1 2001-01-14 Richard Henderson <rth@redhat.com>
3 * config/vax/vax.md: Use nonimmediate_operand instead of
4 general_operand in destinations.
6 2001-01-14 Andreas Jaeger <aj@suse.de>
8 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10 (ix86_fp_compare_mode): Add unused attribute.
11 (ix86_expand_fp_movcc): Remove unused variable.
12 (ix86_expand_builtin): Make fcode unsigned.
14 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
15 (expand_expr): Add cast to avoid signed warning.
16 (store_field): Likewise.
17 (store_constructor_field): Likewise.
18 (store_constructor): Likewise.
19 (store_expr): Likewise.
20 (clear_storage): Likewise.
21 (emit_group_store): Likewise.
22 (emit_group_load): Likewise.
24 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
26 * c-common.c: Move format checking code to ...
27 * c-format.c: ... here. New file. Reorder some functions and
29 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
31 * c-common.h (decl_handle_format_attribute,
32 decl_handle_format_arg_attribute): Declare.
33 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
34 (c-common.o): Adjust dependencies.
35 (c-format.o): New list of dependencies.
37 2001-01-13 Jakub Jelinek <jakub@redhat.com>
39 * unroll.c (loop_iterations): If we cannot prove iteration variable
40 is set once in each iteration, punt.
42 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
44 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
45 (*strlenhi): Remove clobber (which was buggy) of output address.
47 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
49 * Makefile.in (generated-manpages): Add gcc.1
50 ($(srcdir)/gcc.1): New target.
51 (maintainer-clean): Delete $(srcdir)/gcc.1.
52 * gcc.texi: Add macros @gccoptlist and @gol.
53 * invoke.texi: Include option summary in manpage. Mark up option
54 summary with @gccoptlist and @gol. Use @r in one place where
56 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
57 * gcc.1: Generate from invoke.texi.
59 2001-01-13 Richard Henderson <rth@redhat.com>
61 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
62 (struct page_entry): Add group member.
63 (struct page_group): New.
64 (struct globals): Add page_groups member.
65 (alloc_anon): Only define for using mmap; remove valloc call.
66 (page_group_index): New.
67 (set_page_group_in_use): New.
68 (clear_page_group_in_use): New.
69 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
70 (free_page, release_pages): Likewise.
71 * configure.in (with-gc): Default to ggc-page always.
73 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
75 * reload1.c (replace_pseudos_in_call_usage): Use
76 reg_equiv_constant and reg_equiv_address, and don't try
79 2001-01-13 Richard Henderson <rth@redhat.com>
81 * ggc-page.c (alloc_page): Round up allocation size to one page.
82 Set e->order on extra pages.
84 2001-01-13 Richard Henderson <rth@redhat.com>
86 * genrecog.c (nodes_identical): Expand commentary.
87 (write_switch): Watch out for identical nodes.
89 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
91 * cppfiles.c (_cpp_fake_include): New function.
92 * cpphash.h (_cpp_fake_include): New.
93 * cpplib.c (do_line): Call _cpp_fake_include when entering
94 header files in preprocessed input.
95 * cppmain.c (cb_pragma_implementation): Remove handling.
96 (setup_callbacks): Don't register pragmas.
98 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
100 * extend.texi: Udate for CPP.
102 2001-01-13 Andreas Jaeger <aj@suse.de>
104 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
106 * regmove.c: Add prototype for replace_in_call_usage.
108 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
110 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
111 struct cpp_chunk, struct htab, struct toklist,
112 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
113 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
114 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
115 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
116 (struct macro_args): Delete.
117 * cpphash.h: See above.
119 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
121 * cppmain.c (struct printer): Remove no_line_dirs.
123 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
124 : Use options rather than CPP_OPTION.
125 (setup_callbacks): Use cb rather than pfile->cb.
126 (main): No need to check for a buffer. Use cpp_errors.
127 (printer_init): Don't set no_line_dirs.
128 (maybe_print_line): Use options not no_line_dirs.
129 (cb_file_change): Don't call print_line if -P.
131 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
133 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
135 * c-parse.in (finish_parse): Use cpp_errors.
136 (__yylex): Use return value of cpp_pop_buffer.
137 * cp/lex.c (finish_parse): Use cpp_errors.
138 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
140 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
142 * README.AVR: URLs corrected.
144 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
146 * c-decl.c (start_function): Don't warn if old prototype is builtin
147 that's not in C's namespace.
148 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
149 (_bb): Add prototype for ctime.
150 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
152 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
154 * i386.c (ix86_fp_comparison_arithmetics_cost,
155 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
156 ix86_fp_comparison_cost): New functions.
157 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
158 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
159 two-branch sequences; make static.
160 (ix86_use_fcomi_compare): Do decision according to the costs.
161 (split_fp_branch): New.
162 * i386.md (compare-and-branch patterns): Use split_fp_branch.
163 * i386-protos.h (ix86_expand_fp_compare): Remove
164 (ix86_split_fp_branch): Declare.
166 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
167 and ix86_comparison_operator.
169 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
172 * i386.c (put_condition_code): Output properly the unordered/ordered
174 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
176 * tm.texi (REVERSE_CONDITION): Document.
177 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
179 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
181 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
183 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
185 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
188 * config/sh/sh.c (mova_p): Fix test for mova_const.
190 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
192 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
193 cpp_get_options rather than dereferencing pfile and using
195 * scan-decls.c (scan_decls): Use return value of
196 cpp_pop_buffer rather than CPP_BUFFER.
198 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
200 * cppinit.c (cpp_handle_option): help_only is now part of the
201 cpp_options structure.
202 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
203 cpp_set_callbacks): New functions.
204 * cpplib.h (cpp_callbacks): Break out as a named structure.
205 (cpp_options): Move help_only here from cpp_reader.
206 (CPP_FATAL_ERRORS): Update to use cpp_errors.
207 (cpp_errors, cpp_get_options, cpp_get_callbacks,
208 cpp_set_callbacks): New prototypes.
209 * cppmain.c (main): Update for help_only.
211 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
213 * Makefile.in (info, maintainer-clean, install-info, uninstall):
214 Also build and remove and install and uninstall c-tree.info and
216 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
217 ($(srcdir)/cppinternals.info): New target.
218 * c-tree.texi: Change file name used when makeinfo used without -o
219 from ir.info to c-tree.info. Add info directory entry.
220 * cppinternals.texi: Add info directory entry.
221 * .cvsignore: Update.
223 2001-01-12 Jakub Jelinek <jakub@redhat.com>
225 * c-typeck.c (store_init_value): Don't require constant initializer
226 elements with -pedantic -std=c99.
227 (digest_init): Change error about non-constant initializer elements
229 (constructor_range_end): Remove.
230 (constructor_incremental, designator_depth,
231 designator_errorneous): New variables.
232 (struct constructor_stack): Remove range_end, add incremental.
233 (struct constructor_range_stack, constructor_range_stack): New.
234 (struct initializer_stack): Add constructor_range_stack.
235 (finish_init): Set it.
236 (start_init): Likewise. require_constant_elements for non-static
237 trees only if not flag_isoc99.
238 (really_start_incremental_init): Remove constructor_range_end, add
239 constructor_incremental.
240 (pop_init_level): Likewise.
241 (push_init_level): Likewise. If implicit and the subobject had some
242 value set already, preinitialize the level with it.
