1 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
12 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
13 * configure, config.in: Regenerate.
14 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
15 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
16 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
17 (doprint.o): New rule.
19 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
21 * c-typeck.c (digest_init): Handle boolean types as scalars.
23 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
25 * stmt.c (expand_return): Don't return anything if size is zero.
26 Delete redundant assignment to BYTES.
27 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
29 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
31 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
32 the same as the default library function names.
33 * config/avr/avr.md: Document special characters after '%'.
34 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
35 knowing which of the call-used registers are really clobbered.
36 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
37 New. Both quotient and remainder from one libgcc.S call.
38 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
39 clobber as few registers as possible.
40 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
42 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
44 * cppmacro.c (funlike_invocation_p): Don't move back up to the
45 context of the top of the stack.
47 2001-01-20 Jakub Jelinek <jakub@redhat.com>
49 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
50 (fixup_var_refs_insns): ...here.
52 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
54 * function.c (fixup_var_refs_insns): Break up into
55 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
56 [loop over entire insn list], and fixup_var_refs_insns_with_hash
57 [loop over hash table entries].
58 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
59 fixup_var_refs_insns_with_hash, to match above changes.
61 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
63 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
65 (stmp-multilib): Likewise.
66 (STAGE2_FLAGS_TO_PASS): Likewise.
68 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
70 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
71 temporary if no_new_pseudos.
73 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
75 * cppinternals.texi: Update.
77 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
79 * arm.c (arm_init_builtins): Re-enable builtins.
81 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
83 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
84 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
85 element to be null, and always expect an EXPR_LIST.
86 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
87 * sched-deps.c (sched_analyze_1): Likewise.
88 * sched-rgn.c (check_live_1, update_live_1): Likewise.
90 * regclass.c (max_set_parallel): New variable.
91 (reg_scan): Take it into account in computation of max_parallel.
92 (reg_scan_mark_refs, case SET): Compute it.
94 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
96 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
97 * function.c (assign_parms): Use INTVAL for a CONST_INT.
99 2001-01-19 Jason Merrill <jason@redhat.com>
101 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
102 for the abstract instance of an inline function.
104 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
105 J"orn Rennecke <amylaar@redhat.com>
107 * reload1.c (move2add_note_store): Treat all registers directly or
108 indirectly derived from a base register as members of the same set
110 (reload_cse_move2add): Adjust accordingly. Take mode and offset
111 of base register into account.
113 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
115 * alias.c (find_base_value): Recognize TRUNCATE.
116 (record_set): In PLUS case, invalidate if other summand is also a
119 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
121 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
122 entry to be EXPR_LIST.
123 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
124 be an EXPR_LIST (but not null, which other code doesn't allow).
125 (note_stores): Properly handle PARALLEL in SET.
126 Recursively call for top-level PARALLEL.
127 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
128 * sched-rgn.c (check_live_1, update_live_1): Likewise.
130 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
132 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
134 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
135 not pfile->skipping (== 0).
137 2001-01-17 Nick Clifton <nickc@redhat.com>
139 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
142 2001-01-17 Jim Wilson <wilson@redhat.com>
144 * invoke.texi (IA-64 options): Improve.
146 2001-01-17 Tom Tromey <tromey@redhat.com>
148 * invoke.texi (Optimize Options): Use `{}' to around @samp
151 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
153 * invoke.texi (-fno-guess-branch-probability): New option.
155 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
157 * combine.c (try_combine): Don't set i3_subst_into_i2 for
158 case of making new double-word constant.
159 Revert last change: instead just test i3_subst_into_i2.
161 2001-01-17 Jakub Jelinek <jakub@redhat.com>
163 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
164 Use q constraints instead of r.
166 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
168 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
169 (machine_function): Define.
170 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
171 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
172 pa_free_machine_status): New functions.
173 (override_options): Set {init,mark,free}_machine_status to above.
174 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
175 PIC_OFFSET_TABLE_REGNUM_SAVED.
176 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
177 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
178 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
179 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
180 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
182 2001-01-15 DJ Delorie <dj@redhat.com>
184 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
188 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
190 * flow.c (propagate_on_insn): Make trying to delete a prologue
191 or epilogue insn an ICE, not a warning. Allow doing this if
192 the current function returns with stack pointer depressed.
194 * combine.c (try_combine): If i3_subst_into_i2, properly check for
195 I3 having more than one SET.
197 2001-01-16 Jim Wilson <wilson@redhat.com>
199 * invoke.texi: Document IA-64 options.
201 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
202 (fixup_errata): Delete TARGET_A_STEP use.
203 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
204 (TARGET_SWITCHES): Delete -ma-step option.
205 * config/ia64/ia64.md (all FP patterns): Delete %B0.
206 (movqicc_astep, movqi_internal_astep, movhicc_astep,
207 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
208 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
209 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
210 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
212 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
213 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
214 cmovsi_internal): Delete ! TARGET_A_STEP check.
216 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
218 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
219 possibility to report bugs via postal mail. Change a URL and
220 merge in a nearly duplicate statement...
221 (Bug Reporting): ...from here.
222 (Service): Refer to the Bug Reporting section instead of
224 (Contributing): Remove trivial explanations concerning snapshots.
226 2001-01-16 Alan Modra <alan@linuxcare.com.au>
228 * cppmain.c (general_init): Don't use ANSI prototype.
230 2001-01-16 Tom Tromey <tromey@redhat.com>
232 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
234 2001-01-16 Richard Henderson <rth@redhat.com>
236 * config/i386/i386.h: Fix comment typo.
237 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
238 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
240 2001-01-16 Phil Edwards <pme@sources.redhat.com>
242 * gcc.c: Revert previous -fsyntax-only-related change; move
245 2001-01-16 Jakub Jelinek <jakub@redhat.com>
247 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
248 inmode after checking GET_CODE (op).
250 2001-01-16 Richard Henderson <rth@redhat.com>
252 * flow.c (struct propagate_block_info): Add mem_set_list_len.
253 (MAX_MEM_SET_LIST_LEN): New.
254 (propagate_one_insn): Update mem_set_list_len.
255 (invalidate_mems_from_autoinc): Likewise.
256 (invalidate_mems_from_set): Likewise.
257 (mark_used_regs): Likewise.
258 (init_propagate_block_info): Likewise. Stop collecting memories
259 when we reach MAX_MEM_SET_LIST_LEN.
260 (mark_set_1): Likewise.
262 2001-01-16 Richard Henderson <rth@redhat.com>
264 * unroll.c (precondition_loop_p): Fail if no iteration
267 2001-01-16 Phil Edwards <pme@sources.redhat.com>
269 * gcc.c: When -fsyntax-only is given, do not complain about
272 2001-01-15 Richard Henderson <rth@redhat.com>
274 * config/i386/i386.c (asm_output_function_prefix): Remove.
275 (ix86_asm_file_end): New.
276 (load_pic_register): Generate pic_label_name into a
277 staticly allocated buffer.
278 * config/i386/i386-protos.h: Update.
279 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
281 * config/i386/i386afe.h: New file.
282 * config.gcc (i?86-*-elf) [tm_file]: Use it.
283 (i?86-*-{freebsd,linux*,moss*}): Likewise.
284 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
285 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
286 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
287 * config/i386/sco5.h (ASM_FILE_END): Likewise.
288 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
290 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
292 * Makefile.in (install-man): Remove explicit dependency on
295 * configure.in, configure: Revert previous patch requiring perl
298 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
300 * toplev.c (flag_guess_branch_prob): New.
301 (f_options): Add guess-branch-probability option.
302 (rest_of_decl_compilation): Only estimate branch probability if
304 (main): set flag_guess_branch_prob.
306 * flags.h (flag_guess_branch_prob): New.
308 2001-01-15 DJ Delorie <dj@redhat.com>
310 * gcc.texi (Makefile): Add documentation for Makefile targets.
312 2001-01-15 Philip Blundell <philb@gnu.org>
314 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
316 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
317 (is_pic): Delete declaration.
318 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
319 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
320 * config/arm/arm.md (builtin_setjmp_receiver): New.
322 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
324 * arm.c (use_return_insn): Don't try to determine the function type
325 until after reload has completed.
326 (arm_output_epilogue): Don't adjust the sp value recovered from the
328 (emit_multi_reg_push): Don't record dwarf information for the pc.
329 * arm.md (eh_epilogue): The function type may have changed, so it
330 needs to be recalculated.
331 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
332 unwind tables on arm/netbsd.
334 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
336 * arm.md (cbranchsi4): Correct calculation of branch ranges.
337 (negated_cbranchsi4): Likewise.
339 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
341 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
342 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
343 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
344 pass -mapcs-* options to assembler.
345 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
346 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
347 (ASM_SPEC): Call subtarget_extra_asm_spec.
