1 2006-08-02 Jan Hubicka <jh@suse.cz>
4 * tree-cfg.c (change_bb_for_stmt): New function.
5 (tree_merge_blocks, tree_split_blocks): Use it.
7 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13 * toplev.c (compile_file): Return early on errorcount or sorrycount.
14 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
15 (cgraph_optimize): Likewise.
17 2006-08-01 Stuart Hastings <stuart@apple.com>
19 * rtl.h (UINTVAL) New.
20 * config/rs6000/rs6000.c (SMALL_INT) Use it.
21 * testsuite/gcc.dg/20060801-1.c: New.
23 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
26 * c-typeck.c (build_external_type): Mark used enum types.
27 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
29 (gen_subprogram_die): Whitespace fix.
31 2006-08-01 Jan Hubicka <jh@suse.cz>
33 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
34 bitmap when not needed.
35 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
38 2006-08-01 Dirk Mueller <dmueller@suse.de>
40 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
42 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
44 * Makefile.in: Revert part of previous patch:
45 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
48 2006-07-30 Eric Christopher <echristo@apple.com>
51 * doc/extend.texi (i386 Variable Attributes): Add anchor.
52 (PowerPC Variable Attributes): New section.
54 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
56 PR target/28126 (partial fix)
57 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
59 2006-07-28 Jan Hubicka <jh@suse.cz>
61 PR rtl-optimization/28071
62 * cfgrtl.c (rtl_delete_block): Free regsets.
63 * flow.c (allocate_bb_life_data): Re-use regsets if available.
65 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
67 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
68 and variables used in dependencies.
70 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
72 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
73 %fs for -mcmodel=kernel.
74 (stack_tls_protect_test_di): Likewise.
76 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
78 * Makefile.in: Use mkinstalldirs.
80 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
83 * opts-common.c (prune_options): Skip joined switches.
85 2006-07-27 Jan Hubicka <jh@suse.cz>
87 PR rtl-optimization/28071
88 * cselib.c (cselib_process_insn): Don't remove useless values too
89 often for very large hashtables.
91 2006-07-27 Jan Hubicka <jh@suse.cz>
93 PR rtl-optimization/28071
94 * global.c (greg_obstack): New obstack.
95 (allocate_bb_info): Use it.
96 (free_bb_info): Likewise.
97 (modify_reg_pav): Likewise.
99 2006-07-27 Roger Sayle <roger@eyesopen.com>
101 * builtins.c (fold_fixed_mathfn): When long and long long are the
102 same size, canonicalize llceil*, llfloor*, llround* and llrint*
103 functions to their lceil*, lfloor*, lround* and lrint* forms.
105 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
108 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
110 (rev_branch_insn): Likewise.
112 2006-07-27 Jan Hubicka <jh@suse.cz>
114 PR rtl-optimization/28071
115 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
116 (reg_set_in_bb, max_reg_computed): New static variables.
117 (regmove_optimize): Free the new array.
118 (fixup_match_1): Update call of reg_is_remote_constant_p.
120 2006-07-26 Jan Hubicka <jh@suse.cz>
122 PR tree-optimization/27882
123 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
125 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
127 (cgraph_analyze_compilation_unit): Likewise.
128 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
129 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
130 (cgraph_early_inlinine): Make order garbage collected.
131 * Makefile.in (gt-ipa-inline): New garbagecollected file.
133 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
135 * dbxout.c (output_types_sort): Add a comment.
136 (output_used_types): Free the VEC.
138 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
140 * function.c (reorder_fix_fragments): Delete.
141 (reorder_blocks): Don't call it.
142 (reorder_blocks_1): Put all subblocks under the origin block.
144 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
146 PR rtl-optimization/27907
147 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
150 2006-07-25 Roger Sayle <roger@eyesopen.com>
153 * convert.c (convert_to_integer): When transforming (T)foo(x) into
154 bar(x) check that bar's result type can represent all the values of T.
156 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
158 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
160 2006-07-25 Nick Clifton <nickc@redhat.com>
162 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
164 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
165 (ggc_pch_count_object): Likewise.
166 (ggc_pch_alloc_object): Likewise.
167 (ggc_pch_write_object): Likewise.
168 (init_ggc): Do not attempt to initialize entries in the
169 size_lookup[] array for objects whose size is greater than than
170 the length of the array.
172 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
174 * dbxout.c (output_used_types_helper): Push queued types
176 (output_types_sort): New.
177 (output_used_types): Collect used types on a VEC and sort them
180 2006-07-24 Richard Guenther <rguenther@suse.de>
183 * cgraph.c (cgraph_remove_node): Do not check if dumps
185 * cgraphunit.c (cgraph_optimize): Likewise.
187 2006-07-24 Jan Hubicka <jh@suse.cz>
189 PR rtl-optimization/28071
190 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
191 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
192 splitting before first stmt.
194 2006-07-24 Jan Hubicka <jh@suse.cz>
196 PR rtl-optimization/28071
197 * ipa-inline.c (update_caller_keys): Remove edges that
198 are no longer inline candidates.
200 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
203 * dbxout.c (output_used_types_helper, output_used_types): New.
204 (dbxout_symbol): Call output_used_types.
206 2006-07-23 Jan Hubicka <jh@suse.cz>
210 * cgraph.c (cgraph_varpool_nodes): Export.
211 (decide_is_variable_needed): Ignored "used" attribute in
213 * cgraph.h (cgraph_varpool_nodes): Declare.
214 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
217 2006-07-23 Roger Sayle <roger@eyesopen.com>
220 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
221 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
222 the __gthrw form of thr_keycreate.
223 (__gthread_key_delete): Silence the unused argument warning.
225 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
228 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
229 Cache the last found '\0' marker to avoid quadratic behavior.
231 2006-07-23 Jan Hubicka <jh@suse.cz>
233 * i386.md (subsi_3_zext): Fix output template.
235 2006-07-21 Mike Stump <mrs@apple.com>
237 * doc/invoke.texi (C++ Dialect Options): Note that
238 -fvisibility-inlines-hidden doesn't affect explicitly
239 instantiationed inline methods.
241 2006-07-20 Roger Sayle <roger@eyesopen.com>
243 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
244 if the target assembler is GNU binutils' gas.
245 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
246 whether to pass GNU gas or native as command line options.
248 2006-07-20 Jason Merrill <jason@redhat.com>
250 * tree.c (remove_attribute): New fn.
251 * tree.h: Declare it.
253 2006-07-20 Paul Brook <paul@codesourcery.com>
256 * cse.c (cse_insn): Add destination addresses to hash table. Check if
257 they are invalidated by this instruction.
259 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
262 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
264 2006-07-20 Eric Christopher <echristo@apple.com>
267 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
269 2006-07-19 Eric Christopher <echristo@apple.com>
271 * config/t-slibgcc-darwin (stmp-lipo): Remove.
272 Rewrite dependencies for libgcc_s.1.dylib.
274 2006-07-19 Jakub Jelinek <jakub@redhat.com>
276 * except.c (duplicate_eh_regions_1): Clear next_peer.
278 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
280 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
281 -mlongcall does not guarantee all calls will be long.
282 * doc/extend.texi (long_call/short_call): Document that longcall
283 does not guarantee a long call will be used.
284 (longcall/shortcall): Likewise.
286 2006-07-18 Roger Sayle <roger@eyesopen.com>
289 * expmed.c (expand_shift): Additionally check that the shift_cost
290 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
291 before implementing a LSHIFT_EXPR as a sequence of additions.
292 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
293 middle-end that DImode shifts need to be synthesized by expand.
295 2006-07-18 Diego Novillo <dnovillo@redhat.com>
298 * tree-ssa-operands.c (access_can_touch_variable): Update
300 Return true if ALIAS is .GLOBAL_VAR.
302 2006-07-18 David Daney <ddaney@avtrex.com>
304 * gcc.c (display_help): Fix typo in help text.
306 2006-07-18 Olivier Hainque <hainque@adacore.com>
308 * tree.h (categorize_ctor_elements): Adjust prototype and add
309 descriptive comment, both in accordance with the interface change
311 * varasm.c (constructor_static_from_elts_p): New function.
312 Whether a constructor node is a valid static constant initializer
313 if all its elements are.
314 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
315 * output.h: Declare it.
316 * expr.c (categorize_ctor_elements_1): Return whether the constructor
317 is a valid constant initializer instead of computing the number of
318 non-constant elements. Use constructor_static_from_elts_p for this
319 purpose. Replace the head comment with an indication that this is a
320 helper for categorize_ctor_elements.
321 (categorize_ctor_elements): Same interface change as for the _1
322 helper. Former head comment from this helper moved here, adjusted to
323 account for the interface changes.
324 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
325 (all_zeros_p): Likewise.
326 * gimplify.c (gimplify_init_constructor): Decide whether we can make
327 static versions of the constructor from the categorize_ctor_elements
328 return value instead of the formerly computed number of non-constant
331 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
333 * configure: Regenerate.
334 * Makefile.in (build_libsubdir): New configure substitution
335 (build_libobjdir): New variable.
336 (BUILD_LIBIBERTY): Use it.
338 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
341 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
343 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
346 * c-common.c (handle_weakref_attribute): Ignore attribute in
347 the same conditions the alias attribute is ignored.
349 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
351 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
352 (dbxout_begin_prologue): Increment scope_labelno.
354 2006-07-17 Richard Henderson <rth@redhat.com>
357 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
360 2006-07-17 Roger Sayle <roger@eyesopen.com>
361 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
363 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
364 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
365 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
366 functions such as sbrk, write, etc.. Add function prototypes.
367 Convert function declarations from K&R to ISO C. Cast pointers
368 to "long" and "unsigned long" instead of "int" and "unsigned int".
369 Convert tokens following #endif into comments.
371 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
373 * invoke.texi: Remove mention of f77; Reformat table for
374 inline parameter options correctly; mention that -malign-double
375 is default on x86-64 targets.
377 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
379 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
380 (convert_affine_scev, chrec_convert_aggressive): Use
381 avoid_arithmetics_in_type_p. Do not check for the subtypes
384 2006-07-17 Richard Sandiford <richard@codesourcery.com>
387 * optabs.c (expand_doubleword_shift): Wrap the call to
388 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
390 2006-07-17 Richard Sandiford <richard@codesourcery.com>
393 * optabs.c (expand_binop): Pass next_methods rather than methods
394 to expand_doubleword_shift.
396 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
399 * tree.h (dump_addr): Declare.
400 * print-tree.c (dump_addr): New function.
401 (print_node_brief, print_node): Use it.
402 * print-rtl.c (print_rtx): Likewise.
403 * common.opt (-fdump-noaddr): New option.
404 * doc/invoke.texi (-fdump-noaddr): Document.
405 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
406 (ve_info_hash): Likewise.
408 2006-07-13 Andrew Haley <aph@redhat.com>
410 PR tree-optimization/19505
411 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
412 edge leaving this block, make sure that the destination of this
413 block has only one predecessor.
415 2006-07-17 Richard Guenther <rguenther@suse.de>
417 PR tree-optimization/28238
418 * tree-inline.c (copy_bb): Check if we produced valid
419 gimple copying and substituting a stmt. If not, gimplify
422 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
424 * optabs.c (maybe_encapsulate_block): New function extracted from...
425 (emit_libcall_block): ...here. Invoke it on the block of insns to
426 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
427 (emit_no_conflict_block): Likewise.
429 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
431 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
433 2006-07-15 Roger Sayle <roger@eyesopen.com>
435 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
436 a new NOP_EXPR case of the switch statement.
438 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
441 * stor-layout.c (place_field): Take the bit field with
442 an excessive size into account in the ms-bitfiled case.
445 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
446 the previous bit field.
448 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
451 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
453 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
455 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
456 signal frames correctly even when the signal was installed with
459 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
461 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
462 (dbxout_function_end): Use local label LFBB. Remove hook
464 (dbxout_source_line): Use local label LFBB.
465 (dbxout_block): Likewise.
466 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
467 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
468 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
471 2006-07-13 Janis Johnson <janis187@us.ibm.com>
473 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
475 2006-07-13 Jan Hubicka <jh@suse.cz>
477 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
479 * output.h (align_variable): Declare.
480 * varasm.c (align_variable): Export.
481 * value-prof.c (tree_value_profile_transformations): Recompute iterator
482 when basic block changed.
484 2006-07-13 Nick Clifton <nickc@redhat.com>
486 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
487 walking the LOG_LINKS chain.
489 2006-07-12 Geoffrey Keating <geoffk@apple.com>
491 * doc/invoke.texi (C++ Dialect Options): Explain difference
492 between -fvisibility-inlines-hidden and setting hidden
493 visibility explicitly.
495 2006-07-12 Eric Christopher <echristo@apple.com>
497 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
498 (stmp-lipo): Depend on libgcc.a.
500 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
502 * tree.c: Fix a comment typo.
504 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
506 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
508 (umulhisi3_r): Likewise.
510 2006-07-12 Paolo Carlini <pcarlini@suse.de>
513 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
514 x < 19, vs wchar_t support.
516 2006-07-12 Nick Clifton <nickc@redhat.com>
518 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
521 2006-07-12 Mike Stump <mrs@apple.com>
523 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
525 2006-07-10 Eric Christopher <echristo@apple.com>
527 * config/t-slibgcc-darwin: Rewrite.
529 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
532 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
535 2006-07-08 Matthias Klose <doko@debian.org>
537 * doc/sourcebuild.texi: Fix typo.
539 2006-07-07 Mike Stump <mrs@apple.com>
541 * toplev.c (process_options): Don't give -ffunction-sections may
542 affect debugging warning for Mach-O.
544 2006-07-07 James E Wilson <wilson@specifix.com>
546 * config/mips/mips.md (cpu): Add sb1a.
547 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
548 addition to sb1. Adjust comments to clarify SB-1A differences from
550 (ir_sb1a_load): New. Modify bypasses to use it.
551 (ir_sb1a_simple_alu): Likewise.
552 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
553 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
554 (mips_issue_rate): Add PROCESSOR_SB1A.
555 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
556 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
557 (TARGET_SB1): Add PROCESSOR_SB1A check.
558 (TUNE_SB1): Likewise.
560 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
561 * config/mips/mips.c (mips_store_data_bypass_p): New.
562 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
565 2006-07-08 Paul Brook <paul@codesourcery.com>
568 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
570 2006-07-07 Richard Guenther <rguenther@suse.de>
573 * tree.h (build_one_cst): Declare.
574 * tree.c (build_one_cst): New function.
575 * tree-ssa-math-opts.c (get_constant_one): Remove.
576 (insert_reciprocals): Use build_one_cst.
577 * fold-const.c (fold_plusminus_mult): Likewise.
579 2006-07-07 Roger Sayle <roger@eyesopen.com>
581 * pointer-set.c (pointer_set_destroy): Correct whitespace.
582 * cfgloopanal.c (dump_graph): Likewise.
583 * dojump.c (discard_pending_stack_adjust): Likewise.
584 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
586 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
587 * function.c (finalize_block_changes): Likewise.
588 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
589 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
590 * rtl.c (dump_rtx_statistics): Likewise.
591 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
593 * varray.c (dump_varray_statistics): Likewise.
594 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
595 decode_decimal64, encode_decimal128, decode_decimal128,
596 decimal_real_to_decimal): Likewise.
598 2006-07-07 Richard Guenther <rguenther@suse.de>
600 PR tree-optimization/28187
601 * tree-vrp.c (vrp_operand_equal_p): New function.
602 (vrp_bitmap_equal_p): Likewise.
603 (update_value_range): Use them to compare old and new
606 2006-07-06 Roger Sayle <roger@eyesopen.com>
608 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
609 a default case to switch statement to silence compiler warnings.
611 2006-07-06 Roger Sayle <roger@eyesopen.com>
614 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
615 the configured assembler supports the x87's ffreep mnemonic.
616 * configure: Regenerate.
617 * config.in: Regenerate.
619 * config/i386/i386.c (output_387_ffreep): New function.
620 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
621 (output_387_reg_move): Likewise.
623 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
625 Port to hosts whose 'sort' and 'tail' implementations
626 treat operands with leading '+' as file names, as POSIX
627 has required since 2001. However, make sure the code still
628 works on pre-POSIX hosts.
629 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
630 which says you should use "tail -c +N" rather than "tail +Nc".
631 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
633 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
635 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
638 2006-07-06 David Edelsohn <edelsohn@gnu.org>
641 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
642 PRE_{INC,DEC} of TFmode.
644 2006-07-06 David Edelsohn <edelsohn@gnu.org>
645 Alan Modra <amodra@bigpond.net.au>
648 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
651 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
654 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
655 Remove duplicate gtu.
657 2006-07-05 Jason Merrill <jason@redhat.com>
661 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
662 * c-common.c (handle_packed_attribute): So don't copy it here.
663 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
665 2006-07-05 Mike Stump <mrs@apple.com>
667 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
669 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
672 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
674 2006-07-05 Richard Guenther <rguenther@suse.de>
677 * config/i386/i386.md (*negdf2_1): Restrict pattern to
678 TARGET_SSE2 targets if using SSE math.
679 (*absdf2_1): Likewise.
681 2006-07-05 Richard Guenther <rguenther@suse.de>
683 PR tree-optimization/28162
684 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
685 make sure to convert the operands to the correct type.
687 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
689 PR tree-optimization/28218
691 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
692 to calculate and free the dominator information.
694 2006-07-04 Peter O'Gorman <peter@pogma.com>
696 * mklibgcc.in: chmod 644 before ranlib during install.
698 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
699 J"orn Rennecke <joern.rennecke@st.com>
701 * configure.ac (.eh_frame data check): Use diff -b.
703 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
706 * Makefile.in (BUILD_RTL): Add build/vec.o.
707 (build/gencondmd.o): Filter out -fkeep-inline-functions.
708 (build/genextract): Delete.
709 (build/genautomata): Likewise.
711 2006-07-04 Alan Modra <amodra@bigpond.net.au>
714 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
715 128-bit IBM long doubles for ABI_V4.
717 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
719 * tree.c (range_in_array_bounds_p): New predicate.
720 * tree.h (range_in_array_bounds_p): Declare it.
721 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
722 return a less conservative answer.
723 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
725 (IS_ELEMENT_FOR_GROUP): New macro.
726 (FOR_EACH_ACTUAL_CHILD): Likewise.
727 (next_child_for_group): New helper function.
728 (can_completely_scalarize_p): Take into account groups.
729 (sra_hash_tree): Handle RANGE_EXPR.
730 (sra_elt_eq): Likewise.
731 (lookup_element): Be prepared for handling groups.
732 (is_valid_const_index): Delete.
733 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
734 instead of is_valid_const_index.
735 <ARRAY_RANGE_REF>: New case.
736 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
737 is_valid_const_index.
738 <ARRAY_RANGE_REF>: Do not unconditionally punt.
739 (scan_dump): Dump info for groups too.
740 (decide_instantiation_1): Likewise.
741 (decide_block_copy): Assert that the element is not a group.
742 Propagate decision to groups.
743 (generate_one_element_ref): Handle RANGE_EXPR.
744 (mark_no_warning): Iterate over actual childs.
745 (generate_copy_inout): Likewise.
746 (generate_element_copy): Likewise.
747 (generate_element_zero): Likewise.
748 (generate_element_init_1): Likewise.
749 (dump_sra_elt_name): Handle RANGE_EXPR.
751 2006-07-03 Roger Sayle <roger@eyesopen.com>
753 PR tree-optimization/26251
754 * tree-ssa-threadupdate.c (redirection_block_p): New function.
755 (thread_block): When optimizing for size refuse to thread jumps
756 that would require duplication of blocks other than redirection
759 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
761 * configure.ac: Fix thinko in previous check-in.
762 * configure: Regenerate.
764 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
767 * configure.ac (for lang...): Simplify nesting of conditionals.
768 Test subdir_requires for non-enabled languages. Move processing
769 of lang_opt_files and lang_tree_fiels below that test.
770 * configure: Regenerate.
771 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
773 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
775 * doc/gcov.texi (Invoking Gcov): Add a missing word.
777 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
779 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
782 2006-06-29 Jason Merrill <jason@redhat.com>
789 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
790 * c-common.c (c_determine_visibility): Handle it here.
791 * c-decl.c (finish_decl): Call c_determine_visibility for
793 * flags.h (enum symbol_visibility): Sort from most to least visibility.
795 * varasm.c (default_assemble_visibility): Likewise.
796 * c-common.c (handle_visibility_attribute): Complain about trying
797 to give visibility to an already defined class, or trying to change
798 declared visibility. Always attach the attribute.
803 * attribs.c (decl_attributes): Ignore type-in-place attributes
804 once the type has been defined.
806 2006-06-29 Roger Sayle <roger@eyesopen.com>
809 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
810 to indicate the cpplib has issued an error message for us.
812 2006-06-29 Asher Langton <langton2@llnl.gov>
815 * config/i386/i386.c (ix86_output_function_epilogue): Don't
816 insert a label at the end of an function under Mach-O.
818 2006-06-29 Eric Christopher <echristo@apple.com>
819 Evan Cheng <evan.cheng@apple.com>
821 * predicates.md (vector_all_ones_operand): New.
822 (nonimmediate_or_sse_const_operand): Ditto.
823 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
824 * config/i386/i386.c (standard_sse_constant_opcode): Define.
825 (standard_sse_mode_p): Ditto.
826 (standard_sse_constant_p): Add case for -1 vector.
827 (ix86_expand_vector_move): Try to use.
828 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
829 Call standard_sse_constant_opcode.
830 (*movv4sf_internal): Ditto.
831 (*movv2df_internal): Ditto.
833 2006-06-29 Roger Sayle <roger@eyesopen.com>
835 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
836 of XEXP to extract the operands of a MATCH_CODE rtx.
838 2006-06-28 Andrew Pinski <pinskia@gmail.com>
840 * tree.c (tree_size): Do not waste tail padding in
841 struct tree_string and make the size be the same as
842 build_string will generate.
844 2006-06-28 Jason Merrill <jason@redhat.com>
847 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
848 may_aliases already in the tag's annotations to the bitmap.
850 2006-06-28 Roger Sayle <roger@eyesopen.com>
852 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
854 2006-06-28 Roger Sayle <roger@eyesopen.com>
856 * genpreds.c (generate_switch_p): New function.
857 (add_mode_tests): Push the new mode test down inside an AND expr
858 if this allows the switch-suitable MATCH_CODE to be near the root.
859 (write_match_code_switch): New function to write a MATCH_CODE as
861 (write_predicate_stmts): New function to write a predicate RTX
862 expression as a sequence of statements.
863 (write_one_predicate_function): Use write_predicate_stmts.
864 (write_tm_constrs_h): Likewise.
866 2006-06-26 Fred Fish <fnf@specifix.com>
868 * config/mips/t-sb1: New file.
869 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
872 2006-06-26 DJ Delorie <dj@redhat.com>
874 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
876 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
877 Jayant Sonar <jayants@kpitcummins.com>
878 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
880 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
881 (subsi3, subsi3_1, subsi3_2): New.
882 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
883 * config/m32c/mov.md (SI mov peephole): New.
884 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
885 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
887 2006-06-26 Olivier Hainque <hainque@adacore.com>
889 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
890 a CALL_EXPR target function declaration.
892 2006-06-26 Richard Guenther <rguenther@suse.de>
894 * tree.c (build_string): Do not waste tail padding in
897 2006-06-26 Richard Guenther <rguenther@suse.de>
899 * ggc-page.c (init_ggc): Add missing element to size_lookup
903 2006-06-23 Richard Guenther <rguenther@suse.de>
905 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
906 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
907 alignment requests instead. Add verification code.
908 Add struct tree_function_decl and struct tree_binfo size to
909 extra_order_size_table. Add missing element to size_lookup
912 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
915 * fold-const.c (const_binop): Be prepared for self returning zero.
916 Simplify code handling complex values.
918 2006-06-24 Olivier Hainque <hainque@adacore.com>
920 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
921 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
924 2006-06-24 Olivier Hainque <hainque@adacore.com>
926 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
927 ARRAY_REF, so have the callback called for the low bound expression.
929 2006-06-23 Janis Johnson <janis187@us.ibm.com>
931 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
932 * c-typeck.c (c_common_type): Disallow operations on decimal float
933 types and other float types.
934 * convert.c (convert_to_real): Don't ignore conversions involving
937 2006-06-23 Olivier Hainque <hainque@adacore.com>
939 * tree.c (max_int_size_in_bytes): New function, inspired from
940 code in function.c:assign_temp.
941 * tree.h (max_int_size_in_bytes): Declare.
942 * function.c (assign_temp): Use it.
943 * gimplify.c (create_tmp_var): Relax the assertions on the type
944 properties, not mandating constant size any more.
945 (force_constant_size): New static function.
946 (gimple_add_tmp_var): Use it, forcing variable size to a
947 constant upper bound if it is not constant on entry.
949 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
952 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
953 for initialization and setting of one_only flag to ...
954 (i386_pe_encode_section_info): ...here.
955 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
956 Recheck that the symbol has not been defined.
958 2006-06-23 Richard Guenther <rguenther@suse.de>
960 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
961 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
962 alignment requests instead. Add verification code.
963 Add struct tree_function_decl and struct tree_binfo size to
964 extra_order_size_table. Add missing element to size_lookup
967 2006-06-22 Roger Sayle <roger@eyesopen.com>
968 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
971 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
972 call to lang_hooks.types.type_for_mode returned NULL_TREE.
974 2006-06-23 Ben Elliston <bje@au.ibm.com>
976 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
977 negate dn -- manipulate it directly.
979 2006-06-22 Roger Sayle <roger@eyesopen.com>
980 Steven Bosscher <stevenb.gcc@gmail.com>
983 * reload1.c (gen_reload): Call mark_jump_label on the new insns
984 generated by gen_move_insn to add REG_LABEL notes if necessary.
986 2006-06-22 Bob Wilson <bob.wilson@acm.org>
988 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
989 (leaf_entry): Remove use of MIN_ESA.
991 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
993 PR rtl-optimization/28121
994 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
997 2006-06-21 DJ Delorie <dj@redhat.com>
999 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1001 (mulhisi3_r): Likewise.
1003 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1006 * coverage.c (coverage_counter_alloc): Leave the index type
1008 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1011 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1013 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1014 section from the "Options for Code Generation Conventions".
1016 2006-06-21 Richard Henderson <rth@redhat.com>
1020 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1022 (global_symbolic_operand): Allow weak symbols, even if local_p.
1024 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1026 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1027 (find_interesting_uses_address): Punt if above function returns true.
1029 2006-06-21 Richard Guenther <rguenther@suse.de>
1031 * configure: Regenerated.
1033 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1035 * config/mips/mips.c (function_arg): Where one part of a
1036 complex argument is in registers and the other part in the stack,
1037 return a REG not a PARALLEL.
1039 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1041 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1042 when cross-compiling. Do not substitute libstdcxx_incdir.
1043 * configure: Regenerated.
1045 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1047 * varasm.c (mergeable_string_section): Check for embedded NULs and
1048 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1049 rather than TREE_STRING_LENGTH bytes.
1051 2006-06-21 Richard Guenther <rguenther@suse.de>
1053 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1054 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1057 2006-06-21 Richrad Guenther <rguenther@suse.de>
1059 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1060 Limit iteration over the dominators.
1062 2006-06-20 Roger Sayle <roger@eyesopen.com>
1064 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1065 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1067 2006-06-20 Richard Guenther <rguenther@suse.de>
1068 Michael Matz <matz@suse.de>
1070 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1072 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1073 * et-forest.h (et_free_pools): Prototype new function.
1074 * et-forest.c (et_free_tree_force): Free parent occurrence.
1075 (et_free_pools): New function.
1076 * dominance.c (free_dominance_info): Free et-forest alloc
1079 2006-06-20 Roger Sayle <roger@eyesopen.com>
1081 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1082 integer modes, attempt to directly construct an integer constant.
1084 * fold-const.c (native_encode_vector): Determine the size of each
1085 element from the vector type instead of the first vector element.
1087 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1088 if all of its elements/components are constant.
1089 (build_constructor_from_list): Likewise.
1091 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1093 PR tree-optimization/27331
1094 * tree-data-ref.c (free_data_ref): New function.
1095 (create_data_ref): Fail if the data reference has unknown access
1097 (free_data_refs): Use free_data_ref.
1099 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1102 * tree-inline.c (setup_one_parameter): Strip useless
1103 type conversion before adding it to the IR.
1104 (declare_return_variable): Likewise.
1106 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1109 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1111 2006-06-19 Mike Stump <mrs@apple.com>
1113 * tree.c (variably_modified_type_p): VM arguments don't make the
1116 2006-06-19 Richard Guenther <rguenther@suse.de>
1118 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1119 type conversions after folding.
1121 2006-06-19 Richard Guenther <rguenther@suse.de>
1123 * ggc-page.c (extra_order_size_tab): Add entries with
1124 size of struct function and basic_block.
1125 (size_lookup): Extend to cover sizes up to 511.
1126 (ggc_alloc_stat): Adjust user.
1127 (ggc_pch_count_object): Likewise.
1128 (ggc_pch_alloc_object): Likewise.
1129 (ggc_pch_write_object): Likewise.
1131 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1133 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1134 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1137 2006-06-19 Denis Chertykov <denisc@overta.ru>
1139 * config/avr/libgcc.S : Correct my wrong previous commit.
1141 2006-06-19 Roger Sayle <roger@eyesopen.com>
1144 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1145 have stripped a SUBREG from the shift count, so we may need to
1146 convert_to_mode back to the type's mode before calling make_tree.
1147 Use new_amount instead of amount to avoid expanding a tree twice.
1149 2006-06-19 Richard Guenther <rguenther@suse.de>
1152 * fold-const.c (operand_equal_p): Check if the argument types
1153 have the same precision before stripping NOPs.
1155 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1157 Fix PR tree-optimization/27341
1158 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1160 * tree-complex.c (pass_lower_complex): Update SMT usage.
1162 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1164 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1165 Add a new alternative to the constraint strings. Add move of
1166 operand 1 to 3 to the splitter definition.
1167 ("doloop_si_long"): Second contraint alternative removed.
1169 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1171 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1172 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1174 (AVR_HAVE_MOVW) Define.
1175 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1176 (ASM_SPEC): Add avr25.
1177 (LINK_SPEC): Add avr25.
1178 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1179 (base_arch_s): Add new member 'have_movw_lpmx'.
1180 (avr_arch_types): Init 'have_movw_lpmx'.
1181 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1182 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1183 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1184 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1185 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1187 (avr_file_start): Do not output '.arh' derective.
1188 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1189 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1190 * config/avr/avr.md (mcu_enhanced): Delete.
1191 (mcu_have_movw): Define.
1192 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1193 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1194 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1195 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1196 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1197 attiny861 and at86rf401 devices.
1199 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1201 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1204 2006-06-17 Karl Berry <karl@gnu.org>
1206 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1207 doc/gccint.texi, doc/install.texi (@dircategory): Use
1208 "Software development" instead of "Programming", following
1209 the Free Software Directory.
1211 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1213 * config/i386/i386.c (legitimate_tls_address)
1214 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1215 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1216 (*tls_dynamic_gnu2_combine_64): Likewise.
1218 2006-06-16 Richard Guenther <rguenther@suse.de>
1221 * fold-const.c (negate_expr_p): Do not introduce undefined
1222 overflow in negating INTEGER_CSTs.
1223 (fold_negate_expr): Rename from negate_expr. Revert last
1224 change for folding BIT_NOT_EXPR. Change semantics to
1225 return NULL_TREE for non-simplified negations. Do not
1226 strip type conversions and unify type handling.
1227 (negate_expr): New function, wrap around fold_negate_expr
1228 but ensure building a tree always. Strip type conversions
1229 here, fold to result type.
1230 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1232 2006-06-16 Roger Sayle <roger@eyesopen.com>
1235 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1236 that (would) return their results in stack registers.
1238 2006-06-16 Michael Matz <matz@suse.de>
1239 Richard Guenther <rguenther@suse.de>
1241 * fold-const.c (fold_truthop): Only return new tree node if
1242 we canonicalized something.
1244 2006-06-16 Richard Guenther <rguenther@suse.de>
1246 * function.h (enum function_frequency): Move declaration
1247 out of struct function.
1248 (struct function): Move bool fields and the enum to the bitfield
1249 section. Reorder elements to avoid padding. Remove unused
1250 fields left over from the RTL inliner removal.
1251 * function.c (free_after_compilation): Do not zero removed fields.
1252 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1253 (ipa-type-escape.o): Likewise.
1255 2006-06-16 Richard Guenther <rguenther@suse.de>
1257 * cgraph.h (struct cgraph_local_info): Turn bool elements
1259 (struct cgraph_node): Likewise.
1260 (struct cgraph_varpool_node): Likewise.
1262 2006-06-15 Richard Guenther <rguenther@suse.de>
1264 * fold-const.c (fold_truth_not_expr): Rename from
1265 invert_truthvalue. Give it fold_* semantics to avoid
1267 (invert_truthvalue): New function. Wrapper around
1268 fold_truth_not_expr.
1269 (optimize_minmax_comparison): Avoid creating garbage.
1270 (fold_unary): Use fold_truth_not_expr for folding
1272 (fold_ternary): Replace uses of invert_truthvalue with
1273 fold_truth_not_expr where applicable.
1274 * tree.h (fold_truth_not_expr): Prototype.
1276 2006-06-16 Richard Guenther <rguenther@suse.de>
1278 PR tree-optimization/27781
1279 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1280 * ipa-pure-const.c (target.h): Include.
1281 (analyze_function): Do not analyze functions that do not
1284 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1287 * tree-dfa.c (referenced_vars_dup_list): Remove.
1288 (find_referenced_vars): Remove assert.
1289 (referenced_var_check_and_insert): Replace dup list with assert.
1290 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1291 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1293 2006-06-15 Richard Guenther <rguenther@suse.de>
1295 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1296 extra unused identifiers if not dumping.
1297 (create_variable_info_for): Likewise.
1299 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1301 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1302 (derive_constant_upper_bound): Derive more precise upper bound in
1303 common cases. Return type changed to double_int.
1304 (record_estimate): Reflect the changed return type of
1305 derive_constant_upper_bound.
1306 * double-int.c (double_int_zext, double_int_sext): Fix.
1308 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1310 * configure.ac (CFLAGS): Get them from the toplevel or from the
1311 configure invocation.
1312 * configure: Regenerate.
1313 * Makefile.in (CFLAGS): Substitute value provided by configure.
1315 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1318 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1319 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1320 rather than calling add_stmt on it.
1321 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1323 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1326 * reload1.c (reload): Remove registers returned by update_eliminables
1327 from used_spill_regs.
1329 2006-06-13 DJ Delorie <dj@redhat.com>
1331 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1333 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1335 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1336 html__strip_dir, html__mkdir_p. Enhance install-html target.
1337 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1338 * configure: Regenerate.
1340 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1342 * fold-const.c (fold_cond_expr_with_comparison): Check for
1343 Objective-C++ as language in deciding COND_EXPR transformation.
1345 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1348 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1349 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1350 * config/sh/lib1funcs.h (SL, SL1): Define.
1351 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1352 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1353 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1354 (OBJS_Os_4_200): New variable.
1355 ($(T)libgcc-Os-4-200.a): Use it.
1356 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1357 when dividing 1 and/or by 0.
1359 2006-06-13 Roger Sayle <roger@eyesopen.com>
1361 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1362 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1363 * configure: Regenerate.
1365 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1367 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1368 for real instruction.
1370 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1373 * haifa-sched.c (check_cfg): Handle special case.
1375 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1378 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1379 Add debug_info parameter. Chain the vars to the BLOCK instead
1380 of the BIND_EXPR if debug info are requested for them.
1381 (pop_gimplify_context): Adjust for above change.
1382 (gimple_add_tmp_var): Likewise.
1383 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1385 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1386 (convert_local_reference): Likewise.
1387 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1388 (finalize_nesting_tree_1): Request that debug info be emitted
1389 for debug_var_chain.
1391 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1393 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1394 for PR target/27863.
1396 2006-06-13 Richard Guenther <rguenther@suse.de>
1399 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1401 2006-06-13 Richard Guenther <rguenther@suse.de>
1403 PR tree-optimization/27830
1404 * tree-inline.c (copy_body_r): For copying the operand
1405 of an ADDR_EXPR make sure to fold &* afterwards.
1407 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1409 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1410 lvalues in the fb_none case with side-effects.
1412 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1414 * tree-flow.h: Remove the prototype for
1415 compute_phi_arg_on_exit.
1416 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1417 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1420 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1422 * builtins.c (expand_builtin_return_addr): Only use
1423 frame_pointer_rtx when count == 0 and we are expanding
1424 __builtin_return_address.
1426 2006-06-12 Fred Fish <fnf@specifix.com>
1428 * config/mips/mips.c (mips_file_start): Create special section
1429 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1431 2006-06-11 Eric Christopher <echristo@apple.com>
1434 * stor-layout.c (place_field): Remove check for
1435 remaining_in_alignment when aligning at the end of a run.
1437 2006-06-11 Eric Christopher <echristo@apple.com>
1440 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1443 2006-06-11 Roger Sayle <roger@eyesopen.com>
1446 Revert incorrect fix for PR target/27158
1447 2006-05-08 Roger Sayle <roger@eyesopen.com>
1448 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1449 of a reg_equiv_constant if the result is a legitimate constant.
1451 2006-06-11 Roger Sayle <roger@eyesopen.com>
1454 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1455 extract a CONST_VECTOR element and interpret it as an integer.
1456 (vspltis_constant): Use const_vector_elt_as_int instead of the
1457 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1458 * config/rs6000/predicates.md (easy_vector_const): Consider
1459 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1461 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1464 * stor-layout.c (update_alignment_for_field): Don't add extra
1465 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1468 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1470 * config/mips/t-rtems: Add EL/EB multilib variants.
1472 2006-06-09 Mike Stump <mrs@apple.com>
1474 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1476 2006-06-09 David Daney <ddaney@avtrex.com>
1478 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1480 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1482 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1484 2006-06-09 Richard Guenther <rguenther@suse.de>
1486 PR tree-optimization/26998
1487 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1488 of signed types, only TYPE_MIN_VALUE is special, but for both,
1489 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1490 in this case, as is -fwrapv.
1492 2006-06-08 Mike Stump <mrs@apple.com>
1495 * config/darwin.c (darwin_asm_output_anchor): Disable
1496 -fsection-anchors on darwin for now.
1497 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1498 * rs6000/rs6000.c (optimization_options): Likewise.
1500 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1503 * config/i386/i386.c (classify_argument): Skip fields with invalid
1506 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1508 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1509 (cse_insn): Likewise for the stack_pointer_rtx.
1511 2006-06-08 Roger Sayle <roger@eyesopen.com>
1513 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1514 conditions from floating point comparisons.
1516 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1519 * expmed.c (struct alg_hash_entry): Fix type of field T
1520 to match synth_mult argument.
1521 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1523 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1526 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1529 2006-06-08 Richard Guenther <rguenther@suse.de>
1532 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1533 only, if overflow is defined and not trapping.
1534 (negate_expr): Likewise.
1536 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1538 PR tree-optimization/27872
1539 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1540 flag on the new exit edge of the unrolled loop.
1542 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1544 PR rtl-optimization/26449
1545 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1547 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1550 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1551 referenced_variables with matching DECL_UID's.
1552 (find_referenced_vars): Make sure duplicate list is empty to start.
1553 (referenced_var_p): Remove.
1554 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1555 Check if var is in the list, and add if needed. Update the duplicate
1556 list if a different var is in the list with the same DECL_UID.
1557 (add_referenced_var): Call routine to check and insert.
1558 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1559 * tree-flow.h (referenced_vars_dup_list): External declaration.
1561 2006-06-07 Fred Fish <fnf@specifix.com>
1563 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1566 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1569 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1570 the imaginary and real parts of a clobbered register.
1571 Emit insn to set the imaginary part.
1573 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1575 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1576 in lieu of unwind-dw2-fde.c.
1578 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1580 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1582 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1585 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1586 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1587 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1588 V4SImode temporaries and operations instead.
1590 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1592 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1595 2006-06-06 Mike Stump <mrs@apple.com>
1597 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1598 installing during build.
1600 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1602 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1604 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1605 * config/ia64/ia64.c (params.h): New header.
1606 (ia64_optimization_options): New function to adjust parameters.
1607 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1608 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1609 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1611 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1613 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1615 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1618 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1620 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1621 Victor Kaplansky <victork@il.ibm.com>
1623 PR tree-optimization/26360
1624 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1627 2006-06-04 Roger Sayle <roger@eyesopen.com>
1628 Andrew Pinski <pinskia@physics.uc.edu>
1631 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1632 for LABEL_DECL before calling DECL_WEAK.
1635 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1636 LABEL_DECL and PARM_DECL.
1638 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1642 * c-decl.c (grokdeclarator): Disallow variably modified types at
1643 file scope. Avoid marking shared array type of constant size as
1646 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1649 * c-common.c (fold_offsetof_1): Handle static members.
1651 2006-06-04 Eric Christopher <echristo@apple.com>
1653 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1654 (debug_rli): Output value for remaining_in_alignment.
1655 (update_alignment_for_field): Unconditionalize
1656 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1657 extra alignment code.
1658 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1659 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1660 * tree.h (record_layout_info_s): Remove prev_packed.
1661 * doc/extend.texi (ms_struct): Add documentation of format.
1663 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1665 * tree.h: Declare folding_initializer.
1666 * builtins.c (fold_builtin_constant_p): Give definite answer
1667 if folding inside an initializer.
1668 * fold-const.c: Define folding_initializer.
1669 (START_FOLD_INIT): Save and then set folding_initializer.
1670 (END_FOLD_INIT): Restore folding_initializer.
1672 2006-06-04 Richard Guenther <rguenther@suse.de>
1674 PR tree-optimization/27039
1675 * fold-const.c (fold_comparison): Handle pointer comparison
1676 again for all comparison codes. Compare offsets in signed
1678 (fold_binary): Move code from here.
1680 2006-06-03 Roger Sayle <roger@eyesopen.com>
1683 * config/i386/i386.c (construct_container): Split static issued_error
1684 flag into issued_sse_arg_error, issued_sse_ret_error and
1685 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1686 requires the use of x87 registers and the user explicitly
1687 specified the -mno-80387 command line option.
1689 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1691 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1692 HAVE_DECL_SIGALTSTACK.
1694 (segv_handler): Use MC_FLD.
1695 * configure.ac: Check for a sigaltstack declaration.
1696 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1697 * configure: Regenerate.
1698 * config.in: Regenerate.
1700 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1703 * Makefile.in (stmp-fixinc): Fix typo.
1705 2006-06-02 Roger Sayle <roger@eyesopen.com>
1707 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1708 are type correct. Clean-up.
1709 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1710 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1712 2006-06-01 DJ Delorie <dj@redhat.com>
1714 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1715 shift, as we've disabled the "switch" insn that needs it.
1717 2006-06-01 Per Bothner <bothner@bothner.com>
1719 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1720 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1721 * c-ppoutput.c (cb_define): Don't increment line 0.
1723 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1725 * doc/invoke.texi: Add cpu_type power6.
1726 * config.gcc: Add cpu_type power6.
1727 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1728 to power5+ with Altivec.
1729 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1730 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1732 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1734 * config/avr/avr.h (SET_ASM_OP): Define.
1736 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1738 * config/bfin/bfin.c: Fix comment typos.
1740 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1743 * doc/install.texi: Document --enable-bootstrap and
1744 --disable-bootstrap.
1746 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1748 * doc/install.texi: Document that InfoZIP can replace jar.
1750 2006-05-31 Roger Sayle <roger@eyesopen.com>
1752 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1753 isn't available, directly generate the simpler x87 patterns without
1754 the (use (const_int 0)).
1755 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1756 implementation isn't available.
1757 (*negdf2_1): Likewise.
1758 (*negxf2_1): XF mode negation is always done using the x87.
1759 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1761 2006-05-31 Roger Sayle <roger@eyesopen.com>
1763 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1764 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1766 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1768 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1770 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1771 * config/bfin/bfin.c (basic-block.h): Include.
1772 (struct machine_function): New.
1773 (bfin_init_machine_status): New.
1774 (override_options): Initialize init_machine_status.
1775 (bfin_hardware_loop): New.
1776 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1777 (DEF_VEC_P (loop_info)): New.
1778 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1779 (struct loop_info): New.
1780 (loop_info): New typedef.
1781 (struct loop_work): New.
1782 (loop_work): New typedef.
1783 (DEF_VEC_O (loop_work)): New.
1784 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1785 (bfin_dump_loops): New.
1786 (bfin_bb_in_loop): New.
1787 (bfin_scan_loop): New.
1788 (bfin_optimize_loop): New.
1789 (bfin_reorg_loops): New.
1790 (bfin_reorg): Use bfin_reorg_loops.
1791 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1793 (I_REGNO_P): Simplify.
1794 (DP_REGNO_P, DPREG_P): New macros.
1795 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1796 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1797 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1798 Add LT_REGS, LC_REGS, LB_REGS.
1799 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1801 (REGNO_REG_CLASS): Deal with loop registers.
1802 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1804 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1805 New constants for loop registers.
1806 (UNSPEC_LSETUP_END): New.
1807 (seq_insns): New define_attr. Set it for appropriate insns.
1808 (movsi_insn): Add alternatives for move from/to
1809 loop count registers.
1810 (doloop_end): New define_expand.
1811 (loop_end): New define_insn.
1812 (define_split for bad doloop_end): New.
1813 (lsetup_with_autoinit): New define_insn.
1814 (lsetup_without_autoinit): New define_insn.
1815 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1816 * config/bfin/predicates.md (lc_register_operand): New.
1817 (lt_register_operand): New.
1818 (lb_register_operand): New.
1819 (nondp_register_operand): New.
1820 (nondp_reg_or_memory_operand): New.
1821 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1823 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1825 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1826 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1828 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1830 * Makefile.in (CATALOGS): Add po/ prefix.
1831 * configure: Regenerated.