243 Warn about missing braces only if not pushing due to designators.
244 (set_designator, push_range_stack): New functions.
245 (set_init_label): Use them.
246 (set_init_index): Likewise. Remove constructor_range_end.
247 Error if designator index is outside of array bounds.
248 (add_pending_init): Compare values of purpose index trees, not the
249 trees themselves. Allow overwriting of already initialized element.
250 Issue a warning if it had side-effects.
251 (set_nonincremental_init, set_nonincremental_init_from_string): New
253 (pending_init_member): Rename to...
254 (find_init_member): ...this function. Call set_nonincremental_init
255 if necessary. Compare values of purpose index trees, not the trees
256 themselves. Return the actual value, not just non-zero if something
258 (output_init_element): Remove checks for duplicates.
259 If field has zero size, only check the initializer for correctness.
260 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
261 if constructor_incremental is zero. Change error about initializers
262 not computable at load time into pedwarn.
263 (output_pending_init_elements): Compare bit positions, not
264 FIELD_DECLs to take into account zero-sized fields.
265 (process_init_element): Use constructor_range_stack to fill all
266 ranges in the designator lists from current level up.
267 * extend.texi: Update documentation for labeled elements.
269 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
271 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
272 to function usage for arguments passed by reference. Optimize
273 callee-copied arguments.
274 * regmove.c (replace_in_call_usage): New function.
275 (fixup_match_1): Call it.
276 * cse.c (cse_insn): Canonicalize registers in function usage.
277 * reload1.c (replace_pseudos_in_call_usage): New function.
280 * Makefile.in: Reverted yesterday's wrong patch. Installed the
283 2001-01-12 Jakub Jelinek <jakub@redhat.com>
285 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
288 2001-01-12 DJ Delorie <dj@redhat.com>
290 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
291 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
294 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
296 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
297 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
298 -std options alongside references to -ansi. Update some
299 documentation for C99.
302 2001-01-12 Andreas Jaeger <aj@suse.de>
304 * haifa-sched.c (restore_line_notes): Remove argument block B
306 * sched-ebb.c (schedule_ebb): Change caller.
307 * sched-rgn.c (schedule_region): Likewise.
308 * sched-int.h (restore_line_notes): Adjust prototype.
310 * loop.h: Remove wrong declaration of doloop_condition_get.
312 2001-01-12 Phil Edwards <pme@sources.redhat.com>
314 * extend.texi: Move C++-extension-related node from the C section
315 into the C++ section.
317 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
319 * extend.texi: Refer to an array of pointers to functions instead
322 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
323 Jan Hubicka <jh@suse.cz>
325 * combine.c (reversed_comparison): Fix typo in last patch.
327 (combine_reversed_comparison_code): Make static to follow
328 prototype declaration.
330 2001-01-12 Phil Edwards <pme@sources.redhat.com>
332 * install.texi: Remove misplaced duplicate entry.
334 2001-01-11 Ulrich Drepper <drepper@redhat.com>
336 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
338 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
340 * final.c: (leaf_function_p): Fix typo.
342 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
344 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
345 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
347 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
348 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
349 mmap_anon, and valloc is available.
350 * ggc-page.c: Restructure ifdef logic to match new autoconf
351 spec. Don't throw away the test page in init_ggc.
353 * configure, config.in: Regenerate.
355 2001-01-12 Michael Hayes <mhayes@redhat.com>
357 * loop.h (total_biv_increment): Constify iv_class pointer.
358 (struct induction): Replace `mem_mode' with `mem' rtx.
359 * unroll.c (total_biv_increment): Constify iv_class pointer.
360 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
361 (find_mem_givs, combine_givs_p): Likewise.
362 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
364 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
366 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
368 (__gthread_getspecific): Ditto.
370 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
372 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
373 put_condition_code): Convert fp comparison codes to integer
375 (ix86_expand_fp_compare): Postnote the fp comparison code converison
378 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
379 * i386-protos.h (no_comparison_operator): Kill.
381 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
383 * combine.c (REVERSIBLE_CC_MODE): Remove.
384 (reversible_comparison_p): Remove.
385 (combine_reversed_comparison_code): New.
386 (reversed_comparison): New.
387 (combine_simplify_rtx): Use
388 combine_reversed_comparison_code/reversed_comparison instead
389 of reversible_comparison_p.
390 (simplify_if_then_else): Likewise.
391 (simplify_set): Likewise.
392 (simplify_logical): Likewise.
393 (if_then_else_cond): Likewise.
394 (known_cond): Likewise.
395 (simplify_comparison): Likewise.
397 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
399 * builtins.c (std_expand_builtin_va_start): Handle varargs when
400 sizeof (int) is larger than sizeof(__word__).
402 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
404 * cppinit.c (do_includes): Fix typo.
406 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
408 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
409 in S_REGS does not occur because not all sources are possible
410 when a S_REGS is a destination (sometimes needs a clobber).
411 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
412 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
413 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
414 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
415 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
416 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
417 (lshrdi_const1, lshrsi3_const16): Likewise.
418 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
419 (*movhi_68hc12, *movqi_68hc12): Likewise.
420 (movstrictqi): Make sure reloading in D_REGS as a destination
423 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
425 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
427 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
429 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
430 -D, -U and -A, and don't initialize the builtins.
431 (do_includes): Error if -include or -imacros with -fpreprocessed.
432 * cppmain.c (cb_define, cb_undef): Unconditionally process
434 * tradcpp.c (main): Fix typo.
436 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
438 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
439 (read_name_map): Use IS_ABSOLUTE_PATH.
440 * tradcpp.c (get_filename): Likewise.
442 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
444 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
445 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
446 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
447 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
448 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
449 (cmphi_z_used): Don't use '@' for the output.
450 (tstqi_z_used): Likewise.
451 (cmpqi_z_used): Likewise.
452 (one_cmplsi2): Likewise.
454 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
456 * config/sh/sh.c (barrier_align): Recognize branch around far
457 branch and redundant insn.
459 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
461 * invoke.texi: Restore documentation of the drivers' switches -MD
464 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
466 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
468 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
469 check-objc//%): Support parallel testing of multilibs.
470 (TESTSUITEDIR): Set to testsuite by default, but override for
472 (check-gcc, check-g++, check-g77, check-objc): Enter
475 2001-01-11 Bernd Schmidt <bernds@redhat.com>
477 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
478 * sched-deps.c (deps_may_trap_p): Likewise.
479 * basic-block.h: Remove a comment.
480 * flow.c (PROP_POSTRELOAD): Remove.
481 (update_life_info): Don't add it to prop_flags.
482 (mark_set_1): Lose the code that was enabled by it.
484 2001-01-11 Michael Hayes <mhayes@redhat.com>
486 * flow.c (flow_call_edges_add): New.
487 * basic_block.h (flow_call_edges_add): New.
489 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
491 * reload1.c (move2add_note_store): Update reg_set_luid even if
492 base reg remains the same.
494 2001-01-10 Nick Clifton <nickc@redhat.com>
496 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
497 machine_function structure to zero.
498 Add prototypes for machine_status functions.
500 2001-01-10 Mark Mitchell <mark@codesourcery.com>
502 * c-common.h (CTI_VOID_LIST): Remove.
503 (void_list_node): Likewise.
504 * tree.h (TI_VOID_LIST_NODE): New enumeral.
505 (void_list_node): New macro.
506 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
507 * config/i386/i386.c (ix86_init_builtins): Likewise.
