1 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
8 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9 If REVERSE nonzero then condition code in X must be reversed.
10 (encode_section_info): Optimise if/else.
11 (avr_function_value): Fix formatting.
13 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
14 (difficult_branch): Likewise.
16 (difficult_rvbranch): Likewise.
18 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
20 * config/avr/libgcc.S: Fix comment.
22 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
24 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
26 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
28 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
30 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
32 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
33 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
34 * configure, config.in: Regenerate.
35 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
36 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
37 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
38 (doprint.o): New rule.
40 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
42 * c-typeck.c (digest_init): Handle boolean types as scalars.
44 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
46 * stmt.c (expand_return): Don't return anything if size is zero.
47 Delete redundant assignment to BYTES.
48 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
50 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
52 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
53 the same as the default library function names.
54 * config/avr/avr.md: Document special characters after '%'.
55 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
56 knowing which of the call-used registers are really clobbered.
57 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
58 New. Both quotient and remainder from one libgcc.S call.
59 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
60 clobber as few registers as possible.
61 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
63 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
65 * cppmacro.c (funlike_invocation_p): Don't move back up to the
66 context of the top of the stack.
68 2001-01-20 Jakub Jelinek <jakub@redhat.com>
70 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
71 (fixup_var_refs_insns): ...here.
73 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
75 * function.c (fixup_var_refs_insns): Break up into
76 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
77 [loop over entire insn list], and fixup_var_refs_insns_with_hash
78 [loop over hash table entries].
79 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
80 fixup_var_refs_insns_with_hash, to match above changes.
82 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
84 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
86 (stmp-multilib): Likewise.
87 (STAGE2_FLAGS_TO_PASS): Likewise.
89 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
91 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
92 temporary if no_new_pseudos.
94 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
96 * cppinternals.texi: Update.
98 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
100 * arm.c (arm_init_builtins): Re-enable builtins.
102 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
104 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
105 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
106 element to be null, and always expect an EXPR_LIST.
107 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
108 * sched-deps.c (sched_analyze_1): Likewise.
109 * sched-rgn.c (check_live_1, update_live_1): Likewise.
111 * regclass.c (max_set_parallel): New variable.
112 (reg_scan): Take it into account in computation of max_parallel.
113 (reg_scan_mark_refs, case SET): Compute it.
115 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
117 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
118 * function.c (assign_parms): Use INTVAL for a CONST_INT.
120 2001-01-19 Jason Merrill <jason@redhat.com>
122 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
123 for the abstract instance of an inline function.
125 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
126 J"orn Rennecke <amylaar@redhat.com>
128 * reload1.c (move2add_note_store): Treat all registers directly or
129 indirectly derived from a base register as members of the same set
131 (reload_cse_move2add): Adjust accordingly. Take mode and offset
132 of base register into account.
134 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
136 * alias.c (find_base_value): Recognize TRUNCATE.
137 (record_set): In PLUS case, invalidate if other summand is also a
140 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
142 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
143 entry to be EXPR_LIST.
144 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
145 be an EXPR_LIST (but not null, which other code doesn't allow).
146 (note_stores): Properly handle PARALLEL in SET.
147 Recursively call for top-level PARALLEL.
148 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
149 * sched-rgn.c (check_live_1, update_live_1): Likewise.
151 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
153 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
155 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
156 not pfile->skipping (== 0).
158 2001-01-17 Nick Clifton <nickc@redhat.com>
160 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
163 2001-01-17 Jim Wilson <wilson@redhat.com>
165 * invoke.texi (IA-64 options): Improve.
167 2001-01-17 Tom Tromey <tromey@redhat.com>
169 * invoke.texi (Optimize Options): Use `{}' to around @samp
172 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
174 * invoke.texi (-fno-guess-branch-probability): New option.
176 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
178 * combine.c (try_combine): Don't set i3_subst_into_i2 for
179 case of making new double-word constant.
180 Revert last change: instead just test i3_subst_into_i2.
182 2001-01-17 Jakub Jelinek <jakub@redhat.com>
184 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
185 Use q constraints instead of r.
187 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
189 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
190 (machine_function): Define.
191 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
192 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
193 pa_free_machine_status): New functions.
194 (override_options): Set {init,mark,free}_machine_status to above.
195 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
196 PIC_OFFSET_TABLE_REGNUM_SAVED.
197 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
198 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
199 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
200 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
201 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
203 2001-01-15 DJ Delorie <dj@redhat.com>
205 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
209 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
211 * flow.c (propagate_on_insn): Make trying to delete a prologue
212 or epilogue insn an ICE, not a warning. Allow doing this if
213 the current function returns with stack pointer depressed.
215 * combine.c (try_combine): If i3_subst_into_i2, properly check for
216 I3 having more than one SET.
218 2001-01-16 Jim Wilson <wilson@redhat.com>
220 * invoke.texi: Document IA-64 options.
222 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
223 (fixup_errata): Delete TARGET_A_STEP use.
224 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
225 (TARGET_SWITCHES): Delete -ma-step option.
226 * config/ia64/ia64.md (all FP patterns): Delete %B0.
227 (movqicc_astep, movqi_internal_astep, movhicc_astep,
228 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
229 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
230 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
231 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
233 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
234 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
235 cmovsi_internal): Delete ! TARGET_A_STEP check.
237 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
239 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
240 possibility to report bugs via postal mail. Change a URL and
241 merge in a nearly duplicate statement...
242 (Bug Reporting): ...from here.
243 (Service): Refer to the Bug Reporting section instead of
245 (Contributing): Remove trivial explanations concerning snapshots.
247 2001-01-16 Alan Modra <alan@linuxcare.com.au>
249 * cppmain.c (general_init): Don't use ANSI prototype.
251 2001-01-16 Tom Tromey <tromey@redhat.com>
253 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
255 2001-01-16 Richard Henderson <rth@redhat.com>
257 * config/i386/i386.h: Fix comment typo.
258 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
259 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
261 2001-01-16 Phil Edwards <pme@sources.redhat.com>
263 * gcc.c: Revert previous -fsyntax-only-related change; move
266 2001-01-16 Jakub Jelinek <jakub@redhat.com>
268 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
269 inmode after checking GET_CODE (op).
271 2001-01-16 Richard Henderson <rth@redhat.com>
273 * flow.c (struct propagate_block_info): Add mem_set_list_len.
274 (MAX_MEM_SET_LIST_LEN): New.
275 (propagate_one_insn): Update mem_set_list_len.
276 (invalidate_mems_from_autoinc): Likewise.
277 (invalidate_mems_from_set): Likewise.
278 (mark_used_regs): Likewise.
279 (init_propagate_block_info): Likewise. Stop collecting memories
280 when we reach MAX_MEM_SET_LIST_LEN.
281 (mark_set_1): Likewise.
283 2001-01-16 Richard Henderson <rth@redhat.com>
285 * unroll.c (precondition_loop_p): Fail if no iteration
288 2001-01-16 Phil Edwards <pme@sources.redhat.com>
290 * gcc.c: When -fsyntax-only is given, do not complain about
293 2001-01-15 Richard Henderson <rth@redhat.com>
295 * config/i386/i386.c (asm_output_function_prefix): Remove.
296 (ix86_asm_file_end): New.
297 (load_pic_register): Generate pic_label_name into a
298 staticly allocated buffer.
299 * config/i386/i386-protos.h: Update.
300 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
302 * config/i386/i386afe.h: New file.
303 * config.gcc (i?86-*-elf) [tm_file]: Use it.
304 (i?86-*-{freebsd,linux*,moss*}): Likewise.
305 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
306 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
307 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
308 * config/i386/sco5.h (ASM_FILE_END): Likewise.
309 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
311 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
313 * Makefile.in (install-man): Remove explicit dependency on
316 * configure.in, configure: Revert previous patch requiring perl
319 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
321 * toplev.c (flag_guess_branch_prob): New.
322 (f_options): Add guess-branch-probability option.
323 (rest_of_decl_compilation): Only estimate branch probability if
325 (main): set flag_guess_branch_prob.
327 * flags.h (flag_guess_branch_prob): New.
329 2001-01-15 DJ Delorie <dj@redhat.com>
331 * gcc.texi (Makefile): Add documentation for Makefile targets.
333 2001-01-15 Philip Blundell <philb@gnu.org>
335 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
337 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
338 (is_pic): Delete declaration.
339 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
340 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
341 * config/arm/arm.md (builtin_setjmp_receiver): New.
343 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
345 * arm.c (use_return_insn): Don't try to determine the function type
346 until after reload has completed.
347 (arm_output_epilogue): Don't adjust the sp value recovered from the
349 (emit_multi_reg_push): Don't record dwarf information for the pc.
350 * arm.md (eh_epilogue): The function type may have changed, so it
351 needs to be recalculated.
352 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
353 unwind tables on arm/netbsd.
