| blob | 663dd6fce47d3fec160b3a4f1b0273bf3cada4af |
1 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3 * Makefile.in (generated-manpages): Add gcc.1
4 ($(srcdir)/gcc.1): New target.
5 (maintainer-clean): Delete $(srcdir)/gcc.1.
6 * gcc.texi: Add macros @gccoptlist and @gol.
7 * invoke.texi: Include option summary in manpage. Mark up option
8 summary with @gccoptlist and @gol. Use @r in one place where
9 appropriate.
10 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11 * gcc.1: Generate from invoke.texi.
13 2001-01-13 Richard Henderson <rth@redhat.com>
15 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
16 (struct page_entry): Add group member.
17 (struct page_group): New.
18 (struct globals): Add page_groups member.
19 (alloc_anon): Only define for using mmap; remove valloc call.
20 (page_group_index): New.
21 (set_page_group_in_use): New.
22 (clear_page_group_in_use): New.
23 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
24 (free_page, release_pages): Likewise.
25 * configure.in (with-gc): Default to ggc-page always.
27 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
29 * reload1.c (replace_pseudos_in_call_usage): Use
30 reg_equiv_constant and reg_equiv_address, and don't try
31 regno_reg_rtx first.
33 2001-01-13 Richard Henderson <rth@redhat.com>
35 * ggc-page.c (alloc_page): Round up allocation size to one page.
36 Set e->order on extra pages.
38 2001-01-13 Richard Henderson <rth@redhat.com>
40 * genrecog.c (nodes_identical): Expand commentary.
41 (write_switch): Watch out for identical nodes.
43 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
45 * cppfiles.c (_cpp_fake_include): New function.
46 * cpphash.h (_cpp_fake_include): New.
47 * cpplib.c (do_line): Call _cpp_fake_include when entering
48 header files in preprocessed input.
49 * cppmain.c (cb_pragma_implementation): Remove handling.
50 (setup_callbacks): Don't register pragmas.
52 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
54 * extend.texi: Udate for CPP.
56 2001-01-13 Andreas Jaeger <aj@suse.de>
58 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
60 * regmove.c: Add prototype for replace_in_call_usage.
62 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
64 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
65 struct cpp_chunk, struct htab, struct toklist,
66 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
67 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
68 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
69 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
70 (struct macro_args): Delete.
71 * cpphash.h: See above.
73 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
75 * cppmain.c (struct printer): Remove no_line_dirs.
76 (options, cb): New.
77 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
78 : Use options rather than CPP_OPTION.
79 (setup_callbacks): Use cb rather than pfile->cb.
80 (main): No need to check for a buffer. Use cpp_errors.
81 (printer_init): Don't set no_line_dirs.
82 (maybe_print_line): Use options not no_line_dirs.
83 (cb_file_change): Don't call print_line if -P.
85 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
87 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
88 callbacks.
89 * c-parse.in (finish_parse): Use cpp_errors.
90 (__yylex): Use return value of cpp_pop_buffer.
91 * cp/lex.c (finish_parse): Use cpp_errors.
92 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
94 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
96 * README.AVR: URLs corrected.
98 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
100 * c-decl.c (start_function): Don't warn if old prototype is builtin
101 that's not in C's namespace.
102 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
103 (_bb): Add prototype for ctime.
104 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
106 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
108 * i386.c (ix86_fp_comparison_arithmetics_cost,
109 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
110 ix86_fp_comparison_cost): New functions.
111 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
112 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
113 two-branch sequences; make static.
114 (ix86_use_fcomi_compare): Do decision according to the costs.
115 (split_fp_branch): New.
116 * i386.md (compare-and-branch patterns): Use split_fp_branch.
117 * i386-protos.h (ix86_expand_fp_compare): Remove
118 (ix86_split_fp_branch): Declare.
120 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
121 and ix86_comparison_operator.
123 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
124 to make it cheaper.
126 * i386.c (put_condition_code): Output properly the unordered/ordered
127 compares in fp case.
128 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
130 * tm.texi (REVERSE_CONDITION): Document.
131 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
132 in -ffast-math mode.
133 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
135 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
137 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
139 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
140 optimized away.
142 * config/sh/sh.c (mova_p): Fix test for mova_const.
144 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
146 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
147 cpp_get_options rather than dereferencing pfile and using
148 CPP_OPTION.
149 * scan-decls.c (scan_decls): Use return value of
150 cpp_pop_buffer rather than CPP_BUFFER.
152 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
154 * cppinit.c (cpp_handle_option): help_only is now part of the
155 cpp_options structure.
156 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
157 cpp_set_callbacks): New functions.
158 * cpplib.h (cpp_callbacks): Break out as a named structure.
159 (cpp_options): Move help_only here from cpp_reader.
160 (CPP_FATAL_ERRORS): Update to use cpp_errors.
161 (cpp_errors, cpp_get_options, cpp_get_callbacks,
162 cpp_set_callbacks): New prototypes.
163 * cppmain.c (main): Update for help_only.
165 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
167 * Makefile.in (info, maintainer-clean, install-info, uninstall):
168 Also build and remove and install and uninstall c-tree.info and
169 cppinternals.info.
170 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
171 ($(srcdir)/cppinternals.info): New target.
172 * c-tree.texi: Change file name used when makeinfo used without -o
173 from ir.info to c-tree.info. Add info directory entry.
174 * cppinternals.texi: Add info directory entry.
175 * .cvsignore: Update.
177 2001-01-12 Jakub Jelinek <jakub@redhat.com>
179 * c-typeck.c (store_init_value): Don't require constant initializer
180 elements with -pedantic -std=c99.
181 (digest_init): Change error about non-constant initializer elements
182 into pedwarn.
183 (constructor_range_end): Remove.
184 (constructor_incremental, designator_depth,
185 designator_errorneous): New variables.
186 (struct constructor_stack): Remove range_end, add incremental.
187 (struct constructor_range_stack, constructor_range_stack): New.
188 (struct initializer_stack): Add constructor_range_stack.
189 (finish_init): Set it.
190 (start_init): Likewise. require_constant_elements for non-static
191 trees only if not flag_isoc99.
192 (really_start_incremental_init): Remove constructor_range_end, add
193 constructor_incremental.
194 (pop_init_level): Likewise.
195 (push_init_level): Likewise. If implicit and the subobject had some
196 value set already, preinitialize the level with it.
197 Warn about missing braces only if not pushing due to designators.
198 (set_designator, push_range_stack): New functions.
199 (set_init_label): Use them.
200 (set_init_index): Likewise. Remove constructor_range_end.
201 Error if designator index is outside of array bounds.
202 (add_pending_init): Compare values of purpose index trees, not the
203 trees themselves. Allow overwriting of already initialized element.
204 Issue a warning if it had side-effects.
205 (set_nonincremental_init, set_nonincremental_init_from_string): New
206 functions.
207 (pending_init_member): Rename to...
208 (find_init_member): ...this function. Call set_nonincremental_init
209 if necessary. Compare values of purpose index trees, not the trees
210 themselves. Return the actual value, not just non-zero if something
211 is found.
212 (output_init_element): Remove checks for duplicates.
213 If field has zero size, only check the initializer for correctness.
214 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
215 if constructor_incremental is zero. Change error about initializers
216 not computable at load time into pedwarn.
217 (output_pending_init_elements): Compare bit positions, not
218 FIELD_DECLs to take into account zero-sized fields.
219 (process_init_element): Use constructor_range_stack to fill all
220 ranges in the designator lists from current level up.
221 * extend.texi: Update documentation for labeled elements.