508 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
510 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
512 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
513 * cppinit.c (cpp_start_read): Update comment, remove unneeded
515 * tradcpp.c: Include mkdeps.h.
516 (deps, print_deps_phony_targets, deps_append, output_deps,
517 init_dependency_output, output_deps): New.
518 (deps_buffer, deps_allocated_size, deps_size, deps_column,
519 deps_output): Delete.
520 (print_deps_missing_files): Rename deps_missing_files.
521 (inhibit_output): Make global.
522 (main): Delete inhibit_output, deps_stream, deps_target.
523 Use mkdeps functionality in the same way as cpplib. Remove
524 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
525 -M and -MM. Remove old handling of deps via deps_out, and
526 old reading of environment variables.
527 (get_filename): Update to use deps_add_dep.
529 2001-01-10 Mark Mitchell <mark@codesourcery.com>
531 * output.h (make_function_rtl): Remove prototype.
532 (make_decl_rtl): Likewise.
533 * varasm.c (make_function_rtl): Remove.
534 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
535 than from a third parameter.
536 * tree.h (make_decl_rtl): Remove last parameter.
537 * c-decl.c (builtin_function): Remove last argument in call to
538 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
539 (start_function): Likewise.
540 * except.c (call_get_eh_context): Likewise.
541 * expr.c (emit_block_move): Likewise.
542 (clear_storage): Likewise.
543 * profile.c (output_func_start_profiler): Likewise.
544 * toplev.c (rest_of_decl_compilation): Likewise.
545 * objc/objc-act.c (create_builtin_decl): Likewise.
546 (synth_module_prologue): Likewise.
547 (generate_static_reference): Likewise.
548 (build_selector_reference_decl): Likewise.
549 (build_class_reference_decl): Likewise.
550 (build_objc_string_decl): Likewise.
551 (build_protocol_reference): Likewise.
553 2001-01-10 Richard Henderson <rth@redhat.com>
555 * hwint.h: Revert yesterday's change.
557 2001-01-10 Nick Clifton <nickc@redhat.com>
559 * function.h (save_machine_status): Delete.
560 (restore_machine_status): Delete.
561 Amend comment describing {init|mark|free}_machine_status.
563 * function.c (save_machine_status): Delete.
564 (restore_machine_status): Delete.
565 Amend comment describing {init|mark|free}_machine_status.
566 (push_function_context_to): Remove invocation of
568 (pop_function_context_from): Remove invocation of
569 restore_machine_status.
571 * emit-rtl.c (init_emit_once): Amend comment describing
572 {init|mark|free}_machine_status.
574 * tm.texi (Per-Function Data): New node. Describe the
575 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
578 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
580 * cppinit.c (OPT_g): Remove.
581 (cpp_handle_option): Update for removed -g3.
582 (print_help): Update.
583 * cpplib.h (struct cpp_options): Remove debug_output.
584 * cppmain.c (setup_callbacks, cb_define): Update.
585 * gcc.c (cpp_options): Translate -g3 to -dD.
587 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
589 * config/i960/i960.md: Change modifier to + on the zero_extract
590 pattern after the (rotate -2 reg) canonicalization pattern.
592 2001-01-10 Richard Henderson <rth@redhat.com>
594 * config/alpha/alpha.c (alpha_free_machine_status): New.
595 (override_options): Install it.
596 (alpha_mark_machine_status): Verify machine non-null.
597 * config/i386/i386.c (ix86_free_machine_status): New.
598 (override_options): Install it.
599 (ix86_init_machine_status): Use xcalloc.
600 (ix86_mark_machine_status): Verify machine non-null.
601 * config/ia64/ia64.c (ia64_free_machine_status): New.
602 (ia64_override_options): Install it.
603 (ia64_mark_machine_status): Verify machine non-null.
605 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
607 * function.c (instantiate_virtual_regs): Instantiate virtual
608 registers found in CALL_INSN_FUNCTION_USAGE.
610 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
612 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
613 equivalent to -ansi in disabling -Di386.
615 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
617 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
619 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
621 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
623 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
625 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
627 * invoke.texi: Document that -fcond-mismatch isn't supported for
630 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
632 * gcc.texi: Define macro gcctabopt.
633 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
634 @command, @env and @option in some places where appropriate. Use
635 @gcctabopt where appropriate. Put URLs and email addresses inside
638 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
640 * gcc.c (cpp_options): Set MD file name from output
641 filename, if specified.
642 (suffix_subst): New static variable.
644 (do_spec_1, case '.'): Handle new `%.suffix' spec.
646 (give_switch): Handle suffix_subst.
648 2001-01-10 Phil Edwards <pme@sources.redhat.com>
650 * invoke.texi: Fix another typo.
652 2001-01-10 Phil Edwards <pme@sources.redhat.com>
654 * invoke.texi: Fix typo.
656 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
658 * c-lang.c (lang_hooks): Update.
659 (lang_decode_option): Remove.
660 (lang_init_options): Rename c_init_options.
661 * toplev.c (main): Use lang_hooks for lang_init_options
662 and lang_decode_option.
663 * toplev.h (lang_hooks): Add 2 new hooks.
664 * tree.h: Remove lang_init_options and lang_decode_option.
665 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
666 * cp/decl2.c: Similarly.
667 * cp/lex.c (lang_init_options): Rename cxx_init_options.
668 (lang_hooks): Update.
669 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
671 (lang_init_options): Rename ffe_init_options.
672 (lang_hooks): Update.
673 (lang_decode_option): Remove.
674 * java/lang.c (lang_init_options): Rename java_init_options.
675 (lang_decode_option): Rename java_decode_option.
676 (lang_hooks): Update.
677 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
678 (lang_decode_option): Rename objc_decode_option.
679 (lang_hooks): Update.
681 2001-01-09 Nick Clifton <nickc@redhat.com>
683 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
684 (d30v_return_addr_rtx): Delete.
685 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
686 cfun->machine structure.
687 (struct machine_function): Move to d30v.h
688 (d30v_save_machine_status): Delete.
689 (d30v_restore_machine_status): Delete.
690 (d30v_init_machine_status): New Function.
691 (d30v_mark_machine_status): New Function.
692 (d30v_free_machine_status): New Function.
693 (d30v_init_expanders): Use new functions.
694 (d30v_return_addr): Use ra_rtx field in cfun->machine.
695 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
696 d30v_return_addr_rtx.
698 * config/d30v/d30v.h (struct_machine): Move here.
699 Add eh_epilogue_sp_ofs field.
701 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
702 field in cfun->machine structure.
704 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
706 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
707 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
708 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
710 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
712 * objc/lang-options.h: Remove bogus reference to
715 2001-01-09 Kazu Hirata <kazu@hxi.com>
717 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
720 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
722 * reload.c (find_reloads_address): Check for eliminable registers
723 when substituting a constant expression for a pseudo.
725 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
727 * c-common.c (enum format_type): Add format_type_error.
728 (decode_format_type): New function.
729 (decl_attributes): Use it.
730 (format_kind_info): Adjust comment.
732 2001-01-09 David O'Brien <obrien@BSDi.com>
734 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
735 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
737 * config/i386/gnu.h: Don't include required platform specific .h files,
738 tm.h will do it instead.
739 * config/i386/i386elf.h: Likewise.
740 * config/i386/linux.h: Likewise.
741 * config/i386/moss.h: Likewise.