349 2001-01-15 Andreas Jaeger <aj@suse.de>
351 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
353 (ix86_expand_builtin): Likewise.
355 * gencodes.c (output_predicate_decls): Make i size_t to avoid
356 warning about comparison between signed and unsigned.
358 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
360 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
362 2001-01-14 Ralf Baechle <ralf@gnu.org>
364 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
365 SUBTARGET_CPP_SPEC apropriatly.
367 2001-01-12 Mark Mitchell <mark@codesourcery.com>
369 * varasm.c (make_decl_rtl): Fix typo in last change.
371 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
373 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
374 linker supports the init_priority C++ attribute.
375 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
376 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
377 linker does not support init_priority C++ attribute.
379 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
381 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
383 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
385 * c-parse.in (finish_parse): Add comment about cpp_destroy.
386 * cp/lex.c (finish_parse): Similarly.
387 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
388 Return the number of errors encountered.
389 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
390 * cppmain.c (main): Don't call cpp_destroy.
392 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
394 * configure.in: Require at least perl 5.6.0 to regenerate
396 * configure: Regenerate.
398 2001-01-14 Richard Henderson <rth@redhat.com>
400 * genrecog.c (DT_veclen_ge): New.
401 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
402 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
403 (nodes_identical_1): Handle DT_veclen_ge.
404 (write_cond, debug_decision_2): Likewise.
406 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
408 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
410 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
412 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
414 * cppmain.c (do_preprocessing): New function; most of the old
416 (main): Call it to do most of the work.
417 (cb): Move from global scope to set_callbacks ().
418 (setup_callbacks): Get the callback pointer.
419 (general_init, printer_init): Clean up code and comments.
421 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
423 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
426 2001-01-14 Kazu Hirata <kazu@hxi.com>
428 * config/h8300/h8300.c (get_shift_alg): Update comments.
430 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
432 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
433 (alloc_page, ggc_alloc): Add casts to remove warnings.
435 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
437 * combine.c (simplify_comparison): Don't change `code' when
438 can't reverse comparison.
440 2001-01-14 Richard Henderson <rth@redhat.com>
442 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
443 update all call sites. Return true for all non-label constants.
445 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
447 * i386.c (ix86_expand_compare): Add bypass_test and second_test
449 (ix86_expand_branch): Update.
450 (ix86_expand_setcc): Update to handle multiple test conditions.
451 (expand_int_movcc): Likewise.
452 (expand_fp_movcc): Likewise.
453 * i386-protos.h (ix86_expand_compare): New.
454 * i386.md (andqi_?_slp, orqi_?_slp): New.
455 (conditional trap expander): Update call to ix86_expand_compare.
457 2001-01-14 Richard Henderson <rth@redhat.com>
459 * config/vax/vax.md: Use nonimmediate_operand instead of
460 general_operand in destinations.
462 * config/vax/vax.md (indirect_jump): Use register_operand.
464 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
465 * config/vax/vax.md (call_pop): Turn into an expander.
466 (call_value_pop): Likewise.
467 (call, call_value): New.
469 2001-01-14 Andreas Jaeger <aj@suse.de>
471 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
473 (ix86_fp_compare_mode): Add unused attribute.
474 (ix86_expand_fp_movcc): Remove unused variable.
475 (ix86_expand_builtin): Make fcode unsigned.
477 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
478 (expand_expr): Add cast to avoid signed warning.
479 (store_field): Likewise.
480 (store_constructor_field): Likewise.
481 (store_constructor): Likewise.
482 (store_expr): Likewise.
483 (clear_storage): Likewise.
484 (emit_group_store): Likewise.
485 (emit_group_load): Likewise.
487 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
489 * c-common.c: Move format checking code to ...
490 * c-format.c: ... here. New file. Reorder some functions and
492 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
494 * c-common.h (decl_handle_format_attribute,
495 decl_handle_format_arg_attribute): Declare.
496 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
497 (c-common.o): Adjust dependencies.
498 (c-format.o): New list of dependencies.
500 2001-01-13 Jakub Jelinek <jakub@redhat.com>
502 * unroll.c (loop_iterations): If we cannot prove iteration variable
503 is set once in each iteration, punt.
505 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
507 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
508 (*strlenhi): Remove clobber (which was buggy) of output address.
510 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
512 * Makefile.in (generated-manpages): Add gcc.1
513 ($(srcdir)/gcc.1): New target.
514 (maintainer-clean): Delete $(srcdir)/gcc.1.
515 * gcc.texi: Add macros @gccoptlist and @gol.
516 * invoke.texi: Include option summary in manpage. Mark up option
517 summary with @gccoptlist and @gol. Use @r in one place where
519 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
520 * gcc.1: Generate from invoke.texi.
522 2001-01-13 Richard Henderson <rth@redhat.com>
524 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
525 (struct page_entry): Add group member.
526 (struct page_group): New.
527 (struct globals): Add page_groups member.
528 (alloc_anon): Only define for using mmap; remove valloc call.
529 (page_group_index): New.
530 (set_page_group_in_use): New.
531 (clear_page_group_in_use): New.
532 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
533 (free_page, release_pages): Likewise.
534 * configure.in (with-gc): Default to ggc-page always.
536 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
538 * reload1.c (replace_pseudos_in_call_usage): Use
539 reg_equiv_constant and reg_equiv_address, and don't try
542 2001-01-13 Richard Henderson <rth@redhat.com>
544 * ggc-page.c (alloc_page): Round up allocation size to one page.
545 Set e->order on extra pages.
547 2001-01-13 Richard Henderson <rth@redhat.com>
549 * genrecog.c (nodes_identical): Expand commentary.
550 (write_switch): Watch out for identical nodes.
552 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
554 * cppfiles.c (_cpp_fake_include): New function.
555 * cpphash.h (_cpp_fake_include): New.
556 * cpplib.c (do_line): Call _cpp_fake_include when entering
557 header files in preprocessed input.
558 * cppmain.c (cb_pragma_implementation): Remove handling.
559 (setup_callbacks): Don't register pragmas.
561 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
563 * extend.texi: Udate for CPP.
565 2001-01-13 Andreas Jaeger <aj@suse.de>
567 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
569 * regmove.c: Add prototype for replace_in_call_usage.
571 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
573 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
574 struct cpp_chunk, struct htab, struct toklist,
575 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
576 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
577 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
578 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
579 (struct macro_args): Delete.
580 * cpphash.h: See above.
582 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
584 * cppmain.c (struct printer): Remove no_line_dirs.
586 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
587 : Use options rather than CPP_OPTION.
588 (setup_callbacks): Use cb rather than pfile->cb.
589 (main): No need to check for a buffer. Use cpp_errors.
590 (printer_init): Don't set no_line_dirs.
591 (maybe_print_line): Use options not no_line_dirs.
592 (cb_file_change): Don't call print_line if -P.
594 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
596 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
598 * c-parse.in (finish_parse): Use cpp_errors.
599 (__yylex): Use return value of cpp_pop_buffer.
600 * cp/lex.c (finish_parse): Use cpp_errors.
601 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
603 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
605 * README.AVR: URLs corrected.
607 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
609 * c-decl.c (start_function): Don't warn if old prototype is builtin
610 that's not in C's namespace.
611 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
612 (_bb): Add prototype for ctime.
613 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
615 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
617 * i386.c (ix86_fp_comparison_arithmetics_cost,
618 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
619 ix86_fp_comparison_cost): New functions.
620 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
621 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
622 two-branch sequences; make static.
623 (ix86_use_fcomi_compare): Do decision according to the costs.
624 (split_fp_branch): New.
625 * i386.md (compare-and-branch patterns): Use split_fp_branch.
626 * i386-protos.h (ix86_expand_fp_compare): Remove
627 (ix86_split_fp_branch): Declare.
629 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
630 and ix86_comparison_operator.
632 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
635 * i386.c (put_condition_code): Output properly the unordered/ordered
637 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
639 * tm.texi (REVERSE_CONDITION): Document.
640 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
642 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
644 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
646 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
648 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
651 * config/sh/sh.c (mova_p): Fix test for mova_const.
653 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
655 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
656 cpp_get_options rather than dereferencing pfile and using
658 * scan-decls.c (scan_decls): Use return value of
659 cpp_pop_buffer rather than CPP_BUFFER.
661 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
663 * cppinit.c (cpp_handle_option): help_only is now part of the
664 cpp_options structure.
665 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
666 cpp_set_callbacks): New functions.
667 * cpplib.h (cpp_callbacks): Break out as a named structure.
668 (cpp_options): Move help_only here from cpp_reader.
669 (CPP_FATAL_ERRORS): Update to use cpp_errors.
670 (cpp_errors, cpp_get_options, cpp_get_callbacks,
671 cpp_set_callbacks): New prototypes.
