1 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6 2001-01-14 Kazu Hirata <kazu@hxi.com>
8 * config/h8300/h8300.c (get_shift_alg): Update comments.
10 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
13 (alloc_page, ggc_alloc): Add casts to remove warnings.
15 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
17 * combine.c (simplify_comparison): Don't change `code' when
18 can't reverse comparison.
20 2001-01-14 Richard Henderson <rth@redhat.com>
22 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
23 update all call sites. Return true for all non-label constants.
25 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
27 * i386.c (ix86_expand_compare): Add bypass_test and second_test
29 (ix86_expand_branch): Update.
30 (ix86_expand_setcc): Update to handle multiple test conditions.
31 (expand_int_movcc): Likewise.
32 (expand_fp_movcc): Likewise.
33 * i386-protos.h (ix86_expand_compare): New.
34 * i386.md (andqi_?_slp, orqi_?_slp): New.
35 (conditional trap expander): Update call to ix86_expand_compare.
37 2001-01-14 Richard Henderson <rth@redhat.com>
39 * config/vax/vax.md: Use nonimmediate_operand instead of
40 general_operand in destinations.
42 * config/vax/vax.md (indirect_jump): Use register_operand.
44 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
45 * config/vax/vax.md (call_pop): Turn into an expander.
46 (call_value_pop): Likewise.
47 (call, call_value): New.
49 2001-01-14 Andreas Jaeger <aj@suse.de>
51 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
53 (ix86_fp_compare_mode): Add unused attribute.
54 (ix86_expand_fp_movcc): Remove unused variable.
55 (ix86_expand_builtin): Make fcode unsigned.
57 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
58 (expand_expr): Add cast to avoid signed warning.
59 (store_field): Likewise.
60 (store_constructor_field): Likewise.
61 (store_constructor): Likewise.
62 (store_expr): Likewise.
63 (clear_storage): Likewise.
64 (emit_group_store): Likewise.
65 (emit_group_load): Likewise.
67 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
69 * c-common.c: Move format checking code to ...
70 * c-format.c: ... here. New file. Reorder some functions and
72 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
74 * c-common.h (decl_handle_format_attribute,
75 decl_handle_format_arg_attribute): Declare.
76 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
77 (c-common.o): Adjust dependencies.
78 (c-format.o): New list of dependencies.
80 2001-01-13 Jakub Jelinek <jakub@redhat.com>
82 * unroll.c (loop_iterations): If we cannot prove iteration variable
83 is set once in each iteration, punt.
85 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
87 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
88 (*strlenhi): Remove clobber (which was buggy) of output address.
90 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
92 * Makefile.in (generated-manpages): Add gcc.1
93 ($(srcdir)/gcc.1): New target.
94 (maintainer-clean): Delete $(srcdir)/gcc.1.
95 * gcc.texi: Add macros @gccoptlist and @gol.
96 * invoke.texi: Include option summary in manpage. Mark up option
97 summary with @gccoptlist and @gol. Use @r in one place where
99 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
100 * gcc.1: Generate from invoke.texi.
102 2001-01-13 Richard Henderson <rth@redhat.com>
104 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
105 (struct page_entry): Add group member.
106 (struct page_group): New.
107 (struct globals): Add page_groups member.
108 (alloc_anon): Only define for using mmap; remove valloc call.
109 (page_group_index): New.
110 (set_page_group_in_use): New.
111 (clear_page_group_in_use): New.
112 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
113 (free_page, release_pages): Likewise.
114 * configure.in (with-gc): Default to ggc-page always.
116 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
118 * reload1.c (replace_pseudos_in_call_usage): Use
119 reg_equiv_constant and reg_equiv_address, and don't try
122 2001-01-13 Richard Henderson <rth@redhat.com>
124 * ggc-page.c (alloc_page): Round up allocation size to one page.
125 Set e->order on extra pages.
127 2001-01-13 Richard Henderson <rth@redhat.com>
129 * genrecog.c (nodes_identical): Expand commentary.
130 (write_switch): Watch out for identical nodes.
132 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
134 * cppfiles.c (_cpp_fake_include): New function.
135 * cpphash.h (_cpp_fake_include): New.
136 * cpplib.c (do_line): Call _cpp_fake_include when entering
137 header files in preprocessed input.
138 * cppmain.c (cb_pragma_implementation): Remove handling.
139 (setup_callbacks): Don't register pragmas.
141 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
143 * extend.texi: Udate for CPP.
145 2001-01-13 Andreas Jaeger <aj@suse.de>
147 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
149 * regmove.c: Add prototype for replace_in_call_usage.
151 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
153 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
154 struct cpp_chunk, struct htab, struct toklist,
155 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
156 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
157 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
158 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
159 (struct macro_args): Delete.
160 * cpphash.h: See above.
162 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
164 * cppmain.c (struct printer): Remove no_line_dirs.
166 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
167 : Use options rather than CPP_OPTION.
168 (setup_callbacks): Use cb rather than pfile->cb.
169 (main): No need to check for a buffer. Use cpp_errors.
170 (printer_init): Don't set no_line_dirs.
171 (maybe_print_line): Use options not no_line_dirs.
172 (cb_file_change): Don't call print_line if -P.
174 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
176 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
178 * c-parse.in (finish_parse): Use cpp_errors.
179 (__yylex): Use return value of cpp_pop_buffer.
180 * cp/lex.c (finish_parse): Use cpp_errors.
181 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
183 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
185 * README.AVR: URLs corrected.
187 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
189 * c-decl.c (start_function): Don't warn if old prototype is builtin
190 that's not in C's namespace.
191 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
192 (_bb): Add prototype for ctime.
193 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
195 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
197 * i386.c (ix86_fp_comparison_arithmetics_cost,
198 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
199 ix86_fp_comparison_cost): New functions.
200 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
201 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
202 two-branch sequences; make static.
203 (ix86_use_fcomi_compare): Do decision according to the costs.
204 (split_fp_branch): New.
205 * i386.md (compare-and-branch patterns): Use split_fp_branch.
206 * i386-protos.h (ix86_expand_fp_compare): Remove
207 (ix86_split_fp_branch): Declare.
209 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
210 and ix86_comparison_operator.
212 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
215 * i386.c (put_condition_code): Output properly the unordered/ordered
217 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
219 * tm.texi (REVERSE_CONDITION): Document.
220 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
222 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
224 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
226 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
228 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
231 * config/sh/sh.c (mova_p): Fix test for mova_const.
233 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
235 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
236 cpp_get_options rather than dereferencing pfile and using
238 * scan-decls.c (scan_decls): Use return value of
239 cpp_pop_buffer rather than CPP_BUFFER.
241 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
243 * cppinit.c (cpp_handle_option): help_only is now part of the
244 cpp_options structure.
245 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
246 cpp_set_callbacks): New functions.
247 * cpplib.h (cpp_callbacks): Break out as a named structure.
248 (cpp_options): Move help_only here from cpp_reader.
249 (CPP_FATAL_ERRORS): Update to use cpp_errors.
250 (cpp_errors, cpp_get_options, cpp_get_callbacks,
251 cpp_set_callbacks): New prototypes.
252 * cppmain.c (main): Update for help_only.
254 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
256 * Makefile.in (info, maintainer-clean, install-info, uninstall):
257 Also build and remove and install and uninstall c-tree.info and
259 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
260 ($(srcdir)/cppinternals.info): New target.
261 * c-tree.texi: Change file name used when makeinfo used without -o
262 from ir.info to c-tree.info. Add info directory entry.