742 * config/mips/gnu.h: Likewise.
744 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
746 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
747 (rs6000-ibm-aix3.[01]*): Likewise.
748 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
749 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
750 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
751 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
752 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
753 (powerpc-*-eabiaix*): Likewise.
754 (powerpc-*-eabisim*): Likewise.
755 (powerpc-*-elf*): Likewise.
756 (powerpc-*-eabi*): Likewise.
757 (powerpc-*-rtems*): Likewise.
758 (powerpc-*-linux*libc1): Likewise.
759 (powerpc-*-linux*): Likewise.
760 (powerpc-wrs-vxworks*): Likewise.
761 (powerpcle-wrs-vxworks*): Likewise.
762 (powerpcle-*-sysv*): Likewise.
763 (powerpcle-*-elf*): Likewise.
764 (powerpcle-*-eabisim*): Likewise.
765 (powerpcle-*-eabi*): Likewise.
766 (powerpcle-*-solaris2*): Likewise.
767 * config/rs6000/aix31.h: Delete includes.
768 * config/rs6000/aix3newas.h: Likewise.
769 * config/rs6000/aix41.h: Likewise.
770 * config/rs6000/aix43.h: Likewise.
771 * config/rs6000/beos.h: Likewise.
772 * config/rs6000/rtems.h: Likewise.
773 * config/rs6000/sysv4.h: Likewise.
775 2001-01-09 Kazu Hirata <kazu@hxi.com>
777 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
778 Change an argument mode of machine_mode to shift_mode of
779 shift_mode. Remove an extra error check.
780 (emit_a_shift): Adopt to the new calling prototype of
782 (function_prologue): Fix code for a monitor
783 function. Support H8/S.
784 (function_epilogue): Do not output pop for a monitor function.
786 2001-01-09 Nick Clifton <nickc@redhat.com>
788 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
789 (setup_incoming_varargs): Use sysv_varargs_p field of the
790 cfun->machine structure.
791 (struct machine_function): Move to rs6000.h
792 (rs6000_save_machine_status): Delete.
793 (rs6000_restore_machine_status): Delete.
794 (rs6000_init_machine_status): New Function.
795 (rs6000_free_machine_status): New Function.
796 (rs6000_init_expanders): Use new functions.
798 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
800 (struct machine_function): Move here.
802 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
803 sysv_varargs_p field of the cfun->machine structure.
805 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
807 (rs6000_restore_machine_status): Remove prototype.
809 2001-01-09 Richard Henderson <rth@redhat.com>
811 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
812 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
813 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
814 (sched_analyze_2, sched_analyze_insn): Likewise.
815 (sched_analyze, init_deps): Likewise.
816 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
817 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
818 (compute_block_backward_dependences): Update propagate_deps call.
820 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
822 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
824 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
826 * cppinit.c (OPT_MD, OPT_MMD): Restore.
827 (cpp_handle_option): Handle them.
828 (cpp_post_options): Ensure one of -M or -MM is specified with
829 any other -M? option.
830 (init_dependency_output): Suppress output with -MG.
832 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
835 * invoke.texi: Update.
837 2001-01-09 Bernd Schmidt <bernds@redhat.com>
839 * sh.md (reload_outsf): Generate recognizable patterns for
842 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
844 * c-lang.c (lang_hooks): Update.
845 (lang_init): Rename c_init.
846 (lang_finish): Remove.
847 * toplev.c (compile_file): Use lang_hooks for lang_init ()
849 * toplev.h (lang_hooks): Add init () and finish ().
850 * tree.h (lang_init, lang_finish): Remove.
851 * cp/tree.h (lang_init, lang_finish): Remove.
852 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
853 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
855 (lang_init, lang_finish): Remove.
856 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
857 (lang_hooks): Update.
858 * java/lang.c (lang_init): Rename java_init.
859 (lang_finish): Remove.
860 (lang_hooks): Update.
861 * objc/objc-act.c (lang_init): Rename objc_init.
862 (lang_finish): Remove.
863 (lang_hoooks): Update.
865 20001-01-09 Graham Stott <grahams@redhat.com>
867 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
868 after `ptr` is initialised.
870 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
872 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
873 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
874 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
875 stack adjusts, instead of r3.
877 2001-01-09 Michael Hayes <mhayes@redhat.com>
879 * flow.c (flow_loop_scan): Break out of ...
880 (flow_loops_find) ... here.
881 * basic-block.h (flow_loop_scan): New.
882 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
883 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
885 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
887 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
889 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
890 realloc()ing macro_buffer.
892 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
893 if it's wider than long and the target's long is wider than the
896 2001-01-09 Mark Mitchell <mark@codesourcery.com>
898 Remove support for using UWIN as a host machine.
899 * configure.in: Issue an error message.
900 * configure: Regenerated.
901 * config.gcc: Remove xm_* UWIN configury.
902 * config/i386/xm-uwin.h: Remove.
904 2001-01-08 Nick Clifton <nickc@redhat.com>
906 * config/v850/v850.c (ra_rtx): Delete.
907 (v850_save_machine_status): Delete.
908 (v850_restore_machine_status): Delete.
909 (v850_init_machine_status): New function.
910 (v850_mark_machine_status): New function.
911 (v850_free_machine_status): New function.
912 (v850_return_addr): Use ra_rtx field in machine structure.
913 (v850_init_expanders): Use new functions.
915 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
916 * config/v850/v850.c: Change arguments to v850_output+* functions
917 to take a const char *, to avoid compile time warning.
918 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
919 (USER_LABEL_PREFIX): Redefine.
921 2000-01-08 Jim Wilson <wilson@redhat.com>
923 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
924 1 to unsigned HOST_WIDE_INT before left shift.
926 2001-01-08 Nick Clifton <nickc@redhat.com>
928 * config/arm/arm.c (arm_mark_machine_status): Check to see if
929 the machine structure has been allocated.
930 (arm_free_machine_status): New function: Free the machine
931 specific function structure.
933 2001-01-08 Richard Henderson <rth@redhat.com>
935 * jump.c (simplejump_p): Revert last change.
937 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
939 * cppinit.c (init): Rename init_library.
940 (cpp_create_reader): Update.
941 * gcc.c (cpp_options): If -o given, use it as the target of
944 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
946 * arm.c (arm_arch5e): New variable.
947 (all_cores): XScale is a 5TE device.
948 (arm_override_options): Set arm_arch5e.
949 (arm_init_builtins): __builtin_prefetch is in arch5e.
950 * arm.h (arm_arch5e): Declare it.
952 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
954 * arm.md (define_constants): Add defines for UNSPEC and
955 UNSPEC_VOLATILE insns. Update all users.
956 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
957 * arm.c (multi_register_push, note_invalid_constants)
958 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
959 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
960 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
962 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
964 * jump.c (jump_optimize_1): Use reversed_comparison_code
965 instead of can_reverse_comparison_p.
966 (jump_back_p): Likewise.
967 (invert_exp_1): Likewise.
968 (thread_jumps): Likewise.
969 * simplify-rtx.c (simplify_unary_operation): Likewise.
970 (simplify_ternary_operation): Likewise.
971 * cse.c (find_comparison_args): Convert to use
972 can_reverse_comparison_p.
973 (record_jump_equiv): Likewise.
975 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
977 * arm.h (HARD_REGNO_RENAME_OK): Delete.
978 (EPILOGUE_USES): Define.
