1 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4 not pfile->skipping (== 0).
6 2001-01-17 Nick Clifton <nickc@redhat.com>
8 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11 2001-01-17 Jim Wilson <wilson@redhat.com>
13 * invoke.texi (IA-64 options): Improve.
15 2001-01-17 Tom Tromey <tromey@redhat.com>
17 * invoke.texi (Optimize Options): Use `{}' to around @samp
20 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
22 * invoke.texi (-fno-guess-branch-probability): New option.
24 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
26 * combine.c (try_combine): Don't set i3_subst_into_i2 for
27 case of making new double-word constant.
28 Revert last change: instead just test i3_subst_into_i2.
30 2001-01-17 Jakub Jelinek <jakub@redhat.com>
32 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
33 Use q constraints instead of r.
35 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
37 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
38 (machine_function): Define.
39 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
40 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
41 pa_free_machine_status): New functions.
42 (override_options): Set {init,mark,free}_machine_status to above.
43 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
44 PIC_OFFSET_TABLE_REGNUM_SAVED.
45 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
46 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
47 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
48 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
49 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
51 2001-01-15 DJ Delorie <dj@redhat.com>
53 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
57 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
59 * flow.c (propagate_on_insn): Make trying to delete a prologue
60 or epilogue insn an ICE, not a warning. Allow doing this if
61 the current function returns with stack pointer depressed.
63 * combine.c (try_combine): If i3_subst_into_i2, properly check for
64 I3 having more than one SET.
66 2001-01-16 Jim Wilson <wilson@redhat.com>
68 * invoke.texi: Document IA-64 options.
70 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
71 (fixup_errata): Delete TARGET_A_STEP use.
72 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
73 (TARGET_SWITCHES): Delete -ma-step option.
74 * config/ia64/ia64.md (all FP patterns): Delete %B0.
75 (movqicc_astep, movqi_internal_astep, movhicc_astep,
76 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
77 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
78 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
79 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
81 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
82 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
83 cmovsi_internal): Delete ! TARGET_A_STEP check.
85 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
87 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
88 possibility to report bugs via postal mail. Change a URL and
89 merge in a nearly duplicate statement...
90 (Bug Reporting): ...from here.
91 (Service): Refer to the Bug Reporting section instead of
93 (Contributing): Remove trivial explanations concerning snapshots.
95 2001-01-16 Alan Modra <alan@linuxcare.com.au>
97 * cppmain.c (general_init): Don't use ANSI prototype.
99 2001-01-16 Tom Tromey <tromey@redhat.com>
101 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
103 2001-01-16 Richard Henderson <rth@redhat.com>
105 * config/i386/i386.h: Fix comment typo.
106 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
107 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
109 2001-01-16 Phil Edwards <pme@sources.redhat.com>
111 * gcc.c: Revert previous -fsyntax-only-related change; move
114 2001-01-16 Jakub Jelinek <jakub@redhat.com>
116 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
117 inmode after checking GET_CODE (op).
119 2001-01-16 Richard Henderson <rth@redhat.com>
121 * flow.c (struct propagate_block_info): Add mem_set_list_len.
122 (MAX_MEM_SET_LIST_LEN): New.
123 (propagate_one_insn): Update mem_set_list_len.
124 (invalidate_mems_from_autoinc): Likewise.
125 (invalidate_mems_from_set): Likewise.
126 (mark_used_regs): Likewise.
127 (init_propagate_block_info): Likewise. Stop collecting memories
128 when we reach MAX_MEM_SET_LIST_LEN.
129 (mark_set_1): Likewise.
131 2001-01-16 Richard Henderson <rth@redhat.com>
133 * unroll.c (precondition_loop_p): Fail if no iteration
136 2001-01-16 Phil Edwards <pme@sources.redhat.com>
138 * gcc.c: When -fsyntax-only is given, do not complain about
141 2001-01-15 Richard Henderson <rth@redhat.com>
143 * config/i386/i386.c (asm_output_function_prefix): Remove.
144 (ix86_asm_file_end): New.
145 (load_pic_register): Generate pic_label_name into a
146 staticly allocated buffer.
147 * config/i386/i386-protos.h: Update.
148 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
150 * config/i386/i386afe.h: New file.
151 * config.gcc (i?86-*-elf) [tm_file]: Use it.
152 (i?86-*-{freebsd,linux*,moss*}): Likewise.
153 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
154 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
155 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
156 * config/i386/sco5.h (ASM_FILE_END): Likewise.
157 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
159 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
161 * Makefile.in (install-man): Remove explicit dependency on
164 * configure.in, configure: Revert previous patch requiring perl
167 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
169 * toplev.c (flag_guess_branch_prob): New.
170 (f_options): Add guess-branch-probability option.
171 (rest_of_decl_compilation): Only estimate branch probability if
173 (main): set flag_guess_branch_prob.
175 * flags.h (flag_guess_branch_prob): New.
177 2001-01-15 DJ Delorie <dj@redhat.com>
179 * gcc.texi (Makefile): Add documentation for Makefile targets.
181 2001-01-15 Philip Blundell <philb@gnu.org>
183 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
185 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
186 (is_pic): Delete declaration.
187 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
188 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
189 * config/arm/arm.md (builtin_setjmp_receiver): New.
191 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
193 * arm.c (use_return_insn): Don't try to determine the function type
194 until after reload has completed.
195 (arm_output_epilogue): Don't adjust the sp value recovered from the
197 (emit_multi_reg_push): Don't record dwarf information for the pc.
198 * arm.md (eh_epilogue): The function type may have changed, so it
199 needs to be recalculated.
200 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
201 unwind tables on arm/netbsd.
203 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
205 * arm.md (cbranchsi4): Correct calculation of branch ranges.
206 (negated_cbranchsi4): Likewise.
208 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
210 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
211 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
212 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
213 pass -mapcs-* options to assembler.
214 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
215 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
216 (ASM_SPEC): Call subtarget_extra_asm_spec.
218 2001-01-15 Andreas Jaeger <aj@suse.de>
220 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
222 (ix86_expand_builtin): Likewise.
224 * gencodes.c (output_predicate_decls): Make i size_t to avoid
225 warning about comparison between signed and unsigned.
227 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
229 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
231 2001-01-14 Ralf Baechle <ralf@gnu.org>
233 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
234 SUBTARGET_CPP_SPEC apropriatly.
236 2001-01-12 Mark Mitchell <mark@codesourcery.com>
238 * varasm.c (make_decl_rtl): Fix typo in last change.
240 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
242 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
243 linker supports the init_priority C++ attribute.
244 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
245 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
246 linker does not support init_priority C++ attribute.
248 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
250 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
252 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
254 * c-parse.in (finish_parse): Add comment about cpp_destroy.
255 * cp/lex.c (finish_parse): Similarly.
256 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
257 Return the number of errors encountered.
258 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
259 * cppmain.c (main): Don't call cpp_destroy.
261 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
263 * configure.in: Require at least perl 5.6.0 to regenerate
265 * configure: Regenerate.
267 2001-01-14 Richard Henderson <rth@redhat.com>
269 * genrecog.c (DT_veclen_ge): New.
270 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
271 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
272 (nodes_identical_1): Handle DT_veclen_ge.
273 (write_cond, debug_decision_2): Likewise.
275 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
277 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
279 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
281 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
283 * cppmain.c (do_preprocessing): New function; most of the old
285 (main): Call it to do most of the work.
286 (cb): Move from global scope to set_callbacks ().
287 (setup_callbacks): Get the callback pointer.
288 (general_init, printer_init): Clean up code and comments.
290 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
292 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
295 2001-01-14 Kazu Hirata <kazu@hxi.com>
297 * config/h8300/h8300.c (get_shift_alg): Update comments.
299 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
301 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
302 (alloc_page, ggc_alloc): Add casts to remove warnings.
304 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
306 * combine.c (simplify_comparison): Don't change `code' when
307 can't reverse comparison.
309 2001-01-14 Richard Henderson <rth@redhat.com>
311 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
312 update all call sites. Return true for all non-label constants.
314 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
316 * i386.c (ix86_expand_compare): Add bypass_test and second_test
318 (ix86_expand_branch): Update.
319 (ix86_expand_setcc): Update to handle multiple test conditions.
320 (expand_int_movcc): Likewise.
321 (expand_fp_movcc): Likewise.
322 * i386-protos.h (ix86_expand_compare): New.