263 * cppinternals.texi: Add info directory entry.
264 * .cvsignore: Update.
266 2001-01-12 Jakub Jelinek <jakub@redhat.com>
268 * c-typeck.c (store_init_value): Don't require constant initializer
269 elements with -pedantic -std=c99.
270 (digest_init): Change error about non-constant initializer elements
272 (constructor_range_end): Remove.
273 (constructor_incremental, designator_depth,
274 designator_errorneous): New variables.
275 (struct constructor_stack): Remove range_end, add incremental.
276 (struct constructor_range_stack, constructor_range_stack): New.
277 (struct initializer_stack): Add constructor_range_stack.
278 (finish_init): Set it.
279 (start_init): Likewise. require_constant_elements for non-static
280 trees only if not flag_isoc99.
281 (really_start_incremental_init): Remove constructor_range_end, add
282 constructor_incremental.
283 (pop_init_level): Likewise.
284 (push_init_level): Likewise. If implicit and the subobject had some
285 value set already, preinitialize the level with it.
286 Warn about missing braces only if not pushing due to designators.
287 (set_designator, push_range_stack): New functions.
288 (set_init_label): Use them.
289 (set_init_index): Likewise. Remove constructor_range_end.
290 Error if designator index is outside of array bounds.
291 (add_pending_init): Compare values of purpose index trees, not the
292 trees themselves. Allow overwriting of already initialized element.
293 Issue a warning if it had side-effects.
294 (set_nonincremental_init, set_nonincremental_init_from_string): New
296 (pending_init_member): Rename to...
297 (find_init_member): ...this function. Call set_nonincremental_init
298 if necessary. Compare values of purpose index trees, not the trees
299 themselves. Return the actual value, not just non-zero if something
301 (output_init_element): Remove checks for duplicates.
302 If field has zero size, only check the initializer for correctness.
303 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
304 if constructor_incremental is zero. Change error about initializers
305 not computable at load time into pedwarn.
306 (output_pending_init_elements): Compare bit positions, not
307 FIELD_DECLs to take into account zero-sized fields.
308 (process_init_element): Use constructor_range_stack to fill all
309 ranges in the designator lists from current level up.
310 * extend.texi: Update documentation for labeled elements.
312 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
314 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
315 to function usage for arguments passed by reference. Optimize
316 callee-copied arguments.
317 * regmove.c (replace_in_call_usage): New function.
318 (fixup_match_1): Call it.
319 * cse.c (cse_insn): Canonicalize registers in function usage.
320 * reload1.c (replace_pseudos_in_call_usage): New function.
323 * Makefile.in: Reverted yesterday's wrong patch. Installed the
326 2001-01-12 Jakub Jelinek <jakub@redhat.com>
328 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
331 2001-01-12 DJ Delorie <dj@redhat.com>
333 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
334 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
337 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
339 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
340 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
341 -std options alongside references to -ansi. Update some
342 documentation for C99.
345 2001-01-12 Andreas Jaeger <aj@suse.de>
347 * haifa-sched.c (restore_line_notes): Remove argument block B
349 * sched-ebb.c (schedule_ebb): Change caller.
350 * sched-rgn.c (schedule_region): Likewise.
351 * sched-int.h (restore_line_notes): Adjust prototype.
353 * loop.h: Remove wrong declaration of doloop_condition_get.
355 2001-01-12 Phil Edwards <pme@sources.redhat.com>
357 * extend.texi: Move C++-extension-related node from the C section
358 into the C++ section.
360 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
362 * extend.texi: Refer to an array of pointers to functions instead
365 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
366 Jan Hubicka <jh@suse.cz>
368 * combine.c (reversed_comparison): Fix typo in last patch.
370 (combine_reversed_comparison_code): Make static to follow
371 prototype declaration.
373 2001-01-12 Phil Edwards <pme@sources.redhat.com>
375 * install.texi: Remove misplaced duplicate entry.
377 2001-01-11 Ulrich Drepper <drepper@redhat.com>
379 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
381 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
383 * final.c: (leaf_function_p): Fix typo.
385 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
387 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
388 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
390 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
391 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
392 mmap_anon, and valloc is available.
393 * ggc-page.c: Restructure ifdef logic to match new autoconf
394 spec. Don't throw away the test page in init_ggc.
396 * configure, config.in: Regenerate.
398 2001-01-12 Michael Hayes <mhayes@redhat.com>
400 * loop.h (total_biv_increment): Constify iv_class pointer.
401 (struct induction): Replace `mem_mode' with `mem' rtx.
402 * unroll.c (total_biv_increment): Constify iv_class pointer.
403 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
404 (find_mem_givs, combine_givs_p): Likewise.
405 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
407 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
409 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
411 (__gthread_getspecific): Ditto.
413 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
415 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
416 put_condition_code): Convert fp comparison codes to integer
418 (ix86_expand_fp_compare): Postnote the fp comparison code converison
421 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
422 * i386-protos.h (no_comparison_operator): Kill.
424 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
426 * combine.c (REVERSIBLE_CC_MODE): Remove.
427 (reversible_comparison_p): Remove.
428 (combine_reversed_comparison_code): New.
429 (reversed_comparison): New.
430 (combine_simplify_rtx): Use
431 combine_reversed_comparison_code/reversed_comparison instead
432 of reversible_comparison_p.
433 (simplify_if_then_else): Likewise.
434 (simplify_set): Likewise.
435 (simplify_logical): Likewise.
436 (if_then_else_cond): Likewise.
437 (known_cond): Likewise.
438 (simplify_comparison): Likewise.
440 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
442 * builtins.c (std_expand_builtin_va_start): Handle varargs when
443 sizeof (int) is larger than sizeof(__word__).
445 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
447 * cppinit.c (do_includes): Fix typo.
449 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
451 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
452 in S_REGS does not occur because not all sources are possible
453 when a S_REGS is a destination (sometimes needs a clobber).
454 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
455 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
456 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
457 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
458 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
459 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
460 (lshrdi_const1, lshrsi3_const16): Likewise.
461 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
462 (*movhi_68hc12, *movqi_68hc12): Likewise.
463 (movstrictqi): Make sure reloading in D_REGS as a destination
466 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
468 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
470 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
472 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
473 -D, -U and -A, and don't initialize the builtins.
474 (do_includes): Error if -include or -imacros with -fpreprocessed.
475 * cppmain.c (cb_define, cb_undef): Unconditionally process
477 * tradcpp.c (main): Fix typo.
479 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
481 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
482 (read_name_map): Use IS_ABSOLUTE_PATH.
483 * tradcpp.c (get_filename): Likewise.
485 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
487 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
488 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
489 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
490 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
491 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
492 (cmphi_z_used): Don't use '@' for the output.
493 (tstqi_z_used): Likewise.
494 (cmpqi_z_used): Likewise.
495 (one_cmplsi2): Likewise.
497 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
499 * config/sh/sh.c (barrier_align): Recognize branch around far
500 branch and redundant insn.
502 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
504 * invoke.texi: Restore documentation of the drivers' switches -MD
507 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
509 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
511 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
512 check-objc//%): Support parallel testing of multilibs.
513 (TESTSUITEDIR): Set to testsuite by default, but override for
515 (check-gcc, check-g++, check-g77, check-objc): Enter
518 2001-01-11 Bernd Schmidt <bernds@redhat.com>
520 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
521 * sched-deps.c (deps_may_trap_p): Likewise.
522 * basic-block.h: Remove a comment.
523 * flow.c (PROP_POSTRELOAD): Remove.