979 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
980 automatically stack the LR if it isn't live.
982 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
984 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
987 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
989 * ggc-page.c (max_alignment): New structure.
990 (MAX_ALIGNMENT): New macro.
991 (init_ggc): Use it to round up the sizes in the
992 extra_order_size_table.
994 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
996 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
999 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1001 * builtins.def (BUILT_IN_FPRINTF): New entry.
1003 * c-common.c (c_expand_builtin_fprintf): New function.
1004 (init_function_format_info): Handle __builtin_fprintf.
1005 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1006 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1008 * c-decl.c (duplicate_decls): Adjust comment.
1010 * extend.texi (fprintf): Document new builtin.
1012 2001-01-07 Richard Henderson <rth@redhat.com>
1014 * jump.c (simplejump_p): Recognize any single_set jump
1017 2001-01-07 Richard Henderson <rth@redhat.com>
1019 * configure.in (slibdir): Accept an --with-slibdir option.
1020 Use "test" not "[" in configure. Default to $(libdir).
1022 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1024 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1025 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1026 (SHLIB_LINK): Create links for the soname.
1027 * config/mips/t-iris6: Likewise.
1028 * config/sparc/t-slibgcc: Likewise.
1029 * config/sparc/t-slibgcc-sld: Likewise.
1031 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1033 * config/i386/i386.c (constant_call_address_operand): Accept
1034 (const (plus (symbol_ref) (const_int))).
1035 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1036 constant_call_address_operand.
1038 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1040 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1041 and LONG_LONG_TYPE_SIZE > 32.
1043 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1045 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1046 the previous change.
1048 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1050 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1052 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1053 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1054 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1057 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1059 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1061 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1063 * c-lang.c (c_post_options): Call cpp_post_options.
1064 * objc/objc-act.c (objc_post_options): Similarly.
1065 * cppmain.c (main): Similarly.
1066 * fix-header.c (read_scan_file): Similarly.
1067 * cppinit.c (cpp_start_read): Move option consistency checks
1068 to cpp_post_options. Don't call init_dependency_output.
1069 If needed, add default target and main file dependency.
1070 (OPT_MD, OPT_MMD): Remove.
1072 (cpp_handle_option): Update for OPT_* changes.
1073 (cpp_post_options): New.
1074 (init_dependency_output): Command line -MF overrides environment
1075 variables. Don't set default target etc. Suppress output
1076 if dependencies are going to stdout.
1077 (print_help): Update.
1078 * cpplib.h (cpp_post_options): New.
1079 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1081 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1083 * jump.c (comparison_dominates_p): Support unordered compares.
1085 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1087 * simplify-rtx.c (simplify_relational_operation): Always simplify
1088 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1091 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1093 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1094 (nonzero_bits): Likewise.
1095 (simplify_comparison): Likewise.
1096 (num_sign_bit_copies): Likewise; return more sane value depending
1097 on STORE_FLAG_VALUE.
1098 (known_cond): Do not assume EQ to be always true for equivalent
1101 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1103 * cse.c (fold_rtx): Handle unordered comparisons.
1105 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1107 * rtlanal.c (set_of_1): New static function.
1108 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1109 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1110 reg_set_last_last_regno): Remove.
1111 (set_of): New global function.
1112 (set_of_data): New structure.
1113 (reg_set_p, reg_set_last): Revamp for set_of.
1114 * rtl.h (set_of): New.
1116 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1118 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1119 * extend.texi: Document _Exit builtin.
1121 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1123 * (initialize, initialize_builtins,
1124 initialize_dependency_output, initialize_standard_includes):
1125 Rename s/initialize/init. Update.
1126 (init_dependency_output): Move to after
1127 cpp_handle_options, the correct location temporally at least.
1128 (opt_comp): Move next to init (), its caller. Fix prototype.
1129 (init): Make "initialized" local scope.
1130 (cpp_create_reader): Always call init ().
1131 (cpp_start_read): Update.
1132 (output_deps): New function, broken out of cpp_finish.
1133 (cpp_finish): Break out output_deps.
1135 2001-01-07 Richard Henderson <rth@redhat.com>
1137 * collect2.c (COFF specific stuff): Revert 12-06 patch
1138 to prototype system functions.
1140 2001-01-07 Michael Hayes <mhayes@redhat.com>
1142 * hard-reg-set.h: Add multiple include guard.
1143 * basic-block.h (struct loop): Add `sink' field.
1144 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1145 (emit_iv_add_mult): Delete.
1146 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1147 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1148 (unroll_loop): Remove end_insert_before argument.
1149 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1150 (maybe_eliminate_biv_1): Likewise.
1151 (emit_iv_add_mult): Delete.
1152 (gen_add_mult, loop_regs_update): New.
1153 (loop_insn_emit_after, loop_insn_emit_before): New.
1154 (loop_insn_sink, loop_insn_sink_or_swim): New.
1155 (emit_iv_add_mult): Delete.
1156 (scan_loop): Set loop->sink.
1157 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1158 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1159 (maybe_eliminate_biv_1): Likewise.
1160 (maybe_eliminate_biv_1): Add basic block argument.
1161 * unroll.c (unroll_loop): Remove end_insert_before argument.
1162 (find_splittable_regs): Likewise.
1163 (find_splittable_regs): Use loop_insn_sink and its ilk.
1164 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1166 2001-01-07 Michael Hayes <mhayes@redhat.com>
1168 * loop.h (loop_insn_hoist): New prototype.
1169 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1170 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1171 (check_dbra_loop, load_mems): Likewise.
1172 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1173 (find_splittable_givs): Likewise.
1175 2001-01-07 Michael Hayes <mhayes@redhat.com>
1177 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1179 2001-01-07 Richard Henderson <rth@redhat.com>
1181 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1183 2001-01-07 Richard Henderson <rth@redhat.com>
1185 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1186 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1187 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1188 variant that handles a shared libgcc.
1189 (process_command): Always validate -{static,shared}-libgcc.
1190 (do_spec_1): New 'M' case.
1191 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1193 2001-01-07 Richard Henderson <rth@redhat.com>
1195 * Makefile.in (slibdir): New variable.
1196 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1197 (installdirs): Create slibdir.
1198 (install-libgcc, install-multilib): Defer to libgcc.mk.
1199 * configure.in (slibdir): Substitute.
1200 * mklibgcc.in (install): New target.
1202 * config/t-linux (SHLIB_LINK): Create links for the soname.
1203 (SHLIB_INSTALL): New.
1204 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1205 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1206 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1207 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1208 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1210 2001-01-07 Richard Henderson <rth@redhat.com>
1212 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1213 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1214 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1216 2001-01-07 Michael Hayes <mhayes@redhat.com>
1218 * loop.c (count_loop_regs_set): Delete.
1219 (load_mems_and_recount_loop_regs_set): Delete.
1220 (loop_regs_scan): Merge common code from count_loop_regs_set,
1221 scan_loop, and load_mems_and_recount_loop_regs_set.
1222 (scan_loop): Call load_mems directly and loop_regs_scan
1223 again if new registers created.
1225 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1227 * toplev.c (main): Call the front-end specific post_options
1228 hook if one is given.
1229 * toplev.h (struct_lang_hooks, lang_hooks): New.
1230 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1231 for the C front end.
1232 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1233 lang_hooks for the C++ front end.
1234 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1235 lang_hooks for the ObjC front end.
