1 2006-08-03 Jan Hubicka <jh@suse.cz>
3 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8 PR tree-optimization/27770
9 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
10 declaration removed (moved to tree-flow.h).
11 (vect_can_force_dr_alignment_p): Likewise.
12 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
13 (moved from tree-vectorizer.h).
14 (vect_can_force_dr_alignment_p): Likewise.
15 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
16 from outside the vectorizer - in particular from cgraph stage.
17 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
18 the alignment of global arrays when -fsection-anchors is enabled.
19 * cgraphunit.c (cgraph_increase_alignment): New function.
20 (cgraph_optimize): Call cgraph_increase_alignment.
22 2006-08-03 David Edelsohn <edelsohn@gnu.org>
25 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
26 not reload a SPE symbol_ref into a lo_sum address.
28 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
31 * dwarf2out.c (prune_unused_types_prune): Move call to
32 prune_unused_types_update_strings to cover the parent DIE also.
34 2006-08-02 Jan Hubicka <jh@suse.cz>
37 * tree-cfg.c (change_bb_for_stmt): New function.
38 (tree_merge_blocks, tree_split_blocks): Use it.
40 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
46 * toplev.c (compile_file): Return early on errorcount or sorrycount.
47 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
48 (cgraph_optimize): Likewise.
50 2006-08-01 Stuart Hastings <stuart@apple.com>
52 * rtl.h (UINTVAL) New.
53 * config/rs6000/rs6000.c (SMALL_INT) Use it.
54 * testsuite/gcc.dg/20060801-1.c: New.
56 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
59 * c-typeck.c (build_external_type): Mark used enum types.
60 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
62 (gen_subprogram_die): Whitespace fix.
64 2006-08-01 Jan Hubicka <jh@suse.cz>
66 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
67 bitmap when not needed.
68 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
71 2006-08-01 Dirk Mueller <dmueller@suse.de>
73 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
75 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
77 * Makefile.in: Revert part of previous patch:
78 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
81 2006-07-30 Eric Christopher <echristo@apple.com>
84 * doc/extend.texi (i386 Variable Attributes): Add anchor.
85 (PowerPC Variable Attributes): New section.
87 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
89 PR target/28126 (partial fix)
90 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
92 2006-07-28 Jan Hubicka <jh@suse.cz>
94 PR rtl-optimization/28071
95 * cfgrtl.c (rtl_delete_block): Free regsets.
96 * flow.c (allocate_bb_life_data): Re-use regsets if available.
98 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
100 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
101 and variables used in dependencies.
103 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
105 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
106 %fs for -mcmodel=kernel.
107 (stack_tls_protect_test_di): Likewise.
109 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
111 * Makefile.in: Use mkinstalldirs.
113 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
116 * opts-common.c (prune_options): Skip joined switches.
118 2006-07-27 Jan Hubicka <jh@suse.cz>
120 PR rtl-optimization/28071
121 * cselib.c (cselib_process_insn): Don't remove useless values too
122 often for very large hashtables.
124 2006-07-27 Jan Hubicka <jh@suse.cz>
126 PR rtl-optimization/28071
127 * global.c (greg_obstack): New obstack.
128 (allocate_bb_info): Use it.
129 (free_bb_info): Likewise.
130 (modify_reg_pav): Likewise.
132 2006-07-27 Roger Sayle <roger@eyesopen.com>
134 * builtins.c (fold_fixed_mathfn): When long and long long are the
135 same size, canonicalize llceil*, llfloor*, llround* and llrint*
136 functions to their lceil*, lfloor*, lround* and lrint* forms.
138 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
141 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
143 (rev_branch_insn): Likewise.
145 2006-07-27 Jan Hubicka <jh@suse.cz>
147 PR rtl-optimization/28071
148 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
149 (reg_set_in_bb, max_reg_computed): New static variables.
150 (regmove_optimize): Free the new array.
151 (fixup_match_1): Update call of reg_is_remote_constant_p.
153 2006-07-26 Jan Hubicka <jh@suse.cz>
155 PR tree-optimization/27882
156 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
158 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
160 (cgraph_analyze_compilation_unit): Likewise.
161 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
162 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
163 (cgraph_early_inlinine): Make order garbage collected.
164 * Makefile.in (gt-ipa-inline): New garbagecollected file.
166 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
168 * dbxout.c (output_types_sort): Add a comment.
169 (output_used_types): Free the VEC.
171 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
173 * function.c (reorder_fix_fragments): Delete.
174 (reorder_blocks): Don't call it.
175 (reorder_blocks_1): Put all subblocks under the origin block.
177 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
179 PR rtl-optimization/27907
180 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
183 2006-07-25 Roger Sayle <roger@eyesopen.com>
186 * convert.c (convert_to_integer): When transforming (T)foo(x) into
187 bar(x) check that bar's result type can represent all the values of T.
189 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
191 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
193 2006-07-25 Nick Clifton <nickc@redhat.com>
195 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
197 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
198 (ggc_pch_count_object): Likewise.
199 (ggc_pch_alloc_object): Likewise.
200 (ggc_pch_write_object): Likewise.
201 (init_ggc): Do not attempt to initialize entries in the
202 size_lookup[] array for objects whose size is greater than than
203 the length of the array.
205 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
207 * dbxout.c (output_used_types_helper): Push queued types
209 (output_types_sort): New.
210 (output_used_types): Collect used types on a VEC and sort them
213 2006-07-24 Richard Guenther <rguenther@suse.de>
216 * cgraph.c (cgraph_remove_node): Do not check if dumps
218 * cgraphunit.c (cgraph_optimize): Likewise.
220 2006-07-24 Jan Hubicka <jh@suse.cz>
222 PR rtl-optimization/28071
223 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
224 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
225 splitting before first stmt.
227 2006-07-24 Jan Hubicka <jh@suse.cz>
229 PR rtl-optimization/28071
230 * ipa-inline.c (update_caller_keys): Remove edges that
231 are no longer inline candidates.
233 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
236 * dbxout.c (output_used_types_helper, output_used_types): New.
237 (dbxout_symbol): Call output_used_types.
239 2006-07-23 Jan Hubicka <jh@suse.cz>
243 * cgraph.c (cgraph_varpool_nodes): Export.
244 (decide_is_variable_needed): Ignored "used" attribute in
246 * cgraph.h (cgraph_varpool_nodes): Declare.
247 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
250 2006-07-23 Roger Sayle <roger@eyesopen.com>
253 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
254 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
255 the __gthrw form of thr_keycreate.
256 (__gthread_key_delete): Silence the unused argument warning.
258 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
261 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
262 Cache the last found '\0' marker to avoid quadratic behavior.
264 2006-07-23 Jan Hubicka <jh@suse.cz>
266 * i386.md (subsi_3_zext): Fix output template.
268 2006-07-21 Mike Stump <mrs@apple.com>
270 * doc/invoke.texi (C++ Dialect Options): Note that
271 -fvisibility-inlines-hidden doesn't affect explicitly
272 instantiationed inline methods.
274 2006-07-20 Roger Sayle <roger@eyesopen.com>
276 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
277 if the target assembler is GNU binutils' gas.
278 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
279 whether to pass GNU gas or native as command line options.
281 2006-07-20 Jason Merrill <jason@redhat.com>
283 * tree.c (remove_attribute): New fn.
284 * tree.h: Declare it.
286 2006-07-20 Paul Brook <paul@codesourcery.com>
289 * cse.c (cse_insn): Add destination addresses to hash table. Check if
290 they are invalidated by this instruction.
292 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
295 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
297 2006-07-20 Eric Christopher <echristo@apple.com>
300 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
302 2006-07-19 Eric Christopher <echristo@apple.com>
304 * config/t-slibgcc-darwin (stmp-lipo): Remove.
305 Rewrite dependencies for libgcc_s.1.dylib.
307 2006-07-19 Jakub Jelinek <jakub@redhat.com>
309 * except.c (duplicate_eh_regions_1): Clear next_peer.
311 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
313 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
314 -mlongcall does not guarantee all calls will be long.
315 * doc/extend.texi (long_call/short_call): Document that longcall
316 does not guarantee a long call will be used.
317 (longcall/shortcall): Likewise.
319 2006-07-18 Roger Sayle <roger@eyesopen.com>
322 * expmed.c (expand_shift): Additionally check that the shift_cost
323 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
324 before implementing a LSHIFT_EXPR as a sequence of additions.
325 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
326 middle-end that DImode shifts need to be synthesized by expand.
328 2006-07-18 Diego Novillo <dnovillo@redhat.com>
331 * tree-ssa-operands.c (access_can_touch_variable): Update
333 Return true if ALIAS is .GLOBAL_VAR.
335 2006-07-18 David Daney <ddaney@avtrex.com>
337 * gcc.c (display_help): Fix typo in help text.
339 2006-07-18 Olivier Hainque <hainque@adacore.com>
341 * tree.h (categorize_ctor_elements): Adjust prototype and add
342 descriptive comment, both in accordance with the interface change
344 * varasm.c (constructor_static_from_elts_p): New function.
345 Whether a constructor node is a valid static constant initializer
346 if all its elements are.
347 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
348 * output.h: Declare it.
349 * expr.c (categorize_ctor_elements_1): Return whether the constructor
350 is a valid constant initializer instead of computing the number of
351 non-constant elements. Use constructor_static_from_elts_p for this
352 purpose. Replace the head comment with an indication that this is a
353 helper for categorize_ctor_elements.
354 (categorize_ctor_elements): Same interface change as for the _1
355 helper. Former head comment from this helper moved here, adjusted to
356 account for the interface changes.
357 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
358 (all_zeros_p): Likewise.
359 * gimplify.c (gimplify_init_constructor): Decide whether we can make
360 static versions of the constructor from the categorize_ctor_elements
361 return value instead of the formerly computed number of non-constant
364 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
366 * configure: Regenerate.
367 * Makefile.in (build_libsubdir): New configure substitution
368 (build_libobjdir): New variable.
369 (BUILD_LIBIBERTY): Use it.
371 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
374 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
376 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
379 * c-common.c (handle_weakref_attribute): Ignore attribute in
380 the same conditions the alias attribute is ignored.
382 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
384 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
385 (dbxout_begin_prologue): Increment scope_labelno.
387 2006-07-17 Richard Henderson <rth@redhat.com>
390 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
393 2006-07-17 Roger Sayle <roger@eyesopen.com>
394 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
396 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
397 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
398 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
399 functions such as sbrk, write, etc.. Add function prototypes.
400 Convert function declarations from K&R to ISO C. Cast pointers
401 to "long" and "unsigned long" instead of "int" and "unsigned int".
402 Convert tokens following #endif into comments.
404 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
406 * invoke.texi: Remove mention of f77; Reformat table for
407 inline parameter options correctly; mention that -malign-double
408 is default on x86-64 targets.
410 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
412 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
413 (convert_affine_scev, chrec_convert_aggressive): Use
414 avoid_arithmetics_in_type_p. Do not check for the subtypes
417 2006-07-17 Richard Sandiford <richard@codesourcery.com>
420 * optabs.c (expand_doubleword_shift): Wrap the call to
421 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
423 2006-07-17 Richard Sandiford <richard@codesourcery.com>
426 * optabs.c (expand_binop): Pass next_methods rather than methods
427 to expand_doubleword_shift.
429 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
432 * tree.h (dump_addr): Declare.
433 * print-tree.c (dump_addr): New function.
434 (print_node_brief, print_node): Use it.
435 * print-rtl.c (print_rtx): Likewise.
436 * common.opt (-fdump-noaddr): New option.
437 * doc/invoke.texi (-fdump-noaddr): Document.
438 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
439 (ve_info_hash): Likewise.
441 2006-07-13 Andrew Haley <aph@redhat.com>
443 PR tree-optimization/19505
444 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
445 edge leaving this block, make sure that the destination of this
446 block has only one predecessor.
448 2006-07-17 Richard Guenther <rguenther@suse.de>
450 PR tree-optimization/28238
451 * tree-inline.c (copy_bb): Check if we produced valid
452 gimple copying and substituting a stmt. If not, gimplify
455 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
457 * optabs.c (maybe_encapsulate_block): New function extracted from...
458 (emit_libcall_block): ...here. Invoke it on the block of insns to
459 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
460 (emit_no_conflict_block): Likewise.
462 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
464 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
466 2006-07-15 Roger Sayle <roger@eyesopen.com>
468 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
469 a new NOP_EXPR case of the switch statement.
471 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
474 * stor-layout.c (place_field): Take the bit field with
475 an excessive size into account in the ms-bitfiled case.
478 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
479 the previous bit field.
481 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
484 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
486 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
488 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
489 signal frames correctly even when the signal was installed with
492 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
494 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
495 (dbxout_function_end): Use local label LFBB. Remove hook
497 (dbxout_source_line): Use local label LFBB.
498 (dbxout_block): Likewise.
499 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
500 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
501 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
504 2006-07-13 Janis Johnson <janis187@us.ibm.com>
506 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
508 2006-07-13 Jan Hubicka <jh@suse.cz>
510 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
512 * output.h (align_variable): Declare.
513 * varasm.c (align_variable): Export.
514 * value-prof.c (tree_value_profile_transformations): Recompute iterator
515 when basic block changed.
517 2006-07-13 Nick Clifton <nickc@redhat.com>
519 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
520 walking the LOG_LINKS chain.
522 2006-07-12 Geoffrey Keating <geoffk@apple.com>
524 * doc/invoke.texi (C++ Dialect Options): Explain difference
525 between -fvisibility-inlines-hidden and setting hidden
526 visibility explicitly.
528 2006-07-12 Eric Christopher <echristo@apple.com>
530 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
531 (stmp-lipo): Depend on libgcc.a.
533 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
535 * tree.c: Fix a comment typo.
537 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
539 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
541 (umulhisi3_r): Likewise.
543 2006-07-12 Paolo Carlini <pcarlini@suse.de>
546 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
547 x < 19, vs wchar_t support.
549 2006-07-12 Nick Clifton <nickc@redhat.com>
551 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
554 2006-07-12 Mike Stump <mrs@apple.com>
556 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
558 2006-07-10 Eric Christopher <echristo@apple.com>
560 * config/t-slibgcc-darwin: Rewrite.
562 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
565 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
568 2006-07-08 Matthias Klose <doko@debian.org>
570 * doc/sourcebuild.texi: Fix typo.
572 2006-07-07 Mike Stump <mrs@apple.com>
574 * toplev.c (process_options): Don't give -ffunction-sections may
575 affect debugging warning for Mach-O.
577 2006-07-07 James E Wilson <wilson@specifix.com>
579 * config/mips/mips.md (cpu): Add sb1a.
580 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
581 addition to sb1. Adjust comments to clarify SB-1A differences from
583 (ir_sb1a_load): New. Modify bypasses to use it.
584 (ir_sb1a_simple_alu): Likewise.
585 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
586 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
587 (mips_issue_rate): Add PROCESSOR_SB1A.
588 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
589 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
590 (TARGET_SB1): Add PROCESSOR_SB1A check.
591 (TUNE_SB1): Likewise.
593 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
594 * config/mips/mips.c (mips_store_data_bypass_p): New.
595 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
598 2006-07-08 Paul Brook <paul@codesourcery.com>
601 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
603 2006-07-07 Richard Guenther <rguenther@suse.de>
606 * tree.h (build_one_cst): Declare.
607 * tree.c (build_one_cst): New function.
608 * tree-ssa-math-opts.c (get_constant_one): Remove.
609 (insert_reciprocals): Use build_one_cst.
610 * fold-const.c (fold_plusminus_mult): Likewise.
612 2006-07-07 Roger Sayle <roger@eyesopen.com>
614 * pointer-set.c (pointer_set_destroy): Correct whitespace.
615 * cfgloopanal.c (dump_graph): Likewise.
616 * dojump.c (discard_pending_stack_adjust): Likewise.
617 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
619 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
620 * function.c (finalize_block_changes): Likewise.
621 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
622 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
623 * rtl.c (dump_rtx_statistics): Likewise.
624 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
626 * varray.c (dump_varray_statistics): Likewise.
627 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
628 decode_decimal64, encode_decimal128, decode_decimal128,
629 decimal_real_to_decimal): Likewise.
631 2006-07-07 Richard Guenther <rguenther@suse.de>
633 PR tree-optimization/28187
634 * tree-vrp.c (vrp_operand_equal_p): New function.
635 (vrp_bitmap_equal_p): Likewise.
636 (update_value_range): Use them to compare old and new
639 2006-07-06 Roger Sayle <roger@eyesopen.com>
641 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
642 a default case to switch statement to silence compiler warnings.
644 2006-07-06 Roger Sayle <roger@eyesopen.com>
647 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
648 the configured assembler supports the x87's ffreep mnemonic.
649 * configure: Regenerate.
650 * config.in: Regenerate.
652 * config/i386/i386.c (output_387_ffreep): New function.
653 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
654 (output_387_reg_move): Likewise.
656 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
658 Port to hosts whose 'sort' and 'tail' implementations
659 treat operands with leading '+' as file names, as POSIX
660 has required since 2001. However, make sure the code still
661 works on pre-POSIX hosts.
662 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
663 which says you should use "tail -c +N" rather than "tail +Nc".
664 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
666 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
668 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
671 2006-07-06 David Edelsohn <edelsohn@gnu.org>
674 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
675 PRE_{INC,DEC} of TFmode.
677 2006-07-06 David Edelsohn <edelsohn@gnu.org>
678 Alan Modra <amodra@bigpond.net.au>
681 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
684 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
687 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
688 Remove duplicate gtu.
690 2006-07-05 Jason Merrill <jason@redhat.com>
694 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
695 * c-common.c (handle_packed_attribute): So don't copy it here.
696 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
698 2006-07-05 Mike Stump <mrs@apple.com>
700 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
702 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
705 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
707 2006-07-05 Richard Guenther <rguenther@suse.de>
710 * config/i386/i386.md (*negdf2_1): Restrict pattern to
711 TARGET_SSE2 targets if using SSE math.
712 (*absdf2_1): Likewise.
714 2006-07-05 Richard Guenther <rguenther@suse.de>
716 PR tree-optimization/28162
717 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
718 make sure to convert the operands to the correct type.
720 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
722 PR tree-optimization/28218
724 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
725 to calculate and free the dominator information.
727 2006-07-04 Peter O'Gorman <peter@pogma.com>
729 * mklibgcc.in: chmod 644 before ranlib during install.
731 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
732 J"orn Rennecke <joern.rennecke@st.com>
734 * configure.ac (.eh_frame data check): Use diff -b.
736 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
739 * Makefile.in (BUILD_RTL): Add build/vec.o.
740 (build/gencondmd.o): Filter out -fkeep-inline-functions.
741 (build/genextract): Delete.
742 (build/genautomata): Likewise.
744 2006-07-04 Alan Modra <amodra@bigpond.net.au>
747 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
748 128-bit IBM long doubles for ABI_V4.
750 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
752 * tree.c (range_in_array_bounds_p): New predicate.
753 * tree.h (range_in_array_bounds_p): Declare it.
754 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
755 return a less conservative answer.
756 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
758 (IS_ELEMENT_FOR_GROUP): New macro.
759 (FOR_EACH_ACTUAL_CHILD): Likewise.
760 (next_child_for_group): New helper function.
761 (can_completely_scalarize_p): Take into account groups.
762 (sra_hash_tree): Handle RANGE_EXPR.
763 (sra_elt_eq): Likewise.
764 (lookup_element): Be prepared for handling groups.
765 (is_valid_const_index): Delete.
766 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
767 instead of is_valid_const_index.
768 <ARRAY_RANGE_REF>: New case.
769 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
770 is_valid_const_index.
771 <ARRAY_RANGE_REF>: Do not unconditionally punt.
772 (scan_dump): Dump info for groups too.
773 (decide_instantiation_1): Likewise.
774 (decide_block_copy): Assert that the element is not a group.
775 Propagate decision to groups.
776 (generate_one_element_ref): Handle RANGE_EXPR.
777 (mark_no_warning): Iterate over actual childs.
778 (generate_copy_inout): Likewise.
779 (generate_element_copy): Likewise.
780 (generate_element_zero): Likewise.
781 (generate_element_init_1): Likewise.
782 (dump_sra_elt_name): Handle RANGE_EXPR.
784 2006-07-03 Roger Sayle <roger@eyesopen.com>
786 PR tree-optimization/26251
787 * tree-ssa-threadupdate.c (redirection_block_p): New function.
788 (thread_block): When optimizing for size refuse to thread jumps
789 that would require duplication of blocks other than redirection
792 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
794 * configure.ac: Fix thinko in previous check-in.
795 * configure: Regenerate.
797 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
800 * configure.ac (for lang...): Simplify nesting of conditionals.
801 Test subdir_requires for non-enabled languages. Move processing
802 of lang_opt_files and lang_tree_fiels below that test.
803 * configure: Regenerate.
804 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
806 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
808 * doc/gcov.texi (Invoking Gcov): Add a missing word.
810 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
812 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
815 2006-06-29 Jason Merrill <jason@redhat.com>
822 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
823 * c-common.c (c_determine_visibility): Handle it here.
824 * c-decl.c (finish_decl): Call c_determine_visibility for
826 * flags.h (enum symbol_visibility): Sort from most to least visibility.
828 * varasm.c (default_assemble_visibility): Likewise.
829 * c-common.c (handle_visibility_attribute): Complain about trying
830 to give visibility to an already defined class, or trying to change
831 declared visibility. Always attach the attribute.
836 * attribs.c (decl_attributes): Ignore type-in-place attributes
837 once the type has been defined.
839 2006-06-29 Roger Sayle <roger@eyesopen.com>
842 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
843 to indicate the cpplib has issued an error message for us.
845 2006-06-29 Asher Langton <langton2@llnl.gov>
848 * config/i386/i386.c (ix86_output_function_epilogue): Don't
849 insert a label at the end of an function under Mach-O.
851 2006-06-29 Eric Christopher <echristo@apple.com>
852 Evan Cheng <evan.cheng@apple.com>
854 * predicates.md (vector_all_ones_operand): New.
855 (nonimmediate_or_sse_const_operand): Ditto.
856 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
857 * config/i386/i386.c (standard_sse_constant_opcode): Define.
858 (standard_sse_mode_p): Ditto.
859 (standard_sse_constant_p): Add case for -1 vector.
860 (ix86_expand_vector_move): Try to use.
861 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
862 Call standard_sse_constant_opcode.
863 (*movv4sf_internal): Ditto.
864 (*movv2df_internal): Ditto.
866 2006-06-29 Roger Sayle <roger@eyesopen.com>
868 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
869 of XEXP to extract the operands of a MATCH_CODE rtx.
871 2006-06-28 Andrew Pinski <pinskia@gmail.com>
873 * tree.c (tree_size): Do not waste tail padding in
874 struct tree_string and make the size be the same as
875 build_string will generate.
877 2006-06-28 Jason Merrill <jason@redhat.com>
880 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
881 may_aliases already in the tag's annotations to the bitmap.
883 2006-06-28 Roger Sayle <roger@eyesopen.com>
885 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
887 2006-06-28 Roger Sayle <roger@eyesopen.com>
889 * genpreds.c (generate_switch_p): New function.
890 (add_mode_tests): Push the new mode test down inside an AND expr
891 if this allows the switch-suitable MATCH_CODE to be near the root.
892 (write_match_code_switch): New function to write a MATCH_CODE as
894 (write_predicate_stmts): New function to write a predicate RTX
895 expression as a sequence of statements.
896 (write_one_predicate_function): Use write_predicate_stmts.
897 (write_tm_constrs_h): Likewise.
899 2006-06-26 Fred Fish <fnf@specifix.com>
901 * config/mips/t-sb1: New file.
902 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
905 2006-06-26 DJ Delorie <dj@redhat.com>
907 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
909 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
910 Jayant Sonar <jayants@kpitcummins.com>
911 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
913 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
914 (subsi3, subsi3_1, subsi3_2): New.
915 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
916 * config/m32c/mov.md (SI mov peephole): New.
917 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
918 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
920 2006-06-26 Olivier Hainque <hainque@adacore.com>
922 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
923 a CALL_EXPR target function declaration.
925 2006-06-26 Richard Guenther <rguenther@suse.de>
927 * tree.c (build_string): Do not waste tail padding in
930 2006-06-26 Richard Guenther <rguenther@suse.de>
932 * ggc-page.c (init_ggc): Add missing element to size_lookup
936 2006-06-23 Richard Guenther <rguenther@suse.de>
938 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
939 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
940 alignment requests instead. Add verification code.
941 Add struct tree_function_decl and struct tree_binfo size to
942 extra_order_size_table. Add missing element to size_lookup
945 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
948 * fold-const.c (const_binop): Be prepared for self returning zero.
949 Simplify code handling complex values.
951 2006-06-24 Olivier Hainque <hainque@adacore.com>
953 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
954 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
957 2006-06-24 Olivier Hainque <hainque@adacore.com>
959 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
960 ARRAY_REF, so have the callback called for the low bound expression.
962 2006-06-23 Janis Johnson <janis187@us.ibm.com>
964 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
965 * c-typeck.c (c_common_type): Disallow operations on decimal float
966 types and other float types.
967 * convert.c (convert_to_real): Don't ignore conversions involving
970 2006-06-23 Olivier Hainque <hainque@adacore.com>
972 * tree.c (max_int_size_in_bytes): New function, inspired from
973 code in function.c:assign_temp.
974 * tree.h (max_int_size_in_bytes): Declare.
975 * function.c (assign_temp): Use it.
976 * gimplify.c (create_tmp_var): Relax the assertions on the type
977 properties, not mandating constant size any more.
978 (force_constant_size): New static function.
979 (gimple_add_tmp_var): Use it, forcing variable size to a
980 constant upper bound if it is not constant on entry.
982 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
985 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
986 for initialization and setting of one_only flag to ...
987 (i386_pe_encode_section_info): ...here.
988 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
989 Recheck that the symbol has not been defined.
991 2006-06-23 Richard Guenther <rguenther@suse.de>
993 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
994 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
995 alignment requests instead. Add verification code.
996 Add struct tree_function_decl and struct tree_binfo size to
997 extra_order_size_table. Add missing element to size_lookup
1000 2006-06-22 Roger Sayle <roger@eyesopen.com>
1001 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1004 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1005 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1007 2006-06-23 Ben Elliston <bje@au.ibm.com>
1009 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1010 negate dn -- manipulate it directly.
1012 2006-06-22 Roger Sayle <roger@eyesopen.com>
1013 Steven Bosscher <stevenb.gcc@gmail.com>
1016 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1017 generated by gen_move_insn to add REG_LABEL notes if necessary.
1019 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1021 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1022 (leaf_entry): Remove use of MIN_ESA.
1024 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1026 PR rtl-optimization/28121
1027 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1030 2006-06-21 DJ Delorie <dj@redhat.com>
1032 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1034 (mulhisi3_r): Likewise.
1036 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1039 * coverage.c (coverage_counter_alloc): Leave the index type
1041 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1044 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1046 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1047 section from the "Options for Code Generation Conventions".
1049 2006-06-21 Richard Henderson <rth@redhat.com>
1053 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1055 (global_symbolic_operand): Allow weak symbols, even if local_p.
1057 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1059 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1060 (find_interesting_uses_address): Punt if above function returns true.
1062 2006-06-21 Richard Guenther <rguenther@suse.de>
1064 * configure: Regenerated.
1066 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1068 * config/mips/mips.c (function_arg): Where one part of a
1069 complex argument is in registers and the other part in the stack,
1070 return a REG not a PARALLEL.
1072 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1074 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1075 when cross-compiling. Do not substitute libstdcxx_incdir.
1076 * configure: Regenerated.
1078 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1080 * varasm.c (mergeable_string_section): Check for embedded NULs and
1081 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1082 rather than TREE_STRING_LENGTH bytes.
1084 2006-06-21 Richard Guenther <rguenther@suse.de>
1086 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1087 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1090 2006-06-21 Richrad Guenther <rguenther@suse.de>
1092 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1093 Limit iteration over the dominators.
1095 2006-06-20 Roger Sayle <roger@eyesopen.com>
1097 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1098 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1100 2006-06-20 Richard Guenther <rguenther@suse.de>
1101 Michael Matz <matz@suse.de>
1103 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1105 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1106 * et-forest.h (et_free_pools): Prototype new function.
1107 * et-forest.c (et_free_tree_force): Free parent occurrence.
1108 (et_free_pools): New function.
1109 * dominance.c (free_dominance_info): Free et-forest alloc
1112 2006-06-20 Roger Sayle <roger@eyesopen.com>
1114 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1115 integer modes, attempt to directly construct an integer constant.
1117 * fold-const.c (native_encode_vector): Determine the size of each
1118 element from the vector type instead of the first vector element.
1120 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1121 if all of its elements/components are constant.
1122 (build_constructor_from_list): Likewise.
1124 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1126 PR tree-optimization/27331
1127 * tree-data-ref.c (free_data_ref): New function.
1128 (create_data_ref): Fail if the data reference has unknown access
1130 (free_data_refs): Use free_data_ref.
1132 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1135 * tree-inline.c (setup_one_parameter): Strip useless
1136 type conversion before adding it to the IR.
1137 (declare_return_variable): Likewise.
1139 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1142 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1144 2006-06-19 Mike Stump <mrs@apple.com>
1146 * tree.c (variably_modified_type_p): VM arguments don't make the
1149 2006-06-19 Richard Guenther <rguenther@suse.de>
1151 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1152 type conversions after folding.
1154 2006-06-19 Richard Guenther <rguenther@suse.de>
1156 * ggc-page.c (extra_order_size_tab): Add entries with
1157 size of struct function and basic_block.
1158 (size_lookup): Extend to cover sizes up to 511.
1159 (ggc_alloc_stat): Adjust user.
1160 (ggc_pch_count_object): Likewise.
1161 (ggc_pch_alloc_object): Likewise.
1162 (ggc_pch_write_object): Likewise.
1164 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1166 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1167 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1170 2006-06-19 Denis Chertykov <denisc@overta.ru>
1172 * config/avr/libgcc.S : Correct my wrong previous commit.
1174 2006-06-19 Roger Sayle <roger@eyesopen.com>
1177 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1178 have stripped a SUBREG from the shift count, so we may need to
1179 convert_to_mode back to the type's mode before calling make_tree.
1180 Use new_amount instead of amount to avoid expanding a tree twice.
1182 2006-06-19 Richard Guenther <rguenther@suse.de>
1185 * fold-const.c (operand_equal_p): Check if the argument types
1186 have the same precision before stripping NOPs.
1188 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1190 Fix PR tree-optimization/27341
1191 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1193 * tree-complex.c (pass_lower_complex): Update SMT usage.
1195 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1197 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1198 Add a new alternative to the constraint strings. Add move of
1199 operand 1 to 3 to the splitter definition.
1200 ("doloop_si_long"): Second contraint alternative removed.
1202 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1204 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1205 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1207 (AVR_HAVE_MOVW) Define.
1208 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1209 (ASM_SPEC): Add avr25.
1210 (LINK_SPEC): Add avr25.
1211 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1212 (base_arch_s): Add new member 'have_movw_lpmx'.
1213 (avr_arch_types): Init 'have_movw_lpmx'.
1214 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1215 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1216 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1217 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1218 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1220 (avr_file_start): Do not output '.arh' derective.
1221 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1222 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1223 * config/avr/avr.md (mcu_enhanced): Delete.
1224 (mcu_have_movw): Define.
1225 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1226 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1227 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1228 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1229 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1230 attiny861 and at86rf401 devices.
1232 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1234 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1237 2006-06-17 Karl Berry <karl@gnu.org>
1239 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1240 doc/gccint.texi, doc/install.texi (@dircategory): Use
1241 "Software development" instead of "Programming", following
1242 the Free Software Directory.
1244 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1246 * config/i386/i386.c (legitimate_tls_address)
1247 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1248 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1249 (*tls_dynamic_gnu2_combine_64): Likewise.
1251 2006-06-16 Richard Guenther <rguenther@suse.de>
1254 * fold-const.c (negate_expr_p): Do not introduce undefined
1255 overflow in negating INTEGER_CSTs.
1256 (fold_negate_expr): Rename from negate_expr. Revert last
1257 change for folding BIT_NOT_EXPR. Change semantics to
1258 return NULL_TREE for non-simplified negations. Do not
1259 strip type conversions and unify type handling.
1260 (negate_expr): New function, wrap around fold_negate_expr
1261 but ensure building a tree always. Strip type conversions
1262 here, fold to result type.
1263 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1265 2006-06-16 Roger Sayle <roger@eyesopen.com>
1268 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1269 that (would) return their results in stack registers.
1271 2006-06-16 Michael Matz <matz@suse.de>
1272 Richard Guenther <rguenther@suse.de>
1274 * fold-const.c (fold_truthop): Only return new tree node if
1275 we canonicalized something.
1277 2006-06-16 Richard Guenther <rguenther@suse.de>
1279 * function.h (enum function_frequency): Move declaration
1280 out of struct function.
1281 (struct function): Move bool fields and the enum to the bitfield
1282 section. Reorder elements to avoid padding. Remove unused
1283 fields left over from the RTL inliner removal.
1284 * function.c (free_after_compilation): Do not zero removed fields.
1285 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1286 (ipa-type-escape.o): Likewise.
1288 2006-06-16 Richard Guenther <rguenther@suse.de>
1290 * cgraph.h (struct cgraph_local_info): Turn bool elements
1292 (struct cgraph_node): Likewise.
1293 (struct cgraph_varpool_node): Likewise.
1295 2006-06-15 Richard Guenther <rguenther@suse.de>
1297 * fold-const.c (fold_truth_not_expr): Rename from
1298 invert_truthvalue. Give it fold_* semantics to avoid
1300 (invert_truthvalue): New function. Wrapper around
1301 fold_truth_not_expr.
1302 (optimize_minmax_comparison): Avoid creating garbage.
1303 (fold_unary): Use fold_truth_not_expr for folding
1305 (fold_ternary): Replace uses of invert_truthvalue with
1306 fold_truth_not_expr where applicable.
1307 * tree.h (fold_truth_not_expr): Prototype.
1309 2006-06-16 Richard Guenther <rguenther@suse.de>
1311 PR tree-optimization/27781
1312 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1313 * ipa-pure-const.c (target.h): Include.
1314 (analyze_function): Do not analyze functions that do not
1317 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1320 * tree-dfa.c (referenced_vars_dup_list): Remove.
1321 (find_referenced_vars): Remove assert.
1322 (referenced_var_check_and_insert): Replace dup list with assert.
1323 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1324 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1326 2006-06-15 Richard Guenther <rguenther@suse.de>
1328 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1329 extra unused identifiers if not dumping.
1330 (create_variable_info_for): Likewise.
1332 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1334 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1335 (derive_constant_upper_bound): Derive more precise upper bound in
1336 common cases. Return type changed to double_int.
1337 (record_estimate): Reflect the changed return type of
1338 derive_constant_upper_bound.
1339 * double-int.c (double_int_zext, double_int_sext): Fix.
1341 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1343 * configure.ac (CFLAGS): Get them from the toplevel or from the
1344 configure invocation.
1345 * configure: Regenerate.
1346 * Makefile.in (CFLAGS): Substitute value provided by configure.
1348 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1351 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1352 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1353 rather than calling add_stmt on it.
1354 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1356 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1359 * reload1.c (reload): Remove registers returned by update_eliminables
1360 from used_spill_regs.
1362 2006-06-13 DJ Delorie <dj@redhat.com>
1364 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1366 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1368 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1369 html__strip_dir, html__mkdir_p. Enhance install-html target.
1370 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1371 * configure: Regenerate.
1373 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1375 * fold-const.c (fold_cond_expr_with_comparison): Check for
1376 Objective-C++ as language in deciding COND_EXPR transformation.
1378 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1381 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1382 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1383 * config/sh/lib1funcs.h (SL, SL1): Define.
1384 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1385 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1386 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1387 (OBJS_Os_4_200): New variable.
1388 ($(T)libgcc-Os-4-200.a): Use it.
1389 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1390 when dividing 1 and/or by 0.
1392 2006-06-13 Roger Sayle <roger@eyesopen.com>
1394 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1395 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1396 * configure: Regenerate.
1398 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1400 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1401 for real instruction.
1403 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1406 * haifa-sched.c (check_cfg): Handle special case.
1408 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1411 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1412 Add debug_info parameter. Chain the vars to the BLOCK instead
1413 of the BIND_EXPR if debug info are requested for them.
1414 (pop_gimplify_context): Adjust for above change.
1415 (gimple_add_tmp_var): Likewise.
1416 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1418 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1419 (convert_local_reference): Likewise.
1420 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1421 (finalize_nesting_tree_1): Request that debug info be emitted
1422 for debug_var_chain.
1424 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1426 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1427 for PR target/27863.
1429 2006-06-13 Richard Guenther <rguenther@suse.de>
1432 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1434 2006-06-13 Richard Guenther <rguenther@suse.de>
1436 PR tree-optimization/27830
1437 * tree-inline.c (copy_body_r): For copying the operand
1438 of an ADDR_EXPR make sure to fold &* afterwards.
1440 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1442 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1443 lvalues in the fb_none case with side-effects.
1445 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1447 * tree-flow.h: Remove the prototype for
1448 compute_phi_arg_on_exit.
1449 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1450 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1453 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1455 * builtins.c (expand_builtin_return_addr): Only use
1456 frame_pointer_rtx when count == 0 and we are expanding
1457 __builtin_return_address.
1459 2006-06-12 Fred Fish <fnf@specifix.com>
1461 * config/mips/mips.c (mips_file_start): Create special section
1462 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1464 2006-06-11 Eric Christopher <echristo@apple.com>
1467 * stor-layout.c (place_field): Remove check for
1468 remaining_in_alignment when aligning at the end of a run.
1470 2006-06-11 Eric Christopher <echristo@apple.com>
1473 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1476 2006-06-11 Roger Sayle <roger@eyesopen.com>
1479 Revert incorrect fix for PR target/27158
1480 2006-05-08 Roger Sayle <roger@eyesopen.com>
1481 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1482 of a reg_equiv_constant if the result is a legitimate constant.
1484 2006-06-11 Roger Sayle <roger@eyesopen.com>
1487 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1488 extract a CONST_VECTOR element and interpret it as an integer.
1489 (vspltis_constant): Use const_vector_elt_as_int instead of the
1490 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1491 * config/rs6000/predicates.md (easy_vector_const): Consider
1492 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1494 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1497 * stor-layout.c (update_alignment_for_field): Don't add extra
1498 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1501 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1503 * config/mips/t-rtems: Add EL/EB multilib variants.
1505 2006-06-09 Mike Stump <mrs@apple.com>
1507 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1509 2006-06-09 David Daney <ddaney@avtrex.com>
1511 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1513 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1515 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1517 2006-06-09 Richard Guenther <rguenther@suse.de>
1519 PR tree-optimization/26998
1520 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1521 of signed types, only TYPE_MIN_VALUE is special, but for both,
1522 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1523 in this case, as is -fwrapv.
1525 2006-06-08 Mike Stump <mrs@apple.com>
1528 * config/darwin.c (darwin_asm_output_anchor): Disable
1529 -fsection-anchors on darwin for now.
1530 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1531 * rs6000/rs6000.c (optimization_options): Likewise.
1533 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1536 * config/i386/i386.c (classify_argument): Skip fields with invalid
1539 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1541 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1542 (cse_insn): Likewise for the stack_pointer_rtx.
1544 2006-06-08 Roger Sayle <roger@eyesopen.com>
1546 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1547 conditions from floating point comparisons.