1833 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1836 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1837 a shift operand before calling shift_op. Avoid redundant call of
1840 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1841 DJ Delorie <dj@redhat.com>
1843 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1844 we're inserting is a singlt-bit constant.
1846 2006-05-30 Roger Sayle <roger@eyesopen.com>
1848 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1849 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1851 2006-05-30 Roger Sayle <roger@eyesopen.com>
1853 PR tree-optimization/23452
1854 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1855 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1856 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1857 complex values and with -ffast-math for FP complex values.
1859 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1861 * c-common.h: Remove the prototype for yyparse.
1862 * rtl.h: Remove the prototype for init_loop.
1864 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1866 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1869 2006-05-30 Roger Sayle <roger@eyesopen.com>
1871 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1873 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1874 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1876 2006-05-30 Dirk Mueller <dmueller@suse.de>
1879 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1880 for CONSTANT_CLASS_P expresisons.
1882 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1885 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1887 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1889 PR tree-optimization/27779
1890 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1891 initial_condition instead of CHREC_LEFT.
1893 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1895 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1896 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1897 Make prototypes ISO C90.
1899 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1900 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1902 * see.c (see_analyze_one_def): Correct check.
1903 (see_get_extension_data): Check if extension is parallel.
1904 (see_get_extension_reg): Likewise.
1906 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1909 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1910 into register for (code == GTU).
1912 2006-05-29 Roger Sayle <roger@eyesopen.com>
1914 PR tree-optimization/24964
1915 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1916 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1917 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1918 abs(x)*abs(x) as x*x for scalar floating point modes.
1920 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1923 * lambda-code.c (perfect_nestify): Don't copy statements
1924 in the inner loop: move them to the inner loop header.
1926 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1929 * c-tree.texi: Document OpenMP directives and clauses.
1931 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1933 * varasm.c (globalize_decl): Fix indentation.
1935 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1938 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1939 pass_fre, pass_store_ccp, pass_copy_prop,
1940 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1941 pass_return_slot, pass_object_size, pass_lim,
1942 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1943 pass_loop_prefetch and pass_stdarg.
1945 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1947 * config/bfin/bfin.opt (mfdpic): New option.
1948 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1949 (EXTRA_MULTILIB_PARTS): Likewise.
1950 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1951 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1953 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1954 (CRT_CALL_STATIC_FUNCTION): New.
1955 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1957 (CRT_CALL_STATIC_FUNCTION): New.
1958 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1960 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1961 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1962 (initialize_trampoline): Changed to handle FD-PIC code generation.
1963 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1964 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1965 (override_options): Disallow -mid-shared-library -mfdpic combination.
1966 Can't do unaligned ops if FD-PIC.
1967 Turn off flag_pic if trying to generate non-id-shared-library
1968 non-fdpic code, since it's not supported.
1969 (bfin_assemble_integer): New function.
1970 (TARGET_ASM_INTEGER): Define.
1971 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1973 * config/bfin/crtn.s: Restore them.
1974 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1976 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1977 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1978 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1979 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1980 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1982 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1983 FDPIC_REGS and FDPIC_FPTR_REGS.
1984 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1985 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1986 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1987 (load_funcdescsi): New pattern.
1988 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1989 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1990 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1992 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1994 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1997 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1999 * tree-flow.h: Remove the prototype for add_type_alias.
2000 * tree-ssa-alias.c (add_type_alias): Remove.
2002 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2004 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2005 config/fr30/fr30.md, config/i386/i386-interix.h,
2006 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2007 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2008 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2009 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2010 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2011 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2012 Follow spelling conventions.
2013 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2014 Follow spelling conventions.
2016 2006-05-27 Richard Guenther <rguenther@suse.de>
2019 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2020 to produce a constant of value 1 of generic type.
2022 2006-05-27 Dirk Mueller <dmueller@suse.de>
2024 * cgraphunit.c (decide_is_function_needed): Fix wrong
2027 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2029 PR rtl-optimization/27661
2030 * reload.c (find_reloads): When reloading a VOIDmode constant
2031 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2032 use Pmode as mode of the reload register.
2034 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2036 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2037 is enabled at -O and above.
2039 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2042 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2045 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2048 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2049 for anonymous variables explicitly declared by front ends.
2051 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2053 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2054 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2055 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2056 ref-all pointers, run a finalization pass for them.
2057 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2058 (finalize_ref_all_pointers): New function.
2059 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2060 regular pointer type to a ref-all pointer type.
2061 (get_tmt_for): Return the special memory tag for ref-all pointers.
2063 2006-05-25 Richard Guenther <rguenther@suse.de>
2066 * fold-const.c (fold_binary): Do not look at the stripped
2067 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2069 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2071 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2072 for LT and GT if the computed range is effectively empty.
2074 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2077 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2078 mips_quad_format formats instead of ieee_single_format,
2079 ieee_double_format and ieee_quad_format formats, respectively.
2081 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2083 PR tree-optimization/27639
2084 PR tree-optimization/26719
2085 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2086 call to scev_probably_wraps_p.
2087 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2088 used_in_pointer_arithmetic_p, convert_step): Removed.
2089 (nowrap_type_p): New function.
2090 (scev_probably_wraps_p): Rewritten.
2091 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2092 chrec_convert if chrec_convert_aggressive might have been used.
2093 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2094 scev_direction): New functions.
2095 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2096 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2097 instead of convert_step.
2098 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2099 (convert_step): Declaration removed.
2100 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2102 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2104 * df-core.c: Added to header comments.
2105 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2106 df_ur_bb_info, df_urec_bb_info): Added comments.
2107 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2108 urec, ri problems): Fixed header comments.
2109 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2110 code from df_rd_transfer_function.
2112 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2114 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2115 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2116 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2118 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2120 * expr.c (undefined_operand_subword_p): New.
2121 (emit_move_multi_word): Do not generate move from undefined bits
2122 of a paradoxical subreg.
2124 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2126 PR rtl-optimization/27736
2127 * combine.c (replaced_rhs_value): New variable.
2128 (combine_instructions): Set it.
2129 (distribute_notes): When distributing a note in replaced_rhs_insn,
2130 check whether the value was used in replaced_rhs_value.
2132 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2135 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2136 add_referenced_var instead of add_referenced_tmp_var.
2137 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2138 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2140 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2141 tree_optimize_tail_calls_1): Use add_referenced_var.
2142 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2143 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2144 Use add_referenced_var.
2145 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2146 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2147 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2148 Use add_referenced_var.
2149 * tree-dfa.c (struct walk_state): Remove.
2150 (find_referenced_vars): Remove walk state and vars_found hash table.
2151 (make_rename_temp): Use add_referenced_var.
2152 (find_vars_r): Pass less parameters to add_referenced_var.
2153 (referenced_var_p): New. Is var in referenced_var hash table.
2154 (referenced_var_insert): Assert var isn't already in hash table.
2155 (add_referenced_var): Don't need walk_state parameter. Add var if it
2156 isn't already in the hash table.
2157 (add_referenced_tmp_var): Remove.
2158 (find_new_referenced_vars_1): Use add_referenced_var.
2159 * tree-ssa-pre.c (create_expression_by_pieces,
2160 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2161 Use add_referenced_var.
2162 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2163 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2164 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2166 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2167 vect_create_data_ref_ptr, vect_create_destination_var,
2168 vect_init_vector, vect_build_loop_niters,
2169 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2170 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2171 Use add_referenced_var.
2172 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2173 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2174 (add_referenced_var): Add prototype.
2175 * tree-ssa-structalias.c (get_constraint_for,
2176 intra_create_variable_infos): Use add_referenced_var.
2178 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2180 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2181 big-endian paradoxical subregs.
2182 * var-tracking.c (struct micro_operation_def): Document that,
2183 for modify micro operations, insn is the subsequent instruction.
2184 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2185 (var_reg_set, var_mem_set): ... new functions.
2186 (add_stores): Record subsequent insn.
2187 (compute_bb_dataflow): Use new functions for MO_USE.
2188 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2189 notes after the insn, and modify notes before the insn known
2190 to be the subsequent one.
2191 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2193 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2196 * config/i386/i386.c (ix86_expand_builtin): Use
2197 gen_sse3_monitor64 for TARGET_64BIT.
2199 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2201 PR rtl-optimization/26375
2202 PR rtl-optimization/26855
2203 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2205 (df_ru_bb_local_compute): Reversed statements and removed bogus
2206 comment explaining why they should be in wrong order.
2207 (df_ru_dump, df_rd_dump): Enhanced debug info.
2208 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2210 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2211 reaching uses and fixed space problem.
2213 2006-05-23 Jan Hubicka <jh@suse.cz>
2215 * cgraphunit.c (decide_is_function_needed): Also nested functions
2216 and functions declared inline can be optimized out at -O0.
2218 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2220 * doc/install.texi (Configuration): Remove reference to CrossGCC
2224 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2227 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2228 ix86_compare_emitted is non-NULL.
2230 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2233 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2236 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2238 PR rtl-optimization/25514
2239 * combine.c (replaced_rhs_insn): New variable.
2240 (combine_instructions): Set replaced_rhs_insn when trying to replace
2241 a SET_SRC with a REG_EQUAL note.
2242 (distribute_notes): Use replaced_rhs_insn when determining the live
2243 range of a REG_DEAD register.
2245 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2246 Anatoly Sokolov <aesok@post.ru>
2248 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2249 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2250 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2251 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2252 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2253 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2254 at90usb647, at90usb1286 and at90usb1287 devices.
2255 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2256 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2258 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2260 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2262 2006-05-22 Richard Guenther <rguenther@suse.de>
2265 2006-01-31 Richard Guenther <rguenther@suse.de>
2266 Paolo Bonzini <bonzini@gnu.org>
2268 * doc/install.texi (--disable-libgcc-math): Document.
2270 2006-05-22 Richard Guenther <rguenther@suse.de>
2273 2006-01-31 Richard Guenther <rguenther@suse.de>
2275 * doc/invoke.texi (-msselibm): Document.
2276 * target.h (expand_library_builtin): New target hook.
2277 * builtins.c (expand_builtin): Use expand_library_builtin.
2278 (default_expand_library_builtin): New function.
2279 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2280 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2281 (link_gcc_math_spec): Declare.
2282 (static_specs): Add link_gcc_math_spec.
2283 * expr.h (default_expand_library_builtin): Declare.
2284 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2285 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2286 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2287 * config/i386/i386.opt (msselibm): New target option.
2288 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2289 (ix86_init_sse_abi_builtins): New function.
2290 (ix86_expand_library_builtin): Likewise.
2291 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2292 (override_options): Handle error conditions wrt -msselibm.
2293 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2294 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2295 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2298 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2301 * c-common.c (self_promoting_args_p): Skip erroneous args.
2304 * c-decl.c (finish_struct): Skip erroneous fields.
2306 2006-05-22 Nick Clifton <nickc@redhat.com>
2308 * config/cris/cris.opt (march): Remove VarExists attribute.
2309 (max-stackframe=): Likewise.
2311 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2313 * doc/rtl.texi: Fix a typo.
2314 * see.c: Fix comment typos.
2316 * tree-ssa-structalias.h (alias_info): Remove num_references.
2318 2006-05-21 Mike Stump <mrs@apple.com>
2320 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2322 (darwin_pragma_options): Use BAD instead.
2323 (darwin_pragma_unused): Likewise.
2324 (darwin_pragma_ms_struct): Likewise.
2326 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2328 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2330 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2332 PR rtl-optimization/27671
2333 * simplify-rtx.c (simplify_relational_operation_1): Fix
2334 simplifications of (eq/ne (xor x y) y) and
2335 (eq/ne (xor x y) x).
2337 PR tree-optimization/26622.
2338 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2341 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2343 * tree-cfg.c: Prune whitespace.
2344 (debug_tree_cfg): Point to correct header containing the
2347 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2350 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2352 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2355 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2356 or sorry count is non zero.
2358 2006-05-20 Andreas Schwab <schwab@suse.de>
2360 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2362 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2363 Kenneth Zadeck <zadeck@naturalbridge.com>
2365 PR rtl-optimization/26855
2367 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2369 (df_scan_alloc): Added code to properly handle multiword hard
2370 registers and add all_blocks parameter.
2371 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2372 code to properly handle multiword hard registers.
2373 (df_rescan_blocks): Added code to remove deleted blocks from
2375 (df_ref_create_structure, df_ref_record): Added code to properly
2377 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2378 and set DF_REF_PARTIAL.
2379 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2380 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2381 (df_scan_add_problem): Added flags parameter.
2382 (df_ref_create_structure): Changed switching structure.
2383 (df_bb_refs_record): Fixed case where duplicate artificial refs
2384 were created. Changed location of flags.
2385 (df_record_entry_block_defs): Added code to make stack pointer
2386 live in entry block. Refined cases where frame pointer is needed.
2387 Changed location of flags.
2388 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2389 (df_set_state): Removed function.
2390 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2391 df_insn_create_insn_record, df_insn_refs_delete,
2392 df_ref_create_structure): Formatting changes.
2393 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2394 df_delete_basic_block): New function.
2395 (df_init): Changed location of flags.
2396 (df_add_problem): Added flags parameter and the way flags are
2398 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2399 debug_df_chain): Improved debugging output.
2400 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2401 (df_refs_chain_dump): Removed df parameter.
2402 (df_iterative_dataflow): Added consistency check.
2403 (df_prune_to_subcfg): Made public.
2404 (df_analyze_problem): Added blocks_to_init parameter and made
2406 (df_ref_record, df_bb_refs_record, df_mark_reg,
2407 df_record_exit_block_uses): Whitespace changes.
2408 (df_dump): Whitespace changes.
2409 * df.h: Some reordering to remove forward references.
2410 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2411 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2412 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2413 (dataflow.flags): New field.
2414 (df.flag): Deleted field.
2415 (df_alloc_function): Added additional bitmap parameter.
2416 (df_dependent_problem_function): New type.
2417 (df_problem.changeable_flags): New field.
2418 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2419 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2420 (df_mw_hardreg): New struct.
2421 (DF_INSN_UID_MWS): New macro.
2422 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2424 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2425 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2426 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2427 (df_set_state): Removed function.
2428 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2429 * df-problems.c (df_chain_dump): Removed df parameter.
2430 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2431 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2433 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2434 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2435 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2436 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2437 DF_REF_MUST_CLOBBER cases.
2438 (df_ru_bb_local_compute_process_def,
2439 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2440 df_lr_bb_local_compute, df_ur_bb_local_compute,
2441 df_chain_create_bb): Made subreg aware.
2442 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2443 df_lr_bb_local_compute, df_lr_bb_local_compute,
2444 df_chain_create_bb): Cleanup to use proper macros.
2445 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2446 code to fixup bitvectors.
2447 (df_ri_alloc): Cleared lifetime.
2448 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2449 df_create_unused_note): New function.
2450 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2451 REG_DEAD and REG_UNUSED notes as well as register information.
2452 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2453 df_chains_dump): Fixed crash if problem was never run.
2454 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2455 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2456 df_ri_add_problem): Processes flags in uniform manner.
2457 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2458 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2459 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2460 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2461 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2462 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2463 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2464 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2465 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2466 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2467 * see.c (see_initialize_data): Ditto.
2468 * final.c (rest_of_clean_state) Added regstack_completed.
2469 * rtl.h (regstack_completed): Ditto.
2470 * reg-stack.c (regstack_completed): Ditto.
2472 2006-05-19 Mike Stump <mrs@apple.com>
2474 * c-tree.h (default_conversion): Remove.
2475 * c-common.h (default_conversion): Add.
2477 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2479 * tree-vrp.c (valid_value_p): New function.
2480 (adjust_range_with_scev): Fail if the value of bound is not
2483 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2485 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2486 (mips_fallback_frame_state): Use syscall numbers to determine
2487 the appropriate li instruction for the current ABI. Only use
2488 __NR_sigreturn for o32.
2490 2006-05-19 Nicolas Setton <setton@adacore.com>
2492 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2493 * langhooks.c (lhd_dwarf_name): New function.
2494 * langhooks-def.h (lhd_dwarf_name): Declare.
2495 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2496 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2497 * ada/misc.c (gnat_dwarf_name): New function.
2498 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2500 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2502 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2504 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2505 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2506 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2507 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2508 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2509 determine the size of Wtype, etc.
2510 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2511 (swfloatfuncs): New variable.
2512 (dwfloatfuncs): Likewise.
2513 (lib2funcs): Remove floating-point conversion functions from
2514 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2515 the set of conversion routines needed. Allow entries to specify
2516 an object name, filename and word size. Update users accordingly.
2517 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2518 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2522 2006-02-08 Roger Sayle <roger@eyesopen.com>
2525 * config/fixtfdi.c: New libgcc source file.
2526 * config/fixunstfdi.c: New source file.
2527 * config/floatditf.c: New source file.
2528 * config/floatunditf.c: New souce file.
2529 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2530 files above instead of config/mips/_tilib.c.
2531 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2533 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2535 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2536 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2538 2006-05-18 Mike Stump <mrs@apple.com>
2540 Fix up vla, vm and [*] sematics.
2546 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2547 (c_vla_unspec_p): Add.
2548 (c_vla_type_p): Add.
2549 * c-decl.c (struct c_scope): Add had_vla_unspec.
2550 (build_array_declarator): Add support for [*].
2551 (grokdeclarator): Likewise.
2552 (grokparms): Likewise.
2553 (get_parm_info): Likewise.
2554 * c-objc-common.c (c_vla_unspec_p): Likewise.
2555 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2556 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2557 typeof when argument is a variably modified type not inside sizeof or alignof.
2558 (c_parser_direct_declarator_inner): Propagate errors.
2559 (c_parser_sizeof_expression): Add support for [*].
2560 (c_parser_parms_declarator): Initialize had_vla_unspec.
2561 (c_parser_parms_list_declarator): Likewise.
2562 * c-typeck.c (c_vla_type_p): Add.
2563 (composite_type): Add support for vla compositing.
2564 (comptypes_internal): Add support for vla compatibility.
2565 (c_expr_sizeof_expr): Evaluate vla arguments.
2566 * tree.c (variably_modified_type_p): Update comment for [*].
2568 2006-05-18 Michael Matz <matz@suse.de>
2571 * config.host: Make assignments to host_xmake_file cumulative.
2572 * config.host (*-darwin*): Test $host, not $target.
2574 2006-05-12 Stuart Hastings <stuart@apple.com>
2576 * config/i386/i386.opt (-mstackrealign): New flag.
2577 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2578 (ix86_handle_cconv_attribute): Emit error when
2579 force_align_arg_pointer attribute collides with too many regparms.
2580 (ix86_function_regparm): Limit regparms when used with
2581 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2582 Support stack-realigning prologue in non-main functions. Emit
2583 warning for nested functions under -mstackrealign, emit error for
2584 nested functions with force_align_arg_pointer attribute.
2585 * doc/extend.texi (force_align_arg_pointer): Document it.
2586 * doc/invoke.texi (-mstackrealign): Document it.
2588 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2590 PR rtl-optimization/27477
2591 * combine.c (try_combine): Don't split a parallel consisting
2592 of two sets into two individual sets if both sets reference
2595 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2597 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2598 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2600 * doc/options.texi (VarExists): Updated.
2602 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2604 * unwind-dw2.c: Add declarations for uw_update_context and
2606 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2607 detected, advance frame state and context once to skip over stub.
2609 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2613 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2614 Call rewrite_into_loop_closed_ssa only when something changed.
2615 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2616 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2617 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2618 Test for perfect_nest_p here. Fix formating.
2619 (replace_uses_equiv_to_x_with_y): Fix formating.
2620 (stmt_uses_op): Removed.
2621 (can_convert_to_perfect_nest): Removed loopivs parameter.
2622 Complete the test by checking the scalar dependences.
2623 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2626 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2629 From Dan Kegel <dank@kegel.com>:
2630 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2632 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2634 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2635 if the element type is variably modified without recursing.
2637 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2640 * tree-loop-linear.c (try_interchange_loops): Test for
2641 no data dependences.
2643 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2645 PR tree-optimization/27548
2646 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2647 range of ssa names that appear on abnormal edges.
2648 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2649 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2651 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2654 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2656 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2659 * tree.h (OMP_PARALLEL_COMBINED): Define.
2660 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2661 (new_omp_context): Add is_combined_parallel argument.
2662 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2663 new_omp_context caller.
2664 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2665 Adjust gimplify_scan_omp_clauses callers.
2666 (omp_is_private): Issue errors if iteration variable is firstprivate
2667 or reduction in the current context.
2668 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2669 on combined parallel workshare constructs.
2671 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2673 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2674 (gcc-options.o): New rule.
2676 * optc-gen.awk: Protect variables for gcc-options.o with
2677 #ifdef GCC_DRIVER/#endif.
2679 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2681 Fix PR tree-optimization/27373
2682 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2683 (forward_propagate_addr_expr): Update call.
2685 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2687 * doc/options.texi: Move the Negative option.
2689 2006-05-16 Richard Guenther <rguenther@suse.de>
2691 PR tree-optimization/22303
2692 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2694 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2695 ccp_fold did not simplify the statement.
2697 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2700 * Makefile.in (GCC_OBJS): New.
2701 (OBJS-common): Add opts-common.o.
2702 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2703 (cpp$(exeext)): Likewise.
2704 (gcc.o): Also depend on opts.h.
2705 (opts-common.o): New.
2707 * common.opt (gcoff): Add Negative(gdwarf-2).
2708 (gdwarf-2): Add Negative(gstabs).
2709 (gstabs): Add Negative(gstabs+).
2710 (gstabs+): Add Negative(gvms).
2711 (gvms): Add Negative(gxcoff).
2712 (gxcoff): Add Negative(gxcoff+).
2713 (gxcoff+): Add Negative(gcoff).
2714 * config/i386/i386.opt (m32): Add Negative(m64).
2715 (m64): Add Negative(m32).
2717 * doc/options.texi: Document the Negative option.
2719 * gcc.c: Include "opts.h".
2720 (main): Call prune_options after expandargv.
2722 * optc-gen.awk: Generate common declarations for all flag
2723 variables in options.c. Output the neg_index field.
2725 * opts.c (find_opt): Moved to ...
2726 * opts-common.c: Here. New file.
2728 * opts.h (cl_option): Add a neg_index field.
2730 (prune_options): Likewise.
2732 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2735 * omp-low.c (expand_omp_parallel): Don't assert
2736 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2737 instead search for it.
2740 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2743 2006-05-16 Andreas Schwab <schwab@suse.de>
2745 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2748 2006-05-15 Roger Sayle <roger@eyesopen.com>
2751 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2752 integer constants other than zero are only legitimate on TARGET_64BIT.
2753 <CONST_VECTOR> Only zero vectors are legitimate.
2754 (ix86_cannot_force_const_mem): Integral and vector constants can
2755 always be put in the constant pool.
2757 2006-05-16 DJ Delorie <dj@redhat.com>
2759 * crtstuff.c (__dso_handle): Set section from
2760 TARGET_LBIGCC_SDATA_SECTION if defined.
2761 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2762 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2764 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2767 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2770 2006-05-16 Ben Elliston <bje@au.ibm.com>
2772 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2774 2006-05-15 Per Bothner <per@bothner.com>
2776 * tree.c: (last_annotated_node): Use source_locus typedef.
2777 This permits bootstrapping with --enable-mapped-location.
2779 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2781 PR tree-optimization/26830
2782 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2783 (info_for_ssa_name, current_info_for_ssa_name_age,
2784 blocks_to_update): New variables.
2785 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2786 (clear_ssa_name_info, initialize_flags_in_bb,
2787 mark_block_for_update): New functions.
2788 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2789 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2790 prepare_def_site_for): Use mark_block_for_update.
2791 (mark_def_interesting): Assert that the processed block is marked in
2792 blocks_to_update. Do not take blocks argument.
2793 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2795 (rewrite_update_init_block, rewrite_update_stmt): Only process
2796 blocks with statements to rewrite.
2797 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2798 (update_ssa): Initialize and free blocks_to_update. Do not
2799 clear flags on statements. Do not use blocks bitmap.
2800 * tree.h (SSA_NAME_AUX): Removed.
2801 (struct tree_ssa_name): Removed aux field.
2802 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2804 2006-05-15 Richard Guenther <rguenther@suse.de>
2806 PR tree-optimization/27603
2807 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2808 Do computations in original type.
2810 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2812 * see.c: Code style changes such as redundant paranthesis,
2813 redundant intialization of local variables etc.
2814 (see_main): Declared now as static.
2815 * doc/invoke.texi: Update that -fsee is not enabled by
2818 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2820 * omp-low.c (check_omp_nesting_restrictions): New function.
2821 (scan_omp_1): Call it.
2824 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2825 construct, return *VAR.
2827 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2829 PR rtl-optimization/27406
2830 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2833 2006-05-14 Roger Sayle <roger@eyesopen.com>
2835 PR rtl-optimization/27538
2836 * combine.c (expand_compound_operation): Call gen_lowpart
2837 before calling simplify_shift_const.
2839 2006-05-14 Roger Sayle <roger@eyesopen.com>
2841 PR rtl-optimization/22563
2842 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2843 a fixed width bitfield, always force the intermediates into psuedos.
2845 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2848 * mkconfig.sh: Use operator = instead of == for test.
2850 2006-05-13 Nick Clifton <nickc@redhat.com>
2852 * dwarf2out.c (dbx_reg_number): Check return value from
2853 LEAF_REG_REMAP and only use it if it is valid.
2854 (multiple_reg_loc_descriptor): Likewise.
2856 2006-05-13 Richard Guenther <rguenther@suse.de>
2858 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2861 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2863 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2864 information attached to non-INSNs such as NOTEs.
2865 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2867 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2869 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2871 * config/s390/s390.md: Adjust comment describing On constraint.
2873 2006-05-11 Jan Hubicka <jh@suse.cz>
2875 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2876 to be output at -O0.
2878 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2881 * fold-const.c (size_binop): Move sanity check for arguments to
2882 the beginning of the function.
2885 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2888 2006-05-11 Richard Guenther <rguenther@suse.de>
2891 * fold-const.c (fold_unary): Handle intermediate conversion
2892 to a pointer type like intermediate conversion to an integer
2893 type in folding of (T1)(T2)var to var.
2894 Match the code to the comment in the final conversion for
2895 (T1)(T2)var to (T1)var regarding to type precision. Rather
2896 than disallow T1 being of pointer type, assert that both T1
2897 and var are of pointer type or not. Make sure not to fall
2898 over the frontends lazyness wrt array to pointer decay though.
2900 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2902 * arm.c (arm_struct_value_rtx): Delete.
2903 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2904 (arm_init_cumulative_args): Always initialize nregs to zero.
2906 2006-05-10 Richard Guenther <rguenther@suse.de>
2908 PR tree-optimization/27532
2909 * tree-object-size.c (plus_expr_object_size): Fix typo.
2911 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2914 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2915 ashrdi_const, ashrdi3): Use a scratch register.
2917 2006-05-10 Richard Guenther <rguenther@suse.de>
2919 PR tree-optimization/27302
2920 * fold-const.c (operand_equal_p): For two comparisons,
2921 try comparison of one comparison code swapped if that yields
2924 2006-05-10 Ben Elliston <bje@au.ibm.com>
2926 * tree-pretty-print.c (pretty_print_string): No need to handle
2927 '\0' as a special character.
2929 * tree.h: Include "hashtab.h".
2930 (iterative_hash_expr): Use hashval_t in its prototype.
2931 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2933 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2936 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2937 (hppa*64*-*-hpux11*): Ditto.
2938 (hppa[12]*-*-hpux11*): Ditto.
2940 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2943 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2945 2006-05-09 Michael Matz <matz@suse.de>
2947 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2948 host_extra_gcc_objs and host_xmake_file.
2949 (<*-*-linux*>): Don't overwrite host_xmake_file.
2950 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2951 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2952 (host_detect_local_cpu): Declare.
2953 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2954 * config/i386/i386.c (override_options): Handle -mtune=native
2956 * config/i386/x-i386: New file.
2957 * config/i386/driver-i386.c: New file.
2958 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2961 2006-05-09 Dirk Mueller <dmueller@suse.de>
2962 Richard Guenther <rguenther@suse.de>
2965 * fold-const.c (fold_read_from_constant_string): Relax check
2966 for matching types to matching modes.
2968 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2970 PR rtl-optimization/27335
2971 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2974 2006-05-08 Chao-ying Fu <fu@mips.com>
2975 Richard Sandiford <richard@codesourcery.com>
2977 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2978 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2979 * config/mips/mips.md (UNSPEC_SCC): New constant.
2980 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2981 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2982 (mips_emit_compare): Use it.
2983 (mips_expand_vcondv2sf): New function.
2985 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2987 Fix PR tree-optimization/27093
2988 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2989 renaming when they become not-used_alone.
2991 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2993 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2994 relocation and relocation stubs.
2996 2006-05-08 Eric Christopher <echristo@apple.com>
2998 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3001 2006-05-08 Jan Hubicka <jh@suse.cz>
3004 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3005 unused static functions are needed.
3007 2006-05-08 Roger Sayle <roger@eyesopen.com>
3010 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3011 of a reg_equiv_constant if the result is a legitimate constant.
3013 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3016 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3017 standard 80387 constants, raise the cost to prevent
3018 compress_float_constant() to generate load from memory.
3020 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3022 * config/arm/constraints.md (c): Fix a typo.
3024 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3027 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3030 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3032 (_mm_mwait): Likewise.
3034 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3036 (sse3_monitor): Make it 32bit only.
3037 (sse3_monitor64): New. 64bit monitor.
3039 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3042 * config/i386/i386.c (classify_argument): Skip fields with invalid
3045 2006-05-07 Richard Guenther <rguenther@suse.de>
3047 PR tree-optimization/27409
3048 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3049 Do not try to find zero-sized subvars.
3051 2006-05-07 Richard Guenther <rguenther@suse.de>
3053 PR tree-optimization/27136
3054 * tree-ssa-loop-niter.c (get_val_for): Correct function
3055 comment, assert requirements.
3056 (loop_niter_by_eval): Stop processing if the iterated
3057 value did not simplify.
3059 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3061 * opts.c (flag_see): remove its setting at -O3.
3063 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3065 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3066 * arm/constraints.md: New file.
3067 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3068 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3069 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3070 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3071 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3072 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3073 * arm.md: Include constraints.md.
3074 (thumb_movsi_insn): Use satisfies_constraint_J.
3075 (movhi, movqi): Use satisfies_constraint_I.
3077 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3079 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3080 for atmeg a645 device.
3082 2006-05-06 Richard Guenther <rguenther@suse.de>
3084 PR tree-optimization/27151
3085 * tree-vect-transform.c (vectorizable_condition): Punt on
3086 values that have a different type than the condition.
3088 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3091 * c-parser.c (c_parser_cast_expression): Only insert casts into
3092 hash table if pointer.
3093 * function.c (used_types_insert_helper): Rename from
3095 (used_types_insert): Call used_types_insert_helper.
3096 * function.h (used_types_insert): Accept only one argument.
3098 2006-05-05 David Edelsohn <edesohn@gnu.org>
3100 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3101 scratch with output modifier.
3103 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3106 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3107 with output modifier.
3109 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3112 * config/mips/mips.c (mips_symbolic_address_p): Return true
3113 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3114 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3116 2006-05-04 Richard Guenther <rguenther@suse.de>
3118 PR tree-optimization/14287
3119 PR tree-optimization/14844
3120 PR tree-optimization/19792
3121 PR tree-optimization/21608
3122 PR tree-optimization/27090
3123 * tree-ssa-pre.c (try_combine_conversion): New function.
3124 (compute_avail): After constructing the value-handle
3125 expression, use try_combine_conversion to combine NOP_EXPRs
3126 with previous value-handle expressions and use the result if it
3129 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3131 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3133 2006-05-04 Jan Hubicka <jh@suse.cz>
3136 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3138 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3140 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3141 that this only matches CONST_INTs. All users changed to VOIDmode
3144 * config/bfin/bfin.c: Include "optabs.h".
3145 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3147 (enum bfin_builtins): Add a number of fractional and vector builtins.
3148 (bfin_init_builtins): Likewise.
3149 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3150 (safe_vector_operand, bfin_expand_binop_builtin,
3151 bfin_expand_unop_builtin): New functions.
3152 (bfin_expand_builtin): Handle the new builtins.
3153 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3156 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3159 * Makefile.in (OBJS-common): Add see.o.
3160 (see.o): Add dependencies.
3161 * common.opt (fsee): New flag for the see optimization was added.
3162 * opts.c (flag_see): Initialized.
3163 * passes.c (init_optimization_passes, pass_see): New pass.
3164 * rtl.h (see_main): Declaration as extern.
3165 * timevar.def (TV_SEE): New.
3166 * tree-pass.h (pass_see): Declaration as extern.
3167 * invoke.texi (-fsee): Document.
3168 * recog.c (validate_simplify_insn): New function.
3169 * recog.h (validate_simplify_insn): Declaration as extern.
3170 * df-problems.c (df_chain_dump): Check for NULL.
3172 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3173 Daniel Berlin <dberlin@dberlin.org>
3175 * cfgrtl.c (insert_insn_bb_end_new): New function.
3176 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3178 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3180 * df.h (struct web_entry): Moved from web.c.
3181 (union_defs): Declaration as extern.
3182 (unionfind_root): Likewise.
3183 (unionfind_union): Likewise.
3184 * web.c (struct web_entry): Moved to df.h.
3185 (unionfind_root): Remove static declaration.
3186 (unionfind_union): Likewise.
3187 (union_defs): Likewise and generalize to use callback function.
3188 (web_main): Update arguments for union_defs function call.
3190 2006-05-04 Richard Guenther <rguenther@suse.de>
3192 PR tree-optimization/26447
3193 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3194 produce SSA_NAME copies before the store stmt to avoid
3195 breaking exception handling.
3197 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3200 * gimplify.c (omp_is_private): If var is shared in some outer context,
3201 return false instead of true. Stop searching on parallel context
3204 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3207 * coverage.c: Use get_gcov_unsigned_t() instead of
3208 unsigned_type_node all over.
3210 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3212 PR tree-optimization/27381
3213 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3214 maintain the same immediate_use links.
3215 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3216 node rather than segfaulting.
3218 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3221 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3222 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3223 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3225 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3227 Fix PR tree-optimization/26626
3228 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3230 * tree-ssa-operands.c (access_can_touch_variable): Allow
3231 typecasting through union pointers.
3233 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3236 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3237 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3238 to find if var will be a global variable even in the nested context.
3239 (omp_copy_decl): Only check for global variable at the end, it might
3240 be overridden in outer contexts.
3241 (scan_sharing_clauses): For global variables don't create a field.
3242 (lower_rec_input_clauses): Do nothing for global shared variables.
3243 Emit a barrier at the end of ILIST if there were any decls in both
3244 firstprivate and lastprivate clauses.
3245 (lower_send_clauses): Do nothing for global variables except for
3248 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3250 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3251 of the correct signedness is returned.
3253 2006-05-02 Jeff Law <law@redhat.com>
3255 PR tree-optimization/27364
3256 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3257 multiply expressions.
3259 2006-05-02 Tom Tromey <tromey@redhat.com>
3261 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3263 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3266 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3267 -mthumb -fPIC are used.
3269 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3270 Joshua Kinard <kumba@gentoo.org>
3273 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3274 with 64-bit pointers.
3276 2006-05-02 Paul Brook <paul@codesourcery.com>
3278 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3280 (create_fix_barrier): Check that a suitable barrier location is
3282 (arm_reorg): Include ftmp->address in allowable range of addresses.
3284 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3287 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3290 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3293 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3294 around RESULT_DECL for result passed by reference.
3295 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3296 * omp-low.c (use_pointer_for_field): Don't look at
3297 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3298 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3299 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3300 time or var for passing by reference for
3301 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3302 TREE_ADDRESSABLE variables when passing by reference.
3304 * omp-low.c (dump_omp_region): Fix output formatting.
3307 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3308 (expand_omp_parallel): Likewise.
3309 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3312 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3313 on statement list containing also constructors and destructors.
3314 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3317 * except.c (duplicate_eh_regions): Fix clearing of
3318 cfun->eh->region_array entries.
3320 2006-05-01 DJ Delorie <dj@redhat.com>
3322 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3324 (gcc_cv_objdump): Likewise.
3325 * configure: Regenerated.
3327 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3330 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3331 templates for case 3 and 4.
3333 2006-05-01 DJ Delorie <dj@redhat.com>
3335 * vec.c: Include bconfig.h when appropriate.
3336 * Makefile.in (build/vec.o): Adjust dependencies.
3337 * mkconfig.sh: Make sure config.h isn't used for build machine
3340 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3342 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3344 (mark_phi_for_rewrite): New function.
3345 (insert_phi_nodes_for, mark_use_interesting): Call
3346 mark_phi_for_rewrite.
3347 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3348 (update_ssa): Initialize and free phis_to_rewrite.
3350 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3352 PR rtl-optimization/27291
3353 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3354 folded to a constant.
3356 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3358 PR tree-optimization/27283
3359 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3360 not whole # of iteration descriptions.
3361 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3362 uses abnormal ssa name.
3363 (niter_for_single_dom_exit): Ditto.
3364 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3365 return just the number of iterations.
3367 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3369 PR tree-optimization/27144
3370 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3371 (record_estimate): Only record constant upper bound.
3372 (infer_loop_bounds_from_undefined): Call
3373 compute_estimated_nb_iterations just once.
3374 (proved_non_wrapping_p): Renamed to ...
3375 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3376 (convert_step_widening, scev_probably_wraps_p): Call
3377 n_of_executions_at_most instead of proved_non_wrapping_p.
3378 (substitute_in_loop_info): Do not replace values in bounds.
3379 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3382 2006-05-01 Richard Henderson <rth@redhat.com>
3385 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3386 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3389 2006-05-01 Roger Sayle <roger@eyesopen.com>
3391 * c-typeck.c (parser_build_binary_op): Don't call the function
3392 unsigned_conversion_warning to spot operand/result type overflow.
3393 (build_binary_op): Instead, call convert_and_check instead of
3394 convert to report the problem when the operands are promoted.
3395 * c-common.c (unsigned_conversion_warning): Make static.
3396 * c-common.h (unsigned_conversion_warning): Delete prototype.
3398 2006-05-01 Richard Guenther <rguenther@suse.de>
3400 PR tree-optimization/26726
3401 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3403 (find_interesting_uses_address): ... we work around here
3404 by folding INDIRECT_REFs in the substituted base.
3406 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3408 * omp-low.c (dump_omp_region): Add newlines.
3410 2006-04-30 Roger Sayle <roger@eyesopen.com>
3412 * common.opt (Woverflow): New command line option.
3413 * c-common.c (constant_expression_warning): Check warn_overflow.
3414 (overflow_waring): Pass OPT_Woverflow to warning.
3415 (unsigned_conversion_warning): Likewise.
3416 (convert_and_check): Likewise.
3417 * doc/invoke.texi: Document new command line option.
3419 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3421 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3422 TARGET_NO_FP_IN_TOC for section anchors.
3423 (optimization_options): Enable section anchors for all
3424 non-"Objective" languages.
3426 2006-04-28 Eric Christopher <echristo@apple.com>
3428 * config/darwin-c.c (darwin_ms_struct): Move this
3429 (darwin_set_default_type_attributes): and this...
3430 * config/darwin.c: ... here.
3431 * config/darwin.h (darwin_ms_struct): Declare.
3433 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3435 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3437 2006-04-28 Roger Sayle <roger@eyesopen.com>
3440 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3441 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3442 an unsigned HOST_WIDE_INT.
3443 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3445 (really_start_incremental_init): No need to call convert because
3446 bitsize_zero_node is already of type bitsizetype.
3447 (push_init_level): Extract the value of constructor_index as an
3448 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3449 (process_init_element): Likewise.
3451 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3453 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3454 value before passing to make_relative_prefix.
3456 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3459 * builtins.c (expand_builtin_memset): Expand val in original mode.
3461 2006-04-27 Eric Christopher <echristo@apple.com>
3463 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3464 with #ifndef/#endif.
3465 * config/darwin-c.c (darwin_ms_struct): New.
3466 (darwin_pragma_ms_struct): Ditto.
3467 (darwin_set_default_type_attributes): Ditto.
3468 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3469 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3470 Register ms_struct pragma.
3471 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3472 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3473 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3474 darwin_set_default_type_attributes if TARGET_MACHO.
3476 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3478 PR tree-optimization/26854
3479 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3480 * doc/tree-ssa.texi: Update immuse iterator documentation.
3481 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3482 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3483 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3484 first_safe_imm_use, next_safe_imm_use): Remove.
3485 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3486 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3487 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3488 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3489 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3490 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3491 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3492 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3493 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3494 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3495 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3496 (perfect_nestify): Use new iterator.
3497 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3499 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3500 (next_imm_name): New field in struct immediate_use_iterator_d.
3501 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3502 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3503 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3504 * tree-cfg.c (replace_uses_by): Use new iterator.
3505 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3506 * tree-ssa-operands.c (correct_use_link): Remove.
3507 (finalize_ssa_use_ops): No longer call correct_use_link.
3509 2006-04-27 Stuart Hastings <stuart@apple.com>
3511 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3512 * config/t-darwin (crt3.o): Use it.
3513 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3514 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3515 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3516 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3517 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3520 2006-04-27 Roger Sayle <roger@eyesopen.com>
3522 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3523 size, force the intermediate into a new pseudo rather instead of
3524 performing both a bitwise AND and a bitwise IOR in memory.
3526 2006-04-27 Richard Guenther <rguenther@suse.de>
3528 PR rtl-optimization/26685
3529 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3530 this one "max-flow-memory-locations".
3532 2006-04-27 Richard Guenther <rguenther@suse.de>
3534 PR tree-optimization/25148
3535 * tree-vrp.c (compare_values): Remove code dealing with
3536 comparisons against type min/max value. Honour overflow
3537 and negative constants in code dealing with comparisons
3538 of plus and minus expressions.
3539 (value_inside_range): Use fold_binary with LE_EXPR and
3540 GE_EXPR rather than compare_values.
3542 2006-04-27 Dirk Mueller <dmueller@suse.de>
3544 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3547 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3549 * basic-block.h (safe_insert_insn_on_edge): Removed.
3550 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3552 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3553 Paolo Bonzini <bonzini@gnu.org>
3556 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3557 (simplify_and_const_int): Same.
3559 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3561 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3563 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3566 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3567 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3568 cgraph_global_info_ready.
3571 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3574 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3575 either decl or init is error_mark_node.
3578 * tree-flow.h (struct omp_region): Add sched_kind.
3579 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3580 instead of extracting omp for data.
3581 (expand_omp_for): Save extracted sched_kind.
3583 2006-04-25 Roger Sayle <roger@eyesopen.com>
3585 * expmed.c (store_bit_field): Also check whether the bitsize is
3586 valid for the machine's "insv" instruction before moving the
3587 target into a pseudo for use with the insv.
3588 * config/i386/predicates.md (const8_operand): New predicate.
3589 * config/i386/i386.md (extv, extzv, insv): Use the new
3590 const8_operand predicate where appropriate.
3592 2006-04-25 DJ Delorie <dj@redhat.com>
3594 * doc/install.texi (Specific): Clarify that this is not a list of
3595 supported hosts or targets.
3597 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3599 PR rtl-optimization/26725
3600 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3601 block's BB_DIRTY flag.
3603 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3605 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3608 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3609 to print an integer.
3611 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3613 * varasm.c (align_variable): New function.
3614 (get_block_for_decl): Apply align_variable to DECL before
3615 calculating section information.
3616 (assemble_variable): Split out alignment computation.
3618 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3620 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3623 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3625 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3626 MODE_PARTIAL_INT mode.
3627 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3628 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3630 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3631 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3633 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3635 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3637 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3638 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3639 MACFLAG_IH): Likewise.
3640 (movstricthi_1): Renamed from "*movstricthi".
3641 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3642 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3643 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3644 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3645 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3646 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3647 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3648 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3649 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3650 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3651 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3652 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3653 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3654 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3655 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3657 * doc/rtl.texi (ss_ashift): Improve wording.
3659 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3661 * dwarf2out.c (verify_marks_clear): New.
3662 (prune_unused_types): Call verify_marks_clear initially, not
3665 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3667 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3668 * doc/rtl.texi: Document them.
3669 * simplify-rtx.c (simplify_unary_operation,
3670 simplify_binary_operation_1): Don't abort when we see them.
3672 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3675 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3676 * configure.ac: Completely disregard languages that are not
3678 * configure: Regenerated.
3680 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3681 Richard Guenther <rguenther@suse.de>
3683 PR tree-optimization/27236
3684 * tree-inline.c (copy_body_r): Make sure to copy
3685 TREE_THIS_VOLATILE flag.
3687 2006-04-24 Richard Guenther <rguenther@suse.de>
3690 * tree-complex.c (update_parameter_components): Don't handle
3691 unused parameters which have no default def.
3693 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3694 Richard Guenther <rguenther@suse.de>
3696 PR tree-optimization/27218
3697 * tree-inline.c (expand_call_inline): Strip useless type
3698 conversions for the return slot address.
3700 2006-04-24 Richard Guenther <rguenther@suse.de>
3702 * cfgloop.h (struct loops): Remove unused field array. Reorder
3704 (LOOP_PREFETCH): Remove.
3706 2006-04-24 Richard Guenther <rguenther@suse.de>
3708 PR tree-optimization/22525
3709 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3710 variable, adjust types of generated expressions.
3712 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3714 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3715 (tree-vect-patterns.o): Likewise.
3717 (cselib.o): Likewise.
3718 (loop-doloop.o): Likewise.
3719 (regclass.o): Likewise.
3720 (reload1.o): Likewise.
3721 (explow.o): Replace target.h with $(TARGET_H).
3722 (ipa-prop.o): Likewise.
3723 (ipa-cp.o): Likewise.
3724 (ipa-inline.o): Likewise.
3725 (reorg.o): Likewise.
3726 (reg-stack.o): Likewise.