323 * i386.md (andqi_?_slp, orqi_?_slp): New.
324 (conditional trap expander): Update call to ix86_expand_compare.
326 2001-01-14 Richard Henderson <rth@redhat.com>
328 * config/vax/vax.md: Use nonimmediate_operand instead of
329 general_operand in destinations.
331 * config/vax/vax.md (indirect_jump): Use register_operand.
333 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
334 * config/vax/vax.md (call_pop): Turn into an expander.
335 (call_value_pop): Likewise.
336 (call, call_value): New.
338 2001-01-14 Andreas Jaeger <aj@suse.de>
340 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
342 (ix86_fp_compare_mode): Add unused attribute.
343 (ix86_expand_fp_movcc): Remove unused variable.
344 (ix86_expand_builtin): Make fcode unsigned.
346 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
347 (expand_expr): Add cast to avoid signed warning.
348 (store_field): Likewise.
349 (store_constructor_field): Likewise.
350 (store_constructor): Likewise.
351 (store_expr): Likewise.
352 (clear_storage): Likewise.
353 (emit_group_store): Likewise.
354 (emit_group_load): Likewise.
356 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
358 * c-common.c: Move format checking code to ...
359 * c-format.c: ... here. New file. Reorder some functions and
361 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
363 * c-common.h (decl_handle_format_attribute,
364 decl_handle_format_arg_attribute): Declare.
365 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
366 (c-common.o): Adjust dependencies.
367 (c-format.o): New list of dependencies.
369 2001-01-13 Jakub Jelinek <jakub@redhat.com>
371 * unroll.c (loop_iterations): If we cannot prove iteration variable
372 is set once in each iteration, punt.
374 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
376 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
377 (*strlenhi): Remove clobber (which was buggy) of output address.
379 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
381 * Makefile.in (generated-manpages): Add gcc.1
382 ($(srcdir)/gcc.1): New target.
383 (maintainer-clean): Delete $(srcdir)/gcc.1.
384 * gcc.texi: Add macros @gccoptlist and @gol.
385 * invoke.texi: Include option summary in manpage. Mark up option
386 summary with @gccoptlist and @gol. Use @r in one place where
388 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
389 * gcc.1: Generate from invoke.texi.
391 2001-01-13 Richard Henderson <rth@redhat.com>
393 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
394 (struct page_entry): Add group member.
395 (struct page_group): New.
396 (struct globals): Add page_groups member.
397 (alloc_anon): Only define for using mmap; remove valloc call.
398 (page_group_index): New.
399 (set_page_group_in_use): New.
400 (clear_page_group_in_use): New.
401 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
402 (free_page, release_pages): Likewise.
403 * configure.in (with-gc): Default to ggc-page always.
405 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
407 * reload1.c (replace_pseudos_in_call_usage): Use
408 reg_equiv_constant and reg_equiv_address, and don't try
411 2001-01-13 Richard Henderson <rth@redhat.com>
413 * ggc-page.c (alloc_page): Round up allocation size to one page.
414 Set e->order on extra pages.
416 2001-01-13 Richard Henderson <rth@redhat.com>
418 * genrecog.c (nodes_identical): Expand commentary.
419 (write_switch): Watch out for identical nodes.
421 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
423 * cppfiles.c (_cpp_fake_include): New function.
424 * cpphash.h (_cpp_fake_include): New.
425 * cpplib.c (do_line): Call _cpp_fake_include when entering
426 header files in preprocessed input.
427 * cppmain.c (cb_pragma_implementation): Remove handling.
428 (setup_callbacks): Don't register pragmas.
430 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
432 * extend.texi: Udate for CPP.
434 2001-01-13 Andreas Jaeger <aj@suse.de>
436 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
438 * regmove.c: Add prototype for replace_in_call_usage.
440 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
442 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
443 struct cpp_chunk, struct htab, struct toklist,
444 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
445 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
446 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
447 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
448 (struct macro_args): Delete.
449 * cpphash.h: See above.
451 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
453 * cppmain.c (struct printer): Remove no_line_dirs.
455 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
456 : Use options rather than CPP_OPTION.
457 (setup_callbacks): Use cb rather than pfile->cb.
458 (main): No need to check for a buffer. Use cpp_errors.
459 (printer_init): Don't set no_line_dirs.
460 (maybe_print_line): Use options not no_line_dirs.
461 (cb_file_change): Don't call print_line if -P.
463 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
465 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
467 * c-parse.in (finish_parse): Use cpp_errors.
468 (__yylex): Use return value of cpp_pop_buffer.
469 * cp/lex.c (finish_parse): Use cpp_errors.
470 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
472 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
474 * README.AVR: URLs corrected.
476 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
478 * c-decl.c (start_function): Don't warn if old prototype is builtin
479 that's not in C's namespace.
480 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
481 (_bb): Add prototype for ctime.
482 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
484 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
486 * i386.c (ix86_fp_comparison_arithmetics_cost,
487 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
488 ix86_fp_comparison_cost): New functions.
489 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
490 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
491 two-branch sequences; make static.
492 (ix86_use_fcomi_compare): Do decision according to the costs.
493 (split_fp_branch): New.
494 * i386.md (compare-and-branch patterns): Use split_fp_branch.
495 * i386-protos.h (ix86_expand_fp_compare): Remove
496 (ix86_split_fp_branch): Declare.
498 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
499 and ix86_comparison_operator.
501 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
504 * i386.c (put_condition_code): Output properly the unordered/ordered
506 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
508 * tm.texi (REVERSE_CONDITION): Document.
509 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
511 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
513 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
515 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
517 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
520 * config/sh/sh.c (mova_p): Fix test for mova_const.
522 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
524 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
525 cpp_get_options rather than dereferencing pfile and using
527 * scan-decls.c (scan_decls): Use return value of
528 cpp_pop_buffer rather than CPP_BUFFER.
530 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
532 * cppinit.c (cpp_handle_option): help_only is now part of the
533 cpp_options structure.
534 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
535 cpp_set_callbacks): New functions.
536 * cpplib.h (cpp_callbacks): Break out as a named structure.
537 (cpp_options): Move help_only here from cpp_reader.
538 (CPP_FATAL_ERRORS): Update to use cpp_errors.
539 (cpp_errors, cpp_get_options, cpp_get_callbacks,
540 cpp_set_callbacks): New prototypes.
541 * cppmain.c (main): Update for help_only.
543 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
545 * Makefile.in (info, maintainer-clean, install-info, uninstall):
546 Also build and remove and install and uninstall c-tree.info and
548 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
549 ($(srcdir)/cppinternals.info): New target.
550 * c-tree.texi: Change file name used when makeinfo used without -o
551 from ir.info to c-tree.info. Add info directory entry.
552 * cppinternals.texi: Add info directory entry.
553 * .cvsignore: Update.
555 2001-01-12 Jakub Jelinek <jakub@redhat.com>
557 * c-typeck.c (store_init_value): Don't require constant initializer
558 elements with -pedantic -std=c99.
559 (digest_init): Change error about non-constant initializer elements
561 (constructor_range_end): Remove.
562 (constructor_incremental, designator_depth,
563 designator_errorneous): New variables.
564 (struct constructor_stack): Remove range_end, add incremental.
565 (struct constructor_range_stack, constructor_range_stack): New.
566 (struct initializer_stack): Add constructor_range_stack.
567 (finish_init): Set it.
568 (start_init): Likewise. require_constant_elements for non-static
569 trees only if not flag_isoc99.
570 (really_start_incremental_init): Remove constructor_range_end, add
571 constructor_incremental.
572 (pop_init_level): Likewise.
573 (push_init_level): Likewise. If implicit and the subobject had some
574 value set already, preinitialize the level with it.
575 Warn about missing braces only if not pushing due to designators.
576 (set_designator, push_range_stack): New functions.
577 (set_init_label): Use them.
578 (set_init_index): Likewise. Remove constructor_range_end.
579 Error if designator index is outside of array bounds.
580 (add_pending_init): Compare values of purpose index trees, not the
581 trees themselves. Allow overwriting of already initialized element.
582 Issue a warning if it had side-effects.
583 (set_nonincremental_init, set_nonincremental_init_from_string): New
585 (pending_init_member): Rename to...
586 (find_init_member): ...this function. Call set_nonincremental_init
587 if necessary. Compare values of purpose index trees, not the trees
588 themselves. Return the actual value, not just non-zero if something
590 (output_init_element): Remove checks for duplicates.