355 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
357 * arm.md (cbranchsi4): Correct calculation of branch ranges.
358 (negated_cbranchsi4): Likewise.
360 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
362 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
363 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
364 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
365 pass -mapcs-* options to assembler.
366 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
367 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
368 (ASM_SPEC): Call subtarget_extra_asm_spec.
370 2001-01-15 Andreas Jaeger <aj@suse.de>
372 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
374 (ix86_expand_builtin): Likewise.
376 * gencodes.c (output_predicate_decls): Make i size_t to avoid
377 warning about comparison between signed and unsigned.
379 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
381 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
383 2001-01-14 Ralf Baechle <ralf@gnu.org>
385 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
386 SUBTARGET_CPP_SPEC apropriatly.
388 2001-01-12 Mark Mitchell <mark@codesourcery.com>
390 * varasm.c (make_decl_rtl): Fix typo in last change.
392 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
394 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
395 linker supports the init_priority C++ attribute.
396 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
397 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
398 linker does not support init_priority C++ attribute.
400 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
402 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
404 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
406 * c-parse.in (finish_parse): Add comment about cpp_destroy.
407 * cp/lex.c (finish_parse): Similarly.
408 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
409 Return the number of errors encountered.
410 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
411 * cppmain.c (main): Don't call cpp_destroy.
413 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
415 * configure.in: Require at least perl 5.6.0 to regenerate
417 * configure: Regenerate.
419 2001-01-14 Richard Henderson <rth@redhat.com>
421 * genrecog.c (DT_veclen_ge): New.
422 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
423 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
424 (nodes_identical_1): Handle DT_veclen_ge.
425 (write_cond, debug_decision_2): Likewise.
427 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
429 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
431 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
433 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
435 * cppmain.c (do_preprocessing): New function; most of the old
437 (main): Call it to do most of the work.
438 (cb): Move from global scope to set_callbacks ().
439 (setup_callbacks): Get the callback pointer.
440 (general_init, printer_init): Clean up code and comments.
442 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
444 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
447 2001-01-14 Kazu Hirata <kazu@hxi.com>
449 * config/h8300/h8300.c (get_shift_alg): Update comments.
451 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
453 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
454 (alloc_page, ggc_alloc): Add casts to remove warnings.
456 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
458 * combine.c (simplify_comparison): Don't change `code' when
459 can't reverse comparison.
461 2001-01-14 Richard Henderson <rth@redhat.com>
463 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
464 update all call sites. Return true for all non-label constants.
466 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
468 * i386.c (ix86_expand_compare): Add bypass_test and second_test
470 (ix86_expand_branch): Update.
471 (ix86_expand_setcc): Update to handle multiple test conditions.
472 (expand_int_movcc): Likewise.
473 (expand_fp_movcc): Likewise.
474 * i386-protos.h (ix86_expand_compare): New.
475 * i386.md (andqi_?_slp, orqi_?_slp): New.
476 (conditional trap expander): Update call to ix86_expand_compare.
478 2001-01-14 Richard Henderson <rth@redhat.com>
480 * config/vax/vax.md: Use nonimmediate_operand instead of
481 general_operand in destinations.
483 * config/vax/vax.md (indirect_jump): Use register_operand.
485 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
486 * config/vax/vax.md (call_pop): Turn into an expander.
487 (call_value_pop): Likewise.
488 (call, call_value): New.
490 2001-01-14 Andreas Jaeger <aj@suse.de>
492 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
494 (ix86_fp_compare_mode): Add unused attribute.
495 (ix86_expand_fp_movcc): Remove unused variable.
496 (ix86_expand_builtin): Make fcode unsigned.
498 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
499 (expand_expr): Add cast to avoid signed warning.
500 (store_field): Likewise.
501 (store_constructor_field): Likewise.
502 (store_constructor): Likewise.
503 (store_expr): Likewise.
504 (clear_storage): Likewise.
505 (emit_group_store): Likewise.
506 (emit_group_load): Likewise.
508 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
510 * c-common.c: Move format checking code to ...
511 * c-format.c: ... here. New file. Reorder some functions and
513 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
515 * c-common.h (decl_handle_format_attribute,
516 decl_handle_format_arg_attribute): Declare.
517 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
518 (c-common.o): Adjust dependencies.
519 (c-format.o): New list of dependencies.
521 2001-01-13 Jakub Jelinek <jakub@redhat.com>
523 * unroll.c (loop_iterations): If we cannot prove iteration variable
524 is set once in each iteration, punt.
526 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
528 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
529 (*strlenhi): Remove clobber (which was buggy) of output address.
531 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
533 * Makefile.in (generated-manpages): Add gcc.1
534 ($(srcdir)/gcc.1): New target.
535 (maintainer-clean): Delete $(srcdir)/gcc.1.
536 * gcc.texi: Add macros @gccoptlist and @gol.
537 * invoke.texi: Include option summary in manpage. Mark up option
538 summary with @gccoptlist and @gol. Use @r in one place where
540 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
541 * gcc.1: Generate from invoke.texi.
543 2001-01-13 Richard Henderson <rth@redhat.com>
545 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
546 (struct page_entry): Add group member.
547 (struct page_group): New.
548 (struct globals): Add page_groups member.
549 (alloc_anon): Only define for using mmap; remove valloc call.
550 (page_group_index): New.
551 (set_page_group_in_use): New.
552 (clear_page_group_in_use): New.
553 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
554 (free_page, release_pages): Likewise.
555 * configure.in (with-gc): Default to ggc-page always.
557 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
559 * reload1.c (replace_pseudos_in_call_usage): Use
560 reg_equiv_constant and reg_equiv_address, and don't try
563 2001-01-13 Richard Henderson <rth@redhat.com>
565 * ggc-page.c (alloc_page): Round up allocation size to one page.
566 Set e->order on extra pages.
568 2001-01-13 Richard Henderson <rth@redhat.com>
570 * genrecog.c (nodes_identical): Expand commentary.
571 (write_switch): Watch out for identical nodes.
573 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
575 * cppfiles.c (_cpp_fake_include): New function.
576 * cpphash.h (_cpp_fake_include): New.
577 * cpplib.c (do_line): Call _cpp_fake_include when entering
578 header files in preprocessed input.
579 * cppmain.c (cb_pragma_implementation): Remove handling.
580 (setup_callbacks): Don't register pragmas.
582 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
584 * extend.texi: Udate for CPP.
586 2001-01-13 Andreas Jaeger <aj@suse.de>
588 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
590 * regmove.c: Add prototype for replace_in_call_usage.
592 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
594 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
595 struct cpp_chunk, struct htab, struct toklist,
596 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
597 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
598 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
599 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
600 (struct macro_args): Delete.
601 * cpphash.h: See above.
603 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
605 * cppmain.c (struct printer): Remove no_line_dirs.
607 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
608 : Use options rather than CPP_OPTION.
609 (setup_callbacks): Use cb rather than pfile->cb.
610 (main): No need to check for a buffer. Use cpp_errors.
611 (printer_init): Don't set no_line_dirs.
612 (maybe_print_line): Use options not no_line_dirs.
613 (cb_file_change): Don't call print_line if -P.
615 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
617 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
619 * c-parse.in (finish_parse): Use cpp_errors.
620 (__yylex): Use return value of cpp_pop_buffer.
621 * cp/lex.c (finish_parse): Use cpp_errors.
622 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
624 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
626 * README.AVR: URLs corrected.
628 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
630 * c-decl.c (start_function): Don't warn if old prototype is builtin
631 that's not in C's namespace.
632 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
633 (_bb): Add prototype for ctime.
634 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
636 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
638 * i386.c (ix86_fp_comparison_arithmetics_cost,
639 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
640 ix86_fp_comparison_cost): New functions.
641 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
642 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
643 two-branch sequences; make static.
644 (ix86_use_fcomi_compare): Do decision according to the costs.
645 (split_fp_branch): New.
646 * i386.md (compare-and-branch patterns): Use split_fp_branch.
647 * i386-protos.h (ix86_expand_fp_compare): Remove
648 (ix86_split_fp_branch): Declare.
650 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
651 and ix86_comparison_operator.
653 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
656 * i386.c (put_condition_code): Output properly the unordered/ordered
658 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
660 * tm.texi (REVERSE_CONDITION): Document.
661 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
663 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
665 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
667 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
669 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
672 * config/sh/sh.c (mova_p): Fix test for mova_const.
674 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
676 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
677 cpp_get_options rather than dereferencing pfile and using
679 * scan-decls.c (scan_decls): Use return value of
680 cpp_pop_buffer rather than CPP_BUFFER.
682 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
684 * cppinit.c (cpp_handle_option): help_only is now part of the
685 cpp_options structure.
686 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
687 cpp_set_callbacks): New functions.
688 * cpplib.h (cpp_callbacks): Break out as a named structure.