3728 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3730 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3732 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3734 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3736 * configure.ac: Completely disregard languages that are not
3738 * configure: Regenerated.
3741 * c-common.h (c_build_bitfield_integer_type): Declare.
3742 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3743 * c-common.c (c_build_bitfield_integer_type): ... here.
3745 2006-04-23 Roger Sayle <roger@eyesopen.com>
3748 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3749 a SImode SUBREG of a floating point register after no_new_pseudos.
3751 2006-04-23 Roger Sayle <roger@eyesopen.com>
3753 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3754 identify potentially eliminable registers to additionally catch
3755 VIRTUAL_INCOMING_ARGS_REGNUM.
3756 (addsi3): Update the conditions on when to use addsi_small_int.
3758 2006-04-23 Roger Sayle <roger@eyesopen.com>
3761 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3762 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3763 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3765 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3767 * fold-const.c (range_predecessor): Use operand_equal_p
3768 as the predicate for equality.
3769 (range_successor): Likewise.
3771 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3774 * config/soft-fp/op-common.h: Fix a typo.
3776 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3779 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3780 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3782 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3784 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3786 * doc/tm.texi: Fix a typo.
3788 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3790 * dwarf2out.c (struct die_struct): Document that die_sib makes
3791 a circular linked list.
3792 (FOR_EACH_CHILD): New.
3793 (reverse_die_lists): Delete.
3794 (reverse_all_dies): Delete.
3795 (add_dwarf_attr): Correct documentation.
3796 (remove_child_with_prev): New.
3797 (remove_child_TAG): Update for change to die_struct, use
3798 remove_child_with_prev.
3799 (add_child_die): Update for change to die_struct.
3800 (splice_child_die): Use remove_child_with_prev and add_child_die.
3801 (print_die): Use FOR_EACH_CHILD.
3802 (die_checksum): Likewise.
3803 (assign_symbol_names): Likewise.
3804 (output_location_lists): Likewise.
3805 (build_abbrev_table): Likewise.
3806 (calc_die_sizes): Likewise.
3807 (mark_dies): Likewise.
3808 (unmark_dies): Likewise.
3809 (unmark_all_dies): Likewise.
3810 (output_die): Likewise.
3811 (prune_unused_types_mark): Likewise.
3812 (prune_unused_types_walk): Likewise.
3813 (same_die_p): Update for change to die_struct.
3814 (break_out_includes): Likewise.
3815 (prune_unused_types_prune): Likewise.
3816 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3817 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3819 (dwarf2out_finish): Don't call reverse_all_dies.
3821 2006-04-21 Eric Christopher <echristo@apple.com>
3823 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3824 in comments and function names.
3826 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3829 * c-typeck.c (digest_init): Robustify.
3831 * c-typeck.c (pop_init_level): Simplify.
3833 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3835 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3837 2006-04-21 Paul Brook <paul@codesourcery.com>
3839 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3840 hardware floating point.
3842 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3844 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3847 2006-04-21 Nick Clifton <nickc@redhat.com>
3849 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3852 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3855 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3856 C++ lang type in traceback table for Objective-C++.
3858 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3860 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3862 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3864 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3867 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3868 were errors. Remove check for erroneous objects.
3870 2006-04-20 Jeff Law <law@redhat.com>
3872 PR tree-optimization/26854
3873 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3874 checking for zero or one use.
3875 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3876 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3877 * tree-ssa-reassoc.c (negate_value): Similarly.
3878 (reassociate_bb): Similarly.
3880 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3882 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3883 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3884 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3886 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3888 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3889 fp regs if the last fp arg doesn't fit in regs.
3891 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3894 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3895 that the last insn has the REG_INC note.
3897 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3898 Nathan Sidwell <nathan@codesourcery.com>
3901 * stor-layout.c (update_alignment_for_field): Do not align
3903 (place_union_field): Place union field at the start of the union.
3904 (place_field): Move ERROR_MARK check later, and use the current
3905 allocation position to maintain monotonicity.
3907 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3909 * dominance.c: Include timevar.h.
3910 (calculate_dominance_info): Use TV_DOMINANCE.
3911 * timevar.def (TV_DOMINANCE): New timevar.
3912 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3914 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3916 PR rtl-optimization/14261
3917 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3918 move would be an INSV insn.
3919 (noce_process_if_block): Don't optimize if the destination is a
3920 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3922 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3924 * config/s390/s390.md: Add comments with the instructions emitted
3925 by an insn pattern if macros are used.
3927 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3929 PR rtl-optimization/26026
3930 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3931 is a known power of two shifted left a variable amount.
3933 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3935 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3936 to hash table twice when the debug_str section has SECTION_MERGE.
3938 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3940 * config/soft-fp: New directory. From glibc.
3941 * config/soft-fp/t-softfp: New.
3942 * config/soft-fp/README: New.
3943 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3944 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3945 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3946 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3947 * config.gcc: Use rs6000/t-fprules-fpbit or
3948 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3950 * config/rs6000/sfp-machine.h: New. Based on glibc.
3951 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3953 * config/rs6000/t-fprules: Remove fp-bit rules.
3954 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3955 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3956 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3957 (softfp_wrap_start, softfp_wrap_end): New.
3959 2006-04-18 DJ Delorie <dj@redhat.com>
3961 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3963 2006-04-18 Devang Patel <dpatel@apple.com>
3965 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3967 2006-04-18 Nick Clifton <nickc@redhat.com>
3969 * config/sh/t-symbian: Add rule to build sh-c.o
3970 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3971 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3972 (sh_symbian_encode_section_info): Likewise.
3974 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3976 * builtins.c (expand_builtin_strcmp): Cover label definition of
3977 do_libcall with HAVE_cmpstrnsi.
3979 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3981 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3983 * function.h (temp_slot_p): New.
3984 (function): Change the type of x_used_temp_slots to
3985 VEC(temp_slot_p,gc) *.
3987 2006-04-18 Nick Clifton <nickc@redhat.com>
3989 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3990 flag_strength_reduce.
3992 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3994 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3998 Partial revert of revision 112637
3999 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4000 Dale Johannesen <dalej@apple.com>
4003 * regclass.c (struct reg_pref): Update documentation.
4004 (regclass): Set prefclass to NO_REGS if memory is the best option.
4005 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4007 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4009 PR tree-optimization/26821
4010 * tree-ssa-math-opts.c (get_constant_one): New.
4011 (insert_reciprocals): Use it.
4013 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4015 * dwarf2out.c (free_AT): Delete.
4016 (remove_AT): Update string ref counts.
4017 (remove_child_TAG): Don't call free_die.
4019 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4020 or DW_TAG_GNU_EINCL.
4021 (prune_unused_types_walk_attribs): Reset string refcounts.
4022 (prune_unused_types_update_strings): New.
4023 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4024 call free_die. Do call prune_unused_types_update_strings.
4025 (prune_unused_types): Empty debug_str_hash.
4027 2006-04-17 Roger Sayle <roger@eyesopen.com>
4029 * expr.c (expand_assignment): Optimize away no-op moves where the
4030 source and destination are equal and have no side-effects.
4032 2006-04-17 Richard Guenther <rguenther@suse.de>
4035 * reload.c (push_reload): Guard calls to get_secondary_mem
4038 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4040 * alias.c (reg_base_value, old_reg_base_value): Change the
4041 type to VEC(rtx,gc) *.
4042 (REG_BASE_VALUE, find_base_value, record_set,
4043 init_alias_analysis): Use VEC instead of VARRAY.
4045 * alias.c (alias_sets): Change the type to
4046 VEC(alias_set_entry,gc) *.
4047 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4048 VEC instead of VARRAY.
4049 (last_alias_set): Remove.
4051 * cgraph.h (cgraph_edge_p): New.
4052 Update the prototype of cgraph_function_versioning.
4053 * cgraphunit.c (cgraph_copy_node_for_versioning,
4054 cgraph_function_versioning): Use VEC instead of VARRAY.
4055 * ipa-cp.c (ipcp_insert_stage): Likewise.
4057 2006-04-16 Roger Sayle <roger@eyesopen.com>
4060 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4061 "A op B" or "A op C", we may need to convert A to the type of B and C.
4063 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4065 * target.h (struct gcc_target): Add mode_rep_extended.
4066 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4067 (init_num_sign_bit_copies_in_rep): Initialize it using
4069 (truncate_to_mode): Use it.
4070 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4071 * targhooks.h (default_mode_rep_extended): Declare it.
4072 * targhooks.c (default_mode_rep_extended): Define it.
4073 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4074 default_mode_rep_extended.
4075 (TARGET_INITIALIZER): Include it.
4076 * doc/tm.texi (Misc): Document it.
4077 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4078 (mips_truncated_to_mode): New function.
4080 2006-04-16 Roger Sayle <roger@eyesopen.com>
4083 * expr.c (compress_float_constant): Copy the narrow constant into
4084 a new pseudo before extending it to its final width.
4086 2006-04-16 Roger Sayle <roger@eyesopen.com>
4087 Andrew Pinski <pinskia@gcc.gnu.org>
4088 Dale Johannesen <dalej@apple.com>
4091 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4092 special case code to implement V8HImode and V16QImode with SSE2.
4094 2006-04-15 Roger Sayle <roger@eyesopen.com>
4096 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4097 trees are constructed with a suitable tree type.
4099 2006-04-15 Roger Sayle <roger@eyesopen.com>
4101 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4102 (integer_onep): Likewise.
4103 (integer_all_onesp): Likewise.
4104 (integer_pow2p): Likewise.
4105 (integer_nonzerop): Likewise.
4106 (real_zerop): Likewise.
4107 (real_onep): Likewise.
4108 (real_twop): Likewise.
4109 (real_minus_onep): Likewise.
4110 (int_size_in_bytes): Likewise.
4111 (host_integerp): Likewise.
4113 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4115 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4116 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4117 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4119 * tree-ssa-structalias.h (alias_info): Remove num_references.
4121 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4123 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4124 (output_bvb patterns): Likewise.
4125 * pa.c (output_bb): Use 'bb' insn for long branch case.
4126 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4127 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4128 1. Correct length operand for alternatives 1 and 2.
4129 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4130 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4132 2006-04-14 Roger Sayle <roger@eyesopen.com>
4134 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4135 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4136 were accidentally reverted by r112959.
4138 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4141 * except.h (eh_region_outermost): New prototype.
4142 * except.c (eh_region_outermost): New function.
4143 * tree-cfg.c (find_outermost_region_in_block): Use it.
4145 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4147 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4149 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4150 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4151 (init_reload, reload): Use VEC instead of VARRAY.
4152 * reload.h: Update the prototype for
4153 reg_equiv_memory_loc_varray.
4155 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4156 Eric Botcazou <ebotcazou@libertysurf.fr>
4158 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4161 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4164 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4165 to expand fallback builtin function call.
4167 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4170 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4171 and emit libcall here in case the builtin fails.
4172 (expand_builtin_strcmp): Always emit the libcall here on failure.
4174 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4176 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4177 * flow.c (reg_n_info): Change the type to
4178 VEC(reg_info_p,heap) *.
4179 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4181 * regs.h (reg_info_p): New.
4182 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4183 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4184 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4187 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4189 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4191 * params.h (MAX_SCHED_READY_INSNS): New macro.
4192 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4193 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4194 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4195 the ready list for 1 cycle during the first scheduling pass.
4196 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4198 2006-04-13 Richard Henderson <rth@redhat.com>
4201 * gimple-low.c (lower_omp_directive): Remove dead code.
4202 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4203 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4204 * omp-low.c (struct omp_region): Move to tree-flow.h.
4205 (root_omp_region): Export.
4206 (omp_regions, lookup_omp_region): Remove.
4207 (determine_parallel_type): Update for struct omp_region changes.
4208 (dump_omp_region): Dump regions with block numbers.
4209 (new_omp_region): Take type and block instead of stmt; malloc
4211 (free_omp_region_1, free_omp_regions): New.
4212 (expand_parallel_call): Take entry_stmt as argument; update for
4213 changes to omp_region.
4214 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4215 (remove_exit_barriers): New.
4216 (expand_omp_parallel): Update for struct omp_region changes.
4217 (expand_omp_synch): Likewise.
4218 (expand_omp): Likewise.
4219 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4220 (expand_omp_for_static_chunk): Likewise.
4221 (expand_omp_for): Likewise.
4222 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4223 (expand_omp_sections): Similarly, with GOMP_sections_end.
4224 (expand_omp_single): New.
4225 (build_omp_regions_1): Update for OMP_CONTINUE.
4226 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4227 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4228 OMP_SECTIONS_SECTIONS.
4229 (lower_omp_single_simple): Don't emit barrier here.
4230 (lower_omp_single_copy): Likewise.
4231 (lower_omp_single): Fix bindings, and lower to straightline now.
4232 (lower_omp_master, lower_omp_ordered): Likewise.
4233 (lower_omp_critical): Likewise.
4234 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4235 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4236 omp edges, free it afterward.
4237 (make_omp_sections_edges): Remove.
4238 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4239 (move_stmt_r): Handle OMP_CONTINUE.
4240 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4241 statement pointers to basic blocks. Add type member.
4242 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4243 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4244 * tree-inline.c (estimate_num_insns_1): Likewise.
4245 * tree-pretty-print.c (dump_generic_node): Likewise.
4246 * tree-ssa-operands.c (get_expr_operands): Likewise.
4247 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4248 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4249 (OMP_CONTINUE): New.
4250 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4251 (OMP_SECTIONS_SECTIONS): Remove.
4252 (OMP_SECTION_LAST): New.
4253 (OMP_RETURN_NOWAIT): New.
4255 2006-04-13 Roger Sayle <roger@eyesopen.com>
4257 * fold-const.c (native_encode_vector, native_interpret_real):
4258 Correct obvious mistakes in the previous check-in.
4260 2006-04-13 Roger Sayle <roger@eyesopen.com>
4262 * fold-const.c (native_encode_expr): New function to encode
4263 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4264 or VECTOR_CST into a specified buffer.
4265 (native_encode_int): New function.
4266 (native_encode_real): New function.
4267 (native_encode_complex): New function.
4268 (native_encode_vector): New function.
4269 (native_interpret_expr): Inverse of native_encode_expr to convert
4270 a target representation into an INTEGER_CST, REAL_CST etc...
4271 (native_interpret_int): New function.
4272 (native_interpret_real): New function.
4273 (native_interpret_complex): New function.
4274 (native_interpret_vector): New function.
4275 (fold_view_convert_expr): New function to constant fold/evaluate
4276 a VIEW_CONVERT_EXPR of a suitable constant expression.
4277 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4278 Change call of build1 to fold_build1 when constructing a
4281 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4282 Ulrich Weigand <uweigand@de.ibm.com>
4285 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4288 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4291 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4292 optimize to lo_sum for DFmode if !TARGET_FPRS.
4294 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4296 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4297 delete_alias_info, compute_flow_sensitive_aliasing,
4298 group_aliases): Use VEC instead of VARRAY.
4299 * tree-ssa-structalias.c (update_alias_info): Likewise.
4300 * tree-ssa-structalias.h (alias_info): Change the type of
4301 processed_ptrs to VEC(tree,heap) *.
4303 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4306 * config/sh/lib1funcs.h: New file, broken out of:
4307 * config/sh/lib1funcs.asm.
4308 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4310 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4311 * config/sh/lib1funcs-Os-4-200.asm: New file.
4312 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4313 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4314 (EXTRA_MULTILIB_PARTS): Include it.
4315 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4316 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4317 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4318 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4321 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4323 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4324 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4325 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4327 * tree-ssa-live.h: Include vecprim.h.
4328 (tree_partition_associator_d): Change the type of
4329 first_partition to VEC(int,heap) *.
4330 (tpa_first_partition): Use VEC instead of VARRAY.
4332 * Makefile.in (GTFILES): Move functions.h after tree.h.
4333 * function.c (reset_block_changes, record_block_change,
4334 check_block_change, free_block_changes): Use VEC instead of
4336 * function.h (function): Change the type of
4337 ib_boundaries_block to VEC(tree,gc) *.
4338 * tree-inline.c (copy_cfg_body): Initialize
4339 ib_boundaries_block to NULL instead of (varray_type) 0.
4341 2006-04-12 Roger Sayle <roger@eyesopen.com>
4343 * expr.c (emit_group_store): Correct operand order in call to
4344 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4345 a SUBREG_BYTE of zero.
4347 2006-04-12 Richard Guenther <rguenther@suse.de>
4349 * profile.c (compute_branch_probabilities): Remove code
4350 encapsulated in !ir_type (), which are remanents of the
4351 removed RTL profiling code.
4352 * rtl-profile.c: Remove.
4354 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4356 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4357 magic NULL_RTX comment.
4358 (function_arg): Store entire fp arg to mem if any part should go
4360 (rs6000_arg_partial_bytes): Adjust for above change.
4362 2006-04-11 Roger Sayle <roger@eyesopen.com>
4364 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4365 if it hasn't been initialized by dwarf2out_init.
4367 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4369 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4370 symbolic constants in branch patterns.
4372 2006-04-11 Roger Sayle <roger@eyesopen.com>
4374 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4376 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4378 PR rtl-optimization/27073
4379 * gcse.c (try_replace_reg): Revert last change. Continue to search
4380 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4383 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4385 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4386 aggregate types other than record and union types.
4387 (function_arg): Likewise.
4388 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4390 (function_value): In 64-bit mode, return objects that require it
4393 2006-04-11 Roger Sayle <roger@eyesopen.com>
4395 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4397 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4399 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4401 2006-04-03 Jeff Law <law@redhat.com>
4404 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4405 alias information too.
4407 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4409 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4411 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4414 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4415 (premark_used_types_helper): New.
4416 (premark_used_types): New.
4417 (gen_subprogram_die): Call premark_used_types.
4418 (prune_unused_types_walk): Do not prune perennial dies.
4419 * function.c (used_types_insert): New.
4420 * function.h (struct function): Add used_types_hash field.
4421 (used_types_insert): Add prototype.
4422 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4423 * c-parser.c (c_parser_cast_expression): Save casted types in used
4426 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4429 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4430 rs6000_explicit_options.float_gprs.
4432 2006-04-10 Roger Sayle <roger@eyesopen.com>
4434 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4435 from ix86_expand_vector_init_low_nonzero. Take an additional
4436 one_var argument indicating which element is non-zero. Support
4437 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4438 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4439 with one_var instead of ix86_expand_vector_init_low_nonzero.
4441 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4443 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4444 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4445 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4446 build/genextract.o): Depend on vecprim.h.
4447 * cfglayout.c, df-problems.c, function.c, genextract.c,
4448 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4449 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4453 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4455 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4456 Declare VECs of this type.
4457 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4458 (remove_children): Delete.
4459 (add_dwarf_attr): Use VEC routines.
4460 (add_AT_flag): Update for changes to add_dwarf_attr.
4461 (add_AT_int): Likewise.
4462 (add_AT_unsigned): Likewise.
4463 (add_AT_long_long): Likewise.
4464 (add_AT_vec): Likewise.
4465 (add_AT_string): Likewise.
4466 (add_AT_die_ref): Likewise.
4467 (add_AT_fde_ref): Likewise.
4468 (add_AT_loc): Likewise.
4469 (add_AT_loc_list): Likewise.
4470 (add_AT_addr): Likewise.
4471 (add_AT_lbl_id): Likewise.
4472 (add_AT_lineptr): Likewise.
4473 (add_AT_macptr): Likewise.
4474 (add_AT_offset): Likewise.
4475 (add_AT_range_list): Likewise.
4476 (get_AT): Use VEC_iterate.
4477 (remove_AT): Use VEC_ordered_remove.
4478 (free_die): Fold remove_children into here; have it use VEC_iterate.
4479 (print_die): Use VEC_iterate on attrs.
4480 (reverse_die_lists): Don't reverse attr lists.
4481 (die_checksum): Use VEC_iterate on attrs.
4482 (same_die_p): Likewise.
4483 (output_location_lists): Likewise.
4484 (build_abbrev_table): Likewise.
4485 (size_of_die): Likewise.
4486 (unmark_all_dies): Likewise.
4487 (output_abbrev_section): Likewise.
4488 (output_die): Likewise.
4489 (prune_unused_types_walk_attribs): Likewise.
4491 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4493 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4495 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4498 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4500 2006-04-09 Roger Sayle <roger@eyesopen.com>
4502 * expr.c (store_constructor): Don't bother clearing target if
4503 we're about to assign a vector to it using vec_init_optab.
4505 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4507 * tree-ssa-alias.c (lhs_may_store_to): New function.
4508 (recalculate_used_alone): Handle LHS of calls.
4510 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4514 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4515 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4516 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4517 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4518 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4519 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4520 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4521 stubs. Add ".align 8" directives before all ".dword" directives.
4522 (GTHREAD_USE_WEAK): Revise comment.
4523 (TARGET_ATTRIBUTE_WEAK): Define.
4524 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4525 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4526 * stublib.c: New file.
4531 * pa.md (cbranch patterns): Revise arguments used in calls to
4532 output_cbranch, output_bb and output_bvd. Add long branch length
4534 (fbranch patterns): Handle long branches.
4535 (jump): Revise length check. Revise arguments for output_lbranch call.
4536 Add long branch length attributes.
4537 (decrement_and_branch_until_zero): Add long branch length attributes.
4538 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4539 Likewise. Revise arguments for output_parallel_addb and
4540 output_parallel_movb calls.
4541 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4542 output_parallel_movb and output_parallel_addb): Update prototypes.
4543 * pa.c (output_cbranch): Revise arguments. Correct handling of
4544 nullification in long branches.
4545 (output_lbranch): Add new argument to control extraction of delay
4547 (output_bb): Handle long branches.
4548 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4549 output_parallel_addb): Likewise.
4551 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4553 PR rtl-optimization/27073
4554 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4557 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4559 * tree.h (tree_memory_tag): Add old_used_alone.
4560 (SMT_OLD_USED_ALONE): New macro.
4561 * tree-ssa-alias.c (recalculate_used_alone): Stop
4562 marking things for renaming unnecessarily.
4564 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4566 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4567 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4568 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4569 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4570 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4571 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4572 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4573 spelling convensions.
4574 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4575 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4576 typos. Follow spelling conventions.
4578 2006-04-07 DJ Delorie <dj@redhat.com>
4580 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4581 passed on the stack.
4582 (m32c_init_cumulative_args): When a function returns a structure,
4583 always pass the pointer to that return area on the stack.
4584 (m32c_function_arg_advance): Don't increment the parameter number
4585 if we're processing the returned structure pointer.
4586 (pushm_info): Reverse order of registers.
4588 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4590 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4591 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4592 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4593 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4595 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4596 chrec_fold_multiply): Same.
4597 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4598 force_expr_to_var_cost): Same.
4599 * tree-mudflap.c (mf_xform_derefs_1): Same.
4600 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4602 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4604 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4605 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4608 2006-04-07 Jan Hubicka <jh@suse.cz>
4610 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4612 2006-04-07 Richard Guenther <rguenther@suse.de>
4614 PR tree-optimization/26135
4615 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4616 loads for store copy-prop.
4617 (copy_prop_visit_stmt): Likewise.
4619 2006-04-05 Robert Millan <robertmh@gnu.org>
4621 * config/i386/linux.h: Add a comment to mark macros that are
4622 being overriden in config/k*bsd-gnu.h.
4623 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4625 * config/knetbsd-gnu.h: Ditto.
4627 2006-04-06 Jan Hubicka <jh@suse.cz>
4631 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4634 2006-04-06 Mike Stump <mrs@apple.com>
4636 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4637 for HAVE_nonlocal_goto to be consistent.
4638 (expand_builtin_nonlocal_goto): Likewise.
4639 (expand_builtin_strcmp): Use #ifdef instead of #if
4640 for HAVE_cmpstrnsi to be consistent.
4642 2006-04-05 DJ Delorie <dj@redhat.com>
4644 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4647 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4649 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4650 got-relative addressing for anything but SImode.
4652 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4653 even if the calling function doesn't modify them.
4655 2006-04-05 Richard Guenther <rguenther@suse.de>
4657 PR tree-optimization/26919
4658 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4659 to cgraph_estimate_size_after_inlining.
4661 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4663 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4665 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4667 PR tree-optimization/26996
4668 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4669 VECTOR_TYPE variables.
4671 2006-04-05 Richard Guenther <rguenther@suse.de>
4673 PR tree-optimization/26763
4674 * fold-const.c (fold_comparison): Move folding of
4675 PTR + CST CMP PTR + CST ...
4676 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4678 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4680 * doc/install.texi (Prerequisites): Refine some wording on
4681 bootstrapping and ksh.
4682 Move the version numbers of DejaGnu here from the testing section
4683 and fix casing of names.
4684 Fix markup and clarify wording for autogen requirements.
4685 Refer to GCJ instead of just java.
4686 Refer to SVN instead of CVS.
4687 Describe diffutils as useful instead of necessary.
4688 (Downloading the source): Refer to SVN instead of CVS.
4689 Adjust a link to our web site accordingly.
4690 (Configuration): Fix casing of Bison.
4691 (Building): Refer to SVN instead of CVS.
4692 Fix a sentence on the use of Bison and remove duplicate (and
4693 incorrect) version number of Bison requirement.
4694 Remove one redundant list of packages needed for building.
4695 (Specific): Avoid reference to CVS.
4697 2006-04-04 Eric Christopher <echristo@apple.com>
4699 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4700 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4701 (rs6000_handle_struct_attribute): New.
4702 (rs6000_ms_bitfield_layout_p): Ditto.
4704 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4706 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4707 NULL for dso parameter to atexit_common.
4709 2006-04-04 Eric Christopher <echristo@apple.com>
4711 * config/i386/i386.c (machopic_output_stub): Output \t
4712 between instructions and operands.
4714 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4716 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4717 satisfies_constraint_[IL] to explicit tests on value.
4719 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4721 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4722 set_nb_iterations_in_loop): Use build_int_cst instead of
4724 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4725 build_int_cst instead of convert.
4727 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4729 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4730 new value 2 for incoming.
4731 * function.c (expand_function_start): Call struct_value_rtx
4733 * config/sparc/sparc.md: Comment updated_return.
4734 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4735 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4736 struct return if sparc_std_struct_return and incoming is 2.
4737 (print_operand): Do not adjust return if
4738 sparc_std_struct_return.
4740 2006-04-04 Roger Sayle <roger@eyesopen.com>
4742 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4743 convert in the middle-end.
4744 * expr.c (store_expr, store_constructor, get_inner_reference,
4745 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4747 * tree.c (build_range_type): Likewise.
4749 2006-04-04 Tom Tromey <tromey@redhat.com>
4751 * doc/install.texi (Prerequisites): Mention jar.
4753 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4755 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4758 2006-04-04 Matthias Klose <doko@debian.org>
4760 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4761 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4764 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4766 * doc/extend.texi (Function Attributes): Rewrite visibility
4767 attribute documentation.
4768 * doc/invoke.texi (C++ Dialect Options): Rewrite
4769 -fvisibility-inlines-hidden documentation to describe something
4770 entirely different, although in practise compatible.
4771 (Code Gen Options): Warn about system headers in -fvisibility=
4774 * doc/extend.texi (Other Builtins): Document that
4775 __builtin_nan is a compile-time constant only when its argument
4778 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4780 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4781 trying to remove TRUNCATE check if all bits outside the new mode
4782 are identical to the sign bit.
4784 2006-04-03 Jeff Law <law@redhat.com>
4786 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4787 and operand scanning in some common cases.
4789 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4790 Dale Johannesen <dalej@apple.com>
4793 * regclass.c (struct reg_pref): Update documentation.
4794 (regclass): Set prefclass to NO_REGS if memory is the best option.
4795 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4796 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4797 into account. For non-registers, equate an empty preferred
4798 reload class to a `!' in the constraint; move the if clause to
4799 do so after those that reject the insn.
4800 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4802 (find_dummy_reload): Likewise.
4803 * doc/tm.texi (Register Classes): Document what it means
4804 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4805 * config/i386/i386.c (ix86_preferred_reload_class): Force
4806 using SSE registers (and return NO_REGS for floating-point
4807 constants) if math is done with SSE.
4808 (ix86_preferred_output_reload_class): New.
4809 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4810 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4811 * config/i386/i386.md: Remove # register preferences.
4813 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4816 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4817 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4818 the type of nb_iter.
4819 (instantiate_parameters_1): Convert the operands before calling
4820 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4821 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4823 2006-04-02 Roger Sayle <roger@eyesopen.com>
4825 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4826 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4828 * dojump.c (do_jump): Likewise.
4829 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4830 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4831 gimplify_boolean_expr): Likewise.
4832 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4833 * varasm.c (array_size_for_constructor): Likewise.
4834 * tree-object-size.c (compute_object_offset): Likewise.
4836 2006-04-02 Roger Sayle <roger@eyesopen.com>
4839 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4840 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4842 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4844 PR tree-optimization/26939
4845 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4847 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4849 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4850 at_stmt. Convert the type of operands before calling
4851 build_polynomial_chrec.
4852 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4854 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4855 (instantiate_parameters_1): Convert the type of operands before calling
4856 build_polynomial_chrec.
4857 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4858 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4859 reset_evolution_in_loop): Insert asserts to check the types of the
4861 (chrec_type): Moved...
4862 (eq_evolutions_p): Use operand_equal_p.
4863 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4864 the types of the operands.
4865 (chrec_type): ...here.
4866 * tree-data-ref.c (create_data_ref): Convert the operands before
4867 calling chrec_replace_initial_condition.
4868 (same_access_functions, analyze_subscript_affine_affine,
4869 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4870 (compute_subscript_distance, analyze_ziv_subscript,
4871 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4872 analyze_miv_subscript): Convert the operands before calling
4873 chrec_fold_minus or chrec_fold_plus.
4875 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4877 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4878 the dependence_relations vector.
4879 (compute_data_dependences_for_loop): Adjust call to
4880 compute_all_dependences.
4882 2006-04-01 Roger Sayle <roger@eyesopen.com>
4883 Richard Henderson <rth@redhat.com>
4885 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4886 gimple_boolify on the condition before calling gimplify_expr.
4888 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4890 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4891 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4892 the frame size. Update to use the new macros.
4893 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4894 * config/xtensa/ieee754-df.S: Likewise.
4896 2006-03-31 Richard Henderson <rth@redhat.com>
4898 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4899 (make_edges): ... here. Control fallthru creation with a local
4900 variable. Do not play with fake edges.
4901 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4902 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4905 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4907 * dwarf2.h (DW64_CIE_ID): Define.
4908 * dwarf2out.c (DWARF_CIE_ID): Define.
4909 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4910 length header. Use DWARF_CIE_ID.
4911 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4912 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4914 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4916 * config/sh/linux-atomic.asm: New file.
4917 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4919 2006-03-31 DJ Delorie <dj@redhat.com>
4921 * config/m32c/cond.md: Set condition flags properly throughout.
4922 * config/m32c/minmax.md: Likewise.
4923 * config/m32c/prologue.md: Likewise.
4924 * config/m32c/bitops.md: Likewise.
4925 * config/m32c/muldiv.md: Likewise.
4926 * config/m32c/mov.md: Likewise.
4927 * config/m32c/addsub.md: Likewise.
4928 * config/m32c/m32c.md: Likewise.
4929 * config/m32c/jump.md: Likewise.
4930 * config/m32c/shift.md: Likewise.
4932 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4933 conditionally output the pattern for this.
4934 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4935 (m32c_compare_redundant): New.
4936 (m32c_output_compare): New.
4937 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4939 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4940 dest, not src. Allow other 4-byte modes.
4942 2006-03-30 Denis Chertykov <denisc@overta.ru>
4944 * doc/md.texi: Refer to avr/constraints.md instead of
4947 2006-03-30 Roger Sayle <roger@eyesopen.com>
4949 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4950 signed vs. unsigned comparison failures on some hosts.
4952 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4955 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4956 change to FLOAT_REGS.
4958 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4959 (rs6000_override_options): Use it.
4960 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4961 only for -mabi=spe/no-spe and -mabi=altivec.
4963 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4965 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4968 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4970 * Makefile.in: Rename docdir to gcc_docdir.
4972 2006-03-30 Roger Sayle <roger@eyesopen.com>
4975 * expr.c (emit_group_store): Optimize group stores into a pseudo
4976 register by using a paradoxical subreg to initialize the destination
4977 if the first or last member of the group specifies a "low part".
4979 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4982 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4983 * target.h (struct gcc_target.speculate_insn): Change type of the
4984 second parameter to 'int'.
4985 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4986 the second operand of the DEPS_LIST.
4987 (copy_DEPS_LIST_list): Update reference to the second operand of the
4989 * rtl.h (alloc_DEPS_LIST): Update signature.
4990 * sched-int.h (ds_t): Change typedef to 'int'.
4991 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4993 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4995 * haifa-sched.c (try_ready): Change condition to restore
4996 non-speculative pattern of the instruction.
4997 (process_insn_depend_be_in_spec): Code to keep probability of the
4998 speculative dependence non-decreasing.
5000 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5002 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5003 (single_move_for_movmem): ... this. Also change all uses.
5004 (bfin_expand_strmov): Renamed to...
5005 (bfin_expand_movmem): ... this. Also change all uses.
5006 * config/bfin/bfin.md (movstrsi): Renamed to...
5007 (movstrsi): ...this.
5009 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5011 PR tree-optimization/26830
5013 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5014 (copy_prop_visit_stmt): Remove write-only variable ann.
5015 (init_copy_prop): Check variable loop depth here. Do not simulate
5016 memory-tag and virtual operand PHIs except for store copy prop.
5018 2006-03-30 Richard Guenther <rguenther@suse.de>
5020 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5021 variants with double arguments.
5023 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5025 * genpreds.c (write_tm_constrs_h): Delete variable p.
5026 * genconditions.c (write_header): Add tm-constrs.h to included
5028 * genpeep.c (main): Add toplev.h to included headers.
5029 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5030 (build/genpeep.o): Add toplev.h dependency.
5031 * config/rs6000/constraints.md: Add "W" constraint.
5033 2006-03-29 Roger Sayle <roger@eyesopen.com>
5035 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5036 sizes by correctly testing whether the size fits a host integer.
5037 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5038 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5039 SImode range for the default sizetype and bitsizetype.
5041 2006-03-29 Roger Sayle <roger@eyesopen.com>
5043 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5044 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5045 quickly if the argument is already of the correct type.
5046 Call fold_build1 instead of build1. Tidy up blank lines.
5048 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5050 * genemit.c (main): Add tm-constrs.h to included headers.
5051 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5052 * genpeep.c (main): Add tm-constrs.h to included headers.
5053 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5054 (write_tm_constrs_h): this and write complete file.
5055 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5056 (write_insn_preds_c): Add tm-constrs.h to included headers.
5057 (gen_constrs): New variable.
5058 (parse_option): Parse "-c".
5059 (main): Invoke write_tm_constrs_h.
5060 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5061 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5062 (object_out_file): Add tm-constrs.h dependency.
5063 (insn-emit.o): Same.
5064 (insn-output.o): Same.
5065 (insn-peep.o): Same.
5066 (insn-preds.o): Same.
5067 (insn-recog.o): Same.
5068 (tm-constsr.h): New target.
5069 (s-constrs-h): New target.
5071 * config/rs6000/constraints.md: New file.
5072 * config/rs6000/rs6000.c: Include tm-constrs.h.
5073 (num_insn_constant_wide): Convert to satisfies_constraint.
5074 (rs6000_rtx_costs): Convert to satisfies_constraint.
5075 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5076 (CONST_OK_FOR_LETTER_P): Delete.
5077 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5078 (EXTRA_CONSTRAINT): Delete.
5079 (EXTRA_MEMORY_CONSTRAINT): Delete.
5080 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5081 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5082 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5083 satisfies_constraint.
5085 * config/i386/i386.c: Include tm-constrs.h.
5087 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5089 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5090 * tree-data-ref.c (find_data_references_in_loop,
5091 compute_data_dependences_for_loop): Use pointers to VEC.
5092 (analyze_all_data_dependences): Adjust calls.
5093 * tree-data-ref.h (find_data_references_in_loop,
5094 compute_data_dependences_for_loop): Adjust declarations.
5095 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5096 compute_data_dependences_for_loop.
5098 2006-03-29 Paul Brook <paul@codesourcery.com>
5100 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5103 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5105 PR tree-optimization/26859
5106 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5108 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5109 for the step after fold_convert.
5111 2006-03-29 Paul Brook <paul@codesourcery.com>
5113 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5114 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5116 2006-03-29 Paul Brook <paul@codesourcery.com>
5119 * targhooks.c (default_narrow_bitfield): New fuction.
5120 * targhooks.h (default_narrow_bitfield): add prototype.
5121 * target.h (gcc_target): Add narrow_volatile_bitfield.
5122 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5123 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5124 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5125 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5127 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5129 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5131 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5132 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5133 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5134 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5135 (s390_function_arg_float): Allow SDmode and DDmode values to be
5136 passed in floating point registers.
5137 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5138 check with SCALAR_FLOAT_MODE_P.
5139 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5141 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5143 PR tree-optimization/25985
5144 * tree-ssa-loop-niter.c (number_of_iterations_le,
5145 number_of_iterations_ne): Make comments more precise.
5146 (number_of_iterations_cond): Add only_exit argument. Use the
5147 fact that signed variables do not overflow only when only_exit
5149 (loop_only_exit_p): New.
5150 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5151 number_of_iterations_cond.
5153 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5155 PR tree-optimization/26643
5156 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5159 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5161 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5162 (divsi3_i4_int): Likewise.
5164 2006-03-28 Roger Sayle <roger@eyesopen.com>
5166 * expr.c (emit_group_store): Only create a new pseudo reg if the
5167 quantity it needs to hold isn't already a suitable pseudo.
5169 2006-03-28 Jeff Law <law@redhat.com>
5171 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5172 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5174 2006-03-28 Roger Sayle <roger@eyesopen.com>
5176 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5177 the equivalent ~X & Y, and the symmetry related transformations.
5178 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5179 ~X & Y, and symmetry related transforms.
5181 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5183 Revert my 2006-03-27 patches.
5185 2006-03-28 Roger Sayle <roger@eyesopen.com>
5187 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5188 ~(T1)X, when T1 and T2 are integer types of the same precision
5189 and (T2)X isn't an extension.
5191 2006-03-28 Jeff Law <law@redhat.com>
5193 PR tree-optimization/26796
5194 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5195 need EH edge cleanups rather than purging them immediately.
5196 (eliminate_degenerate_phis): Handle queued EH cleanups.
5198 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5200 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5203 2006-03-27 Roger Sayle <roger@eyesopen.com>
5206 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5207 cast BIT_NOT_EXPR operand to the correct type.
5209 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5211 * tree-loop-linear.c: Don't include varray.h.
5212 (gather_interchange_stats, try_interchange_loops,
5213 linear_transform_loops): Use VEC instead of VARRAY.
5214 * lambda-mat.c: Don't include varray.h.
5215 * tree-chrec.c: Same.
5216 * lambda-trans.c: Same.
5217 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5218 VEC instead of VARRAY.
5219 * tree-vectorizer.h: Idem.
5220 * tree-data-ref.c (dump_data_references,
5221 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5222 initialize_data_dependence_relation, finalize_ddr_dependent,
5223 compute_all_dependences, find_data_references_in_loop,
5224 compute_data_dependences_for_loop, analyze_all_data_dependences,
5225 free_dependence_relation, free_dependence_relations,
5226 free_data_refs): Idem.
5227 * tree-data-ref.h (data_reference_p, subscript_p): New.
5228 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5229 VEC instead of VARRAY.
5230 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5231 (find_data_references_in_loop, compute_data_dependences_for_loop,
5232 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5233 dump_data_dependence_relations, free_dependence_relations,
5234 free_data_refs): Adjust declaration.
5235 (lambda_transform_legal_p): Move declaration here...
5236 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5237 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5238 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5239 vect_analyze_data_refs): Use VEC instead of VARRAY.
5240 * lambda.h (lambda_transform_legal_p): ...from here.
5241 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5242 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5243 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5244 tree-chrec.o): Don't depend on VARRAY_H.
5246 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5248 * rtl.def (Copyright): Update date.
5249 (DEPS_LIST): Change type of the second operand to 'int'.
5250 * target.h (Copyright): Update date.
5251 (struct gcc_target.speculate_insn): Change type of the second parameter
5253 * lists.c (Copyright): Update date.
5254 (alloc_DEPS_LIST): Change signature. Update reference to the second
5255 operand of the DEPS_LIST.
5256 (copy_DEPS_LIST_list): Update reference to the second operand of the
5258 * rtl.h (Copyright): Update date.
5259 (alloc_DEPS_LIST): Update signature.
5260 * sched-int.h (Copyright): Update date.
5261 (ds_t): Change typedef to 'int'.
5262 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5264 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5266 * haifa-sched.c (Copyright): Update date.
5267 (try_ready): Change condition to restore non-speculative pattern
5269 (process_insn_depend_be_in_spec): Code to keep probability of the
5270 speculative dependence non-decreasing.
5272 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5274 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5275 shut up the compiler.
5277 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5279 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5280 to use lib prefix for target.
5281 ($(T)libic_invalidate_array_4-200.a): Likewise.
5282 ($(T)libic_invalidate_array_4a.a): Likewise.
5284 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5285 J"orn Rennecke <joern.rennecke@st.com>
5287 * superh.opt: New file.
5288 * sh.c (boardtype, osruntime): Remove.
5289 * superh.h (SUBTARGET_OPTIONS): Remove.
5290 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5292 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5293 arguments with ^ and/or [].
5295 * config.gcc (sh-*-*): Add quoting to account for quirk of
5297 Replace == with = in enable_incomplete_targets test.
5299 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5300 with MASK_LITTLE_ENDIAN.
5302 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5303 * config/sh/sh.opt: Added to some comments.
5304 * config/sh/superh.h: Removed some chaff.
5306 * config/sh/sh.opt: Add m4-[1234]00* options.
5307 * config/sh/sh.c (sh_handle_option): Likewise.
5308 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5309 (ic_invalidate_array_4-100.o): New rule.
5310 ($(T)libic_invalidate_array_4-100.a): Likewise.
5311 (ic_invalidate_array_4-200.o): Likewise.
5312 ($(T)libic_invalidate_array_4-200.a): Likewise.
5313 (ic_invalidate_array_4a.o): Likewise.
5314 ($(T)libic_invalidate_array_4a.a): Likewise.
5315 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5316 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5318 * config/sh/crt1.asm: Merged in profiling code.
5319 * config/sh/superh.h (STARTFILE_SPEC): Override.
5320 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5321 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5322 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5324 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5325 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5326 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5328 * sh.opt (mpretend-cmove): New option.
5329 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5330 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5331 (movsicc): Add TARGET_PRETEND_CMOVE code.
5333 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5335 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5336 s390_class_max_nregs): New function prototypes.
5337 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5338 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5339 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5340 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5342 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5344 * dwarf2out.c (add_location_or_const_value_attribute): Call
5345 tree_add_const_value_attribute if nothing else works.
5346 (reference_to_unused): New.
5347 (rtl_for_decl_init): Use reference_to_unused to decide whether
5348 to output an initializer.
5350 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5353 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5354 peephole removing spe frob_di_df_2.
5356 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5358 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5359 (subscript_dependence_tester_1): Declared.
5360 (print_dir_vectors, print_dist_vectors): New.
5361 (debug_data_dependence_relation): New.
5362 (dump_data_dependence_relation): Print more details.
5363 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5364 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5365 (save_dist_v, save_dir_v, add_outer_distances,
5366 build_classic_dist_vector_1): New.
5367 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5368 Don't test for lambda_vector_lexico_pos.
5369 (same_access_functions, add_multivariate_self_dist,
5370 add_other_self_distances, dir_from_dist): New.
5371 (build_classic_dir_vector): Replace implementation almost identical to
5372 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5374 (subscript_dependence_tester_1): New.
5375 (subscript_dependence_tester): Handle the lexicographically negative
5376 distance vectors by recomputing the dependence relation.
5377 (compute_affine_dependence): Remove parameter loop_nest_depth.
5378 (compute_self_dependence): Don't call compute_subscript_distance.
5379 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5380 Add a parameter for the loop_nest.
5381 (find_loop_nest_1, find_loop_nest): New.
5382 (compute_data_dependences_for_loop): Compute the loop nest, and give
5383 up if the nest is not well formed.
5384 * tree-data-ref.h (loop_p): New.
5385 (struct data_dependence_relation): Replace size_vect field with
5386 loop_nest, a vec of loops.
5387 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5388 (DDR_LOOP_NEST): New.
5389 (print_dir_vectors, print_dist_vectors,
5390 debug_data_dependence_relation): Declared.
5391 (index_in_loop_nest): New.
5392 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5393 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5396 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5398 * simplify-rtx.c (simplify_relational_operation): Call
5399 simplify_relational_operation_1 even if mode is VOIDmode.
5401 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5403 PR tree-optimization/26804
5404 * tree.h (DECL_CALL_CLOBBERED): New macro.
5405 (tree_decl_common): Add call_clobbered_flag.
5406 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5407 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5408 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5409 (mark_non_addressable): Ditto.
5410 * tree-ssa.c (verify_call_clobbered): New function.
5411 (verify_alias_info): Use it.
5412 * tree-pass.h (pass_reset_cc_flags): New prototype.
5413 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5414 (reset_cc_flags): New function.
5415 * passes.c (init_optimization_passes): Call reset_cc_flags after
5416 initializing referenced_vars.
5418 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5419 Roger Sayle <roger@eyesopen.com>
5422 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5423 to 1.0 for non-real operands. Implement A / A optimization for
5426 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5428 * config/i386/i386.c (size_cost): Correct the comment for
5429 cost of storing fp registers.
5430 (i386_cost): Likewise.
5431 (i486_cost): Likewise.
5432 (pentium_cost): Likewise.
5433 (pentiumpro_cost): Likewise.
5434 (k6_cost): Likewise.
5435 (athlon_cost): Likewise.