1236 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1237 * java/lang.c (lang_hooks): Hooks for the Java front end.
1239 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1241 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1242 for verbose DWARF[2] debugging.
1243 (cb_define, cb_undef): The new callbacks.
1244 * toplev.h (debug_define, debug_undef): Make const correct.
1245 * toplev.c (debug_define, debug_undef): Similarly. Do not
1246 perform the verbosity tests here anymore.
1248 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1250 * reload.c (subst_reloads): Take INSN argument. When
1251 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1252 * reload.h (subst_reloads): Adjust prototype.
1253 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1254 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1255 present in JUMP_INSNs and copy them to JUMP_LABEL.
1256 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1257 JUMP_INSNs and insns with REG_LABELs that are followed by
1258 JUMP_INSNs with the same REG_LABEL.
1259 * sched-rgn.c (is_cfg_nonregular): Likewise.
1260 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1262 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1264 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1266 2001-01-06 Richard Henderson <rth@redhat.com>
1268 * loop.c (scan_loop): Use xcalloc for the regs array.
1269 (load_mems_and_recount_loop_regs_set): Zero the new memory
1270 received from xrealloc.
1272 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1274 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1276 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1278 * integrate.c (copy_rtx_and_substitute): When copying
1279 an ignored return value, strip REG_FUNCTION_VALUE_P.
1281 2001-01-06 Michael Hayes <mhayes@redhat.com>
1283 * loop.c (debug_biv, debug_giv): New.
1284 (loop_biv_dump): Break out from ...
1285 (record_biv): ... here.
1286 (loop_giv_dump): Break out from ...
1287 (record_giv): ... here.
1288 (loop_bivs_check): Use print_simple_rtl.
1289 * unroll.c (loop_iterations): Use print_simple_rtl.
1291 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1293 * pa.md (return, return_internal): Modify patterns to prevent regrename
1294 mucking with the return pointer.
1296 2001-01-05 Richard Henderson <rth@redhat.com>
1298 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1300 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1302 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1303 version supplied by Matteo Frigo.
1305 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1307 * cpp.texi: Update for -MQ.
1308 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1309 (cpp_cleanup): Always free pfile->deps.
1310 (initialize_dependency_output): Don't create pfile->deps.
1311 (cpp_handle_option): Similarly.
1313 * gcc.c (cpp_options): Handle -MQ.
1314 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1315 * mkdeps.c (base_name): Remove.
1316 (deps_init): Don't allocate vector space until it's needed.
1317 (deps_free): Only free vectors if allocated.
1318 (deps_add_target, deps_add_dep): Update for initial allocation.
1319 (deps_add_default_target): Don't strip to the base_name.
1321 2001-01-05 DJ Delorie <dj@redhat.com>
1323 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1324 (INIT_EXPANDERS): Define.
1326 * config/v850/v850.c (struct machine_function): Define.
1327 (v850_save_machine_status): New function.
1328 (v850_restore_machine_status): New function.
1329 (v850_return_addr): New function.
1330 (v850_init_expanders): New function.
1332 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1333 and v850_init_expanders.
1335 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1337 * cpplib.h (struct cpp_reader): Add help_only field.
1338 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1339 (cpp_handle_option): Set pfile->help_only if we see -h,
1340 --help, -target-help, or --version. Print version string but
1341 do not set help_only if we see -v or -version. Make text
1342 printed by -v match that printed by (-)-version.
1344 * cppmain.c (main): Exit after option parsing if
1345 pfile->help_only is true.
1347 * toplev.c (independent_decode_option): Call print_version,
1348 then exit, if we see --version (but not -version).
1349 (print_version): Split lengthy message into two lines.
1351 2001-01-05 Nick Clifton <nickc@redhat.com>
1353 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1354 temporary string for initialisation before calling ggc_alloc_string.
1356 2001-01-06 Michael Hayes <mhayes@redhat.com>
1358 * rtl.h (print_simple_rtl): New.
1359 * print-rtl.c (print_simple_rtl): New.
1361 (print_rtx): Disable printing of flags and modes, etc.,
1362 if `flag_simple` nonzero.
1364 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1366 * function.c (fixup_var_refs): Use push_to_full_sequence where
1369 2001-01-05 Michael Meissner <meissner@redhat.com>
1371 * flags.h (flag_reorder_blocks): Add declaration.
1372 (flag_rename_block): Ditto.
1374 2001-01-05 DJ Delorie <dj@redhat.com>
1376 * function.c (reorder_blocks): Make sure the flags are all reset
1377 before using them to mark blocks, else a second invocation will
1378 corrupt the block chain.
1379 (reorder_blocks_0): New, resets the flags.
1381 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1383 * cse.c (find_comparison_args): Stop if the argument is known to
1386 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1388 * config/sh/sh.md (movdf): When splitting load into pair of
1389 registers, don't clobber the register used in the address too
1392 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1394 * varasm.c (mark_constant_pool): Improve initial comments.
1395 (mark_constants): Move marking of constants to mark_constant.
1396 (mark_constant): New function to recursively mark all constants
1397 referred to by a constant.
1399 2001-01-05 Catherine Moore <clm@redhat.com>
1401 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1403 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1405 * cp/lang-options.h: Bring comment in line with reality.
1406 * f/lang-options.h: Likewise.
1407 * java/lang-options.h: Likewise.
1408 * objc/lang-options.h: Likewise.
1409 * ch/lang-options.h: Likewise.
1410 * f/g77.texi: And update the manual.
1412 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1413 Denis Chertykov <denisc@overta.ru>
1415 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1416 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1417 * config/avr/avr.md (all peepholes that request a scratch register):
1418 Call it, FAIL the peephole if not safe (in interrupt functions).
1420 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1422 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1424 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1426 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1428 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1429 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1430 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1431 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1432 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1434 * extend.texi: Document these builtins.
1436 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1438 * c-common.c (lang_get_alias_set): Say we know nothing of
1439 VECTOR_TYPE aliasing.
1441 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1443 2001-01-05 Bruce Korb <bkorb@gnu.org>
1445 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1446 their x* equivalent versions for atexit-less systems
1447 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1448 systems (or any other system any more).
1450 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1452 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1453 output operands. Use arm_hard_register_operand for operand 4.
1454 (stmsi_postinc): Similarly.
1455 (ldmsi): Use arm_hard_register_operand for opernand 2.
1457 * arm.c (arm_hard_register_operand): New function.
1458 * arm-protos.h (arm_hard_register_operand): Prototype it.
1460 * arm.h (HARD_REGNO_RENAME_OK): Define.
1462 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1464 * simplify-rtx.c (cfc_args): add "unordered" field.
1465 (check_fold_consts): Set unordered field.
1466 (simplify_relational_operation): Simplify the unordered
1469 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1472 * emit-rtl.c (try_split): Fix code to mark labels.
1473 * jump.c (mark_jump_label): Make global.
1474 * rtl.h (mark_jump_label): Declare.
1476 * predict.c (estimate_probability): Handle unordred comparisons.
1478 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1480 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1481 * cppinit.c (initialize_dependency_output): Update.
1482 (cpp_finish): Output dummy targets for -MP.
1484 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1485 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1486 * gcc.c (cpp_options): Update to handle -MP.
1487 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1488 to quote only the default target.
1489 (deps_phony_targets): Insert a preceding newline. Rename from
1490 deps_dummy_targets for consistency.