223 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
225 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
226 to function usage for arguments passed by reference. Optimize
227 callee-copied arguments.
228 * regmove.c (replace_in_call_usage): New function.
229 (fixup_match_1): Call it.
230 * cse.c (cse_insn): Canonicalize registers in function usage.
231 * reload1.c (replace_pseudos_in_call_usage): New function.
232 (reload): Call it.
234 * Makefile.in: Reverted yesterday's wrong patch. Installed the
235 right version.
237 2001-01-12 Jakub Jelinek <jakub@redhat.com>
239 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
240 not XEXP (tmp, 0).
242 2001-01-12 DJ Delorie <dj@redhat.com>
244 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
245 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
246 targets.
248 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
250 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
251 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
252 -std options alongside references to -ansi. Update some
253 documentation for C99.
254 * cpp.1: Regenerate.
256 2001-01-12 Andreas Jaeger <aj@suse.de>
258 * haifa-sched.c (restore_line_notes): Remove argument block B
259 since it's unused.
260 * sched-ebb.c (schedule_ebb): Change caller.
261 * sched-rgn.c (schedule_region): Likewise.
262 * sched-int.h (restore_line_notes): Adjust prototype.
264 * loop.h: Remove wrong declaration of doloop_condition_get.
266 2001-01-12 Phil Edwards <pme@sources.redhat.com>
268 * extend.texi: Move C++-extension-related node from the C section
269 into the C++ section.
271 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
273 * extend.texi: Refer to an array of pointers to functions instead
274 of one of functions.
276 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
277 Jan Hubicka <jh@suse.cz>
279 * combine.c (reversed_comparison): Fix typo in last patch.
280 Check X for NULL.
281 (combine_reversed_comparison_code): Make static to follow
282 prototype declaration.
284 2001-01-12 Phil Edwards <pme@sources.redhat.com>
286 * install.texi: Remove misplaced duplicate entry.
288 2001-01-11 Ulrich Drepper <drepper@redhat.com>
290 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
292 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
294 * final.c: (leaf_function_p): Fix typo.
296 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
298 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
299 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
300 which you have.
301 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
302 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
303 mmap_anon, and valloc is available.
304 * ggc-page.c: Restructure ifdef logic to match new autoconf
305 spec. Don't throw away the test page in init_ggc.
307 * configure, config.in: Regenerate.
309 2001-01-12 Michael Hayes <mhayes@redhat.com>
311 * loop.h (total_biv_increment): Constify iv_class pointer.
312 (struct induction): Replace `mem_mode' with `mem' rtx.
313 * unroll.c (total_biv_increment): Constify iv_class pointer.
314 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
315 (find_mem_givs, combine_givs_p): Likewise.
316 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
318 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
320 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
321 LastError.
322 (__gthread_getspecific): Ditto.
324 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
326 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
327 put_condition_code): Convert fp comparison codes to integer
328 before handling.
329 (ix86_expand_fp_compare): Postnote the fp comparison code converison
330 to final.
332 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
333 * i386-protos.h (no_comparison_operator): Kill.
335 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
337 * combine.c (REVERSIBLE_CC_MODE): Remove.
338 (reversible_comparison_p): Remove.
339 (combine_reversed_comparison_code): New.
340 (reversed_comparison): New.
341 (combine_simplify_rtx): Use
342 combine_reversed_comparison_code/reversed_comparison instead
343 of reversible_comparison_p.
344 (simplify_if_then_else): Likewise.
345 (simplify_set): Likewise.
346 (simplify_logical): Likewise.
347 (if_then_else_cond): Likewise.
348 (known_cond): Likewise.
349 (simplify_comparison): Likewise.
351 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
353 * builtins.c (std_expand_builtin_va_start): Handle varargs when
354 sizeof (int) is larger than sizeof(__word__).
356 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
358 * cppinit.c (do_includes): Fix typo.
360 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
362 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
363 in S_REGS does not occur because not all sources are possible
364 when a S_REGS is a destination (sometimes needs a clobber).
365 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
366 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
367 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
368 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
369 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
370 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
371 (lshrdi_const1, lshrsi3_const16): Likewise.
372 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
373 (*movhi_68hc12, *movqi_68hc12): Likewise.
374 (movstrictqi): Make sure reloading in D_REGS as a destination
375 does not happen.
377 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
379 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
381 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
383 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
384 -D, -U and -A, and don't initialize the builtins.
385 (do_includes): Error if -include or -imacros with -fpreprocessed.
386 * cppmain.c (cb_define, cb_undef): Unconditionally process
387 the callback.
388 * tradcpp.c (main): Fix typo.
390 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
392 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
393 (read_name_map): Use IS_ABSOLUTE_PATH.
394 * tradcpp.c (get_filename): Likewise.
396 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
398 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
399 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
400 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
401 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
402 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
403 (cmphi_z_used): Don't use '@' for the output.
404 (tstqi_z_used): Likewise.
405 (cmpqi_z_used): Likewise.
406 (one_cmplsi2): Likewise.
408 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
410 * config/sh/sh.c (barrier_align): Recognize branch around far
411 branch and redundant insn.
413 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
415 * invoke.texi: Restore documentation of the drivers' switches -MD
416 and -MMD.
418 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
420 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
422 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
423 check-objc//%): Support parallel testing of multilibs.
424 (TESTSUITEDIR): Set to testsuite by default, but override for
425 parallel testing.
426 (check-gcc, check-g++, check-g77, check-objc): Enter
427 $(TESTSUITEDIR).
429 2001-01-11 Bernd Schmidt <bernds@redhat.com>
431 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
432 * sched-deps.c (deps_may_trap_p): Likewise.
433 * basic-block.h: Remove a comment.
434 * flow.c (PROP_POSTRELOAD): Remove.
435 (update_life_info): Don't add it to prop_flags.
436 (mark_set_1): Lose the code that was enabled by it.
438 2001-01-11 Michael Hayes <mhayes@redhat.com>
440 * flow.c (flow_call_edges_add): New.
441 * basic_block.h (flow_call_edges_add): New.
443 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
445 * reload1.c (move2add_note_store): Update reg_set_luid even if
446 base reg remains the same.
448 2001-01-10 Nick Clifton <nickc@redhat.com>
450 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
451 machine_function structure to zero.
452 Add prototypes for machine_status functions.
454 2001-01-10 Mark Mitchell <mark@codesourcery.com>
456 * c-common.h (CTI_VOID_LIST): Remove.
457 (void_list_node): Likewise.
458 * tree.h (TI_VOID_LIST_NODE): New enumeral.
459 (void_list_node): New macro.
460 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
461 * config/i386/i386.c (ix86_init_builtins): Likewise.
462 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
464 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
466 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
467 * cppinit.c (cpp_start_read): Update comment, remove unneeded
468 if statement.
469 * tradcpp.c: Include mkdeps.h.
470 (deps, print_deps_phony_targets, deps_append, output_deps,
471 init_dependency_output, output_deps): New.
472 (deps_buffer, deps_allocated_size, deps_size, deps_column,
473 deps_output): Delete.
474 (print_deps_missing_files): Rename deps_missing_files.
475 (inhibit_output): Make global.
476 (main): Delete inhibit_output, deps_stream, deps_target.
477 Use mkdeps functionality in the same way as cpplib. Remove
478 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
479 -M and -MM. Remove old handling of deps via deps_out, and
480 old reading of environment variables.
481 (get_filename): Update to use deps_add_dep.
483 2001-01-10 Mark Mitchell <mark@codesourcery.com>
485 * output.h (make_function_rtl): Remove prototype.