1549 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1552 * expmed.c (struct alg_hash_entry): Fix type of field T
1553 to match synth_mult argument.
1554 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1556 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1559 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1562 2006-06-08 Richard Guenther <rguenther@suse.de>
1565 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1566 only, if overflow is defined and not trapping.
1567 (negate_expr): Likewise.
1569 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1571 PR tree-optimization/27872
1572 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1573 flag on the new exit edge of the unrolled loop.
1575 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1577 PR rtl-optimization/26449
1578 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1580 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1583 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1584 referenced_variables with matching DECL_UID's.
1585 (find_referenced_vars): Make sure duplicate list is empty to start.
1586 (referenced_var_p): Remove.
1587 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1588 Check if var is in the list, and add if needed. Update the duplicate
1589 list if a different var is in the list with the same DECL_UID.
1590 (add_referenced_var): Call routine to check and insert.
1591 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1592 * tree-flow.h (referenced_vars_dup_list): External declaration.
1594 2006-06-07 Fred Fish <fnf@specifix.com>
1596 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1599 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1602 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1603 the imaginary and real parts of a clobbered register.
1604 Emit insn to set the imaginary part.
1606 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1608 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1609 in lieu of unwind-dw2-fde.c.
1611 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1613 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1615 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1618 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1619 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1620 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1621 V4SImode temporaries and operations instead.
1623 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1625 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1628 2006-06-06 Mike Stump <mrs@apple.com>
1630 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1631 installing during build.
1633 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1635 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1637 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1638 * config/ia64/ia64.c (params.h): New header.
1639 (ia64_optimization_options): New function to adjust parameters.
1640 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1641 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1642 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1644 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1646 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1648 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1651 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1653 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1654 Victor Kaplansky <victork@il.ibm.com>
1656 PR tree-optimization/26360
1657 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1660 2006-06-04 Roger Sayle <roger@eyesopen.com>
1661 Andrew Pinski <pinskia@physics.uc.edu>
1664 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1665 for LABEL_DECL before calling DECL_WEAK.
1668 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1669 LABEL_DECL and PARM_DECL.
1671 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1675 * c-decl.c (grokdeclarator): Disallow variably modified types at
1676 file scope. Avoid marking shared array type of constant size as
1679 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1682 * c-common.c (fold_offsetof_1): Handle static members.
1684 2006-06-04 Eric Christopher <echristo@apple.com>
1686 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1687 (debug_rli): Output value for remaining_in_alignment.
1688 (update_alignment_for_field): Unconditionalize
1689 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1690 extra alignment code.
1691 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1692 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1693 * tree.h (record_layout_info_s): Remove prev_packed.
1694 * doc/extend.texi (ms_struct): Add documentation of format.
1696 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1698 * tree.h: Declare folding_initializer.
1699 * builtins.c (fold_builtin_constant_p): Give definite answer
1700 if folding inside an initializer.
1701 * fold-const.c: Define folding_initializer.
1702 (START_FOLD_INIT): Save and then set folding_initializer.
1703 (END_FOLD_INIT): Restore folding_initializer.
1705 2006-06-04 Richard Guenther <rguenther@suse.de>
1707 PR tree-optimization/27039
1708 * fold-const.c (fold_comparison): Handle pointer comparison
1709 again for all comparison codes. Compare offsets in signed
1711 (fold_binary): Move code from here.
1713 2006-06-03 Roger Sayle <roger@eyesopen.com>
1716 * config/i386/i386.c (construct_container): Split static issued_error
1717 flag into issued_sse_arg_error, issued_sse_ret_error and
1718 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1719 requires the use of x87 registers and the user explicitly
1720 specified the -mno-80387 command line option.
1722 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1724 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1725 HAVE_DECL_SIGALTSTACK.
1727 (segv_handler): Use MC_FLD.
1728 * configure.ac: Check for a sigaltstack declaration.
1729 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1730 * configure: Regenerate.
1731 * config.in: Regenerate.
1733 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1736 * Makefile.in (stmp-fixinc): Fix typo.
1738 2006-06-02 Roger Sayle <roger@eyesopen.com>
1740 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1741 are type correct. Clean-up.
1742 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1743 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1745 2006-06-01 DJ Delorie <dj@redhat.com>
1747 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1748 shift, as we've disabled the "switch" insn that needs it.
1750 2006-06-01 Per Bothner <bothner@bothner.com>
1752 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1753 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1754 * c-ppoutput.c (cb_define): Don't increment line 0.
1756 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1758 * doc/invoke.texi: Add cpu_type power6.
1759 * config.gcc: Add cpu_type power6.
1760 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1761 to power5+ with Altivec.
1762 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1763 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1765 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1767 * config/avr/avr.h (SET_ASM_OP): Define.
1769 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1771 * config/bfin/bfin.c: Fix comment typos.
1773 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1776 * doc/install.texi: Document --enable-bootstrap and
1777 --disable-bootstrap.
1779 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1781 * doc/install.texi: Document that InfoZIP can replace jar.
1783 2006-05-31 Roger Sayle <roger@eyesopen.com>
1785 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1786 isn't available, directly generate the simpler x87 patterns without
1787 the (use (const_int 0)).
1788 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1789 implementation isn't available.
1790 (*negdf2_1): Likewise.
1791 (*negxf2_1): XF mode negation is always done using the x87.
1792 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1794 2006-05-31 Roger Sayle <roger@eyesopen.com>
1796 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1797 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1799 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1801 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1803 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1804 * config/bfin/bfin.c (basic-block.h): Include.
1805 (struct machine_function): New.
1806 (bfin_init_machine_status): New.
1807 (override_options): Initialize init_machine_status.
1808 (bfin_hardware_loop): New.
1809 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1810 (DEF_VEC_P (loop_info)): New.
1811 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1812 (struct loop_info): New.
1813 (loop_info): New typedef.
1814 (struct loop_work): New.
1815 (loop_work): New typedef.
1816 (DEF_VEC_O (loop_work)): New.
1817 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1818 (bfin_dump_loops): New.
1819 (bfin_bb_in_loop): New.
1820 (bfin_scan_loop): New.
1821 (bfin_optimize_loop): New.
1822 (bfin_reorg_loops): New.
1823 (bfin_reorg): Use bfin_reorg_loops.
1824 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1826 (I_REGNO_P): Simplify.
1827 (DP_REGNO_P, DPREG_P): New macros.
1828 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1829 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1830 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1831 Add LT_REGS, LC_REGS, LB_REGS.
1832 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1834 (REGNO_REG_CLASS): Deal with loop registers.
1835 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1837 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1838 New constants for loop registers.
1839 (UNSPEC_LSETUP_END): New.
1840 (seq_insns): New define_attr. Set it for appropriate insns.
1841 (movsi_insn): Add alternatives for move from/to
1842 loop count registers.
1843 (doloop_end): New define_expand.
1844 (loop_end): New define_insn.
1845 (define_split for bad doloop_end): New.
1846 (lsetup_with_autoinit): New define_insn.
1847 (lsetup_without_autoinit): New define_insn.
1848 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1849 * config/bfin/predicates.md (lc_register_operand): New.
1850 (lt_register_operand): New.
1851 (lb_register_operand): New.
1852 (nondp_register_operand): New.
1853 (nondp_reg_or_memory_operand): New.
1854 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1856 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1858 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1859 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1861 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1863 * Makefile.in (CATALOGS): Add po/ prefix.
1864 * configure: Regenerated.
1866 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1869 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1870 a shift operand before calling shift_op. Avoid redundant call of
1873 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1874 DJ Delorie <dj@redhat.com>
1876 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1877 we're inserting is a singlt-bit constant.
1879 2006-05-30 Roger Sayle <roger@eyesopen.com>
1881 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1882 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1884 2006-05-30 Roger Sayle <roger@eyesopen.com>
1886 PR tree-optimization/23452
1887 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1888 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1889 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1890 complex values and with -ffast-math for FP complex values.
1892 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1894 * c-common.h: Remove the prototype for yyparse.
1895 * rtl.h: Remove the prototype for init_loop.
1897 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1899 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1902 2006-05-30 Roger Sayle <roger@eyesopen.com>
1904 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1906 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1907 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1909 2006-05-30 Dirk Mueller <dmueller@suse.de>
1912 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1913 for CONSTANT_CLASS_P expresisons.
1915 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1918 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1920 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1922 PR tree-optimization/27779
1923 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1924 initial_condition instead of CHREC_LEFT.
1926 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1928 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1929 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1930 Make prototypes ISO C90.
1932 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1933 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1935 * see.c (see_analyze_one_def): Correct check.
1936 (see_get_extension_data): Check if extension is parallel.
1937 (see_get_extension_reg): Likewise.
1939 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1942 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1943 into register for (code == GTU).
1945 2006-05-29 Roger Sayle <roger@eyesopen.com>
1947 PR tree-optimization/24964
1948 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1949 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1950 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1951 abs(x)*abs(x) as x*x for scalar floating point modes.
1953 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1956 * lambda-code.c (perfect_nestify): Don't copy statements
1957 in the inner loop: move them to the inner loop header.
1959 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1962 * c-tree.texi: Document OpenMP directives and clauses.
1964 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1966 * varasm.c (globalize_decl): Fix indentation.
1968 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1971 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1972 pass_fre, pass_store_ccp, pass_copy_prop,
1973 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1974 pass_return_slot, pass_object_size, pass_lim,
1975 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1976 pass_loop_prefetch and pass_stdarg.
1978 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1980 * config/bfin/bfin.opt (mfdpic): New option.
1981 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1982 (EXTRA_MULTILIB_PARTS): Likewise.
1983 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1984 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1986 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1987 (CRT_CALL_STATIC_FUNCTION): New.
1988 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1990 (CRT_CALL_STATIC_FUNCTION): New.
1991 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1993 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1994 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1995 (initialize_trampoline): Changed to handle FD-PIC code generation.
1996 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1997 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1998 (override_options): Disallow -mid-shared-library -mfdpic combination.
1999 Can't do unaligned ops if FD-PIC.
2000 Turn off flag_pic if trying to generate non-id-shared-library
2001 non-fdpic code, since it's not supported.
2002 (bfin_assemble_integer): New function.
2003 (TARGET_ASM_INTEGER): Define.
2004 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2006 * config/bfin/crtn.s: Restore them.
2007 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2009 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2010 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2011 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2012 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2013 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2015 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2016 FDPIC_REGS and FDPIC_FPTR_REGS.
2017 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2018 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2019 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2020 (load_funcdescsi): New pattern.
2021 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2022 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2023 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2025 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2027 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2030 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2032 * tree-flow.h: Remove the prototype for add_type_alias.
2033 * tree-ssa-alias.c (add_type_alias): Remove.
2035 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2037 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2038 config/fr30/fr30.md, config/i386/i386-interix.h,
2039 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2040 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2041 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2042 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2043 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2044 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2045 Follow spelling conventions.
2046 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2047 Follow spelling conventions.
2049 2006-05-27 Richard Guenther <rguenther@suse.de>
2052 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2053 to produce a constant of value 1 of generic type.
2055 2006-05-27 Dirk Mueller <dmueller@suse.de>
2057 * cgraphunit.c (decide_is_function_needed): Fix wrong
2060 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2062 PR rtl-optimization/27661
2063 * reload.c (find_reloads): When reloading a VOIDmode constant
2064 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2065 use Pmode as mode of the reload register.
2067 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2069 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2070 is enabled at -O and above.
2072 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2075 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2078 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2081 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2082 for anonymous variables explicitly declared by front ends.
2084 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2086 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2087 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2088 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2089 ref-all pointers, run a finalization pass for them.
2090 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2091 (finalize_ref_all_pointers): New function.
2092 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2093 regular pointer type to a ref-all pointer type.
2094 (get_tmt_for): Return the special memory tag for ref-all pointers.
2096 2006-05-25 Richard Guenther <rguenther@suse.de>
2099 * fold-const.c (fold_binary): Do not look at the stripped
2100 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2102 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2104 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2105 for LT and GT if the computed range is effectively empty.
2107 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2110 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2111 mips_quad_format formats instead of ieee_single_format,
2112 ieee_double_format and ieee_quad_format formats, respectively.
2114 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2116 PR tree-optimization/27639
2117 PR tree-optimization/26719
2118 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2119 call to scev_probably_wraps_p.
2120 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2121 used_in_pointer_arithmetic_p, convert_step): Removed.
2122 (nowrap_type_p): New function.
2123 (scev_probably_wraps_p): Rewritten.
2124 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2125 chrec_convert if chrec_convert_aggressive might have been used.
2126 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2127 scev_direction): New functions.
2128 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2129 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2130 instead of convert_step.
2131 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2132 (convert_step): Declaration removed.
2133 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2135 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2137 * df-core.c: Added to header comments.
2138 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2139 df_ur_bb_info, df_urec_bb_info): Added comments.
2140 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2141 urec, ri problems): Fixed header comments.
2142 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2143 code from df_rd_transfer_function.
2145 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2147 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2148 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2149 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2151 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2153 * expr.c (undefined_operand_subword_p): New.
2154 (emit_move_multi_word): Do not generate move from undefined bits
2155 of a paradoxical subreg.
2157 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2159 PR rtl-optimization/27736
2160 * combine.c (replaced_rhs_value): New variable.
2161 (combine_instructions): Set it.
2162 (distribute_notes): When distributing a note in replaced_rhs_insn,
2163 check whether the value was used in replaced_rhs_value.
2165 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2168 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2169 add_referenced_var instead of add_referenced_tmp_var.
2170 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2171 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2173 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2174 tree_optimize_tail_calls_1): Use add_referenced_var.
2175 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2176 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2177 Use add_referenced_var.
2178 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2179 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2180 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2181 Use add_referenced_var.
2182 * tree-dfa.c (struct walk_state): Remove.
2183 (find_referenced_vars): Remove walk state and vars_found hash table.
2184 (make_rename_temp): Use add_referenced_var.
2185 (find_vars_r): Pass less parameters to add_referenced_var.
2186 (referenced_var_p): New. Is var in referenced_var hash table.
2187 (referenced_var_insert): Assert var isn't already in hash table.
2188 (add_referenced_var): Don't need walk_state parameter. Add var if it
2189 isn't already in the hash table.
2190 (add_referenced_tmp_var): Remove.
2191 (find_new_referenced_vars_1): Use add_referenced_var.
2192 * tree-ssa-pre.c (create_expression_by_pieces,
2193 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2194 Use add_referenced_var.
2195 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2196 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2197 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2199 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2200 vect_create_data_ref_ptr, vect_create_destination_var,
2201 vect_init_vector, vect_build_loop_niters,
2202 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2203 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2204 Use add_referenced_var.
2205 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2206 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2207 (add_referenced_var): Add prototype.
2208 * tree-ssa-structalias.c (get_constraint_for,
2209 intra_create_variable_infos): Use add_referenced_var.
2211 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2213 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2214 big-endian paradoxical subregs.
2215 * var-tracking.c (struct micro_operation_def): Document that,
2216 for modify micro operations, insn is the subsequent instruction.
2217 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2218 (var_reg_set, var_mem_set): ... new functions.
2219 (add_stores): Record subsequent insn.
2220 (compute_bb_dataflow): Use new functions for MO_USE.
2221 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2222 notes after the insn, and modify notes before the insn known
2223 to be the subsequent one.
2224 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2226 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2229 * config/i386/i386.c (ix86_expand_builtin): Use
2230 gen_sse3_monitor64 for TARGET_64BIT.
2232 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2234 PR rtl-optimization/26375
2235 PR rtl-optimization/26855
2236 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2238 (df_ru_bb_local_compute): Reversed statements and removed bogus
2239 comment explaining why they should be in wrong order.
2240 (df_ru_dump, df_rd_dump): Enhanced debug info.
2241 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2243 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2244 reaching uses and fixed space problem.
2246 2006-05-23 Jan Hubicka <jh@suse.cz>
2248 * cgraphunit.c (decide_is_function_needed): Also nested functions
2249 and functions declared inline can be optimized out at -O0.
2251 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2253 * doc/install.texi (Configuration): Remove reference to CrossGCC
2257 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2260 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2261 ix86_compare_emitted is non-NULL.
2263 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2266 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2269 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2271 PR rtl-optimization/25514
2272 * combine.c (replaced_rhs_insn): New variable.
2273 (combine_instructions): Set replaced_rhs_insn when trying to replace
2274 a SET_SRC with a REG_EQUAL note.
2275 (distribute_notes): Use replaced_rhs_insn when determining the live
2276 range of a REG_DEAD register.
2278 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2279 Anatoly Sokolov <aesok@post.ru>
2281 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2282 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2283 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2284 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2285 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2286 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2287 at90usb647, at90usb1286 and at90usb1287 devices.
2288 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2289 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2291 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2293 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2295 2006-05-22 Richard Guenther <rguenther@suse.de>
2298 2006-01-31 Richard Guenther <rguenther@suse.de>
2299 Paolo Bonzini <bonzini@gnu.org>
2301 * doc/install.texi (--disable-libgcc-math): Document.
2303 2006-05-22 Richard Guenther <rguenther@suse.de>
2306 2006-01-31 Richard Guenther <rguenther@suse.de>
2308 * doc/invoke.texi (-msselibm): Document.
2309 * target.h (expand_library_builtin): New target hook.
2310 * builtins.c (expand_builtin): Use expand_library_builtin.
2311 (default_expand_library_builtin): New function.
2312 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2313 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2314 (link_gcc_math_spec): Declare.
2315 (static_specs): Add link_gcc_math_spec.
2316 * expr.h (default_expand_library_builtin): Declare.
2317 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2318 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2319 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2320 * config/i386/i386.opt (msselibm): New target option.
2321 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2322 (ix86_init_sse_abi_builtins): New function.
2323 (ix86_expand_library_builtin): Likewise.
2324 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2325 (override_options): Handle error conditions wrt -msselibm.
2326 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2327 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2328 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2331 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2334 * c-common.c (self_promoting_args_p): Skip erroneous args.
2337 * c-decl.c (finish_struct): Skip erroneous fields.
2339 2006-05-22 Nick Clifton <nickc@redhat.com>
2341 * config/cris/cris.opt (march): Remove VarExists attribute.
2342 (max-stackframe=): Likewise.
2344 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2346 * doc/rtl.texi: Fix a typo.
2347 * see.c: Fix comment typos.
2349 * tree-ssa-structalias.h (alias_info): Remove num_references.
2351 2006-05-21 Mike Stump <mrs@apple.com>
2353 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2355 (darwin_pragma_options): Use BAD instead.
2356 (darwin_pragma_unused): Likewise.
2357 (darwin_pragma_ms_struct): Likewise.
2359 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2361 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2363 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2365 PR rtl-optimization/27671
2366 * simplify-rtx.c (simplify_relational_operation_1): Fix
2367 simplifications of (eq/ne (xor x y) y) and
2368 (eq/ne (xor x y) x).
2370 PR tree-optimization/26622.
2371 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2374 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2376 * tree-cfg.c: Prune whitespace.
2377 (debug_tree_cfg): Point to correct header containing the
2380 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2383 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2385 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2388 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2389 or sorry count is non zero.
2391 2006-05-20 Andreas Schwab <schwab@suse.de>
2393 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2395 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2396 Kenneth Zadeck <zadeck@naturalbridge.com>
2398 PR rtl-optimization/26855
2400 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2402 (df_scan_alloc): Added code to properly handle multiword hard
2403 registers and add all_blocks parameter.
2404 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2405 code to properly handle multiword hard registers.
2406 (df_rescan_blocks): Added code to remove deleted blocks from
2408 (df_ref_create_structure, df_ref_record): Added code to properly
2410 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2411 and set DF_REF_PARTIAL.
2412 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2413 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2414 (df_scan_add_problem): Added flags parameter.
2415 (df_ref_create_structure): Changed switching structure.
2416 (df_bb_refs_record): Fixed case where duplicate artificial refs
2417 were created. Changed location of flags.
2418 (df_record_entry_block_defs): Added code to make stack pointer
2419 live in entry block. Refined cases where frame pointer is needed.
2420 Changed location of flags.
2421 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2422 (df_set_state): Removed function.
2423 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2424 df_insn_create_insn_record, df_insn_refs_delete,
2425 df_ref_create_structure): Formatting changes.
2426 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2427 df_delete_basic_block): New function.
2428 (df_init): Changed location of flags.
2429 (df_add_problem): Added flags parameter and the way flags are
2431 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2432 debug_df_chain): Improved debugging output.
2433 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2434 (df_refs_chain_dump): Removed df parameter.
2435 (df_iterative_dataflow): Added consistency check.
2436 (df_prune_to_subcfg): Made public.
2437 (df_analyze_problem): Added blocks_to_init parameter and made
2439 (df_ref_record, df_bb_refs_record, df_mark_reg,
2440 df_record_exit_block_uses): Whitespace changes.
2441 (df_dump): Whitespace changes.
2442 * df.h: Some reordering to remove forward references.
2443 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2444 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2445 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2446 (dataflow.flags): New field.
2447 (df.flag): Deleted field.
2448 (df_alloc_function): Added additional bitmap parameter.
2449 (df_dependent_problem_function): New type.
2450 (df_problem.changeable_flags): New field.
2451 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2452 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2453 (df_mw_hardreg): New struct.
2454 (DF_INSN_UID_MWS): New macro.
2455 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2457 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2458 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2459 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2460 (df_set_state): Removed function.
2461 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2462 * df-problems.c (df_chain_dump): Removed df parameter.
2463 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2464 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2466 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2467 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2468 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2469 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2470 DF_REF_MUST_CLOBBER cases.
2471 (df_ru_bb_local_compute_process_def,
2472 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2473 df_lr_bb_local_compute, df_ur_bb_local_compute,
2474 df_chain_create_bb): Made subreg aware.
2475 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2476 df_lr_bb_local_compute, df_lr_bb_local_compute,
2477 df_chain_create_bb): Cleanup to use proper macros.
2478 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2479 code to fixup bitvectors.
2480 (df_ri_alloc): Cleared lifetime.
2481 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2482 df_create_unused_note): New function.
2483 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2484 REG_DEAD and REG_UNUSED notes as well as register information.
2485 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2486 df_chains_dump): Fixed crash if problem was never run.
2487 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2488 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2489 df_ri_add_problem): Processes flags in uniform manner.
2490 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2491 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2492 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2493 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2494 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2495 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2496 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2497 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2498 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2499 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2500 * see.c (see_initialize_data): Ditto.
2501 * final.c (rest_of_clean_state) Added regstack_completed.
2502 * rtl.h (regstack_completed): Ditto.
2503 * reg-stack.c (regstack_completed): Ditto.
2505 2006-05-19 Mike Stump <mrs@apple.com>
2507 * c-tree.h (default_conversion): Remove.
2508 * c-common.h (default_conversion): Add.
2510 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2512 * tree-vrp.c (valid_value_p): New function.
2513 (adjust_range_with_scev): Fail if the value of bound is not
2516 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2518 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2519 (mips_fallback_frame_state): Use syscall numbers to determine
2520 the appropriate li instruction for the current ABI. Only use
2521 __NR_sigreturn for o32.
2523 2006-05-19 Nicolas Setton <setton@adacore.com>
2525 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2526 * langhooks.c (lhd_dwarf_name): New function.
2527 * langhooks-def.h (lhd_dwarf_name): Declare.
2528 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2529 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2530 * ada/misc.c (gnat_dwarf_name): New function.
2531 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2533 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2535 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2537 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2538 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2539 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2540 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2541 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2542 determine the size of Wtype, etc.
2543 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2544 (swfloatfuncs): New variable.
2545 (dwfloatfuncs): Likewise.
2546 (lib2funcs): Remove floating-point conversion functions from
2547 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2548 the set of conversion routines needed. Allow entries to specify
2549 an object name, filename and word size. Update users accordingly.
2550 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2551 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2555 2006-02-08 Roger Sayle <roger@eyesopen.com>
2558 * config/fixtfdi.c: New libgcc source file.
2559 * config/fixunstfdi.c: New source file.
2560 * config/floatditf.c: New source file.
2561 * config/floatunditf.c: New souce file.
2562 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2563 files above instead of config/mips/_tilib.c.
2564 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2566 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2568 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2569 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2571 2006-05-18 Mike Stump <mrs@apple.com>
2573 Fix up vla, vm and [*] sematics.
2579 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2580 (c_vla_unspec_p): Add.
2581 (c_vla_type_p): Add.
2582 * c-decl.c (struct c_scope): Add had_vla_unspec.
2583 (build_array_declarator): Add support for [*].
2584 (grokdeclarator): Likewise.
2585 (grokparms): Likewise.
2586 (get_parm_info): Likewise.
2587 * c-objc-common.c (c_vla_unspec_p): Likewise.
2588 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2589 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2590 typeof when argument is a variably modified type not inside sizeof or alignof.
2591 (c_parser_direct_declarator_inner): Propagate errors.
2592 (c_parser_sizeof_expression): Add support for [*].
2593 (c_parser_parms_declarator): Initialize had_vla_unspec.
2594 (c_parser_parms_list_declarator): Likewise.
2595 * c-typeck.c (c_vla_type_p): Add.
2596 (composite_type): Add support for vla compositing.
2597 (comptypes_internal): Add support for vla compatibility.
2598 (c_expr_sizeof_expr): Evaluate vla arguments.
2599 * tree.c (variably_modified_type_p): Update comment for [*].
2601 2006-05-18 Michael Matz <matz@suse.de>
2604 * config.host: Make assignments to host_xmake_file cumulative.
2605 * config.host (*-darwin*): Test $host, not $target.
2607 2006-05-12 Stuart Hastings <stuart@apple.com>
2609 * config/i386/i386.opt (-mstackrealign): New flag.
2610 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2611 (ix86_handle_cconv_attribute): Emit error when
2612 force_align_arg_pointer attribute collides with too many regparms.
2613 (ix86_function_regparm): Limit regparms when used with
2614 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2615 Support stack-realigning prologue in non-main functions. Emit
2616 warning for nested functions under -mstackrealign, emit error for
2617 nested functions with force_align_arg_pointer attribute.
2618 * doc/extend.texi (force_align_arg_pointer): Document it.
2619 * doc/invoke.texi (-mstackrealign): Document it.
2621 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2623 PR rtl-optimization/27477
2624 * combine.c (try_combine): Don't split a parallel consisting
2625 of two sets into two individual sets if both sets reference
2628 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2630 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2631 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2633 * doc/options.texi (VarExists): Updated.
2635 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2637 * unwind-dw2.c: Add declarations for uw_update_context and
2639 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2640 detected, advance frame state and context once to skip over stub.
2642 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2646 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2647 Call rewrite_into_loop_closed_ssa only when something changed.
2648 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2649 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2650 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2651 Test for perfect_nest_p here. Fix formating.
2652 (replace_uses_equiv_to_x_with_y): Fix formating.
2653 (stmt_uses_op): Removed.
2654 (can_convert_to_perfect_nest): Removed loopivs parameter.
2655 Complete the test by checking the scalar dependences.
2656 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2659 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2662 From Dan Kegel <dank@kegel.com>:
2663 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2665 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2667 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2668 if the element type is variably modified without recursing.
2670 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2673 * tree-loop-linear.c (try_interchange_loops): Test for
2674 no data dependences.
2676 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2678 PR tree-optimization/27548
2679 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2680 range of ssa names that appear on abnormal edges.
2681 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2682 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2684 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2687 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2689 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2692 * tree.h (OMP_PARALLEL_COMBINED): Define.
2693 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2694 (new_omp_context): Add is_combined_parallel argument.
2695 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2696 new_omp_context caller.
2697 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2698 Adjust gimplify_scan_omp_clauses callers.
2699 (omp_is_private): Issue errors if iteration variable is firstprivate
2700 or reduction in the current context.
2701 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2702 on combined parallel workshare constructs.
2704 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2706 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2707 (gcc-options.o): New rule.
2709 * optc-gen.awk: Protect variables for gcc-options.o with
2710 #ifdef GCC_DRIVER/#endif.
2712 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2714 Fix PR tree-optimization/27373
2715 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2716 (forward_propagate_addr_expr): Update call.
2718 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2720 * doc/options.texi: Move the Negative option.
2722 2006-05-16 Richard Guenther <rguenther@suse.de>
2724 PR tree-optimization/22303
2725 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2727 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2728 ccp_fold did not simplify the statement.
2730 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2733 * Makefile.in (GCC_OBJS): New.
2734 (OBJS-common): Add opts-common.o.
2735 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2736 (cpp$(exeext)): Likewise.
2737 (gcc.o): Also depend on opts.h.
2738 (opts-common.o): New.
2740 * common.opt (gcoff): Add Negative(gdwarf-2).
2741 (gdwarf-2): Add Negative(gstabs).
2742 (gstabs): Add Negative(gstabs+).
2743 (gstabs+): Add Negative(gvms).
2744 (gvms): Add Negative(gxcoff).
2745 (gxcoff): Add Negative(gxcoff+).
2746 (gxcoff+): Add Negative(gcoff).
2747 * config/i386/i386.opt (m32): Add Negative(m64).
2748 (m64): Add Negative(m32).
2750 * doc/options.texi: Document the Negative option.
2752 * gcc.c: Include "opts.h".
2753 (main): Call prune_options after expandargv.
2755 * optc-gen.awk: Generate common declarations for all flag
2756 variables in options.c. Output the neg_index field.
2758 * opts.c (find_opt): Moved to ...
2759 * opts-common.c: Here. New file.
2761 * opts.h (cl_option): Add a neg_index field.
2763 (prune_options): Likewise.
2765 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2768 * omp-low.c (expand_omp_parallel): Don't assert
2769 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2770 instead search for it.
2773 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2776 2006-05-16 Andreas Schwab <schwab@suse.de>
2778 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2781 2006-05-15 Roger Sayle <roger@eyesopen.com>
2784 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2785 integer constants other than zero are only legitimate on TARGET_64BIT.
2786 <CONST_VECTOR> Only zero vectors are legitimate.
2787 (ix86_cannot_force_const_mem): Integral and vector constants can
2788 always be put in the constant pool.
2790 2006-05-16 DJ Delorie <dj@redhat.com>
2792 * crtstuff.c (__dso_handle): Set section from
2793 TARGET_LBIGCC_SDATA_SECTION if defined.
2794 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2795 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2797 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2800 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2803 2006-05-16 Ben Elliston <bje@au.ibm.com>
2805 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2807 2006-05-15 Per Bothner <per@bothner.com>
2809 * tree.c: (last_annotated_node): Use source_locus typedef.
2810 This permits bootstrapping with --enable-mapped-location.
2812 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2814 PR tree-optimization/26830
2815 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2816 (info_for_ssa_name, current_info_for_ssa_name_age,
2817 blocks_to_update): New variables.
2818 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2819 (clear_ssa_name_info, initialize_flags_in_bb,
2820 mark_block_for_update): New functions.
2821 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2822 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2823 prepare_def_site_for): Use mark_block_for_update.
2824 (mark_def_interesting): Assert that the processed block is marked in
2825 blocks_to_update. Do not take blocks argument.
2826 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2828 (rewrite_update_init_block, rewrite_update_stmt): Only process
2829 blocks with statements to rewrite.
2830 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2831 (update_ssa): Initialize and free blocks_to_update. Do not
2832 clear flags on statements. Do not use blocks bitmap.
2833 * tree.h (SSA_NAME_AUX): Removed.
2834 (struct tree_ssa_name): Removed aux field.
2835 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2837 2006-05-15 Richard Guenther <rguenther@suse.de>
2839 PR tree-optimization/27603
2840 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2841 Do computations in original type.
2843 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2845 * see.c: Code style changes such as redundant paranthesis,
2846 redundant intialization of local variables etc.
2847 (see_main): Declared now as static.
2848 * doc/invoke.texi: Update that -fsee is not enabled by
2851 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2853 * omp-low.c (check_omp_nesting_restrictions): New function.
2854 (scan_omp_1): Call it.
2857 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2858 construct, return *VAR.
2860 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2862 PR rtl-optimization/27406
2863 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2866 2006-05-14 Roger Sayle <roger@eyesopen.com>
2868 PR rtl-optimization/27538
2869 * combine.c (expand_compound_operation): Call gen_lowpart
2870 before calling simplify_shift_const.
2872 2006-05-14 Roger Sayle <roger@eyesopen.com>
2874 PR rtl-optimization/22563
2875 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2876 a fixed width bitfield, always force the intermediates into psuedos.
2878 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2881 * mkconfig.sh: Use operator = instead of == for test.
2883 2006-05-13 Nick Clifton <nickc@redhat.com>
2885 * dwarf2out.c (dbx_reg_number): Check return value from
2886 LEAF_REG_REMAP and only use it if it is valid.
2887 (multiple_reg_loc_descriptor): Likewise.
2889 2006-05-13 Richard Guenther <rguenther@suse.de>
2891 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2894 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2896 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2897 information attached to non-INSNs such as NOTEs.
2898 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2900 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2902 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2904 * config/s390/s390.md: Adjust comment describing On constraint.
2906 2006-05-11 Jan Hubicka <jh@suse.cz>
2908 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2909 to be output at -O0.
2911 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2914 * fold-const.c (size_binop): Move sanity check for arguments to
2915 the beginning of the function.
2918 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2921 2006-05-11 Richard Guenther <rguenther@suse.de>
2924 * fold-const.c (fold_unary): Handle intermediate conversion
2925 to a pointer type like intermediate conversion to an integer
2926 type in folding of (T1)(T2)var to var.
2927 Match the code to the comment in the final conversion for
2928 (T1)(T2)var to (T1)var regarding to type precision. Rather
2929 than disallow T1 being of pointer type, assert that both T1
2930 and var are of pointer type or not. Make sure not to fall
2931 over the frontends lazyness wrt array to pointer decay though.
2933 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2935 * arm.c (arm_struct_value_rtx): Delete.
2936 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2937 (arm_init_cumulative_args): Always initialize nregs to zero.
2939 2006-05-10 Richard Guenther <rguenther@suse.de>
2941 PR tree-optimization/27532
2942 * tree-object-size.c (plus_expr_object_size): Fix typo.
2944 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2947 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2948 ashrdi_const, ashrdi3): Use a scratch register.
2950 2006-05-10 Richard Guenther <rguenther@suse.de>
2952 PR tree-optimization/27302
2953 * fold-const.c (operand_equal_p): For two comparisons,
2954 try comparison of one comparison code swapped if that yields
2957 2006-05-10 Ben Elliston <bje@au.ibm.com>
2959 * tree-pretty-print.c (pretty_print_string): No need to handle
2960 '\0' as a special character.
2962 * tree.h: Include "hashtab.h".
2963 (iterative_hash_expr): Use hashval_t in its prototype.
2964 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2966 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2969 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2970 (hppa*64*-*-hpux11*): Ditto.
2971 (hppa[12]*-*-hpux11*): Ditto.
2973 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2976 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2978 2006-05-09 Michael Matz <matz@suse.de>
2980 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2981 host_extra_gcc_objs and host_xmake_file.
2982 (<*-*-linux*>): Don't overwrite host_xmake_file.
2983 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2984 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2985 (host_detect_local_cpu): Declare.
2986 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2987 * config/i386/i386.c (override_options): Handle -mtune=native
2989 * config/i386/x-i386: New file.
2990 * config/i386/driver-i386.c: New file.
2991 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2994 2006-05-09 Dirk Mueller <dmueller@suse.de>
2995 Richard Guenther <rguenther@suse.de>
2998 * fold-const.c (fold_read_from_constant_string): Relax check
2999 for matching types to matching modes.
3001 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3003 PR rtl-optimization/27335
3004 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3007 2006-05-08 Chao-ying Fu <fu@mips.com>
3008 Richard Sandiford <richard@codesourcery.com>
3010 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3011 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3012 * config/mips/mips.md (UNSPEC_SCC): New constant.
3013 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3014 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3015 (mips_emit_compare): Use it.
3016 (mips_expand_vcondv2sf): New function.
3018 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3020 Fix PR tree-optimization/27093
3021 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3022 renaming when they become not-used_alone.
3024 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3026 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3027 relocation and relocation stubs.
3029 2006-05-08 Eric Christopher <echristo@apple.com>
3031 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3034 2006-05-08 Jan Hubicka <jh@suse.cz>
3037 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3038 unused static functions are needed.
3040 2006-05-08 Roger Sayle <roger@eyesopen.com>
3043 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3044 of a reg_equiv_constant if the result is a legitimate constant.
3046 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3049 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3050 standard 80387 constants, raise the cost to prevent
3051 compress_float_constant() to generate load from memory.
3053 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3055 * config/arm/constraints.md (c): Fix a typo.
3057 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3060 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3063 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3065 (_mm_mwait): Likewise.
3067 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3069 (sse3_monitor): Make it 32bit only.
3070 (sse3_monitor64): New. 64bit monitor.
3072 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3075 * config/i386/i386.c (classify_argument): Skip fields with invalid
3078 2006-05-07 Richard Guenther <rguenther@suse.de>
3080 PR tree-optimization/27409
3081 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3082 Do not try to find zero-sized subvars.
3084 2006-05-07 Richard Guenther <rguenther@suse.de>
3086 PR tree-optimization/27136
3087 * tree-ssa-loop-niter.c (get_val_for): Correct function
3088 comment, assert requirements.
3089 (loop_niter_by_eval): Stop processing if the iterated
3090 value did not simplify.
3092 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3094 * opts.c (flag_see): remove its setting at -O3.
3096 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3098 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3099 * arm/constraints.md: New file.
3100 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3101 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3102 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3103 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3104 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3105 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3106 * arm.md: Include constraints.md.
3107 (thumb_movsi_insn): Use satisfies_constraint_J.
3108 (movhi, movqi): Use satisfies_constraint_I.
3110 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3112 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3113 for atmeg a645 device.
3115 2006-05-06 Richard Guenther <rguenther@suse.de>
3117 PR tree-optimization/27151
3118 * tree-vect-transform.c (vectorizable_condition): Punt on
3119 values that have a different type than the condition.
3121 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3124 * c-parser.c (c_parser_cast_expression): Only insert casts into
3125 hash table if pointer.
3126 * function.c (used_types_insert_helper): Rename from
3128 (used_types_insert): Call used_types_insert_helper.
3129 * function.h (used_types_insert): Accept only one argument.
3131 2006-05-05 David Edelsohn <edesohn@gnu.org>
3133 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3134 scratch with output modifier.
3136 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3139 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3140 with output modifier.
3142 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3145 * config/mips/mips.c (mips_symbolic_address_p): Return true
3146 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3147 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3149 2006-05-04 Richard Guenther <rguenther@suse.de>
3151 PR tree-optimization/14287
3152 PR tree-optimization/14844
3153 PR tree-optimization/19792
3154 PR tree-optimization/21608
3155 PR tree-optimization/27090
3156 * tree-ssa-pre.c (try_combine_conversion): New function.
3157 (compute_avail): After constructing the value-handle
3158 expression, use try_combine_conversion to combine NOP_EXPRs
3159 with previous value-handle expressions and use the result if it
3162 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3164 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3166 2006-05-04 Jan Hubicka <jh@suse.cz>
3169 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3171 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3173 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3174 that this only matches CONST_INTs. All users changed to VOIDmode
3177 * config/bfin/bfin.c: Include "optabs.h".
3178 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3180 (enum bfin_builtins): Add a number of fractional and vector builtins.
3181 (bfin_init_builtins): Likewise.
3182 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3183 (safe_vector_operand, bfin_expand_binop_builtin,
3184 bfin_expand_unop_builtin): New functions.
3185 (bfin_expand_builtin): Handle the new builtins.