1493 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1495 * calls.c (emit_library_call_value_1): Support
1496 INIT_CUMULATIVE_LIBCALL_ARGS.
1497 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1499 2001-01-04 Richard Henderson <rth@redhat.com>
1501 * c-decl.c (finish_struct): Detect flexible array members
1502 used in an inappropriate context.
1503 * c-typeck.c (really_start_incremental_init): Special case
1504 constructor_max_index for zero length arrays.
1505 (pop_init_level): Allow initialization of flexible array
1506 members. Deprecate initialization of zero length arrays.
1507 Don't issue missing initializer warning for flexible array
1508 members or zero length arrays.
1509 (process_init_element): Don't dereference null DECL_SIZE.
1510 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1511 Don't abort for empty constructors. Use size_binop
1512 (output_constructor): Add commentary regarding zero length
1513 array futures. Abort if we try to initialize an array of
1514 unspecified length with a non-empty constructor in the middle
1517 * extend.texi (Zero Length): Update and clarify documentation
1518 on static initialization.
1520 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1522 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1523 with more than 32767 words of local storage.
1525 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1527 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1528 for 'abs', 'labs', and 'fabs'.
1529 (c4x_expand_builtin): Likewise.
1530 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1532 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1534 * config/sh/sh.md (prget, prset): New insn types.
1535 (return delay slot): Dont' allow prset.
1536 (call, sfunc delay slot): Don't allow prget.
1537 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1538 for prset and prget.
1540 2001-01-05 Michael Hayes <mhayes@redhat.com>
1542 * loop.h (struct loop_reg): New.
1543 (struct loop_regs): Change to use array of `struct loop_reg'.
1544 * loop.c: Replace assortment of varrays with single regs array.
1545 (count_one_set): Delete may_not_move array argument
1546 and use regs array instead. All caller's changed.
1547 (count_loop_regs_set): Delete may_not_move and single_usage
1548 arguments and use regs array instead. All caller's changed.
1549 (find_single_use_in_loop): Replace usage array argument with pointer
1550 to regs structure. All caller's changed.
1551 (loop_optimize): Delete `moved_once' array.
1553 2001-01-05 Michael Hayes <mhayes@redhat.com>
1555 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1556 Use it instead of loop_info->has_call for scanning loop mems.
1557 (check_dbra_loop): Replace loop_info->has_call test with
1558 loop_info->has_nonconst_call.
1560 2000-01-04 Matthew Hiller <hiller@redhat.com>
1562 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1565 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1567 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1568 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1570 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1572 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1573 (flag_short_double, flag_short_wchar): Define.
1574 (c_common_nodes_and_builtins): Create many tree nodes shared
1575 between C and C++ here instead of in cp/decl.c and ...
1576 * c-decl.c (init_decl_processing): ... here.
1577 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1578 (flag_short_double, flag_short_wchar): Don't define.
1579 (record_builtin_type): New function.
1580 (build_void_list_node): New function.
1581 * c-common.h (flag_short_double, flag_short_wchar,
1582 record_builtin_type, build_void_list_node): Declare.
1584 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1586 * integrate.c (expand_inline_function): Don't put a virtual
1587 register into the reg map.
1589 * function.c (fixup_var_refs_1): If force_operand didn't put
1590 the address into the target, move it there.
1592 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1594 Special-case tree_decl/tree_list allocations.
1595 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1596 (OBJECT_SIZE): New macro.
1597 (NUM_EXTRA_ORDER): Likewise.
1598 (extra_order_size_table): New variable.
1599 (NUM_ORDERS): New macro.
1600 (objects_per_page_table): New variable.
1601 (object_size_table): New variable.
1602 (G.pages): Use NUM_ORDERS to bound the array.
1603 (G.page_tails): Likewise.
1604 (DIV_ROUND_UP): Remove.
1605 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1606 (alloc_page): Use OBJECT_SIZE.
1607 (size_lookup): Don't make it const.
1608 (ggc_alloc): Use OBJECT_SIZE.
1609 (ggc_set_mark): Likewise.
1610 (ggc_get_size): Likewise.
1611 (init_ggc): Set up the object_size_table, objects_per_page_table,
1612 and adjust size_lookup.
1613 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1614 (ggc_pop_context): Use NUM_ORDERS.
1615 (clear_marks): Likewise.
1616 (sweep_pages): Likewise.
1617 (poison_pages): Likewise.
1618 (ggc_print_statistics): Use OBJECT_SIZE.
1620 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1622 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1623 Only call array_size_for_constructor if last field and array type
1624 with no upper bound.
1626 2001-01-04 Philip Blundell <philb@gnu.org>
1628 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1629 from bit 31 downwards, if this requires no more insns.
1630 (count_insns_for_constant): New helper function for above.
1632 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1634 * gencodes.c (output_predicate_decls): Remove empty initializer.
1636 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1638 * tree.c (copy_node): Remove documentation about obstacks.
1639 (buidl1): Check that nobody tries to build 2-argument nodes this
1642 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1644 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1647 * gencodes.c (output_predicate_decls): Fill empty initializer
1650 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1652 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1653 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1655 (do_include): Handle missing headers like cpp0.
1656 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1657 paths with first include pathname. Don't strcat to uninitialized
1660 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1662 * regrename.c (regrename_optimize): Don't rename from frame pointer
1663 if frame_pointer_needed.
1664 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1665 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1666 (ia64_reorg): Use it instead of scheduling if ! optimize.
1667 (errata_emit_nops): Properly call asm_noperands.
1668 (ia64_sched_reorder): Finish cycle if we see an asm.
1669 (ia64_variable_issue): Clear scheduling state after asms.
1671 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1673 * cpp.texi: Update for -MT.
1674 * cppinit.c (initialize_dependency_output): Add a default
1675 target if none has been given already.
1676 (no_tgt, OPT_MT): New.
1677 (cpp_handle_option): Handle -MT. Update -M etc.
1678 * cpplib.h (struct cpp_options): Remove deps_target.
1679 * gcc.c (cpp_options): Handle -MT.
1680 * mkdeps.c (struct deps): Move from mkdeps.h.
1681 (deps_calc_target): Rename deps_add_default_target. Add a
1682 default target if none has been specified already.
1683 * mkdeps.h (struct deps): Move to mkdeps.c.
1684 (deps_calc_target): Rename deps_add_default_target.
1686 2000-01-03 Richard Henderson <rth@redhat.com>
1688 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1690 * c-typeck.c (push_init_level): Move checks for flexible array
1691 members and zero length arrays ...
1692 (pop_init_level): ... here. Silently discard empty initializations.
1694 * varasm.c (output_constructor): Update for sizeof change to
1697 * extend.texi (Zero Length): Clarify semantics.
1699 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1701 * configure.in (tm.h): Include isns-codes.h last.
1702 * configure: Rebuilt.
1704 2001-01-03 Richard Henderson <rth@redhat.com>
1706 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1707 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1709 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1711 * tradcpp.c (main): Make sure finclude() is called with a valid
1712 indepth value while handling -include.
1714 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1716 * gencodes.c (output_predicate_decls): New function.
1718 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1719 even if it is not the first time machmode.h is #included.
1720 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1721 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1722 * gcc.texi (Copyright): Added 2001.
1724 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1726 * c-common.c (c_common_lang_init): New function. Warn if format
1727 warning options which only have effects when used with -Wformat
1728 are used without -Wformat.