591 If field has zero size, only check the initializer for correctness.
592 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
593 if constructor_incremental is zero. Change error about initializers
594 not computable at load time into pedwarn.
595 (output_pending_init_elements): Compare bit positions, not
596 FIELD_DECLs to take into account zero-sized fields.
597 (process_init_element): Use constructor_range_stack to fill all
598 ranges in the designator lists from current level up.
599 * extend.texi: Update documentation for labeled elements.
601 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
603 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
604 to function usage for arguments passed by reference. Optimize
605 callee-copied arguments.
606 * regmove.c (replace_in_call_usage): New function.
607 (fixup_match_1): Call it.
608 * cse.c (cse_insn): Canonicalize registers in function usage.
609 * reload1.c (replace_pseudos_in_call_usage): New function.
612 * Makefile.in: Reverted yesterday's wrong patch. Installed the
615 2001-01-12 Jakub Jelinek <jakub@redhat.com>
617 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
620 2001-01-12 DJ Delorie <dj@redhat.com>
622 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
623 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
626 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
628 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
629 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
630 -std options alongside references to -ansi. Update some
631 documentation for C99.
634 2001-01-12 Andreas Jaeger <aj@suse.de>
636 * haifa-sched.c (restore_line_notes): Remove argument block B
638 * sched-ebb.c (schedule_ebb): Change caller.
639 * sched-rgn.c (schedule_region): Likewise.
640 * sched-int.h (restore_line_notes): Adjust prototype.
642 * loop.h: Remove wrong declaration of doloop_condition_get.
644 2001-01-12 Phil Edwards <pme@sources.redhat.com>
646 * extend.texi: Move C++-extension-related node from the C section
647 into the C++ section.
649 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
651 * extend.texi: Refer to an array of pointers to functions instead
654 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
655 Jan Hubicka <jh@suse.cz>
657 * combine.c (reversed_comparison): Fix typo in last patch.
659 (combine_reversed_comparison_code): Make static to follow
660 prototype declaration.
662 2001-01-12 Phil Edwards <pme@sources.redhat.com>
664 * install.texi: Remove misplaced duplicate entry.
666 2001-01-11 Ulrich Drepper <drepper@redhat.com>
668 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
670 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
672 * final.c: (leaf_function_p): Fix typo.
674 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
676 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
677 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
679 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
680 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
681 mmap_anon, and valloc is available.
682 * ggc-page.c: Restructure ifdef logic to match new autoconf
683 spec. Don't throw away the test page in init_ggc.
685 * configure, config.in: Regenerate.
687 2001-01-12 Michael Hayes <mhayes@redhat.com>
689 * loop.h (total_biv_increment): Constify iv_class pointer.
690 (struct induction): Replace `mem_mode' with `mem' rtx.
691 * unroll.c (total_biv_increment): Constify iv_class pointer.
692 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
693 (find_mem_givs, combine_givs_p): Likewise.
694 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
696 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
698 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
700 (__gthread_getspecific): Ditto.
702 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
704 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
705 put_condition_code): Convert fp comparison codes to integer
707 (ix86_expand_fp_compare): Postnote the fp comparison code converison
710 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
711 * i386-protos.h (no_comparison_operator): Kill.
713 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
715 * combine.c (REVERSIBLE_CC_MODE): Remove.
716 (reversible_comparison_p): Remove.
717 (combine_reversed_comparison_code): New.
718 (reversed_comparison): New.
719 (combine_simplify_rtx): Use
720 combine_reversed_comparison_code/reversed_comparison instead
721 of reversible_comparison_p.
722 (simplify_if_then_else): Likewise.
723 (simplify_set): Likewise.
724 (simplify_logical): Likewise.
725 (if_then_else_cond): Likewise.
726 (known_cond): Likewise.
727 (simplify_comparison): Likewise.
729 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
731 * builtins.c (std_expand_builtin_va_start): Handle varargs when
732 sizeof (int) is larger than sizeof(__word__).
734 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
736 * cppinit.c (do_includes): Fix typo.
738 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
740 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
741 in S_REGS does not occur because not all sources are possible
742 when a S_REGS is a destination (sometimes needs a clobber).
743 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
744 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
745 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
746 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
747 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
748 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
749 (lshrdi_const1, lshrsi3_const16): Likewise.
750 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
751 (*movhi_68hc12, *movqi_68hc12): Likewise.
752 (movstrictqi): Make sure reloading in D_REGS as a destination
755 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
757 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
759 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
761 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
762 -D, -U and -A, and don't initialize the builtins.
763 (do_includes): Error if -include or -imacros with -fpreprocessed.
764 * cppmain.c (cb_define, cb_undef): Unconditionally process
766 * tradcpp.c (main): Fix typo.
768 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
770 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
771 (read_name_map): Use IS_ABSOLUTE_PATH.
772 * tradcpp.c (get_filename): Likewise.
774 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
776 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
777 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
778 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
779 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
780 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
781 (cmphi_z_used): Don't use '@' for the output.
782 (tstqi_z_used): Likewise.
783 (cmpqi_z_used): Likewise.
784 (one_cmplsi2): Likewise.
786 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
788 * config/sh/sh.c (barrier_align): Recognize branch around far
789 branch and redundant insn.
791 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
793 * invoke.texi: Restore documentation of the drivers' switches -MD
796 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
798 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
800 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
801 check-objc//%): Support parallel testing of multilibs.
802 (TESTSUITEDIR): Set to testsuite by default, but override for
804 (check-gcc, check-g++, check-g77, check-objc): Enter
807 2001-01-11 Bernd Schmidt <bernds@redhat.com>
809 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
810 * sched-deps.c (deps_may_trap_p): Likewise.
811 * basic-block.h: Remove a comment.
812 * flow.c (PROP_POSTRELOAD): Remove.
813 (update_life_info): Don't add it to prop_flags.
814 (mark_set_1): Lose the code that was enabled by it.
816 2001-01-11 Michael Hayes <mhayes@redhat.com>
818 * flow.c (flow_call_edges_add): New.
819 * basic_block.h (flow_call_edges_add): New.
821 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
823 * reload1.c (move2add_note_store): Update reg_set_luid even if
824 base reg remains the same.
826 2001-01-10 Nick Clifton <nickc@redhat.com>
828 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
829 machine_function structure to zero.
830 Add prototypes for machine_status functions.
832 2001-01-10 Mark Mitchell <mark@codesourcery.com>
834 * c-common.h (CTI_VOID_LIST): Remove.
835 (void_list_node): Likewise.
836 * tree.h (TI_VOID_LIST_NODE): New enumeral.
837 (void_list_node): New macro.
838 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
839 * config/i386/i386.c (ix86_init_builtins): Likewise.
840 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
842 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
844 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
845 * cppinit.c (cpp_start_read): Update comment, remove unneeded
847 * tradcpp.c: Include mkdeps.h.
848 (deps, print_deps_phony_targets, deps_append, output_deps,
849 init_dependency_output, output_deps): New.
850 (deps_buffer, deps_allocated_size, deps_size, deps_column,
851 deps_output): Delete.
852 (print_deps_missing_files): Rename deps_missing_files.
853 (inhibit_output): Make global.
854 (main): Delete inhibit_output, deps_stream, deps_target.
855 Use mkdeps functionality in the same way as cpplib. Remove
856 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
857 -M and -MM. Remove old handling of deps via deps_out, and
858 old reading of environment variables.
859 (get_filename): Update to use deps_add_dep.
861 2001-01-10 Mark Mitchell <mark@codesourcery.com>
863 * output.h (make_function_rtl): Remove prototype.
864 (make_decl_rtl): Likewise.
865 * varasm.c (make_function_rtl): Remove.
866 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
867 than from a third parameter.
868 * tree.h (make_decl_rtl): Remove last parameter.
869 * c-decl.c (builtin_function): Remove last argument in call to
870 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
871 (start_function): Likewise.
872 * except.c (call_get_eh_context): Likewise.
873 * expr.c (emit_block_move): Likewise.
874 (clear_storage): Likewise.
875 * profile.c (output_func_start_profiler): Likewise.
876 * toplev.c (rest_of_decl_compilation): Likewise.
877 * objc/objc-act.c (create_builtin_decl): Likewise.
878 (synth_module_prologue): Likewise.
879 (generate_static_reference): Likewise.
880 (build_selector_reference_decl): Likewise.
881 (build_class_reference_decl): Likewise.
882 (build_objc_string_decl): Likewise.