5436 (k8_cost): Likewise.
5437 (pentium4_cost): Likewise.
5438 (nocona_cost): Likewise.
5439 (generic64_cost): Likewise.
5440 (generic32_cost): Likewise.
5442 2006-03-24 Denis Chertykov <denisc@overta.ru>
5444 * config/avr/avr-protos.h (extra_constraint): Delete.
5445 (extra_constraint_Q): New declaration.
5446 * config/avr/constraints.md: New file.
5447 * config/avr/avr.md: Include it.
5448 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5449 (TMP_REGNO, ZERO_REGNO): Likewise.
5450 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5451 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5452 (extra_constraint): Delete.
5453 (extra_constraint_Q): Test for memory constraint 'Q'.
5454 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5455 (REG_CLASS_FROM_LETTER): Delete.
5456 (CONST_OK_FOR_LETTER_P): Delete.
5457 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5458 (EXTRA_CONSTRAINT): Delete.
5459 (TMP_REGNO): Delete.
5460 (ZERO_REGNO): Delete.
5462 2006-03-24 Jeff Law <law@redhat.com>
5464 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5465 directly. Call mark_new_vars_to_rename slightly earlier.
5467 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5469 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5471 (gen_compile_unit_die): Use new language types for Objective-C and
5473 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5474 DW_LANG_C_plus_plus.
5477 * config/t-darwin (crt3.o): Work around bug 26840.
5478 * config/darwin-crt3.c: Rewrite.
5479 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5481 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5483 * doc/invoke.texi: Document -femit-class-debug-always
5484 * common.opt: Add -femit-class-debug-always.
5486 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5488 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5489 index and base register.
5490 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5491 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5492 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5493 REGNO_OK_FOR_INDEX_P.
5494 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5496 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5497 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5498 REG_OK_FOR_BASE_P): Definitions removed.
5500 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5503 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5504 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5505 set yet or weren't marked as local yet.
5507 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5509 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5512 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5514 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5515 (rs6000_legitimate_small_data_p): Delete.
5516 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5517 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5518 and make static. Add forward declaration. Update uses.
5519 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5520 of offsettable_memref_p.
5521 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5522 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5524 2006-03-24 Jeff Law <law@redhat.com>
5526 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5527 around bug in immediate-use iterator.
5529 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5532 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5533 or __LITTLE_ENDIAN__.
5535 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5537 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5538 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5539 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5540 * config/sh/sh.opt (mdiv=): Amend description.
5541 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5542 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5543 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5544 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5545 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5546 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5547 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5548 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5549 TARGET_DIVIDE_CALL_FP.
5551 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5553 * haifa-sched.c (choose_ready): Fix type of the local variable.
5554 Move local variables. Add comment.
5555 (check_reg_live): Change signature. Make callable from debugger.
5556 * sched-int.h (check_reg_live): Update signature.
5557 * sched-ebb.c (check_reg_live): Update parameters.
5558 * sched-rgn.c (check_reg_live): Ditto.
5559 (region_head_or_leaf_p): Check pointer before dereferencing.
5560 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5561 before reload on optimization levels below 1.
5563 2006-03-23 Richard Henderson <rth@redhat.com>
5565 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5569 * config/alpha/predicates.md (local_symbolic_operand): Reject
5572 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5575 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5576 expressions which have overflowed constants.
5578 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5580 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5582 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5584 * cfgloopmanip.c (create_loop_notes): Removed.
5585 * final.c (final_scan_insn): Do not handle loop notes.
5586 * jump.c (squeeze_notes): Ditto.
5587 * cfglayout.c (skip_insns_after_block,
5588 duplicate_insn_chain): Ditto.
5589 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5591 * cfgloop.h (create_loop_notes): Declaration removed.
5593 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5595 * varasm.c (output_constant_pool): Restore fnname and fndecl
5597 (assemble_start_function): Adjust call accordingly.
5598 (assemble_end_function): Likewise.
5600 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5603 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5606 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5608 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5611 * system.h (ICE_EXIT_CODE): New macro.
5612 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5613 (diagnostic_action_after_output): Likewise.
5614 * gcc.c (fatal_ice): New function.
5615 (execute): Use it instead of fatal.
5616 (fancy_abort): Likewise.
5617 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5619 2006-03-22 Jeff Law <law@redhat.com>
5621 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5622 iv_analyze_result returning false.
5624 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5626 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5628 2006-03-22 Richard Henderson <rth@redhat.com>
5631 * except.c (duplicate_eh_regions_0): New.
5632 (duplicate_eh_region_1): Duplicate the children of the node as
5633 well as the node itself. Link them up properly.
5634 (duplicate_eh_region_2): Merge into ...
5635 (duplicate_eh_regions): ... here. Take copy_region argument, and
5636 copy only a sub-tree if asked. Simplify copying and fixup.
5637 (eh_region_outer_p): New.
5638 * except.h (duplicate_eh_regions): Update decl.
5639 (eh_region_outer_p): Declare.
5640 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5641 (lower_omp_master): Likewise.
5642 (lower_omp_ordered): Likewise.
5643 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5644 (move_stmt_r): Use it to remap labels. Handle recursion vs
5645 remap_decls_p properly.
5646 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5647 (find_outermost_region_in_block): New.
5648 (new_label_mapper): New.
5649 (move_sese_region_to_fn): Copy eh information to the new function
5651 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5653 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5656 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5658 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5659 into shared libraries.
5661 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5663 * doc/md.texi: Refer to i386/constraints.md instead of
5665 * config/i386/constraints.md: New file, extracted from...
5666 * config/i386/predicates.md: ...here.
5667 * config/i386/i386.md: Include constraints.md.
5669 2006-03-21 Jason Merrill <jason@redhat.com>
5671 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5674 * expr.c (init_block_move_fn): Force default visibility.
5675 (init_block_clear_fn): Likewise.
5676 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5677 * targhooks.c (default_external_stack_protect_fail): Likewise.
5679 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5681 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5682 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5683 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5684 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5685 (loadgp): Use mips_current_loadgp_style.
5686 (loadgp_noshared): New pattern.
5687 (sibcall_internal): Use MIPS_CALL.
5688 (sibcall_value_internal): Likewise.
5689 (sibcall_value_multiple_internal): Likewise.
5690 (call_internal): Likewise.
5691 (call_value_internal): Likewise.
5692 (call_value_multiple_internal): Likewise.
5693 (call_split): Use MIPS_CALL and add an 'S' constraint.
5694 (call_value_split): Likewise.
5695 (call_value_multiple_split): Likewise.
5696 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5697 (-mshared): New option.
5698 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5699 (mips_current_loadgp_style): Declare.
5700 * config/mips/mips.c (mips_classify_symbol): Avoid using
5701 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5702 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5703 TARGET_ABSOLUTE_ABICALLS.
5704 (override_options): Adjust comments. Improve the warning that is
5705 issued when -mabicalls and -G are used together.
5706 (mips_file_start): Remove comment.
5707 (mips_current_loadgp_style): New function.
5708 (mips_gnu_local_gp): New variable.
5709 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5711 (mips_output_function_prologue): Use mips_current_laodgp_style.
5712 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5713 the cprestore instruction.
5714 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5715 live for TARGET_ABSOLUTE_ABICALLS.
5716 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5717 (ASM_SPEC): Pass down -mshared and -mno-shared.
5718 (MIPS_CALL): New macro.
5719 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5721 * doc/invoke.texi (-mabicalls): Update documentation.
5722 (-mshared): Document.
5724 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5726 * config/ia64/unwind-hpux.c: New file.
5727 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5729 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5732 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5734 2006-03-21 Jeff Law <law@redhat.com>
5736 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5737 type conversions of a VR_VARYING source to a wider type.
5739 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5741 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5742 tm_file on Solaris 10 and later.
5743 (sparc64-*-solaris2*): Likewise.
5744 (sparc-*-solaris2*): Likewise.
5745 * config/sol26.h: Rename to config/sol2-6.h.
5746 * config/sol2-10.h: New file.
5748 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5751 * tree-ssa-pre.c (create_component_ref_by_pieces):
5754 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5757 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5758 return it immediately.
5760 2006-03-21 Michael Matz <matz@suse.de>
5762 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5764 (remove_arc, add_arc): Update num_out_arcs member.
5765 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5767 (cache_presence): New function.
5768 (compare_states_for_equiv): New function.
5769 (state_is_differed): Don't take number of outargs, adjust callers.
5770 Use new invariant for speeding up.
5771 (init_equiv_class): Create initial classes based on sorted
5773 (partition_equiv_class): Don't track out_arcs_num.
5774 (evaluate_equiv_classes): Call cache_presence on all states and
5777 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5779 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5780 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5781 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5782 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5784 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5785 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5786 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5787 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5788 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5790 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5791 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5792 (REGNO_REG_CLASS): ARGP is in PREGS.
5793 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5795 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5796 to deal with those addresses.
5797 * addresses.h: New file.
5798 * caller-save.c: Include "addresses.h".
5799 (init_caller_save): Use new base_reg_class function.
5800 * rtl-factoring.c: Include "addresses.h".
5801 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5802 * recog.c: Include "addresses.h".
5803 (preprocess_constraints): Use new base_reg_class function.
5804 * regrename.c: Include "addresses.h".
5805 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5806 functions. Keep track of a new var INDEX_CODE to compute valid
5808 (replace_oldest_value_addr): Likewise.
5809 (replace_oldest_value_mem): Use base_reg_class.
5810 * reload.c: Include "addresses.h".
5811 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5812 (find_reloads): Use new base_reg_class function.
5813 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5814 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5815 all callers and prototype changed.
5816 * reload1.c: Include "addresses.h".
5817 (maybe_fix_stack_asms): Use base_reg_class.
5818 * regclass.c: Include "addresses.h".
5819 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5820 (init_reg_autoinc): Use new base_reg_class function.
5821 (record_reg_classes): Likewise.
5822 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5823 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5824 Use new args to compute necessary class.
5826 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5827 regrename.o, rtl-factoring.o): Update dependencies.
5828 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5829 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5830 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5831 REG_OK_FOR_INDEX_P): Delete documentation.
5833 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5835 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5836 from V7 to V9 for Solaris 7 and above.
5838 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5840 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5841 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5842 argument pointers may not alias any other storage.
5843 * common.opt: Define option -fargument-noalias-anything.
5844 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5845 alias semantics is specified by flag_argument_noalias > 2.
5847 2006-03-20 Jeff Law <law@redhat.com>
5849 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5850 (pass_phi_only_cprop): Declare.
5851 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5853 * tree-ssa-dom.c (degenerate_phi_result): New function.
5854 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5855 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5856 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5857 (eliminate_degenerate_phis): Likewise.
5858 (pass_phi_only_cprop): New pass descriptor.
5859 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5860 support code. Callers updated.
5861 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5862 (store_copy_prop): Likewise.
5863 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5865 2006-03-20 Jason Merrill <jason@redhat.com>
5868 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5869 (push_visibility, pop_visibility): Likewise.
5870 * c-pragma.h: Declare them.
5872 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5874 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5876 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5877 parameter and use get_ebb_head_tail.
5878 (sh_md_init_global): Adjust uses of find_regmode_weight.
5880 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5882 * function.h (struct function) <x_tail_recursion_reentry>:
5883 Rename to x_stack_check_probe_note.
5884 (tail_recursion_reentry): Rename to stack_check_probe_note.
5885 * function.c: Replace tail_recursion_reentry with
5886 stack_check_probe_note everywhere.
5887 (expand_function_start): Only emit a note for
5888 stack_check_probe_note with -fstack-protect.
5889 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5891 * emit-rtl.c (remove_unnecessary_notes): Remove.
5892 (pass_remove_unnecessary_notes): Remove.
5893 * rtl.h (remove_unnecessary_notes): Remove prototype.
5894 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5895 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5896 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5898 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5901 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5902 (valid_in_set): Handle ARRAY_REF.
5903 Change "if min_variant or VH" to asserts.
5904 (create_component_ref_by_pieces): Handle ARRAY_REF.
5905 (create_expression_by_pieces): Likewise.
5906 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5908 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5910 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5911 is operand of switch, not str[0].
5913 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5915 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5916 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5918 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5920 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5921 end of insn_extra_address_constraint declaration.
5923 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5925 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5926 (no-sum-in-toc): Same.
5927 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5929 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5930 NO_FP_IN_TOC for -fPIC instead of mask.
5932 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5933 (BOOT_LDFLAGS): Delete.
5935 * config/rs6000/t-aix52: Same.
5937 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5938 (stmsi[345678]_power): New.
5940 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5942 * config/ia64/ia64.opt: Add empty line to end of file.
5944 2006-03-17 Richard Guenther <rguenther@suse.de>
5947 * builtins.c (get_pointer_alignment): For component style references
5948 adjust alignment to the component type alignment. Make sure
5949 to adjust alignment for component access of constants.
5951 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5953 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5956 2006-03-17 Paul Brook <paul@codesourcery.com>
5958 * doc/install.texi: Docuemnt --with-mode.
5959 * config.gcc: Add --with-mode for arm*-*-*.
5960 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5962 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5964 * sh.c (max_labelno_before_reorg): New variable.
5965 (sh_reorg): Initialize it.
5966 (find_barrier): Check max_labelno_before_reorg before using
5967 label_to_alignment. Take length of explicit alignment insns
5968 into account. When seeing a UNSPECV_CONST_END, return it.
5970 * sh.c (fixup_mova): Set mode of affected label to QImode.
5971 (untangle_mova): New function.
5972 (find_barrier): Use it. Check mode of label before decrementing
5974 (sh_reorg): Likewise.
5975 Set mode of all insns back to VOIDmode.
5977 * sh.c (MOVA_LABELREF): New macro.
5978 (mova_p, fixup_mova, sh_reorg): Use it.
5979 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5980 ADDR_DIFF_VEC matches mova.
5982 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5984 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5985 with ATTRIBUTE_UNUSED.
5987 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5989 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5990 pointer, instead of assuming it is possible to derive the
5991 correct args size from a call insn.
5993 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5995 * rtl.h (CONST_INT_P): Define.
5996 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5997 instead of GET_CODE(x) == CONST_INT.
5998 (vax_rtx_costs): Likewise.
5999 (vax_output_int_move): Likewise.
6000 (vax_output_int_add): Likewise.
6001 (legitimate_constant_address_p): Likewise.
6002 (index_term_p): Likewise.
6003 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6004 * config/vax/vax.md (and<mode>3): Likewise.
6005 (ashrsi3): Likewise.
6007 (movstricthi): Likewise.
6008 (movstrictqi): Likewise.
6009 (rotrsi3): Likewise.
6010 (five unnamed insns): Likewise.
6012 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6014 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6015 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6016 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6017 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6018 Pass to ASM_OUTPUT_DWARF_OFFSET.
6019 * dwarf2out.c (debug_frame_section): New.
6020 (output_call_frame_info): Use debug_frame_section. Pass it to
6021 dw2_asm_output_offset.
6022 (output_die): Pass appropriate section to dw2_asm_output_offset.
6023 (output_compilation_unit_header): Likewise.
6024 (output_pubnames): Likewise.
6025 (output_aranges): Likewise.
6026 (enum dw_val_class): Break dw_val_class_lbl_offset into
6027 dw_val_class_lineptr and dw_val_class_macptr.
6028 (add_AT_lbl_offset): Delete.
6029 (add_AT_lineptr): New.
6030 (add_AT_macptr): New.
6031 (AT_lbl): Expect a lineptr or macptr.
6032 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6033 (attr_checksum): Likewise.
6034 (same_dw_val_p): Likewise.
6035 (size_of_die): Likewise.
6036 (value_format): Likewise.
6037 (output_die): Likewise.
6038 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6040 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6041 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6042 * config/darwin-protos.h (darwin_file_start): New.
6043 (darwin_asm_output_dwarf_offset): New.
6044 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6045 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6047 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6048 if not EH section; simplify.
6049 (darwin_file_start): New.
6050 (darwin_asm_output_dwarf_offset): New.
6051 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6053 (DEBUG_INFO_SECTION): Likewise.
6054 (DEBUG_ABBREV_SECTION): Likewise.
6055 (DEBUG_ARANGES_SECTION): Likewise.
6056 (DEBUG_MACINFO_SECTION): Likewise.
6057 (DEBUG_LINE_SECTION): Likewise.
6058 (DEBUG_LOC_SECTION): Likewise.
6059 (DEBUG_PUBNAMES_SECTION): Likewise.
6060 (DEBUG_STR_SECTION): Likewise.
6061 (DEBUG_RANGES_SECTION): Likewise.
6062 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6063 (ASM_OUTPUT_DWARF_OFFSET): New.
6065 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6067 * config.gcc (tm_defines): Always add to previous value rather
6070 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6072 * config/mips/predicates.md (splittable_const_int_operand): New,
6073 split from move_operand.
6074 (splittable_symbolic_operand): New.
6075 (move_operand): Add commentary. Use splittable_const_int_operand.
6076 Inline mips_atomic_symbolic_constant_p.
6077 * config/mips/mips.md: Add combine splitters for handling moves
6078 of splittable_const_int_operands and splittable_symbolic_operands.
6079 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6080 (mips_split_symbol): Declare.
6081 (mips_move_integer): Declare.
6082 * config/mips/mips.c (mips_split_p): Make global.
6083 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6084 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6085 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6086 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6087 (mips_offset_within_object_p): Handle block symbols.
6088 (mips_atomic_symbolic_constant_p): Delete.
6089 (mips_cannot_force_const_mem): Return false for constants that
6090 mips_legitimize_move can handle.
6091 (mips_use_blocks_for_constant_p): New function.
6092 (mips_split_symbol): Make global.
6093 (mips_move_integer): Likewise. Add a temporary register argument.
6094 (mips_legitimize_const_move): Use splittable_const_int_operand and
6095 splittable_symbolic_operand.
6096 (mips_use_anchors_for_symbol_p): New function.
6097 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6098 (mips_split_p): Declare.
6100 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6102 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6103 (mips*-*-linux*): Likewise.
6105 2006-03-16 Roger Sayle <roger@eyesopen.com>
6106 Daniel Speyer <dspeyer@wam.umd.edu>
6109 * tree-dump.c (dump_real): New function.
6110 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6111 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6112 (tree-dump.o): Add $(REAL_H) to the dependencies.
6114 2006-03-16 Roger Sayle <roger@eyesopen.com>
6117 * real.c (real_from_string): If the mantissa is zero, don't bother
6118 parsing the exponent as the result should always be zero.
6120 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6122 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6124 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6126 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6127 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6128 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6129 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6130 ia64_sched_finish_global): New static functions to implement
6131 hooks from gcc_target.sched.
6132 (spec_check_no, max_uid, pending_data_specs): New static variables.
6133 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6134 ia64_spec_check_src_p): New static functions.
6135 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6136 (TARGET_SCHED_ADJUST_COST): Removed.
6137 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6138 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6139 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6140 TARGET_SCHED_GEN_CHECK,
6141 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6142 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6143 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6144 Fixed to handle speculation checks.
6145 (rtx_needs_barrier): Fixed to handle speculative loads and
6147 (ia64_variable_issue): Added code to count speculative loads and their
6149 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6151 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6153 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6155 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6156 (ia64_reorg): Reset stops_p to NULL after it is freed.
6157 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6158 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6159 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6161 (data_speculative, control_speculative, check_load): New attributes.
6162 (mov<mode>_advanced, mov<mode>_speculative,
6163 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6164 zero_extend<mode>di2_speculative,
6165 zero_extend<mode>di2_speculative_advanced): New patterns for
6166 data and control speculative loads.
6167 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6169 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6170 New pattern for data and control speculation checks.
6171 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6172 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6173 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6174 Auxiliary definitions for the patterns.
6175 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6176 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6178 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6180 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6181 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6182 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6183 New resource constraints.
6184 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6186 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6187 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6188 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6189 msched-in-control-spec, msched-ldc, msched-control-ldc,
6190 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6191 msched-prefer-non-control-spec-insns,
6192 msched-count-spec-in-critical-path): New flags to tune speculative
6194 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6195 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6196 msched-in-control-spec, msched-ldc, msched-control-ldc,
6197 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6198 msched-prefer-non-control-spec-insns,
6199 msched-count-spec-in-critical-path): Document new flags.
6201 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6203 * target.h (struct spec_info_def): New opaque declaration.
6204 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6205 speculate_insn, needs_block_p, gen_check,
6206 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6207 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6208 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6209 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6210 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6211 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6213 (TARGET_SCHED): Use new macros.
6214 * rtl.h (copy_DEPS_LIST_list): New prototype.
6215 * sched-int.h (struct sched_info): Change signature of new_ready field,
6216 adjust all initializations. New fields: add_remove_insn,
6217 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6218 region_head_or_leaf_p.
6219 (struct spec_info_def): New structure declaration.
6220 (spec_info_t): New typedef.
6221 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6222 recovery_block, orig_pat.
6223 (glat_start, glat_end): New variables declaraions.
6224 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6226 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6227 DETACH_LIFE_INFO, USE_GLAT.
6228 (enum SPEC_SCHED_FLAGS): New enumeration.
6229 (NOTE_NOTE_BB_P): New macro.
6230 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6231 attach_life_info, debug_spec_status, check_reg_live): New functions.
6232 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6233 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6235 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6236 * ddg.c (get_block_head_tail): Adjust all uses.
6237 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6238 (sms_sched_info): Initialize new fields.
6239 (contributes_to_priority): Removed.
6240 * haifa-sched.c (params.h): New include.
6241 (get_block_head_tail): Adjust all uses.
6242 (ISSUE_POINTS): New macro.
6243 (glat_start, glat_end): New global variables.
6244 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6245 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6246 old_last_basic_block, before_recovery, current_sched_info_var,
6247 rgn_n_insns, luid): New static variables.
6248 (insn_cost1): New function. Move logic from insn_cost to here.
6249 (find_insn_reg_weight1): New function. Move logic from
6250 find_insn_reg_weight to here.
6251 (reemit_notes, move_insn, max_issue): Change signature.
6252 (move_insn1): Removed.
6253 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6254 extend_bb): New static functions to support extension of scheduler's
6256 (generate_recovery_code, process_insn_depend_be_in_spec,
6257 begin_speculative_block, add_to_speculative_block,
6258 init_before_recovery, create_recovery_block, create_check_block_twin,
6259 fix_recovery_deps): New static functions to support
6260 generation of recovery code.
6261 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6262 restore_bb_notes, move_block_after_check, move_succs): New static
6263 functions to support ebb scheduling.
6264 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6265 functions to support handling of register live information.
6266 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6267 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6268 add_jump_dependencies): New static functions.
6269 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6270 consistancy checking.
6271 (debug_spec_status): New function to call from debugger.
6272 (priority): Added code to handle speculation checks.
6273 (rank_for_schedule): Added code to distinguish speculative instructions.
6274 (schedule_insn): Added code to handle speculation checks.
6275 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6276 Fixed to handle ebbs.
6277 (move_insn): Added code to handle ebb scheduling.
6278 (max_issue): Added code to use ISSUE_POINTS of instructions.
6279 (choose_ready): Added code to choose between speculative and
6280 non-speculative instructions.
6281 (schedule_block): Added code to handle ebb scheduling and scheduling of
6282 speculative instructions.
6283 (sched_init): Initialize new variables.
6284 (sched_finish): Free new variables. Print statistics.
6285 (try_ready): Added code to handle speculative instructions.
6286 * lists.c (copy_DEPS_LIST_list): New function.
6287 * sched-deps.c (extend_dependency_caches): New function. Move logic
6288 from create_dependency_caches to here.
6289 (get_dep_weak, ds_merge): Make global.
6290 * genattr.c (main): Code to output prototype for
6291 dfa_clear_single_insn_cache.
6292 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6293 (output_dfa_clean_insn_cache_func): Code to output
6294 dfa_clear_single_insn_cache function.
6295 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6297 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6299 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6300 New static variables.
6301 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6302 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6304 (ebb_sched_info): Initialize new fields.
6305 (get_block_head_tail): Adjust all uses.
6306 (compute_jump_reg_dependencies): Fixed to use glat_start.
6307 (schedule_ebb): Code to remove unreachable last block.
6308 (schedule_ebbs): Added code to update register live information.
6309 * sched-rgn.c (region_sched_info): Initialize new fields.
6310 (get_block_head_tail): Adjust all uses.
6311 (last_was_jump): Removed. Adjust users.
6312 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6313 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6314 Implement new hooks.
6315 (check_dead_notes1): New static function.
6316 (struct region): New fields: dont_calc_deps, has_real_ebb.
6317 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6318 (BB_TO_BLOCK): Fixed to handle EBBs.
6319 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6320 (ebb_head): New static variable.
6321 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6322 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6324 (compute_dom_prob_ps): New assertion.
6325 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6326 global_live_at_start.
6327 (init_ready_list): New assertions.
6328 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6329 (new_ready): Add support for BEGIN_CONTROL speculation.
6330 (schedule_insns): Fixed code that updates register live information
6332 (schedule_region): Fixed to handle EBBs.
6333 (init_regions): Use extend_regions and check_dead_notes1.
6334 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6335 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6336 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6337 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6338 TARGET_SCHED_GEN_CHECK,
6339 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6340 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6341 * doc/invoke.texi (max-sched-insn-conflict-delay,
6342 sched-spec-prob-cutoff): Document.
6344 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6346 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6347 inter_tick, queue_index.
6348 (struct sched_info): Change signature of init_ready_list field.
6349 Adjust all initializations.
6350 (RESOLVED_DEPS): New access macro.
6351 (ready_add): Remove prototype.
6352 (try_ready): Add prototype.
6353 * sched-rgn.c (init_ready_list): Use try_ready.
6354 (schedule_region): Initialize
6355 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6356 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6357 (init_ready_list): Use try_ready.
6358 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6359 * lists.c (remove_list_elem): Remove `static'.
6360 (remove_free_INSN_LIST_elem): New function.
6361 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6362 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6363 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6365 (readyp): New variable.
6366 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6367 change_queue_index, resolve_dep): New static functions.
6368 (try_ready): New function. Adjust callers in sched-rgn.c and
6369 sched-ebb.c to use it instead of ready_add.
6370 (clock_var): Move at the begining of file.
6371 (rank_for_schedule): Fix typo.
6372 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6373 (ready_lastpos): Enforce assertion.
6374 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6376 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6377 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6378 (queue_to_ready): Use free_INSN_LIST_list.
6379 (early_queue_to_ready): Fix typo.
6380 (schedule_block): Init readyp. Move init_ready_list call after the
6381 initialization of clock_var. Fix error in rejecting insn by
6382 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6383 that previously corrected INSN_TICKs. Add code for handling
6385 (set_priorities): Fix typo.
6386 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6387 Clarify comment and code that keeps current_sched_info->next_tail
6390 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6392 * sched-rgn.c (extend_rgns): New static function.
6393 (find_rgns): Use it.
6394 (gather_region_statistics, print_region_statistics): New static
6396 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6397 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6399 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6400 Andrey Belevantsev <abel@ispras.ru>
6402 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6403 * lists.c (unused_deps_list): New variable.
6404 (free_list): Add assertions to verify the proper distinguishing
6405 between INSN_LISTs and DEPS_LISTs.
6406 (find_list_elem, remove_list_elem, remove_list_node): New static
6408 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6409 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6410 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6411 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6413 (free_INSN_LIST_node): Likewise.
6414 * modulo-sched.c (current_sched_info): Initialize flags field.
6415 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6416 * rtl.def (DEPS_LIST): Define.
6417 * rtl.h: Declare new functions from lists.c.
6418 * sched-deps.c (spec_dependency_cache): New static variable.
6419 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6420 (add_dependence): Change return type to void. Move the logic to ...
6421 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6422 (delete_all_dependences): Add comment about forward_dependency_cache.
6423 Handle spec_dependency_cache. Handle DEPS_LISTs.
6424 (fixup_sched_groups): Clarify the change of priority of output
6425 and anti dependencies.
6426 (sched_analyze_2): Adjust add_dependence calls to create data
6427 speculative dependence.
6428 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6429 Adjust all callers. Handle DEPS_LISTS.
6430 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6431 presence of speculation.
6432 (init_dependency_caches, free_dependency_caches):
6433 Handle spec_dependency_cache.
6434 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6435 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6436 New static functions.
6437 (add_or_update_back_dep, add_or_update_back_forw_dep,
6438 add_back_forw_dep, delete_back_forw_dep): New functions.
6439 * sched-int.h (ds_t, dw_t): New typedefs.
6440 (struct sched_info): Add new field flags.
6441 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6442 Prototype new sched-deps.c functions.
6443 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6444 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6445 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6446 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6447 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6448 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6450 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6452 * sched-rgn.c (current_sched_info): Initialize flags field.
6453 (schedule_insns): Initialize current_sched_info before the sched_init
6455 * sched-ebb.c (current_sched_info): Initialize flags field.
6456 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6457 Call add_or_update_back_dep instead of add_dependence.
6458 Create control speculative dependencies.
6459 (schedule_insns): Initialize current_sched_info before the sched_init
6462 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6464 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6466 (sh_fallback_frame_state): Likewise.
6468 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6470 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6471 Do switch on default_use_cxa_atexit.
6472 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6473 * config/darwin-crt3.o: New.
6474 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6475 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6476 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6478 * config/rs6000/t-darwin: Move crt2.o building to here.
6479 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6480 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6483 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6485 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6486 from '! xxx' to '!xxx' for coding-style conformance.
6487 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6488 (EXTRA_CONSTRAINT): Likewise.
6489 * config/vax/vax.md (four unnamed insns): Likewise.
6491 2006-03-15 Paul Brook <paul@codesourcery.com>
6493 * config/arm/arm.c (minipool_pad): New.
6494 (add_minipool_forward_ref): Include pool alignment padding in address
6496 (push_minipool_fix): Set minipool_pad.
6497 (minipool_pad): Ditto.
6499 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6501 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6502 instead of GET_CODE() == MEM and REG_P() instead of
6504 (print_operand_address): Likewise.
6505 (vax_address_cost): Likewise.
6506 (vax_rtx_costs): Likewise.
6507 (vax_notice_update_cc): Likewise.
6508 (vax_output_int_add): Likewise.
6509 (INDEX_REGISTER_P): Likewise.
6510 (BASE_REGISTER_P): Likewise.
6511 (nonindexed_address_p): Likewise.
6512 (vax_mode_dependent_address_p): Likewise.
6513 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6514 (PRINT_OPERAND): Likewise.
6515 * config/vax/vax.md (ashlsi3): Likewise.
6516 (ashlsi3): Likewise.
6517 (some more unnamed insns): Likewise.
6519 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6521 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6522 iterator-style macro.
6523 (mark_control_dependent_edges_necessary): Update the use of
6524 EXECUTE_IF_CONTROL_DEPENDENT.
6526 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6528 * config/sh/predicates.md (cache_address_operand): Special.
6529 (ua_address_operand): Likewise.
6531 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6533 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6535 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6537 2006-03-15 Andreas Schwab <schwab@suse.de>
6539 * gensupport.c (identify_predicable_attribute): Don't free p_false
6540 when it is still in use.
6542 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6544 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6545 the default setting here.
6547 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6549 * tree-pass.h (pass_cfg): Remove.
6550 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6551 * passes.c (pass_cfg): Don't run it.
6553 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6555 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6556 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6558 (stack_regs_mentioned): Update the uses of
6559 stack_regs_mentioned_data. Don't access the array beyond its
6561 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6562 Don't include gt-reg-stack.h.
6564 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6565 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6567 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6570 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6573 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6575 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6577 2006-03-14 Richard Guenther <rguenther@suse.de>
6579 PR tree-optimization/26672
6580 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6583 2006-03-14 Richard Guenther <rguenther@suse.de>
6585 PR tree-optimization/26667
6586 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6587 node for the callees. Always allow inlining if it will shrink
6590 2006-03-14 Richard Guenther <rguenther@suse.de>
6593 * builtins.c (get_pointer_alignment): Prefer alignment
6594 information from decls over that from types.
6596 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6599 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6601 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6603 * config/rs6000/rs6000.opt (mdlmzb): New option.
6604 (msched-prolog, msched-epilog): Use Var not Mask.
6605 * doc/invoke.texi (-mdlmzb): Document.
6606 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6608 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6609 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6611 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6613 PR rtl-optimization/25739
6614 * bt-load.c (augment_live_range): Free tos pointer.
6616 * gensupport.c (identify_predicable_attribute): Free
6618 * gcov.c (create_file_names): Free name pointer.
6620 2006-03-13 Roger Sayle <roger@eyesopen.com>
6623 * stmt.c (emit_case_nodes): Handle the case where the index is a
6624 CONST_INT, where the comparison mode is specified by the index type.
6626 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6628 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6631 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6633 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6634 (*branch_fp_inverted): Likewise.
6636 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6639 * omp-low.c (expand_omp_for_generic): Mark istart0
6640 and iend0 as addressable.
6642 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6644 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6646 2006-03-13 Jeff Law <law@redhat.com>
6648 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6649 virtual operands are interesting.
6650 (vrp_visit_stmt): Corresponding changes.
6652 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6654 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6656 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6657 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6658 * config/bfin/crti.S: Use it instead of __PIC__.
6659 * config/bfin/crtn.S: Likewise.
6661 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6662 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6664 Lose 'G' modifier for call operand.
6665 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6666 recognize 'G' modifier.
6668 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6671 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6672 * stmt.c (expand_case): Likewise.
6674 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6676 PR rtl-optimization/26254
6677 * loop-invariant.c (seq_insns_valid_p): New function.
6678 (move_invariant_reg): Only emit new code if it is valid.
6680 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6682 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6684 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6685 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6686 (commit_one_edge_insertion): Do not look for loop notes.
6688 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6690 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6691 flag_test_coverage out of loop.
6693 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6695 * final.c (shorten_branches): Remove outdated comment, and turn
6696 the if branch that guards it to continue.
6698 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6700 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6701 * cfgloop.h (struct loop): Remove unused fields.
6703 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6705 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6706 (-dL, -fdump-rtl-loop2): Update the dump file names
6708 * doc/invoke.texi: Update dump file names.
6710 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6712 * predict.c (estimate_probability): Remove.
6713 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6714 * basic-block.h (estimate_probability): Remove prototype.
6715 * passes.c (finish_optimization_passes): Dump branch prediction or
6716 profiling heuristics to the .profile tree dump.
6717 (init_optimization_passes): Unqueue pass_branch_prob.
6719 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6721 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6723 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6724 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6726 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6728 * function.h (frame_offset_overflow): Declare.
6729 * function.c (frame_offset_overflow): New function.
6730 (assign_stack_local_1): Call it to detect that the offset overflows.
6731 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6733 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6735 * config/sh/sh.c: Include alloc-pool.h.
6736 (label_ref_list_pool): New alloc pool.
6737 (label_ref_list_t): New type for lists of labels.
6738 (struct pool_node): Make wend a label_ref_list_t.
6739 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6741 (dump_table): Likewise.
6742 (sh_reorg): Set up the alloc pool before using add_constant and
6743 dump_table, and destroy it when finishing.
6745 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6747 * config/mips/mips.c: Remove redundant comment.
6749 2006-03-10 Jason Merrill <jason@redhat.com>
6752 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6753 the target was declared 'register'.
6755 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6757 * genpreds.c (write_insn_constraint_len): Change definition of
6758 insn_constraint_len to return size_t to match the declaration.
6760 2006-03-10 DJ Delorie <dj@redhat.com>
6762 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6764 (m32c_expand_insv): Fix test for an AND mask.
6766 2006-03-10 Richard Guenther <rguenther@suse.de>
6769 * builtins.c (get_pointer_alignment): Handle component
6770 references for field alignment.
6772 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6774 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6775 when building with libgloss.
6776 (sh*elf): Implement --without-fp option.
6777 (sh64-superh-linux*): Don't multilib.
6779 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6781 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6783 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6785 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6786 Set it when one of the replacement functions returned true.
6787 Return TODO_cleanup_cfg if cfgchanged is true.
6788 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6790 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6792 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6793 instead of gen_lowpart.
6795 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6797 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6799 (mips_output_order_conditional_branch): Declare.
6800 * config/mips/mips.h (MIPS_BRANCH): New macro.
6801 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6802 for the comparison. Use gen_condjump.
6803 (mips_output_conditional_branch): Rework interface to take the
6804 asm templates for a direct branch and the inverse of a direct branch.
6805 (mips_output_order_conditional_branch): New function.
6806 (mips_builtin_branch_and_move): New function.
6807 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6808 branch condition. Use gen_single_cc as the condition for
6809 __builtin_mips_upper_* or __builtin_mips_lower_*.
6810 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6811 Use VOIDmode for the branch condition.
6812 * config/mips/predicates.md (order_operator): New predicate.
6813 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6814 (branch_fp): Rename to...
6815 (*branch_fp): ...this. Remove mode from comparison operator.
6816 Use new mips_output_conditional_branch interface.
6817 (branch_fp_inverted): Rename to...
6818 (*branch_fp_inverted): ...this and update as for *branch_fp.
6819 (*branch_zero<mode>): Rename to...
6820 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6821 Use mips_output_order_conditional_branch. Only accept ordered
6823 (*branch_zero<mode>_inverted): Rename to...
6824 (*branch_order<mode>_inverted): ...this and update as for
6825 *branch_order<mode>.
6826 (*branch_equality<mode>): Accept zero as the second operand to
6827 the equality operator. Use the new mips_output_conditional_branch
6829 (*branch_equality<mode>_inverted): Likewise.
6830 (condjump): New expander.
6831 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6833 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6834 (bc1any2t, bc1any2f): Likewise.
6835 (single_cc): New expander.
6836 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6838 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6840 * doc/md.texi: Update documentation of MIPS constraints.
6841 * config/mips/constraints.md: New file.
6842 * config/mips/mips.md: Include it.
6843 * config/mips/mips.c (mips_char_to_class): Delete.
6844 (override_options): Don't initialize mips_char_to_class.
6845 * config/mips/mips.h (mips_char_to_class): Delete.
6846 (REG_CLASS_FROM_LETTER): Delete.
6847 (CONST_OK_FOR_LETTER_P): Delete.
6848 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6849 (EXTRA_CONSTRAINT_Y): Delete.
6850 (EXTRA_CONSTRAINT_STR): Delete.
6851 (CONSTRAINT_LEN): Delete.
6852 (EXTRA_MEMORY_CONSTRAINT): Delete.
6854 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6856 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6857 original fn's eh regions.
6859 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6861 * fold-const.c (build_range_check): Make sure to use a valid type to
6862 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6865 (range_predecessor): New static function.
6866 (range_successor): Likewise.
6867 (merge_ranges): Use them to compute predecessors and successors of
6870 2006-03-09 Roger Sayle <roger@eyesopen.com>
6873 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6874 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6876 2006-03-08 DJ Delorie <dj@redhat.com>
6878 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6879 (addpsi3): Expand to include memory operands. Remove
6880 reload-specific splits.
6881 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6882 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6883 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6884 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6885 (shift1_qi, shift1_hi, insv): New.
6886 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6887 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6888 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6890 * config/m32c/m32c-protos.h: Update as needed.
6891 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6892 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6893 Fail for unrecognized R* constraints.
6894 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6895 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6896 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6898 (m32c_init_libfuncs): New.
6899 (m32c_legitimate_address_p): Add debug wrapper.
6900 (m32c_rtx_costs): New.
6901 (m32c_address_cost): New.
6902 (conversions): Add 'B' prefix.
6903 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6904 operands, or word regnames for QI operands. 'B' prints bit
6906 (m32c_expand_setmemhi): New.
6907 (m32c_expand_movmemhi): New.
6908 (m32c_expand_movstr): New.
6909 (m32c_expand_cmpstr): New.
6910 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6911 (m32c_expand_neg_mulpsi3): Handle non-ints.
6912 (m32c_cmp_flg_0): New.
6913 (m32c_expand_movcc): New.
6914 (m32c_expand_insv): New.
6915 (m32c_scc_pattern): New.
6916 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6917 a0/a1 out of SIregs.
6918 (STORE_FLAG_VALUE): New.
6919 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6922 * config/m32c/mov.md: Make constraints more liberal.
6923 (zero_extendqihi2): Optimize r0/r1 case.
6924 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6925 * config/m32c/predicates.md (m32c_any_operand): New.
6926 (m32c_nonimmediate_operand): New.
6927 (m32c_hl_operand): New.
6928 (m32c_r3_operand): New.
6931 (memsym_operand): New.
6932 (memimmed_operand): New.
6933 (a_qi_operand): New.
6934 (m32c_eqne_operator): New.
6935 (m32c_1bit8_operand): New.
6936 (m32c_1bit16_operand): New.
6937 (m32c_1mask8_operand): New.
6938 (m32c_1mask16_operand): New.
6939 * config/m32c/blkmov.md: New file.
6940 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6942 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6944 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6945 unsigned to fix signed/unsigned comparison issue in
6946 DWARF2_FRAME_REG_OUT.
6947 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6948 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6950 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6951 of ptr into the ENABLE_CHECKING section.
6953 2006-03-08 Jeff Law <law@redhat.com>
6955 * tree-vrp.c (infer_value_range): Only count pointer uses
6956 and dereferences if -fdelete-null-pointer-checks is enabled.
6958 * tree-vrp.c (find_assert_locations): Infer value ranges for
6959 single use pointers, but do not create ASSERT_EXPRs for them.
6960 When a non-null range is inferred for a pointer, backwards
6961 propagate that range to other equivalent pointers through the
6964 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6967 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6968 language hook targets.
6969 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6970 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6971 if language hook targets were missing.
6973 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6975 * tree-ssa-opfinalize.h: Removed.
6976 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6978 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6979 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6980 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6981 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6982 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6983 finalize_ssa_v_must_def_ops): New.
6985 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6987 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6990 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6992 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6994 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6995 addresses with offsets; reorganize.
6997 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6998 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6999 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7001 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7004 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7006 2006-03-08 Ben Elliston <bje@au.ibm.com>
7008 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7010 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7013 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7016 2006-03-07 Richard Guenther <rguenther@suse.de>
7018 PR tree-optimization/26587
7019 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7021 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7023 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7025 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7027 * hooks.c (hook_bool_mode_rtx_true): New function.
7028 * hooks.h (hook_bool_mode_rtx_true): Declare.
7029 * toplev.c (compile_file): Call output_shared_constant_pool.
7030 * varasm.c (shared_constant_pool): New variable.
7031 (assemble_start_function, assemble_end_function): Remove arguments
7032 from call to output_constant_pool.
7033 (create_constant_pool): New function, split out from...
7034 (init_varasm_status): ...here.
7035 (force_const_mem): Choose between the shared and per-function constant
7036 pools. Set current_function_uses_const_pool when reusing old entries
7037 as well as when creating new ones.
7038 (mark_constant): Ignore data argument.
7039 (mark_constants): Remove pool argument.
7040 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7041 to decide whether the function uses a constant pool.
7042 (output_constant_pool_contents): New function, split out from...
7043 (output_constant_pool): ...here.
7044 (output_shared_constant_pool): New function.
7045 (init_varasm_once): Initialize shared_constant_pool.
7046 * output.h (output_constant_pool): Delete.
7047 (output_shared_constant_pool): Declare.
7048 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7049 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7051 2006-03-06 Nick Clifton <nickc@redhat.com>
7053 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7054 flag_strength_reduce.
7056 2006-03-06 Ben Elliston <bje@au.ibm.com>
7058 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7059 x86_64-*-linux* configurations.
7061 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7062 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7064 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7066 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7068 * basic-block.h: Remove the extern for
7069 rediscover_loops_after_threading.
7071 * cfgloop.c (cancel_loop): Make it static.
7072 * cfgloop.h: Remove the prototype for cancel_loop.
7074 * flow.c (recompute_reg_usage): Make it static.
7075 * rtl.h: Remove the prototype for recompute_reg_usage.
7077 * function.c (use_return_register): Make it static.
7078 * function.h: Remove the prototype.
7080 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7082 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7084 * recog.h: Remove the prototype for
7085 validate_change_maybe_volatile.
7087 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7089 * rtlanal.c (replace_reg): Remove.
7090 * rtl.h: Remove the prototype for replace_reg.
7092 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7094 * regclass.c (reg_scan_update): Remove.
7095 (reg_scan_mark_refs): Remove the last argument.
7096 * rtl.h: Remove the prototype for reg_scan_update.
7098 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7100 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7101 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7102 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7103 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7104 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7105 loop-invariant.c, omp-low.c, opts.c, passes.c,
7106 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7107 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7108 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7109 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7110 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7111 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7113 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7115 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7116 * dwarf2out.h: Remove the prototype for
7117 dwarf2out_add_library_unit_info.
7119 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7121 * tree.c (add_var_to_bind_expr): Remove.
7122 * tree.h: Remove the prototype for add_var_to_bind_expr.
7124 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7126 * regclass.c (n_non_fixed_regs): Remove.
7127 (init_reg_sets_1, globalize_reg): Remove all uses of
7129 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7133 * rtlanal.c (insns_safe_to_move_p): Remove.
7134 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7136 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7138 * expmed.c (expand_mult_add): Remove.
7139 * expr.h: Remove the prototype for expand_mult_add.
7141 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7143 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7144 and REG_SAVED_VAL_EXP constants.
7145 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7146 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7147 Handle regs stored by value.
7148 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7149 (execute_cfa_program): Handle DW_CFA_val_offset,
7150 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7151 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7152 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7153 (uw_install_context_1): Handle target regs stored by value.
7155 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7157 * tree-sra.c (tree_sra): Return todoflags;
7158 (generate_one_element): Set TODO_update_smt_usage if needed.
7159 (pass_sra): Remove TODO_update_smt_usage.
7160 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7162 (tree_ssa_forward_propagate_single_use_vars): Return
7163 TODO_update_smt_usage if we need to update SMT usage.
7164 (pass_forwprop): Remove TODO_update_smt_usage.
7166 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7168 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7169 (correct_use_link): Remove reference to get_stmt_operands.
7170 (update_stmt_operands): Likewise.