689 (cpp_options): Move help_only here from cpp_reader.
690 (CPP_FATAL_ERRORS): Update to use cpp_errors.
691 (cpp_errors, cpp_get_options, cpp_get_callbacks,
692 cpp_set_callbacks): New prototypes.
693 * cppmain.c (main): Update for help_only.
695 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
697 * Makefile.in (info, maintainer-clean, install-info, uninstall):
698 Also build and remove and install and uninstall c-tree.info and
700 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
701 ($(srcdir)/cppinternals.info): New target.
702 * c-tree.texi: Change file name used when makeinfo used without -o
703 from ir.info to c-tree.info. Add info directory entry.
704 * cppinternals.texi: Add info directory entry.
705 * .cvsignore: Update.
707 2001-01-12 Jakub Jelinek <jakub@redhat.com>
709 * c-typeck.c (store_init_value): Don't require constant initializer
710 elements with -pedantic -std=c99.
711 (digest_init): Change error about non-constant initializer elements
713 (constructor_range_end): Remove.
714 (constructor_incremental, designator_depth,
715 designator_errorneous): New variables.
716 (struct constructor_stack): Remove range_end, add incremental.
717 (struct constructor_range_stack, constructor_range_stack): New.
718 (struct initializer_stack): Add constructor_range_stack.
719 (finish_init): Set it.
720 (start_init): Likewise. require_constant_elements for non-static
721 trees only if not flag_isoc99.
722 (really_start_incremental_init): Remove constructor_range_end, add
723 constructor_incremental.
724 (pop_init_level): Likewise.
725 (push_init_level): Likewise. If implicit and the subobject had some
726 value set already, preinitialize the level with it.
727 Warn about missing braces only if not pushing due to designators.
728 (set_designator, push_range_stack): New functions.
729 (set_init_label): Use them.
730 (set_init_index): Likewise. Remove constructor_range_end.
731 Error if designator index is outside of array bounds.
732 (add_pending_init): Compare values of purpose index trees, not the
733 trees themselves. Allow overwriting of already initialized element.
734 Issue a warning if it had side-effects.
735 (set_nonincremental_init, set_nonincremental_init_from_string): New
737 (pending_init_member): Rename to...
738 (find_init_member): ...this function. Call set_nonincremental_init
739 if necessary. Compare values of purpose index trees, not the trees
740 themselves. Return the actual value, not just non-zero if something
742 (output_init_element): Remove checks for duplicates.
743 If field has zero size, only check the initializer for correctness.
744 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
745 if constructor_incremental is zero. Change error about initializers
746 not computable at load time into pedwarn.
747 (output_pending_init_elements): Compare bit positions, not
748 FIELD_DECLs to take into account zero-sized fields.
749 (process_init_element): Use constructor_range_stack to fill all
750 ranges in the designator lists from current level up.
751 * extend.texi: Update documentation for labeled elements.
753 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
755 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
756 to function usage for arguments passed by reference. Optimize
757 callee-copied arguments.
758 * regmove.c (replace_in_call_usage): New function.
759 (fixup_match_1): Call it.
760 * cse.c (cse_insn): Canonicalize registers in function usage.
761 * reload1.c (replace_pseudos_in_call_usage): New function.
764 * Makefile.in: Reverted yesterday's wrong patch. Installed the
767 2001-01-12 Jakub Jelinek <jakub@redhat.com>
769 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
772 2001-01-12 DJ Delorie <dj@redhat.com>
774 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
775 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
778 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
780 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
781 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
782 -std options alongside references to -ansi. Update some
783 documentation for C99.
786 2001-01-12 Andreas Jaeger <aj@suse.de>
788 * haifa-sched.c (restore_line_notes): Remove argument block B
790 * sched-ebb.c (schedule_ebb): Change caller.
791 * sched-rgn.c (schedule_region): Likewise.
792 * sched-int.h (restore_line_notes): Adjust prototype.
794 * loop.h: Remove wrong declaration of doloop_condition_get.
796 2001-01-12 Phil Edwards <pme@sources.redhat.com>
798 * extend.texi: Move C++-extension-related node from the C section
799 into the C++ section.
801 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
803 * extend.texi: Refer to an array of pointers to functions instead
806 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
807 Jan Hubicka <jh@suse.cz>
809 * combine.c (reversed_comparison): Fix typo in last patch.
811 (combine_reversed_comparison_code): Make static to follow
812 prototype declaration.
814 2001-01-12 Phil Edwards <pme@sources.redhat.com>
816 * install.texi: Remove misplaced duplicate entry.
818 2001-01-11 Ulrich Drepper <drepper@redhat.com>
820 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
822 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
824 * final.c: (leaf_function_p): Fix typo.
826 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
828 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
829 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
831 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
832 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
833 mmap_anon, and valloc is available.
834 * ggc-page.c: Restructure ifdef logic to match new autoconf
835 spec. Don't throw away the test page in init_ggc.
837 * configure, config.in: Regenerate.
839 2001-01-12 Michael Hayes <mhayes@redhat.com>
841 * loop.h (total_biv_increment): Constify iv_class pointer.
842 (struct induction): Replace `mem_mode' with `mem' rtx.
843 * unroll.c (total_biv_increment): Constify iv_class pointer.
844 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
845 (find_mem_givs, combine_givs_p): Likewise.
846 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
848 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
850 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
852 (__gthread_getspecific): Ditto.
854 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
856 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
857 put_condition_code): Convert fp comparison codes to integer
859 (ix86_expand_fp_compare): Postnote the fp comparison code converison
862 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
863 * i386-protos.h (no_comparison_operator): Kill.
865 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
867 * combine.c (REVERSIBLE_CC_MODE): Remove.
868 (reversible_comparison_p): Remove.
869 (combine_reversed_comparison_code): New.
870 (reversed_comparison): New.
871 (combine_simplify_rtx): Use
872 combine_reversed_comparison_code/reversed_comparison instead
873 of reversible_comparison_p.
874 (simplify_if_then_else): Likewise.
875 (simplify_set): Likewise.
876 (simplify_logical): Likewise.
877 (if_then_else_cond): Likewise.
878 (known_cond): Likewise.
879 (simplify_comparison): Likewise.
881 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
883 * builtins.c (std_expand_builtin_va_start): Handle varargs when
884 sizeof (int) is larger than sizeof(__word__).
886 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
888 * cppinit.c (do_includes): Fix typo.
890 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
892 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
893 in S_REGS does not occur because not all sources are possible
894 when a S_REGS is a destination (sometimes needs a clobber).
895 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
896 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
897 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
898 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
899 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
900 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
901 (lshrdi_const1, lshrsi3_const16): Likewise.
902 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
903 (*movhi_68hc12, *movqi_68hc12): Likewise.
904 (movstrictqi): Make sure reloading in D_REGS as a destination
907 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
909 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
911 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
913 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
914 -D, -U and -A, and don't initialize the builtins.
915 (do_includes): Error if -include or -imacros with -fpreprocessed.
916 * cppmain.c (cb_define, cb_undef): Unconditionally process
918 * tradcpp.c (main): Fix typo.
920 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
922 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
923 (read_name_map): Use IS_ABSOLUTE_PATH.
924 * tradcpp.c (get_filename): Likewise.
926 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
928 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
929 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
930 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
931 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
932 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
933 (cmphi_z_used): Don't use '@' for the output.
934 (tstqi_z_used): Likewise.
935 (cmpqi_z_used): Likewise.
936 (one_cmplsi2): Likewise.
938 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
940 * config/sh/sh.c (barrier_align): Recognize branch around far
941 branch and redundant insn.
943 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
945 * invoke.texi: Restore documentation of the drivers' switches -MD
948 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
950 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
952 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
953 check-objc//%): Support parallel testing of multilibs.
954 (TESTSUITEDIR): Set to testsuite by default, but override for
956 (check-gcc, check-g++, check-g77, check-objc): Enter
959 2001-01-11 Bernd Schmidt <bernds@redhat.com>
961 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
962 * sched-deps.c (deps_may_trap_p): Likewise.
963 * basic-block.h: Remove a comment.
964 * flow.c (PROP_POSTRELOAD): Remove.
965 (update_life_info): Don't add it to prop_flags.
966 (mark_set_1): Lose the code that was enabled by it.
968 2001-01-11 Michael Hayes <mhayes@redhat.com>
970 * flow.c (flow_call_edges_add): New.
971 * basic_block.h (flow_call_edges_add): New.
973 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
975 * reload1.c (move2add_note_store): Update reg_set_luid even if
976 base reg remains the same.
978 2001-01-10 Nick Clifton <nickc@redhat.com>
980 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
981 machine_function structure to zero.
982 Add prototypes for machine_status functions.
984 2001-01-10 Mark Mitchell <mark@codesourcery.com>
986 * c-common.h (CTI_VOID_LIST): Remove.