883 (build_protocol_reference): Likewise.
885 2001-01-10 Richard Henderson <rth@redhat.com>
887 * hwint.h: Revert yesterday's change.
889 2001-01-10 Nick Clifton <nickc@redhat.com>
891 * function.h (save_machine_status): Delete.
892 (restore_machine_status): Delete.
893 Amend comment describing {init|mark|free}_machine_status.
895 * function.c (save_machine_status): Delete.
896 (restore_machine_status): Delete.
897 Amend comment describing {init|mark|free}_machine_status.
898 (push_function_context_to): Remove invocation of
900 (pop_function_context_from): Remove invocation of
901 restore_machine_status.
903 * emit-rtl.c (init_emit_once): Amend comment describing
904 {init|mark|free}_machine_status.
906 * tm.texi (Per-Function Data): New node. Describe the
907 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
910 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
912 * cppinit.c (OPT_g): Remove.
913 (cpp_handle_option): Update for removed -g3.
914 (print_help): Update.
915 * cpplib.h (struct cpp_options): Remove debug_output.
916 * cppmain.c (setup_callbacks, cb_define): Update.
917 * gcc.c (cpp_options): Translate -g3 to -dD.
919 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
921 * config/i960/i960.md: Change modifier to + on the zero_extract
922 pattern after the (rotate -2 reg) canonicalization pattern.
924 2001-01-10 Richard Henderson <rth@redhat.com>
926 * config/alpha/alpha.c (alpha_free_machine_status): New.
927 (override_options): Install it.
928 (alpha_mark_machine_status): Verify machine non-null.
929 * config/i386/i386.c (ix86_free_machine_status): New.
930 (override_options): Install it.
931 (ix86_init_machine_status): Use xcalloc.
932 (ix86_mark_machine_status): Verify machine non-null.
933 * config/ia64/ia64.c (ia64_free_machine_status): New.
934 (ia64_override_options): Install it.
935 (ia64_mark_machine_status): Verify machine non-null.
937 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
939 * function.c (instantiate_virtual_regs): Instantiate virtual
940 registers found in CALL_INSN_FUNCTION_USAGE.
942 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
944 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
945 equivalent to -ansi in disabling -Di386.
947 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
949 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
951 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
953 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
955 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
957 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
959 * invoke.texi: Document that -fcond-mismatch isn't supported for
962 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
964 * gcc.texi: Define macro gcctabopt.
965 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
966 @command, @env and @option in some places where appropriate. Use
967 @gcctabopt where appropriate. Put URLs and email addresses inside
970 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
972 * gcc.c (cpp_options): Set MD file name from output
973 filename, if specified.
974 (suffix_subst): New static variable.
976 (do_spec_1, case '.'): Handle new `%.suffix' spec.
978 (give_switch): Handle suffix_subst.
980 2001-01-10 Phil Edwards <pme@sources.redhat.com>
982 * invoke.texi: Fix another typo.
984 2001-01-10 Phil Edwards <pme@sources.redhat.com>
986 * invoke.texi: Fix typo.
988 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
990 * c-lang.c (lang_hooks): Update.
991 (lang_decode_option): Remove.
992 (lang_init_options): Rename c_init_options.
993 * toplev.c (main): Use lang_hooks for lang_init_options
994 and lang_decode_option.
995 * toplev.h (lang_hooks): Add 2 new hooks.
996 * tree.h: Remove lang_init_options and lang_decode_option.
997 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
998 * cp/decl2.c: Similarly.
999 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1000 (lang_hooks): Update.
1001 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1003 (lang_init_options): Rename ffe_init_options.
1004 (lang_hooks): Update.
1005 (lang_decode_option): Remove.
1006 * java/lang.c (lang_init_options): Rename java_init_options.
1007 (lang_decode_option): Rename java_decode_option.
1008 (lang_hooks): Update.
1009 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1010 (lang_decode_option): Rename objc_decode_option.
1011 (lang_hooks): Update.
1013 2001-01-09 Nick Clifton <nickc@redhat.com>
1015 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1016 (d30v_return_addr_rtx): Delete.
1017 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1018 cfun->machine structure.
1019 (struct machine_function): Move to d30v.h
1020 (d30v_save_machine_status): Delete.
1021 (d30v_restore_machine_status): Delete.
1022 (d30v_init_machine_status): New Function.
1023 (d30v_mark_machine_status): New Function.
1024 (d30v_free_machine_status): New Function.
1025 (d30v_init_expanders): Use new functions.
1026 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1027 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1028 d30v_return_addr_rtx.
1030 * config/d30v/d30v.h (struct_machine): Move here.
1031 Add eh_epilogue_sp_ofs field.
1033 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1034 field in cfun->machine structure.
1036 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1038 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1039 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1040 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1042 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1044 * objc/lang-options.h: Remove bogus reference to
1047 2001-01-09 Kazu Hirata <kazu@hxi.com>
1049 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1052 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1054 * reload.c (find_reloads_address): Check for eliminable registers
1055 when substituting a constant expression for a pseudo.
1057 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1059 * c-common.c (enum format_type): Add format_type_error.
1060 (decode_format_type): New function.
1061 (decl_attributes): Use it.
1062 (format_kind_info): Adjust comment.
1064 2001-01-09 David O'Brien <obrien@BSDi.com>
1066 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1067 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1069 * config/i386/gnu.h: Don't include required platform specific .h files,
1070 tm.h will do it instead.
1071 * config/i386/i386elf.h: Likewise.
1072 * config/i386/linux.h: Likewise.
1073 * config/i386/moss.h: Likewise.
1074 * config/mips/gnu.h: Likewise.
1076 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1078 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1079 (rs6000-ibm-aix3.[01]*): Likewise.
1080 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1081 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1082 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1083 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1084 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1085 (powerpc-*-eabiaix*): Likewise.
1086 (powerpc-*-eabisim*): Likewise.
1087 (powerpc-*-elf*): Likewise.
1088 (powerpc-*-eabi*): Likewise.
1089 (powerpc-*-rtems*): Likewise.
1090 (powerpc-*-linux*libc1): Likewise.
1091 (powerpc-*-linux*): Likewise.
1092 (powerpc-wrs-vxworks*): Likewise.
1093 (powerpcle-wrs-vxworks*): Likewise.
1094 (powerpcle-*-sysv*): Likewise.
1095 (powerpcle-*-elf*): Likewise.
1096 (powerpcle-*-eabisim*): Likewise.
1097 (powerpcle-*-eabi*): Likewise.
1098 (powerpcle-*-solaris2*): Likewise.
1099 * config/rs6000/aix31.h: Delete includes.
1100 * config/rs6000/aix3newas.h: Likewise.
1101 * config/rs6000/aix41.h: Likewise.
1102 * config/rs6000/aix43.h: Likewise.
1103 * config/rs6000/beos.h: Likewise.
1104 * config/rs6000/rtems.h: Likewise.
1105 * config/rs6000/sysv4.h: Likewise.
1107 2001-01-09 Kazu Hirata <kazu@hxi.com>
1109 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1110 Change an argument mode of machine_mode to shift_mode of
1111 shift_mode. Remove an extra error check.
1112 (emit_a_shift): Adopt to the new calling prototype of
1114 (function_prologue): Fix code for a monitor
1115 function. Support H8/S.
1116 (function_epilogue): Do not output pop for a monitor function.
1118 2001-01-09 Nick Clifton <nickc@redhat.com>
1120 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1121 (setup_incoming_varargs): Use sysv_varargs_p field of the
1122 cfun->machine structure.
1123 (struct machine_function): Move to rs6000.h
1124 (rs6000_save_machine_status): Delete.
1125 (rs6000_restore_machine_status): Delete.
1126 (rs6000_init_machine_status): New Function.
1127 (rs6000_free_machine_status): New Function.
1128 (rs6000_init_expanders): Use new functions.
1130 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1132 (struct machine_function): Move here.
1134 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1135 sysv_varargs_p field of the cfun->machine structure.
1137 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1139 (rs6000_restore_machine_status): Remove prototype.
1141 2001-01-09 Richard Henderson <rth@redhat.com>
1143 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1144 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1145 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1146 (sched_analyze_2, sched_analyze_insn): Likewise.
1147 (sched_analyze, init_deps): Likewise.
1148 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1149 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1150 (compute_block_backward_dependences): Update propagate_deps call.
1152 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1154 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1156 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1158 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1159 (cpp_handle_option): Handle them.