486 (make_decl_rtl): Likewise.
487 * varasm.c (make_function_rtl): Remove.
488 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
489 than from a third parameter.
490 * tree.h (make_decl_rtl): Remove last parameter.
491 * c-decl.c (builtin_function): Remove last argument in call to
492 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
493 (start_function): Likewise.
494 * except.c (call_get_eh_context): Likewise.
495 * expr.c (emit_block_move): Likewise.
496 (clear_storage): Likewise.
497 * profile.c (output_func_start_profiler): Likewise.
498 * toplev.c (rest_of_decl_compilation): Likewise.
499 * objc/objc-act.c (create_builtin_decl): Likewise.
500 (synth_module_prologue): Likewise.
501 (generate_static_reference): Likewise.
502 (build_selector_reference_decl): Likewise.
503 (build_class_reference_decl): Likewise.
504 (build_objc_string_decl): Likewise.
505 (build_protocol_reference): Likewise.
507 2001-01-10 Richard Henderson <rth@redhat.com>
509 * hwint.h: Revert yesterday's change.
511 2001-01-10 Nick Clifton <nickc@redhat.com>
513 * function.h (save_machine_status): Delete.
514 (restore_machine_status): Delete.
515 Amend comment describing {init|mark|free}_machine_status.
517 * function.c (save_machine_status): Delete.
518 (restore_machine_status): Delete.
519 Amend comment describing {init|mark|free}_machine_status.
520 (push_function_context_to): Remove invocation of
521 save_machine_status.
522 (pop_function_context_from): Remove invocation of
523 restore_machine_status.
525 * emit-rtl.c (init_emit_once): Amend comment describing
526 {init|mark|free}_machine_status.
528 * tm.texi (Per-Function Data): New node. Describe the
529 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
530 function pointers.
532 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
534 * cppinit.c (OPT_g): Remove.
535 (cpp_handle_option): Update for removed -g3.
536 (print_help): Update.
537 * cpplib.h (struct cpp_options): Remove debug_output.
538 * cppmain.c (setup_callbacks, cb_define): Update.
539 * gcc.c (cpp_options): Translate -g3 to -dD.
541 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
543 * config/i960/i960.md: Change modifier to + on the zero_extract
544 pattern after the (rotate -2 reg) canonicalization pattern.
546 2001-01-10 Richard Henderson <rth@redhat.com>
548 * config/alpha/alpha.c (alpha_free_machine_status): New.
549 (override_options): Install it.
550 (alpha_mark_machine_status): Verify machine non-null.
551 * config/i386/i386.c (ix86_free_machine_status): New.
552 (override_options): Install it.
553 (ix86_init_machine_status): Use xcalloc.
554 (ix86_mark_machine_status): Verify machine non-null.
555 * config/ia64/ia64.c (ia64_free_machine_status): New.
556 (ia64_override_options): Install it.
557 (ia64_mark_machine_status): Verify machine non-null.
559 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
561 * function.c (instantiate_virtual_regs): Instantiate virtual
562 registers found in CALL_INSN_FUNCTION_USAGE.
564 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
566 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
567 equivalent to -ansi in disabling -Di386.
569 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
571 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
572 new functions.
573 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
575 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
577 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
579 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
581 * invoke.texi: Document that -fcond-mismatch isn't supported for
582 C++.
584 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
586 * gcc.texi: Define macro gcctabopt.
587 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
588 @command, @env and @option in some places where appropriate. Use
589 @gcctabopt where appropriate. Put URLs and email addresses inside
590 @w.
592 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
594 * gcc.c (cpp_options): Set MD file name from output
595 filename, if specified.
596 (suffix_subst): New static variable.
597 (do_spec): Clear it.
598 (do_spec_1, case '.'): Handle new `%.suffix' spec.
599 Clear it.
600 (give_switch): Handle suffix_subst.
602 2001-01-10 Phil Edwards <pme@sources.redhat.com>
604 * invoke.texi: Fix another typo.
606 2001-01-10 Phil Edwards <pme@sources.redhat.com>
608 * invoke.texi: Fix typo.
610 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
612 * c-lang.c (lang_hooks): Update.
613 (lang_decode_option): Remove.
614 (lang_init_options): Rename c_init_options.
615 * toplev.c (main): Use lang_hooks for lang_init_options
616 and lang_decode_option.
617 * toplev.h (lang_hooks): Add 2 new hooks.
618 * tree.h: Remove lang_init_options and lang_decode_option.
619 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
620 * cp/decl2.c: Similarly.
621 * cp/lex.c (lang_init_options): Rename cxx_init_options.
622 (lang_hooks): Update.
623 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
624 for consistency.
625 (lang_init_options): Rename ffe_init_options.
626 (lang_hooks): Update.
627 (lang_decode_option): Remove.
628 * java/lang.c (lang_init_options): Rename java_init_options.
629 (lang_decode_option): Rename java_decode_option.
630 (lang_hooks): Update.
631 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
632 (lang_decode_option): Rename objc_decode_option.
633 (lang_hooks): Update.
635 2001-01-09 Nick Clifton <nickc@redhat.com>
637 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
638 (d30v_return_addr_rtx): Delete.
639 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
640 cfun->machine structure.
641 (struct machine_function): Move to d30v.h
642 (d30v_save_machine_status): Delete.
643 (d30v_restore_machine_status): Delete.
644 (d30v_init_machine_status): New Function.
645 (d30v_mark_machine_status): New Function.
646 (d30v_free_machine_status): New Function.
647 (d30v_init_expanders): Use new functions.
648 (d30v_return_addr): Use ra_rtx field in cfun->machine.
649 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
650 d30v_return_addr_rtx.
652 * config/d30v/d30v.h (struct_machine): Move here.
653 Add eh_epilogue_sp_ofs field.
655 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
656 field in cfun->machine structure.
658 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
660 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
661 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
662 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
664 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
666 * objc/lang-options.h: Remove bogus reference to
667 Java trademark.
669 2001-01-09 Kazu Hirata <kazu@hxi.com>
671 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
672 return the result.
674 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
676 * reload.c (find_reloads_address): Check for eliminable registers
677 when substituting a constant expression for a pseudo.
679 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
681 * c-common.c (enum format_type): Add format_type_error.
682 (decode_format_type): New function.
683 (decl_attributes): Use it.
684 (format_kind_info): Adjust comment.
686 2001-01-09 David O'Brien <obrien@BSDi.com>
688 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
689 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
690 files in tm_file.
691 * config/i386/gnu.h: Don't include required platform specific .h files,
692 tm.h will do it instead.
693 * config/i386/i386elf.h: Likewise.
694 * config/i386/linux.h: Likewise.
695 * config/i386/moss.h: Likewise.
696 * config/mips/gnu.h: Likewise.
698 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
700 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
701 (rs6000-ibm-aix3.[01]*): Likewise.
702 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
703 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
704 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
705 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
706 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
707 (powerpc-*-eabiaix*): Likewise.
708 (powerpc-*-eabisim*): Likewise.
709 (powerpc-*-elf*): Likewise.
710 (powerpc-*-eabi*): Likewise.
711 (powerpc-*-rtems*): Likewise.
712 (powerpc-*-linux*libc1): Likewise.
713 (powerpc-*-linux*): Likewise.
714 (powerpc-wrs-vxworks*): Likewise.
715 (powerpcle-wrs-vxworks*): Likewise.
716 (powerpcle-*-sysv*): Likewise.
717 (powerpcle-*-elf*): Likewise.
718 (powerpcle-*-eabisim*): Likewise.
719 (powerpcle-*-eabi*): Likewise.