987 (void_list_node): Likewise.
988 * tree.h (TI_VOID_LIST_NODE): New enumeral.
989 (void_list_node): New macro.
990 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
991 * config/i386/i386.c (ix86_init_builtins): Likewise.
992 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
994 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
996 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
997 * cppinit.c (cpp_start_read): Update comment, remove unneeded
999 * tradcpp.c: Include mkdeps.h.
1000 (deps, print_deps_phony_targets, deps_append, output_deps,
1001 init_dependency_output, output_deps): New.
1002 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1003 deps_output): Delete.
1004 (print_deps_missing_files): Rename deps_missing_files.
1005 (inhibit_output): Make global.
1006 (main): Delete inhibit_output, deps_stream, deps_target.
1007 Use mkdeps functionality in the same way as cpplib. Remove
1008 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1009 -M and -MM. Remove old handling of deps via deps_out, and
1010 old reading of environment variables.
1011 (get_filename): Update to use deps_add_dep.
1013 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1015 * output.h (make_function_rtl): Remove prototype.
1016 (make_decl_rtl): Likewise.
1017 * varasm.c (make_function_rtl): Remove.
1018 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1019 than from a third parameter.
1020 * tree.h (make_decl_rtl): Remove last parameter.
1021 * c-decl.c (builtin_function): Remove last argument in call to
1022 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1023 (start_function): Likewise.
1024 * except.c (call_get_eh_context): Likewise.
1025 * expr.c (emit_block_move): Likewise.
1026 (clear_storage): Likewise.
1027 * profile.c (output_func_start_profiler): Likewise.
1028 * toplev.c (rest_of_decl_compilation): Likewise.
1029 * objc/objc-act.c (create_builtin_decl): Likewise.
1030 (synth_module_prologue): Likewise.
1031 (generate_static_reference): Likewise.
1032 (build_selector_reference_decl): Likewise.
1033 (build_class_reference_decl): Likewise.
1034 (build_objc_string_decl): Likewise.
1035 (build_protocol_reference): Likewise.
1037 2001-01-10 Richard Henderson <rth@redhat.com>
1039 * hwint.h: Revert yesterday's change.
1041 2001-01-10 Nick Clifton <nickc@redhat.com>
1043 * function.h (save_machine_status): Delete.
1044 (restore_machine_status): Delete.
1045 Amend comment describing {init|mark|free}_machine_status.
1047 * function.c (save_machine_status): Delete.
1048 (restore_machine_status): Delete.
1049 Amend comment describing {init|mark|free}_machine_status.
1050 (push_function_context_to): Remove invocation of
1051 save_machine_status.
1052 (pop_function_context_from): Remove invocation of
1053 restore_machine_status.
1055 * emit-rtl.c (init_emit_once): Amend comment describing
1056 {init|mark|free}_machine_status.
1058 * tm.texi (Per-Function Data): New node. Describe the
1059 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1062 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1064 * cppinit.c (OPT_g): Remove.
1065 (cpp_handle_option): Update for removed -g3.
1066 (print_help): Update.
1067 * cpplib.h (struct cpp_options): Remove debug_output.
1068 * cppmain.c (setup_callbacks, cb_define): Update.
1069 * gcc.c (cpp_options): Translate -g3 to -dD.
1071 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1073 * config/i960/i960.md: Change modifier to + on the zero_extract
1074 pattern after the (rotate -2 reg) canonicalization pattern.
1076 2001-01-10 Richard Henderson <rth@redhat.com>
1078 * config/alpha/alpha.c (alpha_free_machine_status): New.
1079 (override_options): Install it.
1080 (alpha_mark_machine_status): Verify machine non-null.
1081 * config/i386/i386.c (ix86_free_machine_status): New.
1082 (override_options): Install it.
1083 (ix86_init_machine_status): Use xcalloc.
1084 (ix86_mark_machine_status): Verify machine non-null.
1085 * config/ia64/ia64.c (ia64_free_machine_status): New.
1086 (ia64_override_options): Install it.
1087 (ia64_mark_machine_status): Verify machine non-null.
1089 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1091 * function.c (instantiate_virtual_regs): Instantiate virtual
1092 registers found in CALL_INSN_FUNCTION_USAGE.
1094 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1096 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1097 equivalent to -ansi in disabling -Di386.
1099 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1101 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1103 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1105 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1107 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1109 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1111 * invoke.texi: Document that -fcond-mismatch isn't supported for
1114 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1116 * gcc.texi: Define macro gcctabopt.
1117 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1118 @command, @env and @option in some places where appropriate. Use
1119 @gcctabopt where appropriate. Put URLs and email addresses inside
1122 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1124 * gcc.c (cpp_options): Set MD file name from output
1125 filename, if specified.
1126 (suffix_subst): New static variable.
1127 (do_spec): Clear it.
1128 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1130 (give_switch): Handle suffix_subst.
1132 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1134 * invoke.texi: Fix another typo.
1136 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1138 * invoke.texi: Fix typo.
1140 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1142 * c-lang.c (lang_hooks): Update.
1143 (lang_decode_option): Remove.
1144 (lang_init_options): Rename c_init_options.
1145 * toplev.c (main): Use lang_hooks for lang_init_options
1146 and lang_decode_option.
1147 * toplev.h (lang_hooks): Add 2 new hooks.
1148 * tree.h: Remove lang_init_options and lang_decode_option.
1149 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1150 * cp/decl2.c: Similarly.
1151 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1152 (lang_hooks): Update.
1153 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1155 (lang_init_options): Rename ffe_init_options.
1156 (lang_hooks): Update.
1157 (lang_decode_option): Remove.
1158 * java/lang.c (lang_init_options): Rename java_init_options.
1159 (lang_decode_option): Rename java_decode_option.
1160 (lang_hooks): Update.
1161 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1162 (lang_decode_option): Rename objc_decode_option.
1163 (lang_hooks): Update.
1165 2001-01-09 Nick Clifton <nickc@redhat.com>
1167 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1168 (d30v_return_addr_rtx): Delete.
1169 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1170 cfun->machine structure.
1171 (struct machine_function): Move to d30v.h
1172 (d30v_save_machine_status): Delete.
1173 (d30v_restore_machine_status): Delete.
1174 (d30v_init_machine_status): New Function.
1175 (d30v_mark_machine_status): New Function.
1176 (d30v_free_machine_status): New Function.
1177 (d30v_init_expanders): Use new functions.
1178 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1179 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1180 d30v_return_addr_rtx.
1182 * config/d30v/d30v.h (struct_machine): Move here.
1183 Add eh_epilogue_sp_ofs field.
1185 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1186 field in cfun->machine structure.
1188 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1190 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1191 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1192 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1194 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1196 * objc/lang-options.h: Remove bogus reference to
1199 2001-01-09 Kazu Hirata <kazu@hxi.com>
1201 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1204 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1206 * reload.c (find_reloads_address): Check for eliminable registers
1207 when substituting a constant expression for a pseudo.
1209 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1211 * c-common.c (enum format_type): Add format_type_error.
1212 (decode_format_type): New function.
1213 (decl_attributes): Use it.
1214 (format_kind_info): Adjust comment.
1216 2001-01-09 David O'Brien <obrien@BSDi.com>
1218 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1219 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1221 * config/i386/gnu.h: Don't include required platform specific .h files,
1222 tm.h will do it instead.
1223 * config/i386/i386elf.h: Likewise.
1224 * config/i386/linux.h: Likewise.
1225 * config/i386/moss.h: Likewise.
1226 * config/mips/gnu.h: Likewise.
1228 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1230 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1231 (rs6000-ibm-aix3.[01]*): Likewise.
1232 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1233 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1234 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1235 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1236 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1237 (powerpc-*-eabiaix*): Likewise.
1238 (powerpc-*-eabisim*): Likewise.
1239 (powerpc-*-elf*): Likewise.
1240 (powerpc-*-eabi*): Likewise.
1241 (powerpc-*-rtems*): Likewise.
1242 (powerpc-*-linux*libc1): Likewise.
1243 (powerpc-*-linux*): Likewise.
1244 (powerpc-wrs-vxworks*): Likewise.
1245 (powerpcle-wrs-vxworks*): Likewise.
1246 (powerpcle-*-sysv*): Likewise.
1247 (powerpcle-*-elf*): Likewise.
1248 (powerpcle-*-eabisim*): Likewise.
1249 (powerpcle-*-eabi*): Likewise.
1250 (powerpcle-*-solaris2*): Likewise.
1251 * config/rs6000/aix31.h: Delete includes.
1252 * config/rs6000/aix3newas.h: Likewise.
1253 * config/rs6000/aix41.h: Likewise.
1254 * config/rs6000/aix43.h: Likewise.
1255 * config/rs6000/beos.h: Likewise.