3186 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3189 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3192 * Makefile.in (OBJS-common): Add see.o.
3193 (see.o): Add dependencies.
3194 * common.opt (fsee): New flag for the see optimization was added.
3195 * opts.c (flag_see): Initialized.
3196 * passes.c (init_optimization_passes, pass_see): New pass.
3197 * rtl.h (see_main): Declaration as extern.
3198 * timevar.def (TV_SEE): New.
3199 * tree-pass.h (pass_see): Declaration as extern.
3200 * invoke.texi (-fsee): Document.
3201 * recog.c (validate_simplify_insn): New function.
3202 * recog.h (validate_simplify_insn): Declaration as extern.
3203 * df-problems.c (df_chain_dump): Check for NULL.
3205 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3206 Daniel Berlin <dberlin@dberlin.org>
3208 * cfgrtl.c (insert_insn_bb_end_new): New function.
3209 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3211 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3213 * df.h (struct web_entry): Moved from web.c.
3214 (union_defs): Declaration as extern.
3215 (unionfind_root): Likewise.
3216 (unionfind_union): Likewise.
3217 * web.c (struct web_entry): Moved to df.h.
3218 (unionfind_root): Remove static declaration.
3219 (unionfind_union): Likewise.
3220 (union_defs): Likewise and generalize to use callback function.
3221 (web_main): Update arguments for union_defs function call.
3223 2006-05-04 Richard Guenther <rguenther@suse.de>
3225 PR tree-optimization/26447
3226 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3227 produce SSA_NAME copies before the store stmt to avoid
3228 breaking exception handling.
3230 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3233 * gimplify.c (omp_is_private): If var is shared in some outer context,
3234 return false instead of true. Stop searching on parallel context
3237 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3240 * coverage.c: Use get_gcov_unsigned_t() instead of
3241 unsigned_type_node all over.
3243 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3245 PR tree-optimization/27381
3246 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3247 maintain the same immediate_use links.
3248 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3249 node rather than segfaulting.
3251 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3254 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3255 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3256 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3258 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3260 Fix PR tree-optimization/26626
3261 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3263 * tree-ssa-operands.c (access_can_touch_variable): Allow
3264 typecasting through union pointers.
3266 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3269 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3270 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3271 to find if var will be a global variable even in the nested context.
3272 (omp_copy_decl): Only check for global variable at the end, it might
3273 be overridden in outer contexts.
3274 (scan_sharing_clauses): For global variables don't create a field.
3275 (lower_rec_input_clauses): Do nothing for global shared variables.
3276 Emit a barrier at the end of ILIST if there were any decls in both
3277 firstprivate and lastprivate clauses.
3278 (lower_send_clauses): Do nothing for global variables except for
3281 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3283 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3284 of the correct signedness is returned.
3286 2006-05-02 Jeff Law <law@redhat.com>
3288 PR tree-optimization/27364
3289 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3290 multiply expressions.
3292 2006-05-02 Tom Tromey <tromey@redhat.com>
3294 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3296 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3299 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3300 -mthumb -fPIC are used.
3302 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3303 Joshua Kinard <kumba@gentoo.org>
3306 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3307 with 64-bit pointers.
3309 2006-05-02 Paul Brook <paul@codesourcery.com>
3311 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3313 (create_fix_barrier): Check that a suitable barrier location is
3315 (arm_reorg): Include ftmp->address in allowable range of addresses.
3317 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3320 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3323 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3326 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3327 around RESULT_DECL for result passed by reference.
3328 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3329 * omp-low.c (use_pointer_for_field): Don't look at
3330 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3331 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3332 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3333 time or var for passing by reference for
3334 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3335 TREE_ADDRESSABLE variables when passing by reference.
3337 * omp-low.c (dump_omp_region): Fix output formatting.
3340 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3341 (expand_omp_parallel): Likewise.
3342 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3345 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3346 on statement list containing also constructors and destructors.
3347 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3350 * except.c (duplicate_eh_regions): Fix clearing of
3351 cfun->eh->region_array entries.
3353 2006-05-01 DJ Delorie <dj@redhat.com>
3355 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3357 (gcc_cv_objdump): Likewise.
3358 * configure: Regenerated.
3360 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3363 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3364 templates for case 3 and 4.
3366 2006-05-01 DJ Delorie <dj@redhat.com>
3368 * vec.c: Include bconfig.h when appropriate.
3369 * Makefile.in (build/vec.o): Adjust dependencies.
3370 * mkconfig.sh: Make sure config.h isn't used for build machine
3373 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3375 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3377 (mark_phi_for_rewrite): New function.
3378 (insert_phi_nodes_for, mark_use_interesting): Call
3379 mark_phi_for_rewrite.
3380 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3381 (update_ssa): Initialize and free phis_to_rewrite.
3383 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3385 PR rtl-optimization/27291
3386 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3387 folded to a constant.
3389 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3391 PR tree-optimization/27283
3392 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3393 not whole # of iteration descriptions.
3394 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3395 uses abnormal ssa name.
3396 (niter_for_single_dom_exit): Ditto.
3397 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3398 return just the number of iterations.
3400 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3402 PR tree-optimization/27144
3403 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3404 (record_estimate): Only record constant upper bound.
3405 (infer_loop_bounds_from_undefined): Call
3406 compute_estimated_nb_iterations just once.
3407 (proved_non_wrapping_p): Renamed to ...
3408 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3409 (convert_step_widening, scev_probably_wraps_p): Call
3410 n_of_executions_at_most instead of proved_non_wrapping_p.
3411 (substitute_in_loop_info): Do not replace values in bounds.
3412 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3415 2006-05-01 Richard Henderson <rth@redhat.com>
3418 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3419 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3422 2006-05-01 Roger Sayle <roger@eyesopen.com>
3424 * c-typeck.c (parser_build_binary_op): Don't call the function
3425 unsigned_conversion_warning to spot operand/result type overflow.
3426 (build_binary_op): Instead, call convert_and_check instead of
3427 convert to report the problem when the operands are promoted.
3428 * c-common.c (unsigned_conversion_warning): Make static.
3429 * c-common.h (unsigned_conversion_warning): Delete prototype.
3431 2006-05-01 Richard Guenther <rguenther@suse.de>
3433 PR tree-optimization/26726
3434 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3436 (find_interesting_uses_address): ... we work around here
3437 by folding INDIRECT_REFs in the substituted base.
3439 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3441 * omp-low.c (dump_omp_region): Add newlines.
3443 2006-04-30 Roger Sayle <roger@eyesopen.com>
3445 * common.opt (Woverflow): New command line option.
3446 * c-common.c (constant_expression_warning): Check warn_overflow.
3447 (overflow_waring): Pass OPT_Woverflow to warning.
3448 (unsigned_conversion_warning): Likewise.
3449 (convert_and_check): Likewise.
3450 * doc/invoke.texi: Document new command line option.
3452 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3454 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3455 TARGET_NO_FP_IN_TOC for section anchors.
3456 (optimization_options): Enable section anchors for all
3457 non-"Objective" languages.
3459 2006-04-28 Eric Christopher <echristo@apple.com>
3461 * config/darwin-c.c (darwin_ms_struct): Move this
3462 (darwin_set_default_type_attributes): and this...
3463 * config/darwin.c: ... here.
3464 * config/darwin.h (darwin_ms_struct): Declare.
3466 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3468 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3470 2006-04-28 Roger Sayle <roger@eyesopen.com>
3473 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3474 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3475 an unsigned HOST_WIDE_INT.
3476 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3478 (really_start_incremental_init): No need to call convert because
3479 bitsize_zero_node is already of type bitsizetype.
3480 (push_init_level): Extract the value of constructor_index as an
3481 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3482 (process_init_element): Likewise.
3484 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3486 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3487 value before passing to make_relative_prefix.
3489 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3492 * builtins.c (expand_builtin_memset): Expand val in original mode.
3494 2006-04-27 Eric Christopher <echristo@apple.com>
3496 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3497 with #ifndef/#endif.
3498 * config/darwin-c.c (darwin_ms_struct): New.
3499 (darwin_pragma_ms_struct): Ditto.
3500 (darwin_set_default_type_attributes): Ditto.
3501 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3502 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3503 Register ms_struct pragma.
3504 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3505 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3506 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3507 darwin_set_default_type_attributes if TARGET_MACHO.
3509 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3511 PR tree-optimization/26854
3512 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3513 * doc/tree-ssa.texi: Update immuse iterator documentation.
3514 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3515 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3516 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3517 first_safe_imm_use, next_safe_imm_use): Remove.
3518 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3519 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3520 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3521 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3522 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3523 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3524 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3525 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3526 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3527 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3528 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3529 (perfect_nestify): Use new iterator.
3530 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3532 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3533 (next_imm_name): New field in struct immediate_use_iterator_d.
3534 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3535 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3536 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3537 * tree-cfg.c (replace_uses_by): Use new iterator.
3538 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3539 * tree-ssa-operands.c (correct_use_link): Remove.
3540 (finalize_ssa_use_ops): No longer call correct_use_link.
3542 2006-04-27 Stuart Hastings <stuart@apple.com>
3544 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3545 * config/t-darwin (crt3.o): Use it.
3546 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3547 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3548 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3549 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3550 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3553 2006-04-27 Roger Sayle <roger@eyesopen.com>
3555 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3556 size, force the intermediate into a new pseudo rather instead of
3557 performing both a bitwise AND and a bitwise IOR in memory.
3559 2006-04-27 Richard Guenther <rguenther@suse.de>
3561 PR rtl-optimization/26685
3562 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3563 this one "max-flow-memory-locations".
3565 2006-04-27 Richard Guenther <rguenther@suse.de>
3567 PR tree-optimization/25148
3568 * tree-vrp.c (compare_values): Remove code dealing with
3569 comparisons against type min/max value. Honour overflow
3570 and negative constants in code dealing with comparisons
3571 of plus and minus expressions.
3572 (value_inside_range): Use fold_binary with LE_EXPR and
3573 GE_EXPR rather than compare_values.
3575 2006-04-27 Dirk Mueller <dmueller@suse.de>
3577 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3580 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3582 * basic-block.h (safe_insert_insn_on_edge): Removed.
3583 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3585 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3586 Paolo Bonzini <bonzini@gnu.org>
3589 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3590 (simplify_and_const_int): Same.
3592 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3594 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3596 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3599 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3600 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3601 cgraph_global_info_ready.
3604 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3607 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3608 either decl or init is error_mark_node.
3611 * tree-flow.h (struct omp_region): Add sched_kind.
3612 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3613 instead of extracting omp for data.
3614 (expand_omp_for): Save extracted sched_kind.
3616 2006-04-25 Roger Sayle <roger@eyesopen.com>
3618 * expmed.c (store_bit_field): Also check whether the bitsize is
3619 valid for the machine's "insv" instruction before moving the
3620 target into a pseudo for use with the insv.
3621 * config/i386/predicates.md (const8_operand): New predicate.
3622 * config/i386/i386.md (extv, extzv, insv): Use the new
3623 const8_operand predicate where appropriate.
3625 2006-04-25 DJ Delorie <dj@redhat.com>
3627 * doc/install.texi (Specific): Clarify that this is not a list of
3628 supported hosts or targets.
3630 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3632 PR rtl-optimization/26725
3633 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3634 block's BB_DIRTY flag.
3636 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3638 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3641 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3642 to print an integer.
3644 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3646 * varasm.c (align_variable): New function.
3647 (get_block_for_decl): Apply align_variable to DECL before
3648 calculating section information.
3649 (assemble_variable): Split out alignment computation.
3651 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3653 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3656 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3658 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3659 MODE_PARTIAL_INT mode.
3660 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3661 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3663 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3664 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3666 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3668 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3670 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3671 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3672 MACFLAG_IH): Likewise.
3673 (movstricthi_1): Renamed from "*movstricthi".
3674 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3675 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3676 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3677 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3678 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3679 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3680 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3681 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3682 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3683 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3684 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3685 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3686 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3687 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3688 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3690 * doc/rtl.texi (ss_ashift): Improve wording.
3692 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3694 * dwarf2out.c (verify_marks_clear): New.
3695 (prune_unused_types): Call verify_marks_clear initially, not
3698 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3700 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3701 * doc/rtl.texi: Document them.
3702 * simplify-rtx.c (simplify_unary_operation,
3703 simplify_binary_operation_1): Don't abort when we see them.
3705 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3708 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3709 * configure.ac: Completely disregard languages that are not
3711 * configure: Regenerated.
3713 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3714 Richard Guenther <rguenther@suse.de>
3716 PR tree-optimization/27236
3717 * tree-inline.c (copy_body_r): Make sure to copy
3718 TREE_THIS_VOLATILE flag.
3720 2006-04-24 Richard Guenther <rguenther@suse.de>
3723 * tree-complex.c (update_parameter_components): Don't handle
3724 unused parameters which have no default def.
3726 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3727 Richard Guenther <rguenther@suse.de>
3729 PR tree-optimization/27218
3730 * tree-inline.c (expand_call_inline): Strip useless type
3731 conversions for the return slot address.
3733 2006-04-24 Richard Guenther <rguenther@suse.de>
3735 * cfgloop.h (struct loops): Remove unused field array. Reorder
3737 (LOOP_PREFETCH): Remove.
3739 2006-04-24 Richard Guenther <rguenther@suse.de>
3741 PR tree-optimization/22525
3742 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3743 variable, adjust types of generated expressions.
3745 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3747 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3748 (tree-vect-patterns.o): Likewise.
3750 (cselib.o): Likewise.
3751 (loop-doloop.o): Likewise.
3752 (regclass.o): Likewise.
3753 (reload1.o): Likewise.
3754 (explow.o): Replace target.h with $(TARGET_H).
3755 (ipa-prop.o): Likewise.
3756 (ipa-cp.o): Likewise.
3757 (ipa-inline.o): Likewise.
3758 (reorg.o): Likewise.
3759 (reg-stack.o): Likewise.
3761 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3763 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3765 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3767 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3769 * configure.ac: Completely disregard languages that are not
3771 * configure: Regenerated.
3774 * c-common.h (c_build_bitfield_integer_type): Declare.
3775 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3776 * c-common.c (c_build_bitfield_integer_type): ... here.
3778 2006-04-23 Roger Sayle <roger@eyesopen.com>
3781 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3782 a SImode SUBREG of a floating point register after no_new_pseudos.
3784 2006-04-23 Roger Sayle <roger@eyesopen.com>
3786 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3787 identify potentially eliminable registers to additionally catch
3788 VIRTUAL_INCOMING_ARGS_REGNUM.
3789 (addsi3): Update the conditions on when to use addsi_small_int.
3791 2006-04-23 Roger Sayle <roger@eyesopen.com>
3794 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3795 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3796 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3798 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3800 * fold-const.c (range_predecessor): Use operand_equal_p
3801 as the predicate for equality.
3802 (range_successor): Likewise.
3804 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3807 * config/soft-fp/op-common.h: Fix a typo.
3809 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3812 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3813 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3815 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3817 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3819 * doc/tm.texi: Fix a typo.
3821 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3823 * dwarf2out.c (struct die_struct): Document that die_sib makes
3824 a circular linked list.
3825 (FOR_EACH_CHILD): New.
3826 (reverse_die_lists): Delete.
3827 (reverse_all_dies): Delete.
3828 (add_dwarf_attr): Correct documentation.
3829 (remove_child_with_prev): New.
3830 (remove_child_TAG): Update for change to die_struct, use
3831 remove_child_with_prev.
3832 (add_child_die): Update for change to die_struct.
3833 (splice_child_die): Use remove_child_with_prev and add_child_die.
3834 (print_die): Use FOR_EACH_CHILD.
3835 (die_checksum): Likewise.
3836 (assign_symbol_names): Likewise.
3837 (output_location_lists): Likewise.
3838 (build_abbrev_table): Likewise.
3839 (calc_die_sizes): Likewise.
3840 (mark_dies): Likewise.
3841 (unmark_dies): Likewise.
3842 (unmark_all_dies): Likewise.
3843 (output_die): Likewise.
3844 (prune_unused_types_mark): Likewise.
3845 (prune_unused_types_walk): Likewise.
3846 (same_die_p): Update for change to die_struct.
3847 (break_out_includes): Likewise.
3848 (prune_unused_types_prune): Likewise.
3849 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3850 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3852 (dwarf2out_finish): Don't call reverse_all_dies.
3854 2006-04-21 Eric Christopher <echristo@apple.com>
3856 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3857 in comments and function names.
3859 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3862 * c-typeck.c (digest_init): Robustify.
3864 * c-typeck.c (pop_init_level): Simplify.
3866 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3868 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3870 2006-04-21 Paul Brook <paul@codesourcery.com>
3872 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3873 hardware floating point.
3875 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3877 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3880 2006-04-21 Nick Clifton <nickc@redhat.com>
3882 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3885 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3888 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3889 C++ lang type in traceback table for Objective-C++.
3891 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3893 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3895 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3897 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3900 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3901 were errors. Remove check for erroneous objects.
3903 2006-04-20 Jeff Law <law@redhat.com>
3905 PR tree-optimization/26854
3906 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3907 checking for zero or one use.
3908 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3909 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3910 * tree-ssa-reassoc.c (negate_value): Similarly.
3911 (reassociate_bb): Similarly.
3913 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3915 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3916 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3917 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3919 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3921 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3922 fp regs if the last fp arg doesn't fit in regs.
3924 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3927 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3928 that the last insn has the REG_INC note.
3930 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3931 Nathan Sidwell <nathan@codesourcery.com>
3934 * stor-layout.c (update_alignment_for_field): Do not align
3936 (place_union_field): Place union field at the start of the union.
3937 (place_field): Move ERROR_MARK check later, and use the current
3938 allocation position to maintain monotonicity.
3940 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3942 * dominance.c: Include timevar.h.
3943 (calculate_dominance_info): Use TV_DOMINANCE.
3944 * timevar.def (TV_DOMINANCE): New timevar.
3945 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3947 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3949 PR rtl-optimization/14261
3950 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3951 move would be an INSV insn.
3952 (noce_process_if_block): Don't optimize if the destination is a
3953 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3955 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3957 * config/s390/s390.md: Add comments with the instructions emitted
3958 by an insn pattern if macros are used.
3960 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3962 PR rtl-optimization/26026
3963 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3964 is a known power of two shifted left a variable amount.
3966 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3968 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3969 to hash table twice when the debug_str section has SECTION_MERGE.
3971 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3973 * config/soft-fp: New directory. From glibc.
3974 * config/soft-fp/t-softfp: New.
3975 * config/soft-fp/README: New.
3976 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3977 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3978 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3979 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3980 * config.gcc: Use rs6000/t-fprules-fpbit or
3981 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3983 * config/rs6000/sfp-machine.h: New. Based on glibc.
3984 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3986 * config/rs6000/t-fprules: Remove fp-bit rules.
3987 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3988 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3989 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3990 (softfp_wrap_start, softfp_wrap_end): New.
3992 2006-04-18 DJ Delorie <dj@redhat.com>
3994 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3996 2006-04-18 Devang Patel <dpatel@apple.com>
3998 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4000 2006-04-18 Nick Clifton <nickc@redhat.com>
4002 * config/sh/t-symbian: Add rule to build sh-c.o
4003 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4004 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4005 (sh_symbian_encode_section_info): Likewise.
4007 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4009 * builtins.c (expand_builtin_strcmp): Cover label definition of
4010 do_libcall with HAVE_cmpstrnsi.
4012 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4014 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4016 * function.h (temp_slot_p): New.
4017 (function): Change the type of x_used_temp_slots to
4018 VEC(temp_slot_p,gc) *.
4020 2006-04-18 Nick Clifton <nickc@redhat.com>
4022 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4023 flag_strength_reduce.
4025 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4027 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4031 Partial revert of revision 112637
4032 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4033 Dale Johannesen <dalej@apple.com>
4036 * regclass.c (struct reg_pref): Update documentation.
4037 (regclass): Set prefclass to NO_REGS if memory is the best option.
4038 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4040 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4042 PR tree-optimization/26821
4043 * tree-ssa-math-opts.c (get_constant_one): New.
4044 (insert_reciprocals): Use it.
4046 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4048 * dwarf2out.c (free_AT): Delete.
4049 (remove_AT): Update string ref counts.
4050 (remove_child_TAG): Don't call free_die.
4052 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4053 or DW_TAG_GNU_EINCL.
4054 (prune_unused_types_walk_attribs): Reset string refcounts.
4055 (prune_unused_types_update_strings): New.
4056 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4057 call free_die. Do call prune_unused_types_update_strings.
4058 (prune_unused_types): Empty debug_str_hash.
4060 2006-04-17 Roger Sayle <roger@eyesopen.com>
4062 * expr.c (expand_assignment): Optimize away no-op moves where the
4063 source and destination are equal and have no side-effects.
4065 2006-04-17 Richard Guenther <rguenther@suse.de>
4068 * reload.c (push_reload): Guard calls to get_secondary_mem
4071 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4073 * alias.c (reg_base_value, old_reg_base_value): Change the
4074 type to VEC(rtx,gc) *.
4075 (REG_BASE_VALUE, find_base_value, record_set,
4076 init_alias_analysis): Use VEC instead of VARRAY.
4078 * alias.c (alias_sets): Change the type to
4079 VEC(alias_set_entry,gc) *.
4080 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4081 VEC instead of VARRAY.
4082 (last_alias_set): Remove.
4084 * cgraph.h (cgraph_edge_p): New.
4085 Update the prototype of cgraph_function_versioning.
4086 * cgraphunit.c (cgraph_copy_node_for_versioning,
4087 cgraph_function_versioning): Use VEC instead of VARRAY.
4088 * ipa-cp.c (ipcp_insert_stage): Likewise.
4090 2006-04-16 Roger Sayle <roger@eyesopen.com>
4093 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4094 "A op B" or "A op C", we may need to convert A to the type of B and C.
4096 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4098 * target.h (struct gcc_target): Add mode_rep_extended.
4099 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4100 (init_num_sign_bit_copies_in_rep): Initialize it using
4102 (truncate_to_mode): Use it.
4103 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4104 * targhooks.h (default_mode_rep_extended): Declare it.
4105 * targhooks.c (default_mode_rep_extended): Define it.
4106 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4107 default_mode_rep_extended.
4108 (TARGET_INITIALIZER): Include it.
4109 * doc/tm.texi (Misc): Document it.
4110 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4111 (mips_truncated_to_mode): New function.
4113 2006-04-16 Roger Sayle <roger@eyesopen.com>
4116 * expr.c (compress_float_constant): Copy the narrow constant into
4117 a new pseudo before extending it to its final width.
4119 2006-04-16 Roger Sayle <roger@eyesopen.com>
4120 Andrew Pinski <pinskia@gcc.gnu.org>
4121 Dale Johannesen <dalej@apple.com>
4124 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4125 special case code to implement V8HImode and V16QImode with SSE2.
4127 2006-04-15 Roger Sayle <roger@eyesopen.com>
4129 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4130 trees are constructed with a suitable tree type.
4132 2006-04-15 Roger Sayle <roger@eyesopen.com>
4134 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4135 (integer_onep): Likewise.
4136 (integer_all_onesp): Likewise.
4137 (integer_pow2p): Likewise.
4138 (integer_nonzerop): Likewise.
4139 (real_zerop): Likewise.
4140 (real_onep): Likewise.
4141 (real_twop): Likewise.
4142 (real_minus_onep): Likewise.
4143 (int_size_in_bytes): Likewise.
4144 (host_integerp): Likewise.
4146 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4148 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4149 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4150 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4152 * tree-ssa-structalias.h (alias_info): Remove num_references.
4154 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4156 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4157 (output_bvb patterns): Likewise.
4158 * pa.c (output_bb): Use 'bb' insn for long branch case.
4159 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4160 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4161 1. Correct length operand for alternatives 1 and 2.
4162 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4163 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4165 2006-04-14 Roger Sayle <roger@eyesopen.com>
4167 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4168 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4169 were accidentally reverted by r112959.
4171 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4174 * except.h (eh_region_outermost): New prototype.
4175 * except.c (eh_region_outermost): New function.
4176 * tree-cfg.c (find_outermost_region_in_block): Use it.
4178 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4180 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4182 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4183 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4184 (init_reload, reload): Use VEC instead of VARRAY.
4185 * reload.h: Update the prototype for
4186 reg_equiv_memory_loc_varray.
4188 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4189 Eric Botcazou <ebotcazou@libertysurf.fr>
4191 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4194 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4197 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4198 to expand fallback builtin function call.
4200 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4203 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4204 and emit libcall here in case the builtin fails.
4205 (expand_builtin_strcmp): Always emit the libcall here on failure.
4207 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4209 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4210 * flow.c (reg_n_info): Change the type to
4211 VEC(reg_info_p,heap) *.
4212 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4214 * regs.h (reg_info_p): New.
4215 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4216 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4217 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4220 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4222 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4224 * params.h (MAX_SCHED_READY_INSNS): New macro.
4225 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4226 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4227 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4228 the ready list for 1 cycle during the first scheduling pass.
4229 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4231 2006-04-13 Richard Henderson <rth@redhat.com>
4234 * gimple-low.c (lower_omp_directive): Remove dead code.
4235 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4236 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4237 * omp-low.c (struct omp_region): Move to tree-flow.h.
4238 (root_omp_region): Export.
4239 (omp_regions, lookup_omp_region): Remove.
4240 (determine_parallel_type): Update for struct omp_region changes.
4241 (dump_omp_region): Dump regions with block numbers.
4242 (new_omp_region): Take type and block instead of stmt; malloc
4244 (free_omp_region_1, free_omp_regions): New.
4245 (expand_parallel_call): Take entry_stmt as argument; update for
4246 changes to omp_region.
4247 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4248 (remove_exit_barriers): New.
4249 (expand_omp_parallel): Update for struct omp_region changes.
4250 (expand_omp_synch): Likewise.
4251 (expand_omp): Likewise.
4252 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4253 (expand_omp_for_static_chunk): Likewise.
4254 (expand_omp_for): Likewise.
4255 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4256 (expand_omp_sections): Similarly, with GOMP_sections_end.
4257 (expand_omp_single): New.
4258 (build_omp_regions_1): Update for OMP_CONTINUE.
4259 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4260 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4261 OMP_SECTIONS_SECTIONS.
4262 (lower_omp_single_simple): Don't emit barrier here.
4263 (lower_omp_single_copy): Likewise.
4264 (lower_omp_single): Fix bindings, and lower to straightline now.
4265 (lower_omp_master, lower_omp_ordered): Likewise.
4266 (lower_omp_critical): Likewise.
4267 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4268 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4269 omp edges, free it afterward.
4270 (make_omp_sections_edges): Remove.
4271 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4272 (move_stmt_r): Handle OMP_CONTINUE.
4273 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4274 statement pointers to basic blocks. Add type member.
4275 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4276 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4277 * tree-inline.c (estimate_num_insns_1): Likewise.
4278 * tree-pretty-print.c (dump_generic_node): Likewise.
4279 * tree-ssa-operands.c (get_expr_operands): Likewise.
4280 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4281 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4282 (OMP_CONTINUE): New.
4283 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4284 (OMP_SECTIONS_SECTIONS): Remove.
4285 (OMP_SECTION_LAST): New.
4286 (OMP_RETURN_NOWAIT): New.
4288 2006-04-13 Roger Sayle <roger@eyesopen.com>
4290 * fold-const.c (native_encode_vector, native_interpret_real):
4291 Correct obvious mistakes in the previous check-in.
4293 2006-04-13 Roger Sayle <roger@eyesopen.com>
4295 * fold-const.c (native_encode_expr): New function to encode
4296 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4297 or VECTOR_CST into a specified buffer.
4298 (native_encode_int): New function.
4299 (native_encode_real): New function.
4300 (native_encode_complex): New function.
4301 (native_encode_vector): New function.
4302 (native_interpret_expr): Inverse of native_encode_expr to convert
4303 a target representation into an INTEGER_CST, REAL_CST etc...
4304 (native_interpret_int): New function.
4305 (native_interpret_real): New function.
4306 (native_interpret_complex): New function.
4307 (native_interpret_vector): New function.
4308 (fold_view_convert_expr): New function to constant fold/evaluate
4309 a VIEW_CONVERT_EXPR of a suitable constant expression.
4310 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4311 Change call of build1 to fold_build1 when constructing a
4314 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4315 Ulrich Weigand <uweigand@de.ibm.com>
4318 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4321 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4324 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4325 optimize to lo_sum for DFmode if !TARGET_FPRS.
4327 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4329 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4330 delete_alias_info, compute_flow_sensitive_aliasing,
4331 group_aliases): Use VEC instead of VARRAY.
4332 * tree-ssa-structalias.c (update_alias_info): Likewise.
4333 * tree-ssa-structalias.h (alias_info): Change the type of
4334 processed_ptrs to VEC(tree,heap) *.
4336 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4339 * config/sh/lib1funcs.h: New file, broken out of:
4340 * config/sh/lib1funcs.asm.
4341 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4343 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4344 * config/sh/lib1funcs-Os-4-200.asm: New file.
4345 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4346 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4347 (EXTRA_MULTILIB_PARTS): Include it.
4348 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4349 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4350 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4351 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4354 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4356 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4357 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4358 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4360 * tree-ssa-live.h: Include vecprim.h.
4361 (tree_partition_associator_d): Change the type of
4362 first_partition to VEC(int,heap) *.
4363 (tpa_first_partition): Use VEC instead of VARRAY.
4365 * Makefile.in (GTFILES): Move functions.h after tree.h.
4366 * function.c (reset_block_changes, record_block_change,
4367 check_block_change, free_block_changes): Use VEC instead of
4369 * function.h (function): Change the type of
4370 ib_boundaries_block to VEC(tree,gc) *.
4371 * tree-inline.c (copy_cfg_body): Initialize
4372 ib_boundaries_block to NULL instead of (varray_type) 0.
4374 2006-04-12 Roger Sayle <roger@eyesopen.com>
4376 * expr.c (emit_group_store): Correct operand order in call to
4377 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4378 a SUBREG_BYTE of zero.
4380 2006-04-12 Richard Guenther <rguenther@suse.de>
4382 * profile.c (compute_branch_probabilities): Remove code
4383 encapsulated in !ir_type (), which are remanents of the
4384 removed RTL profiling code.
4385 * rtl-profile.c: Remove.
4387 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4389 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4390 magic NULL_RTX comment.
4391 (function_arg): Store entire fp arg to mem if any part should go
4393 (rs6000_arg_partial_bytes): Adjust for above change.
4395 2006-04-11 Roger Sayle <roger@eyesopen.com>
4397 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4398 if it hasn't been initialized by dwarf2out_init.
4400 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4402 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4403 symbolic constants in branch patterns.
4405 2006-04-11 Roger Sayle <roger@eyesopen.com>
4407 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4409 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4411 PR rtl-optimization/27073
4412 * gcse.c (try_replace_reg): Revert last change. Continue to search
4413 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4416 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4418 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4419 aggregate types other than record and union types.
4420 (function_arg): Likewise.
4421 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4423 (function_value): In 64-bit mode, return objects that require it
4426 2006-04-11 Roger Sayle <roger@eyesopen.com>
4428 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4430 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4432 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4434 2006-04-03 Jeff Law <law@redhat.com>
4437 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4438 alias information too.
4440 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4442 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4444 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4447 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4448 (premark_used_types_helper): New.
4449 (premark_used_types): New.
4450 (gen_subprogram_die): Call premark_used_types.
4451 (prune_unused_types_walk): Do not prune perennial dies.
4452 * function.c (used_types_insert): New.
4453 * function.h (struct function): Add used_types_hash field.
4454 (used_types_insert): Add prototype.
4455 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4456 * c-parser.c (c_parser_cast_expression): Save casted types in used
4459 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4462 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4463 rs6000_explicit_options.float_gprs.
4465 2006-04-10 Roger Sayle <roger@eyesopen.com>
4467 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4468 from ix86_expand_vector_init_low_nonzero. Take an additional
4469 one_var argument indicating which element is non-zero. Support
4470 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4471 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4472 with one_var instead of ix86_expand_vector_init_low_nonzero.
4474 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4476 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4477 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4478 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4479 build/genextract.o): Depend on vecprim.h.
4480 * cfglayout.c, df-problems.c, function.c, genextract.c,
4481 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4482 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4486 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4488 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4489 Declare VECs of this type.
4490 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4491 (remove_children): Delete.
4492 (add_dwarf_attr): Use VEC routines.
4493 (add_AT_flag): Update for changes to add_dwarf_attr.
4494 (add_AT_int): Likewise.
4495 (add_AT_unsigned): Likewise.
4496 (add_AT_long_long): Likewise.
4497 (add_AT_vec): Likewise.
4498 (add_AT_string): Likewise.
4499 (add_AT_die_ref): Likewise.
4500 (add_AT_fde_ref): Likewise.
4501 (add_AT_loc): Likewise.
4502 (add_AT_loc_list): Likewise.
4503 (add_AT_addr): Likewise.
4504 (add_AT_lbl_id): Likewise.
4505 (add_AT_lineptr): Likewise.
4506 (add_AT_macptr): Likewise.
4507 (add_AT_offset): Likewise.
4508 (add_AT_range_list): Likewise.
4509 (get_AT): Use VEC_iterate.
4510 (remove_AT): Use VEC_ordered_remove.
4511 (free_die): Fold remove_children into here; have it use VEC_iterate.
4512 (print_die): Use VEC_iterate on attrs.
4513 (reverse_die_lists): Don't reverse attr lists.
4514 (die_checksum): Use VEC_iterate on attrs.
4515 (same_die_p): Likewise.
4516 (output_location_lists): Likewise.
4517 (build_abbrev_table): Likewise.
4518 (size_of_die): Likewise.
4519 (unmark_all_dies): Likewise.
4520 (output_abbrev_section): Likewise.
4521 (output_die): Likewise.
4522 (prune_unused_types_walk_attribs): Likewise.
4524 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4526 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4528 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4531 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4533 2006-04-09 Roger Sayle <roger@eyesopen.com>
4535 * expr.c (store_constructor): Don't bother clearing target if
4536 we're about to assign a vector to it using vec_init_optab.
4538 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4540 * tree-ssa-alias.c (lhs_may_store_to): New function.
4541 (recalculate_used_alone): Handle LHS of calls.
4543 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4547 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4548 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4549 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4550 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4551 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4552 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4553 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4554 stubs. Add ".align 8" directives before all ".dword" directives.
4555 (GTHREAD_USE_WEAK): Revise comment.
4556 (TARGET_ATTRIBUTE_WEAK): Define.
4557 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4558 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4559 * stublib.c: New file.
4564 * pa.md (cbranch patterns): Revise arguments used in calls to
4565 output_cbranch, output_bb and output_bvd. Add long branch length
4567 (fbranch patterns): Handle long branches.
4568 (jump): Revise length check. Revise arguments for output_lbranch call.
4569 Add long branch length attributes.
4570 (decrement_and_branch_until_zero): Add long branch length attributes.
4571 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4572 Likewise. Revise arguments for output_parallel_addb and
4573 output_parallel_movb calls.
4574 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4575 output_parallel_movb and output_parallel_addb): Update prototypes.
4576 * pa.c (output_cbranch): Revise arguments. Correct handling of
4577 nullification in long branches.
4578 (output_lbranch): Add new argument to control extraction of delay
4580 (output_bb): Handle long branches.
4581 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4582 output_parallel_addb): Likewise.
4584 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4586 PR rtl-optimization/27073
4587 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4590 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4592 * tree.h (tree_memory_tag): Add old_used_alone.
4593 (SMT_OLD_USED_ALONE): New macro.
4594 * tree-ssa-alias.c (recalculate_used_alone): Stop
4595 marking things for renaming unnecessarily.
4597 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4599 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4600 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4601 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4602 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4603 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4604 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4605 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4606 spelling convensions.
4607 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4608 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4609 typos. Follow spelling conventions.
4611 2006-04-07 DJ Delorie <dj@redhat.com>
4613 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4614 passed on the stack.
4615 (m32c_init_cumulative_args): When a function returns a structure,
4616 always pass the pointer to that return area on the stack.
4617 (m32c_function_arg_advance): Don't increment the parameter number
4618 if we're processing the returned structure pointer.
4619 (pushm_info): Reverse order of registers.
4621 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4623 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4624 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4625 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4626 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4628 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4629 chrec_fold_multiply): Same.
4630 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4631 force_expr_to_var_cost): Same.
4632 * tree-mudflap.c (mf_xform_derefs_1): Same.
4633 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4635 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4637 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4638 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4641 2006-04-07 Jan Hubicka <jh@suse.cz>
4643 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4645 2006-04-07 Richard Guenther <rguenther@suse.de>
4647 PR tree-optimization/26135
4648 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4649 loads for store copy-prop.
4650 (copy_prop_visit_stmt): Likewise.
4652 2006-04-05 Robert Millan <robertmh@gnu.org>
4654 * config/i386/linux.h: Add a comment to mark macros that are
4655 being overriden in config/k*bsd-gnu.h.
4656 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4658 * config/knetbsd-gnu.h: Ditto.
4660 2006-04-06 Jan Hubicka <jh@suse.cz>
4664 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4667 2006-04-06 Mike Stump <mrs@apple.com>
4669 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4670 for HAVE_nonlocal_goto to be consistent.
4671 (expand_builtin_nonlocal_goto): Likewise.
4672 (expand_builtin_strcmp): Use #ifdef instead of #if
4673 for HAVE_cmpstrnsi to be consistent.
4675 2006-04-05 DJ Delorie <dj@redhat.com>
4677 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4680 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4682 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4683 got-relative addressing for anything but SImode.
4685 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4686 even if the calling function doesn't modify them.
4688 2006-04-05 Richard Guenther <rguenther@suse.de>
4690 PR tree-optimization/26919
4691 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4692 to cgraph_estimate_size_after_inlining.
4694 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4696 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4698 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4700 PR tree-optimization/26996
4701 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4702 VECTOR_TYPE variables.
4704 2006-04-05 Richard Guenther <rguenther@suse.de>
4706 PR tree-optimization/26763
4707 * fold-const.c (fold_comparison): Move folding of
4708 PTR + CST CMP PTR + CST ...
4709 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4711 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4713 * doc/install.texi (Prerequisites): Refine some wording on
4714 bootstrapping and ksh.
4715 Move the version numbers of DejaGnu here from the testing section
4716 and fix casing of names.
4717 Fix markup and clarify wording for autogen requirements.
4718 Refer to GCJ instead of just java.
4719 Refer to SVN instead of CVS.
4720 Describe diffutils as useful instead of necessary.
4721 (Downloading the source): Refer to SVN instead of CVS.
4722 Adjust a link to our web site accordingly.
4723 (Configuration): Fix casing of Bison.
4724 (Building): Refer to SVN instead of CVS.
4725 Fix a sentence on the use of Bison and remove duplicate (and
4726 incorrect) version number of Bison requirement.
4727 Remove one redundant list of packages needed for building.
4728 (Specific): Avoid reference to CVS.
4730 2006-04-04 Eric Christopher <echristo@apple.com>
4732 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4733 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4734 (rs6000_handle_struct_attribute): New.
4735 (rs6000_ms_bitfield_layout_p): Ditto.
4737 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4739 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4740 NULL for dso parameter to atexit_common.
4742 2006-04-04 Eric Christopher <echristo@apple.com>
4744 * config/i386/i386.c (machopic_output_stub): Output \t
4745 between instructions and operands.
4747 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4749 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4750 satisfies_constraint_[IL] to explicit tests on value.