7171 (get_modify_expr_operands): New function factored out of
7172 parse_ssa_operands and get_expr_operands.
7173 Try to create V_MUST_DEFs for LHS by default.
7174 (get_expr_operands) <case MODIFY_EXPR>: Call
7175 get_modify_expr_operands.
7176 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7177 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7178 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7179 get_modify_expr_operands.
7181 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7183 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7184 * tree-flow.h: Remove the prototype for
7185 referenced_var_lookup_if_exists.
7187 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7189 PR rtl-optimization/26345
7191 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7193 2006-03-03 Roger Sayle <roger@eyesopen.com>
7195 PR tree-optimization/26524
7196 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7197 fold_convert to create a constant of the appropriate type.
7199 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7201 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7202 SYMBOL_REF_IN_BLOCK_P.
7203 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7204 of SYMBOL_FLAG_IN_BLOCK.
7205 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7206 instead of SYMBOL_REF_IN_BLOCK_P.
7207 * explow.c (use_anchored_address): Likewise.
7208 * rtl.c (rtx_size): Likewise.
7209 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7210 instead of SYMBOL_FLAG_IN_BLOCK.
7211 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7212 SYMBOL_REF_IN_BLOCK_P.
7213 (assemble_variable): Likewise.
7214 (output_constant_def_contents): Likewise.
7215 (output_constant_pool): Likewise.
7216 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7217 instead of SYMBOL_FLAG_IN_BLOCK.
7218 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7219 SYMBOL_REF_IN_BLOCK_P.
7220 (SYMBOL_REF_BLOCK): Likewise.
7221 (SYMBOL_REF_OFFSET): Likewise.
7222 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7223 SYMBOL_REF_IN_BLOCK_P.
7224 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7225 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7226 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7227 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7229 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7231 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7233 2006-03-02 Roger Sayle <roger@eyesopen.com>
7235 * simplify-rtx.c (simplify_unary_operation): When simplifying
7236 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7237 that we perform the right shift in the appropriate mode, and
7238 then extend or truncate the result to requested mode.
7240 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7242 * gengtype.c (main): Handle double_int type.
7243 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7244 * double-int.c: New file.
7245 * double-int.h: New file.
7246 * system.h: Include doubleint.h.
7247 * Makefile.in (SYSTEM_H): Include double-int.h.
7248 (double-int.o): Add.
7250 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7253 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7256 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7258 * tree-vrp.c (remove_range_assertions): Do not update statements
7261 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7263 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7265 * gcse.c (rest_of_handle_gcse): Ditto.
7266 * except.c (gate_handle_eh): Ditto.
7267 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7268 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7270 2006-03-02 Eric Christopher <echristo@apple.com>
7272 * config/i386/i386.c (machopic_output_stub): Add indirection to
7275 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7279 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7281 Sun Niagara specific optimizations.
7282 * config.gcc: Recognize niagara as target.
7283 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7284 (TARGET_CPU_niagara): Define.
7285 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7286 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7287 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7288 (ASM_CPU_SPEC): Likewise.
7289 (PROCESSOR_NIAGARA): New enum entry.
7290 (REGISTER_MOVE_COST): Handle Niagara.
7291 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7292 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7293 (sparc_override_options): Recognize "niagara", set appropriate
7294 default MASK_* values for it, and align functions to 32-bytes
7295 by default just like ULTRASPARC/ULTRASPARC3.
7296 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7297 (sparc64_initialize_trampoline): Likewise.
7298 (sparc_use_sched_lookahead): Use zero for niagara.
7299 (sparc_issue_rate): Use one for niagara.
7300 * config/sparc/niagara.md: New file.
7301 * config/sparc/sparc.md: Include it.
7302 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7303 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7304 when default cpu is niagara.
7305 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7306 (ASM_CPU_SPEC): Likewise.
7307 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7308 when default cpu is niagara.
7309 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7310 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7311 just like v9/ultrasparc/ultrasparc3.
7312 * doc/invoke.texi: Add documentation for "niagara" and improve
7313 existing documentation for ultrasparc variants.
7315 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7317 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7319 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7321 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7322 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7323 and say that only one is needed.
7324 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7325 * target.h (have_switchable_bss_sections): New hook.
7326 * explow.c (use_anchored_address): Check that the symbol is in a block.
7327 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7328 (bss_noswitch_section): New variables.
7329 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7330 (get_noswitch_section): New function.
7331 (get_block_for_section): Allow SECT to be null.
7332 (unlikely_text_section_p): Use SECTION_STYLE.
7333 (bss_initializer_p): New function.
7334 (get_variable_section): Move earlier in file. Take a new argument,
7335 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7336 Return one of the new *_sections in such cases.
7337 (get_block_for_decl): New function, extracting some logic from
7338 use_blocks_for_decl_p.
7339 (change_symbol_section): Remove in favor of...
7340 (change_symbol_block): ...this new function.
7341 (use_blocks_for_decl_p): Remove checks now performed by
7343 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7344 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7345 (emit_local, emit_bss, emit_common): ...these new functions.
7346 Return true if the alignment was honored.
7347 (emit_tls_common): New function.
7348 (asm_emit_uninitialised): Delete.
7349 (assemble_variable_noswitch): New function, split out from...
7350 (assemble_variable): ...here. Don't make decisions about common
7351 variables here. Globalize all public decls that go into non-common
7352 sections. Check whether SYMBOL_REF_BLOCK is null.
7353 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7354 (output_constant_pool): Likewise.
7355 (init_varasm_once): Initialize the new section variables.
7356 (have_global_bss_p): New function.
7357 (categorize_decl_for_section): Use bss_initializer_p.
7358 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7359 (place_block_symbol): Assert that the symbol must be in a block.
7360 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7361 (TARGET_INITIALIZER): Include it.
7362 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7363 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7364 (SECTION_MACH_DEP): Bump by two.
7365 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7366 (unnamed_section): Mention SECTION_UNNAMED in comment.
7367 (named_section): Likewise SECTION_NAMED.
7368 (noswitch_section_callback): New type.
7369 (noswitch_section): New structure.
7370 (section): Add a noswitch_section alternative.
7371 (SECTION_STYLE): New macro.
7372 (tls_comm_section, comm_section, lcomm_section): Declare.
7373 (bss_noswitch_section, have_global_bss_p): Declare.
7374 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7375 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7377 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7378 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7381 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7383 * tree-vrp.c (execute_vrp): Return value.
7384 * regrename.c (rest_of_handle_regrename): Ditto.
7385 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7386 * tree-complex.c (tree_lower_complex): Ditto.
7387 (tree_lower_complex_O0): Ditto.
7388 * tracer.c (rest_of_handle_tracer): Ditto.
7389 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7390 * postreload.c (rest_of_handle_postreload): Ditto.
7391 * tree-tailcall.c (execute_tail_recursion): Ditto.
7392 (execute_tail_calls): Ditto.
7393 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7394 * tree.h (init_function_for_compilation): Ditto.
7395 * ipa-cp.c (ipcp_driver): Ditto.
7396 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7397 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7398 * final.c (compute_alignments): Ditto.
7399 (rest_of_handle_final): Ditto.
7400 (rest_of_handle_shorten_branches): Ditto.
7401 (rest_of_clean_state): Ditto.
7402 * omp-low.c (execute_expand_omp): Ditto.
7403 (execute_lower_omp): Ditto.
7404 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7405 * ipa-reference.c (static_execute): Ditto.
7406 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7407 * reorg.c (rest_of_handle_delay_slots): Ditto.
7408 (rest_of_handle_machine_reorg): Ditto.
7409 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7410 * flow.c (recompute_reg_usage): Ditto.
7411 (rest_of_handle_remove_death_notes): Ditto.
7412 (rest_of_handle_life): Ditto.
7413 (rest_of_handle_flow2): Ditto.
7414 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7415 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7416 (do_ssa_store_ccp): Ditto.
7417 (execute_fold_all_builtins): Ditto.
7418 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7419 * modulo-sched.c (rest_of_handle_sms): Ditto.
7420 * ipa-pure-const.c (static_execute): Ditto.
7421 * cse.c (rest_of_handle_cse): Ditto.
7422 (rest_of_handle_cse2): Ditto.
7423 * web.c (rest_of_handle_web): Ditto.
7424 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7425 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7426 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7427 * tree-nrv.c (tree_nrv): Ditto.
7428 (execute_return_slot_opt): Ditto.
7429 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7430 (create_structure_vars): Ditto.
7431 * loop-init.c (rtl_loop_init): Ditto.
7432 (rtl_loop_done): Ditto.
7433 (rtl_move_loop_invariants): Ditto.
7434 (rtl_unswitch): Ditto.
7435 (rtl_unroll_and_peel_loops): Ditto.
7436 (rtl_doloop): Ditto.
7437 * gimple-low.c (lower_function_body): Ditto.
7438 (mark_used_blocks): Ditto.
7439 * tree-ssa-sink.c (execute_sink_code): Ditto.
7440 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7441 (cgraph_early_inlining): Ditto.
7442 * global.c (rest_of_handle_global_alloc): Ditto.
7443 * jump.c (cleanup_barriers): Ditto.
7444 (purge_line_number_notes): Ditto.
7445 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7446 (rest_of_handle_if_after_reload): Ditto.
7447 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7448 (tree_ssa_loop_im): Ditto.
7449 (tree_ssa_loop_unswitch): Ditto.
7450 (tree_vectorize): Ditto.
7451 (tree_linear_transform): Ditto.
7452 (tree_ssa_loop_ivcanon): Ditto.
7453 (tree_ssa_empty_loop): Ditto.
7454 (tree_ssa_loop_bounds): Ditto.
7455 (tree_complete_unroll): Ditto.
7456 (tree_ssa_loop_prefetch): Ditto.
7457 (tree_ssa_loop_ivopts): Ditto.
7458 (tree_ssa_loop_done): Ditto.
7459 * predict.c (tree_estimate_probability): Ditto.
7460 * recog.c (split_all_insns_noflow): Ditto.
7461 (rest_of_handle_peephole2): Ditto.
7462 (rest_of_handle_split_all_insns): Ditto.
7463 * tree-eh.c (lower_eh_constructs): Ditto.
7464 * regmove.c (rest_of_handle_regmove): Ditto.
7465 (rest_of_handle_stack_adjustments): Ditto.
7466 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7467 * function.c (instantiate_virtual_regs): Ditto.
7468 (init_function_for_compilation): Ditto.
7469 (rest_of_handle_check_leaf_regs): Ditto.
7470 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7471 (rest_of_handle_gcse): Ditto.
7472 * ipa-type-escape.c (type_escape_execute): Ditto.
7473 * alias.c (rest_of_handle_cfg): Ditto.
7474 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7475 * profile.c (rest_of_handle_branch_prob): Ditto.
7476 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7477 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7478 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7479 * tree-dfa.c (find_referenced_vars): Ditto.
7480 * except.c (set_nothrow_function_flags): Ditto.
7481 (convert_to_eh_region_ranges): Ditto.
7482 (rest_of_handle_eh): Ditto.
7483 * emit-rtl.c (unshare_all_rtl): Ditto.
7484 (remove_unnecessary_notes): Ditto.
7485 * except.h (set_nothrow_function_flags): Ditto.
7486 (convert_to_eh_region_ranges): Ditto.
7487 * cfgexpand.c (tree_expand_cfg): Ditto.
7488 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7489 * tree-ssa-pre.c (do_pre): Ditto.
7490 (execute_fre): Ditto.
7491 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7492 (rest_of_handle_jump2): Ditto.
7493 * tree-sra.c (tree_sra): Ditto.
7494 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7495 (execute_mudflap_function_decls): Ditto.
7496 * tree-ssa-copy.c (do_copy_prop): Ditto.
7497 (do_store_copy_prop): Ditto.
7498 * ipa-prop.h (ipcp_driver): Ditto.
7499 * cfglayout.c (insn_locators_initialize): Ditto.
7500 * tree-ssa-forwprop.c
7501 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7502 * cfglayout.h (insn_locators_initialize): Ditto.
7503 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7504 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7505 (execute_late_warn_uninitialized): Ditto.
7506 * rtl.h (cleanup_barriers): Ditto.
7507 (split_all_insns_noflow): Ditto.
7508 (purge_line_number_notes): Ditto.
7509 (unshare_all_rtl): Ditto.
7510 (remove_unnecessary_notes): Ditto.
7511 (recompute_reg_usage): Ditto.
7512 (variable_tracking_main): Ditto.
7513 * integrate.c (emit_initial_value_sets): Ditto.
7514 * integrate.h (emit_initial_value_sets): Ditto.
7515 * tree-optimize.c (execute_free_datastructures): Ditto
7516 (execute_free_cfg_annotations): Ditto.
7517 (execute_fixup_cfg): Ditto.
7518 (execute_cleanup_cfg_pre_ipa): Ditto.
7519 (execute_cleanup_cfg_post_optimizing): Ditto.
7520 (execute_init_datastructures): Ditto.
7521 * tree-object-size.c (compute_object_sizes): Ditto.
7522 * combine.c (rest_of_handle_combine): Ditto.
7523 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7524 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7525 (rest_of_handle_reorder_blocks): Ditto.
7526 (rest_of_handle_partition_blocks): Ditto.
7527 * var-tracking.c (variable_tracking_main): Ditto.
7528 * tree-profile.c (tree_profiling): Ditto.
7529 * tree-vect-generic.c (expand_vector_operations): Ditto.
7530 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7531 * sched-rgn.c (rest_of_handle_sched): Ditto.
7532 (rest_of_handle_sched2): Ditto.
7533 * basic-block.h (free_bb_insn): Ditto.
7534 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7535 * tree-cfg.c (execute_build_cfg): Ditto.
7536 (remove_useless_stmts): Ditto.
7537 (split_critical_edges): Ditto.
7538 (execute_warn_function_return): Ditto.
7539 (execute_warn_function_noreturn): Ditto.
7540 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7541 * cfgrtl.c (free_bb_for_insn): Ditto.
7542 * passes.c (execute_one_pass): Run additional
7543 todos returned by execute function.
7544 * tree-pass.h (struct tree_opt_pass): Make execute
7547 2006-03-02 Richard Guenther <rguenther@suse.de>
7549 * tree-ssa-alias.c (find_used_portions): Consider taking
7550 the address as making the variable not write-only.
7552 2006-03-02 Nick Clifton <nickc@redhat.com>
7554 * config.gcc (default_use_cxa_atexit): Extend the description of
7555 this configure variable. Set its default value to "yes" for
7556 Linux, NetBSD and ELF targets on the assumption that they will
7557 use C libraries with the __cxa_atexit function.
7559 2006-03-02 Ben Elliston <bje@au.ibm.com>
7561 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7562 parameter as unused to suppress a build warning.
7564 2006-03-02 Ben Elliston <bje@au.ibm.com>
7566 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7569 2006-03-01 Roger Sayle <roger@eyesopen.com>
7572 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7573 declared name, the weak reference name, and the typeof name.
7574 (__gthrw): Avoid expanding the declared name suffix.
7575 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7577 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7579 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7581 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7582 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7583 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7584 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7585 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7586 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7587 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7588 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7589 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7590 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7591 (DW_END_default, DW_END_big, DW_END_little): New.
7592 (DW_END_lo_user, DW_END_hi_user): Define.
7593 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7594 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7595 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7598 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7600 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7602 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7604 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7606 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7608 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7609 to 'symbol_mem_tag'.
7611 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7614 2006-03-01 Roger Sayle <roger@eyesopen.com>
7616 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7618 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7621 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7622 MACHO_DYNAMIC_NO_PIC_P.
7623 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7625 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7628 * config/darwin-protos.h (darwin_asm_output_anchor):
7630 * config/darwin-sections.def (cstring_section):
7631 Add SECTION_MERGE to the flags.
7632 (literal4_section): Likewise.
7633 (literal8_section): Likewise.
7634 (objc_selector_refs_section): Likewise.
7635 (objc_cls_refs_section): Likewise.
7636 * config/darwin.c (darwin_asm_output_anchor): New
7638 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7640 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7642 Fix PR tree-optimization/26443
7643 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7644 to todo and PROP_tmt_usage to properties_destroyed.
7645 * tree-ssa-ccp.c (pass_ccp): Ditto.
7646 (pass_store_ccp): Ditto.
7647 * tree-ssa-dom.c (pass_dominator): Ditto.
7649 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7651 * tree-ssa-operands.c: Cleanup whitespace.
7652 (get_asm_expr_operands): Move before first invocation.
7653 (get_indirect_ref_operands): Likewise.
7654 (get_tmr_operands): Likewise.
7655 (get_call_expr_operands): Likewise.
7656 (append_def): Likewise.
7657 (append_use): Likewise.
7658 (append_v_may_def): Likewise.
7659 (append_v_must_def): Likewise.
7660 (add_call_clobber_ops): Likewise.
7661 (add_call_read_ops): Likewise.
7662 (add_stmt_operand): Likewise.
7663 (add_virtual_operand): Likewise.
7664 (build_ssa_operands): Likewise.
7666 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7671 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7672 with a call expr to ...
7673 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7675 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7677 * tree-vrp.c (extract_range_from_assert): Remove special
7678 handling for types with super-types.
7680 2006-03-01 Ben Elliston <bje@au.ibm.com>
7682 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7683 and powerpc64-*-linux* configurations.
7684 * config/t-dfprules: New file.
7686 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7687 Compile dfp-bit.c from the source directory using -DWIDTH and
7688 $DFP_CFLAGS to control the compilation of that file, rather than
7689 generating width-specific versions in the build directory.
7690 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7691 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7693 2006-02-28 Zack Weinberg <zackw@panix.com>
7695 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7698 2006-02-28 Eric Christopher <echristo@apple.com>
7700 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7701 Set up IN_LIBGCC definition of TARGET_64BIT.
7702 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7704 2006-02-28 Roger Sayle <roger@eyesopen.com>
7707 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7708 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7709 cases via the construction of "expr != 0".
7711 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7713 * alias.c (alias_invariant, alias_invariant_size): Remove.
7714 (record_base_value): Remove.
7715 (memrefs_conflict_p): Don't look at alias_invariant.
7716 (end_alias_analysis): Don't free it.
7717 * alias.h (record_base_value): Remove prototype.
7719 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7720 Adam Nemet <anemet@caviumnetworks.com>
7722 * rtl.h (truncated_to_mode): Declare it.
7723 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7724 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7725 (RTL_HOOKS_INITIALIZER): Include it.
7726 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7727 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7728 reg_truncated_to_mode.
7729 * rtlanal.c (truncated_to_mode): Define it.
7730 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7732 2006-02-28 Jeff Law <law@redhat.com>
7734 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7735 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7736 the range allowed by TYPE_PRECISION.
7738 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7740 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7742 PR tree-optimization/26419
7743 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7746 2006-02-27 Zack Weinberg <zackw@panix.com>
7748 * doc/md.texi: Fix typo in previous change.
7750 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7754 2006-02-27 Zack Weinberg <zackw@panix.com>
7756 * rtl.def (define_constraint, define_register_constraint)
7757 (define_memory_constraint, define_address_constraint): New MD forms.
7758 * gensupport.c (process_rtx): Put define_constraint etc on the
7760 * genpreds.c (process_define_predicate): Adjust comment. Validate
7761 the name, and call validate_exp to validate the expression.
7762 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7763 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7764 all callers changed.
7765 (validate_exp, needs_variable, struct constraint_data)
7766 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7767 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7768 (const_dbl_constraints, constraint_max_namelen)
7769 (have_register_constraints, have_memory_constraints)
7770 (have_address_constraints, have_address_constraints)
7771 (have_extra_constraints, have_const_int_constraints)
7772 (have_const_dbl_constraints, mangle, add_constraint)
7773 (process_define_constraint, process_define_register_constraint)
7774 (write_enum_constraint_num, write_lookup_constraint)
7775 (write_insn_constraint_len, write_regclass_for_constraint)
7776 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7777 (write_insn_extra_memory_constraint)
7778 (write_insn_extra_address_constraint)
7779 (write_satisfies_constraint_fns): New.
7780 (write_tm_preds_h): If we have new-style constraint definitions,
7781 prototype the functions generated from them, and define the
7782 old constraint interface (still used by generic code) in terms of
7784 (write_insn_preds_c): If we have new-style constraint definitions,
7785 generate all relevant functions from those definitions.
7786 (main): Handle define_constraint etc.
7787 * genoutput.c (struct constraint_data, indep_constraints)
7788 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7789 (mdep_constraint_len): New data structures and functions, defined
7790 #ifdef USE_MD_CONSTRAINTS.
7791 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7792 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7793 use new logic to validate operand constraints against constraint
7795 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7797 * defaults.h: If none of the old-style constraint macros are
7798 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7799 old-style macros; and poison REG_CLASS_FROM_LETTER,
7800 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7802 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7803 * doc/md.texi: Document new constraint-definition mechanism and the
7804 C interface it provides. Remove references to old mechanism
7805 elsewhere in the document.
7806 (Machine Constraints): Use pathnames relative to gcc directory,
7807 i.e. config/ARCH/FILE. Change i386 section to refer to
7808 config/i386/predicates.md; update that section to match docstrings.
7809 * doc/tm.texi: Move all documentation of the old constraint-
7810 definition macros to their own section, clearly mark as obsolete.
7812 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7813 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7815 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7816 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7817 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7819 (splits and peepholes): Use satisfies_constraint_*.
7820 * config/i386/i386.c (memory_address_length)
7821 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7823 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7825 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7826 scalar operation to be put back into the loop.
7828 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7831 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7832 (extract_cie_info): Handle S flag in augmentation string.
7833 (execute_cfa_program): If context->signal_frame, execute also
7834 fs->pc == context->ra instructions.
7835 (uw_frame_state_for): If context->signal_frame, don't subtract one
7836 from context->ra to find FDE.
7837 (uw_update_context_1): Set context->signal_frame to
7839 (_Unwind_GetIPInfo): New function.
7840 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7841 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7843 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7844 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7845 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7846 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7847 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7848 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7849 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7850 x86_64_fallback_frame_state): Set fs->signal_frame.
7851 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7852 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7853 (frob_update_context): Likewise. Workaround missing S flag in
7854 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7855 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7856 Remove the psw_addr + 1 hack.
7858 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7860 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7861 with aggregates here.
7862 (find_func_aliases): Remove code for &<aggregate> from here.
7864 2006-02-26 Roger Sayle <roger@eyesopen.com>
7866 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7867 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7868 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7871 2006-02-26 Roger Sayle <roger@eyesopen.com>
7874 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7876 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7878 * opts.c (decode_options): Do not handle flag_strength_reduce.
7879 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7880 and OPT_fstrength_reduce.
7881 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7882 flag_prefetch_loop_arrays for being nonzero.
7883 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7885 (fprefetch-loop-arrays-rtl): Removed.
7886 (flag_prefetch_loop_arrays): Do not specify the value.
7888 * doc/passes.texi: Update documentation of loop optimizer
7890 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7891 -frerun-loop-opt): Remove.
7893 2006-02-26 Richard Guenther <rguenther@suse.de>
7895 PR tree-optimization/26421
7896 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7897 in function calls that are ADDR_EXPRs as using the whole structure.
7899 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7901 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7902 * tree-pass.h (pass_loop_optimize): Remove.
7903 * passes.c (pass_loop_optimize): Never run it.
7904 * toplev.c (backend_init): Don't call init_loop.
7905 * opts.c (flag_loop_optimize_set): Remove.
7906 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7907 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7908 the old RTL loop optimizer when profiling enabled.
7909 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7910 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7911 pre-headers for the sake of the old RTL loop optimizer.
7912 * Makefile.in: Remove all references to loop.o.
7914 * doc/invoke.texi: Remove all references to -floop-optimize
7915 and -frerun-loop-opt.
7917 2006-02-26 Zack Weinberg <zackw@panix.com>
7919 * doc/md.texi (Machine Constraints): Refer to all files with paths
7920 relative to gcc directory (i.e. config/CPU/file). Add missing
7921 @table @code ... @end table to M32C subsection.
7923 2006-02-26 Roger Sayle <roger@eyesopen.com>
7925 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7927 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7929 2006-02-26 Roger Sayle <roger@eyesopen.com>
7930 James A. Morrison <phython@gcc.gnu.org>
7933 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7934 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7935 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7936 signedness of the shift operation.
7938 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7940 PR tree-optimization/26359
7941 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7943 2006-02-25 Roger Sayle <roger@eyesopen.com>
7945 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7946 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7947 as X == 0, and some symmetry related transformations.
7948 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7950 2006-02-25 Roger Sayle <roger@eyesopen.com>
7953 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7954 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7955 symmetry related transformations. Fold (X^C1) == C2 as
7958 2006-02-25 Juergen Weigert <jw@suse.de>
7959 Richard Guenther <rguenther@suse.de>
7961 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7963 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7965 * combine.c (gen_lowpart_or_truncate): Call
7966 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7968 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7970 * doc/invoke.texi: Move -fopenmp description to "Options for
7972 Remove reference to -lgomp.
7974 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7976 * doc/install.texi: Require GNU tar version 1.14.
7978 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7980 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7981 * doc/invoke.texi (C++ Dialect Options): Document
7982 -fno-use-cxa-get-exception-ptr.
7983 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7984 * configure: Regenerate.
7985 * c.opt (fuse-cxa-get-exception-ptr): New.
7986 * c-opts.c (c_common_handle_option): Handle
7987 OPT_fuse_cxa_get_exception_ptr.
7988 * c-common.c (flag_use_cxa_atexit): Update documentation.
7989 (flag_use_cxa_get_exception_ptr): New.
7990 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7991 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7993 (C_COMMON_OVERRIDE_OPTIONS): New.
7995 2006-02-24 Roger Sayle <roger@eyesopen.com>
7998 * combine.c (try_combine): Explicitly check whether GET_CODE is
7999 a SET or a CLOBBER, instead on checking that it isn't a USE.
8001 2006-02-24 Roger Sayle <roger@eyesopen.com>
8003 * fold-const.c (fold_comparison): New subroutine of fold_binary
8004 containing transformations common to both the equality and
8005 ordering relational operators, factored out of fold_binary.
8006 (fold_binary): Separate out the equality operators (EQ_EXPR
8007 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8008 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8009 transformations common to both.
8010 (fold_div_compare): Fix latent bugs in the previously unreachable
8011 LT_EXPR and GE_EXPR cases.
8013 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8015 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8016 decl libname for clog to __clog on AIX.
8018 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8020 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8023 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8024 output traceback table for thunks. Localise rs6000_stack_info call.
8026 2006-02-23 Roger Sayle <roger@eyesopen.com>
8027 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8029 * gthr-posix.h (__gthrw): Fix typo in comment.
8031 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8033 * doc/cpp.texi (Character sets): Document that we do support
8034 input files to be in any character set.
8036 2006-02-23 Jeff Law <law@redhat.com>
8038 * tree.h (PHI_ARG_NONZERO): Remove.
8039 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8040 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8041 node to the new node.
8043 PR tree-optimization/26425
8044 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8045 min/max, then assume its varying.
8047 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8049 PR rtl-optimization/26316
8050 * rtlanal.c (enum may_trap_p_flags): New.
8051 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8052 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8053 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8054 (may_trap_after_code_motion_p): New function.
8055 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8056 (find_invariant_insn): Use may_trap_after_code_motion_p.
8057 * rtl.h (may_trap_after_code_motion_p): Declare.
8059 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8061 * emit-rtl.c (immed_double_const): Cleanup.
8063 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8065 Fix PR tree-optimization/26376
8066 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8069 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8072 * gimplify.c (omp_add_variable): Guard variable size decl test with
8073 DECL_SIZE (decl) check.
8075 2006-02-23 Richard Guenther <rguenther@suse.de>
8078 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8079 like aggregate types.
8081 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8083 * configure.ac: Add --with{,out}-long-double-128 configure option.
8084 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8085 * configure: Rebuilt.
8086 * config.in: Rebuilt.
8087 * doc/install.texi (Options specification): Document
8088 --with-long-double-128.
8090 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8091 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8092 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8093 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8095 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8097 * config/s390/s390.c (override_options): Handle
8098 TARGET_DEFAULT_LONG_DOUBLE_128.
8100 * config/alpha/alpha.c (override_options): Handle
8101 TARGET_DEFAULT_LONG_DOUBLE_128.
8103 * config/sparc/sparc.c (sparc_override_options): Handle
8104 TARGET_DEFAULT_LONG_DOUBLE_128.
8106 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8108 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8109 (real-install-headers-tar, real-install-headers-cpio)
8110 (real-install-headers-cp): New targets.
8112 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8114 * tree.h (variable_section): Delete.
8115 * varasm.c (variable_section): Delete.
8117 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8119 * install.texi: Add notes on install.texi2html.
8120 (Building in parallel): Do not use footnotes.
8122 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8125 * doc/install.texi (Configuration): Document --disable-libgomp.
8127 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8129 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8131 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8133 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8134 (vec_extractv2df_0_sse): New.
8136 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8138 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8139 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8140 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8141 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8142 to the result of the expression.
8143 (def_cfa_1): Adjust.
8144 (frame_pointer_cfa_offset): Rename to...
8145 (frame_pointer_fb_offset): ... this. Adjust all uses.
8146 (convert_cfa_to_loc_list): Rename to...
8147 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8148 Pass it on to build_cfa_loc.
8149 (compute_frame_pointer_to_cfa_displacement): Rename to...
8150 (compute_frame_pointer_to_fb_displacement): ... this. New
8151 offset parameter. Use it in computation.
8152 (gen_subprogram_die): Compute cfa_fb_offset with the new
8153 macro, and use it to compute the fb loc list and the
8156 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8158 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8159 replaced with register_operand.
8160 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8161 non-DREG is expensive.
8162 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8163 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8166 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8168 * doc/install.texi2html: Use set -e.
8170 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8172 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8173 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8174 * doc/invoke.texi (-fshared-data): Delete.
8175 * common.opt (fshared-data): Delete.
8176 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8177 (assemble_static_space): Remove #if 0 code.
8178 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8179 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8180 * config/cris/cris.h: Remove FIXME.
8182 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8184 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8187 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8190 * combine.c (simplify_shift_const_1): Disable nested shifts
8191 optimization for vector shifts.
8193 2006-02-20 Roger Sayle <roger@eyesopen.com>
8195 PR tree-optimization/26361
8196 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8197 of unsigned integer types.
8199 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8201 * tree-chrec.c (eq_evolutions_p): New.
8202 * tree-chrec.h (eq_evolutions_p): Declared.
8203 * tree-data-ref.c: Fix formatting.
8204 (datadep_stats, dependence_stats): New.
8206 (print_direction_vector): New.
8207 (dump_data_dependence_relation): Use print_direction_vector.
8208 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8209 (compute_subscript_distance): Static.
8210 (initialize_data_dependence_relation): Static. Get the number
8211 of loops surrounding the references from the callers, and initialize
8212 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8213 base_object_differ_p analyzers.
8214 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8215 compute_overlap_steps_for_affine_1_2,
8216 analyze_subscript_affine_affine): Count the classified dependences.
8217 Print a message when a test failed.
8218 (can_use_analyze_subscript_affine_affine): New.
8219 (analyze_siv_subscript): Compute the data dependences on symbolic
8220 scevs that verify can_use_analyze_subscript_affine_affine.
8221 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8222 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8223 Handle symbolic scevs.
8224 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8226 (subscript_dependence_tester): Moved...
8227 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8228 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8229 DDR_SIZE_VECT instead of getting it in parameter.
8230 (subscript_dependence_tester): ... here. Take as a parameter
8231 loop_nest_depth. Call build_classic_dist_vector and
8232 build_classic_dir_vector.
8233 (compute_affine_dependence): Update subscript_dependence_tester
8234 parameters. Update datadep_stats counters. Call
8235 compute_subscript_distance.
8236 (compute_self_dependence): Save the dist and dir vectors. Call
8237 compute_subscript_distance.
8238 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8239 (compute_all_dependences): Reorder parameters as they were before
8240 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8241 compute_subscript_distance. Update the use of
8242 compute_affine_dependence and initialize_data_dependence_relation.
8243 (find_data_references_in_loop): Handle COMPONENT_REF.
8244 (compute_data_dependences_for_loop): Initialize dependence_stats.
8245 Don't call build_classic_dist_vector and build_classic_dir_vector.
8246 Update the parameters of initialize_data_dependence_relation and
8247 compute_all_dependences. Print the statistics from datadep_stats.
8248 (analyze_all_data_dependences): Static. Not used until the pass for
8249 checking the data dependences is contributed.
8250 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8251 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8252 (initialize_data_dependence_relation, compute_affine_dependence,
8253 analyze_all_data_dependences, compute_subscript_distance): Removed.
8254 (print_direction_vector): New.
8255 * lambda.h (gcd): ... here.
8256 (lambda_vector_gcd): Moved here from gcd_vector.
8257 * lambda-code.c (gcd, gcd_vector): Removed.
8258 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8259 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8261 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8263 * ipa-type-escape.c: Tidy some comments and white space.
8264 * tree-ssa-operands.c: Likewise.
8266 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8269 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8270 (dump_decl_name): Do not walk the decl tree chains.
8271 * tree-pass.h (TDF_CHAIN): Remove.
8273 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8275 * Makefile.in (C): Remove
8277 (.PHONY): Remove C and PROTO
8279 2006-02-20 Roger Sayle <roger@eyesopen.com>
8282 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8283 deprecated CHAR_TYPE tree code.
8285 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8287 * configure.ac (target_list): Add install-info, dvi, html.
8288 * configure: Regenerate.
8290 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8291 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8292 treelang/Make-lang.in: Do not use double-colon rules.
8294 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8296 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8297 (TMT_USED_ALONE): New macro.
8298 * tree-pass.h (PROP_tmt_usage): New property.
8299 (TODO_update_tmt_usage): New todo.
8300 * tree-ssa-alias.c (updating_used_alone): New variable.
8301 (recalculate_used_alone): New function.
8302 (compute_may_aliases): Set updating_used_alone, call
8303 recalculate_used_alone.
8304 * tree-sra.c (pass_sra): Note that this pass destroys
8305 PROP_tmt_usage, and add TODO_update_tmt_usage.
8306 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8307 * tree-flow.h (updating_used_alone): Prototype.
8308 (recalculate_used_alone): Ditto.
8309 * passes.c (execute_todo): Add code to set updating_used_alone,
8310 and call recalculate.
8311 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8312 for clobber if used alone, and add assert to verify used_alone
8315 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8317 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8318 for non tls symbols added.
8319 (legitimize_address): Do nothing for PLUS expressions if one of the
8320 addends is a tls symbol reference.
8322 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8326 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8328 * Makefile.in (BOOTSTRAPPING): New.
8329 (quickstrap): New definition if BOOTSTRAPPING=yes.
8331 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8332 * configure.ac: Substitute all_selected_languages with the languages
8333 that were configured. For all the other variables except
8334 lang_specs_files, include all the languages in the tree.
8335 * configure: Regenerate.
8337 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8338 if there is one. Run the commands to run fixincludes in the same
8341 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8342 * doc/install.texi: Document exact conventions for searching target tools.
8343 Document --with-build-time-tools. Document toplevel bootstrap. Document
8344 something more about building an Ada cross-compiler. Don't list GNU Make
8345 requirements which affect all platforms.
8347 2006-02-19 Roger Sayle <roger@eyesopen.com>
8350 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8351 only equivalent if the have both the same mode and precision.
8353 2006-02-20 Ben Elliston <bje@au.ibm.com>
8355 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8357 2006-02-19 Roger Sayle <roger@eyesopen.com>
8358 Steven Bosscher <stevenb.gcc@gmail.com>
8360 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8361 constant pool references to identify stack mode constants.
8362 * rtlanal.c (constant_pool_constant_p): New predicate to check
8363 whether operand is a floating point constant in the pool.
8364 * rtl.h (constant_pool_constant_p): Prototype here.
8365 * loop.c (scan_loop): Avoid hoisting constants from the constant
8366 pool on STACK_REGS targets.
8367 (load_mems): Likewise.
8368 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8369 loads into x87 registers expensive in terms of register pressure.
8371 2006-02-19 Roger Sayle <roger@eyesopen.com>
8373 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8374 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8376 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8378 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8379 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8381 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8383 * doc/invoke.texi: Document -fipa-pta.
8384 * common.opt: Add ipa-pta option.
8385 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8386 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8387 (do_ds_constraint): Ditto.
8388 (get_constraint_for): Only add to referenced_vars if
8389 referenced_vars exists.
8390 (insert_into_field_list): Rewrite to do this unsorted.
8391 (insert_into_field_list_sorted): Rename old insert_into_field_list
8393 (create_function_info_for): Use insert_into_field_list_sorted.
8394 (create_variable_info_for): Rewrite so it uses unsorted version,
8395 since the field list is sorted.
8396 (intra_create_variable_infos): Only add to referenced_vars if
8397 referenced_vars exists.
8398 (ipa_pta_execute): Init heapvars, and delete when done.
8399 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8401 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8403 * doc/install.texi: Add missing `@samp'.
8405 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8407 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8410 2006-02-18 Mark Wielaard <mark@klomp.org>
8412 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8413 who added new 4.1 features, bug fixes and integration support.
8415 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8418 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8421 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8423 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8424 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8425 (copy_insn_1): Likewise. Don't copy each field individually.
8427 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8429 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8430 * rtl.c (rtx_size): Rename variable to...
8431 (rtx_code_size): ...this.
8432 (rtx_size): New function.
8433 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8434 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8436 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8437 * rtl.h (rtx_code_size): New variable.
8438 (rtx_size): Change from a variable to a function.
8439 (RTX_SIZE): Rename to...
8440 (RTX_CODE_SIZE): ...this.
8443 PR tree-optimization/17106
8444 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8445 (Anchored Addresses): New section.
8446 * doc/invoke.texi (-fsection-anchors): Document.
8447 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8448 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8449 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8450 * hooks.c (hook_bool_mode_rtx_false): New function.
8451 * hooks.h (hook_bool_mode_rtx_false): Declare.
8452 * gengtype.c (create_optional_field): New function.
8453 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8454 SYMBOL_REF_IN_BLOCK_P is true.
8455 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8456 (min_anchor_offset, max_anchor_offset): Likewise.
8457 (use_anchors_for_symbol_p): New hook.
8458 * toplev.c (compile_file): Call output_object_blocks.
8459 (target_supports_section_anchors_p): New function.
8460 (process_options): Check that -fsection-anchors is only used on
8461 targets that support it and when -funit-at-a-time is in effect.
8462 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8463 if the decl doesn't have one.
8464 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8465 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8466 of force_const_mem through use_anchored_address.
8467 (expand_expr_constant): New function.
8468 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8469 calling expand_expr for INDIRECT_REF.
8470 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8471 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8472 * expr.h (use_anchored_address): Declare.
8473 * loop-unroll.c: Don't declare rtx vectors here.
8474 * explow.c: Include output.h.
8475 (validize_mem): Call use_anchored_address.
8476 (use_anchored_address): New function.
8477 * common.opt (-fsection-anchors): New switch.
8478 * varasm.c (object_block_htab, anchor_labelno): New variables.
8479 (hash_section, object_block_entry_eq, object_block_entry_hash)
8480 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8481 (use_blocks_for_decl_p, change_symbol_section): New functions.
8482 (get_variable_section): New function, split out from assemble_variable.
8483 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8484 use_blocks_for_decl_p say so. Use change_symbol_section if the
8485 symbol has already been created.
8486 (assemble_variable_contents): New function, split out from...
8487 (assemble_variable): ...here. Don't output any code for
8488 block symbols; just pass them to place_block_symbol.
8489 Use get_variable_section and assemble_variable_contents.
8490 (get_constant_alignment, get_constant_section, get_constant_size): New
8491 functions, split from output_constant_def_contents.
8492 (build_constant_desc): Create a block symbol if use_object_blocks_p
8493 says so. Or into SYMBOL_REF_FLAGS.
8494 (assemble_constant_contents): New function, split from...
8495 (output_constant_def_contents): ...here. Don't output any code
8496 for block symbols; just pass them to place_section_symbol.
8497 Use get_constant_section and get_constant_alignment.
8498 (force_const_mem): Create a block symbol if use_object_blocks_p and
8499 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8500 (output_constant_pool_1): Add an explicit alignment argument.
8501 Don't switch sections here.
8502 (output_constant_pool): Adjust call to output_constant_pool_1.
8503 Switch sections here instead. Don't output anything for block symbols;
8504 just pass them to place_block_symbol.
8505 (init_varasm_once): Initialize object_block_htab.
8506 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8507 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8508 (place_block_symbol, get_section_anchor, output_object_block)
8509 (output_object_block_htab, output_object_blocks): New functions.
8510 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8511 (TARGET_ASM_OUT): Include it.
8512 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8513 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8514 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8515 (TARGET_INITIALIZER): Include them.
8516 * rtl.c (rtl_check_failed_block_symbol): New function.
8517 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8518 (block_symbol, object_block): New structures.
8519 (rtx_def): Add a block_symbol field to the union.
8520 (BLOCK_SYMBOL_CHECK): New macro.
8521 (rtl_check_failed_block_symbol): Declare.
8522 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8523 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8524 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8525 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8526 * output.h (output_section_symbols): Declare.
8527 (object_block): Name structure.
8528 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8529 (default_use_anchors_for_symbol_p): Declare.
8530 * Makefile.in (RTL_BASE_H): Add vec.h.
8531 (explow.o): Depend on output.h.
8532 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8533 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8534 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8535 (rs6000_use_blocks_for_constant_p): New function.
8537 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8539 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8541 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8544 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8547 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8549 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8553 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8556 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8557 instead of DECL_REGISTER.
8559 2006-02-18 Olivier Hainque <hainque@adacore.com>
8562 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8564 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8567 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8568 * opth-gen.awk: Handle Var and InverseMask together.
8569 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8570 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8571 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8572 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8574 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8575 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8576 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8577 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8578 LINUX_DYNAMIC_LINKER): Define.
8579 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8580 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8582 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8583 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8584 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8585 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8586 (TARGET_C99_FUNCTIONS): Don't define.
8587 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8588 GLIBC_DYNAMIC_LINKER.
8589 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8590 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8591 GLIBC_DYNAMIC_LINKER64): Define.
8592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8593 LINUX_DYNAMIC_LINKER64.
8594 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8595 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8596 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8598 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8600 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8601 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8602 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8604 and LINUX_DYNAMIC_LINKER32.
8605 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8607 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8608 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8609 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8611 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8612 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8613 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8614 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8615 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8616 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8617 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8618 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8619 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8620 LINUX_DYNAMIC_LINKER): Define.
8621 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8622 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8623 GLIBC_DYNAMIC_LINKER64): Define.
8624 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8625 LINUX_DYNAMIC_LINKER64.
8626 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8627 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8628 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8629 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8630 LINUX_DYNAMIC_LINKER): Define.
8631 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8632 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8633 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8634 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8635 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8636 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8637 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8638 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8639 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8640 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8642 * doc/invoke.texi (-muclibc): Remove caveat about supported
8645 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8647 * doc/cpp.texi (__TIMESTAMP__): Document.
8649 2006-02-17 Roger Sayle <roger@eyesopen.com>
8652 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8653 C is one less than the width of X (and related transformations).
8654 * simplify-rtx.c (simplify_unary_operation_1): Transform
8655 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8656 depending on STORE_FLAG_VALUE, were C is one less then the
8659 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8661 Fix PR tree-optimization/26341
8662 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8663 about NAME_MEMORY_TAG's.
8665 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8668 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8669 with hardware float support, and software float support. Add fcpy
8670 alternative to hardware patterns. Add alternatives to copy between
8671 general and floating-point registers to the 32-bit pattern.
8672 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8673 secondary reload to load a QI or HI mode constant into a floating
8675 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8676 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8678 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8681 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8683 (load_macho_picbase_di): Likewise.
8685 2006-02-16 Jeff Law <law@redhat.com>
8687 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8688 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8689 (ssa_name_nonzero_p): Likewise.
8690 (get_value_range): Return NULL if VRP is not running.
8691 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8692 VRP routines do not discover a range.
8693 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8694 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8695 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8696 (tree_expr_nonnegative_p): Similarly.
8697 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8698 (restore_nonzero_vars_to_original_value): Remove.
8699 (unsafe_associative_fp_binop): Remove.
8700 (tree_ssa_dominator_optimize): Remove initialization and
8701 finalization of nonzero_vars and nonzero_vars_stack.
8702 (dom_opt_initialize_block): No longer push marker on
8704 (dom_opt_finalize_block): No longer call
8705 restore_nonzero_vars_to_original_value.
8706 (record_equivalences_from_phis): No longer look for
8707 nonzero PHI arguments.
8708 (cprop_into_successor_phis): No longer propagate nonzero
8709 property into PHI arguments. Lose unused argument. Caller
8711 (record_equivalences_from_stmt): No longer record nonzero
8712 values for SSA_NAMEs.
8713 (lookup_avail_expr): No longer use nonzero_vars.
8715 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8716 for sizetype when sizetype is unsigned.
8718 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8720 PR rtl-optimization/25603
8721 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8722 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8723 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8724 with new meaning of SETS.
8726 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8731 * config/linux.opt: New file.
8732 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8733 LINUX_DYNAMIC_LINKER): Define.
8734 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8735 * config.gcc (*-*-linux*): Define extra_options.
8736 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8737 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8738 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8739 GLIBC_DYNAMIC_LINKER.
8740 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8741 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8742 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8743 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8744 * doc/invoke.texi (GNU/Linux Options): New section.
8746 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8748 * config/sparc/sparc.md (setjmp): Rewrite.
8749 (setjmp_32): Delete.
8750 (setjmp_64): Likewise.
8752 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8754 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8757 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8759 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8762 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8764 PR rtl-optimization/26296
8765 * Makefile.in (loop-invariant.c): Add except.h dependency.
8766 * loop-invariant.c: Include except.h.
8767 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8769 2005-02-16 Paul Brook <paul@codesourcery.com>
8771 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8774 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8776 PR rtl-optimization/25636
8777 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8778 when deciding whether an insn is an initializing insn.