1256 * config/rs6000/rtems.h: Likewise.
1257 * config/rs6000/sysv4.h: Likewise.
1259 2001-01-09 Kazu Hirata <kazu@hxi.com>
1261 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1262 Change an argument mode of machine_mode to shift_mode of
1263 shift_mode. Remove an extra error check.
1264 (emit_a_shift): Adopt to the new calling prototype of
1266 (function_prologue): Fix code for a monitor
1267 function. Support H8/S.
1268 (function_epilogue): Do not output pop for a monitor function.
1270 2001-01-09 Nick Clifton <nickc@redhat.com>
1272 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1273 (setup_incoming_varargs): Use sysv_varargs_p field of the
1274 cfun->machine structure.
1275 (struct machine_function): Move to rs6000.h
1276 (rs6000_save_machine_status): Delete.
1277 (rs6000_restore_machine_status): Delete.
1278 (rs6000_init_machine_status): New Function.
1279 (rs6000_free_machine_status): New Function.
1280 (rs6000_init_expanders): Use new functions.
1282 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1284 (struct machine_function): Move here.
1286 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1287 sysv_varargs_p field of the cfun->machine structure.
1289 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1291 (rs6000_restore_machine_status): Remove prototype.
1293 2001-01-09 Richard Henderson <rth@redhat.com>
1295 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1296 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1297 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1298 (sched_analyze_2, sched_analyze_insn): Likewise.
1299 (sched_analyze, init_deps): Likewise.
1300 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1301 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1302 (compute_block_backward_dependences): Update propagate_deps call.
1304 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1306 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1308 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1310 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1311 (cpp_handle_option): Handle them.
1312 (cpp_post_options): Ensure one of -M or -MM is specified with
1313 any other -M? option.
1314 (init_dependency_output): Suppress output with -MG.
1316 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1319 * invoke.texi: Update.
1321 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1323 * sh.md (reload_outsf): Generate recognizable patterns for
1326 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1328 * c-lang.c (lang_hooks): Update.
1329 (lang_init): Rename c_init.
1330 (lang_finish): Remove.
1331 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1333 * toplev.h (lang_hooks): Add init () and finish ().
1334 * tree.h (lang_init, lang_finish): Remove.
1335 * cp/tree.h (lang_init, lang_finish): Remove.
1336 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1337 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1339 (lang_init, lang_finish): Remove.
1340 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1341 (lang_hooks): Update.
1342 * java/lang.c (lang_init): Rename java_init.
1343 (lang_finish): Remove.
1344 (lang_hooks): Update.
1345 * objc/objc-act.c (lang_init): Rename objc_init.
1346 (lang_finish): Remove.
1347 (lang_hoooks): Update.
1349 20001-01-09 Graham Stott <grahams@redhat.com>
1351 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1352 after `ptr` is initialised.
1354 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1356 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1357 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1358 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1359 stack adjusts, instead of r3.
1361 2001-01-09 Michael Hayes <mhayes@redhat.com>
1363 * flow.c (flow_loop_scan): Break out of ...
1364 (flow_loops_find) ... here.
1365 * basic-block.h (flow_loop_scan): New.
1366 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1367 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1369 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1371 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1373 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1374 realloc()ing macro_buffer.
1376 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1377 if it's wider than long and the target's long is wider than the
1380 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1382 Remove support for using UWIN as a host machine.
1383 * configure.in: Issue an error message.
1384 * configure: Regenerated.
1385 * config.gcc: Remove xm_* UWIN configury.
1386 * config/i386/xm-uwin.h: Remove.
1388 2001-01-08 Nick Clifton <nickc@redhat.com>
1390 * config/v850/v850.c (ra_rtx): Delete.
1391 (v850_save_machine_status): Delete.
1392 (v850_restore_machine_status): Delete.
1393 (v850_init_machine_status): New function.
1394 (v850_mark_machine_status): New function.
1395 (v850_free_machine_status): New function.
1396 (v850_return_addr): Use ra_rtx field in machine structure.
1397 (v850_init_expanders): Use new functions.
1399 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1400 * config/v850/v850.c: Change arguments to v850_output+* functions
1401 to take a const char *, to avoid compile time warning.
1402 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1403 (USER_LABEL_PREFIX): Redefine.
1405 2000-01-08 Jim Wilson <wilson@redhat.com>
1407 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1408 1 to unsigned HOST_WIDE_INT before left shift.
1410 2001-01-08 Nick Clifton <nickc@redhat.com>
1412 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1413 the machine structure has been allocated.
1414 (arm_free_machine_status): New function: Free the machine
1415 specific function structure.
1417 2001-01-08 Richard Henderson <rth@redhat.com>
1419 * jump.c (simplejump_p): Revert last change.
1421 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1423 * cppinit.c (init): Rename init_library.
1424 (cpp_create_reader): Update.
1425 * gcc.c (cpp_options): If -o given, use it as the target of
1428 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1430 * arm.c (arm_arch5e): New variable.
1431 (all_cores): XScale is a 5TE device.
1432 (arm_override_options): Set arm_arch5e.
1433 (arm_init_builtins): __builtin_prefetch is in arch5e.
1434 * arm.h (arm_arch5e): Declare it.
1436 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1438 * arm.md (define_constants): Add defines for UNSPEC and
1439 UNSPEC_VOLATILE insns. Update all users.
1440 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1441 * arm.c (multi_register_push, note_invalid_constants)
1442 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1443 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1444 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1446 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1448 * jump.c (jump_optimize_1): Use reversed_comparison_code
1449 instead of can_reverse_comparison_p.
1450 (jump_back_p): Likewise.
1451 (invert_exp_1): Likewise.
1452 (thread_jumps): Likewise.
1453 * simplify-rtx.c (simplify_unary_operation): Likewise.
1454 (simplify_ternary_operation): Likewise.
1455 * cse.c (find_comparison_args): Convert to use
1456 can_reverse_comparison_p.
1457 (record_jump_equiv): Likewise.
1459 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1461 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1462 (EPILOGUE_USES): Define.
1463 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1464 automatically stack the LR if it isn't live.
1466 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1468 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1471 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1473 * ggc-page.c (max_alignment): New structure.
1474 (MAX_ALIGNMENT): New macro.
1475 (init_ggc): Use it to round up the sizes in the
1476 extra_order_size_table.
1478 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1480 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1483 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1485 * builtins.def (BUILT_IN_FPRINTF): New entry.
1487 * c-common.c (c_expand_builtin_fprintf): New function.
1488 (init_function_format_info): Handle __builtin_fprintf.
1489 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1490 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1492 * c-decl.c (duplicate_decls): Adjust comment.
1494 * extend.texi (fprintf): Document new builtin.
1496 2001-01-07 Richard Henderson <rth@redhat.com>
1498 * jump.c (simplejump_p): Recognize any single_set jump
1501 2001-01-07 Richard Henderson <rth@redhat.com>
1503 * configure.in (slibdir): Accept an --with-slibdir option.
1504 Use "test" not "[" in configure. Default to $(libdir).
1506 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1508 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1509 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1510 (SHLIB_LINK): Create links for the soname.
1511 * config/mips/t-iris6: Likewise.
1512 * config/sparc/t-slibgcc: Likewise.
1513 * config/sparc/t-slibgcc-sld: Likewise.
1515 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1517 * config/i386/i386.c (constant_call_address_operand): Accept
1518 (const (plus (symbol_ref) (const_int))).
1519 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1520 constant_call_address_operand.
1522 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1524 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1525 and LONG_LONG_TYPE_SIZE > 32.
1527 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1529 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1530 the previous change.
1532 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1534 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1536 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1537 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1538 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1541 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1543 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1545 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1547 * c-lang.c (c_post_options): Call cpp_post_options.
1548 * objc/objc-act.c (objc_post_options): Similarly.
1549 * cppmain.c (main): Similarly.
1550 * fix-header.c (read_scan_file): Similarly.
1551 * cppinit.c (cpp_start_read): Move option consistency checks
1552 to cpp_post_options. Don't call init_dependency_output.
1553 If needed, add default target and main file dependency.
1554 (OPT_MD, OPT_MMD): Remove.
1556 (cpp_handle_option): Update for OPT_* changes.
1557 (cpp_post_options): New.
1558 (init_dependency_output): Command line -MF overrides environment
1559 variables. Don't set default target etc. Suppress output
1560 if dependencies are going to stdout.
1561 (print_help): Update.
1562 * cpplib.h (cpp_post_options): New.
1563 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1565 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1567 * jump.c (comparison_dominates_p): Support unordered compares.
1569 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1571 * simplify-rtx.c (simplify_relational_operation): Always simplify
1572 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1575 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1577 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1578 (nonzero_bits): Likewise.
1579 (simplify_comparison): Likewise.