1160 (cpp_post_options): Ensure one of -M or -MM is specified with
1161 any other -M? option.
1162 (init_dependency_output): Suppress output with -MG.
1164 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1167 * invoke.texi: Update.
1169 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1171 * sh.md (reload_outsf): Generate recognizable patterns for
1174 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1176 * c-lang.c (lang_hooks): Update.
1177 (lang_init): Rename c_init.
1178 (lang_finish): Remove.
1179 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1181 * toplev.h (lang_hooks): Add init () and finish ().
1182 * tree.h (lang_init, lang_finish): Remove.
1183 * cp/tree.h (lang_init, lang_finish): Remove.
1184 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1185 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1187 (lang_init, lang_finish): Remove.
1188 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1189 (lang_hooks): Update.
1190 * java/lang.c (lang_init): Rename java_init.
1191 (lang_finish): Remove.
1192 (lang_hooks): Update.
1193 * objc/objc-act.c (lang_init): Rename objc_init.
1194 (lang_finish): Remove.
1195 (lang_hoooks): Update.
1197 20001-01-09 Graham Stott <grahams@redhat.com>
1199 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1200 after `ptr` is initialised.
1202 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1204 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1205 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1206 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1207 stack adjusts, instead of r3.
1209 2001-01-09 Michael Hayes <mhayes@redhat.com>
1211 * flow.c (flow_loop_scan): Break out of ...
1212 (flow_loops_find) ... here.
1213 * basic-block.h (flow_loop_scan): New.
1214 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1215 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1217 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1219 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1221 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1222 realloc()ing macro_buffer.
1224 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1225 if it's wider than long and the target's long is wider than the
1228 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1230 Remove support for using UWIN as a host machine.
1231 * configure.in: Issue an error message.
1232 * configure: Regenerated.
1233 * config.gcc: Remove xm_* UWIN configury.
1234 * config/i386/xm-uwin.h: Remove.
1236 2001-01-08 Nick Clifton <nickc@redhat.com>
1238 * config/v850/v850.c (ra_rtx): Delete.
1239 (v850_save_machine_status): Delete.
1240 (v850_restore_machine_status): Delete.
1241 (v850_init_machine_status): New function.
1242 (v850_mark_machine_status): New function.
1243 (v850_free_machine_status): New function.
1244 (v850_return_addr): Use ra_rtx field in machine structure.
1245 (v850_init_expanders): Use new functions.
1247 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1248 * config/v850/v850.c: Change arguments to v850_output+* functions
1249 to take a const char *, to avoid compile time warning.
1250 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1251 (USER_LABEL_PREFIX): Redefine.
1253 2000-01-08 Jim Wilson <wilson@redhat.com>
1255 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1256 1 to unsigned HOST_WIDE_INT before left shift.
1258 2001-01-08 Nick Clifton <nickc@redhat.com>
1260 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1261 the machine structure has been allocated.
1262 (arm_free_machine_status): New function: Free the machine
1263 specific function structure.
1265 2001-01-08 Richard Henderson <rth@redhat.com>
1267 * jump.c (simplejump_p): Revert last change.
1269 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1271 * cppinit.c (init): Rename init_library.
1272 (cpp_create_reader): Update.
1273 * gcc.c (cpp_options): If -o given, use it as the target of
1276 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1278 * arm.c (arm_arch5e): New variable.
1279 (all_cores): XScale is a 5TE device.
1280 (arm_override_options): Set arm_arch5e.
1281 (arm_init_builtins): __builtin_prefetch is in arch5e.
1282 * arm.h (arm_arch5e): Declare it.
1284 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1286 * arm.md (define_constants): Add defines for UNSPEC and
1287 UNSPEC_VOLATILE insns. Update all users.
1288 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1289 * arm.c (multi_register_push, note_invalid_constants)
1290 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1291 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1292 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1294 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1296 * jump.c (jump_optimize_1): Use reversed_comparison_code
1297 instead of can_reverse_comparison_p.
1298 (jump_back_p): Likewise.
1299 (invert_exp_1): Likewise.
1300 (thread_jumps): Likewise.
1301 * simplify-rtx.c (simplify_unary_operation): Likewise.
1302 (simplify_ternary_operation): Likewise.
1303 * cse.c (find_comparison_args): Convert to use
1304 can_reverse_comparison_p.
1305 (record_jump_equiv): Likewise.
1307 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1309 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1310 (EPILOGUE_USES): Define.
1311 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1312 automatically stack the LR if it isn't live.
1314 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1316 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1319 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1321 * ggc-page.c (max_alignment): New structure.
1322 (MAX_ALIGNMENT): New macro.
1323 (init_ggc): Use it to round up the sizes in the
1324 extra_order_size_table.
1326 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1328 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1331 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1333 * builtins.def (BUILT_IN_FPRINTF): New entry.
1335 * c-common.c (c_expand_builtin_fprintf): New function.
1336 (init_function_format_info): Handle __builtin_fprintf.
1337 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1338 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1340 * c-decl.c (duplicate_decls): Adjust comment.
1342 * extend.texi (fprintf): Document new builtin.
1344 2001-01-07 Richard Henderson <rth@redhat.com>
1346 * jump.c (simplejump_p): Recognize any single_set jump
1349 2001-01-07 Richard Henderson <rth@redhat.com>
1351 * configure.in (slibdir): Accept an --with-slibdir option.
1352 Use "test" not "[" in configure. Default to $(libdir).
1354 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1356 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1357 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1358 (SHLIB_LINK): Create links for the soname.
1359 * config/mips/t-iris6: Likewise.
1360 * config/sparc/t-slibgcc: Likewise.
1361 * config/sparc/t-slibgcc-sld: Likewise.
1363 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1365 * config/i386/i386.c (constant_call_address_operand): Accept
1366 (const (plus (symbol_ref) (const_int))).
1367 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1368 constant_call_address_operand.
1370 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1372 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1373 and LONG_LONG_TYPE_SIZE > 32.
1375 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1377 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1378 the previous change.
1380 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1382 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1384 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1385 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1386 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1389 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1391 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1393 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1395 * c-lang.c (c_post_options): Call cpp_post_options.
1396 * objc/objc-act.c (objc_post_options): Similarly.
1397 * cppmain.c (main): Similarly.
1398 * fix-header.c (read_scan_file): Similarly.
1399 * cppinit.c (cpp_start_read): Move option consistency checks
1400 to cpp_post_options. Don't call init_dependency_output.
1401 If needed, add default target and main file dependency.
1402 (OPT_MD, OPT_MMD): Remove.
1404 (cpp_handle_option): Update for OPT_* changes.
1405 (cpp_post_options): New.
1406 (init_dependency_output): Command line -MF overrides environment
1407 variables. Don't set default target etc. Suppress output
1408 if dependencies are going to stdout.
1409 (print_help): Update.
1410 * cpplib.h (cpp_post_options): New.
1411 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1413 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1415 * jump.c (comparison_dominates_p): Support unordered compares.
1417 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1419 * simplify-rtx.c (simplify_relational_operation): Always simplify
1420 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1423 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1425 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1426 (nonzero_bits): Likewise.
1427 (simplify_comparison): Likewise.
1428 (num_sign_bit_copies): Likewise; return more sane value depending
1429 on STORE_FLAG_VALUE.
1430 (known_cond): Do not assume EQ to be always true for equivalent
1433 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1435 * cse.c (fold_rtx): Handle unordered comparisons.
1437 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1439 * rtlanal.c (set_of_1): New static function.
1440 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1441 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1442 reg_set_last_last_regno): Remove.
1443 (set_of): New global function.
1444 (set_of_data): New structure.
1445 (reg_set_p, reg_set_last): Revamp for set_of.
1446 * rtl.h (set_of): New.
1448 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1450 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1451 * extend.texi: Document _Exit builtin.
1453 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1455 * (initialize, initialize_builtins,
1456 initialize_dependency_output, initialize_standard_includes):
1457 Rename s/initialize/init. Update.
1458 (init_dependency_output): Move to after
1459 cpp_handle_options, the correct location temporally at least.
1460 (opt_comp): Move next to init (), its caller. Fix prototype.
1461 (init): Make "initialized" local scope.
1462 (cpp_create_reader): Always call init ().
1463 (cpp_start_read): Update.
1464 (output_deps): New function, broken out of cpp_finish.
1465 (cpp_finish): Break out output_deps.