672 * cppmain.c (main): Update for help_only.
674 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
676 * Makefile.in (info, maintainer-clean, install-info, uninstall):
677 Also build and remove and install and uninstall c-tree.info and
679 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
680 ($(srcdir)/cppinternals.info): New target.
681 * c-tree.texi: Change file name used when makeinfo used without -o
682 from ir.info to c-tree.info. Add info directory entry.
683 * cppinternals.texi: Add info directory entry.
684 * .cvsignore: Update.
686 2001-01-12 Jakub Jelinek <jakub@redhat.com>
688 * c-typeck.c (store_init_value): Don't require constant initializer
689 elements with -pedantic -std=c99.
690 (digest_init): Change error about non-constant initializer elements
692 (constructor_range_end): Remove.
693 (constructor_incremental, designator_depth,
694 designator_errorneous): New variables.
695 (struct constructor_stack): Remove range_end, add incremental.
696 (struct constructor_range_stack, constructor_range_stack): New.
697 (struct initializer_stack): Add constructor_range_stack.
698 (finish_init): Set it.
699 (start_init): Likewise. require_constant_elements for non-static
700 trees only if not flag_isoc99.
701 (really_start_incremental_init): Remove constructor_range_end, add
702 constructor_incremental.
703 (pop_init_level): Likewise.
704 (push_init_level): Likewise. If implicit and the subobject had some
705 value set already, preinitialize the level with it.
706 Warn about missing braces only if not pushing due to designators.
707 (set_designator, push_range_stack): New functions.
708 (set_init_label): Use them.
709 (set_init_index): Likewise. Remove constructor_range_end.
710 Error if designator index is outside of array bounds.
711 (add_pending_init): Compare values of purpose index trees, not the
712 trees themselves. Allow overwriting of already initialized element.
713 Issue a warning if it had side-effects.
714 (set_nonincremental_init, set_nonincremental_init_from_string): New
716 (pending_init_member): Rename to...
717 (find_init_member): ...this function. Call set_nonincremental_init
718 if necessary. Compare values of purpose index trees, not the trees
719 themselves. Return the actual value, not just non-zero if something
721 (output_init_element): Remove checks for duplicates.
722 If field has zero size, only check the initializer for correctness.
723 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
724 if constructor_incremental is zero. Change error about initializers
725 not computable at load time into pedwarn.
726 (output_pending_init_elements): Compare bit positions, not
727 FIELD_DECLs to take into account zero-sized fields.
728 (process_init_element): Use constructor_range_stack to fill all
729 ranges in the designator lists from current level up.
730 * extend.texi: Update documentation for labeled elements.
732 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
734 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
735 to function usage for arguments passed by reference. Optimize
736 callee-copied arguments.
737 * regmove.c (replace_in_call_usage): New function.
738 (fixup_match_1): Call it.
739 * cse.c (cse_insn): Canonicalize registers in function usage.
740 * reload1.c (replace_pseudos_in_call_usage): New function.
743 * Makefile.in: Reverted yesterday's wrong patch. Installed the
746 2001-01-12 Jakub Jelinek <jakub@redhat.com>
748 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
751 2001-01-12 DJ Delorie <dj@redhat.com>
753 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
754 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
757 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
759 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
760 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
761 -std options alongside references to -ansi. Update some
762 documentation for C99.
765 2001-01-12 Andreas Jaeger <aj@suse.de>
767 * haifa-sched.c (restore_line_notes): Remove argument block B
769 * sched-ebb.c (schedule_ebb): Change caller.
770 * sched-rgn.c (schedule_region): Likewise.
771 * sched-int.h (restore_line_notes): Adjust prototype.
773 * loop.h: Remove wrong declaration of doloop_condition_get.
775 2001-01-12 Phil Edwards <pme@sources.redhat.com>
777 * extend.texi: Move C++-extension-related node from the C section
778 into the C++ section.
780 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
782 * extend.texi: Refer to an array of pointers to functions instead
785 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
786 Jan Hubicka <jh@suse.cz>
788 * combine.c (reversed_comparison): Fix typo in last patch.
790 (combine_reversed_comparison_code): Make static to follow
791 prototype declaration.
793 2001-01-12 Phil Edwards <pme@sources.redhat.com>
795 * install.texi: Remove misplaced duplicate entry.
797 2001-01-11 Ulrich Drepper <drepper@redhat.com>
799 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
801 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
803 * final.c: (leaf_function_p): Fix typo.
805 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
807 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
808 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
810 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
811 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
812 mmap_anon, and valloc is available.
813 * ggc-page.c: Restructure ifdef logic to match new autoconf
814 spec. Don't throw away the test page in init_ggc.
816 * configure, config.in: Regenerate.
818 2001-01-12 Michael Hayes <mhayes@redhat.com>
820 * loop.h (total_biv_increment): Constify iv_class pointer.
821 (struct induction): Replace `mem_mode' with `mem' rtx.
822 * unroll.c (total_biv_increment): Constify iv_class pointer.
823 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
824 (find_mem_givs, combine_givs_p): Likewise.
825 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
827 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
829 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
831 (__gthread_getspecific): Ditto.
833 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
835 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
836 put_condition_code): Convert fp comparison codes to integer
838 (ix86_expand_fp_compare): Postnote the fp comparison code converison
841 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
842 * i386-protos.h (no_comparison_operator): Kill.
844 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
846 * combine.c (REVERSIBLE_CC_MODE): Remove.
847 (reversible_comparison_p): Remove.
848 (combine_reversed_comparison_code): New.
849 (reversed_comparison): New.
850 (combine_simplify_rtx): Use
851 combine_reversed_comparison_code/reversed_comparison instead
852 of reversible_comparison_p.
853 (simplify_if_then_else): Likewise.
854 (simplify_set): Likewise.
855 (simplify_logical): Likewise.
856 (if_then_else_cond): Likewise.
857 (known_cond): Likewise.
858 (simplify_comparison): Likewise.
860 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
862 * builtins.c (std_expand_builtin_va_start): Handle varargs when
863 sizeof (int) is larger than sizeof(__word__).
865 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
867 * cppinit.c (do_includes): Fix typo.
869 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
871 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
872 in S_REGS does not occur because not all sources are possible
873 when a S_REGS is a destination (sometimes needs a clobber).
874 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
875 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
876 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
877 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
878 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
879 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
880 (lshrdi_const1, lshrsi3_const16): Likewise.
881 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
882 (*movhi_68hc12, *movqi_68hc12): Likewise.
883 (movstrictqi): Make sure reloading in D_REGS as a destination
886 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
888 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
890 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
892 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
893 -D, -U and -A, and don't initialize the builtins.
894 (do_includes): Error if -include or -imacros with -fpreprocessed.
895 * cppmain.c (cb_define, cb_undef): Unconditionally process
897 * tradcpp.c (main): Fix typo.
899 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
901 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
902 (read_name_map): Use IS_ABSOLUTE_PATH.
903 * tradcpp.c (get_filename): Likewise.
905 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
907 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
908 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
909 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
910 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
911 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
912 (cmphi_z_used): Don't use '@' for the output.
913 (tstqi_z_used): Likewise.
914 (cmpqi_z_used): Likewise.
915 (one_cmplsi2): Likewise.
917 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
919 * config/sh/sh.c (barrier_align): Recognize branch around far
920 branch and redundant insn.
922 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
924 * invoke.texi: Restore documentation of the drivers' switches -MD
927 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
929 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
931 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
932 check-objc//%): Support parallel testing of multilibs.
933 (TESTSUITEDIR): Set to testsuite by default, but override for
935 (check-gcc, check-g++, check-g77, check-objc): Enter
938 2001-01-11 Bernd Schmidt <bernds@redhat.com>
940 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
941 * sched-deps.c (deps_may_trap_p): Likewise.
942 * basic-block.h: Remove a comment.
943 * flow.c (PROP_POSTRELOAD): Remove.
944 (update_life_info): Don't add it to prop_flags.
945 (mark_set_1): Lose the code that was enabled by it.
947 2001-01-11 Michael Hayes <mhayes@redhat.com>
949 * flow.c (flow_call_edges_add): New.
950 * basic_block.h (flow_call_edges_add): New.
952 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
954 * reload1.c (move2add_note_store): Update reg_set_luid even if
955 base reg remains the same.
957 2001-01-10 Nick Clifton <nickc@redhat.com>
959 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
960 machine_function structure to zero.
961 Add prototypes for machine_status functions.
963 2001-01-10 Mark Mitchell <mark@codesourcery.com>
965 * c-common.h (CTI_VOID_LIST): Remove.
966 (void_list_node): Likewise.
967 * tree.h (TI_VOID_LIST_NODE): New enumeral.
968 (void_list_node): New macro.
969 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
970 * config/i386/i386.c (ix86_init_builtins): Likewise.