4752 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4754 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4755 set_nb_iterations_in_loop): Use build_int_cst instead of
4757 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4758 build_int_cst instead of convert.
4760 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4762 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4763 new value 2 for incoming.
4764 * function.c (expand_function_start): Call struct_value_rtx
4766 * config/sparc/sparc.md: Comment updated_return.
4767 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4768 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4769 struct return if sparc_std_struct_return and incoming is 2.
4770 (print_operand): Do not adjust return if
4771 sparc_std_struct_return.
4773 2006-04-04 Roger Sayle <roger@eyesopen.com>
4775 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4776 convert in the middle-end.
4777 * expr.c (store_expr, store_constructor, get_inner_reference,
4778 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4780 * tree.c (build_range_type): Likewise.
4782 2006-04-04 Tom Tromey <tromey@redhat.com>
4784 * doc/install.texi (Prerequisites): Mention jar.
4786 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4788 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4791 2006-04-04 Matthias Klose <doko@debian.org>
4793 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4794 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4797 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4799 * doc/extend.texi (Function Attributes): Rewrite visibility
4800 attribute documentation.
4801 * doc/invoke.texi (C++ Dialect Options): Rewrite
4802 -fvisibility-inlines-hidden documentation to describe something
4803 entirely different, although in practise compatible.
4804 (Code Gen Options): Warn about system headers in -fvisibility=
4807 * doc/extend.texi (Other Builtins): Document that
4808 __builtin_nan is a compile-time constant only when its argument
4811 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4813 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4814 trying to remove TRUNCATE check if all bits outside the new mode
4815 are identical to the sign bit.
4817 2006-04-03 Jeff Law <law@redhat.com>
4819 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4820 and operand scanning in some common cases.
4822 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4823 Dale Johannesen <dalej@apple.com>
4826 * regclass.c (struct reg_pref): Update documentation.
4827 (regclass): Set prefclass to NO_REGS if memory is the best option.
4828 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4829 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4830 into account. For non-registers, equate an empty preferred
4831 reload class to a `!' in the constraint; move the if clause to
4832 do so after those that reject the insn.
4833 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4835 (find_dummy_reload): Likewise.
4836 * doc/tm.texi (Register Classes): Document what it means
4837 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4838 * config/i386/i386.c (ix86_preferred_reload_class): Force
4839 using SSE registers (and return NO_REGS for floating-point
4840 constants) if math is done with SSE.
4841 (ix86_preferred_output_reload_class): New.
4842 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4843 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4844 * config/i386/i386.md: Remove # register preferences.
4846 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4849 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4850 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4851 the type of nb_iter.
4852 (instantiate_parameters_1): Convert the operands before calling
4853 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4854 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4856 2006-04-02 Roger Sayle <roger@eyesopen.com>
4858 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4859 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4861 * dojump.c (do_jump): Likewise.
4862 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4863 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4864 gimplify_boolean_expr): Likewise.
4865 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4866 * varasm.c (array_size_for_constructor): Likewise.
4867 * tree-object-size.c (compute_object_offset): Likewise.
4869 2006-04-02 Roger Sayle <roger@eyesopen.com>
4872 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4873 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4875 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4877 PR tree-optimization/26939
4878 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4880 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4882 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4883 at_stmt. Convert the type of operands before calling
4884 build_polynomial_chrec.
4885 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4887 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4888 (instantiate_parameters_1): Convert the type of operands before calling
4889 build_polynomial_chrec.
4890 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4891 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4892 reset_evolution_in_loop): Insert asserts to check the types of the
4894 (chrec_type): Moved...
4895 (eq_evolutions_p): Use operand_equal_p.
4896 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4897 the types of the operands.
4898 (chrec_type): ...here.
4899 * tree-data-ref.c (create_data_ref): Convert the operands before
4900 calling chrec_replace_initial_condition.
4901 (same_access_functions, analyze_subscript_affine_affine,
4902 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4903 (compute_subscript_distance, analyze_ziv_subscript,
4904 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4905 analyze_miv_subscript): Convert the operands before calling
4906 chrec_fold_minus or chrec_fold_plus.
4908 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4910 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4911 the dependence_relations vector.
4912 (compute_data_dependences_for_loop): Adjust call to
4913 compute_all_dependences.
4915 2006-04-01 Roger Sayle <roger@eyesopen.com>
4916 Richard Henderson <rth@redhat.com>
4918 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4919 gimple_boolify on the condition before calling gimplify_expr.
4921 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4923 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4924 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4925 the frame size. Update to use the new macros.
4926 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4927 * config/xtensa/ieee754-df.S: Likewise.
4929 2006-03-31 Richard Henderson <rth@redhat.com>
4931 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4932 (make_edges): ... here. Control fallthru creation with a local
4933 variable. Do not play with fake edges.
4934 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4935 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4938 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4940 * dwarf2.h (DW64_CIE_ID): Define.
4941 * dwarf2out.c (DWARF_CIE_ID): Define.
4942 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4943 length header. Use DWARF_CIE_ID.
4944 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4945 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4947 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4949 * config/sh/linux-atomic.asm: New file.
4950 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4952 2006-03-31 DJ Delorie <dj@redhat.com>
4954 * config/m32c/cond.md: Set condition flags properly throughout.
4955 * config/m32c/minmax.md: Likewise.
4956 * config/m32c/prologue.md: Likewise.
4957 * config/m32c/bitops.md: Likewise.
4958 * config/m32c/muldiv.md: Likewise.
4959 * config/m32c/mov.md: Likewise.
4960 * config/m32c/addsub.md: Likewise.
4961 * config/m32c/m32c.md: Likewise.
4962 * config/m32c/jump.md: Likewise.
4963 * config/m32c/shift.md: Likewise.
4965 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4966 conditionally output the pattern for this.
4967 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4968 (m32c_compare_redundant): New.
4969 (m32c_output_compare): New.
4970 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4972 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4973 dest, not src. Allow other 4-byte modes.
4975 2006-03-30 Denis Chertykov <denisc@overta.ru>
4977 * doc/md.texi: Refer to avr/constraints.md instead of
4980 2006-03-30 Roger Sayle <roger@eyesopen.com>
4982 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4983 signed vs. unsigned comparison failures on some hosts.
4985 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4988 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4989 change to FLOAT_REGS.
4991 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4992 (rs6000_override_options): Use it.
4993 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4994 only for -mabi=spe/no-spe and -mabi=altivec.
4996 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4998 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5001 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5003 * Makefile.in: Rename docdir to gcc_docdir.
5005 2006-03-30 Roger Sayle <roger@eyesopen.com>
5008 * expr.c (emit_group_store): Optimize group stores into a pseudo
5009 register by using a paradoxical subreg to initialize the destination
5010 if the first or last member of the group specifies a "low part".
5012 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5015 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5016 * target.h (struct gcc_target.speculate_insn): Change type of the
5017 second parameter to 'int'.
5018 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5019 the second operand of the DEPS_LIST.
5020 (copy_DEPS_LIST_list): Update reference to the second operand of the
5022 * rtl.h (alloc_DEPS_LIST): Update signature.
5023 * sched-int.h (ds_t): Change typedef to 'int'.
5024 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5026 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5028 * haifa-sched.c (try_ready): Change condition to restore
5029 non-speculative pattern of the instruction.
5030 (process_insn_depend_be_in_spec): Code to keep probability of the
5031 speculative dependence non-decreasing.
5033 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5035 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5036 (single_move_for_movmem): ... this. Also change all uses.
5037 (bfin_expand_strmov): Renamed to...
5038 (bfin_expand_movmem): ... this. Also change all uses.
5039 * config/bfin/bfin.md (movstrsi): Renamed to...
5040 (movstrsi): ...this.
5042 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5044 PR tree-optimization/26830
5046 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5047 (copy_prop_visit_stmt): Remove write-only variable ann.
5048 (init_copy_prop): Check variable loop depth here. Do not simulate
5049 memory-tag and virtual operand PHIs except for store copy prop.
5051 2006-03-30 Richard Guenther <rguenther@suse.de>
5053 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5054 variants with double arguments.
5056 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5058 * genpreds.c (write_tm_constrs_h): Delete variable p.
5059 * genconditions.c (write_header): Add tm-constrs.h to included
5061 * genpeep.c (main): Add toplev.h to included headers.
5062 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5063 (build/genpeep.o): Add toplev.h dependency.
5064 * config/rs6000/constraints.md: Add "W" constraint.
5066 2006-03-29 Roger Sayle <roger@eyesopen.com>
5068 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5069 sizes by correctly testing whether the size fits a host integer.
5070 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5071 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5072 SImode range for the default sizetype and bitsizetype.
5074 2006-03-29 Roger Sayle <roger@eyesopen.com>
5076 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5077 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5078 quickly if the argument is already of the correct type.
5079 Call fold_build1 instead of build1. Tidy up blank lines.
5081 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5083 * genemit.c (main): Add tm-constrs.h to included headers.
5084 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5085 * genpeep.c (main): Add tm-constrs.h to included headers.
5086 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5087 (write_tm_constrs_h): this and write complete file.
5088 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5089 (write_insn_preds_c): Add tm-constrs.h to included headers.
5090 (gen_constrs): New variable.
5091 (parse_option): Parse "-c".
5092 (main): Invoke write_tm_constrs_h.
5093 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5094 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5095 (object_out_file): Add tm-constrs.h dependency.
5096 (insn-emit.o): Same.
5097 (insn-output.o): Same.
5098 (insn-peep.o): Same.
5099 (insn-preds.o): Same.
5100 (insn-recog.o): Same.
5101 (tm-constsr.h): New target.
5102 (s-constrs-h): New target.
5104 * config/rs6000/constraints.md: New file.
5105 * config/rs6000/rs6000.c: Include tm-constrs.h.
5106 (num_insn_constant_wide): Convert to satisfies_constraint.
5107 (rs6000_rtx_costs): Convert to satisfies_constraint.
5108 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5109 (CONST_OK_FOR_LETTER_P): Delete.
5110 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5111 (EXTRA_CONSTRAINT): Delete.
5112 (EXTRA_MEMORY_CONSTRAINT): Delete.
5113 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5114 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5115 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5116 satisfies_constraint.
5118 * config/i386/i386.c: Include tm-constrs.h.
5120 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5122 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5123 * tree-data-ref.c (find_data_references_in_loop,
5124 compute_data_dependences_for_loop): Use pointers to VEC.
5125 (analyze_all_data_dependences): Adjust calls.
5126 * tree-data-ref.h (find_data_references_in_loop,
5127 compute_data_dependences_for_loop): Adjust declarations.
5128 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5129 compute_data_dependences_for_loop.
5131 2006-03-29 Paul Brook <paul@codesourcery.com>
5133 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5136 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5138 PR tree-optimization/26859
5139 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5141 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5142 for the step after fold_convert.
5144 2006-03-29 Paul Brook <paul@codesourcery.com>
5146 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5147 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5149 2006-03-29 Paul Brook <paul@codesourcery.com>
5152 * targhooks.c (default_narrow_bitfield): New fuction.
5153 * targhooks.h (default_narrow_bitfield): add prototype.
5154 * target.h (gcc_target): Add narrow_volatile_bitfield.
5155 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5156 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5157 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5158 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5160 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5162 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5164 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5165 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5166 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5167 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5168 (s390_function_arg_float): Allow SDmode and DDmode values to be
5169 passed in floating point registers.
5170 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5171 check with SCALAR_FLOAT_MODE_P.
5172 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5174 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5176 PR tree-optimization/25985
5177 * tree-ssa-loop-niter.c (number_of_iterations_le,
5178 number_of_iterations_ne): Make comments more precise.
5179 (number_of_iterations_cond): Add only_exit argument. Use the
5180 fact that signed variables do not overflow only when only_exit
5182 (loop_only_exit_p): New.
5183 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5184 number_of_iterations_cond.
5186 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5188 PR tree-optimization/26643
5189 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5192 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5194 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5195 (divsi3_i4_int): Likewise.
5197 2006-03-28 Roger Sayle <roger@eyesopen.com>
5199 * expr.c (emit_group_store): Only create a new pseudo reg if the
5200 quantity it needs to hold isn't already a suitable pseudo.
5202 2006-03-28 Jeff Law <law@redhat.com>
5204 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5205 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5207 2006-03-28 Roger Sayle <roger@eyesopen.com>
5209 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5210 the equivalent ~X & Y, and the symmetry related transformations.
5211 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5212 ~X & Y, and symmetry related transforms.
5214 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5216 Revert my 2006-03-27 patches.
5218 2006-03-28 Roger Sayle <roger@eyesopen.com>
5220 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5221 ~(T1)X, when T1 and T2 are integer types of the same precision
5222 and (T2)X isn't an extension.
5224 2006-03-28 Jeff Law <law@redhat.com>
5226 PR tree-optimization/26796
5227 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5228 need EH edge cleanups rather than purging them immediately.
5229 (eliminate_degenerate_phis): Handle queued EH cleanups.
5231 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5233 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5236 2006-03-27 Roger Sayle <roger@eyesopen.com>
5239 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5240 cast BIT_NOT_EXPR operand to the correct type.
5242 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5244 * tree-loop-linear.c: Don't include varray.h.
5245 (gather_interchange_stats, try_interchange_loops,
5246 linear_transform_loops): Use VEC instead of VARRAY.
5247 * lambda-mat.c: Don't include varray.h.
5248 * tree-chrec.c: Same.
5249 * lambda-trans.c: Same.
5250 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5251 VEC instead of VARRAY.
5252 * tree-vectorizer.h: Idem.
5253 * tree-data-ref.c (dump_data_references,
5254 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5255 initialize_data_dependence_relation, finalize_ddr_dependent,
5256 compute_all_dependences, find_data_references_in_loop,
5257 compute_data_dependences_for_loop, analyze_all_data_dependences,
5258 free_dependence_relation, free_dependence_relations,
5259 free_data_refs): Idem.
5260 * tree-data-ref.h (data_reference_p, subscript_p): New.
5261 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5262 VEC instead of VARRAY.
5263 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5264 (find_data_references_in_loop, compute_data_dependences_for_loop,
5265 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5266 dump_data_dependence_relations, free_dependence_relations,
5267 free_data_refs): Adjust declaration.
5268 (lambda_transform_legal_p): Move declaration here...
5269 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5270 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5271 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5272 vect_analyze_data_refs): Use VEC instead of VARRAY.
5273 * lambda.h (lambda_transform_legal_p): ...from here.
5274 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5275 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5276 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5277 tree-chrec.o): Don't depend on VARRAY_H.
5279 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5281 * rtl.def (Copyright): Update date.
5282 (DEPS_LIST): Change type of the second operand to 'int'.
5283 * target.h (Copyright): Update date.
5284 (struct gcc_target.speculate_insn): Change type of the second parameter
5286 * lists.c (Copyright): Update date.
5287 (alloc_DEPS_LIST): Change signature. Update reference to the second
5288 operand of the DEPS_LIST.
5289 (copy_DEPS_LIST_list): Update reference to the second operand of the
5291 * rtl.h (Copyright): Update date.
5292 (alloc_DEPS_LIST): Update signature.
5293 * sched-int.h (Copyright): Update date.
5294 (ds_t): Change typedef to 'int'.
5295 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5297 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5299 * haifa-sched.c (Copyright): Update date.
5300 (try_ready): Change condition to restore non-speculative pattern
5302 (process_insn_depend_be_in_spec): Code to keep probability of the
5303 speculative dependence non-decreasing.
5305 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5307 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5308 shut up the compiler.
5310 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5312 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5313 to use lib prefix for target.
5314 ($(T)libic_invalidate_array_4-200.a): Likewise.
5315 ($(T)libic_invalidate_array_4a.a): Likewise.
5317 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5318 J"orn Rennecke <joern.rennecke@st.com>
5320 * superh.opt: New file.
5321 * sh.c (boardtype, osruntime): Remove.
5322 * superh.h (SUBTARGET_OPTIONS): Remove.
5323 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5325 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5326 arguments with ^ and/or [].
5328 * config.gcc (sh-*-*): Add quoting to account for quirk of
5330 Replace == with = in enable_incomplete_targets test.
5332 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5333 with MASK_LITTLE_ENDIAN.
5335 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5336 * config/sh/sh.opt: Added to some comments.
5337 * config/sh/superh.h: Removed some chaff.
5339 * config/sh/sh.opt: Add m4-[1234]00* options.
5340 * config/sh/sh.c (sh_handle_option): Likewise.
5341 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5342 (ic_invalidate_array_4-100.o): New rule.
5343 ($(T)libic_invalidate_array_4-100.a): Likewise.
5344 (ic_invalidate_array_4-200.o): Likewise.
5345 ($(T)libic_invalidate_array_4-200.a): Likewise.
5346 (ic_invalidate_array_4a.o): Likewise.
5347 ($(T)libic_invalidate_array_4a.a): Likewise.
5348 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5349 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5351 * config/sh/crt1.asm: Merged in profiling code.
5352 * config/sh/superh.h (STARTFILE_SPEC): Override.
5353 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5354 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5355 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5357 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5358 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5359 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5361 * sh.opt (mpretend-cmove): New option.
5362 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5363 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5364 (movsicc): Add TARGET_PRETEND_CMOVE code.
5366 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5368 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5369 s390_class_max_nregs): New function prototypes.
5370 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5371 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5372 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5373 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5375 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5377 * dwarf2out.c (add_location_or_const_value_attribute): Call
5378 tree_add_const_value_attribute if nothing else works.
5379 (reference_to_unused): New.
5380 (rtl_for_decl_init): Use reference_to_unused to decide whether
5381 to output an initializer.
5383 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5386 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5387 peephole removing spe frob_di_df_2.
5389 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5391 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5392 (subscript_dependence_tester_1): Declared.
5393 (print_dir_vectors, print_dist_vectors): New.
5394 (debug_data_dependence_relation): New.
5395 (dump_data_dependence_relation): Print more details.
5396 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5397 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5398 (save_dist_v, save_dir_v, add_outer_distances,
5399 build_classic_dist_vector_1): New.
5400 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5401 Don't test for lambda_vector_lexico_pos.
5402 (same_access_functions, add_multivariate_self_dist,
5403 add_other_self_distances, dir_from_dist): New.
5404 (build_classic_dir_vector): Replace implementation almost identical to
5405 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5407 (subscript_dependence_tester_1): New.
5408 (subscript_dependence_tester): Handle the lexicographically negative
5409 distance vectors by recomputing the dependence relation.
5410 (compute_affine_dependence): Remove parameter loop_nest_depth.
5411 (compute_self_dependence): Don't call compute_subscript_distance.
5412 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5413 Add a parameter for the loop_nest.
5414 (find_loop_nest_1, find_loop_nest): New.
5415 (compute_data_dependences_for_loop): Compute the loop nest, and give
5416 up if the nest is not well formed.
5417 * tree-data-ref.h (loop_p): New.
5418 (struct data_dependence_relation): Replace size_vect field with
5419 loop_nest, a vec of loops.
5420 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5421 (DDR_LOOP_NEST): New.
5422 (print_dir_vectors, print_dist_vectors,
5423 debug_data_dependence_relation): Declared.
5424 (index_in_loop_nest): New.
5425 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5426 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5429 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5431 * simplify-rtx.c (simplify_relational_operation): Call
5432 simplify_relational_operation_1 even if mode is VOIDmode.
5434 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5436 PR tree-optimization/26804
5437 * tree.h (DECL_CALL_CLOBBERED): New macro.
5438 (tree_decl_common): Add call_clobbered_flag.
5439 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5440 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5441 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5442 (mark_non_addressable): Ditto.
5443 * tree-ssa.c (verify_call_clobbered): New function.
5444 (verify_alias_info): Use it.
5445 * tree-pass.h (pass_reset_cc_flags): New prototype.
5446 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5447 (reset_cc_flags): New function.
5448 * passes.c (init_optimization_passes): Call reset_cc_flags after
5449 initializing referenced_vars.
5451 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5452 Roger Sayle <roger@eyesopen.com>
5455 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5456 to 1.0 for non-real operands. Implement A / A optimization for
5459 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5461 * config/i386/i386.c (size_cost): Correct the comment for
5462 cost of storing fp registers.
5463 (i386_cost): Likewise.
5464 (i486_cost): Likewise.
5465 (pentium_cost): Likewise.
5466 (pentiumpro_cost): Likewise.
5467 (k6_cost): Likewise.
5468 (athlon_cost): Likewise.
5469 (k8_cost): Likewise.
5470 (pentium4_cost): Likewise.
5471 (nocona_cost): Likewise.
5472 (generic64_cost): Likewise.
5473 (generic32_cost): Likewise.
5475 2006-03-24 Denis Chertykov <denisc@overta.ru>
5477 * config/avr/avr-protos.h (extra_constraint): Delete.
5478 (extra_constraint_Q): New declaration.
5479 * config/avr/constraints.md: New file.
5480 * config/avr/avr.md: Include it.
5481 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5482 (TMP_REGNO, ZERO_REGNO): Likewise.
5483 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5484 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5485 (extra_constraint): Delete.
5486 (extra_constraint_Q): Test for memory constraint 'Q'.
5487 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5488 (REG_CLASS_FROM_LETTER): Delete.
5489 (CONST_OK_FOR_LETTER_P): Delete.
5490 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5491 (EXTRA_CONSTRAINT): Delete.
5492 (TMP_REGNO): Delete.
5493 (ZERO_REGNO): Delete.
5495 2006-03-24 Jeff Law <law@redhat.com>
5497 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5498 directly. Call mark_new_vars_to_rename slightly earlier.
5500 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5502 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5504 (gen_compile_unit_die): Use new language types for Objective-C and
5506 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5507 DW_LANG_C_plus_plus.
5510 * config/t-darwin (crt3.o): Work around bug 26840.
5511 * config/darwin-crt3.c: Rewrite.
5512 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5514 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5516 * doc/invoke.texi: Document -femit-class-debug-always
5517 * common.opt: Add -femit-class-debug-always.
5519 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5521 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5522 index and base register.
5523 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5524 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5525 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5526 REGNO_OK_FOR_INDEX_P.
5527 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5529 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5530 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5531 REG_OK_FOR_BASE_P): Definitions removed.
5533 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5536 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5537 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5538 set yet or weren't marked as local yet.
5540 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5542 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5545 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5547 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5548 (rs6000_legitimate_small_data_p): Delete.
5549 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5550 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5551 and make static. Add forward declaration. Update uses.
5552 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5553 of offsettable_memref_p.
5554 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5555 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5557 2006-03-24 Jeff Law <law@redhat.com>
5559 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5560 around bug in immediate-use iterator.
5562 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5565 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5566 or __LITTLE_ENDIAN__.
5568 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5570 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5571 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5572 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5573 * config/sh/sh.opt (mdiv=): Amend description.
5574 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5575 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5576 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5577 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5578 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5579 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5580 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5581 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5582 TARGET_DIVIDE_CALL_FP.
5584 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5586 * haifa-sched.c (choose_ready): Fix type of the local variable.
5587 Move local variables. Add comment.
5588 (check_reg_live): Change signature. Make callable from debugger.
5589 * sched-int.h (check_reg_live): Update signature.
5590 * sched-ebb.c (check_reg_live): Update parameters.
5591 * sched-rgn.c (check_reg_live): Ditto.
5592 (region_head_or_leaf_p): Check pointer before dereferencing.
5593 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5594 before reload on optimization levels below 1.
5596 2006-03-23 Richard Henderson <rth@redhat.com>
5598 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5602 * config/alpha/predicates.md (local_symbolic_operand): Reject
5605 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5608 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5609 expressions which have overflowed constants.
5611 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5613 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5615 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5617 * cfgloopmanip.c (create_loop_notes): Removed.
5618 * final.c (final_scan_insn): Do not handle loop notes.
5619 * jump.c (squeeze_notes): Ditto.
5620 * cfglayout.c (skip_insns_after_block,
5621 duplicate_insn_chain): Ditto.
5622 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5624 * cfgloop.h (create_loop_notes): Declaration removed.
5626 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5628 * varasm.c (output_constant_pool): Restore fnname and fndecl
5630 (assemble_start_function): Adjust call accordingly.
5631 (assemble_end_function): Likewise.
5633 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5636 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5639 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5641 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5644 * system.h (ICE_EXIT_CODE): New macro.
5645 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5646 (diagnostic_action_after_output): Likewise.
5647 * gcc.c (fatal_ice): New function.
5648 (execute): Use it instead of fatal.
5649 (fancy_abort): Likewise.
5650 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5652 2006-03-22 Jeff Law <law@redhat.com>
5654 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5655 iv_analyze_result returning false.
5657 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5659 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5661 2006-03-22 Richard Henderson <rth@redhat.com>
5664 * except.c (duplicate_eh_regions_0): New.
5665 (duplicate_eh_region_1): Duplicate the children of the node as
5666 well as the node itself. Link them up properly.
5667 (duplicate_eh_region_2): Merge into ...
5668 (duplicate_eh_regions): ... here. Take copy_region argument, and
5669 copy only a sub-tree if asked. Simplify copying and fixup.
5670 (eh_region_outer_p): New.
5671 * except.h (duplicate_eh_regions): Update decl.
5672 (eh_region_outer_p): Declare.
5673 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5674 (lower_omp_master): Likewise.
5675 (lower_omp_ordered): Likewise.
5676 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5677 (move_stmt_r): Use it to remap labels. Handle recursion vs
5678 remap_decls_p properly.
5679 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5680 (find_outermost_region_in_block): New.
5681 (new_label_mapper): New.
5682 (move_sese_region_to_fn): Copy eh information to the new function
5684 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5686 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5689 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5691 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5692 into shared libraries.
5694 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5696 * doc/md.texi: Refer to i386/constraints.md instead of
5698 * config/i386/constraints.md: New file, extracted from...
5699 * config/i386/predicates.md: ...here.
5700 * config/i386/i386.md: Include constraints.md.
5702 2006-03-21 Jason Merrill <jason@redhat.com>
5704 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5707 * expr.c (init_block_move_fn): Force default visibility.
5708 (init_block_clear_fn): Likewise.
5709 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5710 * targhooks.c (default_external_stack_protect_fail): Likewise.
5712 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5714 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5715 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5716 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5717 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5718 (loadgp): Use mips_current_loadgp_style.
5719 (loadgp_noshared): New pattern.
5720 (sibcall_internal): Use MIPS_CALL.
5721 (sibcall_value_internal): Likewise.
5722 (sibcall_value_multiple_internal): Likewise.
5723 (call_internal): Likewise.
5724 (call_value_internal): Likewise.
5725 (call_value_multiple_internal): Likewise.
5726 (call_split): Use MIPS_CALL and add an 'S' constraint.
5727 (call_value_split): Likewise.
5728 (call_value_multiple_split): Likewise.
5729 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5730 (-mshared): New option.
5731 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5732 (mips_current_loadgp_style): Declare.
5733 * config/mips/mips.c (mips_classify_symbol): Avoid using
5734 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5735 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5736 TARGET_ABSOLUTE_ABICALLS.
5737 (override_options): Adjust comments. Improve the warning that is
5738 issued when -mabicalls and -G are used together.
5739 (mips_file_start): Remove comment.
5740 (mips_current_loadgp_style): New function.
5741 (mips_gnu_local_gp): New variable.
5742 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5744 (mips_output_function_prologue): Use mips_current_laodgp_style.
5745 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5746 the cprestore instruction.
5747 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5748 live for TARGET_ABSOLUTE_ABICALLS.
5749 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5750 (ASM_SPEC): Pass down -mshared and -mno-shared.
5751 (MIPS_CALL): New macro.
5752 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5754 * doc/invoke.texi (-mabicalls): Update documentation.
5755 (-mshared): Document.
5757 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5759 * config/ia64/unwind-hpux.c: New file.
5760 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5762 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5765 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5767 2006-03-21 Jeff Law <law@redhat.com>
5769 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5770 type conversions of a VR_VARYING source to a wider type.
5772 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5774 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5775 tm_file on Solaris 10 and later.
5776 (sparc64-*-solaris2*): Likewise.
5777 (sparc-*-solaris2*): Likewise.
5778 * config/sol26.h: Rename to config/sol2-6.h.
5779 * config/sol2-10.h: New file.
5781 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5784 * tree-ssa-pre.c (create_component_ref_by_pieces):
5787 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5790 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5791 return it immediately.
5793 2006-03-21 Michael Matz <matz@suse.de>
5795 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5797 (remove_arc, add_arc): Update num_out_arcs member.
5798 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5800 (cache_presence): New function.
5801 (compare_states_for_equiv): New function.
5802 (state_is_differed): Don't take number of outargs, adjust callers.
5803 Use new invariant for speeding up.
5804 (init_equiv_class): Create initial classes based on sorted
5806 (partition_equiv_class): Don't track out_arcs_num.
5807 (evaluate_equiv_classes): Call cache_presence on all states and
5810 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5812 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5813 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5814 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5815 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5817 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5818 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5819 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5820 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5821 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5823 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5824 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5825 (REGNO_REG_CLASS): ARGP is in PREGS.
5826 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5828 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5829 to deal with those addresses.
5830 * addresses.h: New file.
5831 * caller-save.c: Include "addresses.h".
5832 (init_caller_save): Use new base_reg_class function.
5833 * rtl-factoring.c: Include "addresses.h".
5834 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5835 * recog.c: Include "addresses.h".
5836 (preprocess_constraints): Use new base_reg_class function.
5837 * regrename.c: Include "addresses.h".
5838 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5839 functions. Keep track of a new var INDEX_CODE to compute valid
5841 (replace_oldest_value_addr): Likewise.
5842 (replace_oldest_value_mem): Use base_reg_class.
5843 * reload.c: Include "addresses.h".
5844 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5845 (find_reloads): Use new base_reg_class function.
5846 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5847 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5848 all callers and prototype changed.
5849 * reload1.c: Include "addresses.h".
5850 (maybe_fix_stack_asms): Use base_reg_class.
5851 * regclass.c: Include "addresses.h".
5852 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5853 (init_reg_autoinc): Use new base_reg_class function.
5854 (record_reg_classes): Likewise.
5855 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5856 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5857 Use new args to compute necessary class.
5859 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5860 regrename.o, rtl-factoring.o): Update dependencies.
5861 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5862 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5863 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5864 REG_OK_FOR_INDEX_P): Delete documentation.
5866 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5868 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5869 from V7 to V9 for Solaris 7 and above.
5871 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5873 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5874 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5875 argument pointers may not alias any other storage.
5876 * common.opt: Define option -fargument-noalias-anything.
5877 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5878 alias semantics is specified by flag_argument_noalias > 2.
5880 2006-03-20 Jeff Law <law@redhat.com>
5882 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5883 (pass_phi_only_cprop): Declare.
5884 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5886 * tree-ssa-dom.c (degenerate_phi_result): New function.
5887 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5888 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5889 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5890 (eliminate_degenerate_phis): Likewise.
5891 (pass_phi_only_cprop): New pass descriptor.
5892 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5893 support code. Callers updated.
5894 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5895 (store_copy_prop): Likewise.
5896 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5898 2006-03-20 Jason Merrill <jason@redhat.com>
5901 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5902 (push_visibility, pop_visibility): Likewise.
5903 * c-pragma.h: Declare them.
5905 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5907 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5909 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5910 parameter and use get_ebb_head_tail.
5911 (sh_md_init_global): Adjust uses of find_regmode_weight.
5913 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5915 * function.h (struct function) <x_tail_recursion_reentry>:
5916 Rename to x_stack_check_probe_note.
5917 (tail_recursion_reentry): Rename to stack_check_probe_note.
5918 * function.c: Replace tail_recursion_reentry with
5919 stack_check_probe_note everywhere.
5920 (expand_function_start): Only emit a note for
5921 stack_check_probe_note with -fstack-protect.
5922 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5924 * emit-rtl.c (remove_unnecessary_notes): Remove.
5925 (pass_remove_unnecessary_notes): Remove.
5926 * rtl.h (remove_unnecessary_notes): Remove prototype.
5927 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5928 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5929 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5931 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5934 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5935 (valid_in_set): Handle ARRAY_REF.
5936 Change "if min_variant or VH" to asserts.
5937 (create_component_ref_by_pieces): Handle ARRAY_REF.
5938 (create_expression_by_pieces): Likewise.
5939 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5941 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5943 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5944 is operand of switch, not str[0].
5946 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5948 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5949 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5951 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5953 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5954 end of insn_extra_address_constraint declaration.
5956 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5958 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5959 (no-sum-in-toc): Same.
5960 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5962 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5963 NO_FP_IN_TOC for -fPIC instead of mask.
5965 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5966 (BOOT_LDFLAGS): Delete.
5968 * config/rs6000/t-aix52: Same.
5970 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5971 (stmsi[345678]_power): New.
5973 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5975 * config/ia64/ia64.opt: Add empty line to end of file.
5977 2006-03-17 Richard Guenther <rguenther@suse.de>
5980 * builtins.c (get_pointer_alignment): For component style references
5981 adjust alignment to the component type alignment. Make sure
5982 to adjust alignment for component access of constants.
5984 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5986 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5989 2006-03-17 Paul Brook <paul@codesourcery.com>
5991 * doc/install.texi: Docuemnt --with-mode.
5992 * config.gcc: Add --with-mode for arm*-*-*.
5993 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5995 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5997 * sh.c (max_labelno_before_reorg): New variable.
5998 (sh_reorg): Initialize it.
5999 (find_barrier): Check max_labelno_before_reorg before using
6000 label_to_alignment. Take length of explicit alignment insns
6001 into account. When seeing a UNSPECV_CONST_END, return it.
6003 * sh.c (fixup_mova): Set mode of affected label to QImode.
6004 (untangle_mova): New function.
6005 (find_barrier): Use it. Check mode of label before decrementing
6007 (sh_reorg): Likewise.
6008 Set mode of all insns back to VOIDmode.
6010 * sh.c (MOVA_LABELREF): New macro.
6011 (mova_p, fixup_mova, sh_reorg): Use it.
6012 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6013 ADDR_DIFF_VEC matches mova.
6015 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6017 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6018 with ATTRIBUTE_UNUSED.
6020 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6022 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6023 pointer, instead of assuming it is possible to derive the
6024 correct args size from a call insn.
6026 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6028 * rtl.h (CONST_INT_P): Define.
6029 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6030 instead of GET_CODE(x) == CONST_INT.
6031 (vax_rtx_costs): Likewise.
6032 (vax_output_int_move): Likewise.
6033 (vax_output_int_add): Likewise.
6034 (legitimate_constant_address_p): Likewise.
6035 (index_term_p): Likewise.
6036 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6037 * config/vax/vax.md (and<mode>3): Likewise.
6038 (ashrsi3): Likewise.
6040 (movstricthi): Likewise.
6041 (movstrictqi): Likewise.
6042 (rotrsi3): Likewise.
6043 (five unnamed insns): Likewise.
6045 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6047 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6048 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6049 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6050 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6051 Pass to ASM_OUTPUT_DWARF_OFFSET.
6052 * dwarf2out.c (debug_frame_section): New.
6053 (output_call_frame_info): Use debug_frame_section. Pass it to
6054 dw2_asm_output_offset.
6055 (output_die): Pass appropriate section to dw2_asm_output_offset.
6056 (output_compilation_unit_header): Likewise.
6057 (output_pubnames): Likewise.
6058 (output_aranges): Likewise.
6059 (enum dw_val_class): Break dw_val_class_lbl_offset into
6060 dw_val_class_lineptr and dw_val_class_macptr.
6061 (add_AT_lbl_offset): Delete.
6062 (add_AT_lineptr): New.
6063 (add_AT_macptr): New.
6064 (AT_lbl): Expect a lineptr or macptr.
6065 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6066 (attr_checksum): Likewise.
6067 (same_dw_val_p): Likewise.
6068 (size_of_die): Likewise.
6069 (value_format): Likewise.
6070 (output_die): Likewise.
6071 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6073 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6074 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6075 * config/darwin-protos.h (darwin_file_start): New.
6076 (darwin_asm_output_dwarf_offset): New.
6077 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6078 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6080 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6081 if not EH section; simplify.
6082 (darwin_file_start): New.
6083 (darwin_asm_output_dwarf_offset): New.
6084 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6086 (DEBUG_INFO_SECTION): Likewise.
6087 (DEBUG_ABBREV_SECTION): Likewise.
6088 (DEBUG_ARANGES_SECTION): Likewise.
6089 (DEBUG_MACINFO_SECTION): Likewise.
6090 (DEBUG_LINE_SECTION): Likewise.
6091 (DEBUG_LOC_SECTION): Likewise.
6092 (DEBUG_PUBNAMES_SECTION): Likewise.
6093 (DEBUG_STR_SECTION): Likewise.
6094 (DEBUG_RANGES_SECTION): Likewise.
6095 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6096 (ASM_OUTPUT_DWARF_OFFSET): New.
6098 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6100 * config.gcc (tm_defines): Always add to previous value rather
6103 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6105 * config/mips/predicates.md (splittable_const_int_operand): New,
6106 split from move_operand.
6107 (splittable_symbolic_operand): New.
6108 (move_operand): Add commentary. Use splittable_const_int_operand.
6109 Inline mips_atomic_symbolic_constant_p.
6110 * config/mips/mips.md: Add combine splitters for handling moves
6111 of splittable_const_int_operands and splittable_symbolic_operands.
6112 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6113 (mips_split_symbol): Declare.
6114 (mips_move_integer): Declare.
6115 * config/mips/mips.c (mips_split_p): Make global.
6116 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6117 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6118 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6119 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6120 (mips_offset_within_object_p): Handle block symbols.
6121 (mips_atomic_symbolic_constant_p): Delete.
6122 (mips_cannot_force_const_mem): Return false for constants that
6123 mips_legitimize_move can handle.
6124 (mips_use_blocks_for_constant_p): New function.
6125 (mips_split_symbol): Make global.
6126 (mips_move_integer): Likewise. Add a temporary register argument.
6127 (mips_legitimize_const_move): Use splittable_const_int_operand and
6128 splittable_symbolic_operand.
6129 (mips_use_anchors_for_symbol_p): New function.
6130 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6131 (mips_split_p): Declare.
6133 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6135 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6136 (mips*-*-linux*): Likewise.
6138 2006-03-16 Roger Sayle <roger@eyesopen.com>
6139 Daniel Speyer <dspeyer@wam.umd.edu>
6142 * tree-dump.c (dump_real): New function.
6143 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6144 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6145 (tree-dump.o): Add $(REAL_H) to the dependencies.
6147 2006-03-16 Roger Sayle <roger@eyesopen.com>
6150 * real.c (real_from_string): If the mantissa is zero, don't bother
6151 parsing the exponent as the result should always be zero.
6153 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6155 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6157 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6159 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6160 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6161 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6162 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6163 ia64_sched_finish_global): New static functions to implement
6164 hooks from gcc_target.sched.
6165 (spec_check_no, max_uid, pending_data_specs): New static variables.
6166 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6167 ia64_spec_check_src_p): New static functions.
6168 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6169 (TARGET_SCHED_ADJUST_COST): Removed.
6170 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6171 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6172 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6173 TARGET_SCHED_GEN_CHECK,
6174 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6175 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6176 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6177 Fixed to handle speculation checks.
6178 (rtx_needs_barrier): Fixed to handle speculative loads and
6180 (ia64_variable_issue): Added code to count speculative loads and their
6182 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6184 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6186 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6188 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6189 (ia64_reorg): Reset stops_p to NULL after it is freed.
6190 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6191 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6192 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6194 (data_speculative, control_speculative, check_load): New attributes.