720 (powerpcle-*-solaris2*): Likewise.
721 * config/rs6000/aix31.h: Delete includes.
722 * config/rs6000/aix3newas.h: Likewise.
723 * config/rs6000/aix41.h: Likewise.
724 * config/rs6000/aix43.h: Likewise.
725 * config/rs6000/beos.h: Likewise.
726 * config/rs6000/rtems.h: Likewise.
727 * config/rs6000/sysv4.h: Likewise.
729 2001-01-09 Kazu Hirata <kazu@hxi.com>
731 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
732 Change an argument mode of machine_mode to shift_mode of
733 shift_mode. Remove an extra error check.
734 (emit_a_shift): Adopt to the new calling prototype of
735 get_shift_alg.
736 (function_prologue): Fix code for a monitor
737 function. Support H8/S.
738 (function_epilogue): Do not output pop for a monitor function.
740 2001-01-09 Nick Clifton <nickc@redhat.com>
742 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
743 (setup_incoming_varargs): Use sysv_varargs_p field of the
744 cfun->machine structure.
745 (struct machine_function): Move to rs6000.h
746 (rs6000_save_machine_status): Delete.
747 (rs6000_restore_machine_status): Delete.
748 (rs6000_init_machine_status): New Function.
749 (rs6000_free_machine_status): New Function.
750 (rs6000_init_expanders): Use new functions.
752 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
753 export.
754 (struct machine_function): Move here.
756 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
757 sysv_varargs_p field of the cfun->machine structure.
759 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
760 Remove prototype.
761 (rs6000_restore_machine_status): Remove prototype.
763 2001-01-09 Richard Henderson <rth@redhat.com>
765 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
766 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
767 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
768 (sched_analyze_2, sched_analyze_insn): Likewise.
769 (sched_analyze, init_deps): Likewise.
770 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
771 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
772 (compute_block_backward_dependences): Update propagate_deps call.
774 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
776 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
778 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
780 * cppinit.c (OPT_MD, OPT_MMD): Restore.
781 (cpp_handle_option): Handle them.
782 (cpp_post_options): Ensure one of -M or -MM is specified with
783 any other -M? option.
784 (init_dependency_output): Suppress output with -MG.
786 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
788 * cpp.texi: Update.
789 * invoke.texi: Update.
791 2001-01-09 Bernd Schmidt <bernds@redhat.com>
793 * sh.md (reload_outsf): Generate recognizable patterns for
794 TARGET_SH3E.
796 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
798 * c-lang.c (lang_hooks): Update.
799 (lang_init): Rename c_init.
800 (lang_finish): Remove.
801 * toplev.c (compile_file): Use lang_hooks for lang_init ()
802 and lang_finish ().
803 * toplev.h (lang_hooks): Add init () and finish ().
804 * tree.h (lang_init, lang_finish): Remove.
805 * cp/tree.h (lang_init, lang_finish): Remove.
806 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
807 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
808 lang_hooks): New.
809 (lang_init, lang_finish): Remove.
810 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
811 (lang_hooks): Update.
812 * java/lang.c (lang_init): Rename java_init.
813 (lang_finish): Remove.
814 (lang_hooks): Update.
815 * objc/objc-act.c (lang_init): Rename objc_init.
816 (lang_finish): Remove.
817 (lang_hoooks): Update.
819 20001-01-09 Graham Stott <grahams@redhat.com>
821 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
822 after `ptr` is initialised.
824 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
826 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
827 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
828 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
829 stack adjusts, instead of r3.
831 2001-01-09 Michael Hayes <mhayes@redhat.com>
833 * flow.c (flow_loop_scan): Break out of ...
834 (flow_loops_find) ... here.
835 * basic-block.h (flow_loop_scan): New.
836 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
837 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
839 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
841 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
842 macro_buffer_len.
843 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
844 realloc()ing macro_buffer.
846 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
847 if it's wider than long and the target's long is wider than the
848 host's.
850 2001-01-09 Mark Mitchell <mark@codesourcery.com>
852 Remove support for using UWIN as a host machine.
853 * configure.in: Issue an error message.
854 * configure: Regenerated.
855 * config.gcc: Remove xm_* UWIN configury.
856 * config/i386/xm-uwin.h: Remove.
858 2001-01-08 Nick Clifton <nickc@redhat.com>
860 * config/v850/v850.c (ra_rtx): Delete.
861 (v850_save_machine_status): Delete.
862 (v850_restore_machine_status): Delete.
863 (v850_init_machine_status): New function.
864 (v850_mark_machine_status): New function.
865 (v850_free_machine_status): New function.
866 (v850_return_addr): Use ra_rtx field in machine structure.
867 (v850_init_expanders): Use new functions.
869 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
870 * config/v850/v850.c: Change arguments to v850_output+* functions
871 to take a const char *, to avoid compile time warning.
872 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
873 (USER_LABEL_PREFIX): Redefine.
875 2000-01-08 Jim Wilson <wilson@redhat.com>
877 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
878 1 to unsigned HOST_WIDE_INT before left shift.
880 2001-01-08 Nick Clifton <nickc@redhat.com>
882 * config/arm/arm.c (arm_mark_machine_status): Check to see if
883 the machine structure has been allocated.
884 (arm_free_machine_status): New function: Free the machine
885 specific function structure.
887 2001-01-08 Richard Henderson <rth@redhat.com>
889 * jump.c (simplejump_p): Revert last change.
891 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
893 * cppinit.c (init): Rename init_library.
894 (cpp_create_reader): Update.
895 * gcc.c (cpp_options): If -o given, use it as the target of
896 any -M options.
898 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
900 * arm.c (arm_arch5e): New variable.
901 (all_cores): XScale is a 5TE device.
902 (arm_override_options): Set arm_arch5e.
903 (arm_init_builtins): __builtin_prefetch is in arch5e.
904 * arm.h (arm_arch5e): Declare it.
906 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
908 * arm.md (define_constants): Add defines for UNSPEC and
909 UNSPEC_VOLATILE insns. Update all users.
910 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
911 * arm.c (multi_register_push, note_invalid_constants)
912 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
913 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
914 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
916 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
918 * jump.c (jump_optimize_1): Use reversed_comparison_code
919 instead of can_reverse_comparison_p.
920 (jump_back_p): Likewise.
921 (invert_exp_1): Likewise.
922 (thread_jumps): Likewise.
923 * simplify-rtx.c (simplify_unary_operation): Likewise.
924 (simplify_ternary_operation): Likewise.
925 * cse.c (find_comparison_args): Convert to use
926 can_reverse_comparison_p.
927 (record_jump_equiv): Likewise.
929 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
931 * arm.h (HARD_REGNO_RENAME_OK): Delete.
932 (EPILOGUE_USES): Define.
933 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
934 automatically stack the LR if it isn't live.
936 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
938 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
939 properly.
941 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
943 * ggc-page.c (max_alignment): New structure.
944 (MAX_ALIGNMENT): New macro.
945 (init_ggc): Use it to round up the sizes in the
946 extra_order_size_table.
948 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
950 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
951 after reload.
953 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
955 * builtins.def (BUILT_IN_FPRINTF): New entry.
957 * c-common.c (c_expand_builtin_fprintf): New function.
958 (init_function_format_info): Handle __builtin_fprintf.
959 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
960 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
962 * c-decl.c (duplicate_decls): Adjust comment.
964 * extend.texi (fprintf): Document new builtin.
966 2001-01-07 Richard Henderson <rth@redhat.com>
968 * jump.c (simplejump_p): Recognize any single_set jump
969 of the proper form.