1467 2001-01-07 Richard Henderson <rth@redhat.com>
1469 * collect2.c (COFF specific stuff): Revert 12-06 patch
1470 to prototype system functions.
1472 2001-01-07 Michael Hayes <mhayes@redhat.com>
1474 * hard-reg-set.h: Add multiple include guard.
1475 * basic-block.h (struct loop): Add `sink' field.
1476 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1477 (emit_iv_add_mult): Delete.
1478 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1479 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1480 (unroll_loop): Remove end_insert_before argument.
1481 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1482 (maybe_eliminate_biv_1): Likewise.
1483 (emit_iv_add_mult): Delete.
1484 (gen_add_mult, loop_regs_update): New.
1485 (loop_insn_emit_after, loop_insn_emit_before): New.
1486 (loop_insn_sink, loop_insn_sink_or_swim): New.
1487 (emit_iv_add_mult): Delete.
1488 (scan_loop): Set loop->sink.
1489 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1490 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1491 (maybe_eliminate_biv_1): Likewise.
1492 (maybe_eliminate_biv_1): Add basic block argument.
1493 * unroll.c (unroll_loop): Remove end_insert_before argument.
1494 (find_splittable_regs): Likewise.
1495 (find_splittable_regs): Use loop_insn_sink and its ilk.
1496 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1498 2001-01-07 Michael Hayes <mhayes@redhat.com>
1500 * loop.h (loop_insn_hoist): New prototype.
1501 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1502 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1503 (check_dbra_loop, load_mems): Likewise.
1504 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1505 (find_splittable_givs): Likewise.
1507 2001-01-07 Michael Hayes <mhayes@redhat.com>
1509 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1511 2001-01-07 Richard Henderson <rth@redhat.com>
1513 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1515 2001-01-07 Richard Henderson <rth@redhat.com>
1517 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1518 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1519 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1520 variant that handles a shared libgcc.
1521 (process_command): Always validate -{static,shared}-libgcc.
1522 (do_spec_1): New 'M' case.
1523 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1525 2001-01-07 Richard Henderson <rth@redhat.com>
1527 * Makefile.in (slibdir): New variable.
1528 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1529 (installdirs): Create slibdir.
1530 (install-libgcc, install-multilib): Defer to libgcc.mk.
1531 * configure.in (slibdir): Substitute.
1532 * mklibgcc.in (install): New target.
1534 * config/t-linux (SHLIB_LINK): Create links for the soname.
1535 (SHLIB_INSTALL): New.
1536 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1537 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1538 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1539 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1540 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1542 2001-01-07 Richard Henderson <rth@redhat.com>
1544 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1545 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1546 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1548 2001-01-07 Michael Hayes <mhayes@redhat.com>
1550 * loop.c (count_loop_regs_set): Delete.
1551 (load_mems_and_recount_loop_regs_set): Delete.
1552 (loop_regs_scan): Merge common code from count_loop_regs_set,
1553 scan_loop, and load_mems_and_recount_loop_regs_set.
1554 (scan_loop): Call load_mems directly and loop_regs_scan
1555 again if new registers created.
1557 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1559 * toplev.c (main): Call the front-end specific post_options
1560 hook if one is given.
1561 * toplev.h (struct_lang_hooks, lang_hooks): New.
1562 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1563 for the C front end.
1564 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1565 lang_hooks for the C++ front end.
1566 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1567 lang_hooks for the ObjC front end.
1568 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1569 * java/lang.c (lang_hooks): Hooks for the Java front end.
1571 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1573 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1574 for verbose DWARF[2] debugging.
1575 (cb_define, cb_undef): The new callbacks.
1576 * toplev.h (debug_define, debug_undef): Make const correct.
1577 * toplev.c (debug_define, debug_undef): Similarly. Do not
1578 perform the verbosity tests here anymore.
1580 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1582 * reload.c (subst_reloads): Take INSN argument. When
1583 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1584 * reload.h (subst_reloads): Adjust prototype.
1585 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1586 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1587 present in JUMP_INSNs and copy them to JUMP_LABEL.
1588 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1589 JUMP_INSNs and insns with REG_LABELs that are followed by
1590 JUMP_INSNs with the same REG_LABEL.
1591 * sched-rgn.c (is_cfg_nonregular): Likewise.
1592 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1594 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1596 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1598 2001-01-06 Richard Henderson <rth@redhat.com>
1600 * loop.c (scan_loop): Use xcalloc for the regs array.
1601 (load_mems_and_recount_loop_regs_set): Zero the new memory
1602 received from xrealloc.
1604 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1606 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1608 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1610 * integrate.c (copy_rtx_and_substitute): When copying
1611 an ignored return value, strip REG_FUNCTION_VALUE_P.
1613 2001-01-06 Michael Hayes <mhayes@redhat.com>
1615 * loop.c (debug_biv, debug_giv): New.
1616 (loop_biv_dump): Break out from ...
1617 (record_biv): ... here.
1618 (loop_giv_dump): Break out from ...
1619 (record_giv): ... here.
1620 (loop_bivs_check): Use print_simple_rtl.
1621 * unroll.c (loop_iterations): Use print_simple_rtl.
1623 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1625 * pa.md (return, return_internal): Modify patterns to prevent regrename
1626 mucking with the return pointer.
1628 2001-01-05 Richard Henderson <rth@redhat.com>
1630 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1632 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1634 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1635 version supplied by Matteo Frigo.
1637 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1639 * cpp.texi: Update for -MQ.
1640 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1641 (cpp_cleanup): Always free pfile->deps.
1642 (initialize_dependency_output): Don't create pfile->deps.
1643 (cpp_handle_option): Similarly.
1645 * gcc.c (cpp_options): Handle -MQ.
1646 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1647 * mkdeps.c (base_name): Remove.
1648 (deps_init): Don't allocate vector space until it's needed.
1649 (deps_free): Only free vectors if allocated.
1650 (deps_add_target, deps_add_dep): Update for initial allocation.
1651 (deps_add_default_target): Don't strip to the base_name.
1653 2001-01-05 DJ Delorie <dj@redhat.com>
1655 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1656 (INIT_EXPANDERS): Define.
1658 * config/v850/v850.c (struct machine_function): Define.
1659 (v850_save_machine_status): New function.
1660 (v850_restore_machine_status): New function.
1661 (v850_return_addr): New function.
1662 (v850_init_expanders): New function.
1664 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1665 and v850_init_expanders.
1667 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1669 * cpplib.h (struct cpp_reader): Add help_only field.
1670 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1671 (cpp_handle_option): Set pfile->help_only if we see -h,
1672 --help, -target-help, or --version. Print version string but
1673 do not set help_only if we see -v or -version. Make text
1674 printed by -v match that printed by (-)-version.
1676 * cppmain.c (main): Exit after option parsing if
1677 pfile->help_only is true.
1679 * toplev.c (independent_decode_option): Call print_version,
1680 then exit, if we see --version (but not -version).
1681 (print_version): Split lengthy message into two lines.
1683 2001-01-05 Nick Clifton <nickc@redhat.com>
1685 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1686 temporary string for initialisation before calling ggc_alloc_string.
1688 2001-01-06 Michael Hayes <mhayes@redhat.com>
1690 * rtl.h (print_simple_rtl): New.
1691 * print-rtl.c (print_simple_rtl): New.
1693 (print_rtx): Disable printing of flags and modes, etc.,
1694 if `flag_simple` nonzero.
1696 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1698 * function.c (fixup_var_refs): Use push_to_full_sequence where
1701 2001-01-05 Michael Meissner <meissner@redhat.com>
1703 * flags.h (flag_reorder_blocks): Add declaration.
1704 (flag_rename_block): Ditto.
1706 2001-01-05 DJ Delorie <dj@redhat.com>
1708 * function.c (reorder_blocks): Make sure the flags are all reset
1709 before using them to mark blocks, else a second invocation will
1710 corrupt the block chain.
1711 (reorder_blocks_0): New, resets the flags.
1713 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1715 * cse.c (find_comparison_args): Stop if the argument is known to
1718 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1720 * config/sh/sh.md (movdf): When splitting load into pair of
1721 registers, don't clobber the register used in the address too
1724 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1726 * varasm.c (mark_constant_pool): Improve initial comments.
1727 (mark_constants): Move marking of constants to mark_constant.
1728 (mark_constant): New function to recursively mark all constants
1729 referred to by a constant.