524 (update_life_info): Don't add it to prop_flags.
525 (mark_set_1): Lose the code that was enabled by it.
527 2001-01-11 Michael Hayes <mhayes@redhat.com>
529 * flow.c (flow_call_edges_add): New.
530 * basic_block.h (flow_call_edges_add): New.
532 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
534 * reload1.c (move2add_note_store): Update reg_set_luid even if
535 base reg remains the same.
537 2001-01-10 Nick Clifton <nickc@redhat.com>
539 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
540 machine_function structure to zero.
541 Add prototypes for machine_status functions.
543 2001-01-10 Mark Mitchell <mark@codesourcery.com>
545 * c-common.h (CTI_VOID_LIST): Remove.
546 (void_list_node): Likewise.
547 * tree.h (TI_VOID_LIST_NODE): New enumeral.
548 (void_list_node): New macro.
549 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
550 * config/i386/i386.c (ix86_init_builtins): Likewise.
551 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
553 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
555 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
556 * cppinit.c (cpp_start_read): Update comment, remove unneeded
558 * tradcpp.c: Include mkdeps.h.
559 (deps, print_deps_phony_targets, deps_append, output_deps,
560 init_dependency_output, output_deps): New.
561 (deps_buffer, deps_allocated_size, deps_size, deps_column,
562 deps_output): Delete.
563 (print_deps_missing_files): Rename deps_missing_files.
564 (inhibit_output): Make global.
565 (main): Delete inhibit_output, deps_stream, deps_target.
566 Use mkdeps functionality in the same way as cpplib. Remove
567 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
568 -M and -MM. Remove old handling of deps via deps_out, and
569 old reading of environment variables.
570 (get_filename): Update to use deps_add_dep.
572 2001-01-10 Mark Mitchell <mark@codesourcery.com>
574 * output.h (make_function_rtl): Remove prototype.
575 (make_decl_rtl): Likewise.
576 * varasm.c (make_function_rtl): Remove.
577 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
578 than from a third parameter.
579 * tree.h (make_decl_rtl): Remove last parameter.
580 * c-decl.c (builtin_function): Remove last argument in call to
581 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
582 (start_function): Likewise.
583 * except.c (call_get_eh_context): Likewise.
584 * expr.c (emit_block_move): Likewise.
585 (clear_storage): Likewise.
586 * profile.c (output_func_start_profiler): Likewise.
587 * toplev.c (rest_of_decl_compilation): Likewise.
588 * objc/objc-act.c (create_builtin_decl): Likewise.
589 (synth_module_prologue): Likewise.
590 (generate_static_reference): Likewise.
591 (build_selector_reference_decl): Likewise.
592 (build_class_reference_decl): Likewise.
593 (build_objc_string_decl): Likewise.
594 (build_protocol_reference): Likewise.
596 2001-01-10 Richard Henderson <rth@redhat.com>
598 * hwint.h: Revert yesterday's change.
600 2001-01-10 Nick Clifton <nickc@redhat.com>
602 * function.h (save_machine_status): Delete.
603 (restore_machine_status): Delete.
604 Amend comment describing {init|mark|free}_machine_status.
606 * function.c (save_machine_status): Delete.
607 (restore_machine_status): Delete.
608 Amend comment describing {init|mark|free}_machine_status.
609 (push_function_context_to): Remove invocation of
611 (pop_function_context_from): Remove invocation of
612 restore_machine_status.
614 * emit-rtl.c (init_emit_once): Amend comment describing
615 {init|mark|free}_machine_status.
617 * tm.texi (Per-Function Data): New node. Describe the
618 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
621 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
623 * cppinit.c (OPT_g): Remove.
624 (cpp_handle_option): Update for removed -g3.
625 (print_help): Update.
626 * cpplib.h (struct cpp_options): Remove debug_output.
627 * cppmain.c (setup_callbacks, cb_define): Update.
628 * gcc.c (cpp_options): Translate -g3 to -dD.
630 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
632 * config/i960/i960.md: Change modifier to + on the zero_extract
633 pattern after the (rotate -2 reg) canonicalization pattern.
635 2001-01-10 Richard Henderson <rth@redhat.com>
637 * config/alpha/alpha.c (alpha_free_machine_status): New.
638 (override_options): Install it.
639 (alpha_mark_machine_status): Verify machine non-null.
640 * config/i386/i386.c (ix86_free_machine_status): New.
641 (override_options): Install it.
642 (ix86_init_machine_status): Use xcalloc.
643 (ix86_mark_machine_status): Verify machine non-null.
644 * config/ia64/ia64.c (ia64_free_machine_status): New.
645 (ia64_override_options): Install it.
646 (ia64_mark_machine_status): Verify machine non-null.
648 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
650 * function.c (instantiate_virtual_regs): Instantiate virtual
651 registers found in CALL_INSN_FUNCTION_USAGE.
653 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
655 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
656 equivalent to -ansi in disabling -Di386.
658 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
660 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
662 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
664 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
666 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
668 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
670 * invoke.texi: Document that -fcond-mismatch isn't supported for
673 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
675 * gcc.texi: Define macro gcctabopt.
676 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
677 @command, @env and @option in some places where appropriate. Use
678 @gcctabopt where appropriate. Put URLs and email addresses inside
681 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
683 * gcc.c (cpp_options): Set MD file name from output
684 filename, if specified.
685 (suffix_subst): New static variable.
687 (do_spec_1, case '.'): Handle new `%.suffix' spec.
689 (give_switch): Handle suffix_subst.
691 2001-01-10 Phil Edwards <pme@sources.redhat.com>
693 * invoke.texi: Fix another typo.
695 2001-01-10 Phil Edwards <pme@sources.redhat.com>
697 * invoke.texi: Fix typo.
699 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
701 * c-lang.c (lang_hooks): Update.
702 (lang_decode_option): Remove.
703 (lang_init_options): Rename c_init_options.
704 * toplev.c (main): Use lang_hooks for lang_init_options
705 and lang_decode_option.
706 * toplev.h (lang_hooks): Add 2 new hooks.
707 * tree.h: Remove lang_init_options and lang_decode_option.
708 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
709 * cp/decl2.c: Similarly.
710 * cp/lex.c (lang_init_options): Rename cxx_init_options.
711 (lang_hooks): Update.
712 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
714 (lang_init_options): Rename ffe_init_options.
715 (lang_hooks): Update.
716 (lang_decode_option): Remove.
717 * java/lang.c (lang_init_options): Rename java_init_options.
718 (lang_decode_option): Rename java_decode_option.
719 (lang_hooks): Update.
720 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
721 (lang_decode_option): Rename objc_decode_option.
722 (lang_hooks): Update.
724 2001-01-09 Nick Clifton <nickc@redhat.com>
726 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
727 (d30v_return_addr_rtx): Delete.
728 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
729 cfun->machine structure.
730 (struct machine_function): Move to d30v.h
731 (d30v_save_machine_status): Delete.
732 (d30v_restore_machine_status): Delete.
733 (d30v_init_machine_status): New Function.
734 (d30v_mark_machine_status): New Function.
735 (d30v_free_machine_status): New Function.
736 (d30v_init_expanders): Use new functions.
737 (d30v_return_addr): Use ra_rtx field in cfun->machine.
738 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
739 d30v_return_addr_rtx.
741 * config/d30v/d30v.h (struct_machine): Move here.
742 Add eh_epilogue_sp_ofs field.
744 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
745 field in cfun->machine structure.