971 2001-01-07 Richard Henderson <rth@redhat.com>
973 * configure.in (slibdir): Accept an --with-slibdir option.
974 Use "test" not "[" in configure. Default to $(libdir).
976 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
977 fix typo in rm -f.
978 * config/t-aix43 (SHLIB_INSTALL): Likewise.
979 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
980 (SHLIB_LINK): Create links for the soname.
981 * config/mips/t-iris6: Likewise.
982 * config/sparc/t-slibgcc: Likewise.
983 * config/sparc/t-slibgcc-sld: Likewise.
985 2001-01-07 Jakub Jelinek <jakub@redhat.com>
987 * config/i386/i386.c (constant_call_address_operand): Accept
988 (const (plus (symbol_ref) (const_int))).
989 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
990 constant_call_address_operand.
992 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
994 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
995 and LONG_LONG_TYPE_SIZE > 32.
997 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
999 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1000 the previous change.
1002 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1004 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1005 New.
1006 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1007 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1008 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1009 Declare.
1011 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1013 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1015 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1017 * c-lang.c (c_post_options): Call cpp_post_options.
1018 * objc/objc-act.c (objc_post_options): Similarly.
1019 * cppmain.c (main): Similarly.
1020 * fix-header.c (read_scan_file): Similarly.
1021 * cppinit.c (cpp_start_read): Move option consistency checks
1022 to cpp_post_options. Don't call init_dependency_output.
1023 If needed, add default target and main file dependency.
1024 (OPT_MD, OPT_MMD): Remove.
1025 (OPT_MF): New.
1026 (cpp_handle_option): Update for OPT_* changes.
1027 (cpp_post_options): New.
1028 (init_dependency_output): Command line -MF overrides environment
1029 variables. Don't set default target etc. Suppress output
1030 if dependencies are going to stdout.
1031 (print_help): Update.
1032 * cpplib.h (cpp_post_options): New.
1033 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1035 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1037 * jump.c (comparison_dominates_p): Support unordered compares.
1039 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1041 * simplify-rtx.c (simplify_relational_operation): Always simplify
1042 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1043 and UNGE.
1045 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1047 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1048 (nonzero_bits): Likewise.
1049 (simplify_comparison): Likewise.
1050 (num_sign_bit_copies): Likewise; return more sane value depending
1051 on STORE_FLAG_VALUE.
1052 (known_cond): Do not assume EQ to be always true for equivalent
1053 operands.
1055 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1057 * cse.c (fold_rtx): Handle unordered comparisons.
1059 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1061 * rtlanal.c (set_of_1): New static function.
1062 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1063 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1064 reg_set_last_last_regno): Remove.
1065 (set_of): New global function.
1066 (set_of_data): New structure.
1067 (reg_set_p, reg_set_last): Revamp for set_of.
1068 * rtl.h (set_of): New.
1070 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1072 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1073 * extend.texi: Document _Exit builtin.
1075 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1077 * (initialize, initialize_builtins,
1078 initialize_dependency_output, initialize_standard_includes):
1079 Rename s/initialize/init. Update.
1080 (init_dependency_output): Move to after
1081 cpp_handle_options, the correct location temporally at least.
1082 (opt_comp): Move next to init (), its caller. Fix prototype.
1083 (init): Make "initialized" local scope.
1084 (cpp_create_reader): Always call init ().
1085 (cpp_start_read): Update.
1086 (output_deps): New function, broken out of cpp_finish.
1087 (cpp_finish): Break out output_deps.
1089 2001-01-07 Richard Henderson <rth@redhat.com>
1091 * collect2.c (COFF specific stuff): Revert 12-06 patch
1092 to prototype system functions.
1094 2001-01-07 Michael Hayes <mhayes@redhat.com>
1096 * hard-reg-set.h: Add multiple include guard.
1097 * basic-block.h (struct loop): Add `sink' field.
1098 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1099 (emit_iv_add_mult): Delete.
1100 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1101 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1102 (unroll_loop): Remove end_insert_before argument.
1103 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1104 (maybe_eliminate_biv_1): Likewise.
1105 (emit_iv_add_mult): Delete.
1106 (gen_add_mult, loop_regs_update): New.
1107 (loop_insn_emit_after, loop_insn_emit_before): New.
1108 (loop_insn_sink, loop_insn_sink_or_swim): New.
1109 (emit_iv_add_mult): Delete.
1110 (scan_loop): Set loop->sink.
1111 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1112 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1113 (maybe_eliminate_biv_1): Likewise.
1114 (maybe_eliminate_biv_1): Add basic block argument.
1115 * unroll.c (unroll_loop): Remove end_insert_before argument.
1116 (find_splittable_regs): Likewise.
1117 (find_splittable_regs): Use loop_insn_sink and its ilk.
1118 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1120 2001-01-07 Michael Hayes <mhayes@redhat.com>
1122 * loop.h (loop_insn_hoist): New prototype.
1123 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1124 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1125 (check_dbra_loop, load_mems): Likewise.
1126 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1127 (find_splittable_givs): Likewise.
1129 2001-01-07 Michael Hayes <mhayes@redhat.com>
1131 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1133 2001-01-07 Richard Henderson <rth@redhat.com>
1135 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1137 2001-01-07 Richard Henderson <rth@redhat.com>
1139 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1140 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1141 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1142 variant that handles a shared libgcc.
1143 (process_command): Always validate -{static,shared}-libgcc.
1144 (do_spec_1): New 'M' case.
1145 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1147 2001-01-07 Richard Henderson <rth@redhat.com>
1149 * Makefile.in (slibdir): New variable.
1150 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1151 (installdirs): Create slibdir.
1152 (install-libgcc, install-multilib): Defer to libgcc.mk.
1153 * configure.in (slibdir): Substitute.
1154 * mklibgcc.in (install): New target.
1156 * config/t-linux (SHLIB_LINK): Create links for the soname.
1157 (SHLIB_INSTALL): New.
1158 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1159 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1160 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1161 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1162 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1164 2001-01-07 Richard Henderson <rth@redhat.com>
1166 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1167 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1168 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1170 2001-01-07 Michael Hayes <mhayes@redhat.com>
1172 * loop.c (count_loop_regs_set): Delete.
1173 (load_mems_and_recount_loop_regs_set): Delete.
1174 (loop_regs_scan): Merge common code from count_loop_regs_set,
1175 scan_loop, and load_mems_and_recount_loop_regs_set.
1176 (scan_loop): Call load_mems directly and loop_regs_scan
1177 again if new registers created.
1179 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1181 * toplev.c (main): Call the front-end specific post_options
1182 hook if one is given.
1183 * toplev.h (struct_lang_hooks, lang_hooks): New.
1184 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1185 for the C front end.
1186 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1187 lang_hooks for the C++ front end.
1188 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1189 lang_hooks for the ObjC front end.
1190 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1191 * java/lang.c (lang_hooks): Hooks for the Java front end.
1193 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1195 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1196 for verbose DWARF[2] debugging.
1197 (cb_define, cb_undef): The new callbacks.
1198 * toplev.h (debug_define, debug_undef): Make const correct.
1199 * toplev.c (debug_define, debug_undef): Similarly. Do not
1200 perform the verbosity tests here anymore.
1202 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1204 * reload.c (subst_reloads): Take INSN argument. When
1205 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1206 * reload.h (subst_reloads): Adjust prototype.
1207 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1208 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1209 present in JUMP_INSNs and copy them to JUMP_LABEL.