6195 (mov<mode>_advanced, mov<mode>_speculative,
6196 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6197 zero_extend<mode>di2_speculative,
6198 zero_extend<mode>di2_speculative_advanced): New patterns for
6199 data and control speculative loads.
6200 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6202 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6203 New pattern for data and control speculation checks.
6204 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6205 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6206 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6207 Auxiliary definitions for the patterns.
6208 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6209 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6211 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6213 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6214 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6215 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6216 New resource constraints.
6217 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6219 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6220 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6221 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6222 msched-in-control-spec, msched-ldc, msched-control-ldc,
6223 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6224 msched-prefer-non-control-spec-insns,
6225 msched-count-spec-in-critical-path): New flags to tune speculative
6227 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6228 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6229 msched-in-control-spec, msched-ldc, msched-control-ldc,
6230 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6231 msched-prefer-non-control-spec-insns,
6232 msched-count-spec-in-critical-path): Document new flags.
6234 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6236 * target.h (struct spec_info_def): New opaque declaration.
6237 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6238 speculate_insn, needs_block_p, gen_check,
6239 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6240 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6241 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6242 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6243 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6244 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6246 (TARGET_SCHED): Use new macros.
6247 * rtl.h (copy_DEPS_LIST_list): New prototype.
6248 * sched-int.h (struct sched_info): Change signature of new_ready field,
6249 adjust all initializations. New fields: add_remove_insn,
6250 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6251 region_head_or_leaf_p.
6252 (struct spec_info_def): New structure declaration.
6253 (spec_info_t): New typedef.
6254 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6255 recovery_block, orig_pat.
6256 (glat_start, glat_end): New variables declaraions.
6257 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6259 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6260 DETACH_LIFE_INFO, USE_GLAT.
6261 (enum SPEC_SCHED_FLAGS): New enumeration.
6262 (NOTE_NOTE_BB_P): New macro.
6263 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6264 attach_life_info, debug_spec_status, check_reg_live): New functions.
6265 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6266 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6268 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6269 * ddg.c (get_block_head_tail): Adjust all uses.
6270 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6271 (sms_sched_info): Initialize new fields.
6272 (contributes_to_priority): Removed.
6273 * haifa-sched.c (params.h): New include.
6274 (get_block_head_tail): Adjust all uses.
6275 (ISSUE_POINTS): New macro.
6276 (glat_start, glat_end): New global variables.
6277 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6278 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6279 old_last_basic_block, before_recovery, current_sched_info_var,
6280 rgn_n_insns, luid): New static variables.
6281 (insn_cost1): New function. Move logic from insn_cost to here.
6282 (find_insn_reg_weight1): New function. Move logic from
6283 find_insn_reg_weight to here.
6284 (reemit_notes, move_insn, max_issue): Change signature.
6285 (move_insn1): Removed.
6286 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6287 extend_bb): New static functions to support extension of scheduler's
6289 (generate_recovery_code, process_insn_depend_be_in_spec,
6290 begin_speculative_block, add_to_speculative_block,
6291 init_before_recovery, create_recovery_block, create_check_block_twin,
6292 fix_recovery_deps): New static functions to support
6293 generation of recovery code.
6294 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6295 restore_bb_notes, move_block_after_check, move_succs): New static
6296 functions to support ebb scheduling.
6297 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6298 functions to support handling of register live information.
6299 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6300 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6301 add_jump_dependencies): New static functions.
6302 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6303 consistancy checking.
6304 (debug_spec_status): New function to call from debugger.
6305 (priority): Added code to handle speculation checks.
6306 (rank_for_schedule): Added code to distinguish speculative instructions.
6307 (schedule_insn): Added code to handle speculation checks.
6308 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6309 Fixed to handle ebbs.
6310 (move_insn): Added code to handle ebb scheduling.
6311 (max_issue): Added code to use ISSUE_POINTS of instructions.
6312 (choose_ready): Added code to choose between speculative and
6313 non-speculative instructions.
6314 (schedule_block): Added code to handle ebb scheduling and scheduling of
6315 speculative instructions.
6316 (sched_init): Initialize new variables.
6317 (sched_finish): Free new variables. Print statistics.
6318 (try_ready): Added code to handle speculative instructions.
6319 * lists.c (copy_DEPS_LIST_list): New function.
6320 * sched-deps.c (extend_dependency_caches): New function. Move logic
6321 from create_dependency_caches to here.
6322 (get_dep_weak, ds_merge): Make global.
6323 * genattr.c (main): Code to output prototype for
6324 dfa_clear_single_insn_cache.
6325 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6326 (output_dfa_clean_insn_cache_func): Code to output
6327 dfa_clear_single_insn_cache function.
6328 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6330 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6332 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6333 New static variables.
6334 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6335 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6337 (ebb_sched_info): Initialize new fields.
6338 (get_block_head_tail): Adjust all uses.
6339 (compute_jump_reg_dependencies): Fixed to use glat_start.
6340 (schedule_ebb): Code to remove unreachable last block.
6341 (schedule_ebbs): Added code to update register live information.
6342 * sched-rgn.c (region_sched_info): Initialize new fields.
6343 (get_block_head_tail): Adjust all uses.
6344 (last_was_jump): Removed. Adjust users.
6345 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6346 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6347 Implement new hooks.
6348 (check_dead_notes1): New static function.
6349 (struct region): New fields: dont_calc_deps, has_real_ebb.
6350 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6351 (BB_TO_BLOCK): Fixed to handle EBBs.
6352 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6353 (ebb_head): New static variable.
6354 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6355 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6357 (compute_dom_prob_ps): New assertion.
6358 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6359 global_live_at_start.
6360 (init_ready_list): New assertions.
6361 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6362 (new_ready): Add support for BEGIN_CONTROL speculation.
6363 (schedule_insns): Fixed code that updates register live information
6365 (schedule_region): Fixed to handle EBBs.
6366 (init_regions): Use extend_regions and check_dead_notes1.
6367 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6368 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6369 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6370 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6371 TARGET_SCHED_GEN_CHECK,
6372 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6373 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6374 * doc/invoke.texi (max-sched-insn-conflict-delay,
6375 sched-spec-prob-cutoff): Document.
6377 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6379 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6380 inter_tick, queue_index.
6381 (struct sched_info): Change signature of init_ready_list field.
6382 Adjust all initializations.
6383 (RESOLVED_DEPS): New access macro.
6384 (ready_add): Remove prototype.
6385 (try_ready): Add prototype.
6386 * sched-rgn.c (init_ready_list): Use try_ready.
6387 (schedule_region): Initialize
6388 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6389 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6390 (init_ready_list): Use try_ready.
6391 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6392 * lists.c (remove_list_elem): Remove `static'.
6393 (remove_free_INSN_LIST_elem): New function.
6394 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6395 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6396 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6398 (readyp): New variable.
6399 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6400 change_queue_index, resolve_dep): New static functions.
6401 (try_ready): New function. Adjust callers in sched-rgn.c and
6402 sched-ebb.c to use it instead of ready_add.
6403 (clock_var): Move at the begining of file.
6404 (rank_for_schedule): Fix typo.
6405 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6406 (ready_lastpos): Enforce assertion.
6407 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6409 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6410 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6411 (queue_to_ready): Use free_INSN_LIST_list.
6412 (early_queue_to_ready): Fix typo.
6413 (schedule_block): Init readyp. Move init_ready_list call after the
6414 initialization of clock_var. Fix error in rejecting insn by
6415 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6416 that previously corrected INSN_TICKs. Add code for handling
6418 (set_priorities): Fix typo.
6419 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6420 Clarify comment and code that keeps current_sched_info->next_tail
6423 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6425 * sched-rgn.c (extend_rgns): New static function.
6426 (find_rgns): Use it.
6427 (gather_region_statistics, print_region_statistics): New static
6429 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6430 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6432 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6433 Andrey Belevantsev <abel@ispras.ru>
6435 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6436 * lists.c (unused_deps_list): New variable.
6437 (free_list): Add assertions to verify the proper distinguishing
6438 between INSN_LISTs and DEPS_LISTs.
6439 (find_list_elem, remove_list_elem, remove_list_node): New static
6441 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6442 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6443 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6444 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6446 (free_INSN_LIST_node): Likewise.
6447 * modulo-sched.c (current_sched_info): Initialize flags field.
6448 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6449 * rtl.def (DEPS_LIST): Define.
6450 * rtl.h: Declare new functions from lists.c.
6451 * sched-deps.c (spec_dependency_cache): New static variable.
6452 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6453 (add_dependence): Change return type to void. Move the logic to ...
6454 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6455 (delete_all_dependences): Add comment about forward_dependency_cache.
6456 Handle spec_dependency_cache. Handle DEPS_LISTs.
6457 (fixup_sched_groups): Clarify the change of priority of output
6458 and anti dependencies.
6459 (sched_analyze_2): Adjust add_dependence calls to create data
6460 speculative dependence.
6461 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6462 Adjust all callers. Handle DEPS_LISTS.
6463 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6464 presence of speculation.
6465 (init_dependency_caches, free_dependency_caches):
6466 Handle spec_dependency_cache.
6467 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6468 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6469 New static functions.
6470 (add_or_update_back_dep, add_or_update_back_forw_dep,
6471 add_back_forw_dep, delete_back_forw_dep): New functions.
6472 * sched-int.h (ds_t, dw_t): New typedefs.
6473 (struct sched_info): Add new field flags.
6474 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6475 Prototype new sched-deps.c functions.
6476 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6477 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6478 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6479 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6480 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6481 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6483 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6485 * sched-rgn.c (current_sched_info): Initialize flags field.
6486 (schedule_insns): Initialize current_sched_info before the sched_init
6488 * sched-ebb.c (current_sched_info): Initialize flags field.
6489 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6490 Call add_or_update_back_dep instead of add_dependence.
6491 Create control speculative dependencies.
6492 (schedule_insns): Initialize current_sched_info before the sched_init
6495 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6497 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6499 (sh_fallback_frame_state): Likewise.
6501 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6503 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6504 Do switch on default_use_cxa_atexit.
6505 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6506 * config/darwin-crt3.o: New.
6507 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6508 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6509 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6511 * config/rs6000/t-darwin: Move crt2.o building to here.
6512 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6513 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6516 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6518 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6519 from '! xxx' to '!xxx' for coding-style conformance.
6520 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6521 (EXTRA_CONSTRAINT): Likewise.
6522 * config/vax/vax.md (four unnamed insns): Likewise.
6524 2006-03-15 Paul Brook <paul@codesourcery.com>
6526 * config/arm/arm.c (minipool_pad): New.
6527 (add_minipool_forward_ref): Include pool alignment padding in address
6529 (push_minipool_fix): Set minipool_pad.
6530 (minipool_pad): Ditto.
6532 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6534 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6535 instead of GET_CODE() == MEM and REG_P() instead of
6537 (print_operand_address): Likewise.
6538 (vax_address_cost): Likewise.
6539 (vax_rtx_costs): Likewise.
6540 (vax_notice_update_cc): Likewise.
6541 (vax_output_int_add): Likewise.
6542 (INDEX_REGISTER_P): Likewise.
6543 (BASE_REGISTER_P): Likewise.
6544 (nonindexed_address_p): Likewise.
6545 (vax_mode_dependent_address_p): Likewise.
6546 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6547 (PRINT_OPERAND): Likewise.
6548 * config/vax/vax.md (ashlsi3): Likewise.
6549 (ashlsi3): Likewise.
6550 (some more unnamed insns): Likewise.
6552 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6554 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6555 iterator-style macro.
6556 (mark_control_dependent_edges_necessary): Update the use of
6557 EXECUTE_IF_CONTROL_DEPENDENT.
6559 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6561 * config/sh/predicates.md (cache_address_operand): Special.
6562 (ua_address_operand): Likewise.
6564 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6566 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6568 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6570 2006-03-15 Andreas Schwab <schwab@suse.de>
6572 * gensupport.c (identify_predicable_attribute): Don't free p_false
6573 when it is still in use.
6575 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6577 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6578 the default setting here.
6580 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6582 * tree-pass.h (pass_cfg): Remove.
6583 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6584 * passes.c (pass_cfg): Don't run it.
6586 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6588 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6589 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6591 (stack_regs_mentioned): Update the uses of
6592 stack_regs_mentioned_data. Don't access the array beyond its
6594 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6595 Don't include gt-reg-stack.h.
6597 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6598 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6600 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6603 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6606 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6608 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6610 2006-03-14 Richard Guenther <rguenther@suse.de>
6612 PR tree-optimization/26672
6613 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6616 2006-03-14 Richard Guenther <rguenther@suse.de>
6618 PR tree-optimization/26667
6619 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6620 node for the callees. Always allow inlining if it will shrink
6623 2006-03-14 Richard Guenther <rguenther@suse.de>
6626 * builtins.c (get_pointer_alignment): Prefer alignment
6627 information from decls over that from types.
6629 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6632 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6634 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6636 * config/rs6000/rs6000.opt (mdlmzb): New option.
6637 (msched-prolog, msched-epilog): Use Var not Mask.
6638 * doc/invoke.texi (-mdlmzb): Document.
6639 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6641 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6642 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6644 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6646 PR rtl-optimization/25739
6647 * bt-load.c (augment_live_range): Free tos pointer.
6649 * gensupport.c (identify_predicable_attribute): Free
6651 * gcov.c (create_file_names): Free name pointer.
6653 2006-03-13 Roger Sayle <roger@eyesopen.com>
6656 * stmt.c (emit_case_nodes): Handle the case where the index is a
6657 CONST_INT, where the comparison mode is specified by the index type.
6659 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6661 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6664 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6666 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6667 (*branch_fp_inverted): Likewise.
6669 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6672 * omp-low.c (expand_omp_for_generic): Mark istart0
6673 and iend0 as addressable.
6675 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6677 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6679 2006-03-13 Jeff Law <law@redhat.com>
6681 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6682 virtual operands are interesting.
6683 (vrp_visit_stmt): Corresponding changes.
6685 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6687 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6689 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6690 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6691 * config/bfin/crti.S: Use it instead of __PIC__.
6692 * config/bfin/crtn.S: Likewise.
6694 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6695 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6697 Lose 'G' modifier for call operand.
6698 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6699 recognize 'G' modifier.
6701 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6704 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6705 * stmt.c (expand_case): Likewise.
6707 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6709 PR rtl-optimization/26254
6710 * loop-invariant.c (seq_insns_valid_p): New function.
6711 (move_invariant_reg): Only emit new code if it is valid.
6713 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6715 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6717 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6718 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6719 (commit_one_edge_insertion): Do not look for loop notes.
6721 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6723 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6724 flag_test_coverage out of loop.
6726 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6728 * final.c (shorten_branches): Remove outdated comment, and turn
6729 the if branch that guards it to continue.
6731 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6733 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6734 * cfgloop.h (struct loop): Remove unused fields.
6736 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6738 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6739 (-dL, -fdump-rtl-loop2): Update the dump file names
6741 * doc/invoke.texi: Update dump file names.
6743 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6745 * predict.c (estimate_probability): Remove.
6746 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6747 * basic-block.h (estimate_probability): Remove prototype.
6748 * passes.c (finish_optimization_passes): Dump branch prediction or
6749 profiling heuristics to the .profile tree dump.
6750 (init_optimization_passes): Unqueue pass_branch_prob.
6752 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6754 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6756 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6757 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6759 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6761 * function.h (frame_offset_overflow): Declare.
6762 * function.c (frame_offset_overflow): New function.
6763 (assign_stack_local_1): Call it to detect that the offset overflows.
6764 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6766 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6768 * config/sh/sh.c: Include alloc-pool.h.
6769 (label_ref_list_pool): New alloc pool.
6770 (label_ref_list_t): New type for lists of labels.
6771 (struct pool_node): Make wend a label_ref_list_t.
6772 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6774 (dump_table): Likewise.
6775 (sh_reorg): Set up the alloc pool before using add_constant and
6776 dump_table, and destroy it when finishing.
6778 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6780 * config/mips/mips.c: Remove redundant comment.
6782 2006-03-10 Jason Merrill <jason@redhat.com>
6785 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6786 the target was declared 'register'.
6788 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6790 * genpreds.c (write_insn_constraint_len): Change definition of
6791 insn_constraint_len to return size_t to match the declaration.
6793 2006-03-10 DJ Delorie <dj@redhat.com>
6795 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6797 (m32c_expand_insv): Fix test for an AND mask.
6799 2006-03-10 Richard Guenther <rguenther@suse.de>
6802 * builtins.c (get_pointer_alignment): Handle component
6803 references for field alignment.
6805 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6807 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6808 when building with libgloss.
6809 (sh*elf): Implement --without-fp option.
6810 (sh64-superh-linux*): Don't multilib.
6812 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6814 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6816 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6818 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6819 Set it when one of the replacement functions returned true.
6820 Return TODO_cleanup_cfg if cfgchanged is true.
6821 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6823 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6825 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6826 instead of gen_lowpart.
6828 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6830 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6832 (mips_output_order_conditional_branch): Declare.
6833 * config/mips/mips.h (MIPS_BRANCH): New macro.
6834 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6835 for the comparison. Use gen_condjump.
6836 (mips_output_conditional_branch): Rework interface to take the
6837 asm templates for a direct branch and the inverse of a direct branch.
6838 (mips_output_order_conditional_branch): New function.
6839 (mips_builtin_branch_and_move): New function.
6840 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6841 branch condition. Use gen_single_cc as the condition for
6842 __builtin_mips_upper_* or __builtin_mips_lower_*.
6843 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6844 Use VOIDmode for the branch condition.
6845 * config/mips/predicates.md (order_operator): New predicate.
6846 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6847 (branch_fp): Rename to...
6848 (*branch_fp): ...this. Remove mode from comparison operator.
6849 Use new mips_output_conditional_branch interface.
6850 (branch_fp_inverted): Rename to...
6851 (*branch_fp_inverted): ...this and update as for *branch_fp.
6852 (*branch_zero<mode>): Rename to...
6853 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6854 Use mips_output_order_conditional_branch. Only accept ordered
6856 (*branch_zero<mode>_inverted): Rename to...
6857 (*branch_order<mode>_inverted): ...this and update as for
6858 *branch_order<mode>.
6859 (*branch_equality<mode>): Accept zero as the second operand to
6860 the equality operator. Use the new mips_output_conditional_branch
6862 (*branch_equality<mode>_inverted): Likewise.
6863 (condjump): New expander.
6864 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6866 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6867 (bc1any2t, bc1any2f): Likewise.
6868 (single_cc): New expander.
6869 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6871 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6873 * doc/md.texi: Update documentation of MIPS constraints.
6874 * config/mips/constraints.md: New file.
6875 * config/mips/mips.md: Include it.
6876 * config/mips/mips.c (mips_char_to_class): Delete.
6877 (override_options): Don't initialize mips_char_to_class.
6878 * config/mips/mips.h (mips_char_to_class): Delete.
6879 (REG_CLASS_FROM_LETTER): Delete.
6880 (CONST_OK_FOR_LETTER_P): Delete.
6881 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6882 (EXTRA_CONSTRAINT_Y): Delete.
6883 (EXTRA_CONSTRAINT_STR): Delete.
6884 (CONSTRAINT_LEN): Delete.
6885 (EXTRA_MEMORY_CONSTRAINT): Delete.
6887 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6889 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6890 original fn's eh regions.
6892 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6894 * fold-const.c (build_range_check): Make sure to use a valid type to
6895 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6898 (range_predecessor): New static function.
6899 (range_successor): Likewise.
6900 (merge_ranges): Use them to compute predecessors and successors of
6903 2006-03-09 Roger Sayle <roger@eyesopen.com>
6906 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6907 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6909 2006-03-08 DJ Delorie <dj@redhat.com>
6911 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6912 (addpsi3): Expand to include memory operands. Remove
6913 reload-specific splits.
6914 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6915 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6916 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6917 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6918 (shift1_qi, shift1_hi, insv): New.
6919 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6920 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6921 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6923 * config/m32c/m32c-protos.h: Update as needed.
6924 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6925 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6926 Fail for unrecognized R* constraints.
6927 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6928 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6929 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6931 (m32c_init_libfuncs): New.
6932 (m32c_legitimate_address_p): Add debug wrapper.
6933 (m32c_rtx_costs): New.
6934 (m32c_address_cost): New.
6935 (conversions): Add 'B' prefix.
6936 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6937 operands, or word regnames for QI operands. 'B' prints bit
6939 (m32c_expand_setmemhi): New.
6940 (m32c_expand_movmemhi): New.
6941 (m32c_expand_movstr): New.
6942 (m32c_expand_cmpstr): New.
6943 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6944 (m32c_expand_neg_mulpsi3): Handle non-ints.
6945 (m32c_cmp_flg_0): New.
6946 (m32c_expand_movcc): New.
6947 (m32c_expand_insv): New.
6948 (m32c_scc_pattern): New.
6949 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6950 a0/a1 out of SIregs.
6951 (STORE_FLAG_VALUE): New.
6952 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6955 * config/m32c/mov.md: Make constraints more liberal.
6956 (zero_extendqihi2): Optimize r0/r1 case.
6957 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6958 * config/m32c/predicates.md (m32c_any_operand): New.
6959 (m32c_nonimmediate_operand): New.
6960 (m32c_hl_operand): New.
6961 (m32c_r3_operand): New.
6964 (memsym_operand): New.
6965 (memimmed_operand): New.
6966 (a_qi_operand): New.
6967 (m32c_eqne_operator): New.
6968 (m32c_1bit8_operand): New.
6969 (m32c_1bit16_operand): New.
6970 (m32c_1mask8_operand): New.
6971 (m32c_1mask16_operand): New.
6972 * config/m32c/blkmov.md: New file.
6973 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6975 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6977 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6978 unsigned to fix signed/unsigned comparison issue in
6979 DWARF2_FRAME_REG_OUT.
6980 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6981 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6983 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6984 of ptr into the ENABLE_CHECKING section.
6986 2006-03-08 Jeff Law <law@redhat.com>
6988 * tree-vrp.c (infer_value_range): Only count pointer uses
6989 and dereferences if -fdelete-null-pointer-checks is enabled.
6991 * tree-vrp.c (find_assert_locations): Infer value ranges for
6992 single use pointers, but do not create ASSERT_EXPRs for them.
6993 When a non-null range is inferred for a pointer, backwards
6994 propagate that range to other equivalent pointers through the
6997 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7000 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7001 language hook targets.
7002 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7003 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7004 if language hook targets were missing.
7006 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7008 * tree-ssa-opfinalize.h: Removed.
7009 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7011 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7012 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7013 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7014 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7015 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7016 finalize_ssa_v_must_def_ops): New.
7018 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7020 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7023 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7025 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7027 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7028 addresses with offsets; reorganize.
7030 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7031 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7032 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7034 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7037 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7039 2006-03-08 Ben Elliston <bje@au.ibm.com>
7041 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7043 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7046 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7049 2006-03-07 Richard Guenther <rguenther@suse.de>
7051 PR tree-optimization/26587
7052 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7054 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7056 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7058 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7060 * hooks.c (hook_bool_mode_rtx_true): New function.
7061 * hooks.h (hook_bool_mode_rtx_true): Declare.
7062 * toplev.c (compile_file): Call output_shared_constant_pool.
7063 * varasm.c (shared_constant_pool): New variable.
7064 (assemble_start_function, assemble_end_function): Remove arguments
7065 from call to output_constant_pool.
7066 (create_constant_pool): New function, split out from...
7067 (init_varasm_status): ...here.
7068 (force_const_mem): Choose between the shared and per-function constant
7069 pools. Set current_function_uses_const_pool when reusing old entries
7070 as well as when creating new ones.
7071 (mark_constant): Ignore data argument.
7072 (mark_constants): Remove pool argument.
7073 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7074 to decide whether the function uses a constant pool.
7075 (output_constant_pool_contents): New function, split out from...
7076 (output_constant_pool): ...here.
7077 (output_shared_constant_pool): New function.
7078 (init_varasm_once): Initialize shared_constant_pool.
7079 * output.h (output_constant_pool): Delete.
7080 (output_shared_constant_pool): Declare.
7081 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7082 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7084 2006-03-06 Nick Clifton <nickc@redhat.com>
7086 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7087 flag_strength_reduce.
7089 2006-03-06 Ben Elliston <bje@au.ibm.com>
7091 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7092 x86_64-*-linux* configurations.
7094 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7095 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7097 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7099 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7101 * basic-block.h: Remove the extern for
7102 rediscover_loops_after_threading.
7104 * cfgloop.c (cancel_loop): Make it static.
7105 * cfgloop.h: Remove the prototype for cancel_loop.
7107 * flow.c (recompute_reg_usage): Make it static.
7108 * rtl.h: Remove the prototype for recompute_reg_usage.
7110 * function.c (use_return_register): Make it static.
7111 * function.h: Remove the prototype.
7113 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7115 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7117 * recog.h: Remove the prototype for
7118 validate_change_maybe_volatile.
7120 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7122 * rtlanal.c (replace_reg): Remove.
7123 * rtl.h: Remove the prototype for replace_reg.
7125 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7127 * regclass.c (reg_scan_update): Remove.
7128 (reg_scan_mark_refs): Remove the last argument.
7129 * rtl.h: Remove the prototype for reg_scan_update.
7131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7133 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7134 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7135 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7136 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7137 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7138 loop-invariant.c, omp-low.c, opts.c, passes.c,
7139 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7140 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7141 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7142 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7143 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7144 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7146 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7148 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7149 * dwarf2out.h: Remove the prototype for
7150 dwarf2out_add_library_unit_info.
7152 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7154 * tree.c (add_var_to_bind_expr): Remove.
7155 * tree.h: Remove the prototype for add_var_to_bind_expr.
7157 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7159 * regclass.c (n_non_fixed_regs): Remove.
7160 (init_reg_sets_1, globalize_reg): Remove all uses of
7162 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7164 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7166 * rtlanal.c (insns_safe_to_move_p): Remove.
7167 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7169 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7171 * expmed.c (expand_mult_add): Remove.
7172 * expr.h: Remove the prototype for expand_mult_add.
7174 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7176 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7177 and REG_SAVED_VAL_EXP constants.
7178 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7179 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7180 Handle regs stored by value.
7181 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7182 (execute_cfa_program): Handle DW_CFA_val_offset,
7183 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7184 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7185 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7186 (uw_install_context_1): Handle target regs stored by value.
7188 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7190 * tree-sra.c (tree_sra): Return todoflags;
7191 (generate_one_element): Set TODO_update_smt_usage if needed.
7192 (pass_sra): Remove TODO_update_smt_usage.
7193 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7195 (tree_ssa_forward_propagate_single_use_vars): Return
7196 TODO_update_smt_usage if we need to update SMT usage.
7197 (pass_forwprop): Remove TODO_update_smt_usage.
7199 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7201 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7202 (correct_use_link): Remove reference to get_stmt_operands.
7203 (update_stmt_operands): Likewise.
7204 (get_modify_expr_operands): New function factored out of
7205 parse_ssa_operands and get_expr_operands.
7206 Try to create V_MUST_DEFs for LHS by default.
7207 (get_expr_operands) <case MODIFY_EXPR>: Call
7208 get_modify_expr_operands.
7209 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7210 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7211 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7212 get_modify_expr_operands.
7214 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7216 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7217 * tree-flow.h: Remove the prototype for
7218 referenced_var_lookup_if_exists.
7220 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7222 PR rtl-optimization/26345
7224 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7226 2006-03-03 Roger Sayle <roger@eyesopen.com>
7228 PR tree-optimization/26524
7229 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7230 fold_convert to create a constant of the appropriate type.
7232 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7234 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7235 SYMBOL_REF_IN_BLOCK_P.
7236 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7237 of SYMBOL_FLAG_IN_BLOCK.
7238 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7239 instead of SYMBOL_REF_IN_BLOCK_P.
7240 * explow.c (use_anchored_address): Likewise.
7241 * rtl.c (rtx_size): Likewise.
7242 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7243 instead of SYMBOL_FLAG_IN_BLOCK.
7244 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7245 SYMBOL_REF_IN_BLOCK_P.
7246 (assemble_variable): Likewise.
7247 (output_constant_def_contents): Likewise.
7248 (output_constant_pool): Likewise.
7249 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7250 instead of SYMBOL_FLAG_IN_BLOCK.
7251 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7252 SYMBOL_REF_IN_BLOCK_P.
7253 (SYMBOL_REF_BLOCK): Likewise.
7254 (SYMBOL_REF_OFFSET): Likewise.
7255 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7256 SYMBOL_REF_IN_BLOCK_P.
7257 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7258 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7259 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7260 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7262 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7264 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7266 2006-03-02 Roger Sayle <roger@eyesopen.com>
7268 * simplify-rtx.c (simplify_unary_operation): When simplifying
7269 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7270 that we perform the right shift in the appropriate mode, and
7271 then extend or truncate the result to requested mode.
7273 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7275 * gengtype.c (main): Handle double_int type.
7276 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7277 * double-int.c: New file.
7278 * double-int.h: New file.
7279 * system.h: Include doubleint.h.
7280 * Makefile.in (SYSTEM_H): Include double-int.h.
7281 (double-int.o): Add.
7283 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7286 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7289 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7291 * tree-vrp.c (remove_range_assertions): Do not update statements
7294 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7296 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7298 * gcse.c (rest_of_handle_gcse): Ditto.
7299 * except.c (gate_handle_eh): Ditto.
7300 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7301 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7303 2006-03-02 Eric Christopher <echristo@apple.com>
7305 * config/i386/i386.c (machopic_output_stub): Add indirection to
7308 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7312 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7314 Sun Niagara specific optimizations.
7315 * config.gcc: Recognize niagara as target.
7316 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7317 (TARGET_CPU_niagara): Define.
7318 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7319 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7320 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7321 (ASM_CPU_SPEC): Likewise.
7322 (PROCESSOR_NIAGARA): New enum entry.
7323 (REGISTER_MOVE_COST): Handle Niagara.
7324 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7325 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7326 (sparc_override_options): Recognize "niagara", set appropriate
7327 default MASK_* values for it, and align functions to 32-bytes
7328 by default just like ULTRASPARC/ULTRASPARC3.
7329 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7330 (sparc64_initialize_trampoline): Likewise.
7331 (sparc_use_sched_lookahead): Use zero for niagara.
7332 (sparc_issue_rate): Use one for niagara.
7333 * config/sparc/niagara.md: New file.
7334 * config/sparc/sparc.md: Include it.
7335 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7336 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7337 when default cpu is niagara.
7338 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7339 (ASM_CPU_SPEC): Likewise.
7340 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7341 when default cpu is niagara.
7342 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7343 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7344 just like v9/ultrasparc/ultrasparc3.
7345 * doc/invoke.texi: Add documentation for "niagara" and improve
7346 existing documentation for ultrasparc variants.
7348 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7350 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7352 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7354 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7355 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7356 and say that only one is needed.
7357 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7358 * target.h (have_switchable_bss_sections): New hook.
7359 * explow.c (use_anchored_address): Check that the symbol is in a block.
7360 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7361 (bss_noswitch_section): New variables.
7362 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7363 (get_noswitch_section): New function.
7364 (get_block_for_section): Allow SECT to be null.
7365 (unlikely_text_section_p): Use SECTION_STYLE.
7366 (bss_initializer_p): New function.
7367 (get_variable_section): Move earlier in file. Take a new argument,
7368 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7369 Return one of the new *_sections in such cases.
7370 (get_block_for_decl): New function, extracting some logic from
7371 use_blocks_for_decl_p.
7372 (change_symbol_section): Remove in favor of...
7373 (change_symbol_block): ...this new function.
7374 (use_blocks_for_decl_p): Remove checks now performed by
7376 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7377 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7378 (emit_local, emit_bss, emit_common): ...these new functions.
7379 Return true if the alignment was honored.
7380 (emit_tls_common): New function.
7381 (asm_emit_uninitialised): Delete.
7382 (assemble_variable_noswitch): New function, split out from...
7383 (assemble_variable): ...here. Don't make decisions about common
7384 variables here. Globalize all public decls that go into non-common
7385 sections. Check whether SYMBOL_REF_BLOCK is null.
7386 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7387 (output_constant_pool): Likewise.
7388 (init_varasm_once): Initialize the new section variables.
7389 (have_global_bss_p): New function.
7390 (categorize_decl_for_section): Use bss_initializer_p.
7391 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7392 (place_block_symbol): Assert that the symbol must be in a block.
7393 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7394 (TARGET_INITIALIZER): Include it.
7395 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7396 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7397 (SECTION_MACH_DEP): Bump by two.
7398 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7399 (unnamed_section): Mention SECTION_UNNAMED in comment.
7400 (named_section): Likewise SECTION_NAMED.
7401 (noswitch_section_callback): New type.
7402 (noswitch_section): New structure.
7403 (section): Add a noswitch_section alternative.
7404 (SECTION_STYLE): New macro.
7405 (tls_comm_section, comm_section, lcomm_section): Declare.
7406 (bss_noswitch_section, have_global_bss_p): Declare.
7407 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7408 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7410 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7411 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7414 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7416 * tree-vrp.c (execute_vrp): Return value.
7417 * regrename.c (rest_of_handle_regrename): Ditto.
7418 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7419 * tree-complex.c (tree_lower_complex): Ditto.
7420 (tree_lower_complex_O0): Ditto.
7421 * tracer.c (rest_of_handle_tracer): Ditto.
7422 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7423 * postreload.c (rest_of_handle_postreload): Ditto.
7424 * tree-tailcall.c (execute_tail_recursion): Ditto.
7425 (execute_tail_calls): Ditto.
7426 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7427 * tree.h (init_function_for_compilation): Ditto.
7428 * ipa-cp.c (ipcp_driver): Ditto.
7429 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7430 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7431 * final.c (compute_alignments): Ditto.
7432 (rest_of_handle_final): Ditto.
7433 (rest_of_handle_shorten_branches): Ditto.
7434 (rest_of_clean_state): Ditto.
7435 * omp-low.c (execute_expand_omp): Ditto.
7436 (execute_lower_omp): Ditto.
7437 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7438 * ipa-reference.c (static_execute): Ditto.
7439 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7440 * reorg.c (rest_of_handle_delay_slots): Ditto.
7441 (rest_of_handle_machine_reorg): Ditto.
7442 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7443 * flow.c (recompute_reg_usage): Ditto.
7444 (rest_of_handle_remove_death_notes): Ditto.
7445 (rest_of_handle_life): Ditto.
7446 (rest_of_handle_flow2): Ditto.
7447 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7448 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7449 (do_ssa_store_ccp): Ditto.
7450 (execute_fold_all_builtins): Ditto.
7451 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7452 * modulo-sched.c (rest_of_handle_sms): Ditto.
7453 * ipa-pure-const.c (static_execute): Ditto.
7454 * cse.c (rest_of_handle_cse): Ditto.
7455 (rest_of_handle_cse2): Ditto.
7456 * web.c (rest_of_handle_web): Ditto.
7457 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7458 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7459 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7460 * tree-nrv.c (tree_nrv): Ditto.
7461 (execute_return_slot_opt): Ditto.
7462 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7463 (create_structure_vars): Ditto.
7464 * loop-init.c (rtl_loop_init): Ditto.
7465 (rtl_loop_done): Ditto.
7466 (rtl_move_loop_invariants): Ditto.
7467 (rtl_unswitch): Ditto.
7468 (rtl_unroll_and_peel_loops): Ditto.
7469 (rtl_doloop): Ditto.
7470 * gimple-low.c (lower_function_body): Ditto.
7471 (mark_used_blocks): Ditto.
7472 * tree-ssa-sink.c (execute_sink_code): Ditto.
7473 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7474 (cgraph_early_inlining): Ditto.
7475 * global.c (rest_of_handle_global_alloc): Ditto.
7476 * jump.c (cleanup_barriers): Ditto.
7477 (purge_line_number_notes): Ditto.
7478 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7479 (rest_of_handle_if_after_reload): Ditto.
7480 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7481 (tree_ssa_loop_im): Ditto.
7482 (tree_ssa_loop_unswitch): Ditto.
7483 (tree_vectorize): Ditto.
7484 (tree_linear_transform): Ditto.
7485 (tree_ssa_loop_ivcanon): Ditto.
7486 (tree_ssa_empty_loop): Ditto.
7487 (tree_ssa_loop_bounds): Ditto.
7488 (tree_complete_unroll): Ditto.
7489 (tree_ssa_loop_prefetch): Ditto.
7490 (tree_ssa_loop_ivopts): Ditto.
7491 (tree_ssa_loop_done): Ditto.
7492 * predict.c (tree_estimate_probability): Ditto.
7493 * recog.c (split_all_insns_noflow): Ditto.
7494 (rest_of_handle_peephole2): Ditto.
7495 (rest_of_handle_split_all_insns): Ditto.
7496 * tree-eh.c (lower_eh_constructs): Ditto.
7497 * regmove.c (rest_of_handle_regmove): Ditto.
7498 (rest_of_handle_stack_adjustments): Ditto.
7499 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7500 * function.c (instantiate_virtual_regs): Ditto.
7501 (init_function_for_compilation): Ditto.
7502 (rest_of_handle_check_leaf_regs): Ditto.
7503 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7504 (rest_of_handle_gcse): Ditto.
7505 * ipa-type-escape.c (type_escape_execute): Ditto.
7506 * alias.c (rest_of_handle_cfg): Ditto.
7507 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7508 * profile.c (rest_of_handle_branch_prob): Ditto.
7509 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7510 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7511 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7512 * tree-dfa.c (find_referenced_vars): Ditto.
7513 * except.c (set_nothrow_function_flags): Ditto.
7514 (convert_to_eh_region_ranges): Ditto.
7515 (rest_of_handle_eh): Ditto.
7516 * emit-rtl.c (unshare_all_rtl): Ditto.
7517 (remove_unnecessary_notes): Ditto.
7518 * except.h (set_nothrow_function_flags): Ditto.
7519 (convert_to_eh_region_ranges): Ditto.
7520 * cfgexpand.c (tree_expand_cfg): Ditto.
7521 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7522 * tree-ssa-pre.c (do_pre): Ditto.
7523 (execute_fre): Ditto.
7524 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7525 (rest_of_handle_jump2): Ditto.
7526 * tree-sra.c (tree_sra): Ditto.
7527 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7528 (execute_mudflap_function_decls): Ditto.
7529 * tree-ssa-copy.c (do_copy_prop): Ditto.
7530 (do_store_copy_prop): Ditto.
7531 * ipa-prop.h (ipcp_driver): Ditto.
7532 * cfglayout.c (insn_locators_initialize): Ditto.
7533 * tree-ssa-forwprop.c
7534 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7535 * cfglayout.h (insn_locators_initialize): Ditto.
7536 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7537 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7538 (execute_late_warn_uninitialized): Ditto.
7539 * rtl.h (cleanup_barriers): Ditto.
7540 (split_all_insns_noflow): Ditto.
7541 (purge_line_number_notes): Ditto.
7542 (unshare_all_rtl): Ditto.
7543 (remove_unnecessary_notes): Ditto.
7544 (recompute_reg_usage): Ditto.
7545 (variable_tracking_main): Ditto.
7546 * integrate.c (emit_initial_value_sets): Ditto.
7547 * integrate.h (emit_initial_value_sets): Ditto.
7548 * tree-optimize.c (execute_free_datastructures): Ditto
7549 (execute_free_cfg_annotations): Ditto.
7550 (execute_fixup_cfg): Ditto.
7551 (execute_cleanup_cfg_pre_ipa): Ditto.
7552 (execute_cleanup_cfg_post_optimizing): Ditto.