747 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
749 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
750 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
751 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
753 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
755 * objc/lang-options.h: Remove bogus reference to
758 2001-01-09 Kazu Hirata <kazu@hxi.com>
760 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
763 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
765 * reload.c (find_reloads_address): Check for eliminable registers
766 when substituting a constant expression for a pseudo.
768 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
770 * c-common.c (enum format_type): Add format_type_error.
771 (decode_format_type): New function.
772 (decl_attributes): Use it.
773 (format_kind_info): Adjust comment.
775 2001-01-09 David O'Brien <obrien@BSDi.com>
777 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
778 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
780 * config/i386/gnu.h: Don't include required platform specific .h files,
781 tm.h will do it instead.
782 * config/i386/i386elf.h: Likewise.
783 * config/i386/linux.h: Likewise.
784 * config/i386/moss.h: Likewise.
785 * config/mips/gnu.h: Likewise.
787 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
789 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
790 (rs6000-ibm-aix3.[01]*): Likewise.
791 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
792 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
793 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
794 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
795 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
796 (powerpc-*-eabiaix*): Likewise.
797 (powerpc-*-eabisim*): Likewise.
798 (powerpc-*-elf*): Likewise.
799 (powerpc-*-eabi*): Likewise.
800 (powerpc-*-rtems*): Likewise.
801 (powerpc-*-linux*libc1): Likewise.
802 (powerpc-*-linux*): Likewise.
803 (powerpc-wrs-vxworks*): Likewise.
804 (powerpcle-wrs-vxworks*): Likewise.
805 (powerpcle-*-sysv*): Likewise.
806 (powerpcle-*-elf*): Likewise.
807 (powerpcle-*-eabisim*): Likewise.
808 (powerpcle-*-eabi*): Likewise.
809 (powerpcle-*-solaris2*): Likewise.
810 * config/rs6000/aix31.h: Delete includes.
811 * config/rs6000/aix3newas.h: Likewise.
812 * config/rs6000/aix41.h: Likewise.
813 * config/rs6000/aix43.h: Likewise.
814 * config/rs6000/beos.h: Likewise.
815 * config/rs6000/rtems.h: Likewise.
816 * config/rs6000/sysv4.h: Likewise.
818 2001-01-09 Kazu Hirata <kazu@hxi.com>
820 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
821 Change an argument mode of machine_mode to shift_mode of
822 shift_mode. Remove an extra error check.
823 (emit_a_shift): Adopt to the new calling prototype of
825 (function_prologue): Fix code for a monitor
826 function. Support H8/S.
827 (function_epilogue): Do not output pop for a monitor function.
829 2001-01-09 Nick Clifton <nickc@redhat.com>
831 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
832 (setup_incoming_varargs): Use sysv_varargs_p field of the
833 cfun->machine structure.
834 (struct machine_function): Move to rs6000.h
835 (rs6000_save_machine_status): Delete.
836 (rs6000_restore_machine_status): Delete.
837 (rs6000_init_machine_status): New Function.
838 (rs6000_free_machine_status): New Function.
839 (rs6000_init_expanders): Use new functions.
841 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
843 (struct machine_function): Move here.
845 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
846 sysv_varargs_p field of the cfun->machine structure.
848 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
850 (rs6000_restore_machine_status): Remove prototype.
852 2001-01-09 Richard Henderson <rth@redhat.com>
854 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
855 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
856 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
857 (sched_analyze_2, sched_analyze_insn): Likewise.
858 (sched_analyze, init_deps): Likewise.
859 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
860 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
861 (compute_block_backward_dependences): Update propagate_deps call.
863 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
865 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
867 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
869 * cppinit.c (OPT_MD, OPT_MMD): Restore.
870 (cpp_handle_option): Handle them.
871 (cpp_post_options): Ensure one of -M or -MM is specified with
872 any other -M? option.
873 (init_dependency_output): Suppress output with -MG.
875 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
878 * invoke.texi: Update.
880 2001-01-09 Bernd Schmidt <bernds@redhat.com>
882 * sh.md (reload_outsf): Generate recognizable patterns for
885 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
887 * c-lang.c (lang_hooks): Update.
888 (lang_init): Rename c_init.
889 (lang_finish): Remove.
890 * toplev.c (compile_file): Use lang_hooks for lang_init ()
892 * toplev.h (lang_hooks): Add init () and finish ().
893 * tree.h (lang_init, lang_finish): Remove.
894 * cp/tree.h (lang_init, lang_finish): Remove.
895 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
896 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
898 (lang_init, lang_finish): Remove.
899 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
900 (lang_hooks): Update.
901 * java/lang.c (lang_init): Rename java_init.
902 (lang_finish): Remove.
903 (lang_hooks): Update.
904 * objc/objc-act.c (lang_init): Rename objc_init.
905 (lang_finish): Remove.
906 (lang_hoooks): Update.
908 20001-01-09 Graham Stott <grahams@redhat.com>
910 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
911 after `ptr` is initialised.
913 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
915 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
916 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
917 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
918 stack adjusts, instead of r3.
920 2001-01-09 Michael Hayes <mhayes@redhat.com>
922 * flow.c (flow_loop_scan): Break out of ...
923 (flow_loops_find) ... here.
924 * basic-block.h (flow_loop_scan): New.
925 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
926 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
928 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
930 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
932 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
933 realloc()ing macro_buffer.
935 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
936 if it's wider than long and the target's long is wider than the
939 2001-01-09 Mark Mitchell <mark@codesourcery.com>
941 Remove support for using UWIN as a host machine.
942 * configure.in: Issue an error message.
943 * configure: Regenerated.
944 * config.gcc: Remove xm_* UWIN configury.
945 * config/i386/xm-uwin.h: Remove.
947 2001-01-08 Nick Clifton <nickc@redhat.com>
949 * config/v850/v850.c (ra_rtx): Delete.
950 (v850_save_machine_status): Delete.
951 (v850_restore_machine_status): Delete.
952 (v850_init_machine_status): New function.
953 (v850_mark_machine_status): New function.
954 (v850_free_machine_status): New function.
955 (v850_return_addr): Use ra_rtx field in machine structure.
956 (v850_init_expanders): Use new functions.
958 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
959 * config/v850/v850.c: Change arguments to v850_output+* functions
960 to take a const char *, to avoid compile time warning.
961 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
962 (USER_LABEL_PREFIX): Redefine.
964 2000-01-08 Jim Wilson <wilson@redhat.com>
966 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
967 1 to unsigned HOST_WIDE_INT before left shift.
969 2001-01-08 Nick Clifton <nickc@redhat.com>
971 * config/arm/arm.c (arm_mark_machine_status): Check to see if
972 the machine structure has been allocated.
973 (arm_free_machine_status): New function: Free the machine
974 specific function structure.
976 2001-01-08 Richard Henderson <rth@redhat.com>
978 * jump.c (simplejump_p): Revert last change.
980 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
982 * cppinit.c (init): Rename init_library.
983 (cpp_create_reader): Update.
984 * gcc.c (cpp_options): If -o given, use it as the target of
987 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
989 * arm.c (arm_arch5e): New variable.
990 (all_cores): XScale is a 5TE device.
991 (arm_override_options): Set arm_arch5e.
992 (arm_init_builtins): __builtin_prefetch is in arch5e.
993 * arm.h (arm_arch5e): Declare it.
995 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
997 * arm.md (define_constants): Add defines for UNSPEC and
998 UNSPEC_VOLATILE insns. Update all users.
999 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1000 * arm.c (multi_register_push, note_invalid_constants)
1001 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1002 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1003 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1005 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1007 * jump.c (jump_optimize_1): Use reversed_comparison_code
1008 instead of can_reverse_comparison_p.