1210 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1211 JUMP_INSNs and insns with REG_LABELs that are followed by
1212 JUMP_INSNs with the same REG_LABEL.
1213 * sched-rgn.c (is_cfg_nonregular): Likewise.
1214 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1215 note is available.
1216 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1217 JUMP_INSNs too.
1218 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1220 2001-01-06 Richard Henderson <rth@redhat.com>
1222 * loop.c (scan_loop): Use xcalloc for the regs array.
1223 (load_mems_and_recount_loop_regs_set): Zero the new memory
1224 received from xrealloc.
1226 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1228 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1230 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1232 * integrate.c (copy_rtx_and_substitute): When copying
1233 an ignored return value, strip REG_FUNCTION_VALUE_P.
1235 2001-01-06 Michael Hayes <mhayes@redhat.com>
1237 * loop.c (debug_biv, debug_giv): New.
1238 (loop_biv_dump): Break out from ...
1239 (record_biv): ... here.
1240 (loop_giv_dump): Break out from ...
1241 (record_giv): ... here.
1242 (loop_bivs_check): Use print_simple_rtl.
1243 * unroll.c (loop_iterations): Use print_simple_rtl.
1245 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1247 * pa.md (return, return_internal): Modify patterns to prevent regrename
1248 mucking with the return pointer.
1250 2001-01-05 Richard Henderson <rth@redhat.com>
1252 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1254 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1256 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1257 version supplied by Matteo Frigo.
1259 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1261 * cpp.texi: Update for -MQ.
1262 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1263 (cpp_cleanup): Always free pfile->deps.
1264 (initialize_dependency_output): Don't create pfile->deps.
1265 (cpp_handle_option): Similarly.
1266 (OPT_MQ): New.
1267 * gcc.c (cpp_options): Handle -MQ.
1268 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1269 * mkdeps.c (base_name): Remove.
1270 (deps_init): Don't allocate vector space until it's needed.
1271 (deps_free): Only free vectors if allocated.
1272 (deps_add_target, deps_add_dep): Update for initial allocation.
1273 (deps_add_default_target): Don't strip to the base_name.
1275 2001-01-05 DJ Delorie <dj@redhat.com>
1277 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1278 (INIT_EXPANDERS): Define.
1280 * config/v850/v850.c (struct machine_function): Define.
1281 (v850_save_machine_status): New function.
1282 (v850_restore_machine_status): New function.
1283 (v850_return_addr): New function.
1284 (v850_init_expanders): New function.
1286 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1287 and v850_init_expanders.
1289 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1291 * cpplib.h (struct cpp_reader): Add help_only field.
1292 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1293 (cpp_handle_option): Set pfile->help_only if we see -h,
1294 --help, -target-help, or --version. Print version string but
1295 do not set help_only if we see -v or -version. Make text
1296 printed by -v match that printed by (-)-version.
1298 * cppmain.c (main): Exit after option parsing if
1299 pfile->help_only is true.
1301 * toplev.c (independent_decode_option): Call print_version,
1302 then exit, if we see --version (but not -version).
1303 (print_version): Split lengthy message into two lines.
1305 2001-01-05 Nick Clifton <nickc@redhat.com>
1307 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1308 temporary string for initialisation before calling ggc_alloc_string.
1310 2001-01-06 Michael Hayes <mhayes@redhat.com>
1312 * rtl.h (print_simple_rtl): New.
1313 * print-rtl.c (print_simple_rtl): New.
1314 (flag_simple): New.
1315 (print_rtx): Disable printing of flags and modes, etc.,
1316 if `flag_simple` nonzero.
1318 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1320 * function.c (fixup_var_refs): Use push_to_full_sequence where
1321 possible.
1323 2001-01-05 Michael Meissner <meissner@redhat.com>
1325 * flags.h (flag_reorder_blocks): Add declaration.
1326 (flag_rename_block): Ditto.
1328 2001-01-05 DJ Delorie <dj@redhat.com>
1330 * function.c (reorder_blocks): Make sure the flags are all reset
1331 before using them to mark blocks, else a second invocation will
1332 corrupt the block chain.
1333 (reorder_blocks_0): New, resets the flags.
1335 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1337 * cse.c (find_comparison_args): Stop if the argument is known to
1338 be constant.
1340 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1342 * config/sh/sh.md (movdf): When splitting load into pair of
1343 registers, don't clobber the register used in the address too
1344 early.
1346 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1348 * varasm.c (mark_constant_pool): Improve initial comments.
1349 (mark_constants): Move marking of constants to mark_constant.
1350 (mark_constant): New function to recursively mark all constants
1351 referred to by a constant.
1353 2001-01-05 Catherine Moore <clm@redhat.com>
1355 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1357 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1359 * cp/lang-options.h: Bring comment in line with reality.
1360 * f/lang-options.h: Likewise.
1361 * java/lang-options.h: Likewise.
1362 * objc/lang-options.h: Likewise.
1363 * ch/lang-options.h: Likewise.
1364 * f/g77.texi: And update the manual.
1366 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1367 Denis Chertykov <denisc@overta.ru>
1369 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1370 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1371 * config/avr/avr.md (all peepholes that request a scratch register):
1372 Call it, FAIL the peephole if not safe (in interrupt functions).
1374 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1376 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1378 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1380 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1381 Define.
1382 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1383 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1384 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1385 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1386 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1387 BUILT_IN_CIMAG.
1388 * extend.texi: Document these builtins.
1390 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1392 * c-common.c (lang_get_alias_set): Say we know nothing of
1393 VECTOR_TYPE aliasing.
1395 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1397 2001-01-05 Bruce Korb <bkorb@gnu.org>
1399 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1400 their x* equivalent versions for atexit-less systems
1401 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1402 systems (or any other system any more).
1404 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1406 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1407 output operands. Use arm_hard_register_operand for operand 4.
1408 (stmsi_postinc): Similarly.
1409 (ldmsi): Use arm_hard_register_operand for opernand 2.
1410 (stmsi): Similarly.
1411 * arm.c (arm_hard_register_operand): New function.
1412 * arm-protos.h (arm_hard_register_operand): Prototype it.
1414 * arm.h (HARD_REGNO_RENAME_OK): Define.
1416 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1418 * simplify-rtx.c (cfc_args): add "unordered" field.
1419 (check_fold_consts): Set unordered field.
1420 (simplify_relational_operation): Simplify the unordered
1421 comparisons.
1423 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1424 is valid.
1426 * emit-rtl.c (try_split): Fix code to mark labels.
1427 * jump.c (mark_jump_label): Make global.
1428 * rtl.h (mark_jump_label): Declare.
1430 * predict.c (estimate_probability): Handle unordred comparisons.
1432 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1434 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1435 * cppinit.c (initialize_dependency_output): Update.
1436 (cpp_finish): Output dummy targets for -MP.
1437 (OPT_MP): New.
1438 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1439 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1440 * gcc.c (cpp_options): Update to handle -MP.
1441 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1442 to quote only the default target.
1443 (deps_phony_targets): Insert a preceding newline. Rename from
1444 deps_dummy_targets for consistency.
1445 * mkdeps.h: Update
1447 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1449 * calls.c (emit_library_call_value_1): Support
1450 INIT_CUMULATIVE_LIBCALL_ARGS.
1451 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1453 2001-01-04 Richard Henderson <rth@redhat.com>
1455 * c-decl.c (finish_struct): Detect flexible array members
1456 used in an inappropriate context.
1457 * c-typeck.c (really_start_incremental_init): Special case
1458 constructor_max_index for zero length arrays.
1459 (pop_init_level): Allow initialization of flexible array
1460 members. Deprecate initialization of zero length arrays.