1580 (num_sign_bit_copies): Likewise; return more sane value depending
1581 on STORE_FLAG_VALUE.
1582 (known_cond): Do not assume EQ to be always true for equivalent
1585 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1587 * cse.c (fold_rtx): Handle unordered comparisons.
1589 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1591 * rtlanal.c (set_of_1): New static function.
1592 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1593 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1594 reg_set_last_last_regno): Remove.
1595 (set_of): New global function.
1596 (set_of_data): New structure.
1597 (reg_set_p, reg_set_last): Revamp for set_of.
1598 * rtl.h (set_of): New.
1600 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1602 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1603 * extend.texi: Document _Exit builtin.
1605 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1607 * (initialize, initialize_builtins,
1608 initialize_dependency_output, initialize_standard_includes):
1609 Rename s/initialize/init. Update.
1610 (init_dependency_output): Move to after
1611 cpp_handle_options, the correct location temporally at least.
1612 (opt_comp): Move next to init (), its caller. Fix prototype.
1613 (init): Make "initialized" local scope.
1614 (cpp_create_reader): Always call init ().
1615 (cpp_start_read): Update.
1616 (output_deps): New function, broken out of cpp_finish.
1617 (cpp_finish): Break out output_deps.
1619 2001-01-07 Richard Henderson <rth@redhat.com>
1621 * collect2.c (COFF specific stuff): Revert 12-06 patch
1622 to prototype system functions.
1624 2001-01-07 Michael Hayes <mhayes@redhat.com>
1626 * hard-reg-set.h: Add multiple include guard.
1627 * basic-block.h (struct loop): Add `sink' field.
1628 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1629 (emit_iv_add_mult): Delete.
1630 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1631 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1632 (unroll_loop): Remove end_insert_before argument.
1633 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1634 (maybe_eliminate_biv_1): Likewise.
1635 (emit_iv_add_mult): Delete.
1636 (gen_add_mult, loop_regs_update): New.
1637 (loop_insn_emit_after, loop_insn_emit_before): New.
1638 (loop_insn_sink, loop_insn_sink_or_swim): New.
1639 (emit_iv_add_mult): Delete.
1640 (scan_loop): Set loop->sink.
1641 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1642 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1643 (maybe_eliminate_biv_1): Likewise.
1644 (maybe_eliminate_biv_1): Add basic block argument.
1645 * unroll.c (unroll_loop): Remove end_insert_before argument.
1646 (find_splittable_regs): Likewise.
1647 (find_splittable_regs): Use loop_insn_sink and its ilk.
1648 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1650 2001-01-07 Michael Hayes <mhayes@redhat.com>
1652 * loop.h (loop_insn_hoist): New prototype.
1653 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1654 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1655 (check_dbra_loop, load_mems): Likewise.
1656 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1657 (find_splittable_givs): Likewise.
1659 2001-01-07 Michael Hayes <mhayes@redhat.com>
1661 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1663 2001-01-07 Richard Henderson <rth@redhat.com>
1665 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1667 2001-01-07 Richard Henderson <rth@redhat.com>
1669 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1670 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1671 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1672 variant that handles a shared libgcc.
1673 (process_command): Always validate -{static,shared}-libgcc.
1674 (do_spec_1): New 'M' case.
1675 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1677 2001-01-07 Richard Henderson <rth@redhat.com>
1679 * Makefile.in (slibdir): New variable.
1680 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1681 (installdirs): Create slibdir.
1682 (install-libgcc, install-multilib): Defer to libgcc.mk.
1683 * configure.in (slibdir): Substitute.
1684 * mklibgcc.in (install): New target.
1686 * config/t-linux (SHLIB_LINK): Create links for the soname.
1687 (SHLIB_INSTALL): New.
1688 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1689 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1690 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1691 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1692 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1694 2001-01-07 Richard Henderson <rth@redhat.com>
1696 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1697 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1698 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1700 2001-01-07 Michael Hayes <mhayes@redhat.com>
1702 * loop.c (count_loop_regs_set): Delete.
1703 (load_mems_and_recount_loop_regs_set): Delete.
1704 (loop_regs_scan): Merge common code from count_loop_regs_set,
1705 scan_loop, and load_mems_and_recount_loop_regs_set.
1706 (scan_loop): Call load_mems directly and loop_regs_scan
1707 again if new registers created.
1709 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1711 * toplev.c (main): Call the front-end specific post_options
1712 hook if one is given.
1713 * toplev.h (struct_lang_hooks, lang_hooks): New.
1714 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1715 for the C front end.
1716 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1717 lang_hooks for the C++ front end.
1718 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1719 lang_hooks for the ObjC front end.
1720 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1721 * java/lang.c (lang_hooks): Hooks for the Java front end.
1723 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1725 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1726 for verbose DWARF[2] debugging.
1727 (cb_define, cb_undef): The new callbacks.
1728 * toplev.h (debug_define, debug_undef): Make const correct.
1729 * toplev.c (debug_define, debug_undef): Similarly. Do not
1730 perform the verbosity tests here anymore.
1732 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1734 * reload.c (subst_reloads): Take INSN argument. When
1735 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1736 * reload.h (subst_reloads): Adjust prototype.
1737 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1738 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1739 present in JUMP_INSNs and copy them to JUMP_LABEL.
1740 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1741 JUMP_INSNs and insns with REG_LABELs that are followed by
1742 JUMP_INSNs with the same REG_LABEL.
1743 * sched-rgn.c (is_cfg_nonregular): Likewise.
1744 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1746 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1748 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1750 2001-01-06 Richard Henderson <rth@redhat.com>
1752 * loop.c (scan_loop): Use xcalloc for the regs array.
1753 (load_mems_and_recount_loop_regs_set): Zero the new memory
1754 received from xrealloc.
1756 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1758 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1760 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1762 * integrate.c (copy_rtx_and_substitute): When copying
1763 an ignored return value, strip REG_FUNCTION_VALUE_P.
1765 2001-01-06 Michael Hayes <mhayes@redhat.com>
1767 * loop.c (debug_biv, debug_giv): New.
1768 (loop_biv_dump): Break out from ...
1769 (record_biv): ... here.
1770 (loop_giv_dump): Break out from ...
1771 (record_giv): ... here.
1772 (loop_bivs_check): Use print_simple_rtl.
1773 * unroll.c (loop_iterations): Use print_simple_rtl.
1775 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1777 * pa.md (return, return_internal): Modify patterns to prevent regrename
1778 mucking with the return pointer.
1780 2001-01-05 Richard Henderson <rth@redhat.com>
1782 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1784 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1786 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1787 version supplied by Matteo Frigo.
1789 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1791 * cpp.texi: Update for -MQ.
1792 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1793 (cpp_cleanup): Always free pfile->deps.
1794 (initialize_dependency_output): Don't create pfile->deps.
1795 (cpp_handle_option): Similarly.
1797 * gcc.c (cpp_options): Handle -MQ.
1798 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1799 * mkdeps.c (base_name): Remove.
1800 (deps_init): Don't allocate vector space until it's needed.
1801 (deps_free): Only free vectors if allocated.
1802 (deps_add_target, deps_add_dep): Update for initial allocation.
1803 (deps_add_default_target): Don't strip to the base_name.
1805 2001-01-05 DJ Delorie <dj@redhat.com>
1807 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1808 (INIT_EXPANDERS): Define.
1810 * config/v850/v850.c (struct machine_function): Define.
1811 (v850_save_machine_status): New function.
1812 (v850_restore_machine_status): New function.
1813 (v850_return_addr): New function.
1814 (v850_init_expanders): New function.
1816 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1817 and v850_init_expanders.
1819 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1821 * cpplib.h (struct cpp_reader): Add help_only field.
1822 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1823 (cpp_handle_option): Set pfile->help_only if we see -h,
1824 --help, -target-help, or --version. Print version string but
1825 do not set help_only if we see -v or -version. Make text
1826 printed by -v match that printed by (-)-version.
1828 * cppmain.c (main): Exit after option parsing if
1829 pfile->help_only is true.
1831 * toplev.c (independent_decode_option): Call print_version,
1832 then exit, if we see --version (but not -version).
1833 (print_version): Split lengthy message into two lines.
1835 2001-01-05 Nick Clifton <nickc@redhat.com>
1837 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1838 temporary string for initialisation before calling ggc_alloc_string.
1840 2001-01-06 Michael Hayes <mhayes@redhat.com>
1842 * rtl.h (print_simple_rtl): New.
1843 * print-rtl.c (print_simple_rtl): New.
1845 (print_rtx): Disable printing of flags and modes, etc.,
1846 if `flag_simple` nonzero.
1848 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1850 * function.c (fixup_var_refs): Use push_to_full_sequence where
1853 2001-01-05 Michael Meissner <meissner@redhat.com>
1855 * flags.h (flag_reorder_blocks): Add declaration.