1009 (jump_back_p): Likewise.
1010 (invert_exp_1): Likewise.
1011 (thread_jumps): Likewise.
1012 * simplify-rtx.c (simplify_unary_operation): Likewise.
1013 (simplify_ternary_operation): Likewise.
1014 * cse.c (find_comparison_args): Convert to use
1015 can_reverse_comparison_p.
1016 (record_jump_equiv): Likewise.
1018 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1020 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1021 (EPILOGUE_USES): Define.
1022 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1023 automatically stack the LR if it isn't live.
1025 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1027 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1030 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1032 * ggc-page.c (max_alignment): New structure.
1033 (MAX_ALIGNMENT): New macro.
1034 (init_ggc): Use it to round up the sizes in the
1035 extra_order_size_table.
1037 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1039 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1042 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1044 * builtins.def (BUILT_IN_FPRINTF): New entry.
1046 * c-common.c (c_expand_builtin_fprintf): New function.
1047 (init_function_format_info): Handle __builtin_fprintf.
1048 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1049 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1051 * c-decl.c (duplicate_decls): Adjust comment.
1053 * extend.texi (fprintf): Document new builtin.
1055 2001-01-07 Richard Henderson <rth@redhat.com>
1057 * jump.c (simplejump_p): Recognize any single_set jump
1060 2001-01-07 Richard Henderson <rth@redhat.com>
1062 * configure.in (slibdir): Accept an --with-slibdir option.
1063 Use "test" not "[" in configure. Default to $(libdir).
1065 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1067 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1068 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1069 (SHLIB_LINK): Create links for the soname.
1070 * config/mips/t-iris6: Likewise.
1071 * config/sparc/t-slibgcc: Likewise.
1072 * config/sparc/t-slibgcc-sld: Likewise.
1074 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1076 * config/i386/i386.c (constant_call_address_operand): Accept
1077 (const (plus (symbol_ref) (const_int))).
1078 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1079 constant_call_address_operand.
1081 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1083 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1084 and LONG_LONG_TYPE_SIZE > 32.
1086 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1088 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1089 the previous change.
1091 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1093 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1095 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1096 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1097 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1100 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1102 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1104 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1106 * c-lang.c (c_post_options): Call cpp_post_options.
1107 * objc/objc-act.c (objc_post_options): Similarly.
1108 * cppmain.c (main): Similarly.
1109 * fix-header.c (read_scan_file): Similarly.
1110 * cppinit.c (cpp_start_read): Move option consistency checks
1111 to cpp_post_options. Don't call init_dependency_output.
1112 If needed, add default target and main file dependency.
1113 (OPT_MD, OPT_MMD): Remove.
1115 (cpp_handle_option): Update for OPT_* changes.
1116 (cpp_post_options): New.
1117 (init_dependency_output): Command line -MF overrides environment
1118 variables. Don't set default target etc. Suppress output
1119 if dependencies are going to stdout.
1120 (print_help): Update.
1121 * cpplib.h (cpp_post_options): New.
1122 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1124 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1126 * jump.c (comparison_dominates_p): Support unordered compares.
1128 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1130 * simplify-rtx.c (simplify_relational_operation): Always simplify
1131 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1134 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1136 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1137 (nonzero_bits): Likewise.
1138 (simplify_comparison): Likewise.
1139 (num_sign_bit_copies): Likewise; return more sane value depending
1140 on STORE_FLAG_VALUE.
1141 (known_cond): Do not assume EQ to be always true for equivalent
1144 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1146 * cse.c (fold_rtx): Handle unordered comparisons.
1148 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1150 * rtlanal.c (set_of_1): New static function.
1151 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1152 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1153 reg_set_last_last_regno): Remove.
1154 (set_of): New global function.
1155 (set_of_data): New structure.
1156 (reg_set_p, reg_set_last): Revamp for set_of.
1157 * rtl.h (set_of): New.
1159 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1161 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1162 * extend.texi: Document _Exit builtin.
1164 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1166 * (initialize, initialize_builtins,
1167 initialize_dependency_output, initialize_standard_includes):
1168 Rename s/initialize/init. Update.
1169 (init_dependency_output): Move to after
1170 cpp_handle_options, the correct location temporally at least.
1171 (opt_comp): Move next to init (), its caller. Fix prototype.
1172 (init): Make "initialized" local scope.
1173 (cpp_create_reader): Always call init ().
1174 (cpp_start_read): Update.
1175 (output_deps): New function, broken out of cpp_finish.
1176 (cpp_finish): Break out output_deps.
1178 2001-01-07 Richard Henderson <rth@redhat.com>
1180 * collect2.c (COFF specific stuff): Revert 12-06 patch
1181 to prototype system functions.
1183 2001-01-07 Michael Hayes <mhayes@redhat.com>
1185 * hard-reg-set.h: Add multiple include guard.
1186 * basic-block.h (struct loop): Add `sink' field.
1187 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1188 (emit_iv_add_mult): Delete.
1189 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1190 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1191 (unroll_loop): Remove end_insert_before argument.
1192 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1193 (maybe_eliminate_biv_1): Likewise.
1194 (emit_iv_add_mult): Delete.
1195 (gen_add_mult, loop_regs_update): New.
1196 (loop_insn_emit_after, loop_insn_emit_before): New.
1197 (loop_insn_sink, loop_insn_sink_or_swim): New.
1198 (emit_iv_add_mult): Delete.
1199 (scan_loop): Set loop->sink.
1200 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1201 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1202 (maybe_eliminate_biv_1): Likewise.
1203 (maybe_eliminate_biv_1): Add basic block argument.
1204 * unroll.c (unroll_loop): Remove end_insert_before argument.
1205 (find_splittable_regs): Likewise.
1206 (find_splittable_regs): Use loop_insn_sink and its ilk.
1207 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1209 2001-01-07 Michael Hayes <mhayes@redhat.com>
1211 * loop.h (loop_insn_hoist): New prototype.
1212 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1213 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1214 (check_dbra_loop, load_mems): Likewise.
1215 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1216 (find_splittable_givs): Likewise.
1218 2001-01-07 Michael Hayes <mhayes@redhat.com>
1220 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1222 2001-01-07 Richard Henderson <rth@redhat.com>
1224 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1226 2001-01-07 Richard Henderson <rth@redhat.com>
1228 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1229 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1230 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1231 variant that handles a shared libgcc.
1232 (process_command): Always validate -{static,shared}-libgcc.
1233 (do_spec_1): New 'M' case.
1234 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1236 2001-01-07 Richard Henderson <rth@redhat.com>
1238 * Makefile.in (slibdir): New variable.
1239 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1240 (installdirs): Create slibdir.
1241 (install-libgcc, install-multilib): Defer to libgcc.mk.
1242 * configure.in (slibdir): Substitute.
1243 * mklibgcc.in (install): New target.
1245 * config/t-linux (SHLIB_LINK): Create links for the soname.
1246 (SHLIB_INSTALL): New.
1247 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1248 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1249 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1250 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1251 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1253 2001-01-07 Richard Henderson <rth@redhat.com>
1255 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1256 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1257 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1259 2001-01-07 Michael Hayes <mhayes@redhat.com>
1261 * loop.c (count_loop_regs_set): Delete.
1262 (load_mems_and_recount_loop_regs_set): Delete.
1263 (loop_regs_scan): Merge common code from count_loop_regs_set,
1264 scan_loop, and load_mems_and_recount_loop_regs_set.