1461 Don't issue missing initializer warning for flexible array
1462 members or zero length arrays.
1463 (process_init_element): Don't dereference null DECL_SIZE.
1464 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1465 Don't abort for empty constructors. Use size_binop
1466 (output_constructor): Add commentary regarding zero length
1467 array futures. Abort if we try to initialize an array of
1468 unspecified length with a non-empty constructor in the middle
1469 of a structure.
1471 * extend.texi (Zero Length): Update and clarify documentation
1472 on static initialization.
1474 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1476 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1477 with more than 32767 words of local storage.
1479 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1481 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1482 for 'abs', 'labs', and 'fabs'.
1483 (c4x_expand_builtin): Likewise.
1484 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1486 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1488 * config/sh/sh.md (prget, prset): New insn types.
1489 (return delay slot): Dont' allow prset.
1490 (call, sfunc delay slot): Don't allow prget.
1491 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1492 for prset and prget.
1494 2001-01-05 Michael Hayes <mhayes@redhat.com>
1496 * loop.h (struct loop_reg): New.
1497 (struct loop_regs): Change to use array of `struct loop_reg'.
1498 * loop.c: Replace assortment of varrays with single regs array.
1499 (count_one_set): Delete may_not_move array argument
1500 and use regs array instead. All caller's changed.
1501 (count_loop_regs_set): Delete may_not_move and single_usage
1502 arguments and use regs array instead. All caller's changed.
1503 (find_single_use_in_loop): Replace usage array argument with pointer
1504 to regs structure. All caller's changed.
1505 (loop_optimize): Delete `moved_once' array.
1507 2001-01-05 Michael Hayes <mhayes@redhat.com>
1509 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1510 Use it instead of loop_info->has_call for scanning loop mems.
1511 (check_dbra_loop): Replace loop_info->has_call test with
1512 loop_info->has_nonconst_call.
1514 2000-01-04 Matthew Hiller <hiller@redhat.com>
1516 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1517 for TARGET_SH3E.
1519 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1521 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1522 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1524 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1526 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1527 (flag_short_double, flag_short_wchar): Define.
1528 (c_common_nodes_and_builtins): Create many tree nodes shared
1529 between C and C++ here instead of in cp/decl.c and ...
1530 * c-decl.c (init_decl_processing): ... here.
1531 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1532 (flag_short_double, flag_short_wchar): Don't define.
1533 (record_builtin_type): New function.
1534 (build_void_list_node): New function.
1535 * c-common.h (flag_short_double, flag_short_wchar,
1536 record_builtin_type, build_void_list_node): Declare.
1538 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1540 * integrate.c (expand_inline_function): Don't put a virtual
1541 register into the reg map.
1543 * function.c (fixup_var_refs_1): If force_operand didn't put
1544 the address into the target, move it there.
1546 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1548 Special-case tree_decl/tree_list allocations.
1549 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1550 (OBJECT_SIZE): New macro.
1551 (NUM_EXTRA_ORDER): Likewise.
1552 (extra_order_size_table): New variable.
1553 (NUM_ORDERS): New macro.
1554 (objects_per_page_table): New variable.
1555 (object_size_table): New variable.
1556 (G.pages): Use NUM_ORDERS to bound the array.
1557 (G.page_tails): Likewise.
1558 (DIV_ROUND_UP): Remove.
1559 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1560 (alloc_page): Use OBJECT_SIZE.
1561 (size_lookup): Don't make it const.
1562 (ggc_alloc): Use OBJECT_SIZE.
1563 (ggc_set_mark): Likewise.
1564 (ggc_get_size): Likewise.
1565 (init_ggc): Set up the object_size_table, objects_per_page_table,
1566 and adjust size_lookup.
1567 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1568 (ggc_pop_context): Use NUM_ORDERS.
1569 (clear_marks): Likewise.
1570 (sweep_pages): Likewise.
1571 (poison_pages): Likewise.
1572 (ggc_print_statistics): Use OBJECT_SIZE.
1574 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1576 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1577 Only call array_size_for_constructor if last field and array type
1578 with no upper bound.
1580 2001-01-04 Philip Blundell <philb@gnu.org>
1582 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1583 from bit 31 downwards, if this requires no more insns.
1584 (count_insns_for_constant): New helper function for above.
1586 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1588 * gencodes.c (output_predicate_decls): Remove empty initializer.
1590 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1592 * tree.c (copy_node): Remove documentation about obstacks.
1593 (buidl1): Check that nobody tries to build 2-argument nodes this
1594 way.
1596 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1598 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1599 fp_high_losum_p.
1601 * gencodes.c (output_predicate_decls): Fill empty initializer
1602 braces.
1604 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1606 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1607 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1608 or -MM.
1609 (do_include): Handle missing headers like cpp0.
1610 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1611 paths with first include pathname. Don't strcat to uninitialized
1612 string.
1614 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1616 * regrename.c (regrename_optimize): Don't rename from frame pointer
1617 if frame_pointer_needed.
1618 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1619 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1620 (ia64_reorg): Use it instead of scheduling if ! optimize.
1621 (errata_emit_nops): Properly call asm_noperands.
1622 (ia64_sched_reorder): Finish cycle if we see an asm.
1623 (ia64_variable_issue): Clear scheduling state after asms.
1625 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1627 * cpp.texi: Update for -MT.
1628 * cppinit.c (initialize_dependency_output): Add a default
1629 target if none has been given already.
1630 (no_tgt, OPT_MT): New.
1631 (cpp_handle_option): Handle -MT. Update -M etc.
1632 * cpplib.h (struct cpp_options): Remove deps_target.
1633 * gcc.c (cpp_options): Handle -MT.
1634 * mkdeps.c (struct deps): Move from mkdeps.h.
1635 (deps_calc_target): Rename deps_add_default_target. Add a
1636 default target if none has been specified already.
1637 * mkdeps.h (struct deps): Move to mkdeps.c.
1638 (deps_calc_target): Rename deps_add_default_target.
1640 2000-01-03 Richard Henderson <rth@redhat.com>
1642 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1643 Remove dead code.
1644 * c-typeck.c (push_init_level): Move checks for flexible array
1645 members and zero length arrays ...
1646 (pop_init_level): ... here. Silently discard empty initializations.
1647 Remove dead code.
1648 * varasm.c (output_constructor): Update for sizeof change to
1649 zero-length arrays.
1651 * extend.texi (Zero Length): Clarify semantics.
1653 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1655 * configure.in (tm.h): Include isns-codes.h last.
1656 * configure: Rebuilt.
1658 2001-01-03 Richard Henderson <rth@redhat.com>
1660 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1661 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1663 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1665 * tradcpp.c (main): Make sure finclude() is called with a valid
1666 indepth value while handling -include.
1668 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1670 * gencodes.c (output_predicate_decls): New function.
1671 (main): Call it.
1672 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1673 even if it is not the first time machmode.h is #included.
1674 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1675 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1676 * gcc.texi (Copyright): Added 2001.
1678 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1680 * c-common.c (c_common_lang_init): New function. Warn if format
1681 warning options which only have effects when used with -Wformat
1682 are used without -Wformat.
1683 * c-common.h (c_common_lang_init): Declare.
1684 * c-lang.c (lang_init): Call c_common_lang_init.
1685 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1687 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1689 * configure.in: Check for the mktemp command.
1690 * configure: Regenerate.
1691 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1692 $TEMP. Create temporary files with mktemp, if available at
1693 configure time; otherwise use set -C. Remove temporary files
1694 before exit.