971 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
973 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
975 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
976 * cppinit.c (cpp_start_read): Update comment, remove unneeded
978 * tradcpp.c: Include mkdeps.h.
979 (deps, print_deps_phony_targets, deps_append, output_deps,
980 init_dependency_output, output_deps): New.
981 (deps_buffer, deps_allocated_size, deps_size, deps_column,
982 deps_output): Delete.
983 (print_deps_missing_files): Rename deps_missing_files.
984 (inhibit_output): Make global.
985 (main): Delete inhibit_output, deps_stream, deps_target.
986 Use mkdeps functionality in the same way as cpplib. Remove
987 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
988 -M and -MM. Remove old handling of deps via deps_out, and
989 old reading of environment variables.
990 (get_filename): Update to use deps_add_dep.
992 2001-01-10 Mark Mitchell <mark@codesourcery.com>
994 * output.h (make_function_rtl): Remove prototype.
995 (make_decl_rtl): Likewise.
996 * varasm.c (make_function_rtl): Remove.
997 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
998 than from a third parameter.
999 * tree.h (make_decl_rtl): Remove last parameter.
1000 * c-decl.c (builtin_function): Remove last argument in call to
1001 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1002 (start_function): Likewise.
1003 * except.c (call_get_eh_context): Likewise.
1004 * expr.c (emit_block_move): Likewise.
1005 (clear_storage): Likewise.
1006 * profile.c (output_func_start_profiler): Likewise.
1007 * toplev.c (rest_of_decl_compilation): Likewise.
1008 * objc/objc-act.c (create_builtin_decl): Likewise.
1009 (synth_module_prologue): Likewise.
1010 (generate_static_reference): Likewise.
1011 (build_selector_reference_decl): Likewise.
1012 (build_class_reference_decl): Likewise.
1013 (build_objc_string_decl): Likewise.
1014 (build_protocol_reference): Likewise.
1016 2001-01-10 Richard Henderson <rth@redhat.com>
1018 * hwint.h: Revert yesterday's change.
1020 2001-01-10 Nick Clifton <nickc@redhat.com>
1022 * function.h (save_machine_status): Delete.
1023 (restore_machine_status): Delete.
1024 Amend comment describing {init|mark|free}_machine_status.
1026 * function.c (save_machine_status): Delete.
1027 (restore_machine_status): Delete.
1028 Amend comment describing {init|mark|free}_machine_status.
1029 (push_function_context_to): Remove invocation of
1030 save_machine_status.
1031 (pop_function_context_from): Remove invocation of
1032 restore_machine_status.
1034 * emit-rtl.c (init_emit_once): Amend comment describing
1035 {init|mark|free}_machine_status.
1037 * tm.texi (Per-Function Data): New node. Describe the
1038 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1041 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1043 * cppinit.c (OPT_g): Remove.
1044 (cpp_handle_option): Update for removed -g3.
1045 (print_help): Update.
1046 * cpplib.h (struct cpp_options): Remove debug_output.
1047 * cppmain.c (setup_callbacks, cb_define): Update.
1048 * gcc.c (cpp_options): Translate -g3 to -dD.
1050 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1052 * config/i960/i960.md: Change modifier to + on the zero_extract
1053 pattern after the (rotate -2 reg) canonicalization pattern.
1055 2001-01-10 Richard Henderson <rth@redhat.com>
1057 * config/alpha/alpha.c (alpha_free_machine_status): New.
1058 (override_options): Install it.
1059 (alpha_mark_machine_status): Verify machine non-null.
1060 * config/i386/i386.c (ix86_free_machine_status): New.
1061 (override_options): Install it.
1062 (ix86_init_machine_status): Use xcalloc.
1063 (ix86_mark_machine_status): Verify machine non-null.
1064 * config/ia64/ia64.c (ia64_free_machine_status): New.
1065 (ia64_override_options): Install it.
1066 (ia64_mark_machine_status): Verify machine non-null.
1068 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1070 * function.c (instantiate_virtual_regs): Instantiate virtual
1071 registers found in CALL_INSN_FUNCTION_USAGE.
1073 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1075 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1076 equivalent to -ansi in disabling -Di386.
1078 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1080 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1082 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1084 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1086 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1088 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1090 * invoke.texi: Document that -fcond-mismatch isn't supported for
1093 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1095 * gcc.texi: Define macro gcctabopt.
1096 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1097 @command, @env and @option in some places where appropriate. Use
1098 @gcctabopt where appropriate. Put URLs and email addresses inside
1101 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1103 * gcc.c (cpp_options): Set MD file name from output
1104 filename, if specified.
1105 (suffix_subst): New static variable.
1106 (do_spec): Clear it.
1107 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1109 (give_switch): Handle suffix_subst.
1111 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1113 * invoke.texi: Fix another typo.
1115 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1117 * invoke.texi: Fix typo.
1119 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1121 * c-lang.c (lang_hooks): Update.
1122 (lang_decode_option): Remove.
1123 (lang_init_options): Rename c_init_options.
1124 * toplev.c (main): Use lang_hooks for lang_init_options
1125 and lang_decode_option.
1126 * toplev.h (lang_hooks): Add 2 new hooks.
1127 * tree.h: Remove lang_init_options and lang_decode_option.
1128 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1129 * cp/decl2.c: Similarly.
1130 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1131 (lang_hooks): Update.
1132 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1134 (lang_init_options): Rename ffe_init_options.
1135 (lang_hooks): Update.
1136 (lang_decode_option): Remove.
1137 * java/lang.c (lang_init_options): Rename java_init_options.
1138 (lang_decode_option): Rename java_decode_option.
1139 (lang_hooks): Update.
1140 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1141 (lang_decode_option): Rename objc_decode_option.
1142 (lang_hooks): Update.
1144 2001-01-09 Nick Clifton <nickc@redhat.com>
1146 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1147 (d30v_return_addr_rtx): Delete.
1148 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1149 cfun->machine structure.
1150 (struct machine_function): Move to d30v.h
1151 (d30v_save_machine_status): Delete.
1152 (d30v_restore_machine_status): Delete.
1153 (d30v_init_machine_status): New Function.
1154 (d30v_mark_machine_status): New Function.
1155 (d30v_free_machine_status): New Function.
1156 (d30v_init_expanders): Use new functions.
1157 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1158 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1159 d30v_return_addr_rtx.
1161 * config/d30v/d30v.h (struct_machine): Move here.
1162 Add eh_epilogue_sp_ofs field.
1164 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1165 field in cfun->machine structure.
1167 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1169 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1170 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1171 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1173 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1175 * objc/lang-options.h: Remove bogus reference to
1178 2001-01-09 Kazu Hirata <kazu@hxi.com>
1180 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1183 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1185 * reload.c (find_reloads_address): Check for eliminable registers
1186 when substituting a constant expression for a pseudo.
1188 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1190 * c-common.c (enum format_type): Add format_type_error.
1191 (decode_format_type): New function.
1192 (decl_attributes): Use it.
1193 (format_kind_info): Adjust comment.
1195 2001-01-09 David O'Brien <obrien@BSDi.com>
1197 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1198 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1200 * config/i386/gnu.h: Don't include required platform specific .h files,
1201 tm.h will do it instead.
1202 * config/i386/i386elf.h: Likewise.
1203 * config/i386/linux.h: Likewise.
1204 * config/i386/moss.h: Likewise.
1205 * config/mips/gnu.h: Likewise.
1207 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1209 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1210 (rs6000-ibm-aix3.[01]*): Likewise.
1211 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1212 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1213 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1214 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1215 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1216 (powerpc-*-eabiaix*): Likewise.
1217 (powerpc-*-eabisim*): Likewise.
1218 (powerpc-*-elf*): Likewise.
1219 (powerpc-*-eabi*): Likewise.
1220 (powerpc-*-rtems*): Likewise.
1221 (powerpc-*-linux*libc1): Likewise.
1222 (powerpc-*-linux*): Likewise.
1223 (powerpc-wrs-vxworks*): Likewise.
1224 (powerpcle-wrs-vxworks*): Likewise.
1225 (powerpcle-*-sysv*): Likewise.
1226 (powerpcle-*-elf*): Likewise.
1227 (powerpcle-*-eabisim*): Likewise.
1228 (powerpcle-*-eabi*): Likewise.
1229 (powerpcle-*-solaris2*): Likewise.
1230 * config/rs6000/aix31.h: Delete includes.
1231 * config/rs6000/aix3newas.h: Likewise.
1232 * config/rs6000/aix41.h: Likewise.
1233 * config/rs6000/aix43.h: Likewise.
1234 * config/rs6000/beos.h: Likewise.
1235 * config/rs6000/rtems.h: Likewise.
1236 * config/rs6000/sysv4.h: Likewise.