1265 (scan_loop): Call load_mems directly and loop_regs_scan
1266 again if new registers created.
1268 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1270 * toplev.c (main): Call the front-end specific post_options
1271 hook if one is given.
1272 * toplev.h (struct_lang_hooks, lang_hooks): New.
1273 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1274 for the C front end.
1275 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1276 lang_hooks for the C++ front end.
1277 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1278 lang_hooks for the ObjC front end.
1279 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1280 * java/lang.c (lang_hooks): Hooks for the Java front end.
1282 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1284 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1285 for verbose DWARF[2] debugging.
1286 (cb_define, cb_undef): The new callbacks.
1287 * toplev.h (debug_define, debug_undef): Make const correct.
1288 * toplev.c (debug_define, debug_undef): Similarly. Do not
1289 perform the verbosity tests here anymore.
1291 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1293 * reload.c (subst_reloads): Take INSN argument. When
1294 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1295 * reload.h (subst_reloads): Adjust prototype.
1296 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1297 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1298 present in JUMP_INSNs and copy them to JUMP_LABEL.
1299 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1300 JUMP_INSNs and insns with REG_LABELs that are followed by
1301 JUMP_INSNs with the same REG_LABEL.
1302 * sched-rgn.c (is_cfg_nonregular): Likewise.
1303 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1305 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1307 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1309 2001-01-06 Richard Henderson <rth@redhat.com>
1311 * loop.c (scan_loop): Use xcalloc for the regs array.
1312 (load_mems_and_recount_loop_regs_set): Zero the new memory
1313 received from xrealloc.
1315 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1317 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1319 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1321 * integrate.c (copy_rtx_and_substitute): When copying
1322 an ignored return value, strip REG_FUNCTION_VALUE_P.
1324 2001-01-06 Michael Hayes <mhayes@redhat.com>
1326 * loop.c (debug_biv, debug_giv): New.
1327 (loop_biv_dump): Break out from ...
1328 (record_biv): ... here.
1329 (loop_giv_dump): Break out from ...
1330 (record_giv): ... here.
1331 (loop_bivs_check): Use print_simple_rtl.
1332 * unroll.c (loop_iterations): Use print_simple_rtl.
1334 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1336 * pa.md (return, return_internal): Modify patterns to prevent regrename
1337 mucking with the return pointer.
1339 2001-01-05 Richard Henderson <rth@redhat.com>
1341 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1343 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1345 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1346 version supplied by Matteo Frigo.
1348 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1350 * cpp.texi: Update for -MQ.
1351 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1352 (cpp_cleanup): Always free pfile->deps.
1353 (initialize_dependency_output): Don't create pfile->deps.
1354 (cpp_handle_option): Similarly.
1356 * gcc.c (cpp_options): Handle -MQ.
1357 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1358 * mkdeps.c (base_name): Remove.
1359 (deps_init): Don't allocate vector space until it's needed.
1360 (deps_free): Only free vectors if allocated.
1361 (deps_add_target, deps_add_dep): Update for initial allocation.
1362 (deps_add_default_target): Don't strip to the base_name.
1364 2001-01-05 DJ Delorie <dj@redhat.com>
1366 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1367 (INIT_EXPANDERS): Define.
1369 * config/v850/v850.c (struct machine_function): Define.
1370 (v850_save_machine_status): New function.
1371 (v850_restore_machine_status): New function.
1372 (v850_return_addr): New function.
1373 (v850_init_expanders): New function.
1375 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1376 and v850_init_expanders.
1378 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1380 * cpplib.h (struct cpp_reader): Add help_only field.
1381 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1382 (cpp_handle_option): Set pfile->help_only if we see -h,
1383 --help, -target-help, or --version. Print version string but
1384 do not set help_only if we see -v or -version. Make text
1385 printed by -v match that printed by (-)-version.
1387 * cppmain.c (main): Exit after option parsing if
1388 pfile->help_only is true.
1390 * toplev.c (independent_decode_option): Call print_version,
1391 then exit, if we see --version (but not -version).
1392 (print_version): Split lengthy message into two lines.
1394 2001-01-05 Nick Clifton <nickc@redhat.com>
1396 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1397 temporary string for initialisation before calling ggc_alloc_string.
1399 2001-01-06 Michael Hayes <mhayes@redhat.com>
1401 * rtl.h (print_simple_rtl): New.
1402 * print-rtl.c (print_simple_rtl): New.
1404 (print_rtx): Disable printing of flags and modes, etc.,
1405 if `flag_simple` nonzero.
1407 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1409 * function.c (fixup_var_refs): Use push_to_full_sequence where
1412 2001-01-05 Michael Meissner <meissner@redhat.com>
1414 * flags.h (flag_reorder_blocks): Add declaration.
1415 (flag_rename_block): Ditto.
1417 2001-01-05 DJ Delorie <dj@redhat.com>
1419 * function.c (reorder_blocks): Make sure the flags are all reset
1420 before using them to mark blocks, else a second invocation will
1421 corrupt the block chain.
1422 (reorder_blocks_0): New, resets the flags.
1424 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1426 * cse.c (find_comparison_args): Stop if the argument is known to
1429 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1431 * config/sh/sh.md (movdf): When splitting load into pair of
1432 registers, don't clobber the register used in the address too
1435 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1437 * varasm.c (mark_constant_pool): Improve initial comments.
1438 (mark_constants): Move marking of constants to mark_constant.
1439 (mark_constant): New function to recursively mark all constants
1440 referred to by a constant.
1442 2001-01-05 Catherine Moore <clm@redhat.com>
1444 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1446 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1448 * cp/lang-options.h: Bring comment in line with reality.
1449 * f/lang-options.h: Likewise.
1450 * java/lang-options.h: Likewise.
1451 * objc/lang-options.h: Likewise.
1452 * ch/lang-options.h: Likewise.
1453 * f/g77.texi: And update the manual.
1455 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1456 Denis Chertykov <denisc@overta.ru>
1458 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1459 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1460 * config/avr/avr.md (all peepholes that request a scratch register):
1461 Call it, FAIL the peephole if not safe (in interrupt functions).
1463 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1465 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1467 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1469 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1471 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1472 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1473 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1474 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1475 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1477 * extend.texi: Document these builtins.
1479 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1481 * c-common.c (lang_get_alias_set): Say we know nothing of
1482 VECTOR_TYPE aliasing.
1484 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1486 2001-01-05 Bruce Korb <bkorb@gnu.org>
1488 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1489 their x* equivalent versions for atexit-less systems
1490 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1491 systems (or any other system any more).
1493 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1495 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1496 output operands. Use arm_hard_register_operand for operand 4.
1497 (stmsi_postinc): Similarly.
1498 (ldmsi): Use arm_hard_register_operand for opernand 2.
1500 * arm.c (arm_hard_register_operand): New function.
1501 * arm-protos.h (arm_hard_register_operand): Prototype it.
1503 * arm.h (HARD_REGNO_RENAME_OK): Define.
1505 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1507 * simplify-rtx.c (cfc_args): add "unordered" field.
1508 (check_fold_consts): Set unordered field.
1509 (simplify_relational_operation): Simplify the unordered
1512 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1515 * emit-rtl.c (try_split): Fix code to mark labels.
1516 * jump.c (mark_jump_label): Make global.
1517 * rtl.h (mark_jump_label): Declare.
1519 * predict.c (estimate_probability): Handle unordred comparisons.
1521 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1523 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1524 * cppinit.c (initialize_dependency_output): Update.