1729 * c-common.h (c_common_lang_init): Declare.
1730 * c-lang.c (lang_init): Call c_common_lang_init.
1731 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1733 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1735 * configure.in: Check for the mktemp command.
1736 * configure: Regenerate.
1737 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1738 $TEMP. Create temporary files with mktemp, if available at
1739 configure time; otherwise use set -C. Remove temporary files
1742 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1744 * configure.in: Require at least texinfo 4.0. Check for whether
1745 Pod::Man is sufficiently recent to regenerate GCC manpages.
1746 * configure: Regenerate.
1747 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1749 (GENERATED_MANPAGES): Define.
1750 (generated-manpages): New target. Depend on cpp.1 as well as
1752 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1753 configure to generated-manpages or empty) rather than on the
1754 manpages directly. Remove execute permission from installed
1755 gcov.1 as well as cpp.1.
1756 * cpp.1, gcov.1: Regenerate.
1758 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1760 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1761 tree_low_cst. Allow using cmpstrsi in more cases.
1763 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1765 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1768 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1770 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1771 * Makefile.in (HOST_CFLAGS): Mention build-make.
1773 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1775 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1778 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1780 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1783 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1786 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1787 reg_base_value and reg_known_value arrays.
1788 (init_alias_analysis): Add more cases to detect known values.
1789 * sched-deps.c (deps_may_trap_p): New function.
1790 (sched_analyze_2): Use it.
1792 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1794 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1795 don't discard an ASHIFTRT if we're shifting in a wider mode.
1797 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1799 * toplev.c (rest_of_compilation): Don't print basic block information
1800 when CFG isn't up to date.
1802 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1804 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1805 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1806 (UNALIGNED_SHORT_ASM_OP): Define.
1807 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1809 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1811 * fold-const.c (fold_convert): Fix typo.
1813 2001-01-02 Richard Henderson <rth@redhat.com>
1815 * c-common.h (ASM_INPUT_P): New.
1816 * c-parse.in (asm): Set it when needed.
1817 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1818 existance of an operand.
1820 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1822 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1823 (dwarf2out_frame_debug_expr): Likewise.
1824 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1826 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1828 * i386.c (ix86_split_to_parts): Return number of part required;
1830 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1832 (ix86_split_long_move): Use number of part returned
1833 by ix86_split_to_parts
1834 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1836 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1837 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1838 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1839 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1840 (ALIGN_MODE_128): Add TFmode.
1841 (IS_STACK_MODE): Likewise.
1842 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1843 (HARD_REGNO_OK): Support TFmodes.
1844 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1845 * i386.md (scheduler definitions): Use memory operand to determine
1846 fst/fld instructions; use mode attribute to determine real mode of
1848 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1849 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1851 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1853 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1855 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1857 * expr.c (store_constructor_field): Update ALIGN before calling
1860 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1862 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
1865 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1867 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
1870 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1872 * c-decl.c (start_function): Don't warn on third parameter to main.
1874 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1876 * tsystem.h: Define HAVE_DECL_GETOPT.
1878 2001-01-02 Philip Blundell <pb@futuretv.com>
1880 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
1883 2001-01-02 Richard Henderson <rth@redhat.com>
1885 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
1887 2001-01-02 Andreas Jaeger <aj@suse.de>
1889 * c-decl.c (c_decode_option): Remove support of
1892 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
1893 (W_options): Add -Wmissing-noreturn here.
1895 * flow.c: Define lang_missing_noreturn_ok_p.
1896 (check_function_return_warnings): Use it.
1898 * c-common.h: Declare lang_missing_noreturn_ok_p.
1900 * c-lang.c (c_missing_noreturn_ok_p): New function.
1901 (lang_init): Set lang_missing_noreturn_ok_p.
1903 * invoke.texi (Warning Options): Document this.
1905 2000-12-27 Phil Edwards <pme@sources.redhat.com>
1907 * extend.texi (C++ Extensions): New node for C++ attributes;
1908 describe init_priority and com_interface.
1909 * invoke.texi: Remove -finit-priority as it now has zero effect.
1910 * install.texi: Fix xref syntax.
1911 * md.texi: Likewise.
1913 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1915 * config.gcc (sparc64-wrs-vxworks*): New case.
1916 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
1918 * config/sparc/sparc.c (sparc_override_options): Do support different
1919 pointer and architecture size.
1920 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
1921 (POINTERS_EXTEND_UNSIGNED): Define.
1922 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
1923 (FUNCTION_MODE): Define to be Pmode.
1924 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
1926 * function.c (expand_function_end): Properly handle DECL_RESULT
1927 and copy when ptr_mode != Pmode.
1928 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
1930 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1932 * c-common.c (c_common_nodes_and_builtins): Set prototype
1933 parameters for __builtin_fputs, __builtin_fputc and
1934 __builtin_fwrite. Don't declare plain fputc as a builtin.
1936 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1938 * loop.c (add_label_notes): Increment the label usage count when
1939 a note is added to an insn which refers to a CODE_LABEL.
1940 * gcse.c (add_label_notes): Likewise.
1942 2001-01-01 Andreas Jaeger <aj@suse.de>
1944 * loop.c (scan_loop): Use xmalloc to allocate movables.
1946 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
1948 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
1949 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
1950 * reload1.c (REGISTER_MOVE_COST): Likewise.
1951 * regclass.c (REGISTER_MOVE_COST): Likewise.
1952 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
1953 dimension. Adjust all users.
1954 (init_reg_sets_1): Iterate on all modes.
1955 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
1956 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
1957 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
1958 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
1959 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
1960 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
1961 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
1962 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
1963 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
1964 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
1965 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
1966 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
1967 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
1968 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
1969 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
1970 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
1971 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
1972 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
1973 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
1974 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
1975 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
1976 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
1977 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
1978 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
1979 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
1980 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
1981 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
1983 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1985 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
1986 arg VARIES_P. Call it with extra arg.
1987 (true_dependence): Likewise.
1988 * rtl.h (rtx_addr_can_trap_p): Declare.
1989 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
1991 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
1992 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
1993 pic offset table register if it's zero. All callers changed.
1994 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
1996 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1998 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
1999 STRING_POOL_ADDRESS_P.
2001 * config/sparc/sparc.c (input_operand): Properly test for short op.
2003 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2004 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2005 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2006 * config/sparc/elf.h: No longer include sol2.h.
2007 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2008 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2010 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2012 2001-01-01 Michael Hayes <mhayes@redhat.com>
2014 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2015 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2016 (record_initial): Likewise.
2017 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2018 (remap_split_bivs): Likewise.
2020 2001-01-01 Michael Hayes <mhayes@redhat.com>
2022 * loop.c (loop_ivs_free): New function.
2023 (strength_reduce): Break out from...
2025 2001-01-01 Michael Hayes <mhayes@redhat.com>
2027 * loop.h (struct iv): New.
2028 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2029 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2030 'reg_biv_class' fields with 'regs' and 'n_regs'.
2031 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2032 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2033 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2035 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2037 * resource.c (mark_referenced_resources): Abort() before
2038 attempting to mark a pseudo register.
2039 (mark_set_resources): Likewise.
2041 2001-01-01 Michael Hayes <mhayes@redhat.com>
2043 * loop.h (REG_IV_CLASS): New accessor macro.
2044 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2045 * unroll.c (REG_IV_CLASS): Likewise.
2047 See ChangeLog.4 for earlier changes.