1856 (flag_rename_block): Ditto.
1858 2001-01-05 DJ Delorie <dj@redhat.com>
1860 * function.c (reorder_blocks): Make sure the flags are all reset
1861 before using them to mark blocks, else a second invocation will
1862 corrupt the block chain.
1863 (reorder_blocks_0): New, resets the flags.
1865 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1867 * cse.c (find_comparison_args): Stop if the argument is known to
1870 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1872 * config/sh/sh.md (movdf): When splitting load into pair of
1873 registers, don't clobber the register used in the address too
1876 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1878 * varasm.c (mark_constant_pool): Improve initial comments.
1879 (mark_constants): Move marking of constants to mark_constant.
1880 (mark_constant): New function to recursively mark all constants
1881 referred to by a constant.
1883 2001-01-05 Catherine Moore <clm@redhat.com>
1885 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1887 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1889 * cp/lang-options.h: Bring comment in line with reality.
1890 * f/lang-options.h: Likewise.
1891 * java/lang-options.h: Likewise.
1892 * objc/lang-options.h: Likewise.
1893 * ch/lang-options.h: Likewise.
1894 * f/g77.texi: And update the manual.
1896 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1897 Denis Chertykov <denisc@overta.ru>
1899 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1900 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1901 * config/avr/avr.md (all peepholes that request a scratch register):
1902 Call it, FAIL the peephole if not safe (in interrupt functions).
1904 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1906 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1908 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1910 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1912 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1913 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1914 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1915 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1916 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1918 * extend.texi: Document these builtins.
1920 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1922 * c-common.c (lang_get_alias_set): Say we know nothing of
1923 VECTOR_TYPE aliasing.
1925 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1927 2001-01-05 Bruce Korb <bkorb@gnu.org>
1929 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1930 their x* equivalent versions for atexit-less systems
1931 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1932 systems (or any other system any more).
1934 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1936 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1937 output operands. Use arm_hard_register_operand for operand 4.
1938 (stmsi_postinc): Similarly.
1939 (ldmsi): Use arm_hard_register_operand for opernand 2.
1941 * arm.c (arm_hard_register_operand): New function.
1942 * arm-protos.h (arm_hard_register_operand): Prototype it.
1944 * arm.h (HARD_REGNO_RENAME_OK): Define.
1946 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1948 * simplify-rtx.c (cfc_args): add "unordered" field.
1949 (check_fold_consts): Set unordered field.
1950 (simplify_relational_operation): Simplify the unordered
1953 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1956 * emit-rtl.c (try_split): Fix code to mark labels.
1957 * jump.c (mark_jump_label): Make global.
1958 * rtl.h (mark_jump_label): Declare.
1960 * predict.c (estimate_probability): Handle unordred comparisons.
1962 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1964 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1965 * cppinit.c (initialize_dependency_output): Update.
1966 (cpp_finish): Output dummy targets for -MP.
1968 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1969 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1970 * gcc.c (cpp_options): Update to handle -MP.
1971 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1972 to quote only the default target.
1973 (deps_phony_targets): Insert a preceding newline. Rename from
1974 deps_dummy_targets for consistency.
1977 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1979 * calls.c (emit_library_call_value_1): Support
1980 INIT_CUMULATIVE_LIBCALL_ARGS.
1981 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1983 2001-01-04 Richard Henderson <rth@redhat.com>
1985 * c-decl.c (finish_struct): Detect flexible array members
1986 used in an inappropriate context.
1987 * c-typeck.c (really_start_incremental_init): Special case
1988 constructor_max_index for zero length arrays.
1989 (pop_init_level): Allow initialization of flexible array
1990 members. Deprecate initialization of zero length arrays.
1991 Don't issue missing initializer warning for flexible array
1992 members or zero length arrays.
1993 (process_init_element): Don't dereference null DECL_SIZE.
1994 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1995 Don't abort for empty constructors. Use size_binop
1996 (output_constructor): Add commentary regarding zero length
1997 array futures. Abort if we try to initialize an array of
1998 unspecified length with a non-empty constructor in the middle
2001 * extend.texi (Zero Length): Update and clarify documentation
2002 on static initialization.
2004 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2006 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2007 with more than 32767 words of local storage.
2009 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2011 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2012 for 'abs', 'labs', and 'fabs'.
2013 (c4x_expand_builtin): Likewise.
2014 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2016 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2018 * config/sh/sh.md (prget, prset): New insn types.
2019 (return delay slot): Dont' allow prset.
2020 (call, sfunc delay slot): Don't allow prget.
2021 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2022 for prset and prget.
2024 2001-01-05 Michael Hayes <mhayes@redhat.com>
2026 * loop.h (struct loop_reg): New.
2027 (struct loop_regs): Change to use array of `struct loop_reg'.
2028 * loop.c: Replace assortment of varrays with single regs array.
2029 (count_one_set): Delete may_not_move array argument
2030 and use regs array instead. All caller's changed.
2031 (count_loop_regs_set): Delete may_not_move and single_usage
2032 arguments and use regs array instead. All caller's changed.
2033 (find_single_use_in_loop): Replace usage array argument with pointer
2034 to regs structure. All caller's changed.
2035 (loop_optimize): Delete `moved_once' array.
2037 2001-01-05 Michael Hayes <mhayes@redhat.com>
2039 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2040 Use it instead of loop_info->has_call for scanning loop mems.
2041 (check_dbra_loop): Replace loop_info->has_call test with
2042 loop_info->has_nonconst_call.
2044 2000-01-04 Matthew Hiller <hiller@redhat.com>
2046 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2049 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2051 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2052 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2054 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2056 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2057 (flag_short_double, flag_short_wchar): Define.
2058 (c_common_nodes_and_builtins): Create many tree nodes shared
2059 between C and C++ here instead of in cp/decl.c and ...
2060 * c-decl.c (init_decl_processing): ... here.
2061 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2062 (flag_short_double, flag_short_wchar): Don't define.
2063 (record_builtin_type): New function.
2064 (build_void_list_node): New function.
2065 * c-common.h (flag_short_double, flag_short_wchar,
2066 record_builtin_type, build_void_list_node): Declare.
2068 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2070 * integrate.c (expand_inline_function): Don't put a virtual
2071 register into the reg map.
2073 * function.c (fixup_var_refs_1): If force_operand didn't put
2074 the address into the target, move it there.
2076 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2078 Special-case tree_decl/tree_list allocations.
2079 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2080 (OBJECT_SIZE): New macro.
2081 (NUM_EXTRA_ORDER): Likewise.
2082 (extra_order_size_table): New variable.
2083 (NUM_ORDERS): New macro.
2084 (objects_per_page_table): New variable.
2085 (object_size_table): New variable.
2086 (G.pages): Use NUM_ORDERS to bound the array.
2087 (G.page_tails): Likewise.
2088 (DIV_ROUND_UP): Remove.
2089 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2090 (alloc_page): Use OBJECT_SIZE.
2091 (size_lookup): Don't make it const.
2092 (ggc_alloc): Use OBJECT_SIZE.
2093 (ggc_set_mark): Likewise.
2094 (ggc_get_size): Likewise.
2095 (init_ggc): Set up the object_size_table, objects_per_page_table,
2096 and adjust size_lookup.
2097 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2098 (ggc_pop_context): Use NUM_ORDERS.
2099 (clear_marks): Likewise.
2100 (sweep_pages): Likewise.
2101 (poison_pages): Likewise.
2102 (ggc_print_statistics): Use OBJECT_SIZE.
2104 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2106 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2107 Only call array_size_for_constructor if last field and array type
2108 with no upper bound.
2110 2001-01-04 Philip Blundell <philb@gnu.org>
2112 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2113 from bit 31 downwards, if this requires no more insns.
2114 (count_insns_for_constant): New helper function for above.
2116 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2118 * gencodes.c (output_predicate_decls): Remove empty initializer.
2120 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2122 * tree.c (copy_node): Remove documentation about obstacks.
2123 (buidl1): Check that nobody tries to build 2-argument nodes this
2126 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2128 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2131 * gencodes.c (output_predicate_decls): Fill empty initializer
2134 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2136 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2137 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2139 (do_include): Handle missing headers like cpp0.
2140 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2141 paths with first include pathname. Don't strcat to uninitialized
2144 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2146 * regrename.c (regrename_optimize): Don't rename from frame pointer
2147 if frame_pointer_needed.
2148 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2149 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2150 (ia64_reorg): Use it instead of scheduling if ! optimize.
2151 (errata_emit_nops): Properly call asm_noperands.
2152 (ia64_sched_reorder): Finish cycle if we see an asm.
2153 (ia64_variable_issue): Clear scheduling state after asms.
2155 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2157 * cpp.texi: Update for -MT.
2158 * cppinit.c (initialize_dependency_output): Add a default
2159 target if none has been given already.