8780 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8782 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8783 (tree_code_size): Ditto.
8784 * tree.h (struct tree_memory_tag): Remove parent_var.
8785 (struct tree_struct_field_tag): New.
8788 (union tree_node): Add sft member.
8789 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8791 (create_sft): Add size and offset argument, set SFT_OFFSET and
8793 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8794 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8795 * tree-flow-inline.h (get_subvar_at): Update for
8796 SFT_OFFSET/SFT_SIZE.
8797 (var_can_have_subvars): Ditto.
8798 (overlap_subvar): Ditto.
8799 * print-tree.c (print_node): Print out interesting things for
8801 * tree-flow.h (struct subvar): Remove offset and size members.
8802 * tree-ssa-operands.c (get_expr_operands): Update for
8803 get_indirect_ref_operands changes.
8804 (get_indirect_ref_operands): Call add_virtual_operand instead of
8805 add_stmt_operand. Only recurse on base var if requested.
8806 (access_can_touch_variable): New function.
8807 (add_stmt_operand): Split virtual operand handling into ...
8808 (add_virtual_operand): Here. Add offset, size, and for_clobber
8809 arguments. Prune alias sets.
8810 (add_call_clobber_ops): Call add_virtual_operand.
8812 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8815 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8817 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8818 than TREE_CODE as index into omp_clause_num_ops array.
8820 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8822 PR rtl-optimization/26184
8823 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8825 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8826 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8827 must_precede, must_follow and tobe_scheduled.
8830 * opts.c (common_handle_option): Free new_option pointer.
8831 * df-core.c (df_analyze): Free postorder pointer.
8833 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8835 * Makefile.in: Fix the examples about the use of stamps
8837 2006-02-15 Michael Matz <matz@suse.de>
8841 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8842 influenced by maximum_field_alignment or DECL_PACKED.
8843 (update_alignment_for_field): Ditto.
8844 (place_field): Ditto.
8845 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8848 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8850 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8851 (debug_flow_info): Pass it.
8852 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8853 * bb-reorder.c (reorder_basic_blocks): Likewise.
8854 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8855 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8856 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8857 * gcse.c (gcse_main, bypass_jumps): Likewise.
8858 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8859 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8860 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8861 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8862 * rtl.h (dump_flow_info): Adjust prototype.
8863 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8864 * var-tracking.c (variable_tracking_main): Likewise.
8865 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8866 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8869 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8871 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8874 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8876 PR tree-optimization/26209
8877 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8878 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8880 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8882 2006-02-14 Roger Sayle <roger@eyesopen.com>
8885 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8886 (X,Y) and the corresponding symmetry related transformations.
8887 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8888 (X,Y) and its symmetry related transformations.
8890 2006-02-14 Roger Sayle <roger@eyesopen.com>
8892 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8895 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8897 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8899 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8902 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8903 support COMDAT group.
8904 * configure: Regenerate.
8906 2006-02-14 Roger Sayle <roger@eyesopen.com>
8911 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8913 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8915 Fix PR tree-optimization/26260
8917 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8919 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8920 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8921 * tree-ssa-structalias.c (create_variable_info_for): Use
8922 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8924 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8926 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8928 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8929 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8930 of the ending condition.
8931 * tree-ssa-loop-manip.c: Include params.h.
8932 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8933 tree_unroll_loop): New functions.
8934 * tree-pass.h (pass_loop_prefetch): Declare.
8935 * loop.c (rest_of_handle_loop_optimize): Test for
8936 -fprefetch-loop-arrays-rtl.
8937 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8938 * timevar.def (TV_TREE_PREFETCH): New timevar.
8939 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8940 pass_loop_prefetch): New.
8941 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8942 (cleanup_tree_cfg_loop): Call scev_reset.
8943 * common.opt (fprefetch-loop-arrays-rtl): Add.
8944 * tree-ssa-loop-prefetch.c: New file.
8945 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8946 (new_temp_expr_table): Initialize expr_vars.
8947 (free_temp_expr_table): Cleanup expr_vars.
8948 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8949 expressions from being merged into one.
8950 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8951 (struct tree_niter_desc): Add control, bound and cmp fields.
8952 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8954 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8955 (tree-cfgcleanup.o): Add SCEV_H dependency.
8956 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8957 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8959 2006-02-14 Richard Guenther <rguenther@suse.de>
8961 PR tree-optimization/26258
8962 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8963 in PHI argument processing.
8965 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8967 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8968 new expression in the requested machine mode.
8970 2006-02-13 Roger Sayle <roger@eyesopen.com>
8972 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8973 directly, instead let do_compare_rtx_and_jump handle this for us.
8974 * expr.c (expand_expr_real_1): Likewise.
8975 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8976 before do_jump_by_parts_greater.
8977 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8978 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8980 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8982 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8984 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8986 PR rtl-optimization/26235
8987 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8988 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8991 2006-02-13 Jeff Law <law@redhat.com>
8993 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8996 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8999 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9000 twice if decl is a builtin. When trying again, call get_callee_fndecl
9001 first to verify it is still a builtin.
9003 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9005 * dwarf2out.c (base_type_die): Don't add AT_name here.
9006 (subrange_type_die): Don't add AT_name here.
9007 (modified_type_die): Rearrange code flow. Do add AT_name here.
9009 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9011 PR rtl-optimization/26247
9012 PR rtl-optimization/26248
9013 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9015 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9017 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9018 * config/fixtfdi.c: Likewise.
9019 * config/fixunstfdi.c: Likewise.
9020 * config/floatditf.c: Likewise.
9022 2006-02-13 Roger Sayle <roger@eyesopen.com>
9025 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9026 into (X,C2) if C1 is a subset of the bits of C2. Transform
9027 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9029 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9031 2006-02-13 Josh Conner <jconner@apple.com>
9034 * varasm.c (function_section): Check for section name before
9035 calling select_section on targets that define
9036 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9037 unlikely_text_section instead of hot_function_section if
9038 first_function_block_is_cold.
9040 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9043 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9045 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9047 PR rtl-optimization/26222
9048 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9049 after tree->rtl expansion.
9050 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9051 before passing it to emit_move_insn.
9053 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9055 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9057 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9058 Clarify documentation.
9059 * c-common.h (warn_write_strings): Remove.
9060 * c-common.c (warn_write_strings): Likewise.
9061 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9064 2006-02-12 Roger Sayle <roger@eyesopen.com>
9067 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9068 (do_jump_parts_zero_rtx): New function renamed from
9069 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9070 (do_jump_parts_equality_rtx): New function split out from
9071 do_jump_parts_equality. Old implementation renamed as above.
9072 Call do_jump_parts_zero_rtx if either operand is zero.
9073 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9074 do all of the heavy lifting.
9075 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9076 calling either do_jump_by_parts_greater_rtx or
9077 do_jump_by_parts_equality_rtx.
9078 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9079 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9080 moved to do_compare_rtx_and_jump, call it directly.
9081 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9082 mode argument. Call do_compare_rtx_and_jump.
9083 (emit_case_nodes): Update calls to do_jump_if_equal.
9085 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9087 PR rtl-optimization/26225
9088 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9090 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9092 PR rtl-optimization/26232
9093 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9095 2006-02-11 Jason Merrill <jason@redhat.com>
9098 * tree-inline.c (declare_return_variable): Just don't use the
9099 modify target if it's a gimple complex reg and the return slot
9102 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9104 * doc/contrib.texi: Update my entry.
9106 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9108 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9110 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9112 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9115 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9117 * doc/invoke.texi (-floop-optimize2): Removed.
9118 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9119 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9120 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9121 * common.opt (floop-optimize2): Removed.
9122 (fmove-loop-invariants): Enabled by default.
9124 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9126 * tree-if-conv.c (combine_blocks): Free the result of
9127 get_loop_exit_edges.
9129 2006-02-10 Jeff Law <law@redhat.com>
9131 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9133 PR tree-optimization/26213
9134 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9135 loop trying to follow SSA_NAME_VALUE chains.
9137 2006-02-10 Richard Guenther <rguenther@suse.de>
9139 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9140 deal with structures that end in implicitly variable sized arrays.
9142 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9144 PR rtl-optimization/24762
9145 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9148 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9150 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9151 (struct ivopts_data): Add regs_used field.
9152 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9153 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9154 instead of loop_data->regs_used;
9155 (free_loop_data): Do not free aux fields for loops.
9156 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9157 and tree_ssa_iv_optimize_finalize.
9159 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9161 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9163 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9166 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9167 computing the effective result type.
9169 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9172 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9173 (tree_overlaps_hard_reg_set): Declare.
9174 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9175 type and signature to match function type expected by walk_tree.
9176 (tree_overlaps_hard_reg_set): New function.
9177 (decl_conflicts_with_clobbers_p): Rename to:
9178 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9179 Use tree_overlaps_hard_reg_set. Changed caller.
9180 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9181 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9182 * cris.c (cris_md_asm_clobbers): Likewise.
9184 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9186 * reload1.c (emit_input_reload_insns): Delete code that tries to
9187 inherit using find_equiv_reg.
9189 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9191 * c-common.h (flag_const_strings): Don't declare.
9192 * c-common.c (flag_const_strings): Remove.
9193 * c.opt (fconst_strings): Remove.
9194 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9195 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9196 (c_common_init_options): Don't set flag_const_strings.
9197 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9199 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9201 * arm.md (tlobits_cbranch): New pattern.
9202 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9203 testing a single bit.
9205 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9208 * tree-ssa-pre.c (create_component_ref_by_pieces):
9209 Handle RETURN_DECL like VAR_DECL.
9211 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9214 * fold-const.c (fold_indirect_ref_1): Fold
9215 "*(foo *)&complexfoo" to "__real__ complexfoo"
9216 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9218 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9220 * tree-flow-inline.h (var_can_have_subvars):
9221 Volatile variables should not have subvariables.
9223 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9226 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9227 multiplying unsigned values.
9230 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9232 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9234 2006-02-08 Jason Merrill <jason@redhat.com>
9237 * tree.def: Elaborate on difference from MODIFY_EXPR.
9238 * doc/c-tree.texi (INIT_EXPR): Likewise.
9239 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9240 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9241 (gimplify_target_expr): Likewise.
9242 (gimplify_cond_expr): Remove target handling.
9243 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9244 (gimplify_expr): Clobber it here.
9245 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9246 Do return slot optimization if we have an INIT_EXPR.
9249 * tree-inline.c (declare_return_variable): Also clear
9250 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9253 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9256 * gimplify.c (gimplify_one_sizepos): Fix typo.
9258 2006-02-08 Jeff Law <law@redhat.com>
9260 PR tree-optimization/21417
9261 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9262 across a backedge if the control statement at the end of the
9263 block is data dependent on other statements in the same block.
9264 (record_temporary_equivalences_from_stmts): Remove over-conservative
9265 test for threading across backedges.
9267 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9268 control statement, handle all three special cases in the same
9269 manner as they all have the same desired solution. No longer
9270 special case edge flag updating when the post dominator is
9273 2006-02-08 Roger Sayle <roger@eyesopen.com>
9275 * tree.def (CHAR_TYPE): Remove.
9276 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9277 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9278 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9279 (gen_string_type_die): Delete unreachable function.
9281 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9282 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9283 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9284 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9285 * builtins.c (type_to_class): Likewise.
9286 * fold-const.c (fold_convert, build_range_check,
9287 merge_ranges): Likewise.
9288 * expr.c (count_type_elements): Likewise.
9289 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9290 * stor-layout.c (layout_type): Likewise.
9291 * ipa-type-escape.c (type_to_consider): Likewise.
9292 * gimplify.c (omp_firstprivatize_type_sizes,
9293 gimplify_type_sizes): Likewise.
9294 * explow.c (promote_mode): Likewise.
9295 * tree-sra.c (is_sra_scalar_type): Likewise.
9296 * varasm.c (output_constant): Likewise.
9297 * tree-inline.c (remap_type_1): Likewise.
9298 * convert.c (convert_to_pointer, convert_to_real,
9299 convert_to_integer, convert_to_complex): Likewise.
9301 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9303 * df-scan.c (df_def_record_1): A set destination may
9304 be a parallel regardless of mode.
9306 2006-02-08 Roger Sayle <roger@eyesopen.com>
9309 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9310 * config/mips/_tilib.c: Remove.
9311 * config/fixtfdi.c: New libgcc source file.
9312 * config/fixunstfdi.c: New source file.
9313 * config/floatditf.c: New source file.
9314 * config/floatunditf.c: New souce file.
9315 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9316 files above instead of config/mips/_tilib.c.
9317 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9319 2006-02-08 Jeff Law <law@redhat.com>
9321 PR tree-optimization/26169
9322 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9325 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9327 * df.h (DF_REG_SIZE): Return the length of the initialized
9330 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9332 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9333 __muldf3): Return a correctly signed zero.
9335 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9337 * passes.c (register_one_dump_file): Accept the current properties
9338 instead of pass number. Adjust call to dump_register. Remove
9340 (register_dump_files): Now a wrapper around...
9341 (register_dump_files_1): ... this one. Do not modify the pass
9343 (next_pass_1): Cosmetic fix.
9344 (execute_todo): Keep second parameter only. Use curr_properties
9345 instead of fetching it from the pass structure. Check and set
9347 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9348 instead of fetching it from the pass structure. Fix calls to
9349 execute_todo. Update curr_properties and initialize .vcg RTL dump
9350 after running the pass. Reset last_verified.
9351 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9353 (FIRST_AUTO_NUMBERED_DUMP): New.
9354 (dump_register): Remove "num" parameter, assign it within the
9356 (get_dump_file_name): Modify template for dumps.
9357 * tree-dump.h (dump_register): Adjust prototype.
9358 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9359 (PROP_trees): Add PROP_gimple_lomp.
9360 (TODO_set_props): New.
9361 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9362 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9363 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9365 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9367 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9368 (sparc64-*-linux*): Likewise.
9369 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9370 * config/sparc/t-linux: New file.
9371 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9372 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9373 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9374 -m32 -mlong-double-128.
9376 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9377 * config/alpha/t-linux: New file.
9378 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9380 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9381 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9382 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9383 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9384 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9385 (CPP_ARCH32_SPEC): Remove.
9387 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9389 PR tree-optimization/26145
9390 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9393 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9396 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9397 >= 240000 when generating code for SOM runtime.
9398 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9399 to $$dyncall when generating code for SOM runtime..
9401 2006-02-07 Dirk Mueller <dmueller@suse.com>
9404 * doc/invoke.texi (-Wsequence-point): Update documentation
9405 that -Wsequence-point is implemented for C++ as well.
9407 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9409 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9410 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9411 (LIB_SPEC): Likewise.
9412 * doc/invoke.texi (SPARC options): Document -pthread.
9414 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9416 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9419 2006-02-07 Roger Sayle <roger@eyesopen.com>
9421 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9422 Correct comment describing BOOLEAN_TYPE.
9424 2006-02-07 Dirk Mueller <dmueller@suse.com>
9426 * c.opt: C++ frontend supports -Wdiv-by-zero.
9427 * c-opts.c (c_common_handle_option): Remove dead case.
9429 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9431 * configure.ac (TLS assembler check): Do not enable TLS by
9432 default on SPARC/Solaris before version 10.
9433 * configure: Regenerate.
9435 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9437 * doc/invoke.texi (xl-compat): Document conversion and support
9440 2006-02-07 Jeff Law <law@redhat.com>
9442 * tree-vrp.c (find_conditional_asserts): Update comments.
9443 (simplify_stmt_for_jump_threading): New.
9444 (identify_jump_threads, finalize_jump_threads): New.
9445 (vrp_finalize): Call identify_jump_threads.
9446 (execute_vrp): Call finalize_jump_threads.
9447 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9448 (vrp_element, vrp_data, vrp_element_p): Remove.
9449 (vrp_hash_elt, vrp_variables_stack): Remove.
9450 (vrp_hash, vrp_eq, record_range): Remove.
9451 (simplify_cond_and_lookup_avail_expr): Remove.
9452 (extract_range_from_cond): Remove.
9453 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9454 (simplify_stmt_for_jump_threading): New.
9455 (dom_thread_across_edge): New wrapper.
9456 (tree_ssa_dominator_optimize): No longer initialize or
9457 finalize any of the VRP datastructures. Remove iteration
9458 step and simplify as a result of removal of iteration step.
9459 (pass_dominator): Perform a cfg cleanup after DOM.
9460 (dom_opt_finalize_block): Use the new common routines
9461 for threading jumps. Simplify stack management slightly.
9462 No longer need to unwind VRP state.
9463 (record_equivalences_from_incoming_edge): No longer record
9465 (eliminate_redundant_computations): No longer call
9466 simplify_cond_and_lookup_avail_expr.
9467 * tree-flow.h (potentially_threadable_block): Prototype.
9468 (thread_across_edge): Likewise.
9469 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9470 (tree-ssa-threadedge.o): Add dependencies.
9471 * tree-ssa-threadedge.c: New file.
9472 * passes.c (init_optimization_passes): Merge PHIs before
9473 calling VRP. Run VRP again late in the SSA optimization pipeline.
9475 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9477 * df-core.c (df_set_blocks): Do not dereference function pointers.
9478 (df_finish1): Likewise.
9479 (df_hybrid_search_forward): Likewise.
9480 (df_hybrid_search_backward): Likewise.
9481 (df_iterative_dataflow): Likewise.
9482 (df_analyze_problem): Likewise.
9483 (df_compact_blocks): Likewise.
9484 (df_dump): Likewise.
9485 * df-scan.c (df_rescan_blocks): Likewise.
9486 (df_record_entry_block_defs): Likewise.
9488 * genconditions.c (write_conditions): Guard the definition of
9489 'insn_conditions' with the check on GCC version.
9490 (write_writer): Guard the traversal 'insn_conditions' with
9491 the check on GCC version.
9493 2006-02-07 Richard Guenther <rguenther@suse.de>
9497 2006-01-30 Richard Guenther <rguenther@suse.de>
9499 * gimplify.c (gimplify_target_expr): Handle easy cases
9500 without creating a temporary.
9502 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9504 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9505 use of float in probability computations. Use edge probabilities
9506 in place of statically computed probabilities.
9507 (min_spec_prob): New static variable.
9508 (schedule_insns): Initialize it.
9509 (GET_SRC_PROB): Removed.
9510 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9512 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9515 * config/ia64/unwind-ia64.c: Revert last change.
9516 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9517 (INCOMING_FRAME_SP_OFFSET): Define.
9519 2006-02-06 Roger Sayle <roger@eyesopen.com>
9521 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9523 2006-02-07 Ben Elliston <bje@au.ibm.com>
9525 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9526 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9527 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9528 (ix86_return_in_memory): Handle TDmode.
9529 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9530 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9532 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9534 * reorg.c (dbr_schedule): Use dump_file instead of file.
9536 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9539 * config/ia64/predicates.md (extr_len_operand): New predicate.
9540 * config/ia64/ia64.md (extv): Tighten constraints.
9542 (*tbit_and_2): Ditto.
9543 (*tbit_and_3): Ditto.
9544 (*tbit_or_2): Ditto.
9545 (*tbit_or_3): Ditto.
9549 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9552 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9554 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9556 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9557 loop_optimizer_init and loop_optimizer_finalize
9558 * tree-ssa-sink.c (execute_sink_code): Ditto.
9559 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9560 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9561 tree_ssa_loop_done): Ditto.
9562 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9563 * sched-ebb.c: Include output.h.
9564 (schedule_ebbs): Do not use dump argument.
9565 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9566 * loop.c (loop_dump_stream): Removed.
9567 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9569 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9570 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9571 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9572 loop_iterations, strength_reduce, record_biv, record_giv,
9573 final_giv_value, check_final_value, check_ext_dependent_givs,
9574 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9575 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9576 dump_file instead of loop_dump_stream.
9577 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9579 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9581 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9582 * haifa-sched.c: Include output.h
9583 (schedule_insns, sched_init): Do not use dump argument.
9584 * mode-switching.c (optimize_mode_switching): Ditto.
9585 * modulo-sched.c (stats_file): Removed.
9586 (print_node_sched_params): Do not call argument dump_file.
9587 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9588 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9590 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9592 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9593 rtl_loop_init, rtl_loop_done): Ditto.
9594 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9595 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9597 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9598 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9599 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9600 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9601 * emit-rtl.c (renumber_insns): Ditto.
9602 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9603 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9604 * regclass.c (regclass): Ditto.
9605 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9606 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9607 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9608 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9610 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9611 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9613 * gcse.c (gcse_file, debug_stderr): Removed.
9614 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9615 rest_of_handle_gcse): Do not use dump argument.
9616 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9617 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9618 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9619 compute_code_hoist_vbeinout, compute_code_hoist_data,
9620 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9621 compute_store_table, build_store_vectors, insert_insn_start_bb,
9622 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9623 store_motion): Use dump_file instead of gcse_file.
9624 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9625 * profile.c (profile_dump_file): Removed.
9626 (branch_prob): Use dump_file instead of profile_dump_file.
9627 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9629 * tree-ssa-copy.c (dump_copy_of): Ditto.
9630 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9631 dump file to life_analysis.
9632 * bt-load.c (branch_target_load_optimize): Ditto.
9633 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9635 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9636 regclass, dbr_schedule): Declaration changed.
9637 * sched-int.h (sched_init): Declaration changed.
9638 * tree-profile.c (tree_profile_dump_file): Removed.
9639 (tree_profile_hooks): Removed profile_dump_file hook.
9640 * rtl-profile (rtl_profile_dump_file): Removed.
9641 (rtl_profile_hooks): emoved profile_dump_file hook.
9642 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9644 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9645 * tree-cfg.c (build_tree_cfg): Ditto.
9646 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9647 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9648 Declaration changed.
9649 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9650 life_analysis and schedule_insns.
9651 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9653 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9655 * config/mips/mips.c (mips_reorg): Ditto.
9656 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9659 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9661 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9662 (s390_mangle_fundamental_type): New.
9663 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9666 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9667 (alpha_mangle_fundamental_type): New.
9668 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9671 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9673 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9675 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9676 (sparc_mangle_fundamental_type): New.
9678 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9680 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9681 (s390x-*-linux*): Likewise.
9682 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9683 * config/s390/t-linux: New file.
9685 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9687 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9688 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9690 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9692 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9693 (ANTIC_SAFE_LOADS): New macro.
9694 (find_or_generate_expression): Add prototype.
9695 (set_contains_value): Allow null set for sake of not always having
9696 to allocate ANTIC_SAFE_LOADS.
9697 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9698 Allow COMPONENT_REF too.
9699 (valid_in_set): Allow COMPONENT_REF.
9700 Check ANTIC_SAFE_LOADS too.
9701 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9702 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9704 (can_PRE_operation): Add COMPONENT_REF.
9705 (create_component_ref_by_pieces): New function.
9706 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9707 (insert_aux): Move AGGREGATE_TYPE_P check here.
9708 (compute_avail): Set bb local stmt uids.
9709 (pass_pre): Use TODO_update_ssa_only_virtuals.
9711 2006-02-06 Ben Elliston <bje@au.ibm.com>
9713 * configure.ac: Unconditionally disable decimal float by default.
9714 * configure: Regenerate.
9716 2006-02-06 Ben Elliston <bje@au.ibm.com>
9718 * read-rtl.c (read_name): Terminate reading on EOF.
9720 2006-02-06 Ben Elliston <bje@au.ibm.com>
9722 * dfp.c (decimal_real_arithmetic): Change second argument type
9723 from int to enum tree_code. Do not always return true, but now
9724 return result of any call to decimal_do helper functions.
9725 * dfp.h (decimal_real_arithmetic): Update prototype.
9727 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9729 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9731 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9734 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9737 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9739 * tree-vrp.c (cfg_loops): Removed.
9740 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9741 Use current_loops instead of cfg_loops. Pass flags to
9742 loop_optimizer_init.
9743 * cfgloopmanip.c (fix_loop_structure): Update only available
9745 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9746 loop_optimizer_init.
9747 * modulo-sched.c (build_loops_structure): Removed.
9748 (sms_schedule): Use loop_optimizer_init.
9749 * loop-init.c (loop_optimizer_init): Use flags to determine
9750 which properties of loops to prepare.
9751 (rtl_loop_init): Pass flags to loop_optimizer_init.
9752 * tree-ssa-sink.c (execute_sink_code): Ditto.
9753 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9754 * tree-ssa-pre.c (init_pre): Ditto.
9755 * cfgloop.h (LOOPS_NORMAL): New.
9756 (loop_optimizer_init): Declaration changed.
9758 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9760 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9761 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9763 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9765 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9767 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9768 * pa/t-pa64: Delete quadlib.c rule.
9769 * pa/x-ada: Revert last change.
9770 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9772 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9774 PR rtl-optimization/26087
9775 * rtlanal.c (canonicalize_condition): Do not cross basic block
9778 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9781 * config/ia64/ia64.c: Include debug.h.
9782 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9783 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9784 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9785 (process_epilogue, process_set, process_for_unwind_directive):
9786 Output unwind info only if requested. Add CFA info if requested.
9787 Add new arguments as needed. Adjust callers.
9788 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9790 (DWARF2_FRAME_INFO): Define to zero.
9791 * config/ia64/unwind-ia64.c: Remove code that compensated for
9792 the CFA offset error fixed above.
9793 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9794 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9795 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9796 -funwind-tables and -fexceptions to enable frame info.
9797 (dwarf2out_frame_init): Define initial CFA even if
9798 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9799 DWARF2_UNWIND_INFO is nonzero, not just defined.
9800 (dwarf2out_frame_finish): Output non-EH call frame info only
9801 if DWARF2_FRAME_INFO is nonzero.
9802 (convert_cfa_to_loc_list,
9803 compute_frame_pointer_to_cfa_displacement): Define even if
9804 unwind info is not supported.
9805 (gen_subprogram_die): Use the above unconditionally. Remove
9806 legacy alternate code.
9807 * toplev.c (compile_file): Compile in call to
9808 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9809 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9811 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9812 Jakub Jelinek <jakub@redhat.com>
9814 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9815 IBM extended float format long double as "g" on powerpc*-linux.
9817 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9820 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9821 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9823 2006-02-03 Jason Merrill <jason@redhat.com>
9826 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9829 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9830 on the return slot if it's an NRV.
9832 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9834 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9835 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9836 rewrite_use): Do not handle USE_OUTER.
9837 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9838 add_iv_outer_candidates, may_replace_final_value,
9839 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9840 (find_interesting_uses_op): Functionality of
9841 find_interesting_uses_outer_or_nonlin moved here.
9842 (find_interesting_uses_outside): Use find_interesting_uses_op.
9844 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9847 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9849 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9850 Ulrich Weigand <uweigand@de.ibm.com>
9853 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9854 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9855 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9856 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9858 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9859 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9860 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9861 Define secondary reloads for TFmode moves.
9862 (constant_modes): Add TFmode.
9863 (NR_C_MODES): Set to 8.
9864 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9866 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9867 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9868 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9869 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9870 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9871 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9872 (FPR mode macro): Add TFmode.
9873 (DSF mode macro): New.
9874 (<de>, <dee> mode attributes): Removed.
9875 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9876 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9877 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9878 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9879 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9880 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9881 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9882 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9883 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9884 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9885 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9886 "*negabs<mode>2", "sqrt<mode>2"):
9887 Changed <de> to <xde>. R constraint replaced by <Rf>.
9888 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9890 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9891 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9892 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9894 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9895 "extenddftf2", "extendsftf2"): New expanders.
9896 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9897 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9898 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9899 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9901 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9902 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9903 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9904 __floatditf): Add a GCC_4.1.0 symbol version tag.
9905 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9908 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9911 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9912 Use targetm.binds_local_p instead of TREE_PUBLIC.
9914 2006-02-02 Roger Sayle <roger@eyesopen.com>
9916 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9917 on INTEGER_TYPEs to indicate that it denotes a character type.
9918 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9919 signed_char_type_node, unsigned_char_type_node and char_type_node.
9920 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9921 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9922 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9924 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9925 Daniel Berlin <dberlin@dberlin.org>
9927 * tree-tailcall.c (arg_needs_copy_p): New function.
9928 (eliminate_tail_call): Use arg_needs_copy_p.
9929 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9930 (add_virtual_phis): New function.
9932 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9934 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9935 #ignore instead of #scratch for %g7 .register directive.
9937 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9939 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9942 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9944 * flow.c (calculate_global_regs_live): Assert that there aren't any
9947 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9949 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9951 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9952 bsi_after_labels iterator.
9953 * tree-if-conv.c (find_phi_replacement_condition,
9954 replace_phi_with_cond_modify_expr): Likewise.
9955 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9956 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9958 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9960 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9962 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9965 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9966 array after growing it.
9968 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9971 * fold-const.c (fold_checksum_tree): Change type of buf.
9973 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9975 * reload.c (push_secondary_reload): Initialize t_icode.
9977 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9979 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9980 -msoft-float -mlong-double-128 only issue a warning, but don't
9981 swich to DFmode long double.
9983 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9985 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9986 has a constant equivalent, iterate over equivalents for arg0,
9987 calling simplify_relational_operation and if there's a result
9988 cheaper than X, apply fold_rtx and return the result.
9990 2006-02-01 Jan Hubicka <jh@suse.cz>
9992 * opts.c (no_unit_at_a_time_default): New global variable.
9993 (decode_options): Use it.
9994 * opts.h (no_unit_at_a_time_default): Declare.
9996 2006-02-01 Paul Brook <paul@codesourcery.com>
9998 * function.c (assign_parm_setup_reg): Use function argument promotion
10000 * expr.c (expand_expr_real_1): Use function argument promotion rules
10003 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10005 * gcc.c (process_command): Change j to 'unsigned int'.
10007 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10009 PR middle-end/26001
10010 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10011 Use the corrected index for the character
10012 out of the string constant.
10014 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10016 * mode-switching.c (optimize_mode_switching): Fix size
10017 allocated for bb_info[n_entities].
10019 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10021 * gcc.c (main): Correct type that is allocated for
10022 explicit_link_files.
10024 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10026 * config/s390/s390.c (init_alignment_context): Set
10027 ALIAS_SET_MEMORY_BARRIER on the MEM.
10028 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10030 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10032 PR middle-end/25933
10033 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10035 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10038 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10040 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10041 * regrename.c: Ditto.
10042 * tree-ssa-loop-im.c: Ditto.
10043 * tree-dump.c: Ditto.
10044 * tree-complex.c: Ditto.
10045 * genrecog.c: Ditto.
10046 * tree-ssa-threadupdate.c: Ditto.
10048 * java/class.c: Ditto.
10049 * java/jcf-parse.c: Ditto.
10050 * java/resource.c: Ditto.
10051 * java/except.c: Ditto.
10052 * java/jvspec.c: Ditto.
10053 * java/jcf-write.c: Ditto.
10054 * java/jcf-path.c: Ditto.
10055 * java/gjavah.c: Ditto.
10056 * java/zextract.c: Ditto.
10057 * java/jcf-io.c: Ditto.
10058 * java/jcf.h: Ditto.
10059 * java/buffer.c: Ditto.
10060 * java/lang.c: Ditto.
10061 * java/parse-scan.y: Ditto.
10062 * java/lex.c: Ditto.
10063 * java/lex.h: Ditto.
10064 * cfgloopmanip.c: Ditto.
10065 * postreload-gcse.c: Ditto.
10066 * tree-ssa-loop-manip.c: Ditto.
10067 * postreload.c: Ditto.
10068 * tree-ssa-loop-ch.c: Ditto.
10071 * cppspec.c: Ditto.
10072 * diagnostic.c: Ditto.
10074 * genoutput.c: Ditto.
10076 * cfghooks.c: Ditto.
10077 * cfgloopanal.c: Ditto.
10078 * objc/objc-act.c: Ditto.
10080 * genextract.c: Ditto.
10081 * genautomata.c: Ditto.
10082 * pretty-print.c: Ditto.
10083 * genemit.c: Ditto.
10084 * cgraphunit.c: Ditto.
10086 * df-scan.c: Ditto.
10087 * haifa-sched.c: Ditto.
10088 * dominance.c: Ditto.
10090 * tree-ssa-loop-ivopts.c: Ditto.
10091 * df-core.c: Ditto.
10092 * mode-switching.c: Ditto.
10093 * modulo-sched.c: Ditto.
10095 * ipa-pure-const.c: Ditto.
10097 * fix-header.c: Ditto.
10099 * tree-stdarg.c: Ditto.
10100 * ipa-utils.c: Ditto.
10101 * loop-init.c: Ditto.
10102 * ipa-inline.c: Ditto.
10103 * cfganal.c: Ditto.
10105 * alloc-pool.c: Ditto.
10106 * dwarf2out.c: Ditto.
10108 * genattrtab.c: Ditto.
10109 * tree-ssa-loop-ivcanon.c: Ditto.
10110 * predict.c: Ditto.
10111 * timevar.c: Ditto.
10113 * fortran/gfortranspec.c: Ditto.
10114 * regmove.c: Ditto.
10115 * local-alloc.c: Ditto.
10116 * langhooks.c: Ditto.
10117 * function.c: Ditto.
10118 * tree-vectorizer.c: Ditto.
10120 * ipa-type-escape.c: Ditto.
10122 * tree-if-conv.c: Ditto.
10123 * profile.c: Ditto.
10125 * tree-data-ref.c: Ditto.
10126 * loop-unroll.c: Ditto.
10127 * treelang/treetree.c: Ditto.
10129 * bt-load.c: Ditto.
10130 * ggc-common.c: Ditto.
10132 * coverage.c: Ditto.
10134 * tree-cfgcleanup.c: Ditto.
10135 * tree-ssa-pre.c: Ditto.
10136 * cfgcleanup.c: Ditto.
10137 * loop-invariant.c: Ditto.
10138 * loop-iv.c: Ditto.
10139 * ipa-prop.c: Ditto.
10140 * print-tree.c: Ditto.
10141 * conflict.c: Ditto.
10142 * ggc-page.c: Ditto.
10143 * sched-deps.c: Ditto.
10144 * regclass.c: Ditto.
10145 * tree-object-size.c: Ditto.
10146 * combine.c: Ditto.
10147 * bb-reorder.c: Ditto.
10148 * resource.c: Ditto.
10149 * var-tracking.c: Ditto.
10150 * cfgloop.c: Ditto.
10151 * df-problems.c: Ditto.
10152 * reg-stack.c: Ditto.
10154 * gccspec.c: Ditto.
10155 * sched-rgn.c: Ditto.
10156 * tree-ssa-structalias.c: Ditto.
10157 * tree-ssa-reassoc.c: Ditto.
10158 * config/darwin-c.c: Ditto.
10159 * config/darwin.c: Ditto.
10160 * config/arm/arm.c: Ditto.
10162 * collect2.c: Ditto.
10163 * reload1.c: Ditto.
10165 2006-01-31 Nicolas Pitre <nico@cam.org>
10167 * arm.md (smaxsi3): Make aware of smax_m1.
10170 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10172 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10174 2006-01-31 Richard Guenther <rguenther@suse.de>
10176 * doc/invoke.texi (-msselibm): Document.
10177 * target.h (expand_library_builtin): New target hook.
10178 * builtins.c (expand_builtin): Use expand_library_builtin.
10179 (default_expand_library_builtin): New function.
10180 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10181 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10182 (link_gcc_math_spec): Declare.
10183 (static_specs): Add link_gcc_math_spec.
10184 * expr.h (default_expand_library_builtin): Declare.
10185 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10186 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10187 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10188 * config/i386/i386.opt (msselibm): New target option.
10189 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10190 (ix86_init_sse_abi_builtins): New function.
10191 (ix86_expand_library_builtin): Likewise.
10192 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10193 (override_options): Handle error conditions wrt -msselibm.
10194 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10195 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10196 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10199 2006-01-31 Richard Guenther <rguenther@suse.de>
10200 Paolo Bonzini <bonzini@gnu.org>
10202 * doc/install.texi (--disable-libgcc-math): Document.
10204 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10206 * expr.h (expand_normal): new inline function.
10207 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10208 * dojump.c: use it.
10209 * dwarf2out.c: use it.
10212 * expmed.c: use it.
10213 * except.c: use it.
10214 * config/sparc/sparc.c: use it.
10215 * config/i386/i386.c: use it.
10216 * config/rs6000/rs6000.c: use it.
10217 * config/arm/arm.c: use it.
10218 * config/mips/mips.c: use it.
10219 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10221 2006-01-30 Roger Sayle <roger@eyesopen.com>
10223 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10224 argv to the appropriate type.
10226 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10228 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10231 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10234 * config/s390/s390.c (struct machine_function): New flag
10235 decomposed_literal_pool_addresses_ok_p.
10236 (s390_reorg): Set it before final stage of literal pool transforms.
10237 (s390_decompose_address): Only accept displacements of the form
10238 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10240 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10242 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10243 the comparison routine return.
10245 2006-01-30 Michael Matz <matz@suse.de>
10247 * global.c (find_reg): Only evict for global regs.
10248 Take n_refs into account and dump more info.
10250 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10253 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10254 (pragma_trap, pragma_nosave_low_regs): Likewise.
10255 (current_function_anonymous_args): Likewise.
10256 (sh_deferred_function_attributes): New variable.
10257 (sh_deferred_function_attributes_tail): Likewise.
10258 (print_operand): For '@', look up trap_exit attribute.
10259 (calc_live_regs): Look up trapa_handler attribute. For trapa
10260 handlers, save/restore fpscr, but don't do any other
10261 interrupt-specific saves.
10262 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10263 Fix check for partially saved registers to check for SHmedia.
10264 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10265 (sh_output_function_epilogue): Don't clear any of the removed
10267 (sh_insert_attributes): Don't check pragma_interrupt.
10268 Insert deferred attributes. Check that interrupt attribute is
10269 present for other attributes that require its presence.
10270 (sh_attribute_table): Add new attributes trapa_handler and
10272 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10273 Don't check for pragma_interrupt. Don't store argument.
10274 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10275 (sh_deferred_function_attributes): Declare.
10276 (sh_deferred_function_attributes_tail): Likewise.
10277 * sh.md (sp_switch_1): Add operand. Change generator caller.
10278 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10279 (*return_i): Don't use when trap_exit attribute is in effect.
10280 (*return_trapa): New insn pattern.
10281 * sh-c.c: New file.
10282 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10283 setting c_target_objs and cxx_target_objs.
10284 * t-sh: Add rule for sh-c.o.
10286 2006-01-30 Richard Guenther <rguenther@suse.de>
10289 * gimplify.c (gimplify_target_expr): Handle easy cases
10290 without creating a temporary.
10292 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10294 * vec.h (safe_grow): Remove duplicated line.
10296 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10299 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10300 (expand_omp): ... here.
10301 (expand_omp_parallel): Only remove barriers for combined
10302 parallel+workshare constructs.
10304 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10308 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10309 * tree.c (build_qualified_type): Chain the new type to the original
10310 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10311 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10312 (build_pointer_type_for_mode): Only return unqualified types.
10313 (build_reference_type_for_mode): Likewise.
10315 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10317 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10318 * Makefile.in (CXX_COMPAT_WARN): Define.
10319 * configure: Regenerate.
10321 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10324 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10327 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10329 * toplev.c: Fix thinko.
10331 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10332 Marcin Dalecki <martin@dalecki.de>
10334 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10335 (push_srcloc): Use XNEW.
10336 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10338 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10340 * df-core.c (df_set_blocks): Deleted all variable.
10342 2006-01-28 Ian Lance Taylor <ian@airs.com>
10344 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10345 cgraph_output_pending_asms.
10347 2006-01-28 Zack Weinberg <zackw@panix.com>
10349 * c.opt: Add -W(no-)overlength-strings.
10350 * doc/invoke.texi: Document it.
10351 * c-opts.c (c_common_handle_option): -pedantic implies
10352 -Woverlength-strings, if not explicitly disabled already.
10353 (c_common_post_options): -Woverlength-strings defaults to off, and
10354 is always off for C++.
10355 * c-common.c (fix_string_type): Issue warning about strings longer
10356 than is portable only if warn_overlength_strings. Rearrange code
10357 a little for clarity.
10358 * configure.in: Check for -Wno-overlength-strings as well before
10359 enabling -pedantic in stage 1.
10360 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10361 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10363 * genconditions.c (write_header, write_one_condition)
10364 (write_conditions, write_writer): Consolidate very long strings
10365 that were broken up to fit in C89 portable limit. Don't use
10366 printf when fputs will do.
10368 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10370 * combine.c (simplify_comparison <AND>): Check
10371 TRULY_NOOP_TRUNCATION before start using a subreg.
10373 * config/mips/mips.md (*branch_zero<mode>,
10374 *branch_zero<mode>_inverted, *branch_equality<mode>,
10375 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10376 Remove mode check from comparisons.
10378 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10380 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10382 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10384 * expmed.c (const_mult_add_overflow_p): Remove.
10385 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10387 * recog.c (validate_replace_rtx_subexp): Remove.
10388 * recog.h: Remove the prototype for
10389 validate_replace_rtx_subexp.
10391 * integrate.h: Remove the prototype for
10392 copy_decl_for_inlining.
10393 * rtl.h: Remove the prototype for mark_constant_function.
10394 * tree-vectorizer.h: Remove the prototype for
10395 vect_strip_conversion.
10397 * modulo-sched.c (create_partial_schedule,
10398 free_partial_schedule, reset_partial_schedule): Make them
10401 * hooks.c (hook_bool_rtx_int_false): Remove.
10402 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10404 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10406 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10407 and -mlong-double-128 are incompatible.
10408 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10409 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10410 (TARGET_LIBGCC2_CFLAGS): Define.
10411 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10412 (TARGET_LIBGCC2_CFLAGS): Same.
10413 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10415 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10418 * c-typeck.c (build_binary_op): Perform implicit casts of
10419 operands before shortening them.
10421 * cfgloopmanip.c (split_loop_bb): Remove.
10422 * cfgloop.h: Remove the prototype for split_loop_bb.
10424 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10425 * cfgloop.h: Remove the prototype for
10426 flow_loop_outside_edge_p.
10428 * emit-rtl.c (init_virtual_regs): Make it static.
10429 * function.h: Remove the prototype for init_virtual_regs.
10431 * recog.c (peephole2_optimize): Make it static.
10432 * recog.h: Remove the prototype for peephole2_optimize.
10434 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10436 * df-scan.c (df_record_entry_block_defs): Check if
10437 INCOMING_RETURN_ADDR_RTX is defined.
10439 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10440 Kenneth Zadeck <zadeck@naturalbridge.com>
10442 PR rtl-optimization/24762
10443 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10444 * targhooks.c (hook_void_bitmap): New hook prototype.
10445 * targhoohs.h (hook_void_bitmap): Ditto.
10446 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10447 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10448 * target.h (live_on_entry): New function pointer.
10449 * df-scan.c (df_all_hard_regs): Removed.
10450 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10451 (df_scan_free_internal): Added df->entry_block_defs.
10452 (df_scan_alloc): Ditto.
10453 (df_scan_dump): Ditto.
10454 (df_uses_record): Plumbed flag field properly thru calls.
10455 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10456 This part fixes PR24762.
10457 (df_bb_refs_record): Added code to make the frame and arg
10458 pointers live in EH blocks.
10459 (df_refs_record): Added call to df_record_entry_block_defs.
10460 (df_record_entry_block_defs): New function.
10461 * df-core.c: Added comments to describe new artifical defs.
10462 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10463 (entry_block_defs): New field in struct df.
10464 (df_all_hard_regs): Deleted.
10465 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10466 * df-problems.c (df_ru_bb_local_compute_process_def):
10467 Added code to handle artifical defs in the entry to a function.
10468 (df_ru_bb_local_compute): Ditto.
10469 (df_rd_bb_local_compute_process_def): Ditto.
10470 (df_rd_bb_local_compute): Ditto.
10471 (df_lr_bb_local_compute): Ditto.
10472 (df_ur_bb_local_compute): Ditto.
10473 (df_urec_bb_local_compute): Ditto.
10474 (df_chain_create_bb): Ditto.
10475 (df_ur_local_finalize): Removed entry.
10476 (df_urec_init): Ditto.
10477 (df_urec_local_finalize): Ditto.
10478 (df_ri_bb_compute): Added detection of last use of pseudos.
10479 * Makefile.in (df-scan.o): Updated dependencies.
10480 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10481 * config/mips/mips.c (mips_set_live_on_entry): Added.
10482 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10484 * dce.c (marked_insn_p): Added code to handle artifical defs.
10486 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10488 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10490 (_mm_cvtsi128_si64): Likewise.
10491 (_mm_cvtsd_si64): Likewise.
10492 (_mm_cvttsd_si64): Likewise.
10493 (_mm_cvtsi64_sd): Likewise.
10494 (_mm_cvtsi64_si128): Likewise.
10495 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10496 (_mm_cvtsi64_m64): Likewise.
10497 (_m_to_int64): Likewise.
10498 (_mm_cvtm64_si64): Likewise.
10499 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10500 (_mm_cvttss_si64): Likewise.
10501 (_mm_cvtsi64_ss): Likewise.
10502 (_mm_cvtss_f32): Likewise.
10504 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10506 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10507 for pragma redefine_extname.
10509 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10512 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10513 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10514 -mno-minimal-toc to previous content.
10515 (bispecs): Remove goal.
10516 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10517 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10518 compatibility aliases on powerpc-*-*gnu*.
10519 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10520 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10521 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10522 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10523 (ldblspecs): New goal.
10524 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10525 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10527 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10528 L_sf_to_tf or L_df_to_tf is defined.
10530 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10531 Alan Modra <amodra@bigpond.net.au>
10534 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10535 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10536 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10537 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10538 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10539 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10540 (rs6000_override_options): Initialize rs6000_ieeequad.
10541 Initialize TFmode format to ibm_extended_format if not
10543 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10545 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10546 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10547 (function_arg_advance): IBM long double passed in two FPRs, not
10549 (function_arg): IBM long double passed in FPRs.
10550 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10551 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10552 Only multireg GPR aligned.