1238 2001-01-09 Kazu Hirata <kazu@hxi.com>
1240 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1241 Change an argument mode of machine_mode to shift_mode of
1242 shift_mode. Remove an extra error check.
1243 (emit_a_shift): Adopt to the new calling prototype of
1245 (function_prologue): Fix code for a monitor
1246 function. Support H8/S.
1247 (function_epilogue): Do not output pop for a monitor function.
1249 2001-01-09 Nick Clifton <nickc@redhat.com>
1251 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1252 (setup_incoming_varargs): Use sysv_varargs_p field of the
1253 cfun->machine structure.
1254 (struct machine_function): Move to rs6000.h
1255 (rs6000_save_machine_status): Delete.
1256 (rs6000_restore_machine_status): Delete.
1257 (rs6000_init_machine_status): New Function.
1258 (rs6000_free_machine_status): New Function.
1259 (rs6000_init_expanders): Use new functions.
1261 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1263 (struct machine_function): Move here.
1265 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1266 sysv_varargs_p field of the cfun->machine structure.
1268 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1270 (rs6000_restore_machine_status): Remove prototype.
1272 2001-01-09 Richard Henderson <rth@redhat.com>
1274 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1275 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1276 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1277 (sched_analyze_2, sched_analyze_insn): Likewise.
1278 (sched_analyze, init_deps): Likewise.
1279 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1280 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1281 (compute_block_backward_dependences): Update propagate_deps call.
1283 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1285 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1287 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1289 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1290 (cpp_handle_option): Handle them.
1291 (cpp_post_options): Ensure one of -M or -MM is specified with
1292 any other -M? option.
1293 (init_dependency_output): Suppress output with -MG.
1295 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1298 * invoke.texi: Update.
1300 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1302 * sh.md (reload_outsf): Generate recognizable patterns for
1305 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1307 * c-lang.c (lang_hooks): Update.
1308 (lang_init): Rename c_init.
1309 (lang_finish): Remove.
1310 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1312 * toplev.h (lang_hooks): Add init () and finish ().
1313 * tree.h (lang_init, lang_finish): Remove.
1314 * cp/tree.h (lang_init, lang_finish): Remove.
1315 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1316 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1318 (lang_init, lang_finish): Remove.
1319 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1320 (lang_hooks): Update.
1321 * java/lang.c (lang_init): Rename java_init.
1322 (lang_finish): Remove.
1323 (lang_hooks): Update.
1324 * objc/objc-act.c (lang_init): Rename objc_init.
1325 (lang_finish): Remove.
1326 (lang_hoooks): Update.
1328 20001-01-09 Graham Stott <grahams@redhat.com>
1330 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1331 after `ptr` is initialised.
1333 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1335 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1336 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1337 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1338 stack adjusts, instead of r3.
1340 2001-01-09 Michael Hayes <mhayes@redhat.com>
1342 * flow.c (flow_loop_scan): Break out of ...
1343 (flow_loops_find) ... here.
1344 * basic-block.h (flow_loop_scan): New.
1345 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1346 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1348 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1350 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1352 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1353 realloc()ing macro_buffer.
1355 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1356 if it's wider than long and the target's long is wider than the
1359 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1361 Remove support for using UWIN as a host machine.
1362 * configure.in: Issue an error message.
1363 * configure: Regenerated.
1364 * config.gcc: Remove xm_* UWIN configury.
1365 * config/i386/xm-uwin.h: Remove.
1367 2001-01-08 Nick Clifton <nickc@redhat.com>
1369 * config/v850/v850.c (ra_rtx): Delete.
1370 (v850_save_machine_status): Delete.
1371 (v850_restore_machine_status): Delete.
1372 (v850_init_machine_status): New function.
1373 (v850_mark_machine_status): New function.
1374 (v850_free_machine_status): New function.
1375 (v850_return_addr): Use ra_rtx field in machine structure.
1376 (v850_init_expanders): Use new functions.
1378 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1379 * config/v850/v850.c: Change arguments to v850_output+* functions
1380 to take a const char *, to avoid compile time warning.
1381 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1382 (USER_LABEL_PREFIX): Redefine.
1384 2000-01-08 Jim Wilson <wilson@redhat.com>
1386 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1387 1 to unsigned HOST_WIDE_INT before left shift.
1389 2001-01-08 Nick Clifton <nickc@redhat.com>
1391 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1392 the machine structure has been allocated.
1393 (arm_free_machine_status): New function: Free the machine
1394 specific function structure.
1396 2001-01-08 Richard Henderson <rth@redhat.com>
1398 * jump.c (simplejump_p): Revert last change.
1400 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1402 * cppinit.c (init): Rename init_library.
1403 (cpp_create_reader): Update.
1404 * gcc.c (cpp_options): If -o given, use it as the target of
1407 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1409 * arm.c (arm_arch5e): New variable.
1410 (all_cores): XScale is a 5TE device.
1411 (arm_override_options): Set arm_arch5e.
1412 (arm_init_builtins): __builtin_prefetch is in arch5e.
1413 * arm.h (arm_arch5e): Declare it.
1415 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1417 * arm.md (define_constants): Add defines for UNSPEC and
1418 UNSPEC_VOLATILE insns. Update all users.
1419 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1420 * arm.c (multi_register_push, note_invalid_constants)
1421 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1422 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1423 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1425 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1427 * jump.c (jump_optimize_1): Use reversed_comparison_code
1428 instead of can_reverse_comparison_p.
1429 (jump_back_p): Likewise.
1430 (invert_exp_1): Likewise.
1431 (thread_jumps): Likewise.
1432 * simplify-rtx.c (simplify_unary_operation): Likewise.
1433 (simplify_ternary_operation): Likewise.
1434 * cse.c (find_comparison_args): Convert to use
1435 can_reverse_comparison_p.
1436 (record_jump_equiv): Likewise.
1438 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1440 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1441 (EPILOGUE_USES): Define.
1442 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1443 automatically stack the LR if it isn't live.
1445 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1447 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1450 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1452 * ggc-page.c (max_alignment): New structure.
1453 (MAX_ALIGNMENT): New macro.
1454 (init_ggc): Use it to round up the sizes in the
1455 extra_order_size_table.
1457 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1459 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1462 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1464 * builtins.def (BUILT_IN_FPRINTF): New entry.
1466 * c-common.c (c_expand_builtin_fprintf): New function.
1467 (init_function_format_info): Handle __builtin_fprintf.
1468 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1469 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1471 * c-decl.c (duplicate_decls): Adjust comment.
1473 * extend.texi (fprintf): Document new builtin.
1475 2001-01-07 Richard Henderson <rth@redhat.com>
1477 * jump.c (simplejump_p): Recognize any single_set jump
1480 2001-01-07 Richard Henderson <rth@redhat.com>
1482 * configure.in (slibdir): Accept an --with-slibdir option.
1483 Use "test" not "[" in configure. Default to $(libdir).
1485 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1487 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1488 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1489 (SHLIB_LINK): Create links for the soname.
1490 * config/mips/t-iris6: Likewise.
1491 * config/sparc/t-slibgcc: Likewise.
1492 * config/sparc/t-slibgcc-sld: Likewise.
1494 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1496 * config/i386/i386.c (constant_call_address_operand): Accept
1497 (const (plus (symbol_ref) (const_int))).
1498 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1499 constant_call_address_operand.
1501 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1503 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1504 and LONG_LONG_TYPE_SIZE > 32.
1506 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1508 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1509 the previous change.
1511 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1513 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1515 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1516 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1517 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1520 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1522 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1524 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1526 * c-lang.c (c_post_options): Call cpp_post_options.
1527 * objc/objc-act.c (objc_post_options): Similarly.
1528 * cppmain.c (main): Similarly.
1529 * fix-header.c (read_scan_file): Similarly.
1530 * cppinit.c (cpp_start_read): Move option consistency checks
1531 to cpp_post_options. Don't call init_dependency_output.
1532 If needed, add default target and main file dependency.
1533 (OPT_MD, OPT_MMD): Remove.
1535 (cpp_handle_option): Update for OPT_* changes.
1536 (cpp_post_options): New.
1537 (init_dependency_output): Command line -MF overrides environment
1538 variables. Don't set default target etc. Suppress output
1539 if dependencies are going to stdout.
1540 (print_help): Update.
1541 * cpplib.h (cpp_post_options): New.
1542 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1544 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1546 * jump.c (comparison_dominates_p): Support unordered compares.
1548 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1550 * simplify-rtx.c (simplify_relational_operation): Always simplify
1551 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1554 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1556 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1557 (nonzero_bits): Likewise.
1558 (simplify_comparison): Likewise.
1559 (num_sign_bit_copies): Likewise; return more sane value depending
1560 on STORE_FLAG_VALUE.