7553 (execute_init_datastructures): Ditto.
7554 * tree-object-size.c (compute_object_sizes): Ditto.
7555 * combine.c (rest_of_handle_combine): Ditto.
7556 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7557 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7558 (rest_of_handle_reorder_blocks): Ditto.
7559 (rest_of_handle_partition_blocks): Ditto.
7560 * var-tracking.c (variable_tracking_main): Ditto.
7561 * tree-profile.c (tree_profiling): Ditto.
7562 * tree-vect-generic.c (expand_vector_operations): Ditto.
7563 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7564 * sched-rgn.c (rest_of_handle_sched): Ditto.
7565 (rest_of_handle_sched2): Ditto.
7566 * basic-block.h (free_bb_insn): Ditto.
7567 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7568 * tree-cfg.c (execute_build_cfg): Ditto.
7569 (remove_useless_stmts): Ditto.
7570 (split_critical_edges): Ditto.
7571 (execute_warn_function_return): Ditto.
7572 (execute_warn_function_noreturn): Ditto.
7573 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7574 * cfgrtl.c (free_bb_for_insn): Ditto.
7575 * passes.c (execute_one_pass): Run additional
7576 todos returned by execute function.
7577 * tree-pass.h (struct tree_opt_pass): Make execute
7580 2006-03-02 Richard Guenther <rguenther@suse.de>
7582 * tree-ssa-alias.c (find_used_portions): Consider taking
7583 the address as making the variable not write-only.
7585 2006-03-02 Nick Clifton <nickc@redhat.com>
7587 * config.gcc (default_use_cxa_atexit): Extend the description of
7588 this configure variable. Set its default value to "yes" for
7589 Linux, NetBSD and ELF targets on the assumption that they will
7590 use C libraries with the __cxa_atexit function.
7592 2006-03-02 Ben Elliston <bje@au.ibm.com>
7594 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7595 parameter as unused to suppress a build warning.
7597 2006-03-02 Ben Elliston <bje@au.ibm.com>
7599 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7602 2006-03-01 Roger Sayle <roger@eyesopen.com>
7605 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7606 declared name, the weak reference name, and the typeof name.
7607 (__gthrw): Avoid expanding the declared name suffix.
7608 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7610 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7612 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7614 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7615 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7616 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7617 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7618 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7619 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7620 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7621 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7622 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7623 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7624 (DW_END_default, DW_END_big, DW_END_little): New.
7625 (DW_END_lo_user, DW_END_hi_user): Define.
7626 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7627 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7628 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7631 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7633 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7635 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7637 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7639 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7641 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7642 to 'symbol_mem_tag'.
7644 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7647 2006-03-01 Roger Sayle <roger@eyesopen.com>
7649 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7651 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7654 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7655 MACHO_DYNAMIC_NO_PIC_P.
7656 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7658 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7661 * config/darwin-protos.h (darwin_asm_output_anchor):
7663 * config/darwin-sections.def (cstring_section):
7664 Add SECTION_MERGE to the flags.
7665 (literal4_section): Likewise.
7666 (literal8_section): Likewise.
7667 (objc_selector_refs_section): Likewise.
7668 (objc_cls_refs_section): Likewise.
7669 * config/darwin.c (darwin_asm_output_anchor): New
7671 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7673 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7675 Fix PR tree-optimization/26443
7676 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7677 to todo and PROP_tmt_usage to properties_destroyed.
7678 * tree-ssa-ccp.c (pass_ccp): Ditto.
7679 (pass_store_ccp): Ditto.
7680 * tree-ssa-dom.c (pass_dominator): Ditto.
7682 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7684 * tree-ssa-operands.c: Cleanup whitespace.
7685 (get_asm_expr_operands): Move before first invocation.
7686 (get_indirect_ref_operands): Likewise.
7687 (get_tmr_operands): Likewise.
7688 (get_call_expr_operands): Likewise.
7689 (append_def): Likewise.
7690 (append_use): Likewise.
7691 (append_v_may_def): Likewise.
7692 (append_v_must_def): Likewise.
7693 (add_call_clobber_ops): Likewise.
7694 (add_call_read_ops): Likewise.
7695 (add_stmt_operand): Likewise.
7696 (add_virtual_operand): Likewise.
7697 (build_ssa_operands): Likewise.
7699 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7704 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7705 with a call expr to ...
7706 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7708 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7710 * tree-vrp.c (extract_range_from_assert): Remove special
7711 handling for types with super-types.
7713 2006-03-01 Ben Elliston <bje@au.ibm.com>
7715 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7716 and powerpc64-*-linux* configurations.
7717 * config/t-dfprules: New file.
7719 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7720 Compile dfp-bit.c from the source directory using -DWIDTH and
7721 $DFP_CFLAGS to control the compilation of that file, rather than
7722 generating width-specific versions in the build directory.
7723 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7724 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7726 2006-02-28 Zack Weinberg <zackw@panix.com>
7728 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7731 2006-02-28 Eric Christopher <echristo@apple.com>
7733 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7734 Set up IN_LIBGCC definition of TARGET_64BIT.
7735 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7737 2006-02-28 Roger Sayle <roger@eyesopen.com>
7740 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7741 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7742 cases via the construction of "expr != 0".
7744 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7746 * alias.c (alias_invariant, alias_invariant_size): Remove.
7747 (record_base_value): Remove.
7748 (memrefs_conflict_p): Don't look at alias_invariant.
7749 (end_alias_analysis): Don't free it.
7750 * alias.h (record_base_value): Remove prototype.
7752 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7753 Adam Nemet <anemet@caviumnetworks.com>
7755 * rtl.h (truncated_to_mode): Declare it.
7756 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7757 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7758 (RTL_HOOKS_INITIALIZER): Include it.
7759 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7760 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7761 reg_truncated_to_mode.
7762 * rtlanal.c (truncated_to_mode): Define it.
7763 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7765 2006-02-28 Jeff Law <law@redhat.com>
7767 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7768 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7769 the range allowed by TYPE_PRECISION.
7771 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7773 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7775 PR tree-optimization/26419
7776 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7779 2006-02-27 Zack Weinberg <zackw@panix.com>
7781 * doc/md.texi: Fix typo in previous change.
7783 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7787 2006-02-27 Zack Weinberg <zackw@panix.com>
7789 * rtl.def (define_constraint, define_register_constraint)
7790 (define_memory_constraint, define_address_constraint): New MD forms.
7791 * gensupport.c (process_rtx): Put define_constraint etc on the
7793 * genpreds.c (process_define_predicate): Adjust comment. Validate
7794 the name, and call validate_exp to validate the expression.
7795 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7796 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7797 all callers changed.
7798 (validate_exp, needs_variable, struct constraint_data)
7799 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7800 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7801 (const_dbl_constraints, constraint_max_namelen)
7802 (have_register_constraints, have_memory_constraints)
7803 (have_address_constraints, have_address_constraints)
7804 (have_extra_constraints, have_const_int_constraints)
7805 (have_const_dbl_constraints, mangle, add_constraint)
7806 (process_define_constraint, process_define_register_constraint)
7807 (write_enum_constraint_num, write_lookup_constraint)
7808 (write_insn_constraint_len, write_regclass_for_constraint)
7809 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7810 (write_insn_extra_memory_constraint)
7811 (write_insn_extra_address_constraint)
7812 (write_satisfies_constraint_fns): New.
7813 (write_tm_preds_h): If we have new-style constraint definitions,
7814 prototype the functions generated from them, and define the
7815 old constraint interface (still used by generic code) in terms of
7817 (write_insn_preds_c): If we have new-style constraint definitions,
7818 generate all relevant functions from those definitions.
7819 (main): Handle define_constraint etc.
7820 * genoutput.c (struct constraint_data, indep_constraints)
7821 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7822 (mdep_constraint_len): New data structures and functions, defined
7823 #ifdef USE_MD_CONSTRAINTS.
7824 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7825 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7826 use new logic to validate operand constraints against constraint
7828 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7830 * defaults.h: If none of the old-style constraint macros are
7831 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7832 old-style macros; and poison REG_CLASS_FROM_LETTER,
7833 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7835 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7836 * doc/md.texi: Document new constraint-definition mechanism and the
7837 C interface it provides. Remove references to old mechanism
7838 elsewhere in the document.
7839 (Machine Constraints): Use pathnames relative to gcc directory,
7840 i.e. config/ARCH/FILE. Change i386 section to refer to
7841 config/i386/predicates.md; update that section to match docstrings.
7842 * doc/tm.texi: Move all documentation of the old constraint-
7843 definition macros to their own section, clearly mark as obsolete.
7845 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7846 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7848 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7849 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7850 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7852 (splits and peepholes): Use satisfies_constraint_*.
7853 * config/i386/i386.c (memory_address_length)
7854 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7856 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7858 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7859 scalar operation to be put back into the loop.
7861 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7864 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7865 (extract_cie_info): Handle S flag in augmentation string.
7866 (execute_cfa_program): If context->signal_frame, execute also
7867 fs->pc == context->ra instructions.
7868 (uw_frame_state_for): If context->signal_frame, don't subtract one
7869 from context->ra to find FDE.
7870 (uw_update_context_1): Set context->signal_frame to
7872 (_Unwind_GetIPInfo): New function.
7873 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7874 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7876 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7877 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7878 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7879 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7880 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7881 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7882 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7883 x86_64_fallback_frame_state): Set fs->signal_frame.
7884 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7885 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7886 (frob_update_context): Likewise. Workaround missing S flag in
7887 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7888 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7889 Remove the psw_addr + 1 hack.
7891 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7893 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7894 with aggregates here.
7895 (find_func_aliases): Remove code for &<aggregate> from here.
7897 2006-02-26 Roger Sayle <roger@eyesopen.com>
7899 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7900 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7901 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7904 2006-02-26 Roger Sayle <roger@eyesopen.com>
7907 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7909 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7911 * opts.c (decode_options): Do not handle flag_strength_reduce.
7912 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7913 and OPT_fstrength_reduce.
7914 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7915 flag_prefetch_loop_arrays for being nonzero.
7916 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7918 (fprefetch-loop-arrays-rtl): Removed.
7919 (flag_prefetch_loop_arrays): Do not specify the value.
7921 * doc/passes.texi: Update documentation of loop optimizer
7923 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7924 -frerun-loop-opt): Remove.
7926 2006-02-26 Richard Guenther <rguenther@suse.de>
7928 PR tree-optimization/26421
7929 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7930 in function calls that are ADDR_EXPRs as using the whole structure.
7932 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7934 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7935 * tree-pass.h (pass_loop_optimize): Remove.
7936 * passes.c (pass_loop_optimize): Never run it.
7937 * toplev.c (backend_init): Don't call init_loop.
7938 * opts.c (flag_loop_optimize_set): Remove.
7939 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7940 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7941 the old RTL loop optimizer when profiling enabled.
7942 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7943 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7944 pre-headers for the sake of the old RTL loop optimizer.
7945 * Makefile.in: Remove all references to loop.o.
7947 * doc/invoke.texi: Remove all references to -floop-optimize
7948 and -frerun-loop-opt.
7950 2006-02-26 Zack Weinberg <zackw@panix.com>
7952 * doc/md.texi (Machine Constraints): Refer to all files with paths
7953 relative to gcc directory (i.e. config/CPU/file). Add missing
7954 @table @code ... @end table to M32C subsection.
7956 2006-02-26 Roger Sayle <roger@eyesopen.com>
7958 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7960 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7962 2006-02-26 Roger Sayle <roger@eyesopen.com>
7963 James A. Morrison <phython@gcc.gnu.org>
7966 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7967 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7968 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7969 signedness of the shift operation.
7971 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7973 PR tree-optimization/26359
7974 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7976 2006-02-25 Roger Sayle <roger@eyesopen.com>
7978 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7979 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7980 as X == 0, and some symmetry related transformations.
7981 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7983 2006-02-25 Roger Sayle <roger@eyesopen.com>
7986 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7987 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7988 symmetry related transformations. Fold (X^C1) == C2 as
7991 2006-02-25 Juergen Weigert <jw@suse.de>
7992 Richard Guenther <rguenther@suse.de>
7994 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7996 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7998 * combine.c (gen_lowpart_or_truncate): Call
7999 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8001 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8003 * doc/invoke.texi: Move -fopenmp description to "Options for
8005 Remove reference to -lgomp.
8007 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8009 * doc/install.texi: Require GNU tar version 1.14.
8011 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8013 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8014 * doc/invoke.texi (C++ Dialect Options): Document
8015 -fno-use-cxa-get-exception-ptr.
8016 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8017 * configure: Regenerate.
8018 * c.opt (fuse-cxa-get-exception-ptr): New.
8019 * c-opts.c (c_common_handle_option): Handle
8020 OPT_fuse_cxa_get_exception_ptr.
8021 * c-common.c (flag_use_cxa_atexit): Update documentation.
8022 (flag_use_cxa_get_exception_ptr): New.
8023 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8024 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8026 (C_COMMON_OVERRIDE_OPTIONS): New.
8028 2006-02-24 Roger Sayle <roger@eyesopen.com>
8031 * combine.c (try_combine): Explicitly check whether GET_CODE is
8032 a SET or a CLOBBER, instead on checking that it isn't a USE.
8034 2006-02-24 Roger Sayle <roger@eyesopen.com>
8036 * fold-const.c (fold_comparison): New subroutine of fold_binary
8037 containing transformations common to both the equality and
8038 ordering relational operators, factored out of fold_binary.
8039 (fold_binary): Separate out the equality operators (EQ_EXPR
8040 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8041 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8042 transformations common to both.
8043 (fold_div_compare): Fix latent bugs in the previously unreachable
8044 LT_EXPR and GE_EXPR cases.
8046 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8048 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8049 decl libname for clog to __clog on AIX.
8051 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8053 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8056 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8057 output traceback table for thunks. Localise rs6000_stack_info call.
8059 2006-02-23 Roger Sayle <roger@eyesopen.com>
8060 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8062 * gthr-posix.h (__gthrw): Fix typo in comment.
8064 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8066 * doc/cpp.texi (Character sets): Document that we do support
8067 input files to be in any character set.
8069 2006-02-23 Jeff Law <law@redhat.com>
8071 * tree.h (PHI_ARG_NONZERO): Remove.
8072 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8073 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8074 node to the new node.
8076 PR tree-optimization/26425
8077 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8078 min/max, then assume its varying.
8080 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8082 PR rtl-optimization/26316
8083 * rtlanal.c (enum may_trap_p_flags): New.
8084 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8085 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8086 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8087 (may_trap_after_code_motion_p): New function.
8088 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8089 (find_invariant_insn): Use may_trap_after_code_motion_p.
8090 * rtl.h (may_trap_after_code_motion_p): Declare.
8092 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8094 * emit-rtl.c (immed_double_const): Cleanup.
8096 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8098 Fix PR tree-optimization/26376
8099 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8102 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8105 * gimplify.c (omp_add_variable): Guard variable size decl test with
8106 DECL_SIZE (decl) check.
8108 2006-02-23 Richard Guenther <rguenther@suse.de>
8111 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8112 like aggregate types.
8114 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8116 * configure.ac: Add --with{,out}-long-double-128 configure option.
8117 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8118 * configure: Rebuilt.
8119 * config.in: Rebuilt.
8120 * doc/install.texi (Options specification): Document
8121 --with-long-double-128.
8123 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8124 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8125 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8126 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8128 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8130 * config/s390/s390.c (override_options): Handle
8131 TARGET_DEFAULT_LONG_DOUBLE_128.
8133 * config/alpha/alpha.c (override_options): Handle
8134 TARGET_DEFAULT_LONG_DOUBLE_128.
8136 * config/sparc/sparc.c (sparc_override_options): Handle
8137 TARGET_DEFAULT_LONG_DOUBLE_128.
8139 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8141 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8142 (real-install-headers-tar, real-install-headers-cpio)
8143 (real-install-headers-cp): New targets.
8145 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8147 * tree.h (variable_section): Delete.
8148 * varasm.c (variable_section): Delete.
8150 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8152 * install.texi: Add notes on install.texi2html.
8153 (Building in parallel): Do not use footnotes.
8155 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8158 * doc/install.texi (Configuration): Document --disable-libgomp.
8160 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8162 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8164 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8166 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8167 (vec_extractv2df_0_sse): New.
8169 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8171 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8172 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8173 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8174 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8175 to the result of the expression.
8176 (def_cfa_1): Adjust.
8177 (frame_pointer_cfa_offset): Rename to...
8178 (frame_pointer_fb_offset): ... this. Adjust all uses.
8179 (convert_cfa_to_loc_list): Rename to...
8180 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8181 Pass it on to build_cfa_loc.
8182 (compute_frame_pointer_to_cfa_displacement): Rename to...
8183 (compute_frame_pointer_to_fb_displacement): ... this. New
8184 offset parameter. Use it in computation.
8185 (gen_subprogram_die): Compute cfa_fb_offset with the new
8186 macro, and use it to compute the fb loc list and the
8189 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8191 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8192 replaced with register_operand.
8193 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8194 non-DREG is expensive.
8195 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8196 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8199 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8201 * doc/install.texi2html: Use set -e.
8203 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8205 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8206 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8207 * doc/invoke.texi (-fshared-data): Delete.
8208 * common.opt (fshared-data): Delete.
8209 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8210 (assemble_static_space): Remove #if 0 code.
8211 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8212 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8213 * config/cris/cris.h: Remove FIXME.
8215 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8217 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8220 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8223 * combine.c (simplify_shift_const_1): Disable nested shifts
8224 optimization for vector shifts.
8226 2006-02-20 Roger Sayle <roger@eyesopen.com>
8228 PR tree-optimization/26361
8229 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8230 of unsigned integer types.
8232 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8234 * tree-chrec.c (eq_evolutions_p): New.
8235 * tree-chrec.h (eq_evolutions_p): Declared.
8236 * tree-data-ref.c: Fix formatting.
8237 (datadep_stats, dependence_stats): New.
8239 (print_direction_vector): New.
8240 (dump_data_dependence_relation): Use print_direction_vector.
8241 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8242 (compute_subscript_distance): Static.
8243 (initialize_data_dependence_relation): Static. Get the number
8244 of loops surrounding the references from the callers, and initialize
8245 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8246 base_object_differ_p analyzers.
8247 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8248 compute_overlap_steps_for_affine_1_2,
8249 analyze_subscript_affine_affine): Count the classified dependences.
8250 Print a message when a test failed.
8251 (can_use_analyze_subscript_affine_affine): New.
8252 (analyze_siv_subscript): Compute the data dependences on symbolic
8253 scevs that verify can_use_analyze_subscript_affine_affine.
8254 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8255 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8256 Handle symbolic scevs.
8257 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8259 (subscript_dependence_tester): Moved...
8260 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8261 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8262 DDR_SIZE_VECT instead of getting it in parameter.
8263 (subscript_dependence_tester): ... here. Take as a parameter
8264 loop_nest_depth. Call build_classic_dist_vector and
8265 build_classic_dir_vector.
8266 (compute_affine_dependence): Update subscript_dependence_tester
8267 parameters. Update datadep_stats counters. Call
8268 compute_subscript_distance.
8269 (compute_self_dependence): Save the dist and dir vectors. Call
8270 compute_subscript_distance.
8271 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8272 (compute_all_dependences): Reorder parameters as they were before
8273 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8274 compute_subscript_distance. Update the use of
8275 compute_affine_dependence and initialize_data_dependence_relation.
8276 (find_data_references_in_loop): Handle COMPONENT_REF.
8277 (compute_data_dependences_for_loop): Initialize dependence_stats.
8278 Don't call build_classic_dist_vector and build_classic_dir_vector.
8279 Update the parameters of initialize_data_dependence_relation and
8280 compute_all_dependences. Print the statistics from datadep_stats.
8281 (analyze_all_data_dependences): Static. Not used until the pass for
8282 checking the data dependences is contributed.
8283 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8284 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8285 (initialize_data_dependence_relation, compute_affine_dependence,
8286 analyze_all_data_dependences, compute_subscript_distance): Removed.
8287 (print_direction_vector): New.
8288 * lambda.h (gcd): ... here.
8289 (lambda_vector_gcd): Moved here from gcd_vector.
8290 * lambda-code.c (gcd, gcd_vector): Removed.
8291 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8292 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8294 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8296 * ipa-type-escape.c: Tidy some comments and white space.
8297 * tree-ssa-operands.c: Likewise.
8299 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8302 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8303 (dump_decl_name): Do not walk the decl tree chains.
8304 * tree-pass.h (TDF_CHAIN): Remove.
8306 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8308 * Makefile.in (C): Remove
8310 (.PHONY): Remove C and PROTO
8312 2006-02-20 Roger Sayle <roger@eyesopen.com>
8315 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8316 deprecated CHAR_TYPE tree code.
8318 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8320 * configure.ac (target_list): Add install-info, dvi, html.
8321 * configure: Regenerate.
8323 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8324 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8325 treelang/Make-lang.in: Do not use double-colon rules.
8327 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8329 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8330 (TMT_USED_ALONE): New macro.
8331 * tree-pass.h (PROP_tmt_usage): New property.
8332 (TODO_update_tmt_usage): New todo.
8333 * tree-ssa-alias.c (updating_used_alone): New variable.
8334 (recalculate_used_alone): New function.
8335 (compute_may_aliases): Set updating_used_alone, call
8336 recalculate_used_alone.
8337 * tree-sra.c (pass_sra): Note that this pass destroys
8338 PROP_tmt_usage, and add TODO_update_tmt_usage.
8339 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8340 * tree-flow.h (updating_used_alone): Prototype.
8341 (recalculate_used_alone): Ditto.
8342 * passes.c (execute_todo): Add code to set updating_used_alone,
8343 and call recalculate.
8344 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8345 for clobber if used alone, and add assert to verify used_alone
8348 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8350 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8351 for non tls symbols added.
8352 (legitimize_address): Do nothing for PLUS expressions if one of the
8353 addends is a tls symbol reference.
8355 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8359 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8361 * Makefile.in (BOOTSTRAPPING): New.
8362 (quickstrap): New definition if BOOTSTRAPPING=yes.
8364 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8365 * configure.ac: Substitute all_selected_languages with the languages
8366 that were configured. For all the other variables except
8367 lang_specs_files, include all the languages in the tree.
8368 * configure: Regenerate.
8370 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8371 if there is one. Run the commands to run fixincludes in the same
8374 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8375 * doc/install.texi: Document exact conventions for searching target tools.
8376 Document --with-build-time-tools. Document toplevel bootstrap. Document
8377 something more about building an Ada cross-compiler. Don't list GNU Make
8378 requirements which affect all platforms.
8380 2006-02-19 Roger Sayle <roger@eyesopen.com>
8383 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8384 only equivalent if the have both the same mode and precision.
8386 2006-02-20 Ben Elliston <bje@au.ibm.com>
8388 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8390 2006-02-19 Roger Sayle <roger@eyesopen.com>
8391 Steven Bosscher <stevenb.gcc@gmail.com>
8393 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8394 constant pool references to identify stack mode constants.
8395 * rtlanal.c (constant_pool_constant_p): New predicate to check
8396 whether operand is a floating point constant in the pool.
8397 * rtl.h (constant_pool_constant_p): Prototype here.
8398 * loop.c (scan_loop): Avoid hoisting constants from the constant
8399 pool on STACK_REGS targets.
8400 (load_mems): Likewise.
8401 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8402 loads into x87 registers expensive in terms of register pressure.
8404 2006-02-19 Roger Sayle <roger@eyesopen.com>
8406 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8407 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8409 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8411 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8412 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8414 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8416 * doc/invoke.texi: Document -fipa-pta.
8417 * common.opt: Add ipa-pta option.
8418 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8419 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8420 (do_ds_constraint): Ditto.
8421 (get_constraint_for): Only add to referenced_vars if
8422 referenced_vars exists.
8423 (insert_into_field_list): Rewrite to do this unsorted.
8424 (insert_into_field_list_sorted): Rename old insert_into_field_list
8426 (create_function_info_for): Use insert_into_field_list_sorted.
8427 (create_variable_info_for): Rewrite so it uses unsorted version,
8428 since the field list is sorted.
8429 (intra_create_variable_infos): Only add to referenced_vars if
8430 referenced_vars exists.
8431 (ipa_pta_execute): Init heapvars, and delete when done.
8432 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8434 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8436 * doc/install.texi: Add missing `@samp'.
8438 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8440 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8443 2006-02-18 Mark Wielaard <mark@klomp.org>
8445 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8446 who added new 4.1 features, bug fixes and integration support.
8448 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8451 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8454 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8456 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8457 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8458 (copy_insn_1): Likewise. Don't copy each field individually.
8460 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8462 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8463 * rtl.c (rtx_size): Rename variable to...
8464 (rtx_code_size): ...this.
8465 (rtx_size): New function.
8466 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8467 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8469 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8470 * rtl.h (rtx_code_size): New variable.
8471 (rtx_size): Change from a variable to a function.
8472 (RTX_SIZE): Rename to...
8473 (RTX_CODE_SIZE): ...this.
8476 PR tree-optimization/17106
8477 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8478 (Anchored Addresses): New section.
8479 * doc/invoke.texi (-fsection-anchors): Document.
8480 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8481 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8482 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8483 * hooks.c (hook_bool_mode_rtx_false): New function.
8484 * hooks.h (hook_bool_mode_rtx_false): Declare.
8485 * gengtype.c (create_optional_field): New function.
8486 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8487 SYMBOL_REF_IN_BLOCK_P is true.
8488 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8489 (min_anchor_offset, max_anchor_offset): Likewise.
8490 (use_anchors_for_symbol_p): New hook.
8491 * toplev.c (compile_file): Call output_object_blocks.
8492 (target_supports_section_anchors_p): New function.
8493 (process_options): Check that -fsection-anchors is only used on
8494 targets that support it and when -funit-at-a-time is in effect.
8495 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8496 if the decl doesn't have one.
8497 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8498 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8499 of force_const_mem through use_anchored_address.
8500 (expand_expr_constant): New function.
8501 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8502 calling expand_expr for INDIRECT_REF.
8503 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8504 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8505 * expr.h (use_anchored_address): Declare.
8506 * loop-unroll.c: Don't declare rtx vectors here.
8507 * explow.c: Include output.h.
8508 (validize_mem): Call use_anchored_address.
8509 (use_anchored_address): New function.
8510 * common.opt (-fsection-anchors): New switch.
8511 * varasm.c (object_block_htab, anchor_labelno): New variables.
8512 (hash_section, object_block_entry_eq, object_block_entry_hash)
8513 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8514 (use_blocks_for_decl_p, change_symbol_section): New functions.
8515 (get_variable_section): New function, split out from assemble_variable.
8516 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8517 use_blocks_for_decl_p say so. Use change_symbol_section if the
8518 symbol has already been created.
8519 (assemble_variable_contents): New function, split out from...
8520 (assemble_variable): ...here. Don't output any code for
8521 block symbols; just pass them to place_block_symbol.
8522 Use get_variable_section and assemble_variable_contents.
8523 (get_constant_alignment, get_constant_section, get_constant_size): New
8524 functions, split from output_constant_def_contents.
8525 (build_constant_desc): Create a block symbol if use_object_blocks_p
8526 says so. Or into SYMBOL_REF_FLAGS.
8527 (assemble_constant_contents): New function, split from...
8528 (output_constant_def_contents): ...here. Don't output any code
8529 for block symbols; just pass them to place_section_symbol.
8530 Use get_constant_section and get_constant_alignment.
8531 (force_const_mem): Create a block symbol if use_object_blocks_p and
8532 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8533 (output_constant_pool_1): Add an explicit alignment argument.
8534 Don't switch sections here.
8535 (output_constant_pool): Adjust call to output_constant_pool_1.
8536 Switch sections here instead. Don't output anything for block symbols;
8537 just pass them to place_block_symbol.
8538 (init_varasm_once): Initialize object_block_htab.
8539 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8540 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8541 (place_block_symbol, get_section_anchor, output_object_block)
8542 (output_object_block_htab, output_object_blocks): New functions.
8543 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8544 (TARGET_ASM_OUT): Include it.
8545 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8546 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8547 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8548 (TARGET_INITIALIZER): Include them.
8549 * rtl.c (rtl_check_failed_block_symbol): New function.
8550 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8551 (block_symbol, object_block): New structures.
8552 (rtx_def): Add a block_symbol field to the union.
8553 (BLOCK_SYMBOL_CHECK): New macro.
8554 (rtl_check_failed_block_symbol): Declare.
8555 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8556 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8557 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8558 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8559 * output.h (output_section_symbols): Declare.
8560 (object_block): Name structure.
8561 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8562 (default_use_anchors_for_symbol_p): Declare.
8563 * Makefile.in (RTL_BASE_H): Add vec.h.
8564 (explow.o): Depend on output.h.
8565 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8566 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8567 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8568 (rs6000_use_blocks_for_constant_p): New function.
8570 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8572 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8574 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8577 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8580 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8582 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8586 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8589 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8590 instead of DECL_REGISTER.
8592 2006-02-18 Olivier Hainque <hainque@adacore.com>
8595 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8597 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8600 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8601 * opth-gen.awk: Handle Var and InverseMask together.
8602 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8603 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8604 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8605 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8607 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8608 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8609 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8610 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8611 LINUX_DYNAMIC_LINKER): Define.
8612 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8613 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8615 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8616 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8617 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8618 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8619 (TARGET_C99_FUNCTIONS): Don't define.
8620 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8621 GLIBC_DYNAMIC_LINKER.
8622 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8623 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8624 GLIBC_DYNAMIC_LINKER64): Define.
8625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8626 LINUX_DYNAMIC_LINKER64.
8627 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8628 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8629 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8631 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8633 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8634 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8635 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8637 and LINUX_DYNAMIC_LINKER32.
8638 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8639 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8640 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8642 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8644 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8645 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8646 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8647 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8648 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8649 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8650 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8651 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8652 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8653 LINUX_DYNAMIC_LINKER): Define.
8654 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8655 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8656 GLIBC_DYNAMIC_LINKER64): Define.
8657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8658 LINUX_DYNAMIC_LINKER64.
8659 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8660 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8661 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8662 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8663 LINUX_DYNAMIC_LINKER): Define.
8664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8665 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8666 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8667 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8668 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8669 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8670 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8671 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8672 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8673 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8674 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8675 * doc/invoke.texi (-muclibc): Remove caveat about supported
8678 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8680 * doc/cpp.texi (__TIMESTAMP__): Document.
8682 2006-02-17 Roger Sayle <roger@eyesopen.com>
8685 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8686 C is one less than the width of X (and related transformations).
8687 * simplify-rtx.c (simplify_unary_operation_1): Transform
8688 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8689 depending on STORE_FLAG_VALUE, were C is one less then the
8692 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8694 Fix PR tree-optimization/26341
8695 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8696 about NAME_MEMORY_TAG's.
8698 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8701 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8702 with hardware float support, and software float support. Add fcpy
8703 alternative to hardware patterns. Add alternatives to copy between
8704 general and floating-point registers to the 32-bit pattern.
8705 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8706 secondary reload to load a QI or HI mode constant into a floating
8708 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8709 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8711 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8714 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8716 (load_macho_picbase_di): Likewise.
8718 2006-02-16 Jeff Law <law@redhat.com>
8720 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8721 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8722 (ssa_name_nonzero_p): Likewise.
8723 (get_value_range): Return NULL if VRP is not running.
8724 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8725 VRP routines do not discover a range.
8726 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8727 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8728 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8729 (tree_expr_nonnegative_p): Similarly.
8730 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8731 (restore_nonzero_vars_to_original_value): Remove.
8732 (unsafe_associative_fp_binop): Remove.
8733 (tree_ssa_dominator_optimize): Remove initialization and
8734 finalization of nonzero_vars and nonzero_vars_stack.
8735 (dom_opt_initialize_block): No longer push marker on
8737 (dom_opt_finalize_block): No longer call
8738 restore_nonzero_vars_to_original_value.
8739 (record_equivalences_from_phis): No longer look for
8740 nonzero PHI arguments.
8741 (cprop_into_successor_phis): No longer propagate nonzero
8742 property into PHI arguments. Lose unused argument. Caller
8744 (record_equivalences_from_stmt): No longer record nonzero
8745 values for SSA_NAMEs.
8746 (lookup_avail_expr): No longer use nonzero_vars.
8748 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8749 for sizetype when sizetype is unsigned.
8751 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8753 PR rtl-optimization/25603
8754 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8755 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8756 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8757 with new meaning of SETS.
8759 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8764 * config/linux.opt: New file.
8765 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8766 LINUX_DYNAMIC_LINKER): Define.
8767 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8768 * config.gcc (*-*-linux*): Define extra_options.
8769 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8770 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8771 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8772 GLIBC_DYNAMIC_LINKER.
8773 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8774 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8775 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8776 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8777 * doc/invoke.texi (GNU/Linux Options): New section.
8779 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8781 * config/sparc/sparc.md (setjmp): Rewrite.
8782 (setjmp_32): Delete.
8783 (setjmp_64): Likewise.
8785 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8787 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8790 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8792 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8795 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8797 PR rtl-optimization/26296
8798 * Makefile.in (loop-invariant.c): Add except.h dependency.
8799 * loop-invariant.c: Include except.h.
8800 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8802 2005-02-16 Paul Brook <paul@codesourcery.com>
8804 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8807 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8809 PR rtl-optimization/25636
8810 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8811 when deciding whether an insn is an initializing insn.
8813 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8815 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8816 (tree_code_size): Ditto.
8817 * tree.h (struct tree_memory_tag): Remove parent_var.
8818 (struct tree_struct_field_tag): New.
8821 (union tree_node): Add sft member.
8822 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8824 (create_sft): Add size and offset argument, set SFT_OFFSET and
8826 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8827 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8828 * tree-flow-inline.h (get_subvar_at): Update for
8829 SFT_OFFSET/SFT_SIZE.
8830 (var_can_have_subvars): Ditto.
8831 (overlap_subvar): Ditto.
8832 * print-tree.c (print_node): Print out interesting things for
8834 * tree-flow.h (struct subvar): Remove offset and size members.
8835 * tree-ssa-operands.c (get_expr_operands): Update for
8836 get_indirect_ref_operands changes.
8837 (get_indirect_ref_operands): Call add_virtual_operand instead of
8838 add_stmt_operand. Only recurse on base var if requested.
8839 (access_can_touch_variable): New function.
8840 (add_stmt_operand): Split virtual operand handling into ...
8841 (add_virtual_operand): Here. Add offset, size, and for_clobber
8842 arguments. Prune alias sets.
8843 (add_call_clobber_ops): Call add_virtual_operand.
8845 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8848 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8850 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8851 than TREE_CODE as index into omp_clause_num_ops array.
8853 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8855 PR rtl-optimization/26184
8856 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8858 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8859 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8860 must_precede, must_follow and tobe_scheduled.
8863 * opts.c (common_handle_option): Free new_option pointer.
8864 * df-core.c (df_analyze): Free postorder pointer.
8866 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8868 * Makefile.in: Fix the examples about the use of stamps
8870 2006-02-15 Michael Matz <matz@suse.de>
8874 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8875 influenced by maximum_field_alignment or DECL_PACKED.
8876 (update_alignment_for_field): Ditto.
8877 (place_field): Ditto.
8878 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8881 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8883 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8884 (debug_flow_info): Pass it.
8885 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8886 * bb-reorder.c (reorder_basic_blocks): Likewise.
8887 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8888 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8889 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8890 * gcse.c (gcse_main, bypass_jumps): Likewise.
8891 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8892 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8893 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8894 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8895 * rtl.h (dump_flow_info): Adjust prototype.
8896 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8897 * var-tracking.c (variable_tracking_main): Likewise.
8898 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8899 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8902 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8904 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8907 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8909 PR tree-optimization/26209
8910 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8911 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8913 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8915 2006-02-14 Roger Sayle <roger@eyesopen.com>
8918 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8919 (X,Y) and the corresponding symmetry related transformations.
8920 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8921 (X,Y) and its symmetry related transformations.
8923 2006-02-14 Roger Sayle <roger@eyesopen.com>
8925 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8928 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8930 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8932 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8935 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8936 support COMDAT group.
8937 * configure: Regenerate.
8939 2006-02-14 Roger Sayle <roger@eyesopen.com>
8944 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8946 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8948 Fix PR tree-optimization/26260
8950 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8952 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8953 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8954 * tree-ssa-structalias.c (create_variable_info_for): Use
8955 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8957 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8959 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8961 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8962 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8963 of the ending condition.
8964 * tree-ssa-loop-manip.c: Include params.h.
8965 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8966 tree_unroll_loop): New functions.
8967 * tree-pass.h (pass_loop_prefetch): Declare.
8968 * loop.c (rest_of_handle_loop_optimize): Test for
8969 -fprefetch-loop-arrays-rtl.
8970 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8971 * timevar.def (TV_TREE_PREFETCH): New timevar.
8972 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8973 pass_loop_prefetch): New.
8974 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8975 (cleanup_tree_cfg_loop): Call scev_reset.
8976 * common.opt (fprefetch-loop-arrays-rtl): Add.
8977 * tree-ssa-loop-prefetch.c: New file.
8978 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8979 (new_temp_expr_table): Initialize expr_vars.
8980 (free_temp_expr_table): Cleanup expr_vars.
8981 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8982 expressions from being merged into one.
8983 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8984 (struct tree_niter_desc): Add control, bound and cmp fields.
8985 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8987 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8988 (tree-cfgcleanup.o): Add SCEV_H dependency.
8989 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8990 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8992 2006-02-14 Richard Guenther <rguenther@suse.de>
8994 PR tree-optimization/26258
8995 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8996 in PHI argument processing.
8998 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9000 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9001 new expression in the requested machine mode.
9003 2006-02-13 Roger Sayle <roger@eyesopen.com>
9005 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9006 directly, instead let do_compare_rtx_and_jump handle this for us.
9007 * expr.c (expand_expr_real_1): Likewise.
9008 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9009 before do_jump_by_parts_greater.
9010 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9011 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9013 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9015 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9017 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9019 PR rtl-optimization/26235
9020 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9021 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9024 2006-02-13 Jeff Law <law@redhat.com>
9026 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9029 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9032 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9033 twice if decl is a builtin. When trying again, call get_callee_fndecl
9034 first to verify it is still a builtin.
9036 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9038 * dwarf2out.c (base_type_die): Don't add AT_name here.
9039 (subrange_type_die): Don't add AT_name here.
9040 (modified_type_die): Rearrange code flow. Do add AT_name here.
9042 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9044 PR rtl-optimization/26247
9045 PR rtl-optimization/26248
9046 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9048 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9050 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9051 * config/fixtfdi.c: Likewise.
9052 * config/fixunstfdi.c: Likewise.
9053 * config/floatditf.c: Likewise.
9055 2006-02-13 Roger Sayle <roger@eyesopen.com>
9058 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9059 into (X,C2) if C1 is a subset of the bits of C2. Transform
9060 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9062 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9064 2006-02-13 Josh Conner <jconner@apple.com>
9067 * varasm.c (function_section): Check for section name before
9068 calling select_section on targets that define
9069 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9070 unlikely_text_section instead of hot_function_section if
9071 first_function_block_is_cold.
9073 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9076 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9078 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9080 PR rtl-optimization/26222
9081 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9082 after tree->rtl expansion.
9083 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9084 before passing it to emit_move_insn.
9086 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9088 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9090 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9091 Clarify documentation.
9092 * c-common.h (warn_write_strings): Remove.
9093 * c-common.c (warn_write_strings): Likewise.