2160 (no_tgt, OPT_MT): New.
2161 (cpp_handle_option): Handle -MT. Update -M etc.
2162 * cpplib.h (struct cpp_options): Remove deps_target.
2163 * gcc.c (cpp_options): Handle -MT.
2164 * mkdeps.c (struct deps): Move from mkdeps.h.
2165 (deps_calc_target): Rename deps_add_default_target. Add a
2166 default target if none has been specified already.
2167 * mkdeps.h (struct deps): Move to mkdeps.c.
2168 (deps_calc_target): Rename deps_add_default_target.
2170 2000-01-03 Richard Henderson <rth@redhat.com>
2172 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2174 * c-typeck.c (push_init_level): Move checks for flexible array
2175 members and zero length arrays ...
2176 (pop_init_level): ... here. Silently discard empty initializations.
2178 * varasm.c (output_constructor): Update for sizeof change to
2181 * extend.texi (Zero Length): Clarify semantics.
2183 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2185 * configure.in (tm.h): Include isns-codes.h last.
2186 * configure: Rebuilt.
2188 2001-01-03 Richard Henderson <rth@redhat.com>
2190 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2191 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2193 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2195 * tradcpp.c (main): Make sure finclude() is called with a valid
2196 indepth value while handling -include.
2198 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2200 * gencodes.c (output_predicate_decls): New function.
2202 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2203 even if it is not the first time machmode.h is #included.
2204 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2205 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2206 * gcc.texi (Copyright): Added 2001.
2208 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2210 * c-common.c (c_common_lang_init): New function. Warn if format
2211 warning options which only have effects when used with -Wformat
2212 are used without -Wformat.
2213 * c-common.h (c_common_lang_init): Declare.
2214 * c-lang.c (lang_init): Call c_common_lang_init.
2215 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2217 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2219 * configure.in: Check for the mktemp command.
2220 * configure: Regenerate.
2221 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2222 $TEMP. Create temporary files with mktemp, if available at
2223 configure time; otherwise use set -C. Remove temporary files
2226 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2228 * configure.in: Require at least texinfo 4.0. Check for whether
2229 Pod::Man is sufficiently recent to regenerate GCC manpages.
2230 * configure: Regenerate.
2231 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2233 (GENERATED_MANPAGES): Define.
2234 (generated-manpages): New target. Depend on cpp.1 as well as
2236 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2237 configure to generated-manpages or empty) rather than on the
2238 manpages directly. Remove execute permission from installed
2239 gcov.1 as well as cpp.1.
2240 * cpp.1, gcov.1: Regenerate.
2242 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2244 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2245 tree_low_cst. Allow using cmpstrsi in more cases.
2247 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2249 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2252 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2254 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2255 * Makefile.in (HOST_CFLAGS): Mention build-make.
2257 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2259 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2262 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2264 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2267 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2270 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2271 reg_base_value and reg_known_value arrays.
2272 (init_alias_analysis): Add more cases to detect known values.
2273 * sched-deps.c (deps_may_trap_p): New function.
2274 (sched_analyze_2): Use it.
2276 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2278 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2279 don't discard an ASHIFTRT if we're shifting in a wider mode.
2281 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2283 * toplev.c (rest_of_compilation): Don't print basic block information
2284 when CFG isn't up to date.
2286 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2288 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2289 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2290 (UNALIGNED_SHORT_ASM_OP): Define.
2291 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2293 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2295 * fold-const.c (fold_convert): Fix typo.
2297 2001-01-02 Richard Henderson <rth@redhat.com>
2299 * c-common.h (ASM_INPUT_P): New.
2300 * c-parse.in (asm): Set it when needed.
2301 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2302 existance of an operand.
2304 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2306 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2307 (dwarf2out_frame_debug_expr): Likewise.
2308 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2310 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2312 * i386.c (ix86_split_to_parts): Return number of part required;
2314 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2316 (ix86_split_long_move): Use number of part returned
2317 by ix86_split_to_parts
2318 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2320 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2321 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2322 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2323 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2324 (ALIGN_MODE_128): Add TFmode.
2325 (IS_STACK_MODE): Likewise.
2326 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2327 (HARD_REGNO_OK): Support TFmodes.
2328 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2329 * i386.md (scheduler definitions): Use memory operand to determine
2330 fst/fld instructions; use mode attribute to determine real mode of
2332 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2333 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2335 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2337 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2339 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2341 * expr.c (store_constructor_field): Update ALIGN before calling
2344 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2346 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2349 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2351 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2354 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2356 * c-decl.c (start_function): Don't warn on third parameter to main.
2358 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2360 * tsystem.h: Define HAVE_DECL_GETOPT.
2362 2001-01-02 Philip Blundell <pb@futuretv.com>
2364 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2367 2001-01-02 Richard Henderson <rth@redhat.com>
2369 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2371 2001-01-02 Andreas Jaeger <aj@suse.de>
2373 * c-decl.c (c_decode_option): Remove support of
2376 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2377 (W_options): Add -Wmissing-noreturn here.
2379 * flow.c: Define lang_missing_noreturn_ok_p.
2380 (check_function_return_warnings): Use it.
2382 * c-common.h: Declare lang_missing_noreturn_ok_p.
2384 * c-lang.c (c_missing_noreturn_ok_p): New function.
2385 (lang_init): Set lang_missing_noreturn_ok_p.
2387 * invoke.texi (Warning Options): Document this.
2389 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2391 * extend.texi (C++ Extensions): New node for C++ attributes;
2392 describe init_priority and com_interface.
2393 * invoke.texi: Remove -finit-priority as it now has zero effect.
2394 * install.texi: Fix xref syntax.
2395 * md.texi: Likewise.
2397 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2399 * config.gcc (sparc64-wrs-vxworks*): New case.
2400 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2402 * config/sparc/sparc.c (sparc_override_options): Do support different
2403 pointer and architecture size.
2404 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2405 (POINTERS_EXTEND_UNSIGNED): Define.
2406 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2407 (FUNCTION_MODE): Define to be Pmode.
2408 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2410 * function.c (expand_function_end): Properly handle DECL_RESULT
2411 and copy when ptr_mode != Pmode.
2412 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2414 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2416 * c-common.c (c_common_nodes_and_builtins): Set prototype
2417 parameters for __builtin_fputs, __builtin_fputc and
2418 __builtin_fwrite. Don't declare plain fputc as a builtin.
2420 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2422 * loop.c (add_label_notes): Increment the label usage count when
2423 a note is added to an insn which refers to a CODE_LABEL.
2424 * gcse.c (add_label_notes): Likewise.
2426 2001-01-01 Andreas Jaeger <aj@suse.de>
2428 * loop.c (scan_loop): Use xmalloc to allocate movables.
2430 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2432 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2433 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2434 * reload1.c (REGISTER_MOVE_COST): Likewise.
2435 * regclass.c (REGISTER_MOVE_COST): Likewise.
2436 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2437 dimension. Adjust all users.
2438 (init_reg_sets_1): Iterate on all modes.
2439 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2440 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2441 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2442 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2443 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2444 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2445 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2446 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2447 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2448 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2449 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2450 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2451 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2452 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2453 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2454 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2455 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2456 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2457 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2458 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2459 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2460 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2461 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2462 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2463 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2464 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2465 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2467 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2469 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2470 arg VARIES_P. Call it with extra arg.
2471 (true_dependence): Likewise.
2472 * rtl.h (rtx_addr_can_trap_p): Declare.
2473 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2475 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2476 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2477 pic offset table register if it's zero. All callers changed.
2478 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2480 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2482 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2483 STRING_POOL_ADDRESS_P.
2485 * config/sparc/sparc.c (input_operand): Properly test for short op.
2487 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2488 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2489 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2490 * config/sparc/elf.h: No longer include sol2.h.
2491 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2492 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2494 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2496 2001-01-01 Michael Hayes <mhayes@redhat.com>
2498 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2499 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2500 (record_initial): Likewise.
2501 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2502 (remap_split_bivs): Likewise.
2504 2001-01-01 Michael Hayes <mhayes@redhat.com>
2506 * loop.c (loop_ivs_free): New function.
2507 (strength_reduce): Break out from...
2509 2001-01-01 Michael Hayes <mhayes@redhat.com>
2511 * loop.h (struct iv): New.
2512 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2513 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2514 'reg_biv_class' fields with 'regs' and 'n_regs'.
2515 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2516 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2517 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2519 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2521 * resource.c (mark_referenced_resources): Abort() before
2522 attempting to mark a pseudo register.
2523 (mark_set_resources): Likewise.
2525 2001-01-01 Michael Hayes <mhayes@redhat.com>
2527 * loop.h (REG_IV_CLASS): New accessor macro.
2528 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2529 * unroll.c (REG_IV_CLASS): Likewise.
2531 See ChangeLog.4 for earlier changes.
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