1561 (known_cond): Do not assume EQ to be always true for equivalent
1564 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1566 * cse.c (fold_rtx): Handle unordered comparisons.
1568 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1570 * rtlanal.c (set_of_1): New static function.
1571 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1572 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1573 reg_set_last_last_regno): Remove.
1574 (set_of): New global function.
1575 (set_of_data): New structure.
1576 (reg_set_p, reg_set_last): Revamp for set_of.
1577 * rtl.h (set_of): New.
1579 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1581 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1582 * extend.texi: Document _Exit builtin.
1584 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1586 * (initialize, initialize_builtins,
1587 initialize_dependency_output, initialize_standard_includes):
1588 Rename s/initialize/init. Update.
1589 (init_dependency_output): Move to after
1590 cpp_handle_options, the correct location temporally at least.
1591 (opt_comp): Move next to init (), its caller. Fix prototype.
1592 (init): Make "initialized" local scope.
1593 (cpp_create_reader): Always call init ().
1594 (cpp_start_read): Update.
1595 (output_deps): New function, broken out of cpp_finish.
1596 (cpp_finish): Break out output_deps.
1598 2001-01-07 Richard Henderson <rth@redhat.com>
1600 * collect2.c (COFF specific stuff): Revert 12-06 patch
1601 to prototype system functions.
1603 2001-01-07 Michael Hayes <mhayes@redhat.com>
1605 * hard-reg-set.h: Add multiple include guard.
1606 * basic-block.h (struct loop): Add `sink' field.
1607 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1608 (emit_iv_add_mult): Delete.
1609 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1610 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1611 (unroll_loop): Remove end_insert_before argument.
1612 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1613 (maybe_eliminate_biv_1): Likewise.
1614 (emit_iv_add_mult): Delete.
1615 (gen_add_mult, loop_regs_update): New.
1616 (loop_insn_emit_after, loop_insn_emit_before): New.
1617 (loop_insn_sink, loop_insn_sink_or_swim): New.
1618 (emit_iv_add_mult): Delete.
1619 (scan_loop): Set loop->sink.
1620 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1621 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1622 (maybe_eliminate_biv_1): Likewise.
1623 (maybe_eliminate_biv_1): Add basic block argument.
1624 * unroll.c (unroll_loop): Remove end_insert_before argument.
1625 (find_splittable_regs): Likewise.
1626 (find_splittable_regs): Use loop_insn_sink and its ilk.
1627 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1629 2001-01-07 Michael Hayes <mhayes@redhat.com>
1631 * loop.h (loop_insn_hoist): New prototype.
1632 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1633 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1634 (check_dbra_loop, load_mems): Likewise.
1635 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1636 (find_splittable_givs): Likewise.
1638 2001-01-07 Michael Hayes <mhayes@redhat.com>
1640 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1642 2001-01-07 Richard Henderson <rth@redhat.com>
1644 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1646 2001-01-07 Richard Henderson <rth@redhat.com>
1648 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1649 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1650 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1651 variant that handles a shared libgcc.
1652 (process_command): Always validate -{static,shared}-libgcc.
1653 (do_spec_1): New 'M' case.
1654 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1656 2001-01-07 Richard Henderson <rth@redhat.com>
1658 * Makefile.in (slibdir): New variable.
1659 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1660 (installdirs): Create slibdir.
1661 (install-libgcc, install-multilib): Defer to libgcc.mk.
1662 * configure.in (slibdir): Substitute.
1663 * mklibgcc.in (install): New target.
1665 * config/t-linux (SHLIB_LINK): Create links for the soname.
1666 (SHLIB_INSTALL): New.
1667 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1668 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1669 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1670 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1671 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1673 2001-01-07 Richard Henderson <rth@redhat.com>
1675 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1676 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1677 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1679 2001-01-07 Michael Hayes <mhayes@redhat.com>
1681 * loop.c (count_loop_regs_set): Delete.
1682 (load_mems_and_recount_loop_regs_set): Delete.
1683 (loop_regs_scan): Merge common code from count_loop_regs_set,
1684 scan_loop, and load_mems_and_recount_loop_regs_set.
1685 (scan_loop): Call load_mems directly and loop_regs_scan
1686 again if new registers created.
1688 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1690 * toplev.c (main): Call the front-end specific post_options
1691 hook if one is given.
1692 * toplev.h (struct_lang_hooks, lang_hooks): New.
1693 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1694 for the C front end.
1695 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1696 lang_hooks for the C++ front end.
1697 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1698 lang_hooks for the ObjC front end.
1699 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1700 * java/lang.c (lang_hooks): Hooks for the Java front end.
1702 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1704 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1705 for verbose DWARF[2] debugging.
1706 (cb_define, cb_undef): The new callbacks.
1707 * toplev.h (debug_define, debug_undef): Make const correct.
1708 * toplev.c (debug_define, debug_undef): Similarly. Do not
1709 perform the verbosity tests here anymore.
1711 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1713 * reload.c (subst_reloads): Take INSN argument. When
1714 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1715 * reload.h (subst_reloads): Adjust prototype.
1716 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1717 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1718 present in JUMP_INSNs and copy them to JUMP_LABEL.
1719 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1720 JUMP_INSNs and insns with REG_LABELs that are followed by
1721 JUMP_INSNs with the same REG_LABEL.
1722 * sched-rgn.c (is_cfg_nonregular): Likewise.
1723 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1725 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1727 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1729 2001-01-06 Richard Henderson <rth@redhat.com>
1731 * loop.c (scan_loop): Use xcalloc for the regs array.
1732 (load_mems_and_recount_loop_regs_set): Zero the new memory
1733 received from xrealloc.
1735 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1737 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1739 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1741 * integrate.c (copy_rtx_and_substitute): When copying
1742 an ignored return value, strip REG_FUNCTION_VALUE_P.
1744 2001-01-06 Michael Hayes <mhayes@redhat.com>
1746 * loop.c (debug_biv, debug_giv): New.
1747 (loop_biv_dump): Break out from ...
1748 (record_biv): ... here.
1749 (loop_giv_dump): Break out from ...
1750 (record_giv): ... here.
1751 (loop_bivs_check): Use print_simple_rtl.
1752 * unroll.c (loop_iterations): Use print_simple_rtl.
1754 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1756 * pa.md (return, return_internal): Modify patterns to prevent regrename
1757 mucking with the return pointer.
1759 2001-01-05 Richard Henderson <rth@redhat.com>
1761 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1763 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1765 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1766 version supplied by Matteo Frigo.
1768 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1770 * cpp.texi: Update for -MQ.
1771 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1772 (cpp_cleanup): Always free pfile->deps.
1773 (initialize_dependency_output): Don't create pfile->deps.
1774 (cpp_handle_option): Similarly.
1776 * gcc.c (cpp_options): Handle -MQ.
1777 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1778 * mkdeps.c (base_name): Remove.
1779 (deps_init): Don't allocate vector space until it's needed.
1780 (deps_free): Only free vectors if allocated.
1781 (deps_add_target, deps_add_dep): Update for initial allocation.
1782 (deps_add_default_target): Don't strip to the base_name.
1784 2001-01-05 DJ Delorie <dj@redhat.com>
1786 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1787 (INIT_EXPANDERS): Define.
1789 * config/v850/v850.c (struct machine_function): Define.
1790 (v850_save_machine_status): New function.
1791 (v850_restore_machine_status): New function.
1792 (v850_return_addr): New function.
1793 (v850_init_expanders): New function.
1795 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1796 and v850_init_expanders.
1798 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1800 * cpplib.h (struct cpp_reader): Add help_only field.
1801 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1802 (cpp_handle_option): Set pfile->help_only if we see -h,
1803 --help, -target-help, or --version. Print version string but
1804 do not set help_only if we see -v or -version. Make text
1805 printed by -v match that printed by (-)-version.
1807 * cppmain.c (main): Exit after option parsing if
1808 pfile->help_only is true.
1810 * toplev.c (independent_decode_option): Call print_version,
1811 then exit, if we see --version (but not -version).
1812 (print_version): Split lengthy message into two lines.
1814 2001-01-05 Nick Clifton <nickc@redhat.com>
1816 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1817 temporary string for initialisation before calling ggc_alloc_string.
1819 2001-01-06 Michael Hayes <mhayes@redhat.com>
1821 * rtl.h (print_simple_rtl): New.
1822 * print-rtl.c (print_simple_rtl): New.
1824 (print_rtx): Disable printing of flags and modes, etc.,
1825 if `flag_simple` nonzero.
1827 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1829 * function.c (fixup_var_refs): Use push_to_full_sequence where
1832 2001-01-05 Michael Meissner <meissner@redhat.com>
1834 * flags.h (flag_reorder_blocks): Add declaration.
1835 (flag_rename_block): Ditto.