1731 2001-01-05 Catherine Moore <clm@redhat.com>
1733 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1735 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1737 * cp/lang-options.h: Bring comment in line with reality.
1738 * f/lang-options.h: Likewise.
1739 * java/lang-options.h: Likewise.
1740 * objc/lang-options.h: Likewise.
1741 * ch/lang-options.h: Likewise.
1742 * f/g77.texi: And update the manual.
1744 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1745 Denis Chertykov <denisc@overta.ru>
1747 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1748 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1749 * config/avr/avr.md (all peepholes that request a scratch register):
1750 Call it, FAIL the peephole if not safe (in interrupt functions).
1752 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1754 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1756 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1758 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1760 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1761 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1762 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1763 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1764 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1766 * extend.texi: Document these builtins.
1768 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1770 * c-common.c (lang_get_alias_set): Say we know nothing of
1771 VECTOR_TYPE aliasing.
1773 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1775 2001-01-05 Bruce Korb <bkorb@gnu.org>
1777 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1778 their x* equivalent versions for atexit-less systems
1779 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1780 systems (or any other system any more).
1782 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1784 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1785 output operands. Use arm_hard_register_operand for operand 4.
1786 (stmsi_postinc): Similarly.
1787 (ldmsi): Use arm_hard_register_operand for opernand 2.
1789 * arm.c (arm_hard_register_operand): New function.
1790 * arm-protos.h (arm_hard_register_operand): Prototype it.
1792 * arm.h (HARD_REGNO_RENAME_OK): Define.
1794 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1796 * simplify-rtx.c (cfc_args): add "unordered" field.
1797 (check_fold_consts): Set unordered field.
1798 (simplify_relational_operation): Simplify the unordered
1801 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1804 * emit-rtl.c (try_split): Fix code to mark labels.
1805 * jump.c (mark_jump_label): Make global.
1806 * rtl.h (mark_jump_label): Declare.
1808 * predict.c (estimate_probability): Handle unordred comparisons.
1810 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1812 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1813 * cppinit.c (initialize_dependency_output): Update.
1814 (cpp_finish): Output dummy targets for -MP.
1816 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1817 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1818 * gcc.c (cpp_options): Update to handle -MP.
1819 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1820 to quote only the default target.
1821 (deps_phony_targets): Insert a preceding newline. Rename from
1822 deps_dummy_targets for consistency.
1825 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1827 * calls.c (emit_library_call_value_1): Support
1828 INIT_CUMULATIVE_LIBCALL_ARGS.
1829 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1831 2001-01-04 Richard Henderson <rth@redhat.com>
1833 * c-decl.c (finish_struct): Detect flexible array members
1834 used in an inappropriate context.
1835 * c-typeck.c (really_start_incremental_init): Special case
1836 constructor_max_index for zero length arrays.
1837 (pop_init_level): Allow initialization of flexible array
1838 members. Deprecate initialization of zero length arrays.
1839 Don't issue missing initializer warning for flexible array
1840 members or zero length arrays.
1841 (process_init_element): Don't dereference null DECL_SIZE.
1842 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1843 Don't abort for empty constructors. Use size_binop
1844 (output_constructor): Add commentary regarding zero length
1845 array futures. Abort if we try to initialize an array of
1846 unspecified length with a non-empty constructor in the middle
1849 * extend.texi (Zero Length): Update and clarify documentation
1850 on static initialization.
1852 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1854 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1855 with more than 32767 words of local storage.
1857 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1859 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1860 for 'abs', 'labs', and 'fabs'.
1861 (c4x_expand_builtin): Likewise.
1862 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1864 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1866 * config/sh/sh.md (prget, prset): New insn types.
1867 (return delay slot): Dont' allow prset.
1868 (call, sfunc delay slot): Don't allow prget.
1869 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1870 for prset and prget.
1872 2001-01-05 Michael Hayes <mhayes@redhat.com>
1874 * loop.h (struct loop_reg): New.
1875 (struct loop_regs): Change to use array of `struct loop_reg'.
1876 * loop.c: Replace assortment of varrays with single regs array.
1877 (count_one_set): Delete may_not_move array argument
1878 and use regs array instead. All caller's changed.
1879 (count_loop_regs_set): Delete may_not_move and single_usage
1880 arguments and use regs array instead. All caller's changed.
1881 (find_single_use_in_loop): Replace usage array argument with pointer
1882 to regs structure. All caller's changed.
1883 (loop_optimize): Delete `moved_once' array.
1885 2001-01-05 Michael Hayes <mhayes@redhat.com>
1887 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1888 Use it instead of loop_info->has_call for scanning loop mems.
1889 (check_dbra_loop): Replace loop_info->has_call test with
1890 loop_info->has_nonconst_call.
1892 2000-01-04 Matthew Hiller <hiller@redhat.com>
1894 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1897 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1899 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1900 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1902 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1904 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1905 (flag_short_double, flag_short_wchar): Define.
1906 (c_common_nodes_and_builtins): Create many tree nodes shared
1907 between C and C++ here instead of in cp/decl.c and ...
1908 * c-decl.c (init_decl_processing): ... here.
1909 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1910 (flag_short_double, flag_short_wchar): Don't define.
1911 (record_builtin_type): New function.
1912 (build_void_list_node): New function.
1913 * c-common.h (flag_short_double, flag_short_wchar,
1914 record_builtin_type, build_void_list_node): Declare.
1916 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1918 * integrate.c (expand_inline_function): Don't put a virtual
1919 register into the reg map.
1921 * function.c (fixup_var_refs_1): If force_operand didn't put
1922 the address into the target, move it there.
1924 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1926 Special-case tree_decl/tree_list allocations.
1927 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1928 (OBJECT_SIZE): New macro.
1929 (NUM_EXTRA_ORDER): Likewise.
1930 (extra_order_size_table): New variable.
1931 (NUM_ORDERS): New macro.
1932 (objects_per_page_table): New variable.
1933 (object_size_table): New variable.
1934 (G.pages): Use NUM_ORDERS to bound the array.
1935 (G.page_tails): Likewise.
1936 (DIV_ROUND_UP): Remove.
1937 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1938 (alloc_page): Use OBJECT_SIZE.
1939 (size_lookup): Don't make it const.
1940 (ggc_alloc): Use OBJECT_SIZE.
1941 (ggc_set_mark): Likewise.
1942 (ggc_get_size): Likewise.
1943 (init_ggc): Set up the object_size_table, objects_per_page_table,
1944 and adjust size_lookup.
1945 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1946 (ggc_pop_context): Use NUM_ORDERS.
1947 (clear_marks): Likewise.
1948 (sweep_pages): Likewise.
1949 (poison_pages): Likewise.
1950 (ggc_print_statistics): Use OBJECT_SIZE.
1952 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1954 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1955 Only call array_size_for_constructor if last field and array type
1956 with no upper bound.
1958 2001-01-04 Philip Blundell <philb@gnu.org>
1960 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1961 from bit 31 downwards, if this requires no more insns.
1962 (count_insns_for_constant): New helper function for above.
1964 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1966 * gencodes.c (output_predicate_decls): Remove empty initializer.
1968 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1970 * tree.c (copy_node): Remove documentation about obstacks.
1971 (buidl1): Check that nobody tries to build 2-argument nodes this
1974 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1976 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1979 * gencodes.c (output_predicate_decls): Fill empty initializer
1982 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1984 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1985 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1987 (do_include): Handle missing headers like cpp0.
1988 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1989 paths with first include pathname. Don't strcat to uninitialized
1992 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1994 * regrename.c (regrename_optimize): Don't rename from frame pointer
1995 if frame_pointer_needed.
1996 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1997 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1998 (ia64_reorg): Use it instead of scheduling if ! optimize.
1999 (errata_emit_nops): Properly call asm_noperands.
2000 (ia64_sched_reorder): Finish cycle if we see an asm.
2001 (ia64_variable_issue): Clear scheduling state after asms.
2003 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2005 * cpp.texi: Update for -MT.
2006 * cppinit.c (initialize_dependency_output): Add a default
2007 target if none has been given already.
2008 (no_tgt, OPT_MT): New.
2009 (cpp_handle_option): Handle -MT. Update -M etc.
2010 * cpplib.h (struct cpp_options): Remove deps_target.
2011 * gcc.c (cpp_options): Handle -MT.
2012 * mkdeps.c (struct deps): Move from mkdeps.h.
2013 (deps_calc_target): Rename deps_add_default_target. Add a
2014 default target if none has been specified already.