10553 (rs6000_init_libfuncs): Enable IBM long double functions if not
10555 (rs6000_generate_compare): Use IBM long double compare if not
10557 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10558 (TARGET_IEEEQUAD): Define.
10559 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10560 not TARGET_IEEEQUAD.
10561 * config/rs6000/rs6000.md: Enable TFmode patterns if
10563 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10564 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10565 and -mlong-double-128 are incompatible.
10566 * doc/invoke.texi (-mabi): Collect options together. Add
10567 ibmlongdouble and ieeelongdouble.
10569 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10571 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10573 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10574 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10575 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10576 * rtl.h (rtunion_def): Remove rt_ptr.
10578 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10579 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10580 * config/i386/winnt.c (i386_pe_mark_dllexport)
10581 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10583 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10585 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10587 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10591 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10592 pthread_key_delete. From John David Anglin. gthrw-ify
10593 pthread_getunique_np only if it it's not a macro. Delete
10595 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10596 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10597 __gthread_objc_condition_signal, __gthread_key_delete): Add
10598 "__attribute__ ((__unused__))" to unused arguments.
10599 (__gthread_recursive_mutex_init_function): Add missing return.
10600 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10601 gthr-posix95.h: Use macro-based approach for name redirection
10602 on targets missing weakref.
10604 2006-01-26 Zack Weinberg <zackw@panix.com>
10606 * genconditions.c (write_header): In generated code, #ifdef out
10607 all includes and fake declarations, except includes of bconfig.h
10608 and system.h, unless GCC_VERSION >= 3001. Do not include
10609 gensupport.h in any case.
10610 (write_conditions): Generate a definition of struct c_test. Add
10611 a comment to the generated #endif.
10612 (write_one_condition): Escape backslashes in string too.
10613 (write_writer): Generated code must escape backslashes and quote
10614 marks (but not newlines) in the strings it writes.
10615 * Makefile.in (build/gencondmd.o): Update dependencies.
10617 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10620 * Makefile.in (insn-automata.o): Add header file dependencies.
10621 * genautomata.c: Add includes.
10623 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10626 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10628 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10630 * configure.ac: Expect target tools paths to be passed from the toplevel
10631 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10633 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10635 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10638 * c.opt (Wpointer-sign): Init to -1.
10639 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10640 OPT_pedantic, to 0 otherwise.
10641 * doc/invoke.texi: Update.
10643 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10645 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10646 constants provided by 80387 instructions in the destination mode.
10648 2006-01-26 Richard Guenther <rguenther@suse.de>
10649 Andrew Pinski <pinskia@physics.uc.edu>
10652 partial PR tree-opt/17064
10653 * tree-ssa-structalias.c (intra_create_variable_infos):
10654 Create heap variables for incoming parameters if
10655 flag_argument_noalias > 1.
10656 (find_what_p_points_to): Look through default defs of
10659 2006-01-26 Jeff Law <law@redhat.com>
10662 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10663 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10664 within the VR_RANGE, use the VR_RANGE as the result, not the
10666 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10667 bounds for the type.
10669 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10671 * tree-ssa-alias.c (maybe_create_global_var): Change
10672 subvar walking to an assertion that we don't have subvar'd variables.
10674 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10677 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10678 Use a new variable, inner. PARM_DECLs are always non-weak.
10680 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10682 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10683 --disable-checking.
10685 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10687 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10689 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10691 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10692 (smax_insn, smin_insn, smax_0, smin_0): New.
10694 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10697 * config/cris/cris.c (cris_order_for_addsi3): New function.
10698 * config/cris/cris-protos.h: Prototype it.
10699 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10700 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10701 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10702 (split for "op.S1 [rx=rx+i],ry (swapped)")
10703 (split for "op(s|u).S1 [rx=rx+i],ry")
10704 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10705 Apply cris_order_for_addsi3 when generating addsi3 insns.
10707 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10709 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10710 (TREE_BLOCK): Add call to EXPR_CHECK.
10712 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10715 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10716 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10717 (dump_omp_clauses): ... here.
10718 (dump_generic_node): Handle OMP_CLAUSE.
10719 * tree.c (omp_clause_num_ops): New.
10720 (omp_clause_code_name): New.
10721 (tree_code_size): Handle OMP_CLAUSE.
10722 (tree_size): Likewise.
10723 (make_node): Document handling of OMP_CLAUSE.
10724 (tree_node_structure): Handle OMP_CLAUSE.
10725 (omp_clause_check_failed): New.
10726 (omp_clause_range_check_failed): New.
10727 (omp_clause_operand_check_failed): New.
10728 (build_omp_clause): New.
10729 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10730 * tree.h (enum omp_clause_code): Declare.
10731 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10732 (OMP_CLAUSE_RANGE_CHECK): Define.
10733 (OMP_CLAUSE_ELT_CHECK): Define.
10734 (omp_clause_check_failed): Declare.
10735 (omp_clause_operand_check_failed): Declare.
10736 (omp_clause_range_check_failed): Declare.
10737 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10738 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10739 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10740 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10741 (OMP_CLAUSE_IF_EXPR): Likewise.
10742 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10743 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10744 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10745 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10746 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10747 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10748 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10749 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10750 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10751 (OMP_CLAUSE_CODE): Define.
10752 (OMP_CLAUSE_SET_CODE): Define.
10753 (OMP_CLAUSE_CODE): Define.
10754 (OMP_CLAUSE_OPERAND): Define.
10755 (struct tree_omp_clause): Declare.
10756 (union tree_node): Add field 'omp_clause'.
10757 * treestruct.def (TS_OMP_CLAUSE): Define.
10758 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10759 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10760 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10761 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10762 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10763 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10764 (OMP_CLAUSE): Define.
10765 * print-tree.c (print_node): Handle OMP_CLAUSE.
10766 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10767 * c-typeck.c: Likewise.
10768 * gimplify.c: Likewise.
10769 * c-omp.c: Likewise.
10770 * tree-nested.c: Likewise.
10771 * tree-inline.c: Likewise.
10772 * c-parser.c: Likewise.
10773 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10776 2006-01-25 Roger Sayle <roger@eyesopen.com>
10778 PR rtl-optimization/25703
10779 * combine.c (try_combine): Handle zero_extract and strict_low_part
10780 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10782 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10784 * global.c: Fix comment typos.
10786 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10789 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10790 Use output_addr_const instead of assemble_name.
10792 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10794 * Makefile.in (sched-vis.o): Update dependencies.
10795 * haifa-sched.c (sched_finish): Clear current_sched_info.
10796 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10797 (dump_flow_info): Call it.
10798 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10800 * basic-block.h (dump_bb_info): Declare.
10801 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10802 option, and apply options only for dump files whose TDF_RTL,
10803 TDF_TREE, or TDF_IPA bits match.
10804 * rtl.h: Declare new functions exported from sched-vis.c.
10805 * sched-vis.c: Enable also if scheduling is not used.
10806 (print_value): Print the mode of registers if not inside scheduling.
10807 (print_insn): Make it work outside the scheduler. Beautify the output
10809 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10811 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10813 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10814 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10815 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10816 depending on the value of CONSTANT_POOL_ADDRESS_P.
10817 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10819 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10820 rather than SYMBOL_REF_DECL.
10821 (rtx_constant_pool): Remove const_rtx_sym_htab.
10822 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10823 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10824 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10825 Remove handling of const_rtx_sym_htab.
10826 (find_pool_constant): Delete.
10827 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10828 rather than find_pool_constant.
10829 (get_pool_constant_for_function): Delete.
10830 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10831 find_pool_constant.
10832 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10833 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10834 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10835 (SYMBOL_REF_CONSTANT): New macro.
10836 (get_pool_constant_for_function): Delete.
10837 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10838 rather than SYMBOL_REF_DECL.
10839 (i386_pe_mark_dllimport): Likewise.
10840 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10841 rather than SYMBOL_REF_DECL.
10842 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10843 (machopic_indirect_call_target): Likewise.
10845 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10847 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10849 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10851 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10853 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10855 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10857 2006-01-24 David Daney <ddaney@avtrex.com>
10860 * configure.ac (enable_tls): New enable option.
10861 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10862 * configure: Regenerate.
10863 * doc/install.texi (--enable-tls): Document new option.
10864 (--disable-tls): Ditto.
10866 2006-01-24 Richard Henderson <rth@redehat.com>
10868 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10869 * alias.c (true_dependence): Respect it.
10870 (canon_true_dependence, write_dependence_p): Likewise.
10871 * builtins.c (get_builtin_sync_mem): Set it.
10873 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10875 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10878 2006-01-24 DJ Delorie <dj@redhat.com>
10880 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10881 for storing constants in single-bit bitfields.
10883 2006-01-25 Ben Elliston <bje@au.ibm.com>
10885 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10887 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10890 * tree-ssa-pre.c (phi_translate): Return NULL
10891 for AGGREGATE_TYPE's.
10893 2006-01-24 Zack Weinberg <zackw@panix.com>
10895 * genautomata.c (process_state_for_insn_equiv_partition):
10896 Use xcalloc for insn_arcs_array.
10897 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10898 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10900 2006-01-24 Richard Henderson <rth@redhat.com>
10902 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10903 update all callers.
10905 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10907 PR rtl-optimization/25890
10908 PR rtl-optimization/25905
10909 * combine.c (expand_compound_operation, expand_field_assignment):
10910 Fail if the bitfield's final position is out of bounds.
10912 2006-01-24 Ian Lance Taylor <ian@airs.com>
10914 PR middle-end/25930
10915 * cgraphunit.c (cgraph_output_in_order): Don't clear
10916 cgraph_asm_nodes until after asm strings have been output.
10918 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10920 * fix-header.c (read_scan_file): Add new parameter imultilib when
10921 calling register_include_chains.
10923 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10925 * omp-low.c: Update documentation.
10927 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10928 Daniel Berlin <dberlin@dberlin.org>
10932 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10933 return from the function.
10935 2006-01-22 Zack Weinberg <zackw@panix.com>
10937 * rtl.def (match_code): Add second argument.
10938 * genpreds.c (write_extract_subexp): New function.
10939 (write_match_code): Add path argument. Use write_extract_subexp.
10940 (write_predicate_expr): Pass path to write_match_code.
10941 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10942 not perform a mode test.
10943 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10944 a subexpression does not constrain the top-level code set.
10945 * read-rtl.c (read_rtx_variadic): New function.
10946 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10947 * doc/md.texi: Document new notation.
10948 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10949 (cmpsi_operand): ... here, using new notation.
10951 2006-01-22 Zack Weinberg <zackw@panix.com>
10953 * varray.c: Remove GENERATOR_FILE #ifdefs.
10955 2006-01-22 Zack Weinberg <zackw@panix.com>
10957 * genautomata.c (output_reserved_units_table): Emit nothing if
10958 description->query_units_num is zero. Remove extra blank line.
10959 (output_cpu_unit_reservation_p): Short circuit
10960 if description->query_units_num is zero.
10962 2006-01-22 Zack Weinberg <zackw@panix.com>
10964 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10965 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10966 nor any of the random handful of variables that used to be necessary
10967 when this program was linked with rtlanal.o. Prune set of forward
10968 function declarations.
10969 (struct attr_desc): Remove static_p field.
10970 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10971 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10972 (attr_string): Do not read the character one past the length of
10974 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10975 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10976 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10977 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10978 (make_automaton_attrs): New.
10979 (main): Do not call into genautomata. Call local gen_bypass
10980 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10981 Remove special case for insn_alts.
10982 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10983 varray.h (leftover from previous change). Prune set of forward
10984 function declarations. Remove state_alts fields from all
10985 structures. Remove state_alts_table from struct automaton.
10986 Make everything except main static. Do not maintain num_dfa_decls.
10987 Do not maintain state_alts fields of various structures.
10988 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10989 (add_arc): Remove state_alts argument. All callers updated.
10990 (output_reserved_units_table): Emit #ifdef here...
10991 (output_tables): ...not here. Don't generate state_alts tables.
10992 (expand_automata): Don't generate attributes.
10993 (write_automata): Don't generate state_alts functions.
10994 (main): New function.
10995 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10996 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10997 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10998 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10999 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11000 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11001 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11002 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11004 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11005 * genattrtab.h: Delete file.
11006 * Makefile.in (OBJS-common): Add insn-automata.o.
11007 (insn-automata.o): New rule.
11008 (simple_generated_c): Add insn-automata.c.
11009 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11010 (genprogmd): Add automata.
11011 (build/genattrtab): Needs no extra objects nor libraries.
11012 (build/genautomata): Needs build/vec.o and -lm.
11014 2006-01-22 Zack Weinberg <zackw@panix.com>
11016 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11017 (output_dfa_max_issue_rate, locked_states_num): Delete.
11018 (struct automaton): Add locked_states field.
11019 (output_dead_lock_vect): Save number of locked states in
11020 automaton->locked_states. If it is zero, don't print anything.
11021 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11022 (output_internal_dead_lock_func): Only test the dead_lock_vect
11023 for automata that have locked states.
11024 (output_statistics): Always print the number of locked states for
11025 each automaton. Calculate total number of locked states here.
11026 (write_automata): Don't call output_dfa_max_issue_rate.
11027 * genattrtab.c: Define length_unit_log as a const variable.
11028 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11029 max_insn_queue_index const.
11030 * final.c (length_unit_log): Declare const.
11031 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11033 2006-01-22 Zack Weinberg <zackw@panix.com>
11035 * genautomata.c: Include vec.h, not varray.h.
11036 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11037 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11038 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11039 VEC_* macros operating on appropriately typed vectors, or to
11040 malloced arrays when the size is known in advance. Const-ify
11041 many char* variables and function arguments. No functional changes.
11042 * Makefile.in (build/varray.o): Delete rule.
11043 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11044 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11046 2006-01-22 Zack Weinberg <zackw@panix.com>
11048 * gensupport.c: Define get_insn_name and record_insn_name here.
11049 (read_md_rtx): Call record_insn_name as appropriate.
11050 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11051 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11052 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11054 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11055 (BUILD_VARRAY): Delete.
11056 (genprognormal): Rename genprogmd. Fold in all programs from
11057 genprognoprint; also attrtab.
11058 (build/genattrtab): Just mention genautomata.o and varray.o.
11059 Reorganize a bit, add comments to make the categories clearer.
11061 2006-01-22 Zack Weinberg <zackw@panix.com>
11063 * genconditions.c (condition_table, add_condition): Delete.
11064 (write_conditions): Don't emit n_insn_conditions nor
11065 insn_elision_unavailable. Issue the gcc version #ifdef here,
11066 inside the table, with no #else clause ...
11067 (write_header): ...not here.
11068 (write_writer): New function.
11069 (main): Don't initialize condition_table. Use add_c_test.
11071 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11072 files on the command line.
11073 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11074 Return -1 if there is no entry in the table, don't abort.
11075 (add_c_test, traverse_c_tests): New functions.
11076 * gensupport.h (insn_elision_unavailable, insn_conditions)
11077 (n_insn_conditions): Delete declarations.
11078 (add_c_test, traverse_c_tests): Declare.
11079 * read-rtl.c: Include gensupport.h.
11080 (read_conditions): New function.
11081 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11082 (read_rtx_1): If we get EOF when we were looking for an initial
11083 open paren, return 0. Call read_conditions when appropriate.
11084 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11085 dummy-conditions.o. Eliminate references to insn-conditions.o,
11086 or change them to build/gencondmd.o, as appropriate. Remove
11087 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11088 from $(simple_generated_c). For all files remaining in those
11089 two lists, add insn-conditions.md to the generator command line.
11090 Give insn-constants.h/s-constants their own rules. Add rules
11091 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11092 (build/read-rtl.o): Depend on gensupport.h.
11093 (genprognormal): Include preds.
11094 (genprogearly): Rename genprognoprint; only difference is now that
11095 they don't link with $(BUILD_PRINT).
11096 * dummy-conditions.c: Delete.
11098 2006-01-22 Zack Weinberg <zackw@panix.com>
11100 * genextract.c: Don't include insn-config.h. Do include vec.h.
11101 Declare vectors of int, char, and locstr.
11102 (locstr): New typedef.
11103 (struct extraction): Make all array fields into bare pointers.
11104 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11105 (insn_code_number): Delete.
11106 (accum_extract): New struct.
11107 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11108 (gen_insn): Take insn_code_number as an argument. Use an
11109 accum_extract structure instead of loading data directly into
11110 a struct extraction, and having to know how big it might get.
11111 (walk_rtx): Operate entirely on an accum_extract structure.
11112 (print_path): Avoid unnecessary use of printf.
11113 (print_header): New function, split out of main. Distinguish
11114 more carefully between an unrecognizable insn and an insn that
11115 has the code number of a define_expand.
11116 (main): Pass insn_code_number to gen_insn. Call print_header
11117 only after parsing. Avoid unnecessary use of printf.
11118 * Makefile.in (build/vec.o): New rule.
11119 (build/genextract): Depend on build/vec.o.
11120 (build/genextract.o): Don't depend on insn-config.h.
11122 2006-01-22 Zack Weinberg <zackw@panix.com>
11124 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11125 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11126 practical. Eliminate per-generator-program link rules.
11128 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11130 PR middle-end/24437
11131 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11132 with a call expr to ...
11133 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11135 2006-01-23 Richard Guenther <rguenther@suse.de>
11137 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11138 before make_edge with conditional EDGE_TRUE_VALUE.
11140 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11141 Jan Hubicka <jh@suse.cz>
11142 Richard Guenther <rguenther@suse.de>
11144 PR rtl-optimization/25654
11145 * cfgexpand.c (aggregate_contains_union_type): New function.
11146 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11147 for structure variables that contain a union type.
11149 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11151 * gengtype.c (new_structure): Return the structure.
11152 (create_option): Add an extra "next" argument.
11153 (create_field): New function.
11154 (adjust_field_rtx_def): Use create_option and create_field.
11155 Remove a now-unnecessary call to find_structure.
11156 (adjust_field_tree_def): Likewise.
11157 (note_yacc_type): Remove an unnecessary call to find_structure.
11158 * gengtype.h (new_structure): Return the structure.
11159 (create_option): Add an extra argument.
11160 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11161 (option): Adjust calls to create_option.
11163 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11165 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11167 2006-01-22 Paul Brook <paul@codesourcery.com>
11168 Peter Barada <peter@the-baradas.com>
11170 * config/m68k/m68k.md: Add Coldfire FPU support.
11171 Define FP mode macro and associated attributes.
11172 Use it for float mode patterns.
11173 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11174 (LIBCALL_VALUE): Use m68k_libcall_value.
11175 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11176 (m68k_function_value): Ditto.
11177 (emit_move_sequence): Ditto.
11178 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11179 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11180 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11181 (MULTILIB_EXCEPTIONS): Ditto.
11182 * config/m68k/m68k.opt: Add mcfv4e.
11183 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11184 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11185 (m68k_output_function_prologue): Save ColdFire FPU registers.
11186 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11187 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11188 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11189 ColdFire FPU registers.
11190 (m68k_libcall_value, m68k_function_value): New functions.
11191 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11192 (LIBCALL_VALUE): Use m68k_libcall_value.
11193 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11194 (MASK_COLDFIRE): Add MASK_CFV4E.
11195 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11196 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11197 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11198 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11199 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11200 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11201 * doc/invoke.tex: Document -mcfv4e on m68k.
11203 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11205 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11208 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11211 * c-opts.c (c_common_handle_option): Don't include
11212 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11213 * doc/invoke.texi (C++ Dialect Options): Document that
11214 -Wnon-virtual-dtor is no longer included in -Wall.
11216 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11218 * gcov.c (print_version), gcov-dump.c (print_version),
11219 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11222 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11224 * df-scan.c (problem_SCAN): Added NULL reset function.
11225 (df_scan_reset_blocks): Added code to call reset block function
11226 (df_bb_refs_delete) Fixed comment.
11227 (df_insn_refs_delete): Made tolerant of deleting non existent info
11228 for dataflow problems that need to be reset.
11229 * df-core.c (df_set_blocks): Ditto.
11230 * df.h (struct df_problem): Added reset_fun.
11231 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11232 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11233 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11234 functions to clear out all references to def-use or use-def chains.
11236 2006-01-21 Ben Elliston <bje@au.ibm.com>
11238 * varasm.c (assemble_real): Initialise data array.
11240 2006-01-20 Paul Brook <paul@codesourcery.com>
11242 Merge from csl-arm-branch.
11243 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11244 * config/arm/arm.md (movdi): Force operands[1] to a register
11245 if we have a non-register source.
11246 (*arm_movdi, *movdf_soft_insn): Require that one of the
11247 operands be a register.
11248 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11249 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11251 2006-01-20 DJ Delorie <dj@redhat.com>
11253 * varasm.c (initializer_constant_valid_p): Allow pointers
11254 initialized from integer constants of lesser precision.
11255 (output_constant): Allow non-int-sized pointer modes to be
11256 initialized from integer constants.
11258 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11261 * cppdefault.h (struct default_include): Add multilib flag.
11262 * cppdefault.c (cpp_include_defaults): Set it.
11263 * c.opt (-imultilib): New option.
11264 * c-opts.c (imultilib): New.
11265 (c_common_handle_option): Handle -imultilib.
11266 (c_common_post_options): Likewise.
11267 * c-incpath.c (add_standard_paths, register_include_chains):
11269 * c-incpath.h (register_include_chains): Add extra parameter.
11270 * gcc.c (do_spec_1): Generate -imultilib option.
11271 (The Specs Language): Update %I description.
11272 (process_command): Update copyright notice.
11273 * doc/cppopts.texi (-imultilib): Document.
11274 * doc/invoke.texi (-imultilib): Include in option summary.
11275 (%I): Update specs documentation.
11277 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11279 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11281 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11283 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11286 2006-01-20 Richard Guenther <rguenther@suse.de>
11287 Steven Bosscher <stevenb.gcc@gmail.com>
11289 PR rtl-optimization/24626
11290 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11291 EDGE_TRUE_VALUE if in RTL mode.
11294 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11295 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11297 2006-01-20 Dirk Mueller <dmueller@suse.com>
11300 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11301 instead of a special NOP marker.
11302 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11303 NOP marker handling.
11304 * c-common.h (empty_body_warning): Add forward declaration.
11305 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11306 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11308 2006-01-20 Paul Brook <paul@codesourcery.com>
11310 * Makefile.in (lang_checks): Keep going if mkdir fails.
11312 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11314 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11315 be able to clean out basic block when not necessary.
11316 (df_scan_free): Fixed to properly delete information if df is
11317 unused before calling df_finish.
11318 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11319 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11321 (df_bb_refs_delete): New function.
11322 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11323 * df-core.c (df_set_blocks): Added code to properly clean out
11324 unused blocks if they are not part of the blocks to consider.
11325 Added additional null check.
11326 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11327 be able to clean out basic block when not necessary
11328 * df.h (df_free_bb_function): Ditto.
11329 (df_bb_refs_delete): New function.
11330 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11331 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11332 basic block parameter to be able to clean out basic block when not
11334 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11335 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11336 Fixed to properly delete information if df is unused before
11339 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11341 PR rtl-optimization/25799
11342 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11343 Corrected confluence operator to remove bits from op2 before oring
11344 with op1 rather than removing bits from op1.
11345 (df_ru_transfer_function): Corrected test on wrong bitmap which
11346 caused infinite loop. Both of these problems were introduced in
11347 the dataflow rewrite.
11349 2006-01-19 DJ Delorie <dj@redhat.com>
11351 * reload1.c (find_reload_regs): Note the details of reload
11352 failures in the dump file.
11353 (spill_failure): Likewise.
11355 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11357 * loop-iv.c: Include df.h and hashtab.h.
11358 (enum iv_grd_result): New enum.
11359 (DF_REF_IV, DF_REF_IV_SET): New macros.
11360 (struct biv_entry): New.
11361 (df, bivs): New global variables.
11362 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11363 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11365 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11366 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11367 analyzed_for_bivness_p, record_biv): New functions.
11368 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11369 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11370 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11372 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11374 (iv_number_of_iterations): Use new interface to iv analysis.
11375 * loop-unroll.c: Do not include varray.h.
11376 (analyze_iv_to_split_insn): Use new interface to iv
11378 * loop-unswitch.c (may_unswitch_on): Ditto.
11379 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11381 (df_bb_modify): Realloc tables to the new index.
11382 (df_find_use): New function.
11383 * df.h (df_find_use): Declare.
11384 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11386 * cfgloop.h (struct rtx_iv): Remove analysed field.
11387 (iv_get_reaching_def): Removed.
11388 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11389 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11390 (loop-iv.o): Add df.h and hashtab.h dependency.
11391 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11393 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11396 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11398 (__floatundisf, __floatundidf): Likewise.
11399 * libgcc2.h (IS_IBM_EXTENDED): Define.
11401 2006-01-19 DJ Delorie <dj@redhat.com>
11403 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11405 2006-01-19 Paul Brook <paul@codesourcery.com>
11407 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11408 as nothrow when unwinding tables are disabled.
11410 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11413 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11414 of bit-field" when in system header.
11416 2006-01-19 DJ Delorie <dj@redhat.com>
11418 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11419 the 16 bit shift limit of the m16c.
11421 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11424 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11425 * config/i386/i386.c (output_set_got): Output the label if we have one
11426 for the TARGET_DEEP_BRANCH_PREDICTION case.
11428 2006-01-19 Jan Hubicka <jh@suse.cz>
11429 H.J. Lu <hongjiu.lu@intel.com>
11430 Evandro Menezes <evandro.menezes@amd.com>
11432 * invoke.texi (generic): Document
11434 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11435 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11436 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11437 (x86_use_incdec, x86_pad_returns): New variables
11438 (TARGET_CPU_DEFAULT_generic): New constant
11439 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11440 (enum processor_type): Add generic32 and generic64.
11441 * i386.md (cpu attribute): Add generic32/generic64
11442 (movhi splitter): Behave sanely when both partial_reg_dependency and
11443 partial_reg_stall are set.
11444 (K8 splitters): Enable for generic as well.
11445 * predicates.md (incdec_operand): Use TARGET_INCDEC
11446 (aligned_operand): Avoid memory mismatch stalls.
11447 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11448 * ppro.md: Enable for generic32
11449 * i386.c (generic64_cost, generic32_cost): New.
11450 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11451 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11452 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11453 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11454 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11455 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11456 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11457 x86_accumulate_outgoing_args, x86_prologue_using_move,
11458 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11459 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11460 Enable for generic.
11461 (x86_use_incdec, x86_pad_returns): New.
11462 (override_options): Add generic32 and generic64, translate "generic"
11463 to generic32/generic64 and "i686" to "generic32", refuse
11464 "generic32"/"generic64" as arch target.
11465 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11466 (ix86_reorg): Honor PAD_RETURNS.
11468 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11470 * tree-pretty-print.c (dump_generic_node): Handle
11471 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11472 * cgraph.c (cgraph_expand_queue): Rename from
11473 cgraph_analyze_queue. Update all users.
11474 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11475 cgraph_expand_queue.
11476 (cgraph_expand_all_functions): Likewise.
11477 (cgraph_finalize_pending_functions): Remove. Update callers.
11479 * tree.h (OMP_DIRECTIVE_P): Define.
11480 (OMP_PARALLEL_FN): Define.
11481 (OMP_PARALLEL_DATA_ARG): Define.
11482 (OMP_SECTIONS_SECTIONS): Define.
11483 * tree-pass.h (pass_expand_omp): Declare.
11484 * omp-low.c (struct omp_region): Declare.
11485 (struct omp_context): Remove fields 'parallel_type',
11486 'parallel_start_ix' and 'parallel_start_additional_args'.
11488 (struct omp_for_data): Rename from struct expand_omp_for_data.
11489 (omp_regions): New static variable.
11490 (root_omp_region): New static variable.
11491 (find_omp_clause): Make static.
11492 (is_in_combined_parallel_ctx): Remove.
11493 (is_combined_parallel): New.
11494 (extract_omp_for_data): Move earlier in the file.
11495 (workshare_safe_to_combine_p): New.
11496 (get_ws_args_for): New.
11497 (determine_parallel_type): Move earlier in the file.
11498 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11500 (omp_copy_decl): Likewise.
11501 (create_omp_child_function): Likewise.
11502 (lookup_omp_region): New.
11503 (dump_omp_region): New.
11504 (debug_omp_region): New.
11505 (debug_all_omp_regions): New.
11506 (new_omp_region): New.
11507 (scan_omp_parallel): If parallel_nesting_level > 1, the
11508 directive is nested within another parallel directive.
11509 Set OMP_PARALLEL_FN.
11510 (scan_omp_for): Do not try to handle combined parallel+for
11512 Remove FIXME comment.
11513 (scan_omp_nested): Remove.
11514 (scan_omp_1): Do not call scan_omp_nested when
11515 parallel_nesting_level is > 1.
11516 Do not change the DECL_CONTEXT of local variables found.
11517 (lookup_decl_in_outer_ctx): New.
11518 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11519 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11520 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11521 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11522 If CTX is nested, lookup VAR in the outer context when
11523 building copy assignment.
11524 (lower_send_clauses): Rename from expand_send_clauses.
11525 If CTX is nested, lookup VAR in the outer context when
11526 building copy assignments.
11527 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11528 If CTX is nested, lookup VAR in the outer context when
11529 building copy assignments.
11530 (expand_parallel_call): Rename from build_parallel_call.
11531 Handle combined parallel+workshare cases.
11532 Re-implement to emit code into the CFG.
11534 (expand_omp_parallel): Re-implement to emit code into the CFG.
11535 Call move_sese_region_to_fn to outline the sub-graph
11536 containing the parallel region.
11537 (expand_omp_for_1): Remove.
11538 (expand_omp_for_generic): Re-implement to emit code into the
11540 (expand_omp_for_static_nochunk): Likewise.
11541 (expand_omp_for_static_chunk): Likewise.
11542 (expand_omp_for): Likewise.
11543 (expand_omp_sections): Likewise.
11544 (remove_exit_barriers): New.
11545 (expand_omp_synch): New.
11547 (build_omp_regions_1): New.
11548 (build_omp_regions): New.
11549 (execute_expand_omp): New.
11550 (gate_expand_omp): New.
11551 (pass_expand_omp): Define.
11552 (lower_omp_sections): Rename from expand_omp_sections.
11553 Set OMP_SECTIONS_SECTIONS.
11554 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11555 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11556 (lower_omp_single): Rename from expand_omp_simple.
11557 (lower_omp_master): Rename from expand_omp_master.
11558 (lower_omp_ordered): Rename from expand_omp_ordered.
11559 (lower_omp_critical): Rename from expand_omp_critical.
11560 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11561 (lower_omp_for): Re-implement.
11562 (lower_omp_parallel): Re-implement.
11563 (lower_regimplify): Rename from expand_regimplify.
11564 (lower_omp_1): Rename from expand_omp_1.
11565 If there are syntax errors in the program, replace every
11566 OpenMP directive with NOP.
11567 Call lower_omp_* instead of expand_omp_*.
11568 (lower_omp): Rename from expand_omp.
11570 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11571 * tree-gimple.h (enum omp_parallel_type): Remove.
11572 (gimple_boolify): Declare extern.
11573 (find_omp_clause, determine_parallel_type): Remove.
11575 * gimple-low.c (lower_omp_directive): New.
11576 (lower_stmt): Call it.
11577 (record_vars_into): Move from ...
11578 (record_vars): ... here.
11579 Call record_vars_into with current_function_decl.
11581 * gimplify.c (struct gimplify_ctx): Remove fields
11582 combined_pre_p and combined_ctxp. Update users.
11583 (get_formal_tmp_var): Add documentation.
11584 (gimple_boolify): Make extern.
11585 (gimplify_expr_in_ctx): Remove. Update callers.
11586 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11587 will always be a BIND_EXPR.
11588 (gimplify_expr): Handle OMP_RETURN_EXPR.
11589 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11590 (OMP_PARALLEL): Add 3 operands.
11591 (OMP_SECTIONS): Add 1 operand.
11592 (OMP_RETURN_EXPR): Define.
11594 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11595 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11596 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11597 creating a circular free list.
11598 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11600 * tree-flow.h (move_sese_region_to_fn): Declare.
11601 (record_vars_into): Declare.
11602 * tree-cfg.c (make_omp_sections_edges): New.
11603 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11604 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11605 OMP_SECTIONS and OMP_SECTION.
11606 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11607 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11608 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11609 (gather_blocks_in_sese_region): New.
11610 (struct move_stmt_d): Declare.
11611 (move_stmt_r): New.
11612 (move_block_to_fn): New.
11613 (move_sese_region_to_fn): New.
11615 * passes.c (init_optimization_passes): Schedule
11616 pass_expand_omp after pass_init_datastructures.
11618 * tree-ssa-operands.c (get_expr_operands): Handle
11619 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11620 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11622 2006-01-19 Jeff Law <law@redhat.com>
11624 * tree-vrp.c (extract_range_from_assert): Refine the result range
11625 if the variable referenced by the ASSERT_EXPR has a range and
11626 either the tentative result range or the previous range is a
11629 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11631 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11633 2006-01-19 Jan Hubicka <jh@suse.cz>
11635 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11637 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11639 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11640 (expand_compound_operation, expand_field_assignment): Fail if the
11641 bit lengths of an extract operation are out of range.
11642 (make_extraction): Compute wanted_inner_mode based on the position
11643 and length of the extraction. Make it extraction_mode for non-constant
11644 positions, and do not modify offset in that case. When generating a
11645 new MEM, use a mode that can hold the extraction while keeping correct
11646 alignment. Remove code that supported MEMs wrapped by USEs.
11647 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11649 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11651 * config/s390/s390.md ("Y", "y"): New mode attribute.
11652 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11653 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11654 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11655 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11656 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11657 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11658 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11659 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11660 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11661 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11662 "addsi3", "subsi3"): Insn patterns removed.
11663 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11664 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11665 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11666 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11667 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11668 "*sub<mode>3_cconly2"): New insn patterns.
11669 ("addsi3", "subsi3"): New expanders.
11671 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11673 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11674 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11675 existing STMT_VINFO_VECTYPE if available.
11676 (vect_mark_relevant): Add special handling for stmts that are
11677 marked as STMT_VINFO_IN_PATTERN_P.
11678 (vect_analyze_loop): Call vect_pattern_recog.
11679 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11680 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11682 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11683 (vect_recog_func_ptr): New function-pointer type.
11684 * tree-vect-patterns.c: New file.
11685 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11686 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11687 (vect_pattern_recog_1): New functions.
11688 (vect_pattern_recog_funcs): New array of function pointers.
11690 * tree-vectorizer.h (ternary_op): New enum value.
11691 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11692 declaration. Revised documentation. Removed redundant dump prints.
11693 Removed redundant argument. Added support for reduction patterns.
11694 (vectorizable_reduction): Added support for reduction patterns.
11695 (vect_transform_stmt): Added support for patterns.
11697 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11698 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11699 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11700 (expand_widen_pattern_expr): New function.
11701 (init_optabs): Initialize new optabs udot_prod_optab,
11703 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11704 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11705 (expand_widen_pattern_expr): New function declaration.
11706 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11708 * tree-inline.c (estimate_num_insns_1): Added cases for new
11709 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11710 * tree-pretty-print.c (dump_generic_node): Likewise.
11711 (op_prio): Likewise.
11712 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11713 * tree-ssa-operands.c (get_expr_operands): Added case for
11715 * tree-vect-patterns.c (widened_name_p): New function.
11716 (vect_recog_dot_prod_pattern): Added function implementation.
11717 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11718 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11719 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11720 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11722 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11723 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11724 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11725 (init_optabs): Initialize new optabs widen_ssum_optab,
11727 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11728 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11729 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11730 use instead of type of def.
11731 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11732 function implementation.
11733 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11734 widen_ssumv8hi): New.
11736 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11739 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11742 * c-decl.c (add_flexible_array_elts_to_size): New function.
11743 (finish_decl): Use it.
11745 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11747 * diagnostic.h: Include options.h.
11748 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11749 dependancies for diagnostic.h.
11750 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11752 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11754 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11755 (ssa_ro_call_cache_valid): Ditto.
11756 * tree-ssa-alias.c (sort_tags_by_id): New function.
11757 (init_transitive_clobber_worklist): Ditto.
11758 (add_to_worklist): Ditto.
11759 (mark_aliases_call_clobbered): Ditto.
11760 (compute_tag_properties): Ditto.
11761 (set_initial_properties): Ditto.
11762 (compute_call_clobbered): Ditto.
11763 (compute_may_aliases): Call compute_call_clobbered and grouping.
11764 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11765 (compute_flow_insensitive_aliasing): Grouping now happens in our
11767 (setup_pointers_and_addressables): Remove clobbering related code.
11768 (add_may_alias): Ditto.
11769 (replace_may_alias): Ditto.
11770 (get_nmt_for): Ditto.
11771 (create_global_var):
11772 (is_escape_site): Return an escape_type enumeration.
11773 * tree-flow-inline.h (is_call_clobbered): Global var does not
11774 imply call clobbered.
11775 (mark_call_clobbered): Take a reason for marking this. Remove
11776 marking of globalness, and cache invalidation.
11777 (clear_call_clobbered): Remove cache invalidation code.
11778 * tree-dfa.c (dump_variable): If details is on, dump the reason
11780 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11782 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11783 (struct var_ann_d): Ditto.
11784 (enum escape_type): New.
11785 (mark_call_clobbered): Adjust prototype.
11786 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11787 are never call clobbered.
11788 Record reasons for escaping.
11789 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11790 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11791 (ssa_ro_call_cache_valid): Ditto.
11792 (clobbered_v_may_defs): Ditto.
11793 (clobbered_vuses): Ditto.
11794 (ro_call_vuses): Ditto.
11795 (clobber_stats): New.
11796 (init_ssa_operands): Zero out clobber stats.
11797 (fini_ssa_operands): Print out clobber stats.
11798 (get_call_expr_operands): Pass callee fndecl to
11799 add_call_read_ops).
11800 (add_call_clobber_ops): Remove use of cache.
11801 Add use of PURE_CONST information.
11802 (add_call_read_ops): Remove use of cache.
11803 Add use of static not_read information.
11805 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11807 Introduce TLS descriptors for i386 and x86_64.
11808 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11809 (TARGET_ANY_GNU_TLS): New macro.
11810 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11811 (struct machine_function): Add tls_descriptor_call_expanded_p.
11812 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11813 (ix86_current_function_calls_tls_descriptor): Likewise.
11814 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11815 (override_options): Introduce gnu2 tls dialect.
11816 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11818 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11820 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11821 (ix86_init_machine_status): Initialize new field.
11822 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11823 (ix86_tls_module_base): New.
11824 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11825 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11826 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11827 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11828 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11829 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11830 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11831 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11832 * config/i386/predicates.md (tls_modbase_operand): New.
11833 (tp_or_register_operand): New.
11835 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11837 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11838 (look_for_address_of): Ditto.
11839 (ipa_init): Walk the function decls.
11840 (static_execute): Don't set readonly on FUNCTION_DECL's.
11842 2006-01-18 Roger Sayle <roger@eyesopen.com>
11844 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11845 for shifts where the source and destination registers are different.
11847 2006-01-18 Paul Brook <paul@codesourcery.com>
11849 Merge from csl-arm-branch.
11850 2005-03-14 Julian Brown <julian@codesourcery.com>
11851 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11852 (aeabi_llsl): Likewise.
11853 (ashrdi3): Likewise.
11854 (aeabi_lasr): Likewise.
11855 (lshrdi3): Likewise.
11856 (aeabi_llsr): Likewise.
11857 2005-03-10 Julian Brown <julian@codesourcery.com>
11858 * config.gcc: Disable shared libgcc for SymbianOS.
11859 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11861 2006-01-18 DJ Delorie <dj@redhat.com>
11863 * c-pragma.c (handle_pragma_diagnostic): New.
11864 (init_pragma): Register it.
11865 * doc/extend.texi: Document it.
11867 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11868 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11869 (diagnostic_context): Add classify_diagnostic[].
11870 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11871 as errors if they're overridden to DK_WARNING.
11872 (diagnostic_initialize): Initialize classify_diagnostic[].
11873 (diagnostic_set_kind_override): New.
11874 (diagnostic_report_diagnostic): Check for kind changes.
11875 * opts.c (common_handle_option): Take lang_mask. Update callers.
11876 Handle OPT_Werror_.
11877 * common.opt (Werror=): New.
11878 * doc/invoke.texi: Document -Werror=*
11880 2006-01-18 Jeff Law <law@redhat.com>
11882 * tree-vrp.c (test_for_singularity): Correct test for new
11883 min limit. Use operand_equal_p rather than pointer equality
11884 for testing if new min/max values are equal.
11886 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11887 using range information until after propagation and folding.
11889 2006-01-18 Richard Henderson <rth@redhat.com>
11890 Aldy Hernandez <aldyh@redhat.com>
11891 Jakub Jelinek <jakub@redhat.com>
11892 Diego Novillo <dnovillo@redhat.com>
11894 * omp-low.c: New file.
11895 * c-omp.c: New file.
11897 2006-01-18 Richard Henderson <rth@redhat.com>
11898 Jakub Jelinek <jakub@redhat.com>
11899 Diego Novillo <dnovillo@redhat.com>
11901 * doc/invoke.texi: Document -fopenmp.
11902 * tree-dump.h (debug_function): Declare.
11903 * hooks.c (hook_bool_tree_bool_false): New function.
11904 (hook_tree_tree_null): Remove.
11905 (hook_tree_tree_tree_null): New.
11906 * hooks.h: Update to match.
11907 * tree-pretty-print.c (debug_tree_chain): New.
11908 (print_generic_expr): Handle TDF_CHAIN.
11909 (dump_generic_node): Handle BLOCK.
11910 Do not abort with incomplete SWITCH_EXPRs.
11911 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11912 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11913 print space after directive name.
11914 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11915 Handle OMP_MASTER and OMP_ORDERED.
11916 Handle printing of OMP_BODY just in one place, goto
11917 dump_omp_body in the rest of OMP_* nodes that have
11919 Don't handle clause nodes here. Update omp statements to
11920 use dump_omp_clauses.
11921 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11922 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11923 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11924 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11925 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11926 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11927 Adjust output for GOMP_PARALLEL.
11928 (dump_omp_clauses): New.
11929 (print_declaration): Dump DECL_VALUE_EXPR.
11930 (op_symbol_1): Split out of op_symbol.
11931 (dumping_stmts): Remove. Update all users.
11932 * cgraph.c (cgraph_analyze_queue): New.
11933 (cgraph_add_new_function): New.
11934 * cgraph.h (cgraph_analyze_queue): Declare.
11935 (cgraph_add_new_function): Declare.
11936 (cgraph_lower_function): Remove.
11937 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11938 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11939 and TYPE_P nodes in its default clause.
11940 (empty_body_p): New.
11941 (tree_range_check_failed): New.
11942 (build5_stat): New.
11943 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11944 OMP_CLAUSE_REDUCTION_MERGE,
11945 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11946 OMP_CLAUSE_PRIVATE_DEBUG,
11947 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11948 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11949 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11950 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11951 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11952 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11953 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11954 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11955 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11956 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11957 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11958 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11959 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11960 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11961 (TREE_RANGE_CHECK): New.
11962 (empty_body_p): Declare.
11963 (enum omp_clause_default_kind): New.
11964 (build_string_literal): Declare.
11965 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11966 (build5_stat, build5): Declare.
11967 * tree-pass.h (TDF_CHAIN): Define.
11968 * tree-pass.h (PROP_gimple_lomp): Define.
11969 (pass_lower_omp): Declare.
11970 * diagnostic.h (debug_tree_chain): Declare.
11971 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11973 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11974 * builtins.c (build_string_literal): Make extern.
11975 * gcc.c (include_spec_function): New.
11976 (static_spec_functions): Add it.
11977 (main): Move load of libgomp.spec ...
11978 (LINK_COMMAND_SPEC): ... here.
11979 (link_gomp_spec): New.
11980 (static_specs): Include it.
11981 (LINK_COMMAND_SPEC): Add link_gomp.
11982 (GOMP_SELF_SPECS): New.
11983 (driver_self_specs): Include it.
11984 (switch_matches): Don't mark inline.
11985 (main): Load libgomp.spec.
11986 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11987 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11988 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11989 * tree-gimple.h (enum omp_parallel): Declare.
11990 (determine_parallel_type): Declare.
11991 (omp_firstprivatize_variable): Declare.
11992 (omp_reduction_init): Declare.
11993 (diagnose_omp_structured_block_errors): Declare.
11994 (struct walk_stmt_info): Add want_return_expr.
11995 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11996 (find_omp_clause): Declare.
11997 (insert_field_into_struct): Declare.
11998 (struct walk_stmt_info): Move from tree-nested.c
11999 (walk_stmts): Declare.
12000 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12002 * cgraphunit.c (cgraph_lower_function): Make static.
12003 (cgraph_finalize_pending_functions): New.
12004 (cgraph_finalize_function): Call it.
12005 (cgraph_finalize_compilation_unit): Likewise.
12006 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12007 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12008 (BT_FN_UINT_UINT): New.
12009 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12010 DEF_FUNCTION_TYPE_VAR_4): Document.
12011 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12012 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12013 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12014 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12015 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12016 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12017 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12018 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12019 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12020 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12021 into separate files.
12022 (DEF_GOMP_BUILTIN): New.
12023 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12024 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12025 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12026 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12027 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12028 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12029 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12030 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12031 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12032 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12033 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12034 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12035 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12036 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12037 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12038 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12039 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12040 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12041 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12042 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12043 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12044 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12045 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12046 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12047 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12048 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12049 * sync-builtins.def: New file, moved from builtins.def.
12050 * omp-builtins.def: New file, moved from builtins.def.
12051 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12052 * gimple-low.c (lower_function_body): Clear data.
12053 (lower_stmt): Do not handle COMPOUND_EXPR.
12054 Remove call to print_node_brief.
12055 * c-tree.h (c_finish_omp_clauses): New prototype.