1837 2001-01-05 DJ Delorie <dj@redhat.com>
1839 * function.c (reorder_blocks): Make sure the flags are all reset
1840 before using them to mark blocks, else a second invocation will
1841 corrupt the block chain.
1842 (reorder_blocks_0): New, resets the flags.
1844 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1846 * cse.c (find_comparison_args): Stop if the argument is known to
1849 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1851 * config/sh/sh.md (movdf): When splitting load into pair of
1852 registers, don't clobber the register used in the address too
1855 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1857 * varasm.c (mark_constant_pool): Improve initial comments.
1858 (mark_constants): Move marking of constants to mark_constant.
1859 (mark_constant): New function to recursively mark all constants
1860 referred to by a constant.
1862 2001-01-05 Catherine Moore <clm@redhat.com>
1864 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1866 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1868 * cp/lang-options.h: Bring comment in line with reality.
1869 * f/lang-options.h: Likewise.
1870 * java/lang-options.h: Likewise.
1871 * objc/lang-options.h: Likewise.
1872 * ch/lang-options.h: Likewise.
1873 * f/g77.texi: And update the manual.
1875 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1876 Denis Chertykov <denisc@overta.ru>
1878 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1879 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1880 * config/avr/avr.md (all peepholes that request a scratch register):
1881 Call it, FAIL the peephole if not safe (in interrupt functions).
1883 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1885 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1887 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1889 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1891 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1892 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1893 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1894 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1895 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1897 * extend.texi: Document these builtins.
1899 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1901 * c-common.c (lang_get_alias_set): Say we know nothing of
1902 VECTOR_TYPE aliasing.
1904 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1906 2001-01-05 Bruce Korb <bkorb@gnu.org>
1908 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1909 their x* equivalent versions for atexit-less systems
1910 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1911 systems (or any other system any more).
1913 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1915 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1916 output operands. Use arm_hard_register_operand for operand 4.
1917 (stmsi_postinc): Similarly.
1918 (ldmsi): Use arm_hard_register_operand for opernand 2.
1920 * arm.c (arm_hard_register_operand): New function.
1921 * arm-protos.h (arm_hard_register_operand): Prototype it.
1923 * arm.h (HARD_REGNO_RENAME_OK): Define.
1925 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1927 * simplify-rtx.c (cfc_args): add "unordered" field.
1928 (check_fold_consts): Set unordered field.
1929 (simplify_relational_operation): Simplify the unordered
1932 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1935 * emit-rtl.c (try_split): Fix code to mark labels.
1936 * jump.c (mark_jump_label): Make global.
1937 * rtl.h (mark_jump_label): Declare.
1939 * predict.c (estimate_probability): Handle unordred comparisons.
1941 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1943 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1944 * cppinit.c (initialize_dependency_output): Update.
1945 (cpp_finish): Output dummy targets for -MP.
1947 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1948 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1949 * gcc.c (cpp_options): Update to handle -MP.
1950 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1951 to quote only the default target.
1952 (deps_phony_targets): Insert a preceding newline. Rename from
1953 deps_dummy_targets for consistency.
1956 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1958 * calls.c (emit_library_call_value_1): Support
1959 INIT_CUMULATIVE_LIBCALL_ARGS.
1960 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1962 2001-01-04 Richard Henderson <rth@redhat.com>
1964 * c-decl.c (finish_struct): Detect flexible array members
1965 used in an inappropriate context.
1966 * c-typeck.c (really_start_incremental_init): Special case
1967 constructor_max_index for zero length arrays.
1968 (pop_init_level): Allow initialization of flexible array
1969 members. Deprecate initialization of zero length arrays.
1970 Don't issue missing initializer warning for flexible array
1971 members or zero length arrays.
1972 (process_init_element): Don't dereference null DECL_SIZE.
1973 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1974 Don't abort for empty constructors. Use size_binop
1975 (output_constructor): Add commentary regarding zero length
1976 array futures. Abort if we try to initialize an array of
1977 unspecified length with a non-empty constructor in the middle
1980 * extend.texi (Zero Length): Update and clarify documentation
1981 on static initialization.
1983 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1985 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1986 with more than 32767 words of local storage.
1988 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1990 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1991 for 'abs', 'labs', and 'fabs'.
1992 (c4x_expand_builtin): Likewise.
1993 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1995 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1997 * config/sh/sh.md (prget, prset): New insn types.
1998 (return delay slot): Dont' allow prset.
1999 (call, sfunc delay slot): Don't allow prget.
2000 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2001 for prset and prget.
2003 2001-01-05 Michael Hayes <mhayes@redhat.com>
2005 * loop.h (struct loop_reg): New.
2006 (struct loop_regs): Change to use array of `struct loop_reg'.
2007 * loop.c: Replace assortment of varrays with single regs array.
2008 (count_one_set): Delete may_not_move array argument
2009 and use regs array instead. All caller's changed.
2010 (count_loop_regs_set): Delete may_not_move and single_usage
2011 arguments and use regs array instead. All caller's changed.
2012 (find_single_use_in_loop): Replace usage array argument with pointer
2013 to regs structure. All caller's changed.
2014 (loop_optimize): Delete `moved_once' array.
2016 2001-01-05 Michael Hayes <mhayes@redhat.com>
2018 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2019 Use it instead of loop_info->has_call for scanning loop mems.
2020 (check_dbra_loop): Replace loop_info->has_call test with
2021 loop_info->has_nonconst_call.
2023 2000-01-04 Matthew Hiller <hiller@redhat.com>
2025 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2028 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2030 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2031 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2033 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2035 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2036 (flag_short_double, flag_short_wchar): Define.
2037 (c_common_nodes_and_builtins): Create many tree nodes shared
2038 between C and C++ here instead of in cp/decl.c and ...
2039 * c-decl.c (init_decl_processing): ... here.
2040 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2041 (flag_short_double, flag_short_wchar): Don't define.
2042 (record_builtin_type): New function.
2043 (build_void_list_node): New function.
2044 * c-common.h (flag_short_double, flag_short_wchar,
2045 record_builtin_type, build_void_list_node): Declare.
2047 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2049 * integrate.c (expand_inline_function): Don't put a virtual
2050 register into the reg map.
2052 * function.c (fixup_var_refs_1): If force_operand didn't put
2053 the address into the target, move it there.
2055 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2057 Special-case tree_decl/tree_list allocations.
2058 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2059 (OBJECT_SIZE): New macro.
2060 (NUM_EXTRA_ORDER): Likewise.
2061 (extra_order_size_table): New variable.
2062 (NUM_ORDERS): New macro.
2063 (objects_per_page_table): New variable.
2064 (object_size_table): New variable.
2065 (G.pages): Use NUM_ORDERS to bound the array.
2066 (G.page_tails): Likewise.
2067 (DIV_ROUND_UP): Remove.
2068 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2069 (alloc_page): Use OBJECT_SIZE.
2070 (size_lookup): Don't make it const.
2071 (ggc_alloc): Use OBJECT_SIZE.
2072 (ggc_set_mark): Likewise.
2073 (ggc_get_size): Likewise.
2074 (init_ggc): Set up the object_size_table, objects_per_page_table,
2075 and adjust size_lookup.
2076 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2077 (ggc_pop_context): Use NUM_ORDERS.
2078 (clear_marks): Likewise.
2079 (sweep_pages): Likewise.
2080 (poison_pages): Likewise.
2081 (ggc_print_statistics): Use OBJECT_SIZE.
2083 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2085 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2086 Only call array_size_for_constructor if last field and array type
2087 with no upper bound.
2089 2001-01-04 Philip Blundell <philb@gnu.org>
2091 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2092 from bit 31 downwards, if this requires no more insns.
2093 (count_insns_for_constant): New helper function for above.
2095 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2097 * gencodes.c (output_predicate_decls): Remove empty initializer.
2099 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2101 * tree.c (copy_node): Remove documentation about obstacks.
2102 (buidl1): Check that nobody tries to build 2-argument nodes this
2105 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2107 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2110 * gencodes.c (output_predicate_decls): Fill empty initializer
2113 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2115 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2116 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2118 (do_include): Handle missing headers like cpp0.
2119 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2120 paths with first include pathname. Don't strcat to uninitialized
2123 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2125 * regrename.c (regrename_optimize): Don't rename from frame pointer
2126 if frame_pointer_needed.
2127 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2128 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2129 (ia64_reorg): Use it instead of scheduling if ! optimize.
2130 (errata_emit_nops): Properly call asm_noperands.
2131 (ia64_sched_reorder): Finish cycle if we see an asm.
2132 (ia64_variable_issue): Clear scheduling state after asms.
2134 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2136 * cpp.texi: Update for -MT.
2137 * cppinit.c (initialize_dependency_output): Add a default
2138 target if none has been given already.
2139 (no_tgt, OPT_MT): New.