2015 * mkdeps.h (struct deps): Move to mkdeps.c.
2016 (deps_calc_target): Rename deps_add_default_target.
2018 2000-01-03 Richard Henderson <rth@redhat.com>
2020 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2022 * c-typeck.c (push_init_level): Move checks for flexible array
2023 members and zero length arrays ...
2024 (pop_init_level): ... here. Silently discard empty initializations.
2026 * varasm.c (output_constructor): Update for sizeof change to
2029 * extend.texi (Zero Length): Clarify semantics.
2031 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2033 * configure.in (tm.h): Include isns-codes.h last.
2034 * configure: Rebuilt.
2036 2001-01-03 Richard Henderson <rth@redhat.com>
2038 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2039 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2041 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2043 * tradcpp.c (main): Make sure finclude() is called with a valid
2044 indepth value while handling -include.
2046 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2048 * gencodes.c (output_predicate_decls): New function.
2050 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2051 even if it is not the first time machmode.h is #included.
2052 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2053 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2054 * gcc.texi (Copyright): Added 2001.
2056 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2058 * c-common.c (c_common_lang_init): New function. Warn if format
2059 warning options which only have effects when used with -Wformat
2060 are used without -Wformat.
2061 * c-common.h (c_common_lang_init): Declare.
2062 * c-lang.c (lang_init): Call c_common_lang_init.
2063 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2065 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2067 * configure.in: Check for the mktemp command.
2068 * configure: Regenerate.
2069 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2070 $TEMP. Create temporary files with mktemp, if available at
2071 configure time; otherwise use set -C. Remove temporary files
2074 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2076 * configure.in: Require at least texinfo 4.0. Check for whether
2077 Pod::Man is sufficiently recent to regenerate GCC manpages.
2078 * configure: Regenerate.
2079 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2081 (GENERATED_MANPAGES): Define.
2082 (generated-manpages): New target. Depend on cpp.1 as well as
2084 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2085 configure to generated-manpages or empty) rather than on the
2086 manpages directly. Remove execute permission from installed
2087 gcov.1 as well as cpp.1.
2088 * cpp.1, gcov.1: Regenerate.
2090 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2092 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2093 tree_low_cst. Allow using cmpstrsi in more cases.
2095 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2097 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2100 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2102 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2103 * Makefile.in (HOST_CFLAGS): Mention build-make.
2105 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2107 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2110 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2112 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2115 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2118 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2119 reg_base_value and reg_known_value arrays.
2120 (init_alias_analysis): Add more cases to detect known values.
2121 * sched-deps.c (deps_may_trap_p): New function.
2122 (sched_analyze_2): Use it.
2124 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2126 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2127 don't discard an ASHIFTRT if we're shifting in a wider mode.
2129 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2131 * toplev.c (rest_of_compilation): Don't print basic block information
2132 when CFG isn't up to date.
2134 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2136 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2137 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2138 (UNALIGNED_SHORT_ASM_OP): Define.
2139 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2141 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2143 * fold-const.c (fold_convert): Fix typo.
2145 2001-01-02 Richard Henderson <rth@redhat.com>
2147 * c-common.h (ASM_INPUT_P): New.
2148 * c-parse.in (asm): Set it when needed.
2149 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2150 existance of an operand.
2152 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2154 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2155 (dwarf2out_frame_debug_expr): Likewise.
2156 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2158 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2160 * i386.c (ix86_split_to_parts): Return number of part required;
2162 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2164 (ix86_split_long_move): Use number of part returned
2165 by ix86_split_to_parts
2166 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2168 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2169 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2170 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2171 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2172 (ALIGN_MODE_128): Add TFmode.
2173 (IS_STACK_MODE): Likewise.
2174 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2175 (HARD_REGNO_OK): Support TFmodes.
2176 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2177 * i386.md (scheduler definitions): Use memory operand to determine
2178 fst/fld instructions; use mode attribute to determine real mode of
2180 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2181 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2183 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2185 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2187 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2189 * expr.c (store_constructor_field): Update ALIGN before calling
2192 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2194 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2197 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2199 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2202 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2204 * c-decl.c (start_function): Don't warn on third parameter to main.
2206 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2208 * tsystem.h: Define HAVE_DECL_GETOPT.
2210 2001-01-02 Philip Blundell <pb@futuretv.com>
2212 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2215 2001-01-02 Richard Henderson <rth@redhat.com>
2217 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2219 2001-01-02 Andreas Jaeger <aj@suse.de>
2221 * c-decl.c (c_decode_option): Remove support of
2224 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2225 (W_options): Add -Wmissing-noreturn here.
2227 * flow.c: Define lang_missing_noreturn_ok_p.
2228 (check_function_return_warnings): Use it.
2230 * c-common.h: Declare lang_missing_noreturn_ok_p.
2232 * c-lang.c (c_missing_noreturn_ok_p): New function.
2233 (lang_init): Set lang_missing_noreturn_ok_p.
2235 * invoke.texi (Warning Options): Document this.
2237 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2239 * extend.texi (C++ Extensions): New node for C++ attributes;
2240 describe init_priority and com_interface.
2241 * invoke.texi: Remove -finit-priority as it now has zero effect.
2242 * install.texi: Fix xref syntax.
2243 * md.texi: Likewise.
2245 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2247 * config.gcc (sparc64-wrs-vxworks*): New case.
2248 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2250 * config/sparc/sparc.c (sparc_override_options): Do support different
2251 pointer and architecture size.
2252 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2253 (POINTERS_EXTEND_UNSIGNED): Define.
2254 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2255 (FUNCTION_MODE): Define to be Pmode.
2256 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2258 * function.c (expand_function_end): Properly handle DECL_RESULT
2259 and copy when ptr_mode != Pmode.
2260 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2262 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2264 * c-common.c (c_common_nodes_and_builtins): Set prototype
2265 parameters for __builtin_fputs, __builtin_fputc and
2266 __builtin_fwrite. Don't declare plain fputc as a builtin.
2268 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2270 * loop.c (add_label_notes): Increment the label usage count when
2271 a note is added to an insn which refers to a CODE_LABEL.
2272 * gcse.c (add_label_notes): Likewise.
2274 2001-01-01 Andreas Jaeger <aj@suse.de>
2276 * loop.c (scan_loop): Use xmalloc to allocate movables.
2278 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2280 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2281 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2282 * reload1.c (REGISTER_MOVE_COST): Likewise.
2283 * regclass.c (REGISTER_MOVE_COST): Likewise.
2284 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2285 dimension. Adjust all users.
2286 (init_reg_sets_1): Iterate on all modes.
2287 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2288 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2289 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2290 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2291 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2292 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2293 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2294 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2295 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2296 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2297 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2298 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2299 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2300 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2301 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2302 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2303 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2304 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2305 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2306 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2307 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2308 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2309 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2310 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2311 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2312 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2313 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2315 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2317 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2318 arg VARIES_P. Call it with extra arg.
2319 (true_dependence): Likewise.
2320 * rtl.h (rtx_addr_can_trap_p): Declare.
2321 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2323 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2324 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2325 pic offset table register if it's zero. All callers changed.
2326 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2328 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2330 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2331 STRING_POOL_ADDRESS_P.
2333 * config/sparc/sparc.c (input_operand): Properly test for short op.
2335 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2336 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2337 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2338 * config/sparc/elf.h: No longer include sol2.h.
2339 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2340 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2342 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2344 2001-01-01 Michael Hayes <mhayes@redhat.com>
2346 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2347 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2348 (record_initial): Likewise.
2349 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2350 (remap_split_bivs): Likewise.
2352 2001-01-01 Michael Hayes <mhayes@redhat.com>
2354 * loop.c (loop_ivs_free): New function.
2355 (strength_reduce): Break out from...
2357 2001-01-01 Michael Hayes <mhayes@redhat.com>
2359 * loop.h (struct iv): New.
2360 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2361 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2362 'reg_biv_class' fields with 'regs' and 'n_regs'.
2363 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2364 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2365 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2367 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2369 * resource.c (mark_referenced_resources): Abort() before
2370 attempting to mark a pseudo register.
2371 (mark_set_resources): Likewise.
2373 2001-01-01 Michael Hayes <mhayes@redhat.com>
2375 * loop.h (REG_IV_CLASS): New accessor macro.
2376 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2377 * unroll.c (REG_IV_CLASS): Likewise.
2379 See ChangeLog.4 for earlier changes.