9094 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9097 2006-02-12 Roger Sayle <roger@eyesopen.com>
9100 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9101 (do_jump_parts_zero_rtx): New function renamed from
9102 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9103 (do_jump_parts_equality_rtx): New function split out from
9104 do_jump_parts_equality. Old implementation renamed as above.
9105 Call do_jump_parts_zero_rtx if either operand is zero.
9106 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9107 do all of the heavy lifting.
9108 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9109 calling either do_jump_by_parts_greater_rtx or
9110 do_jump_by_parts_equality_rtx.
9111 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9112 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9113 moved to do_compare_rtx_and_jump, call it directly.
9114 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9115 mode argument. Call do_compare_rtx_and_jump.
9116 (emit_case_nodes): Update calls to do_jump_if_equal.
9118 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9120 PR rtl-optimization/26225
9121 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9123 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9125 PR rtl-optimization/26232
9126 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9128 2006-02-11 Jason Merrill <jason@redhat.com>
9131 * tree-inline.c (declare_return_variable): Just don't use the
9132 modify target if it's a gimple complex reg and the return slot
9135 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9137 * doc/contrib.texi: Update my entry.
9139 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9141 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9143 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9145 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9148 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9150 * doc/invoke.texi (-floop-optimize2): Removed.
9151 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9152 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9153 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9154 * common.opt (floop-optimize2): Removed.
9155 (fmove-loop-invariants): Enabled by default.
9157 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9159 * tree-if-conv.c (combine_blocks): Free the result of
9160 get_loop_exit_edges.
9162 2006-02-10 Jeff Law <law@redhat.com>
9164 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9166 PR tree-optimization/26213
9167 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9168 loop trying to follow SSA_NAME_VALUE chains.
9170 2006-02-10 Richard Guenther <rguenther@suse.de>
9172 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9173 deal with structures that end in implicitly variable sized arrays.
9175 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9177 PR rtl-optimization/24762
9178 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9181 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9183 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9184 (struct ivopts_data): Add regs_used field.
9185 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9186 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9187 instead of loop_data->regs_used;
9188 (free_loop_data): Do not free aux fields for loops.
9189 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9190 and tree_ssa_iv_optimize_finalize.
9192 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9194 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9196 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9199 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9200 computing the effective result type.
9202 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9205 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9206 (tree_overlaps_hard_reg_set): Declare.
9207 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9208 type and signature to match function type expected by walk_tree.
9209 (tree_overlaps_hard_reg_set): New function.
9210 (decl_conflicts_with_clobbers_p): Rename to:
9211 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9212 Use tree_overlaps_hard_reg_set. Changed caller.
9213 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9214 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9215 * cris.c (cris_md_asm_clobbers): Likewise.
9217 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9219 * reload1.c (emit_input_reload_insns): Delete code that tries to
9220 inherit using find_equiv_reg.
9222 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9224 * c-common.h (flag_const_strings): Don't declare.
9225 * c-common.c (flag_const_strings): Remove.
9226 * c.opt (fconst_strings): Remove.
9227 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9228 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9229 (c_common_init_options): Don't set flag_const_strings.
9230 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9232 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9234 * arm.md (tlobits_cbranch): New pattern.
9235 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9236 testing a single bit.
9238 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9241 * tree-ssa-pre.c (create_component_ref_by_pieces):
9242 Handle RETURN_DECL like VAR_DECL.
9244 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9247 * fold-const.c (fold_indirect_ref_1): Fold
9248 "*(foo *)&complexfoo" to "__real__ complexfoo"
9249 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9251 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9253 * tree-flow-inline.h (var_can_have_subvars):
9254 Volatile variables should not have subvariables.
9256 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9259 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9260 multiplying unsigned values.
9263 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9265 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9267 2006-02-08 Jason Merrill <jason@redhat.com>
9270 * tree.def: Elaborate on difference from MODIFY_EXPR.
9271 * doc/c-tree.texi (INIT_EXPR): Likewise.
9272 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9273 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9274 (gimplify_target_expr): Likewise.
9275 (gimplify_cond_expr): Remove target handling.
9276 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9277 (gimplify_expr): Clobber it here.
9278 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9279 Do return slot optimization if we have an INIT_EXPR.
9282 * tree-inline.c (declare_return_variable): Also clear
9283 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9286 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9289 * gimplify.c (gimplify_one_sizepos): Fix typo.
9291 2006-02-08 Jeff Law <law@redhat.com>
9293 PR tree-optimization/21417
9294 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9295 across a backedge if the control statement at the end of the
9296 block is data dependent on other statements in the same block.
9297 (record_temporary_equivalences_from_stmts): Remove over-conservative
9298 test for threading across backedges.
9300 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9301 control statement, handle all three special cases in the same
9302 manner as they all have the same desired solution. No longer
9303 special case edge flag updating when the post dominator is
9306 2006-02-08 Roger Sayle <roger@eyesopen.com>
9308 * tree.def (CHAR_TYPE): Remove.
9309 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9310 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9311 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9312 (gen_string_type_die): Delete unreachable function.
9314 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9315 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9316 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9317 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9318 * builtins.c (type_to_class): Likewise.
9319 * fold-const.c (fold_convert, build_range_check,
9320 merge_ranges): Likewise.
9321 * expr.c (count_type_elements): Likewise.
9322 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9323 * stor-layout.c (layout_type): Likewise.
9324 * ipa-type-escape.c (type_to_consider): Likewise.
9325 * gimplify.c (omp_firstprivatize_type_sizes,
9326 gimplify_type_sizes): Likewise.
9327 * explow.c (promote_mode): Likewise.
9328 * tree-sra.c (is_sra_scalar_type): Likewise.
9329 * varasm.c (output_constant): Likewise.
9330 * tree-inline.c (remap_type_1): Likewise.
9331 * convert.c (convert_to_pointer, convert_to_real,
9332 convert_to_integer, convert_to_complex): Likewise.
9334 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9336 * df-scan.c (df_def_record_1): A set destination may
9337 be a parallel regardless of mode.
9339 2006-02-08 Roger Sayle <roger@eyesopen.com>
9342 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9343 * config/mips/_tilib.c: Remove.
9344 * config/fixtfdi.c: New libgcc source file.
9345 * config/fixunstfdi.c: New source file.
9346 * config/floatditf.c: New source file.
9347 * config/floatunditf.c: New souce file.
9348 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9349 files above instead of config/mips/_tilib.c.
9350 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9352 2006-02-08 Jeff Law <law@redhat.com>
9354 PR tree-optimization/26169
9355 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9358 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9360 * df.h (DF_REG_SIZE): Return the length of the initialized
9363 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9365 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9366 __muldf3): Return a correctly signed zero.
9368 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9370 * passes.c (register_one_dump_file): Accept the current properties
9371 instead of pass number. Adjust call to dump_register. Remove
9373 (register_dump_files): Now a wrapper around...
9374 (register_dump_files_1): ... this one. Do not modify the pass
9376 (next_pass_1): Cosmetic fix.
9377 (execute_todo): Keep second parameter only. Use curr_properties
9378 instead of fetching it from the pass structure. Check and set
9380 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9381 instead of fetching it from the pass structure. Fix calls to
9382 execute_todo. Update curr_properties and initialize .vcg RTL dump
9383 after running the pass. Reset last_verified.
9384 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9386 (FIRST_AUTO_NUMBERED_DUMP): New.
9387 (dump_register): Remove "num" parameter, assign it within the
9389 (get_dump_file_name): Modify template for dumps.
9390 * tree-dump.h (dump_register): Adjust prototype.
9391 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9392 (PROP_trees): Add PROP_gimple_lomp.
9393 (TODO_set_props): New.
9394 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9395 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9396 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9398 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9400 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9401 (sparc64-*-linux*): Likewise.
9402 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9403 * config/sparc/t-linux: New file.
9404 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9405 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9406 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9407 -m32 -mlong-double-128.
9409 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9410 * config/alpha/t-linux: New file.
9411 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9413 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9414 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9415 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9416 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9417 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9418 (CPP_ARCH32_SPEC): Remove.
9420 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9422 PR tree-optimization/26145
9423 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9426 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9429 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9430 >= 240000 when generating code for SOM runtime.
9431 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9432 to $$dyncall when generating code for SOM runtime..
9434 2006-02-07 Dirk Mueller <dmueller@suse.com>
9437 * doc/invoke.texi (-Wsequence-point): Update documentation
9438 that -Wsequence-point is implemented for C++ as well.
9440 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9442 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9443 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9444 (LIB_SPEC): Likewise.
9445 * doc/invoke.texi (SPARC options): Document -pthread.
9447 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9449 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9452 2006-02-07 Roger Sayle <roger@eyesopen.com>
9454 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9455 Correct comment describing BOOLEAN_TYPE.
9457 2006-02-07 Dirk Mueller <dmueller@suse.com>
9459 * c.opt: C++ frontend supports -Wdiv-by-zero.
9460 * c-opts.c (c_common_handle_option): Remove dead case.
9462 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9464 * configure.ac (TLS assembler check): Do not enable TLS by
9465 default on SPARC/Solaris before version 10.
9466 * configure: Regenerate.
9468 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9470 * doc/invoke.texi (xl-compat): Document conversion and support
9473 2006-02-07 Jeff Law <law@redhat.com>
9475 * tree-vrp.c (find_conditional_asserts): Update comments.
9476 (simplify_stmt_for_jump_threading): New.
9477 (identify_jump_threads, finalize_jump_threads): New.
9478 (vrp_finalize): Call identify_jump_threads.
9479 (execute_vrp): Call finalize_jump_threads.
9480 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9481 (vrp_element, vrp_data, vrp_element_p): Remove.
9482 (vrp_hash_elt, vrp_variables_stack): Remove.
9483 (vrp_hash, vrp_eq, record_range): Remove.
9484 (simplify_cond_and_lookup_avail_expr): Remove.
9485 (extract_range_from_cond): Remove.
9486 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9487 (simplify_stmt_for_jump_threading): New.
9488 (dom_thread_across_edge): New wrapper.
9489 (tree_ssa_dominator_optimize): No longer initialize or
9490 finalize any of the VRP datastructures. Remove iteration
9491 step and simplify as a result of removal of iteration step.
9492 (pass_dominator): Perform a cfg cleanup after DOM.
9493 (dom_opt_finalize_block): Use the new common routines
9494 for threading jumps. Simplify stack management slightly.
9495 No longer need to unwind VRP state.
9496 (record_equivalences_from_incoming_edge): No longer record
9498 (eliminate_redundant_computations): No longer call
9499 simplify_cond_and_lookup_avail_expr.
9500 * tree-flow.h (potentially_threadable_block): Prototype.
9501 (thread_across_edge): Likewise.
9502 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9503 (tree-ssa-threadedge.o): Add dependencies.
9504 * tree-ssa-threadedge.c: New file.
9505 * passes.c (init_optimization_passes): Merge PHIs before
9506 calling VRP. Run VRP again late in the SSA optimization pipeline.
9508 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9510 * df-core.c (df_set_blocks): Do not dereference function pointers.
9511 (df_finish1): Likewise.
9512 (df_hybrid_search_forward): Likewise.
9513 (df_hybrid_search_backward): Likewise.
9514 (df_iterative_dataflow): Likewise.
9515 (df_analyze_problem): Likewise.
9516 (df_compact_blocks): Likewise.
9517 (df_dump): Likewise.
9518 * df-scan.c (df_rescan_blocks): Likewise.
9519 (df_record_entry_block_defs): Likewise.
9521 * genconditions.c (write_conditions): Guard the definition of
9522 'insn_conditions' with the check on GCC version.
9523 (write_writer): Guard the traversal 'insn_conditions' with
9524 the check on GCC version.
9526 2006-02-07 Richard Guenther <rguenther@suse.de>
9530 2006-01-30 Richard Guenther <rguenther@suse.de>
9532 * gimplify.c (gimplify_target_expr): Handle easy cases
9533 without creating a temporary.
9535 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9537 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9538 use of float in probability computations. Use edge probabilities
9539 in place of statically computed probabilities.
9540 (min_spec_prob): New static variable.
9541 (schedule_insns): Initialize it.
9542 (GET_SRC_PROB): Removed.
9543 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9545 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9548 * config/ia64/unwind-ia64.c: Revert last change.
9549 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9550 (INCOMING_FRAME_SP_OFFSET): Define.
9552 2006-02-06 Roger Sayle <roger@eyesopen.com>
9554 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9556 2006-02-07 Ben Elliston <bje@au.ibm.com>
9558 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9559 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9560 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9561 (ix86_return_in_memory): Handle TDmode.
9562 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9563 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9565 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9567 * reorg.c (dbr_schedule): Use dump_file instead of file.
9569 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9572 * config/ia64/predicates.md (extr_len_operand): New predicate.
9573 * config/ia64/ia64.md (extv): Tighten constraints.
9575 (*tbit_and_2): Ditto.
9576 (*tbit_and_3): Ditto.
9577 (*tbit_or_2): Ditto.
9578 (*tbit_or_3): Ditto.
9582 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9585 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9587 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9589 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9590 loop_optimizer_init and loop_optimizer_finalize
9591 * tree-ssa-sink.c (execute_sink_code): Ditto.
9592 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9593 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9594 tree_ssa_loop_done): Ditto.
9595 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9596 * sched-ebb.c: Include output.h.
9597 (schedule_ebbs): Do not use dump argument.
9598 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9599 * loop.c (loop_dump_stream): Removed.
9600 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9602 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9603 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9604 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9605 loop_iterations, strength_reduce, record_biv, record_giv,
9606 final_giv_value, check_final_value, check_ext_dependent_givs,
9607 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9608 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9609 dump_file instead of loop_dump_stream.
9610 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9612 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9614 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9615 * haifa-sched.c: Include output.h
9616 (schedule_insns, sched_init): Do not use dump argument.
9617 * mode-switching.c (optimize_mode_switching): Ditto.
9618 * modulo-sched.c (stats_file): Removed.
9619 (print_node_sched_params): Do not call argument dump_file.
9620 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9621 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9623 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9625 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9626 rtl_loop_init, rtl_loop_done): Ditto.
9627 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9628 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9630 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9631 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9632 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9633 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9634 * emit-rtl.c (renumber_insns): Ditto.
9635 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9636 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9637 * regclass.c (regclass): Ditto.
9638 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9639 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9640 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9641 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9643 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9644 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9646 * gcse.c (gcse_file, debug_stderr): Removed.
9647 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9648 rest_of_handle_gcse): Do not use dump argument.
9649 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9650 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9651 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9652 compute_code_hoist_vbeinout, compute_code_hoist_data,
9653 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9654 compute_store_table, build_store_vectors, insert_insn_start_bb,
9655 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9656 store_motion): Use dump_file instead of gcse_file.
9657 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9658 * profile.c (profile_dump_file): Removed.
9659 (branch_prob): Use dump_file instead of profile_dump_file.
9660 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9662 * tree-ssa-copy.c (dump_copy_of): Ditto.
9663 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9664 dump file to life_analysis.
9665 * bt-load.c (branch_target_load_optimize): Ditto.
9666 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9668 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9669 regclass, dbr_schedule): Declaration changed.
9670 * sched-int.h (sched_init): Declaration changed.
9671 * tree-profile.c (tree_profile_dump_file): Removed.
9672 (tree_profile_hooks): Removed profile_dump_file hook.
9673 * rtl-profile (rtl_profile_dump_file): Removed.
9674 (rtl_profile_hooks): emoved profile_dump_file hook.
9675 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9677 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9678 * tree-cfg.c (build_tree_cfg): Ditto.
9679 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9680 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9681 Declaration changed.
9682 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9683 life_analysis and schedule_insns.
9684 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9686 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9688 * config/mips/mips.c (mips_reorg): Ditto.
9689 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9692 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9694 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9695 (s390_mangle_fundamental_type): New.
9696 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9699 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9700 (alpha_mangle_fundamental_type): New.
9701 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9704 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9706 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9708 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9709 (sparc_mangle_fundamental_type): New.
9711 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9713 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9714 (s390x-*-linux*): Likewise.
9715 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9716 * config/s390/t-linux: New file.
9718 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9720 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9721 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9723 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9725 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9726 (ANTIC_SAFE_LOADS): New macro.
9727 (find_or_generate_expression): Add prototype.
9728 (set_contains_value): Allow null set for sake of not always having
9729 to allocate ANTIC_SAFE_LOADS.
9730 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9731 Allow COMPONENT_REF too.
9732 (valid_in_set): Allow COMPONENT_REF.
9733 Check ANTIC_SAFE_LOADS too.
9734 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9735 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9737 (can_PRE_operation): Add COMPONENT_REF.
9738 (create_component_ref_by_pieces): New function.
9739 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9740 (insert_aux): Move AGGREGATE_TYPE_P check here.
9741 (compute_avail): Set bb local stmt uids.
9742 (pass_pre): Use TODO_update_ssa_only_virtuals.
9744 2006-02-06 Ben Elliston <bje@au.ibm.com>
9746 * configure.ac: Unconditionally disable decimal float by default.
9747 * configure: Regenerate.
9749 2006-02-06 Ben Elliston <bje@au.ibm.com>
9751 * read-rtl.c (read_name): Terminate reading on EOF.
9753 2006-02-06 Ben Elliston <bje@au.ibm.com>
9755 * dfp.c (decimal_real_arithmetic): Change second argument type
9756 from int to enum tree_code. Do not always return true, but now
9757 return result of any call to decimal_do helper functions.
9758 * dfp.h (decimal_real_arithmetic): Update prototype.
9760 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9762 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9764 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9767 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9770 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9772 * tree-vrp.c (cfg_loops): Removed.
9773 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9774 Use current_loops instead of cfg_loops. Pass flags to
9775 loop_optimizer_init.
9776 * cfgloopmanip.c (fix_loop_structure): Update only available
9778 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9779 loop_optimizer_init.
9780 * modulo-sched.c (build_loops_structure): Removed.
9781 (sms_schedule): Use loop_optimizer_init.
9782 * loop-init.c (loop_optimizer_init): Use flags to determine
9783 which properties of loops to prepare.
9784 (rtl_loop_init): Pass flags to loop_optimizer_init.
9785 * tree-ssa-sink.c (execute_sink_code): Ditto.
9786 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9787 * tree-ssa-pre.c (init_pre): Ditto.
9788 * cfgloop.h (LOOPS_NORMAL): New.
9789 (loop_optimizer_init): Declaration changed.
9791 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9793 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9794 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9796 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9798 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9800 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9801 * pa/t-pa64: Delete quadlib.c rule.
9802 * pa/x-ada: Revert last change.
9803 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9805 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9807 PR rtl-optimization/26087
9808 * rtlanal.c (canonicalize_condition): Do not cross basic block
9811 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9814 * config/ia64/ia64.c: Include debug.h.
9815 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9816 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9817 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9818 (process_epilogue, process_set, process_for_unwind_directive):
9819 Output unwind info only if requested. Add CFA info if requested.
9820 Add new arguments as needed. Adjust callers.
9821 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9823 (DWARF2_FRAME_INFO): Define to zero.
9824 * config/ia64/unwind-ia64.c: Remove code that compensated for
9825 the CFA offset error fixed above.
9826 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9827 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9828 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9829 -funwind-tables and -fexceptions to enable frame info.
9830 (dwarf2out_frame_init): Define initial CFA even if
9831 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9832 DWARF2_UNWIND_INFO is nonzero, not just defined.
9833 (dwarf2out_frame_finish): Output non-EH call frame info only
9834 if DWARF2_FRAME_INFO is nonzero.
9835 (convert_cfa_to_loc_list,
9836 compute_frame_pointer_to_cfa_displacement): Define even if
9837 unwind info is not supported.
9838 (gen_subprogram_die): Use the above unconditionally. Remove
9839 legacy alternate code.
9840 * toplev.c (compile_file): Compile in call to
9841 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9842 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9844 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9845 Jakub Jelinek <jakub@redhat.com>
9847 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9848 IBM extended float format long double as "g" on powerpc*-linux.
9850 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9853 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9854 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9856 2006-02-03 Jason Merrill <jason@redhat.com>
9859 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9862 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9863 on the return slot if it's an NRV.
9865 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9867 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9868 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9869 rewrite_use): Do not handle USE_OUTER.
9870 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9871 add_iv_outer_candidates, may_replace_final_value,
9872 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9873 (find_interesting_uses_op): Functionality of
9874 find_interesting_uses_outer_or_nonlin moved here.
9875 (find_interesting_uses_outside): Use find_interesting_uses_op.
9877 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9880 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9882 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9883 Ulrich Weigand <uweigand@de.ibm.com>
9886 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9887 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9888 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9889 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9891 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9892 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9893 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9894 Define secondary reloads for TFmode moves.
9895 (constant_modes): Add TFmode.
9896 (NR_C_MODES): Set to 8.
9897 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9899 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9900 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9901 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9902 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9903 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9904 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9905 (FPR mode macro): Add TFmode.
9906 (DSF mode macro): New.
9907 (<de>, <dee> mode attributes): Removed.
9908 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9909 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9910 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9911 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9912 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9913 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9914 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9915 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9916 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9917 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9918 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9919 "*negabs<mode>2", "sqrt<mode>2"):
9920 Changed <de> to <xde>. R constraint replaced by <Rf>.
9921 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9923 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9924 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9925 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9927 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9928 "extenddftf2", "extendsftf2"): New expanders.
9929 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9930 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9931 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9932 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9934 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9935 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9936 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9937 __floatditf): Add a GCC_4.1.0 symbol version tag.
9938 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9941 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9944 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9945 Use targetm.binds_local_p instead of TREE_PUBLIC.
9947 2006-02-02 Roger Sayle <roger@eyesopen.com>
9949 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9950 on INTEGER_TYPEs to indicate that it denotes a character type.
9951 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9952 signed_char_type_node, unsigned_char_type_node and char_type_node.
9953 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9954 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9955 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9957 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9958 Daniel Berlin <dberlin@dberlin.org>
9960 * tree-tailcall.c (arg_needs_copy_p): New function.
9961 (eliminate_tail_call): Use arg_needs_copy_p.
9962 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9963 (add_virtual_phis): New function.
9965 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9967 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9968 #ignore instead of #scratch for %g7 .register directive.
9970 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9972 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9975 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9977 * flow.c (calculate_global_regs_live): Assert that there aren't any
9980 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9982 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9984 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9985 bsi_after_labels iterator.
9986 * tree-if-conv.c (find_phi_replacement_condition,
9987 replace_phi_with_cond_modify_expr): Likewise.
9988 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9989 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9991 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9993 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9995 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9998 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9999 array after growing it.
10001 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10003 PR middle-end/24901
10004 * fold-const.c (fold_checksum_tree): Change type of buf.
10006 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10008 * reload.c (push_secondary_reload): Initialize t_icode.
10010 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10012 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10013 -msoft-float -mlong-double-128 only issue a warning, but don't
10014 swich to DFmode long double.
10016 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10018 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10019 has a constant equivalent, iterate over equivalents for arg0,
10020 calling simplify_relational_operation and if there's a result
10021 cheaper than X, apply fold_rtx and return the result.
10023 2006-02-01 Jan Hubicka <jh@suse.cz>
10025 * opts.c (no_unit_at_a_time_default): New global variable.
10026 (decode_options): Use it.
10027 * opts.h (no_unit_at_a_time_default): Declare.
10029 2006-02-01 Paul Brook <paul@codesourcery.com>
10031 * function.c (assign_parm_setup_reg): Use function argument promotion
10033 * expr.c (expand_expr_real_1): Use function argument promotion rules
10036 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10038 * gcc.c (process_command): Change j to 'unsigned int'.
10040 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10042 PR middle-end/26001
10043 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10044 Use the corrected index for the character
10045 out of the string constant.
10047 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10049 * mode-switching.c (optimize_mode_switching): Fix size
10050 allocated for bb_info[n_entities].
10052 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10054 * gcc.c (main): Correct type that is allocated for
10055 explicit_link_files.
10057 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10059 * config/s390/s390.c (init_alignment_context): Set
10060 ALIAS_SET_MEMORY_BARRIER on the MEM.
10061 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10063 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10065 PR middle-end/25933
10066 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10068 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10071 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10073 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10074 * regrename.c: Ditto.
10075 * tree-ssa-loop-im.c: Ditto.
10076 * tree-dump.c: Ditto.
10077 * tree-complex.c: Ditto.
10078 * genrecog.c: Ditto.
10079 * tree-ssa-threadupdate.c: Ditto.
10081 * java/class.c: Ditto.
10082 * java/jcf-parse.c: Ditto.
10083 * java/resource.c: Ditto.
10084 * java/except.c: Ditto.
10085 * java/jvspec.c: Ditto.
10086 * java/jcf-write.c: Ditto.
10087 * java/jcf-path.c: Ditto.
10088 * java/gjavah.c: Ditto.
10089 * java/zextract.c: Ditto.
10090 * java/jcf-io.c: Ditto.
10091 * java/jcf.h: Ditto.
10092 * java/buffer.c: Ditto.
10093 * java/lang.c: Ditto.
10094 * java/parse-scan.y: Ditto.
10095 * java/lex.c: Ditto.
10096 * java/lex.h: Ditto.
10097 * cfgloopmanip.c: Ditto.
10098 * postreload-gcse.c: Ditto.
10099 * tree-ssa-loop-manip.c: Ditto.
10100 * postreload.c: Ditto.
10101 * tree-ssa-loop-ch.c: Ditto.
10104 * cppspec.c: Ditto.
10105 * diagnostic.c: Ditto.
10107 * genoutput.c: Ditto.
10109 * cfghooks.c: Ditto.
10110 * cfgloopanal.c: Ditto.
10111 * objc/objc-act.c: Ditto.
10113 * genextract.c: Ditto.
10114 * genautomata.c: Ditto.
10115 * pretty-print.c: Ditto.
10116 * genemit.c: Ditto.
10117 * cgraphunit.c: Ditto.
10119 * df-scan.c: Ditto.
10120 * haifa-sched.c: Ditto.
10121 * dominance.c: Ditto.
10123 * tree-ssa-loop-ivopts.c: Ditto.
10124 * df-core.c: Ditto.
10125 * mode-switching.c: Ditto.
10126 * modulo-sched.c: Ditto.
10128 * ipa-pure-const.c: Ditto.
10130 * fix-header.c: Ditto.
10132 * tree-stdarg.c: Ditto.
10133 * ipa-utils.c: Ditto.
10134 * loop-init.c: Ditto.
10135 * ipa-inline.c: Ditto.
10136 * cfganal.c: Ditto.
10138 * alloc-pool.c: Ditto.
10139 * dwarf2out.c: Ditto.
10141 * genattrtab.c: Ditto.
10142 * tree-ssa-loop-ivcanon.c: Ditto.
10143 * predict.c: Ditto.
10144 * timevar.c: Ditto.
10146 * fortran/gfortranspec.c: Ditto.
10147 * regmove.c: Ditto.
10148 * local-alloc.c: Ditto.
10149 * langhooks.c: Ditto.
10150 * function.c: Ditto.
10151 * tree-vectorizer.c: Ditto.
10153 * ipa-type-escape.c: Ditto.
10155 * tree-if-conv.c: Ditto.
10156 * profile.c: Ditto.
10158 * tree-data-ref.c: Ditto.
10159 * loop-unroll.c: Ditto.
10160 * treelang/treetree.c: Ditto.
10162 * bt-load.c: Ditto.
10163 * ggc-common.c: Ditto.
10165 * coverage.c: Ditto.
10167 * tree-cfgcleanup.c: Ditto.
10168 * tree-ssa-pre.c: Ditto.
10169 * cfgcleanup.c: Ditto.
10170 * loop-invariant.c: Ditto.
10171 * loop-iv.c: Ditto.
10172 * ipa-prop.c: Ditto.
10173 * print-tree.c: Ditto.
10174 * conflict.c: Ditto.
10175 * ggc-page.c: Ditto.
10176 * sched-deps.c: Ditto.
10177 * regclass.c: Ditto.
10178 * tree-object-size.c: Ditto.
10179 * combine.c: Ditto.
10180 * bb-reorder.c: Ditto.
10181 * resource.c: Ditto.
10182 * var-tracking.c: Ditto.
10183 * cfgloop.c: Ditto.
10184 * df-problems.c: Ditto.
10185 * reg-stack.c: Ditto.
10187 * gccspec.c: Ditto.
10188 * sched-rgn.c: Ditto.
10189 * tree-ssa-structalias.c: Ditto.
10190 * tree-ssa-reassoc.c: Ditto.
10191 * config/darwin-c.c: Ditto.
10192 * config/darwin.c: Ditto.
10193 * config/arm/arm.c: Ditto.
10195 * collect2.c: Ditto.
10196 * reload1.c: Ditto.
10198 2006-01-31 Nicolas Pitre <nico@cam.org>
10200 * arm.md (smaxsi3): Make aware of smax_m1.
10203 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10205 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10207 2006-01-31 Richard Guenther <rguenther@suse.de>
10209 * doc/invoke.texi (-msselibm): Document.
10210 * target.h (expand_library_builtin): New target hook.
10211 * builtins.c (expand_builtin): Use expand_library_builtin.
10212 (default_expand_library_builtin): New function.
10213 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10214 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10215 (link_gcc_math_spec): Declare.
10216 (static_specs): Add link_gcc_math_spec.
10217 * expr.h (default_expand_library_builtin): Declare.
10218 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10219 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10220 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10221 * config/i386/i386.opt (msselibm): New target option.
10222 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10223 (ix86_init_sse_abi_builtins): New function.
10224 (ix86_expand_library_builtin): Likewise.
10225 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10226 (override_options): Handle error conditions wrt -msselibm.
10227 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10228 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10229 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10232 2006-01-31 Richard Guenther <rguenther@suse.de>
10233 Paolo Bonzini <bonzini@gnu.org>
10235 * doc/install.texi (--disable-libgcc-math): Document.
10237 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10239 * expr.h (expand_normal): new inline function.
10240 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10241 * dojump.c: use it.
10242 * dwarf2out.c: use it.
10245 * expmed.c: use it.
10246 * except.c: use it.
10247 * config/sparc/sparc.c: use it.
10248 * config/i386/i386.c: use it.
10249 * config/rs6000/rs6000.c: use it.
10250 * config/arm/arm.c: use it.
10251 * config/mips/mips.c: use it.
10252 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10254 2006-01-30 Roger Sayle <roger@eyesopen.com>
10256 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10257 argv to the appropriate type.
10259 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10261 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10264 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10267 * config/s390/s390.c (struct machine_function): New flag
10268 decomposed_literal_pool_addresses_ok_p.
10269 (s390_reorg): Set it before final stage of literal pool transforms.
10270 (s390_decompose_address): Only accept displacements of the form
10271 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10273 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10275 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10276 the comparison routine return.
10278 2006-01-30 Michael Matz <matz@suse.de>
10280 * global.c (find_reg): Only evict for global regs.
10281 Take n_refs into account and dump more info.
10283 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10286 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10287 (pragma_trap, pragma_nosave_low_regs): Likewise.
10288 (current_function_anonymous_args): Likewise.
10289 (sh_deferred_function_attributes): New variable.
10290 (sh_deferred_function_attributes_tail): Likewise.
10291 (print_operand): For '@', look up trap_exit attribute.
10292 (calc_live_regs): Look up trapa_handler attribute. For trapa
10293 handlers, save/restore fpscr, but don't do any other
10294 interrupt-specific saves.
10295 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10296 Fix check for partially saved registers to check for SHmedia.
10297 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10298 (sh_output_function_epilogue): Don't clear any of the removed
10300 (sh_insert_attributes): Don't check pragma_interrupt.
10301 Insert deferred attributes. Check that interrupt attribute is
10302 present for other attributes that require its presence.
10303 (sh_attribute_table): Add new attributes trapa_handler and
10305 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10306 Don't check for pragma_interrupt. Don't store argument.
10307 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10308 (sh_deferred_function_attributes): Declare.
10309 (sh_deferred_function_attributes_tail): Likewise.
10310 * sh.md (sp_switch_1): Add operand. Change generator caller.
10311 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10312 (*return_i): Don't use when trap_exit attribute is in effect.
10313 (*return_trapa): New insn pattern.
10314 * sh-c.c: New file.
10315 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10316 setting c_target_objs and cxx_target_objs.
10317 * t-sh: Add rule for sh-c.o.
10319 2006-01-30 Richard Guenther <rguenther@suse.de>
10322 * gimplify.c (gimplify_target_expr): Handle easy cases
10323 without creating a temporary.
10325 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10327 * vec.h (safe_grow): Remove duplicated line.
10329 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10332 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10333 (expand_omp): ... here.
10334 (expand_omp_parallel): Only remove barriers for combined
10335 parallel+workshare constructs.
10337 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10341 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10342 * tree.c (build_qualified_type): Chain the new type to the original
10343 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10344 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10345 (build_pointer_type_for_mode): Only return unqualified types.
10346 (build_reference_type_for_mode): Likewise.
10348 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10350 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10351 * Makefile.in (CXX_COMPAT_WARN): Define.
10352 * configure: Regenerate.
10354 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10357 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10360 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10362 * toplev.c: Fix thinko.
10364 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10365 Marcin Dalecki <martin@dalecki.de>
10367 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10368 (push_srcloc): Use XNEW.
10369 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10371 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10373 * df-core.c (df_set_blocks): Deleted all variable.
10375 2006-01-28 Ian Lance Taylor <ian@airs.com>
10377 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10378 cgraph_output_pending_asms.
10380 2006-01-28 Zack Weinberg <zackw@panix.com>
10382 * c.opt: Add -W(no-)overlength-strings.
10383 * doc/invoke.texi: Document it.
10384 * c-opts.c (c_common_handle_option): -pedantic implies
10385 -Woverlength-strings, if not explicitly disabled already.
10386 (c_common_post_options): -Woverlength-strings defaults to off, and
10387 is always off for C++.
10388 * c-common.c (fix_string_type): Issue warning about strings longer
10389 than is portable only if warn_overlength_strings. Rearrange code
10390 a little for clarity.
10391 * configure.in: Check for -Wno-overlength-strings as well before
10392 enabling -pedantic in stage 1.
10393 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10394 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10396 * genconditions.c (write_header, write_one_condition)
10397 (write_conditions, write_writer): Consolidate very long strings
10398 that were broken up to fit in C89 portable limit. Don't use
10399 printf when fputs will do.
10401 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10403 * combine.c (simplify_comparison <AND>): Check
10404 TRULY_NOOP_TRUNCATION before start using a subreg.
10406 * config/mips/mips.md (*branch_zero<mode>,
10407 *branch_zero<mode>_inverted, *branch_equality<mode>,
10408 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10409 Remove mode check from comparisons.
10411 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10413 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10415 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10417 * expmed.c (const_mult_add_overflow_p): Remove.
10418 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10420 * recog.c (validate_replace_rtx_subexp): Remove.
10421 * recog.h: Remove the prototype for
10422 validate_replace_rtx_subexp.
10424 * integrate.h: Remove the prototype for
10425 copy_decl_for_inlining.
10426 * rtl.h: Remove the prototype for mark_constant_function.
10427 * tree-vectorizer.h: Remove the prototype for
10428 vect_strip_conversion.
10430 * modulo-sched.c (create_partial_schedule,
10431 free_partial_schedule, reset_partial_schedule): Make them
10434 * hooks.c (hook_bool_rtx_int_false): Remove.
10435 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10437 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10439 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10440 and -mlong-double-128 are incompatible.
10441 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10442 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10443 (TARGET_LIBGCC2_CFLAGS): Define.
10444 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10445 (TARGET_LIBGCC2_CFLAGS): Same.
10446 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10448 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10451 * c-typeck.c (build_binary_op): Perform implicit casts of
10452 operands before shortening them.
10454 * cfgloopmanip.c (split_loop_bb): Remove.
10455 * cfgloop.h: Remove the prototype for split_loop_bb.
10457 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10458 * cfgloop.h: Remove the prototype for
10459 flow_loop_outside_edge_p.
10461 * emit-rtl.c (init_virtual_regs): Make it static.
10462 * function.h: Remove the prototype for init_virtual_regs.
10464 * recog.c (peephole2_optimize): Make it static.
10465 * recog.h: Remove the prototype for peephole2_optimize.
10467 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10469 * df-scan.c (df_record_entry_block_defs): Check if
10470 INCOMING_RETURN_ADDR_RTX is defined.
10472 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10473 Kenneth Zadeck <zadeck@naturalbridge.com>
10475 PR rtl-optimization/24762
10476 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10477 * targhooks.c (hook_void_bitmap): New hook prototype.
10478 * targhoohs.h (hook_void_bitmap): Ditto.
10479 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10480 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10481 * target.h (live_on_entry): New function pointer.
10482 * df-scan.c (df_all_hard_regs): Removed.
10483 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10484 (df_scan_free_internal): Added df->entry_block_defs.
10485 (df_scan_alloc): Ditto.
10486 (df_scan_dump): Ditto.
10487 (df_uses_record): Plumbed flag field properly thru calls.
10488 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10489 This part fixes PR24762.
10490 (df_bb_refs_record): Added code to make the frame and arg
10491 pointers live in EH blocks.
10492 (df_refs_record): Added call to df_record_entry_block_defs.
10493 (df_record_entry_block_defs): New function.
10494 * df-core.c: Added comments to describe new artifical defs.
10495 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10496 (entry_block_defs): New field in struct df.
10497 (df_all_hard_regs): Deleted.
10498 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10499 * df-problems.c (df_ru_bb_local_compute_process_def):
10500 Added code to handle artifical defs in the entry to a function.
10501 (df_ru_bb_local_compute): Ditto.
10502 (df_rd_bb_local_compute_process_def): Ditto.
10503 (df_rd_bb_local_compute): Ditto.
10504 (df_lr_bb_local_compute): Ditto.
10505 (df_ur_bb_local_compute): Ditto.
10506 (df_urec_bb_local_compute): Ditto.
10507 (df_chain_create_bb): Ditto.
10508 (df_ur_local_finalize): Removed entry.
10509 (df_urec_init): Ditto.
10510 (df_urec_local_finalize): Ditto.
10511 (df_ri_bb_compute): Added detection of last use of pseudos.
10512 * Makefile.in (df-scan.o): Updated dependencies.
10513 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10514 * config/mips/mips.c (mips_set_live_on_entry): Added.
10515 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10517 * dce.c (marked_insn_p): Added code to handle artifical defs.
10519 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10521 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10523 (_mm_cvtsi128_si64): Likewise.
10524 (_mm_cvtsd_si64): Likewise.
10525 (_mm_cvttsd_si64): Likewise.
10526 (_mm_cvtsi64_sd): Likewise.
10527 (_mm_cvtsi64_si128): Likewise.
10528 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10529 (_mm_cvtsi64_m64): Likewise.
10530 (_m_to_int64): Likewise.
10531 (_mm_cvtm64_si64): Likewise.
10532 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10533 (_mm_cvttss_si64): Likewise.
10534 (_mm_cvtsi64_ss): Likewise.
10535 (_mm_cvtss_f32): Likewise.
10537 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10539 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10540 for pragma redefine_extname.
10542 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10545 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10546 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10547 -mno-minimal-toc to previous content.
10548 (bispecs): Remove goal.
10549 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10550 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10551 compatibility aliases on powerpc-*-*gnu*.
10552 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10553 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10554 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10555 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10556 (ldblspecs): New goal.
10557 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10558 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10560 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10561 L_sf_to_tf or L_df_to_tf is defined.
