GETOPT.
2357 2001-01-02 Philip Blundell <pb@futuretv.com>
2359 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2362 2001-01-02 Richard Henderson <rth@redhat.com>
2364 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2366 2001-01-02 Andreas Jaeger <aj@suse.de>
2368 * c-decl.c (c_decode_option): Remove support of
2371 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2372 (W_options): Add -Wmissing-noreturn here.
2374 * flow.c: Define lang_missing_noreturn_ok_p.
2375 (check_function_return_warnings): Use it.
2377 * c-common.h: Declare lang_missing_noreturn_ok_p.
2379 * c-lang.c (c_missing_noreturn_ok_p): New function.
2380 (lang_init): Set lang_missing_noreturn_ok_p.
2382 * invoke.texi (Warning Options): Document this.
2384 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2386 * extend.texi (C++ Extensions): New node for C++ attributes;
2387 describe init_priority and com_interface.
2388 * invoke.texi: Remove -finit-priority as it now has zero effect.
2389 * install.texi: Fix xref syntax.
2390 * md.texi: Likewise.
2392 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2394 * config.gcc (sparc64-wrs-vxworks*): New case.
2395 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2397 * config/sparc/sparc.c (sparc_override_options): Do support different
2398 pointer and architecture size.
2399 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2400 (POINTERS_EXTEND_UNSIGNED): Define.
2401 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2402 (FUNCTION_MODE): Define to be Pmode.
2403 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2405 * function.c (expand_function_end): Properly handle DECL_RESULT
2406 and copy when ptr_mode != Pmode.
2407 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2409 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2411 * c-common.c (c_common_nodes_and_builtins): Set prototype
2412 parameters for __builtin_fputs, __builtin_fputc and
2413 __builtin_fwrite. Don't declare plain fputc as a builtin.
2415 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2417 * loop.c (add_label_notes): Increment the label usage count when
2418 a note is added to an insn which refers to a CODE_LABEL.
2419 * gcse.c (add_label_notes): Likewise.
2421 2001-01-01 Andreas Jaeger <aj@suse.de>
2423 * loop.c (scan_loop): Use xmalloc to allocate movables.
2425 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2427 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2428 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2429 * reload1.c (REGISTER_MOVE_COST): Likewise.
2430 * regclass.c (REGISTER_MOVE_COST): Likewise.
2431 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2432 dimension. Adjust all users.
2433 (init_reg_sets_1): Iterate on all modes.
2434 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2435 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2436 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2437 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2438 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2439 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2440 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2441 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2442 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2443 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2444 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2445 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2446 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2447 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2448 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2449 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2450 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2451 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2452 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2453 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2454 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2455 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2456 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2457 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2458 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2459 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2460 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2462 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2464 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2465 arg VARIES_P. Call it with extra arg.
2466 (true_dependence): Likewise.
2467 * rtl.h (rtx_addr_can_trap_p): Declare.
2468 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2470 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2471 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2472 pic offset table register if it's zero. All callers changed.
2473 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2475 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2477 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2478 STRING_POOL_ADDRESS_P.
2480 * config/sparc/sparc.c (input_operand): Properly test for short op.
2482 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2483 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2484 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2485 * config/sparc/elf.h: No longer include sol2.h.
2486 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2487 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2489 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2491 2001-01-01 Michael Hayes <mhayes@redhat.com>
2493 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2494 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2495 (record_initial): Likewise.
2496 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2497 (remap_split_bivs): Likewise.
2499 2001-01-01 Michael Hayes <mhayes@redhat.com>
2501 * loop.c (loop_ivs_free): New function.
2502 (strength_reduce): Break out from...
2504 2001-01-01 Michael Hayes <mhayes@redhat.com>
2506 * loop.h (struct iv): New.
2507 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2508 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2509 'reg_biv_class' fields with 'regs' and 'n_regs'.
2510 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2511 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2512 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2514 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2516 * resource.c (mark_referenced_resources): Abort() before
2517 attempting to mark a pseudo register.
2518 (mark_set_resources): Likewise.
2520 2001-01-01 Michael Hayes <mhayes@redhat.com>
2522 * loop.h (REG_IV_CLASS): New accessor macro.
2523 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2524 * unroll.c (REG_IV_CLASS): Likewise.
2526 See ChangeLog.4 for earlier changes.
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