1525 (cpp_finish): Output dummy targets for -MP.
1527 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1528 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1529 * gcc.c (cpp_options): Update to handle -MP.
1530 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1531 to quote only the default target.
1532 (deps_phony_targets): Insert a preceding newline. Rename from
1533 deps_dummy_targets for consistency.
1536 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1538 * calls.c (emit_library_call_value_1): Support
1539 INIT_CUMULATIVE_LIBCALL_ARGS.
1540 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1542 2001-01-04 Richard Henderson <rth@redhat.com>
1544 * c-decl.c (finish_struct): Detect flexible array members
1545 used in an inappropriate context.
1546 * c-typeck.c (really_start_incremental_init): Special case
1547 constructor_max_index for zero length arrays.
1548 (pop_init_level): Allow initialization of flexible array
1549 members. Deprecate initialization of zero length arrays.
1550 Don't issue missing initializer warning for flexible array
1551 members or zero length arrays.
1552 (process_init_element): Don't dereference null DECL_SIZE.
1553 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1554 Don't abort for empty constructors. Use size_binop
1555 (output_constructor): Add commentary regarding zero length
1556 array futures. Abort if we try to initialize an array of
1557 unspecified length with a non-empty constructor in the middle
1560 * extend.texi (Zero Length): Update and clarify documentation
1561 on static initialization.
1563 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1565 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1566 with more than 32767 words of local storage.
1568 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1570 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1571 for 'abs', 'labs', and 'fabs'.
1572 (c4x_expand_builtin): Likewise.
1573 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1575 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1577 * config/sh/sh.md (prget, prset): New insn types.
1578 (return delay slot): Dont' allow prset.
1579 (call, sfunc delay slot): Don't allow prget.
1580 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1581 for prset and prget.
1583 2001-01-05 Michael Hayes <mhayes@redhat.com>
1585 * loop.h (struct loop_reg): New.
1586 (struct loop_regs): Change to use array of `struct loop_reg'.
1587 * loop.c: Replace assortment of varrays with single regs array.
1588 (count_one_set): Delete may_not_move array argument
1589 and use regs array instead. All caller's changed.
1590 (count_loop_regs_set): Delete may_not_move and single_usage
1591 arguments and use regs array instead. All caller's changed.
1592 (find_single_use_in_loop): Replace usage array argument with pointer
1593 to regs structure. All caller's changed.
1594 (loop_optimize): Delete `moved_once' array.
1596 2001-01-05 Michael Hayes <mhayes@redhat.com>
1598 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1599 Use it instead of loop_info->has_call for scanning loop mems.
1600 (check_dbra_loop): Replace loop_info->has_call test with
1601 loop_info->has_nonconst_call.
1603 2000-01-04 Matthew Hiller <hiller@redhat.com>
1605 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1608 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1610 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1611 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1613 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1615 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1616 (flag_short_double, flag_short_wchar): Define.
1617 (c_common_nodes_and_builtins): Create many tree nodes shared
1618 between C and C++ here instead of in cp/decl.c and ...
1619 * c-decl.c (init_decl_processing): ... here.
1620 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1621 (flag_short_double, flag_short_wchar): Don't define.
1622 (record_builtin_type): New function.
1623 (build_void_list_node): New function.
1624 * c-common.h (flag_short_double, flag_short_wchar,
1625 record_builtin_type, build_void_list_node): Declare.
1627 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1629 * integrate.c (expand_inline_function): Don't put a virtual
1630 register into the reg map.
1632 * function.c (fixup_var_refs_1): If force_operand didn't put
1633 the address into the target, move it there.
1635 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1637 Special-case tree_decl/tree_list allocations.
1638 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1639 (OBJECT_SIZE): New macro.
1640 (NUM_EXTRA_ORDER): Likewise.
1641 (extra_order_size_table): New variable.
1642 (NUM_ORDERS): New macro.
1643 (objects_per_page_table): New variable.
1644 (object_size_table): New variable.
1645 (G.pages): Use NUM_ORDERS to bound the array.
1646 (G.page_tails): Likewise.
1647 (DIV_ROUND_UP): Remove.
1648 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1649 (alloc_page): Use OBJECT_SIZE.
1650 (size_lookup): Don't make it const.
1651 (ggc_alloc): Use OBJECT_SIZE.
1652 (ggc_set_mark): Likewise.
1653 (ggc_get_size): Likewise.
1654 (init_ggc): Set up the object_size_table, objects_per_page_table,
1655 and adjust size_lookup.
1656 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1657 (ggc_pop_context): Use NUM_ORDERS.
1658 (clear_marks): Likewise.
1659 (sweep_pages): Likewise.
1660 (poison_pages): Likewise.
1661 (ggc_print_statistics): Use OBJECT_SIZE.
1663 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1665 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1666 Only call array_size_for_constructor if last field and array type
1667 with no upper bound.
1669 2001-01-04 Philip Blundell <philb@gnu.org>
1671 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1672 from bit 31 downwards, if this requires no more insns.
1673 (count_insns_for_constant): New helper function for above.
1675 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1677 * gencodes.c (output_predicate_decls): Remove empty initializer.
1679 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1681 * tree.c (copy_node): Remove documentation about obstacks.
1682 (buidl1): Check that nobody tries to build 2-argument nodes this
1685 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1687 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1690 * gencodes.c (output_predicate_decls): Fill empty initializer
1693 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1695 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1696 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1698 (do_include): Handle missing headers like cpp0.
1699 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1700 paths with first include pathname. Don't strcat to uninitialized
1703 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1705 * regrename.c (regrename_optimize): Don't rename from frame pointer
1706 if frame_pointer_needed.
1707 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1708 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1709 (ia64_reorg): Use it instead of scheduling if ! optimize.
1710 (errata_emit_nops): Properly call asm_noperands.
1711 (ia64_sched_reorder): Finish cycle if we see an asm.
1712 (ia64_variable_issue): Clear scheduling state after asms.
1714 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1716 * cpp.texi: Update for -MT.
1717 * cppinit.c (initialize_dependency_output): Add a default
1718 target if none has been given already.
1719 (no_tgt, OPT_MT): New.
1720 (cpp_handle_option): Handle -MT. Update -M etc.
1721 * cpplib.h (struct cpp_options): Remove deps_target.
1722 * gcc.c (cpp_options): Handle -MT.
1723 * mkdeps.c (struct deps): Move from mkdeps.h.
1724 (deps_calc_target): Rename deps_add_default_target. Add a
1725 default target if none has been specified already.
1726 * mkdeps.h (struct deps): Move to mkdeps.c.
1727 (deps_calc_target): Rename deps_add_default_target.
1729 2000-01-03 Richard Henderson <rth@redhat.com>
1731 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1733 * c-typeck.c (push_init_level): Move checks for flexible array
1734 members and zero length arrays ...
1735 (pop_init_level): ... here. Silently discard empty initializations.
1737 * varasm.c (output_constructor): Update for sizeof change to
1740 * extend.texi (Zero Length): Clarify semantics.
1742 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1744 * configure.in (tm.h): Include isns-codes.h last.
1745 * configure: Rebuilt.
1747 2001-01-03 Richard Henderson <rth@redhat.com>
1749 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1750 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1752 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1754 * tradcpp.c (main): Make sure finclude() is called with a valid
1755 indepth value while handling -include.
1757 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1759 * gencodes.c (output_predicate_decls): New function.
1761 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1762 even if it is not the first time machmode.h is #included.
1763 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1764 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1765 * gcc.texi (Copyright): Added 2001.