2140 (cpp_handle_option): Handle -MT. Update -M etc.
2141 * cpplib.h (struct cpp_options): Remove deps_target.
2142 * gcc.c (cpp_options): Handle -MT.
2143 * mkdeps.c (struct deps): Move from mkdeps.h.
2144 (deps_calc_target): Rename deps_add_default_target. Add a
2145 default target if none has been specified already.
2146 * mkdeps.h (struct deps): Move to mkdeps.c.
2147 (deps_calc_target): Rename deps_add_default_target.
2149 2000-01-03 Richard Henderson <rth@redhat.com>
2151 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2153 * c-typeck.c (push_init_level): Move checks for flexible array
2154 members and zero length arrays ...
2155 (pop_init_level): ... here. Silently discard empty initializations.
2157 * varasm.c (output_constructor): Update for sizeof change to
2160 * extend.texi (Zero Length): Clarify semantics.
2162 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2164 * configure.in (tm.h): Include isns-codes.h last.
2165 * configure: Rebuilt.
2167 2001-01-03 Richard Henderson <rth@redhat.com>
2169 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2170 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2172 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2174 * tradcpp.c (main): Make sure finclude() is called with a valid
2175 indepth value while handling -include.
2177 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2179 * gencodes.c (output_predicate_decls): New function.
2181 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2182 even if it is not the first time machmode.h is #included.
2183 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2184 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2185 * gcc.texi (Copyright): Added 2001.
2187 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2189 * c-common.c (c_common_lang_init): New function. Warn if format
2190 warning options which only have effects when used with -Wformat
2191 are used without -Wformat.
2192 * c-common.h (c_common_lang_init): Declare.
2193 * c-lang.c (lang_init): Call c_common_lang_init.
2194 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2196 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2198 * configure.in: Check for the mktemp command.
2199 * configure: Regenerate.
2200 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2201 $TEMP. Create temporary files with mktemp, if available at
2202 configure time; otherwise use set -C. Remove temporary files
2205 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2207 * configure.in: Require at least texinfo 4.0. Check for whether
2208 Pod::Man is sufficiently recent to regenerate GCC manpages.
2209 * configure: Regenerate.
2210 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2212 (GENERATED_MANPAGES): Define.
2213 (generated-manpages): New target. Depend on cpp.1 as well as
2215 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2216 configure to generated-manpages or empty) rather than on the
2217 manpages directly. Remove execute permission from installed
2218 gcov.1 as well as cpp.1.
2219 * cpp.1, gcov.1: Regenerate.
2221 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2223 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2224 tree_low_cst. Allow using cmpstrsi in more cases.
2226 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2228 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2231 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2233 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2234 * Makefile.in (HOST_CFLAGS): Mention build-make.
2236 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2238 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2241 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2243 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2246 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2249 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2250 reg_base_value and reg_known_value arrays.
2251 (init_alias_analysis): Add more cases to detect known values.
2252 * sched-deps.c (deps_may_trap_p): New function.
2253 (sched_analyze_2): Use it.
2255 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2257 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2258 don't discard an ASHIFTRT if we're shifting in a wider mode.
2260 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2262 * toplev.c (rest_of_compilation): Don't print basic block information
2263 when CFG isn't up to date.
2265 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2267 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2268 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2269 (UNALIGNED_SHORT_ASM_OP): Define.
2270 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2272 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2274 * fold-const.c (fold_convert): Fix typo.
2276 2001-01-02 Richard Henderson <rth@redhat.com>
2278 * c-common.h (ASM_INPUT_P): New.
2279 * c-parse.in (asm): Set it when needed.
2280 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2281 existance of an operand.
2283 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2285 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2286 (dwarf2out_frame_debug_expr): Likewise.
2287 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2289 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2291 * i386.c (ix86_split_to_parts): Return number of part required;
2293 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2295 (ix86_split_long_move): Use number of part returned
2296 by ix86_split_to_parts
2297 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2299 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2300 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2301 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2302 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2303 (ALIGN_MODE_128): Add TFmode.
2304 (IS_STACK_MODE): Likewise.
2305 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2306 (HARD_REGNO_OK): Support TFmodes.
2307 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2308 * i386.md (scheduler definitions): Use memory operand to determine
2309 fst/fld instructions; use mode attribute to determine real mode of
2311 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2312 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2314 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2316 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2318 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2320 * expr.c (store_constructor_field): Update ALIGN before calling
2323 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2325 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2328 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2330 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2333 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2335 * c-decl.c (start_function): Don't warn on third parameter to main.
2337 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2339 * tsystem.h: Define HAVE_DECL_GETOPT.
2341 2001-01-02 Philip Blundell <pb@futuretv.com>
2343 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2346 2001-01-02 Richard Henderson <rth@redhat.com>
2348 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2350 2001-01-02 Andreas Jaeger <aj@suse.de>
2352 * c-decl.c (c_decode_option): Remove support of
2355 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2356 (W_options): Add -Wmissing-noreturn here.
2358 * flow.c: Define lang_missing_noreturn_ok_p.
2359 (check_function_return_warnings): Use it.
2361 * c-common.h: Declare lang_missing_noreturn_ok_p.
2363 * c-lang.c (c_missing_noreturn_ok_p): New function.
2364 (lang_init): Set lang_missing_noreturn_ok_p.
2366 * invoke.texi (Warning Options): Document this.
2368 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2370 * extend.texi (C++ Extensions): New node for C++ attributes;
2371 describe init_priority and com_interface.
2372 * invoke.texi: Remove -finit-priority as it now has zero effect.
2373 * install.texi: Fix xref syntax.
2374 * md.texi: Likewise.
2376 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2378 * config.gcc (sparc64-wrs-vxworks*): New case.
2379 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2381 * config/sparc/sparc.c (sparc_override_options): Do support different
2382 pointer and architecture size.
2383 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2384 (POINTERS_EXTEND_UNSIGNED): Define.
2385 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2386 (FUNCTION_MODE): Define to be Pmode.
2387 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2389 * function.c (expand_function_end): Properly handle DECL_RESULT
2390 and copy when ptr_mode != Pmode.
2391 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2393 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2395 * c-common.c (c_common_nodes_and_builtins): Set prototype
2396 parameters for __builtin_fputs, __builtin_fputc and
2397 __builtin_fwrite. Don't declare plain fputc as a builtin.
2399 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2401 * loop.c (add_label_notes): Increment the label usage count when
2402 a note is added to an insn which refers to a CODE_LABEL.
2403 * gcse.c (add_label_notes): Likewise.
2405 2001-01-01 Andreas Jaeger <aj@suse.de>
2407 * loop.c (scan_loop): Use xmalloc to allocate movables.
2409 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2411 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2412 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2413 * reload1.c (REGISTER_MOVE_COST): Likewise.
2414 * regclass.c (REGISTER_MOVE_COST): Likewise.
2415 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2416 dimension. Adjust all users.
2417 (init_reg_sets_1): Iterate on all modes.
2418 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2419 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2420 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2421 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2422 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2423 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2424 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2425 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2426 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2427 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2428 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2429 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2430 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2431 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2432 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2433 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2434 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2435 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2436 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2437 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2438 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2439 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2440 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2441 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2442 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2443 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2444 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2446 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2448 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2449 arg VARIES_P. Call it with extra arg.
2450 (true_dependence): Likewise.
2451 * rtl.h (rtx_addr_can_trap_p): Declare.
2452 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2454 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2455 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2456 pic offset table register if it's zero. All callers changed.
2457 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2459 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2461 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2462 STRING_POOL_ADDRESS_P.
2464 * config/sparc/sparc.c (input_operand): Properly test for short op.
2466 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2467 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2468 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2469 * config/sparc/elf.h: No longer include sol2.h.
2470 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2471 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2473 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2475 2001-01-01 Michael Hayes <mhayes@redhat.com>
2477 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2478 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2479 (record_initial): Likewise.
2480 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2481 (remap_split_bivs): Likewise.
2483 2001-01-01 Michael Hayes <mhayes@redhat.com>
2485 * loop.c (loop_ivs_free): New function.
2486 (strength_reduce): Break out from...
2488 2001-01-01 Michael Hayes <mhayes@redhat.com>
2490 * loop.h (struct iv): New.
2491 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2492 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2493 'reg_biv_class' fields with 'regs' and 'n_regs'.
2494 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2495 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2496 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2498 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2500 * resource.c (mark_referenced_resources): Abort() before
2501 attempting to mark a pseudo register.
2502 (mark_set_resources): Likewise.
2504 2001-01-01 Michael Hayes <mhayes@redhat.com>
2506 * loop.h (REG_IV_CLASS): New accessor macro.
2507 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2508 * unroll.c (REG_IV_CLASS): Likewise.
2510 See ChangeLog.4 for earlier changes.
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