12056 (C_DECL_THREADPRIVATE_P): Define.
12057 (lookup_name_no_remap, c_omp_remap_private): Remove
12058 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12059 (check_for_loop_decls): Update decl.
12060 (lookup_name_no_remap, c_omp_remap_private): Declare.
12061 (build_indirect_ref, build_modify_expr, pushdecl,
12062 pushdecl_top_level): Move to c-common.h.
12063 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12064 before the switch, but just in the 2 places that need it.
12065 * c-decl.c (diagnose_mismatched_decls): Do not check for
12066 mismatched thread-local attributes when OLDDECL is marked
12067 threadprivate and NEWDECL has no thread-local attributes.
12068 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12069 (c_gimple_diagnostics_recursively): Rename from
12070 c_warn_unused_result_recursively. Invoke
12071 diagnose_omp_structured_block_errors.
12072 (check_for_loop_decls): Return a singular decl found.
12073 * langhooks.c (lhd_omp_predetermined_sharing): Return
12074 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12075 (lhd_omp_firstprivatize_type_sizes): New.
12076 (lhd_omp_assignment): New.
12077 (lhd_omp_predetermined_sharing): New.
12078 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12079 (struct lang_hooks_for_types): Add
12080 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12081 omp_predetermined_sharing, omp_disregard_value_expr,
12082 omp_private_debug_clause, omp_clause_default_ctor,
12083 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12084 (c_finish_omp_clauses): New.
12085 (c_finish_bc_stmt): Diagnose break within omp for.
12086 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12087 (build_unary_op): Return error_mark after reporting
12089 (build_modify_expr): Likewise.
12090 * gimplify.c: Include optabs.h and pointer-set.h.
12091 (enum gimplify_omp_var_data): Declare.
12092 (struct gimplify_omp_ctx): Declare.
12093 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12095 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12096 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12097 (splay_tree_compare_decl_uid): New.
12098 (new_omp_context): New.
12099 (delete_omp_context): New.
12100 (gimple_add_tmp_var): Call omp_add_variable.
12101 (gimplify_bind_expr): Likewise.
12102 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12103 true, disregard DECL_VALUE_EXPR on the decl if any.
12104 (gimplify_expr_in_ctx): New.
12105 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12106 omp_add_variable, omp_notice_variable, omp_is_private
12107 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12108 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12109 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12110 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12111 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12112 gimplify_omp_atomic): New.
12113 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12114 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12115 OMP_CRITICAL and OMP_ATOMIC.
12116 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12117 * c-pragma.h (enum pragma_kind): Add
12118 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12119 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12120 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12121 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12122 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12123 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12124 PRAGMA_OMP_THREADPRIVATE.
12125 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12126 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12127 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12128 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12129 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12130 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12131 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12132 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12133 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12134 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12135 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12136 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12137 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12139 (struct nesting_info): Add field_map,
12140 suppress_expansion, debug_var_chain.
12141 (create_nesting_tree): Initialize them.
12142 (lookup_field_for_decl): Use field_map.
12143 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12144 (convert_local_omp_clauses): New.
12145 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12146 (walk_body): Split out of walk_function.
12147 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12148 (convert_nonlocal_reference): Handle omp statements.
12149 (convert_local_reference): Likewise.
12150 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12151 (unnest_nesting_tree): New.
12152 (lower_nested_functions): Call it.
12153 (insert_field_into_struct): Make extern.
12154 (struct walk_stmt_info): Move to tree-gimple.h.
12155 (walk_stmts): Make extern.
12156 * omp-builtins.def: New file.
12157 * tree-iterator.c (expr_only): Clarify comment.
12158 * c-common.h (pushdecl_top_level, pushdecl,
12159 build_modify_expr, build_indirect_ref,
12160 c_finish_omp_master, c_finish_omp_critical,
12161 c_finish_omp_ordered, c_finish_omp_barrier,
12162 c_finish_omp_atomic, c_finish_omp_flush,
12163 c_finish_omp_for, c_split_parallel_clauses,
12164 omp_clause_default_kind, c_omp_sharing_predetermined,
12165 c_omp_remap_decl): Declare.
12166 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12167 (OBJS-common): Add omp-low.o.
12168 (c-omp.o, omp-low.o): Add.
12169 (gimplify.o): Add dependency on $(OPTABS_H).
12170 (GTFILES): Add omp-low.c.
12171 (gt-stringpool.h): Add.
12172 * tree-cfg.c (set_bb_for_stmt): Do not update the
12173 block-to-labels map if we are currently expanding to RTL.
12174 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12176 Handle IDENTIFIER_NODE.
12177 (tree_verify_flow_info): Do not ICE when emitting error
12178 messages about invalid labels.
12179 (dump_function_to_file): Reset CFUN before emitting the body
12181 (debug_function): New.
12182 * passes.c (init_optimization_passes): Schedule
12184 * langhooks-def.h (lhd_omp_predetermined_sharing,
12185 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12187 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12188 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12189 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12190 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12191 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12192 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12193 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12194 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12195 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12196 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12197 (LANG_HOOK_DECLS): Use them.
12199 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12200 Richard Henderson <rth@redhat.com>
12201 Jakub Jelinek <jakub@redhat.com>
12202 Diego Novillo <dnovillo@redhat.com>
12204 * c-parser.c (pragma_omp_clause): Define.
12205 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12206 (c_parser_compound_statement): Likewise.
12207 (c_parser_statement): Likewise.
12208 (c_parser_pragma): Handle omp pragmas.
12209 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12210 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12211 (c_parser_omp_clause_name, check_no_duplicate_clause,
12212 c_parser_omp_variable_list,
12213 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12214 c_parser_omp_clause_copyprivate,
12215 c_parser_omp_clause_default,
12216 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12217 c_parser_omp_clause_lastprivate,
12218 c_parser_omp_clause_nowait,
12219 c_parser_omp_clause_num_threads,
12220 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12221 c_parser_omp_clause_reduction,
12222 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12223 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12224 c_parser_omp_atomic, c_parser_omp_barrier,
12225 c_parser_omp_critical, c_parser_omp_flush,
12226 c_parser_omp_for_loop, c_parser_omp_for,
12227 c_parser_omp_master, c_parser_omp_ordered,
12228 c_parser_omp_sections_scope, c_parser_omp_sections,
12229 c_parser_omp_parallel, c_parser_omp_single,
12230 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12231 * c-pragma.c (init_pragma): Do omp pragma registration here.
12232 * c.opt (fopenmp): New flag.
12234 2006-01-18 Eric Christopher <echristo@apple.com>
12236 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12237 * config/darwin.h (GOMP_SELF_SPECS): Define.
12239 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12241 * rtl.h: Remove the prototype for reg_alloc.
12243 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12246 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12247 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12248 sjlj and dwarf2 exception handling.
12249 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12250 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12251 * pa/pa.c (function_value): Treat complex and vector types as
12253 (function_arg): Likewise. Only pass scalar floats in the floating
12254 point argument registers.
12255 * pa/t-slibgcc-dwarf-ver: New file.
12256 * pa/t-slibgcc-sjlj-ver: New file.
12257 * pa/t-slibgcc-elf-ver: Delete file.
12259 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12261 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12262 unlikely_test_section_p test.
12264 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12266 * mode-switching.c (optimize_mode_switching): Make it static.
12267 * basic-block.h: Remove the prototype for
12268 optimize_mode_switching.
12270 * modulo-sched.c (sms_schedule): Make it static.
12271 * rtl.h: Remove the prototype for sms_schedule.
12273 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12274 * rtl.h: Remove the prototype for gcse_after_reload_main.
12276 * reg-stack.c (reg_to_stack): Make it static.
12277 * rtl.h: Remove the prototype for reg_to_stack.
12279 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12281 * rtl.h: Remove the prototypes for regrename_optimize and
12282 copyprop_hardreg_forward.
12284 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12286 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12287 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12288 Test against the appropriate null constant for the mode.
12289 If 'fixup_overlap' is true, swap the operands if they overlap.
12290 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12291 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12292 alpha_split_tmode_pair and adjust for above change.
12293 * config/alpha/alpha.md (movtf_internal): Adjust call to
12294 alpha_split_tfmode_pair and rely on it to swap the operands.
12295 (movti_internal): New insn and post-reload splitter.
12296 (movti): New expander.
12298 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12300 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12303 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12305 * rtlanal.c (global_reg_mentioned_p_1,
12306 global_reg_mentioned_p): Remove.
12307 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12309 * flow.c (initialize_uninitialized_subregs): Make it static.
12310 * rtl.h: Remove the prototype for
12311 initialize_uninitialized_subregs.
12313 * function.c (instantiate_virtual_regs): Make it static.
12314 * function.h: Remove the prototype for
12315 instantiate_virtual_regs.
12317 * regmove.c (regmove_optimize, combine_stack_adjustments):
12319 * rtl.h: Remove the prototypes for regmove_optimize and
12320 combine_stack_adjustments.
12322 2006-01-17 Roger Sayle <roger@eyesopen.com>
12324 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12325 (size_cost): Encode costs in bytes so that a reg-reg addition is
12326 equivalent to COSTS_N_INSNS(1).
12327 (override_options): Use the size_cost.branch_cost as the default
12328 ix86_branch_cost when optimizing for size.
12330 2006-01-18 Ben Elliston <bje@au.ibm.com>
12332 * Makefile.in (D32PBIT_FUNCS): New.
12333 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12334 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12335 D64PBIT_FUNCS and D128PBIT_FUNCS.
12336 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12337 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12339 (decnumber_dep): Define.
12340 * doc/libgcc.texi (Decimal float library routines): New node.
12341 * config/dfp-bit.h, config/dfp-bit.c: New files.
12343 2006-01-18 Ben Elliston <bje@au.ibm.com>
12345 * expr.c (emit_move_change_mode): Always adjust addresses, not
12346 just during reload. Copy replacements only during reload.
12347 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12348 emit_move_via_integer.
12350 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12352 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12353 instead of $(srcdir) and ${srcdir}.
12355 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12358 PR middle-end/11135
12359 * arm.h (struct machine_function): Add pic_reg.
12360 * arm.c (arm_pic_register): Make unsigned.
12361 (arm_override_options): Only set arm_pic_register if
12362 TARGET_SINGLE_PIC_BASE.
12363 (use_return_insn): Only test for a pic register if it is fixed.
12364 (arm_compute_save_reg0_reg12_mask): Likewise.
12365 (thumb_compute_save_reg_mask): Likewise.
12366 (legitimate_pic_operand): Factor out some known invariants.
12367 (legitimize_pic_address): If we don't have a fixed pic register,
12368 then set up a pseudo in the function entry sequence. Handle the
12369 pic base being in a pseudo.
12370 (arm_load_pic_register): Handle the pic register being in a pseudo.
12371 (arm_expand_prologue): Only set up the pic register if it is fixed.
12372 (thumb_expand_prologue): Likewise.
12373 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12374 (pic_load_addr_based_insn): Likewise.
12375 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12378 2006-01-18 Ben Elliston <bje@au.ibm.com>
12380 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12381 decimal float modes for all floating point registers.
12383 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12384 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12386 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12389 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12390 even when the pointer is not NULL.
12392 2006-01-16 Ian Lance Taylor <ian@airs.com>
12394 * common.opt (ftoplevel-reorder): New option.
12395 * cgraph.c (cgraph_asm_nodes): New global variable.
12396 (cgraph_asm_last_node): New static variable.
12397 (cgraph_order): New global variable.
12398 (cgraph_create_node): Set new order field.
12399 (cgraph_varpool_node): Likewise.
12400 (decide_is_variable_needed): Return true if not
12401 flag_toplevel_reorder.
12402 (cgraph_add_asm_node): New function.
12403 * cgraph.h (struct cgraph_node): Add order field.
12404 (struct cgraph_varpool_node): Add order field.
12405 (struct cgraph_asm_node): Define.
12406 (cgraph_asm_nodes, cgraph_order): Declare.
12407 (cgraph_add_asm_node): Declare.
12408 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12410 (cgraph_varpool_assemble_pending_decls): Call it.
12411 (cgraph_output_pending_asms): New static function.
12412 (cgraph_finalize_compilation_unit): Call it.
12413 (struct cgraph_order_sort): Define.
12414 (cgraph_output_in_order): New static function.
12415 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12416 !flag_toplevel_reorder case.
12417 * c-parser.c: Include "cgraph.h".
12418 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12420 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12421 than -fno-unit-at-a-time.
12422 * doc/invoke.texi (Option Summary): Mention
12423 -fno-toplevel-reorder.
12424 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12425 -funit-at-a-time documentation.
12427 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12428 Kazu Hirata <kazu@codesourcery.com>
12430 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12432 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12434 * Makefile.in (FUNCTION_H): New. Use it instead of
12435 function.h throughout the file.
12436 * function.h: Include tree.h.
12438 2006-01-17 Ben Elliston <bje@au.ibm.com>
12440 * recog.c: Separate some functions with whitespace.
12442 2006-01-16 Richard Henderson <rth@redhat.com>
12444 Merge from gomp branch:
12445 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12446 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12447 and rename from struct inline_data. Rename callee* to dst*;
12448 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12449 transform_new_cfg, transform_return_to_modify, and
12450 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12452 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12453 (copy_decl_for_dup): Remove.
12454 * tree-inline.c (struct inline_data): Move to header.
12455 (insert_decl_map): Export.
12456 (remap_decl): Update for member name changes. Use copy_decl hook.
12457 Allow for replacement to be a non-decl. Remove dead code.
12458 (remap_type_1): Check for existing mapping.
12459 (remap_type): Export.
12460 (remap_decls): Update for member name changes.
12461 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12462 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12463 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12464 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12465 (tree_function_versioning, build_duplicate_type): Likewise.
12466 (copy_body_r): Likewise. Export.
12467 (copy_decl_for_dup): Split into ...
12468 (copy_decl_for_dup_finish, copy_decl_to_var,
12469 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12470 (replace_ref_tree, inlining_p): Remove.
12472 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12474 * ifcvt.c (if_convert): Make it static.
12475 * rtl.h: Remove the prototype for if_convert.
12477 * local-alloc.c (local_alloc): Make it static.
12478 * rtl.h: Remove the prototype for local_alloc.
12480 * loop.c (loop_optimize): Make it static.
12481 * cfgloop.h: Remove the prototype for loop_optimize.
12484 2006-01-16 DJ Delorie <dj@redhat.com>
12486 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12489 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12491 * pa.md: Disparage copies between general and floating-point registers
12492 in 32-bit move patterns.
12494 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12497 * Makefile.in (check-%): Depend on site.exp instead of
12498 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12501 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12503 * global.c (global_alloc): Make it static.
12504 * rtl.h: Remove the prototype for global_alloc.
12506 2006-01-16 Richard Guenther <rguenther@suse.de>
12508 * tree-ssa-alias.c (struct used_part): Add write_only field.
12509 (get_or_create_used_part_for): Initialize it to true.
12510 (create_overlap_variables_for): Don't create structure variables
12511 for structures that only are written to.
12512 (find_used_portions): Handle MODIFY_EXPR to track whether a
12513 structure is only written to.
12515 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12517 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12519 * basic-block.h: Remove the prototype for
12520 partition_hot_cold_basic_blocks.
12522 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12524 * cppspec.c (lang_specific_spec_functions): Remove.
12525 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12526 * gcc.h (lang_specific_spec_functions): Remove.
12527 * gccspec.c (lang_specific_spec_functions): Remove.
12529 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12531 * combine.c (record_value_for_reg): Invalidate registers
12533 (record_dead_and_set_regs_1): Likewise, by passing them to
12534 record_value_for_reg.
12535 (record_dead_and_set_regs): Invalidate stores made by a
12536 call. We do not combine across a call, but we still
12537 relied on equivalences.
12539 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12541 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12542 vrp_int_const_binop returning non-constant nodes.
12544 2006-01-16 Paul Brook <paul@codesourcery.com>
12546 * config/m68k/m68k.c (output_move_const_into_data_reg):
12547 Output correct mnemonic for mvz and mvs.
12549 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12551 * rtl-factoring.c: Add sequence abstraction algorithm.
12552 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12553 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12555 (block_has_preserve_label): New function.
12556 * common.opt: Register new pass.
12557 * Makefile.in: Ditto.
12559 * timevar.def: Ditto.
12560 * tree-pass.h: Ditto.
12561 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12562 * rtl.h (make_jump_insn_raw): Add forward decl.
12563 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12565 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12566 Roger Sayle <roger@eyesopen.com>
12568 * fold-const.c (fold_minmax): New static function.
12569 (fold_binary) <MIN_EXPR>: Call it.
12570 <MAX_EXPR>: Likewise.
12571 * stor-layout.c (place_field): Use DECL_SIZE consistently
12572 in the computation of the new record size.
12574 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12576 * cse.c (cse_condition_code_reg): Make it static.
12577 * rtl.h: Remove the prototype for cse_condition_code_reg.
12579 * combine.c (combine_instructions): Make it static.
12580 * rtl.h: Remove the prototype for combine_instructions.
12582 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12585 * tree.c (get_file_function_name_long): Concatenate the first global
12586 object name with a string derived from the input filename of the object
12589 2006-01-16 Ben Elliston <bje@au.ibm.com>
12591 * config/i386/winnt-stubs.c: Update FSF address.
12592 * config/xtensa/ieee754-df.S: Ditto.
12593 * config/xtensa/ieee754-sf.S: Ditto.
12595 2006-01-14 Ian Lance Taylor <ian@airs.com>
12597 * ifcvt.c (noce_init_if_info): New static function, broken out of
12598 noce_process_if_block.
12599 (noce_process_if_block): Call noce_init_if_info.
12600 (check_cond_move_block): New static function.
12601 (cond_move_process_if_block): New static function.
12602 (process_if_block): Call cond_move_process_if_block.
12604 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12606 * cselib.c (hash_table): Rename to cselib_hash_table.
12607 (cselib_clear_table, discard_useless_values,
12608 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12609 cselib_init, cselib_finish): Adjust uses of hash_table.
12611 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12613 PR tree-optimization/25485
12614 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12615 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12616 is known to be false and true, respectively.
12618 2006-01-14 Richard Guenther <rguenther@suse.de>
12620 PR tree-optimization/22548
12621 PR tree-optimization/22555
12622 PR tree-optimization/22501
12623 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12624 * params.def (salias-max-array-elements): New parameter.
12625 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12626 * doc/invoke.texi (salias-max-array-elements): Document.
12627 * tree-flow-inline.h (var_can_have_subvars): We also handle
12629 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12631 * tree-ssa-structalias.c (params.h): Include.
12632 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12633 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12634 (get_constraint_for): For ADDR_EXPR operating on something
12635 containing an ARRAY_REF, add all subvars to the solution.
12636 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12637 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12638 for creating MUST_DEFs.
12639 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12641 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12643 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12645 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12646 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12647 number_of_iterations_le): New functions.
12648 (number_of_iterations_special): Removed.
12649 (number_of_iterations_exit): Do not use number_of_iterations_special.
12650 * tree.c (unsigned_type_for): Always return integer type.
12652 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12653 Richard Guenther <rguenther@suse.de>
12655 PR rtl-optimization/24257
12656 * gcse.c (find_moveable_store): Only consider a store movable
12657 when the SET_SRC of the insn can be assigned to a register.
12659 2006-01-14 Ian Lance Taylor <ian@airs.com>
12661 * tree.c (tree_not_class_check_failed): New function.
12662 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12663 (tree_not_class_check_failed): Declare.
12665 2006-01-13 Ian Lance Taylor <ian@airs.com>
12667 * reload1.c (do_output_reload): Add assertion rejecting a
12670 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12672 * combine.c (struct reg_stat): Add new fields truncation_label and
12674 (record_value_for_reg): Reset truncated_to_mode.
12675 (record_truncated_value): New function.
12676 (check_promoted_subreg): Call it. Rename to check_conversions.
12677 (combine_instructions): Rename check_promoted_subreg to
12679 (reg_truncated_to_mode): New function.
12680 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12681 (gen_lowpart_or_truncate): New function.
12682 (force_to_mode): Use it instead of gen_lowpart.
12684 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12686 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12687 VAR is a tag, not its type tag.
12689 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12691 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12692 alternatives to match style of other entries.
12693 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12695 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12697 PR tree-optimization/25771
12698 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12701 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12704 * tree-inline.c (declare_return_variable): If the return variable
12705 was marked as a non gimple complex, set the return slot variable
12706 to be a non gimple comple variable.
12708 2006-01-13 Richard Guenther <rguenther@suse.de>
12710 * builtins.c (expand_builtin_sincos): New function.
12711 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12713 (expand_builtin): Expand sincos using expand_builtin_sincos.
12715 2006-01-12 DJ Delorie <dj@redhat.com>
12717 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12718 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12719 so that constant shifts can be split.
12720 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12721 (m32c_valid_pointer_mode): Make static.
12722 (shift_gen_func_for): New.
12723 (m32c_prepare_shift): Use it. Split large const shifts into
12725 * config/m32c/predicates.md (shiftcount_operand): Allow more
12727 (longshiftcount_operand): New.
12728 * doc/md.texi (Machine Constraints): Document In6.
12730 2006-01-13 Ben Elliston <bje@au.ibm.com>
12732 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12733 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12736 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12738 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12739 to try to avoid clobbering pieces of structures when we know
12740 something about the whole structure.
12741 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12743 2006-01-13 Ben Elliston <bje@au.ibm.com>
12745 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12746 return in memory, as this is no limitation is no longer present.
12748 2006-01-12 DJ Delorie <dj@redhat.com>
12750 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12751 mova with fb, and for fb+0 -> An.
12753 * config/m32c/mov.md (peephole2): Fix enabling logic.
12755 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12756 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12757 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12758 FINI_ARRAY_SECTION_ASM_OP): Define.
12760 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12762 (m32c_legitimize_reload_address): New logic to reload FB to An.
12763 (m32c_output_reg_push): Add newline.
12764 (m32c_output_reg_pop): Likewise.
12766 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12768 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12770 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12772 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12774 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12776 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12779 2006-01-11 Ben Elliston <bje@au.ibm.com>
12781 * rtlanal.c (find_reg_note): Assert insn is not null.
12783 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12785 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12788 2006-01-11 Jeff Law <law@redhat.com>
12790 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12792 (mark_threaded_blocks, register_jump_thread): New functions.
12793 (thread_through_all_blocks): Remove unwanted argument. No
12794 longer rely on e->aux to communicate thread target info.
12795 Call mark_threaded_blocks. Release the threaded_blocks
12796 bitmap and threaded_edges vector when complete.
12797 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12798 (threaded_blocks): Remove.
12799 (tree_ssa_dominator_optimize): Remove initialization and
12800 finalization of threaded_blocks. Simplify call to
12801 thread_through_all_blocks.
12802 (thread_across_edge): Call register_jump_thread rather than
12803 storing thread information into e->aux.
12804 (free_all_edge_infos): Simplify now that e->aux is no longer
12805 used to communicate with thread_through_all_blocks.
12806 * tree-flow.h (thread_through_all_blocks): Update prototype.
12807 (register_jump_thread): Prototype.
12809 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12811 * df-core.c (df_compact_blocks, df_bb_replace): Use
12812 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12814 2006-01-11 Richard Guenther <rguenther@suse.de>
12816 PR tree-optimization/25734
12817 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12818 stop propagation after successful propagation to the LHS.
12820 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12822 * basic-block.h (control_flow_graph): Change the type of
12823 x_basic_block_info to VEC(basic_block,gc) *.
12824 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12826 (SET_BASIC_BLOCK): New.
12827 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12828 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12829 * cfgbuild.c (find_basic_blocks): Likewise.
12830 * cfglayout.c (fixup_reorder_chain): Likewise.
12831 * cfgrtl.c (create_basic_block_structure,
12832 rtl_create_basic_block): Likewise.
12833 * ifcvt.c (find_if_case_1): Likewise.
12834 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12837 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12839 * Makefile.in: Removed rotted odf.c entry.
12841 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12844 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12845 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12846 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12847 output pattern modifier, not %e.
12848 * config/cris/cris.c (cris_op_str): Update comment about pattern
12850 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12851 before falling through into...
12852 <case 'E'>: Redefined from old 'e' case.
12854 2006-01-11 Jan Hubicka <jh@suse.cz>
12857 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12859 2006-01-11 Jan Hubicka <jh@suse.cz>
12861 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12862 * i386.c (x86_decompose_lea): Kill.
12863 (ix86_rtx_costs): Kill.
12865 2006-01-11 Jan Hubicka <jh@suse.cz>
12867 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12868 * cgraph.h (cgraph_node): Add inline_decl.
12869 (cgraph_insert_node_to_hashtable): Declare.
12870 (save_inline_function_body): Declare.
12871 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12873 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12874 (cgraph_function_versioning): Update call of tree_function_versioning.
12875 (save_inline_function_body): New function.
12876 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12877 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12878 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12879 (cgraph_default_inline_p): Likewise.
12880 (cgraph_decide_inlining_incrementally): Likewise.
12881 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12882 (copy_bb): Kill saving; do updating of clones.
12883 (copy_cfg_body): Kill saving.
12884 (initialize_inlined-parameters): Likewise.
12885 (expand_call_inline): Likewise.
12887 (tree_function_versioning): New parameter "update_clones".
12888 (inlining_p): Kill saving.
12889 * tree-inline.h (tree_function_versioning): Update prototype.
12890 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12893 2006-01-11 Ian Lance Taylor <ian@airs.com>
12895 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12896 Allow undoing set of machine mode.
12897 (do_SUBST): Use enums instead of is_int.
12898 (do_SUBST_MODE): New function.
12899 (SUBST_MODE): New macro.
12900 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12901 reg and trying to replace reg_regno_rtx with a new register.
12902 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12903 (simplify_set): Use SUBST_MODE.
12904 (distribute_notes): Remove code that tried to update reg notes
12905 for regno_reg_rtx changes.
12907 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12909 PR tree-optimization/23109
12910 PR tree-optimization/23948
12911 PR tree-optimization/24123
12913 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12914 * tree-cfg.c (single_noncomplex_succ): New.
12915 * tree-flow.h (single_noncomplex_succ): Declare it.
12916 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12917 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12918 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12919 insert_bb, register_division_in, insert_reciprocals,
12920 replace_reciprocal, free_bb): New.
12921 (execute_cse_reciprocals_1): Rewritten.
12922 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12923 Do not commit any edge insertion. Always compute dominators and
12924 create the allocation pool.
12925 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12926 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12927 * targhooks.c (default_min_divistions_for_recip_mul): New.
12928 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12929 * passes.c (init_optimization_passes): Run recip after tree loop
12931 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12933 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12934 Kenneth Zadeck <zadeck@naturalbridge.com>
12936 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12937 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12938 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12939 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12940 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12941 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12942 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12943 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12944 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12945 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12946 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12947 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12948 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12949 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12950 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12951 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12952 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12953 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12954 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12955 DF_SCAN_POST_ALLOC): New macros.
12956 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12957 df_free_bb_function, df_local_compute_function, df_init_function,
12958 df_dataflow_function, df_confluence_function_0,
12959 df_confluence_function_n, df_transfer_function,
12960 df_finalizer_function, df_free_function, df_dump_problem_function,
12961 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12962 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12963 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12964 df_urec_bb_info, ) New types.
12965 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12967 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12968 df_analyze_simple_change_some_blocks,
12969 df_analyze_simple_change_one_block, df_compact_blocks,
12970 df_bb_replace, df_bb_regno_last_use_find,
12971 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12972 df_insn_regno_def_p, df_find_def, df_find_use,
12973 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12974 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12975 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12976 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12977 debug_df_chain, df_get_dependent_problem, df_chain_create,
12978 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12979 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12980 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12981 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12982 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12983 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12984 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12985 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12986 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12987 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12988 df_reorganize_refs, df_set_state, df_hard_reg_init,
12989 df_read_modify_subreg_p) New public functions.
12990 * df-core.c: The core dataflow solver and glue routines for rtl
12992 (df_init, df_add_problem, df_set_blocks, df_finish,
12993 df_hybrid_search_forward, df_hybrid_search_backward,
12994 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12995 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12996 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12997 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12998 df_reg_defined, df_find_use, df_reg_used, df_dump,
12999 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13000 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13001 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13002 debug_df_useno, reset_df_after_reload): New functions.
13003 * df-scan.c: The scanning fuctions, once in df.c, completely
13004 rewritten so that they now fully model the functionality of
13005 register usage at the backend.
13006 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13007 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13008 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13009 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13010 df_get_artificial_defs, df_get_artificial_uses,
13011 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13012 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13013 df_refs_delete, df_reorganize_refs, df_set_state,
13014 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13015 df_def_record_1, df_defs_record, df_uses_record,
13016 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13017 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13018 df_record_exit_block_uses, df_hard_reg_init): New functions.
13020 * df-problems.c: Seven concrete dataflow problems that use the
13021 scanning in df-scan.c and are solved by the engine in df-core.c.
13022 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13023 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13024 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13025 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13026 df_ru_free_bb_info, df_ru_alloc,
13027 df_ru_bb_local_compute_process_def,
13028 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13029 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13030 df_ru_transfer_function, df_ru_free, df_ru_dump,
13031 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13032 df_rd_free_bb_info, df_rd_alloc,
13033 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13034 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13035 df_rd_transfer_function, df_rd_free, df_rd_dump,
13036 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13037 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13038 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13039 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13040 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13041 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13042 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13043 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13044 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13045 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13046 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13047 df_urec_mark_reg_use_for_earlyclobber,
13048 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13049 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13050 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13051 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13052 df_chain_create_bb_process_use, df_chain_create_bb,
13053 df_chain_finalize, df_chain_free, df_chains_dump,
13054 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13055 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13056 df_reg_lifetime): New functions.
13057 * df.c: Deleted file.
13058 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13059 consistent with new df api.
13060 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13061 rest_of_handle_sms): Ditto.
13062 * web.c (unionfind_union, union_defs, entry_register, web_main):
13064 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13065 invariant_expr_equal_p, find_defs, check_dependencies,
13066 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13067 free_inv_motion_data, move_loop_invariants): Ditto.
13068 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13069 Update dependencies.
13070 (odf.c): Added defective entry that was deleted later in day.
13071 * sched-deps.c (sched_analyze_1): Ditto.
13073 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13075 * tree-ssa-operands.c (get_expr_operands): Record addressable
13076 variables directly. Do not call add_stmt_operands for CONST_DECLs
13078 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13079 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13081 2006-01-11 Ben Elliston <bje@au.ibm.com>
13083 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13084 function returns true in the positive case.
13086 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13089 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13090 for SI, DI, SF and DF modes. Add alternatives to copy between
13091 general and floating point registers to the 32-bit patterns.
13092 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13093 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13094 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13095 generating 64-bit code.
13096 * config/pa/pa.c (output_move_double): Handle copies between general
13097 and floating registers.
13099 2006-01-10 Stuart Hastings <stuart@apple.com>
13101 * config/i386/i386.md (set_got): Update.
13102 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13103 (builtin_setjmp_receiver): Mach-O support.
13104 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13105 (GOT_SYMBOL_NAME): Define.
13106 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13107 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13108 * config/i386/i386.c (override_options): Revise for Darwin.
13109 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13110 support. (darwin_x86_file_end): New. (output_set_got): Add label
13111 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13112 * config/i386/i386-protos.h (output_set_got): Likewise.
13113 * config/darwin.c (machopic_legitimize_pic_address): Update
13116 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13118 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13119 when MODE isn't BLKmode.
13121 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13123 PR rtl-optimization/25367
13124 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13126 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13129 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13130 for a negative bound.
13132 2006-01-10 Richard Guenther <rguenther@suse.de>
13134 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13135 Never override with anything constraint.
13137 2006-01-10 Jan Beulich <jbeulich@novell.com>
13139 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13140 256 bits when optimize_size.
13142 2006-01-10 Jan Beulich <jbeulich@novell.com>
13144 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13146 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13147 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13150 2006-01-10 Ben Elliston <bje@au.ibm.com>
13152 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13154 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13155 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13156 (USE_FP_FOR_ARG): Reject decimal float modes.
13157 (function_arg_advance): Likewise.
13158 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13159 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13160 point types in AltiVec vectors.
13161 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13162 (rs6000_libcall_value): Likewise.
13164 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13166 * config/xtensa/ieee754-df.S: New file.
13167 * config/xtensa/ieee754-sf.S: New file.
13168 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13169 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13170 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13172 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13174 * config/sh/predicates.md (binary_float_operator,
13175 binary_logical_operator, commutative_float_operator,
13176 equality_comparison_operator, greater_comparison_operator,
13177 less_comparison_operator, logical_operator,
13178 noncommutative_float_operator, shift_operator,
13179 symbol_ref_operand, unary_float_operator): Remove redundant
13182 2006-01-09 Jeff Law <law@redhat.com>
13184 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13185 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13186 now unused arguments. Callers updated.
13187 (eliminate_redundant_computations): Remove now unused arguments,
13189 (local_fold): Remove, no longer used.
13190 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13192 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13193 (simplify_cond): New function.
13194 (forward_propagate_into_cond): Call simplify_cond.
13196 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13198 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13199 (*vec_extractv2di_1_sse): New.
13201 2006-01-09 Ben Elliston <bje@au.ibm.com>
13203 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13205 2006-01-08 Richard Guenther <rguenther@suse.de>
13207 * tree-ssa-structalias.c (get_constraint_for): Remove
13208 anyoffset argument.
13209 (get_constraint_for_component_ref): Likewise.
13210 (do_deref): Likewise.
13211 (get_constraint_for): Likewise.
13212 (do_structure_copy): Likewise.
13213 (handle_ptr_arith): Likewise.
13214 (find_func_aliases): Likewise. Remove unused need_anyoffset
13217 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13218 Kaz Kojima <kkojima@gcc.gnu.org>
13220 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13221 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13222 (EXTRA_CONSTRAINT_C16): Remove.
13223 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13224 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13225 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13226 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13227 constants of SHmedia. Handle nested constant expressions of
13229 (andcosts): Fix the costs for SHmedia constants.
13230 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13231 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13232 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13233 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13234 (movv4hi_i, movv2si_i): Likewise.
13235 (movsi_const): Adjust the second operand of ior so to match with
13236 the Csu constraint.
13237 (movdi_const, movdi_const_32bit): Likewise.
13238 (movdi_const_16bit+1): Don't sign-extend LOW.
13239 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13241 (*double_shori): Fix the split condition. Use GEN_INT instead
13242 of get_int_mode calls. Mask lower 16-bit of the argument of
13244 (sym2GOTPLT): Remove.
13245 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13247 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13248 instead of EXTRA_CONSTRAINT_C16.
13250 2006-01-07 Ian Lance Taylor <ian@airs.com>
13251 David Edelsohn <edelsohn@gnu.org>
13253 PR rtl-optimization/25662
13254 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13255 for constant operands instead of simplify_gen_binary.
13256 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13257 after trying simplify_binary_operation
13259 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13261 * tree.c (iterative_hash_expr): Hash decls based on UID.
13263 2006-01-06 Eric Christopher <echristo@apple.com>
13265 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13266 (TARGET_UNWIND_EMIT): Fix spelling.
13267 * target.h (gcc_target): Add except_table_label.
13268 * except.c (output_function_exception_table): Use.
13269 * varasm.c (default_emit_except_table_label): New.
13270 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13272 (asm_out): Add here.
13273 * output.h (default_emit_except_table_label): Prototype.
13274 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13275 * config/darwin.c (darwin_emit_except_table_label): Define.
13276 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13278 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13280 PR tree-optimization/18527
13281 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13282 number_of_iterations_special, number_of_iterations_exit):
13283 Move base and step of an iv to a single structure. Add
13284 no_overflow flag, and use it in # of iterations analysis.
13285 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13286 folded_casts argument.
13287 (simple_iv): Pass base and step in a structure. Set no_overflow
13289 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13290 Evaluate expensiveness of computing # of iterations instead of
13291 the final expression.
13292 * tree-scalar-evolution.h (affine_iv): New structure.
13293 (simple_iv): Declaration changed.
13294 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13295 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13296 find_givs_in_stmt): Changed due to simple_iv change.
13298 2006-01-06 Jeff Law <law@redhat.com>
13301 * tree-cfg.c (bsi_replace): Rename final argument from
13302 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13303 change (stmt -> orig_stmt).
13304 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13305 (bsi_remove): Add new argument. Remove EH information
13307 (verify_eh_throw_table_statements): New function.
13308 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13310 * tree-optimize.c (execute_free_cfg_annotations): Verify
13311 the EH throw statement table after removing annotations.
13312 * except.h (verify_eh_throw_table_statements): Prototype.
13313 * tree-flow.h (bsi_remove): Update prototype.
13314 * tree-vrp.c (remove_range_assertions): Add new argument to
13316 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13317 * tree-complex.c (expand_complex_div_wide): Likewise.
13318 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13319 * tree-tailcall.c (eliminate_tailcall): Likewise.
13320 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13321 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13322 * tree-nrv.c (tree_nrv): Likewise.
13323 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13324 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13325 (combine_blocks): Likewise.
13326 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13327 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13328 (cleanup_control_flow): Likewise.
13329 (remove_forwarder_block): Likewise.
13330 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13331 * tree-sra.c (sra_replace): Likewise.
13332 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13333 (forward_propagate_single_use_vars): Likewise.
13334 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13335 * tree-inline.c (expand_call_inline): Likewise.
13336 * tree-vect-transform.c (vect_transform_loop): Likewise.
13337 * tree-outof-ssa.c (rewrite_trees): Likewise.
13338 * tree-cfg.c (make_goto_expr_edges): Likewise.
13339 (cleanup_dead_labels): Likewise.
13340 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13341 (bsi_move_before, bsi_move_after): Likewise.
13342 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13343 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13345 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13348 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13350 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13351 on non gimple variables. Also add checks at the top for decls and
13353 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13355 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13356 and IMAGPART_EXPR for creating MUST_DEFs.
13357 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13358 and NAME_MEMORY_TAG separately from the DECLs.
13360 2006-01-06 Richard Guenther <rguenther@suse.de>
13362 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13363 annotation, if necessary.
13364 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13365 redundant calls to update_stmt.
13366 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13369 2006-01-05 Richard Henderson <rth@redhat.com>
13371 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13373 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13375 * c-typeck.c: Update copyright date.
13377 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13379 * c-typeck.c (build_c_cast): Always warn when casting
13380 from a pointer to an integer of different size, even if
13381 the node was constant.
13383 2006-01-05 Richard Guenther <rguenther@suse.de>
13385 PR tree-optimization/22555
13386 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13387 if one structure field is an array.
13388 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13389 operands even if we found a subvar, but ignore VOPs in this
13391 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13393 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13395 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13397 PR middle-end/24998
13398 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13400 2006-01-05 Richard Guenther <rguenther@suse.de>
13401 Diego Novillo <dnovillo@redhat.com>
13403 * tree-pass.h (TODO_remove_unused_locals): Define.
13404 * gimple-low.c (expand_var_p, remove_useless_vars,
13405 pass_remove_useless_vars): Remove. Update all users.
13406 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13407 (remove_unused_locals): New function.
13408 * tree-flow.h (remove_unused_locals): Declare.
13409 * passes.c (execute_todo): Call remove_unused_locals if
13410 TODO_remove_unused_locals is set.
13411 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13412 * tree-ssa-dce.c (pass_dce): Likewise.
13413 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13415 2006-01-05 Richard Guenther <rguenther@suse.de>
13417 * tree-flow.h (struct fieldoff): Decompose field to
13418 type, size and decl.
13419 * tree-ssa-alias.c (create_sft): Take type as parameter.
13420 (create_overlap_variables_for): Store type, size and decl
13421 in the fieldoff structure.
13422 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13423 of struct fieldoff.
13424 (push_fields_onto_fieldstack): Likewise.
13425 (create_variable_info_for): Likewise. Use offset for the
13426 SFT name if the decl is not available.
13428 2006-01-04 Paul Brook <paul@codesourcery.com>
13430 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13432 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13434 * lambda-code.c (can_put_in_inner_loop): Relax
13436 (can_put_after_inner_loop): New function.
13437 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13438 (perfect_nestify): Change to make copies and modify uses.
13440 2006-01-04 Richard Henderson <rth@redhat.com>
13442 Merge from gomp branch:
13443 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13444 via integer constant.
13445 (pragma_lex): Remove.
13446 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13447 rather than parsing it.
13448 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13449 handle_pragma_extern_prefix): Add %< %> quotes.
13450 (registered_pragmas): New.
13451 (c_register_pragma_1): New.
13452 (c_register_pragma): Use it.
13453 (c_register_pragma_with_expansion): Likewise.
13454 (c_invoke_pragma_handler): New.
13455 (init_pragma): Use cpp_register_deferred_pragma directly for
13457 * c-pragma.h (enum pragma_kind): New.
13458 (pragma_handler): New.
13459 (c_invoke_pragma_handler): Declare.
13460 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13462 * c-common.h (c_common_pch_pragma): Update decl.
13463 * Makefile.in (c-parser.o): Update dependencies.
13464 (GTFILES): Add c-pragma.h.
13465 * c-parser.c (struct c_token): Add pragma_kind.
13466 (struct c_parser): Add in_pragma.
13467 (c_lex_one_token): Always initialize keyword and pragma_kind.
13468 Extract data for CPP_PRAGMA.
13469 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13470 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13471 Don't allow CPP_PRAGMA_EOL if in_pragma.
13472 (c_parser_consume_pragma): New.
13473 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13474 (c_parser_skip_to_end_of_parameter): Likewise.
13475 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13476 (c_parser_skip_to_pragma_eol): New.
13477 (c_parser_external_declaration): Handle CPP_PRAGMA.
13478 (c_parser_compound_statement_nostart): Likewise.
13479 (c_parser_statement_after_labels): Likewise.
13480 (c_parser_pragma): New.
13481 (pragma_lex): Likewise.
13482 (c_parser_pragma_pch_preprocess): New.
13483 (c_parser_new): Merge into ...
13484 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13486 2006-01-04 Jeff Law <law@redhat.com>
13489 * tree-cfg.c (bsi_replace): Remove the original statement
13490 from the EH throw statement table.
13492 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13494 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13495 make the prototype extern "C" and add throw ().
13498 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13499 and pos non-negative and pos + len <= 32.
13500 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13501 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13502 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13505 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13506 as well as sizes not multiple of component size.
13509 * function.c (instantiate_expr): New function.
13510 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13511 walk its DECL_VALUE_EXPR with instantiate_expr.
13513 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13514 DW_OP_deref{,_size} if address isn't going to be added.
13516 2006-01-04 Ben Elliston <bje@au.ibm.com>
13518 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13519 * config/fp-bit.c: Likewise.
13521 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13523 * dominance.c: Add comment about why we use DFS numbering
13526 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13527 Richard Henderson <rth@redhat.com>
13529 Merge from gomp-branch:
13530 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13531 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13533 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13535 PR rtl-optimization/25578
13536 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13537 pass a parameter to simplify_shift_const if changing ASHIFTRT
13540 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13542 * builtins.c (get_builtin_sync_mem): New function.
13543 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13544 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13545 Call get_builtin_sync_mem to generate mem rtx.
13547 2006-01-03 Richard Guenther <rguenther@suse.de>
13550 * stmt.c (add_case_node): Make sure to clear overflow flags
13553 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13555 Merge from gomp-branch.
13556 * config/sparc/sync.md: New file.
13557 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13558 UNSPECV_LDSTUB): New constants.
13559 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13560 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13561 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13564 2006-01-03 Roger Sayle <roger@eyesopen.com>
13566 * combine.c (reg_subword_p): New predicate to test whether the
13567 destination of a set refers to a subword/piece of a register.
13568 (try_combine): Generalize the code to merge the setting of a
13569 pseudo to a constant followed by a set of a subword of that
13570 register to a constant.
13572 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13574 * basic-block.h (control_flow_graph): Change the type of
13575 x_label_to_block_map to VEC(basic_block,gc) *.
13576 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13577 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13579 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13580 VEC(basic_block,heap) *.
13581 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13582 ssa_prop_fini): Adjust the uses of cfg_blocks.
13584 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13586 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13588 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13589 hashing trees instead of a pointer hash.
13590 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13591 compare for MEM_EXPR.
13593 PR rtl-optimization/25130
13594 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13595 when comparing MEMs for GCSE
13597 2006-01-03 Ben Elliston <bje@au.ibm.com>
13599 * targhooks.h (default_decimal_float_supported_p): Declare.
13600 * targhooks.c (default_decimal_float_supported_p): Define.
13601 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13602 `default_decimal_float_supported_p'.
13603 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13605 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13607 * combine.c (apply_distributive_law <SUBREG>): Check
13608 TRULY_NOOP_TRUNCATION.
13610 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13612 * dwarf2out.c (have_switched_text_section): Delete.
13613 (have_multiple_function_sections): New.
13614 (have_location_lists): Make 'bool'.
13615 (add_AT_loc_list): Use 'true' not '1'.
13616 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13617 (output_loc_list): Use have_multiple_function_sections.
13618 (output_ranges): Likewise.
13619 (dwarf2out_begin_function): Set have_multiple_function_sections if
13621 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13622 Check function_section rather than DECL_SECTION_NAME.
13623 (dwarf2out_finish): Use have_multiple_function_sections.
13624 Don't clear have_location_lists.
13626 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13627 Jan Hubicka <jh@suse.cz>
13629 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13630 case of conditional jump jumping to the next instruction.
13631 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13632 cases of conditional jump jumping to the next instruction.
13634 2006-01-02 Jan Hubicka <jh@suse.cz>
13636 * i386.c (*_cost): Add COSTS_N_INSNS.
13637 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13639 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13642 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13644 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13646 * config/arm/arm.c (all_fpus): Fix comment typo.
13647 * config/darwin.c: Likewise.
13648 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13649 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13650 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13652 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13654 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13655 (rs6000_split_compare_and_swapqhi): New.
13656 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13657 (sync_compare_and_swapqhi_internal): New.
13658 * config/rs6000/rs6000-protos.h: Declare.