1767 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1769 * c-common.c (c_common_lang_init): New function. Warn if format
1770 warning options which only have effects when used with -Wformat
1771 are used without -Wformat.
1772 * c-common.h (c_common_lang_init): Declare.
1773 * c-lang.c (lang_init): Call c_common_lang_init.
1774 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1776 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1778 * configure.in: Check for the mktemp command.
1779 * configure: Regenerate.
1780 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1781 $TEMP. Create temporary files with mktemp, if available at
1782 configure time; otherwise use set -C. Remove temporary files
1785 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1787 * configure.in: Require at least texinfo 4.0. Check for whether
1788 Pod::Man is sufficiently recent to regenerate GCC manpages.
1789 * configure: Regenerate.
1790 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1792 (GENERATED_MANPAGES): Define.
1793 (generated-manpages): New target. Depend on cpp.1 as well as
1795 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1796 configure to generated-manpages or empty) rather than on the
1797 manpages directly. Remove execute permission from installed
1798 gcov.1 as well as cpp.1.
1799 * cpp.1, gcov.1: Regenerate.
1801 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1803 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1804 tree_low_cst. Allow using cmpstrsi in more cases.
1806 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1808 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1811 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1813 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1814 * Makefile.in (HOST_CFLAGS): Mention build-make.
1816 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1818 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1821 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1823 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1826 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1829 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1830 reg_base_value and reg_known_value arrays.
1831 (init_alias_analysis): Add more cases to detect known values.
1832 * sched-deps.c (deps_may_trap_p): New function.
1833 (sched_analyze_2): Use it.
1835 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1837 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1838 don't discard an ASHIFTRT if we're shifting in a wider mode.
1840 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1842 * toplev.c (rest_of_compilation): Don't print basic block information
1843 when CFG isn't up to date.
1845 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1847 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1848 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1849 (UNALIGNED_SHORT_ASM_OP): Define.
1850 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1852 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1854 * fold-const.c (fold_convert): Fix typo.
1856 2001-01-02 Richard Henderson <rth@redhat.com>
1858 * c-common.h (ASM_INPUT_P): New.
1859 * c-parse.in (asm): Set it when needed.
1860 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1861 existance of an operand.
1863 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1865 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1866 (dwarf2out_frame_debug_expr): Likewise.
1867 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1869 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1871 * i386.c (ix86_split_to_parts): Return number of part required;
1873 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1875 (ix86_split_long_move): Use number of part returned
1876 by ix86_split_to_parts
1877 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1879 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1880 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1881 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1882 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1883 (ALIGN_MODE_128): Add TFmode.
1884 (IS_STACK_MODE): Likewise.
1885 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1886 (HARD_REGNO_OK): Support TFmodes.
1887 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1888 * i386.md (scheduler definitions): Use memory operand to determine
1889 fst/fld instructions; use mode attribute to determine real mode of
1891 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1892 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1894 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1896 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1898 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1900 * expr.c (store_constructor_field): Update ALIGN before calling
1903 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1905 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
1908 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1910 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
1913 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1915 * c-decl.c (start_function): Don't warn on third parameter to main.
1917 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1919 * tsystem.h: Define HAVE_DECL_GETOPT.
1921 2001-01-02 Philip Blundell <pb@futuretv.com>
1923 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
1926 2001-01-02 Richard Henderson <rth@redhat.com>
1928 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
1930 2001-01-02 Andreas Jaeger <aj@suse.de>
1932 * c-decl.c (c_decode_option): Remove support of
1935 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
1936 (W_options): Add -Wmissing-noreturn here.
1938 * flow.c: Define lang_missing_noreturn_ok_p.
1939 (check_function_return_warnings): Use it.
1941 * c-common.h: Declare lang_missing_noreturn_ok_p.
1943 * c-lang.c (c_missing_noreturn_ok_p): New function.
1944 (lang_init): Set lang_missing_noreturn_ok_p.
1946 * invoke.texi (Warning Options): Document this.
1948 2000-12-27 Phil Edwards <pme@sources.redhat.com>
1950 * extend.texi (C++ Extensions): New node for C++ attributes;
1951 describe init_priority and com_interface.
1952 * invoke.texi: Remove -finit-priority as it now has zero effect.
1953 * install.texi: Fix xref syntax.
1954 * md.texi: Likewise.
1956 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1958 * config.gcc (sparc64-wrs-vxworks*): New case.
1959 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
1961 * config/sparc/sparc.c (sparc_override_options): Do support different
1962 pointer and architecture size.
1963 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
1964 (POINTERS_EXTEND_UNSIGNED): Define.
1965 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
1966 (FUNCTION_MODE): Define to be Pmode.
1967 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
1969 * function.c (expand_function_end): Properly handle DECL_RESULT
1970 and copy when ptr_mode != Pmode.
1971 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
1973 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1975 * c-common.c (c_common_nodes_and_builtins): Set prototype
1976 parameters for __builtin_fputs, __builtin_fputc and
1977 __builtin_fwrite. Don't declare plain fputc as a builtin.
1979 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1981 * loop.c (add_label_notes): Increment the label usage count when
1982 a note is added to an insn which refers to a CODE_LABEL.
1983 * gcse.c (add_label_notes): Likewise.
1985 2001-01-01 Andreas Jaeger <aj@suse.de>
1987 * loop.c (scan_loop): Use xmalloc to allocate movables.
1989 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
1991 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
1992 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
1993 * reload1.c (REGISTER_MOVE_COST): Likewise.
1994 * regclass.c (REGISTER_MOVE_COST): Likewise.
1995 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
1996 dimension. Adjust all users.
1997 (init_reg_sets_1): Iterate on all modes.
1998 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
1999 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2000 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2001 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2002 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2003 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2004 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2005 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2006 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2007 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2008 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2009 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2010 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2011 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2012 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2013 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2014 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2015 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2016 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2017 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2018 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2019 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2020 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2021 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2022 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2023 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2024 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2026 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2028 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2029 arg VARIES_P. Call it with extra arg.
2030 (true_dependence): Likewise.
2031 * rtl.h (rtx_addr_can_trap_p): Declare.
2032 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2034 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2035 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2036 pic offset table register if it's zero. All callers changed.
2037 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2039 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2041 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2042 STRING_POOL_ADDRESS_P.
2044 * config/sparc/sparc.c (input_operand): Properly test for short op.
2046 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2047 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2048 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2049 * config/sparc/elf.h: No longer include sol2.h.
2050 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2051 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2053 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2055 2001-01-01 Michael Hayes <mhayes@redhat.com>
2057 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2058 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2059 (record_initial): Likewise.
2060 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2061 (remap_split_bivs): Likewise.
2063 2001-01-01 Michael Hayes <mhayes@redhat.com>
2065 * loop.c (loop_ivs_free): New function.
2066 (strength_reduce): Break out from...
2068 2001-01-01 Michael Hayes <mhayes@redhat.com>
2070 * loop.h (struct iv): New.
2071 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2072 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2073 'reg_biv_class' fields with 'regs' and 'n_regs'.
2074 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2075 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2076 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2078 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2080 * resource.c (mark_referenced_resources): Abort() before
2081 attempting to mark a pseudo register.
2082 (mark_set_resources): Likewise.
2084 2001-01-01 Michael Hayes <mhayes@redhat.com>
2086 * loop.h (REG_IV_CLASS): New accessor macro.
2087 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2088 * unroll.c (REG_IV_CLASS): Likewise.
2090 See ChangeLog.4 for earlier changes.