1696 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1698 * configure.in: Require at least texinfo 4.0. Check for whether
1699 Pod::Man is sufficiently recent to regenerate GCC manpages.
1700 * configure: Regenerate.
1701 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1702 on #!.
1703 (GENERATED_MANPAGES): Define.
1704 (generated-manpages): New target. Depend on cpp.1 as well as
1705 gcov.1.
1706 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1707 configure to generated-manpages or empty) rather than on the
1708 manpages directly. Remove execute permission from installed
1709 gcov.1 as well as cpp.1.
1710 * cpp.1, gcov.1: Regenerate.
1712 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1714 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1715 tree_low_cst. Allow using cmpstrsi in more cases.
1717 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1719 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1720 sized types.
1722 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1724 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1725 * Makefile.in (HOST_CFLAGS): Mention build-make.
1727 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1729 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1730 as JUMP_INSN.
1732 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1734 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1735 a REG rtx.
1737 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1738 callers changed.
1740 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1741 reg_base_value and reg_known_value arrays.
1742 (init_alias_analysis): Add more cases to detect known values.
1743 * sched-deps.c (deps_may_trap_p): New function.
1744 (sched_analyze_2): Use it.
1746 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1748 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1749 don't discard an ASHIFTRT if we're shifting in a wider mode.
1751 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1753 * toplev.c (rest_of_compilation): Don't print basic block information
1754 when CFG isn't up to date.
1756 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1758 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1759 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1760 (UNALIGNED_SHORT_ASM_OP): Define.
1761 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1763 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1765 * fold-const.c (fold_convert): Fix typo.
1767 2001-01-02 Richard Henderson <rth@redhat.com>
1769 * c-common.h (ASM_INPUT_P): New.
1770 * c-parse.in (asm): Set it when needed.
1771 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1772 existance of an operand.
1774 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1776 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1777 (dwarf2out_frame_debug_expr): Likewise.
1778 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1780 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1782 * i386.c (ix86_split_to_parts): Return number of part required;
1783 handle TFmodes.
1784 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1785 TFmodes.
1786 (ix86_split_long_move): Use number of part returned
1787 by ix86_split_to_parts
1788 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1789 New macros.
1790 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1791 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1792 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1793 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1794 (ALIGN_MODE_128): Add TFmode.
1795 (IS_STACK_MODE): Likewise.
1796 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1797 (HARD_REGNO_OK): Support TFmodes.
1798 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1799 * i386.md (scheduler definitions): Use memory operand to determine
1800 fst/fld instructions; use mode attribute to determine real mode of
1801 the instruction.
1802 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1803 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1805 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1807 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1809 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1811 * expr.c (store_constructor_field): Update ALIGN before calling
1812 store_constructor.
1814 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1816 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
1817 host_integerp.
1819 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1821 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
1822 incomplete type.
1824 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1826 * c-decl.c (start_function): Don't warn on third parameter to main.
1828 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1830 * tsystem.h: Define HAVE_DECL_GETOPT.
1832 2001-01-02 Philip Blundell <pb@futuretv.com>
1834 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
1835 of input operand.
1837 2001-01-02 Richard Henderson <rth@redhat.com>
1839 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
1841 2001-01-02 Andreas Jaeger <aj@suse.de>
1843 * c-decl.c (c_decode_option): Remove support of
1844 -Wmissing-noreturn.
1846 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
1847 (W_options): Add -Wmissing-noreturn here.
1849 * flow.c: Define lang_missing_noreturn_ok_p.
1850 (check_function_return_warnings): Use it.
1852 * c-common.h: Declare lang_missing_noreturn_ok_p.
1854 * c-lang.c (c_missing_noreturn_ok_p): New function.
1855 (lang_init): Set lang_missing_noreturn_ok_p.
1857 * invoke.texi (Warning Options): Document this.
1859 2000-12-27 Phil Edwards <pme@sources.redhat.com>
1861 * extend.texi (C++ Extensions): New node for C++ attributes;
1862 describe init_priority and com_interface.
1863 * invoke.texi: Remove -finit-priority as it now has zero effect.
1864 * install.texi: Fix xref syntax.
1865 * md.texi: Likewise.
1867 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1869 * config.gcc (sparc64-wrs-vxworks*): New case.
1870 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
1872 * config/sparc/sparc.c (sparc_override_options): Do support different
1873 pointer and architecture size.
1874 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
1875 (POINTERS_EXTEND_UNSIGNED): Define.
1876 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
1877 (FUNCTION_MODE): Define to be Pmode.
1878 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
1880 * function.c (expand_function_end): Properly handle DECL_RESULT
1881 and copy when ptr_mode != Pmode.
1882 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
1884 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1886 * c-common.c (c_common_nodes_and_builtins): Set prototype
1887 parameters for __builtin_fputs, __builtin_fputc and
1888 __builtin_fwrite. Don't declare plain fputc as a builtin.
1890 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1892 * loop.c (add_label_notes): Increment the label usage count when
1893 a note is added to an insn which refers to a CODE_LABEL.
1894 * gcse.c (add_label_notes): Likewise.
1896 2001-01-01 Andreas Jaeger <aj@suse.de>
1898 * loop.c (scan_loop): Use xmalloc to allocate movables.
1900 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
1902 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
1903 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
1904 * reload1.c (REGISTER_MOVE_COST): Likewise.
1905 * regclass.c (REGISTER_MOVE_COST): Likewise.
1906 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
1907 dimension. Adjust all users.
1908 (init_reg_sets_1): Iterate on all modes.
1909 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
1910 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
1911 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
1912 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
1913 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
1914 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
1915 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
1916 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
1917 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
1918 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
1919 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
1920 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
1921 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
1922 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
1923 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
1924 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
1925 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
1926 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
1927 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
1928 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
1929 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
1930 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
1931 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
1932 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
1933 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
1934 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
1935 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
1937 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1939 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
1940 arg VARIES_P. Call it with extra arg.
1941 (true_dependence): Likewise.
1942 * rtl.h (rtx_addr_can_trap_p): Declare.
1943 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
1944 prototypes.
1945 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
1946 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
1947 pic offset table register if it's zero. All callers changed.
1948 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
1950 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1952 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
1953 STRING_POOL_ADDRESS_P.
1955 * config/sparc/sparc.c (input_operand): Properly test for short op.
1957 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
1958 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
1959 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
1960 * config/sparc/elf.h: No longer include sol2.h.
1961 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
1962 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
1964 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
1966 2001-01-01 Michael Hayes <mhayes@redhat.com>
1968 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
1969 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
1970 (record_initial): Likewise.
1971 * unroll.c (copy_loop_body, loop_iterations): Likewise.
1972 (remap_split_bivs): Likewise.
1974 2001-01-01 Michael Hayes <mhayes@redhat.com>
1976 * loop.c (loop_ivs_free): New function.
1977 (strength_reduce): Break out from...
1979 2001-01-01 Michael Hayes <mhayes@redhat.com>
1981 * loop.h (struct iv): New.
1982 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
1983 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
1984 'reg_biv_class' fields with 'regs' and 'n_regs'.
1985 (struct ivs): Rename 'loop_iv_list' field to 'list'.
1986 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
1987 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
1989 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
1991 * resource.c (mark_referenced_resources): Abort() before
1992 attempting to mark a pseudo register.
1993 (mark_set_resources): Likewise.
1995 2001-01-01 Michael Hayes <mhayes@redhat.com>
1997 * loop.h (REG_IV_CLASS): New accessor macro.
1998 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
1999 * unroll.c (REG_IV_CLASS): Likewise.
2001 See ChangeLog.4 for earlier changes.