10563 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10564 Alan Modra <amodra@bigpond.net.au>
10567 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10568 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10569 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10570 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10571 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10572 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10573 (rs6000_override_options): Initialize rs6000_ieeequad.
10574 Initialize TFmode format to ibm_extended_format if not
10576 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10578 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10579 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10580 (function_arg_advance): IBM long double passed in two FPRs, not
10582 (function_arg): IBM long double passed in FPRs.
10583 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10584 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10585 Only multireg GPR aligned.
10586 (rs6000_init_libfuncs): Enable IBM long double functions if not
10588 (rs6000_generate_compare): Use IBM long double compare if not
10590 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10591 (TARGET_IEEEQUAD): Define.
10592 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10593 not TARGET_IEEEQUAD.
10594 * config/rs6000/rs6000.md: Enable TFmode patterns if
10596 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10597 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10598 and -mlong-double-128 are incompatible.
10599 * doc/invoke.texi (-mabi): Collect options together. Add
10600 ibmlongdouble and ieeelongdouble.
10602 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10604 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10606 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10607 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10608 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10609 * rtl.h (rtunion_def): Remove rt_ptr.
10611 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10612 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10613 * config/i386/winnt.c (i386_pe_mark_dllexport)
10614 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10616 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10618 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10620 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10624 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10625 pthread_key_delete. From John David Anglin. gthrw-ify
10626 pthread_getunique_np only if it it's not a macro. Delete
10628 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10629 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10630 __gthread_objc_condition_signal, __gthread_key_delete): Add
10631 "__attribute__ ((__unused__))" to unused arguments.
10632 (__gthread_recursive_mutex_init_function): Add missing return.
10633 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10634 gthr-posix95.h: Use macro-based approach for name redirection
10635 on targets missing weakref.
10637 2006-01-26 Zack Weinberg <zackw@panix.com>
10639 * genconditions.c (write_header): In generated code, #ifdef out
10640 all includes and fake declarations, except includes of bconfig.h
10641 and system.h, unless GCC_VERSION >= 3001. Do not include
10642 gensupport.h in any case.
10643 (write_conditions): Generate a definition of struct c_test. Add
10644 a comment to the generated #endif.
10645 (write_one_condition): Escape backslashes in string too.
10646 (write_writer): Generated code must escape backslashes and quote
10647 marks (but not newlines) in the strings it writes.
10648 * Makefile.in (build/gencondmd.o): Update dependencies.
10650 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10653 * Makefile.in (insn-automata.o): Add header file dependencies.
10654 * genautomata.c: Add includes.
10656 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10659 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10661 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10663 * configure.ac: Expect target tools paths to be passed from the toplevel
10664 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10666 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10668 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10671 * c.opt (Wpointer-sign): Init to -1.
10672 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10673 OPT_pedantic, to 0 otherwise.
10674 * doc/invoke.texi: Update.
10676 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10678 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10679 constants provided by 80387 instructions in the destination mode.
10681 2006-01-26 Richard Guenther <rguenther@suse.de>
10682 Andrew Pinski <pinskia@physics.uc.edu>
10685 partial PR tree-opt/17064
10686 * tree-ssa-structalias.c (intra_create_variable_infos):
10687 Create heap variables for incoming parameters if
10688 flag_argument_noalias > 1.
10689 (find_what_p_points_to): Look through default defs of
10692 2006-01-26 Jeff Law <law@redhat.com>
10695 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10696 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10697 within the VR_RANGE, use the VR_RANGE as the result, not the
10699 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10700 bounds for the type.
10702 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10704 * tree-ssa-alias.c (maybe_create_global_var): Change
10705 subvar walking to an assertion that we don't have subvar'd variables.
10707 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10710 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10711 Use a new variable, inner. PARM_DECLs are always non-weak.
10713 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10715 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10716 --disable-checking.
10718 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10720 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10722 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10724 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10725 (smax_insn, smin_insn, smax_0, smin_0): New.
10727 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10730 * config/cris/cris.c (cris_order_for_addsi3): New function.
10731 * config/cris/cris-protos.h: Prototype it.
10732 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10733 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10734 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10735 (split for "op.S1 [rx=rx+i],ry (swapped)")
10736 (split for "op(s|u).S1 [rx=rx+i],ry")
10737 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10738 Apply cris_order_for_addsi3 when generating addsi3 insns.
10740 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10742 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10743 (TREE_BLOCK): Add call to EXPR_CHECK.
10745 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10748 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10749 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10750 (dump_omp_clauses): ... here.
10751 (dump_generic_node): Handle OMP_CLAUSE.
10752 * tree.c (omp_clause_num_ops): New.
10753 (omp_clause_code_name): New.
10754 (tree_code_size): Handle OMP_CLAUSE.
10755 (tree_size): Likewise.
10756 (make_node): Document handling of OMP_CLAUSE.
10757 (tree_node_structure): Handle OMP_CLAUSE.
10758 (omp_clause_check_failed): New.
10759 (omp_clause_range_check_failed): New.
10760 (omp_clause_operand_check_failed): New.
10761 (build_omp_clause): New.
10762 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10763 * tree.h (enum omp_clause_code): Declare.
10764 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10765 (OMP_CLAUSE_RANGE_CHECK): Define.
10766 (OMP_CLAUSE_ELT_CHECK): Define.
10767 (omp_clause_check_failed): Declare.
10768 (omp_clause_operand_check_failed): Declare.
10769 (omp_clause_range_check_failed): Declare.
10770 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10771 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10772 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10773 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10774 (OMP_CLAUSE_IF_EXPR): Likewise.
10775 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10776 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10777 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10778 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10779 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10780 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10781 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10782 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10783 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10784 (OMP_CLAUSE_CODE): Define.
10785 (OMP_CLAUSE_SET_CODE): Define.
10786 (OMP_CLAUSE_CODE): Define.
10787 (OMP_CLAUSE_OPERAND): Define.
10788 (struct tree_omp_clause): Declare.
10789 (union tree_node): Add field 'omp_clause'.
10790 * treestruct.def (TS_OMP_CLAUSE): Define.
10791 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10792 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10793 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10794 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10795 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10796 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10797 (OMP_CLAUSE): Define.
10798 * print-tree.c (print_node): Handle OMP_CLAUSE.
10799 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10800 * c-typeck.c: Likewise.
10801 * gimplify.c: Likewise.
10802 * c-omp.c: Likewise.
10803 * tree-nested.c: Likewise.
10804 * tree-inline.c: Likewise.
10805 * c-parser.c: Likewise.
10806 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10809 2006-01-25 Roger Sayle <roger@eyesopen.com>
10811 PR rtl-optimization/25703
10812 * combine.c (try_combine): Handle zero_extract and strict_low_part
10813 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10815 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10817 * global.c: Fix comment typos.
10819 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10822 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10823 Use output_addr_const instead of assemble_name.
10825 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10827 * Makefile.in (sched-vis.o): Update dependencies.
10828 * haifa-sched.c (sched_finish): Clear current_sched_info.
10829 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10830 (dump_flow_info): Call it.
10831 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10833 * basic-block.h (dump_bb_info): Declare.
10834 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10835 option, and apply options only for dump files whose TDF_RTL,
10836 TDF_TREE, or TDF_IPA bits match.
10837 * rtl.h: Declare new functions exported from sched-vis.c.
10838 * sched-vis.c: Enable also if scheduling is not used.
10839 (print_value): Print the mode of registers if not inside scheduling.
10840 (print_insn): Make it work outside the scheduler. Beautify the output
10842 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10844 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10846 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10847 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10848 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10849 depending on the value of CONSTANT_POOL_ADDRESS_P.
10850 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10852 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10853 rather than SYMBOL_REF_DECL.
10854 (rtx_constant_pool): Remove const_rtx_sym_htab.
10855 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10856 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10857 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10858 Remove handling of const_rtx_sym_htab.
10859 (find_pool_constant): Delete.
10860 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10861 rather than find_pool_constant.
10862 (get_pool_constant_for_function): Delete.
10863 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10864 find_pool_constant.
10865 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10866 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10867 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10868 (SYMBOL_REF_CONSTANT): New macro.
10869 (get_pool_constant_for_function): Delete.
10870 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10871 rather than SYMBOL_REF_DECL.
10872 (i386_pe_mark_dllimport): Likewise.
10873 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10874 rather than SYMBOL_REF_DECL.
10875 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10876 (machopic_indirect_call_target): Likewise.
10878 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10880 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10882 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10884 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10886 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10888 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10890 2006-01-24 David Daney <ddaney@avtrex.com>
10893 * configure.ac (enable_tls): New enable option.
10894 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10895 * configure: Regenerate.
10896 * doc/install.texi (--enable-tls): Document new option.
10897 (--disable-tls): Ditto.
10899 2006-01-24 Richard Henderson <rth@redehat.com>
10901 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10902 * alias.c (true_dependence): Respect it.
10903 (canon_true_dependence, write_dependence_p): Likewise.
10904 * builtins.c (get_builtin_sync_mem): Set it.
10906 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10908 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10911 2006-01-24 DJ Delorie <dj@redhat.com>
10913 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10914 for storing constants in single-bit bitfields.
10916 2006-01-25 Ben Elliston <bje@au.ibm.com>
10918 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10920 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10923 * tree-ssa-pre.c (phi_translate): Return NULL
10924 for AGGREGATE_TYPE's.
10926 2006-01-24 Zack Weinberg <zackw@panix.com>
10928 * genautomata.c (process_state_for_insn_equiv_partition):
10929 Use xcalloc for insn_arcs_array.
10930 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10931 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10933 2006-01-24 Richard Henderson <rth@redhat.com>
10935 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10936 update all callers.
10938 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10940 PR rtl-optimization/25890
10941 PR rtl-optimization/25905
10942 * combine.c (expand_compound_operation, expand_field_assignment):
10943 Fail if the bitfield's final position is out of bounds.
10945 2006-01-24 Ian Lance Taylor <ian@airs.com>
10947 PR middle-end/25930
10948 * cgraphunit.c (cgraph_output_in_order): Don't clear
10949 cgraph_asm_nodes until after asm strings have been output.
10951 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10953 * fix-header.c (read_scan_file): Add new parameter imultilib when
10954 calling register_include_chains.
10956 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10958 * omp-low.c: Update documentation.
10960 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10961 Daniel Berlin <dberlin@dberlin.org>
10965 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10966 return from the function.
10968 2006-01-22 Zack Weinberg <zackw@panix.com>
10970 * rtl.def (match_code): Add second argument.
10971 * genpreds.c (write_extract_subexp): New function.
10972 (write_match_code): Add path argument. Use write_extract_subexp.
10973 (write_predicate_expr): Pass path to write_match_code.
10974 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10975 not perform a mode test.
10976 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10977 a subexpression does not constrain the top-level code set.
10978 * read-rtl.c (read_rtx_variadic): New function.
10979 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10980 * doc/md.texi: Document new notation.
10981 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10982 (cmpsi_operand): ... here, using new notation.
10984 2006-01-22 Zack Weinberg <zackw@panix.com>
10986 * varray.c: Remove GENERATOR_FILE #ifdefs.
10988 2006-01-22 Zack Weinberg <zackw@panix.com>
10990 * genautomata.c (output_reserved_units_table): Emit nothing if
10991 description->query_units_num is zero. Remove extra blank line.
10992 (output_cpu_unit_reservation_p): Short circuit
10993 if description->query_units_num is zero.
10995 2006-01-22 Zack Weinberg <zackw@panix.com>
10997 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10998 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10999 nor any of the random handful of variables that used to be necessary
11000 when this program was linked with rtlanal.o. Prune set of forward
11001 function declarations.
11002 (struct attr_desc): Remove static_p field.
11003 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11004 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11005 (attr_string): Do not read the character one past the length of
11007 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11008 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11009 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11010 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11011 (make_automaton_attrs): New.
11012 (main): Do not call into genautomata. Call local gen_bypass
11013 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11014 Remove special case for insn_alts.
11015 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11016 varray.h (leftover from previous change). Prune set of forward
11017 function declarations. Remove state_alts fields from all
11018 structures. Remove state_alts_table from struct automaton.
11019 Make everything except main static. Do not maintain num_dfa_decls.
11020 Do not maintain state_alts fields of various structures.
11021 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11022 (add_arc): Remove state_alts argument. All callers updated.
11023 (output_reserved_units_table): Emit #ifdef here...
11024 (output_tables): ...not here. Don't generate state_alts tables.
11025 (expand_automata): Don't generate attributes.
11026 (write_automata): Don't generate state_alts functions.
11027 (main): New function.
11028 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11029 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11030 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11031 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11032 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11033 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11034 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11035 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11037 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11038 * genattrtab.h: Delete file.
11039 * Makefile.in (OBJS-common): Add insn-automata.o.
11040 (insn-automata.o): New rule.
11041 (simple_generated_c): Add insn-automata.c.
11042 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11043 (genprogmd): Add automata.
11044 (build/genattrtab): Needs no extra objects nor libraries.
11045 (build/genautomata): Needs build/vec.o and -lm.
11047 2006-01-22 Zack Weinberg <zackw@panix.com>
11049 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11050 (output_dfa_max_issue_rate, locked_states_num): Delete.
11051 (struct automaton): Add locked_states field.
11052 (output_dead_lock_vect): Save number of locked states in
11053 automaton->locked_states. If it is zero, don't print anything.
11054 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11055 (output_internal_dead_lock_func): Only test the dead_lock_vect
11056 for automata that have locked states.
11057 (output_statistics): Always print the number of locked states for
11058 each automaton. Calculate total number of locked states here.
11059 (write_automata): Don't call output_dfa_max_issue_rate.
11060 * genattrtab.c: Define length_unit_log as a const variable.
11061 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11062 max_insn_queue_index const.
11063 * final.c (length_unit_log): Declare const.
11064 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11066 2006-01-22 Zack Weinberg <zackw@panix.com>
11068 * genautomata.c: Include vec.h, not varray.h.
11069 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11070 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11071 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11072 VEC_* macros operating on appropriately typed vectors, or to
11073 malloced arrays when the size is known in advance. Const-ify
11074 many char* variables and function arguments. No functional changes.
11075 * Makefile.in (build/varray.o): Delete rule.
11076 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11077 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11079 2006-01-22 Zack Weinberg <zackw@panix.com>
11081 * gensupport.c: Define get_insn_name and record_insn_name here.
11082 (read_md_rtx): Call record_insn_name as appropriate.
11083 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11084 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11085 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11087 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11088 (BUILD_VARRAY): Delete.
11089 (genprognormal): Rename genprogmd. Fold in all programs from
11090 genprognoprint; also attrtab.
11091 (build/genattrtab): Just mention genautomata.o and varray.o.
11092 Reorganize a bit, add comments to make the categories clearer.
11094 2006-01-22 Zack Weinberg <zackw@panix.com>
11096 * genconditions.c (condition_table, add_condition): Delete.
11097 (write_conditions): Don't emit n_insn_conditions nor
11098 insn_elision_unavailable. Issue the gcc version #ifdef here,
11099 inside the table, with no #else clause ...
11100 (write_header): ...not here.
11101 (write_writer): New function.
11102 (main): Don't initialize condition_table. Use add_c_test.
11104 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11105 files on the command line.
11106 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11107 Return -1 if there is no entry in the table, don't abort.
11108 (add_c_test, traverse_c_tests): New functions.
11109 * gensupport.h (insn_elision_unavailable, insn_conditions)
11110 (n_insn_conditions): Delete declarations.
11111 (add_c_test, traverse_c_tests): Declare.
11112 * read-rtl.c: Include gensupport.h.
11113 (read_conditions): New function.
11114 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11115 (read_rtx_1): If we get EOF when we were looking for an initial
11116 open paren, return 0. Call read_conditions when appropriate.
11117 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11118 dummy-conditions.o. Eliminate references to insn-conditions.o,
11119 or change them to build/gencondmd.o, as appropriate. Remove
11120 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11121 from $(simple_generated_c). For all files remaining in those
11122 two lists, add insn-conditions.md to the generator command line.
11123 Give insn-constants.h/s-constants their own rules. Add rules
11124 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11125 (build/read-rtl.o): Depend on gensupport.h.
11126 (genprognormal): Include preds.
11127 (genprogearly): Rename genprognoprint; only difference is now that
11128 they don't link with $(BUILD_PRINT).
11129 * dummy-conditions.c: Delete.
11131 2006-01-22 Zack Weinberg <zackw@panix.com>
11133 * genextract.c: Don't include insn-config.h. Do include vec.h.
11134 Declare vectors of int, char, and locstr.
11135 (locstr): New typedef.
11136 (struct extraction): Make all array fields into bare pointers.
11137 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11138 (insn_code_number): Delete.
11139 (accum_extract): New struct.
11140 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11141 (gen_insn): Take insn_code_number as an argument. Use an
11142 accum_extract structure instead of loading data directly into
11143 a struct extraction, and having to know how big it might get.
11144 (walk_rtx): Operate entirely on an accum_extract structure.
11145 (print_path): Avoid unnecessary use of printf.
11146 (print_header): New function, split out of main. Distinguish
11147 more carefully between an unrecognizable insn and an insn that
11148 has the code number of a define_expand.
11149 (main): Pass insn_code_number to gen_insn. Call print_header
11150 only after parsing. Avoid unnecessary use of printf.
11151 * Makefile.in (build/vec.o): New rule.
11152 (build/genextract): Depend on build/vec.o.
11153 (build/genextract.o): Don't depend on insn-config.h.
11155 2006-01-22 Zack Weinberg <zackw@panix.com>
11157 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11158 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11159 practical. Eliminate per-generator-program link rules.
11161 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11163 PR middle-end/24437
11164 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11165 with a call expr to ...
11166 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11168 2006-01-23 Richard Guenther <rguenther@suse.de>
11170 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11171 before make_edge with conditional EDGE_TRUE_VALUE.
11173 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11174 Jan Hubicka <jh@suse.cz>
11175 Richard Guenther <rguenther@suse.de>
11177 PR rtl-optimization/25654
11178 * cfgexpand.c (aggregate_contains_union_type): New function.
11179 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11180 for structure variables that contain a union type.
11182 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11184 * gengtype.c (new_structure): Return the structure.
11185 (create_option): Add an extra "next" argument.
11186 (create_field): New function.
11187 (adjust_field_rtx_def): Use create_option and create_field.
11188 Remove a now-unnecessary call to find_structure.
11189 (adjust_field_tree_def): Likewise.
11190 (note_yacc_type): Remove an unnecessary call to find_structure.
11191 * gengtype.h (new_structure): Return the structure.
11192 (create_option): Add an extra argument.
11193 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11194 (option): Adjust calls to create_option.
11196 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11198 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11200 2006-01-22 Paul Brook <paul@codesourcery.com>
11201 Peter Barada <peter@the-baradas.com>
11203 * config/m68k/m68k.md: Add Coldfire FPU support.
11204 Define FP mode macro and associated attributes.
11205 Use it for float mode patterns.
11206 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11207 (LIBCALL_VALUE): Use m68k_libcall_value.
11208 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11209 (m68k_function_value): Ditto.
11210 (emit_move_sequence): Ditto.
11211 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11212 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11213 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11214 (MULTILIB_EXCEPTIONS): Ditto.
11215 * config/m68k/m68k.opt: Add mcfv4e.
11216 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11217 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11218 (m68k_output_function_prologue): Save ColdFire FPU registers.
11219 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11220 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11221 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11222 ColdFire FPU registers.
11223 (m68k_libcall_value, m68k_function_value): New functions.
11224 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11225 (LIBCALL_VALUE): Use m68k_libcall_value.
11226 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11227 (MASK_COLDFIRE): Add MASK_CFV4E.
11228 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11229 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11230 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11231 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11232 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11233 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11234 * doc/invoke.tex: Document -mcfv4e on m68k.
11236 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11238 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11241 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11244 * c-opts.c (c_common_handle_option): Don't include
11245 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11246 * doc/invoke.texi (C++ Dialect Options): Document that
11247 -Wnon-virtual-dtor is no longer included in -Wall.
11249 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11251 * gcov.c (print_version), gcov-dump.c (print_version),
11252 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11255 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11257 * df-scan.c (problem_SCAN): Added NULL reset function.
11258 (df_scan_reset_blocks): Added code to call reset block function
11259 (df_bb_refs_delete) Fixed comment.
11260 (df_insn_refs_delete): Made tolerant of deleting non existent info
11261 for dataflow problems that need to be reset.
11262 * df-core.c (df_set_blocks): Ditto.
11263 * df.h (struct df_problem): Added reset_fun.
11264 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11265 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11266 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11267 functions to clear out all references to def-use or use-def chains.
11269 2006-01-21 Ben Elliston <bje@au.ibm.com>
11271 * varasm.c (assemble_real): Initialise data array.
11273 2006-01-20 Paul Brook <paul@codesourcery.com>
11275 Merge from csl-arm-branch.
11276 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11277 * config/arm/arm.md (movdi): Force operands[1] to a register
11278 if we have a non-register source.
11279 (*arm_movdi, *movdf_soft_insn): Require that one of the
11280 operands be a register.
11281 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11282 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11284 2006-01-20 DJ Delorie <dj@redhat.com>
11286 * varasm.c (initializer_constant_valid_p): Allow pointers
11287 initialized from integer constants of lesser precision.
11288 (output_constant): Allow non-int-sized pointer modes to be
11289 initialized from integer constants.
11291 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11294 * cppdefault.h (struct default_include): Add multilib flag.
11295 * cppdefault.c (cpp_include_defaults): Set it.
11296 * c.opt (-imultilib): New option.
11297 * c-opts.c (imultilib): New.
11298 (c_common_handle_option): Handle -imultilib.
11299 (c_common_post_options): Likewise.
11300 * c-incpath.c (add_standard_paths, register_include_chains):
11302 * c-incpath.h (register_include_chains): Add extra parameter.
11303 * gcc.c (do_spec_1): Generate -imultilib option.
11304 (The Specs Language): Update %I description.
11305 (process_command): Update copyright notice.
11306 * doc/cppopts.texi (-imultilib): Document.
11307 * doc/invoke.texi (-imultilib): Include in option summary.
11308 (%I): Update specs documentation.
11310 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11312 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11314 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11316 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11319 2006-01-20 Richard Guenther <rguenther@suse.de>
11320 Steven Bosscher <stevenb.gcc@gmail.com>
11322 PR rtl-optimization/24626
11323 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11324 EDGE_TRUE_VALUE if in RTL mode.
11327 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11328 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11330 2006-01-20 Dirk Mueller <dmueller@suse.com>
11333 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11334 instead of a special NOP marker.
11335 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11336 NOP marker handling.
11337 * c-common.h (empty_body_warning): Add forward declaration.
11338 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11339 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11341 2006-01-20 Paul Brook <paul@codesourcery.com>
11343 * Makefile.in (lang_checks): Keep going if mkdir fails.
11345 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11347 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11348 be able to clean out basic block when not necessary.
11349 (df_scan_free): Fixed to properly delete information if df is
11350 unused before calling df_finish.
11351 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11352 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11354 (df_bb_refs_delete): New function.
11355 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11356 * df-core.c (df_set_blocks): Added code to properly clean out
11357 unused blocks if they are not part of the blocks to consider.
11358 Added additional null check.
11359 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11360 be able to clean out basic block when not necessary
11361 * df.h (df_free_bb_function): Ditto.
11362 (df_bb_refs_delete): New function.
11363 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11364 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11365 basic block parameter to be able to clean out basic block when not
11367 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11368 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11369 Fixed to properly delete information if df is unused before
11372 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11374 PR rtl-optimization/25799
11375 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11376 Corrected confluence operator to remove bits from op2 before oring
11377 with op1 rather than removing bits from op1.
11378 (df_ru_transfer_function): Corrected test on wrong bitmap which
11379 caused infinite loop. Both of these problems were introduced in
11380 the dataflow rewrite.
11382 2006-01-19 DJ Delorie <dj@redhat.com>
11384 * reload1.c (find_reload_regs): Note the details of reload
11385 failures in the dump file.
11386 (spill_failure): Likewise.
11388 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11390 * loop-iv.c: Include df.h and hashtab.h.
11391 (enum iv_grd_result): New enum.
11392 (DF_REF_IV, DF_REF_IV_SET): New macros.
11393 (struct biv_entry): New.
11394 (df, bivs): New global variables.
11395 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11396 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11398 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11399 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11400 analyzed_for_bivness_p, record_biv): New functions.
11401 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11402 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11403 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11405 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11407 (iv_number_of_iterations): Use new interface to iv analysis.
11408 * loop-unroll.c: Do not include varray.h.
11409 (analyze_iv_to_split_insn): Use new interface to iv
11411 * loop-unswitch.c (may_unswitch_on): Ditto.
11412 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11414 (df_bb_modify): Realloc tables to the new index.
11415 (df_find_use): New function.
11416 * df.h (df_find_use): Declare.
11417 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11419 * cfgloop.h (struct rtx_iv): Remove analysed field.
11420 (iv_get_reaching_def): Removed.
11421 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11422 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11423 (loop-iv.o): Add df.h and hashtab.h dependency.
11424 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11426 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11429 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11431 (__floatundisf, __floatundidf): Likewise.
11432 * libgcc2.h (IS_IBM_EXTENDED): Define.
11434 2006-01-19 DJ Delorie <dj@redhat.com>
11436 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11438 2006-01-19 Paul Brook <paul@codesourcery.com>
11440 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11441 as nothrow when unwinding tables are disabled.
11443 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11446 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11447 of bit-field" when in system header.
11449 2006-01-19 DJ Delorie <dj@redhat.com>
11451 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11452 the 16 bit shift limit of the m16c.
11454 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11457 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11458 * config/i386/i386.c (output_set_got): Output the label if we have one
11459 for the TARGET_DEEP_BRANCH_PREDICTION case.
11461 2006-01-19 Jan Hubicka <jh@suse.cz>
11462 H.J. Lu <hongjiu.lu@intel.com>
11463 Evandro Menezes <evandro.menezes@amd.com>
11465 * invoke.texi (generic): Document
11467 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11468 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11469 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11470 (x86_use_incdec, x86_pad_returns): New variables
11471 (TARGET_CPU_DEFAULT_generic): New constant
11472 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11473 (enum processor_type): Add generic32 and generic64.
11474 * i386.md (cpu attribute): Add generic32/generic64
11475 (movhi splitter): Behave sanely when both partial_reg_dependency and
11476 partial_reg_stall are set.
11477 (K8 splitters): Enable for generic as well.
11478 * predicates.md (incdec_operand): Use TARGET_INCDEC
11479 (aligned_operand): Avoid memory mismatch stalls.
11480 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11481 * ppro.md: Enable for generic32
11482 * i386.c (generic64_cost, generic32_cost): New.
11483 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11484 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11485 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11486 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11487 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11488 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11489 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11490 x86_accumulate_outgoing_args, x86_prologue_using_move,
11491 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11492 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11493 Enable for generic.
11494 (x86_use_incdec, x86_pad_returns): New.
11495 (override_options): Add generic32 and generic64, translate "generic"
11496 to generic32/generic64 and "i686" to "generic32", refuse
11497 "generic32"/"generic64" as arch target.
11498 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11499 (ix86_reorg): Honor PAD_RETURNS.
11501 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11503 * tree-pretty-print.c (dump_generic_node): Handle
11504 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11505 * cgraph.c (cgraph_expand_queue): Rename from
11506 cgraph_analyze_queue. Update all users.
11507 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11508 cgraph_expand_queue.
11509 (cgraph_expand_all_functions): Likewise.
11510 (cgraph_finalize_pending_functions): Remove. Update callers.
11512 * tree.h (OMP_DIRECTIVE_P): Define.
11513 (OMP_PARALLEL_FN): Define.
11514 (OMP_PARALLEL_DATA_ARG): Define.
11515 (OMP_SECTIONS_SECTIONS): Define.
11516 * tree-pass.h (pass_expand_omp): Declare.
11517 * omp-low.c (struct omp_region): Declare.
11518 (struct omp_context): Remove fields 'parallel_type',
11519 'parallel_start_ix' and 'parallel_start_additional_args'.
11521 (struct omp_for_data): Rename from struct expand_omp_for_data.
11522 (omp_regions): New static variable.
11523 (root_omp_region): New static variable.
11524 (find_omp_clause): Make static.
11525 (is_in_combined_parallel_ctx): Remove.
11526 (is_combined_parallel): New.
11527 (extract_omp_for_data): Move earlier in the file.
11528 (workshare_safe_to_combine_p): New.
11529 (get_ws_args_for): New.
11530 (determine_parallel_type): Move earlier in the file.
11531 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11533 (omp_copy_decl): Likewise.
11534 (create_omp_child_function): Likewise.
11535 (lookup_omp_region): New.
11536 (dump_omp_region): New.
11537 (debug_omp_region): New.
11538 (debug_all_omp_regions): New.
11539 (new_omp_region): New.
11540 (scan_omp_parallel): If parallel_nesting_level > 1, the
11541 directive is nested within another parallel directive.
11542 Set OMP_PARALLEL_FN.
11543 (scan_omp_for): Do not try to handle combined parallel+for
11545 Remove FIXME comment.
11546 (scan_omp_nested): Remove.
11547 (scan_omp_1): Do not call scan_omp_nested when
11548 parallel_nesting_level is > 1.
11549 Do not change the DECL_CONTEXT of local variables found.
11550 (lookup_decl_in_outer_ctx): New.
11551 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11552 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11553 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11554 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11555 If CTX is nested, lookup VAR in the outer context when
11556 building copy assignment.
11557 (lower_send_clauses): Rename from expand_send_clauses.
11558 If CTX is nested, lookup VAR in the outer context when
11559 building copy assignments.
11560 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11561 If CTX is nested, lookup VAR in the outer context when
11562 building copy assignments.
11563 (expand_parallel_call): Rename from build_parallel_call.
11564 Handle combined parallel+workshare cases.
11565 Re-implement to emit code into the CFG.
11567 (expand_omp_parallel): Re-implement to emit code into the CFG.
11568 Call move_sese_region_to_fn to outline the sub-graph
11569 containing the parallel region.
11570 (expand_omp_for_1): Remove.
11571 (expand_omp_for_generic): Re-implement to emit code into the
11573 (expand_omp_for_static_nochunk): Likewise.
11574 (expand_omp_for_static_chunk): Likewise.
11575 (expand_omp_for): Likewise.
11576 (expand_omp_sections): Likewise.
11577 (remove_exit_barriers): New.
11578 (expand_omp_synch): New.
11580 (build_omp_regions_1): New.
11581 (build_omp_regions): New.
11582 (execute_expand_omp): New.
11583 (gate_expand_omp): New.
11584 (pass_expand_omp): Define.
11585 (lower_omp_sections): Rename from expand_omp_sections.
11586 Set OMP_SECTIONS_SECTIONS.
11587 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11588 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11589 (lower_omp_single): Rename from expand_omp_simple.
11590 (lower_omp_master): Rename from expand_omp_master.
11591 (lower_omp_ordered): Rename from expand_omp_ordered.
11592 (lower_omp_critical): Rename from expand_omp_critical.
11593 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11594 (lower_omp_for): Re-implement.
11595 (lower_omp_parallel): Re-implement.
11596 (lower_regimplify): Rename from expand_regimplify.
11597 (lower_omp_1): Rename from expand_omp_1.
11598 If there are syntax errors in the program, replace every
11599 OpenMP directive with NOP.
11600 Call lower_omp_* instead of expand_omp_*.
11601 (lower_omp): Rename from expand_omp.
11603 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11604 * tree-gimple.h (enum omp_parallel_type): Remove.
11605 (gimple_boolify): Declare extern.
11606 (find_omp_clause, determine_parallel_type): Remove.
11608 * gimple-low.c (lower_omp_directive): New.
11609 (lower_stmt): Call it.
11610 (record_vars_into): Move from ...
11611 (record_vars): ... here.
11612 Call record_vars_into with current_function_decl.
11614 * gimplify.c (struct gimplify_ctx): Remove fields
11615 combined_pre_p and combined_ctxp. Update users.
11616 (get_formal_tmp_var): Add documentation.
11617 (gimple_boolify): Make extern.
11618 (gimplify_expr_in_ctx): Remove. Update callers.
11619 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11620 will always be a BIND_EXPR.
11621 (gimplify_expr): Handle OMP_RETURN_EXPR.
11622 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11623 (OMP_PARALLEL): Add 3 operands.
11624 (OMP_SECTIONS): Add 1 operand.
11625 (OMP_RETURN_EXPR): Define.
11627 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11628 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11629 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11630 creating a circular free list.
11631 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11633 * tree-flow.h (move_sese_region_to_fn): Declare.
11634 (record_vars_into): Declare.
11635 * tree-cfg.c (make_omp_sections_edges): New.
11636 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11637 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11638 OMP_SECTIONS and OMP_SECTION.
11639 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11640 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11641 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11642 (gather_blocks_in_sese_region): New.
11643 (struct move_stmt_d): Declare.
11644 (move_stmt_r): New.
11645 (move_block_to_fn): New.
11646 (move_sese_region_to_fn): New.
11648 * passes.c (init_optimization_passes): Schedule
11649 pass_expand_omp after pass_init_datastructures.
11651 * tree-ssa-operands.c (get_expr_operands): Handle
11652 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11653 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11655 2006-01-19 Jeff Law <law@redhat.com>
11657 * tree-vrp.c (extract_range_from_assert): Refine the result range
11658 if the variable referenced by the ASSERT_EXPR has a range and
11659 either the tentative result range or the previous range is a
11662 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11664 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11666 2006-01-19 Jan Hubicka <jh@suse.cz>
11668 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11670 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11672 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11673 (expand_compound_operation, expand_field_assignment): Fail if the
11674 bit lengths of an extract operation are out of range.
11675 (make_extraction): Compute wanted_inner_mode based on the position
11676 and length of the extraction. Make it extraction_mode for non-constant
11677 positions, and do not modify offset in that case. When generating a
11678 new MEM, use a mode that can hold the extraction while keeping correct
11679 alignment. Remove code that supported MEMs wrapped by USEs.
11680 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11682 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11684 * config/s390/s390.md ("Y", "y"): New mode attribute.
11685 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11686 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11687 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11688 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11689 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11690 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11691 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11692 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11693 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11694 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11695 "addsi3", "subsi3"): Insn patterns removed.
11696 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11697 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11698 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11699 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11700 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11701 "*sub<mode>3_cconly2"): New insn patterns.
11702 ("addsi3", "subsi3"): New expanders.
11704 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11706 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11707 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11708 existing STMT_VINFO_VECTYPE if available.
11709 (vect_mark_relevant): Add special handling for stmts that are
11710 marked as STMT_VINFO_IN_PATTERN_P.
11711 (vect_analyze_loop): Call vect_pattern_recog.
11712 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11713 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11715 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11716 (vect_recog_func_ptr): New function-pointer type.
11717 * tree-vect-patterns.c: New file.
11718 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11719 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11720 (vect_pattern_recog_1): New functions.
11721 (vect_pattern_recog_funcs): New array of function pointers.
11723 * tree-vectorizer.h (ternary_op): New enum value.
11724 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11725 declaration. Revised documentation. Removed redundant dump prints.
11726 Removed redundant argument. Added support for reduction patterns.
11727 (vectorizable_reduction): Added support for reduction patterns.
11728 (vect_transform_stmt): Added support for patterns.
11730 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11731 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11732 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11733 (expand_widen_pattern_expr): New function.
11734 (init_optabs): Initialize new optabs udot_prod_optab,
11736 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11737 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11738 (expand_widen_pattern_expr): New function declaration.
11739 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11741 * tree-inline.c (estimate_num_insns_1): Added cases for new
11742 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11743 * tree-pretty-print.c (dump_generic_node): Likewise.
11744 (op_prio): Likewise.
11745 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11746 * tree-ssa-operands.c (get_expr_operands): Added case for
11748 * tree-vect-patterns.c (widened_name_p): New function.
11749 (vect_recog_dot_prod_pattern): Added function implementation.
11750 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11751 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11752 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11753 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11755 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11756 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11757 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11758 (init_optabs): Initialize new optabs widen_ssum_optab,
11760 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11761 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11762 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11763 use instead of type of def.
11764 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11765 function implementation.
11766 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11767 widen_ssumv8hi): New.
11769 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11772 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11775 * c-decl.c (add_flexible_array_elts_to_size): New function.
11776 (finish_decl): Use it.
11778 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11780 * diagnostic.h: Include options.h.
11781 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11782 dependancies for diagnostic.h.
11783 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11785 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11787 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11788 (ssa_ro_call_cache_valid): Ditto.
11789 * tree-ssa-alias.c (sort_tags_by_id): New function.
11790 (init_transitive_clobber_worklist): Ditto.
11791 (add_to_worklist): Ditto.
11792 (mark_aliases_call_clobbered): Ditto.
11793 (compute_tag_properties): Ditto.
11794 (set_initial_properties): Ditto.
11795 (compute_call_clobbered): Ditto.
11796 (compute_may_aliases): Call compute_call_clobbered and grouping.
11797 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11798 (compute_flow_insensitive_aliasing): Grouping now happens in our
11800 (setup_pointers_and_addressables): Remove clobbering related code.
11801 (add_may_alias): Ditto.
11802 (replace_may_alias): Ditto.
11803 (get_nmt_for): Ditto.
11804 (create_global_var):
11805 (is_escape_site): Return an escape_type enumeration.
11806 * tree-flow-inline.h (is_call_clobbered): Global var does not
11807 imply call clobbered.
11808 (mark_call_clobbered): Take a reason for marking this. Remove
11809 marking of globalness, and cache invalidation.
11810 (clear_call_clobbered): Remove cache invalidation code.
11811 * tree-dfa.c (dump_variable): If details is on, dump the reason
11813 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11815 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11816 (struct var_ann_d): Ditto.
11817 (enum escape_type): New.
11818 (mark_call_clobbered): Adjust prototype.
11819 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11820 are never call clobbered.
11821 Record reasons for escaping.
11822 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11823 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11824 (ssa_ro_call_cache_valid): Ditto.
11825 (clobbered_v_may_defs): Ditto.
11826 (clobbered_vuses): Ditto.
11827 (ro_call_vuses): Ditto.
11828 (clobber_stats): New.
11829 (init_ssa_operands): Zero out clobber stats.
11830 (fini_ssa_operands): Print out clobber stats.
11831 (get_call_expr_operands): Pass callee fndecl to
11832 add_call_read_ops).
11833 (add_call_clobber_ops): Remove use of cache.
11834 Add use of PURE_CONST information.
11835 (add_call_read_ops): Remove use of cache.
11836 Add use of static not_read information.
11838 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11840 Introduce TLS descriptors for i386 and x86_64.
11841 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11842 (TARGET_ANY_GNU_TLS): New macro.
11843 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11844 (struct machine_function): Add tls_descriptor_call_expanded_p.
11845 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11846 (ix86_current_function_calls_tls_descriptor): Likewise.
11847 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11848 (override_options): Introduce gnu2 tls dialect.
11849 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11851 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11853 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11854 (ix86_init_machine_status): Initialize new field.
11855 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11856 (ix86_tls_module_base): New.
11857 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11858 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11859 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11860 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11861 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11862 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11863 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11864 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11865 * config/i386/predicates.md (tls_modbase_operand): New.
11866 (tp_or_register_operand): New.
11868 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11870 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11871 (look_for_address_of): Ditto.
11872 (ipa_init): Walk the function decls.
11873 (static_execute): Don't set readonly on FUNCTION_DECL's.
11875 2006-01-18 Roger Sayle <roger@eyesopen.com>
11877 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11878 for shifts where the source and destination registers are different.
11880 2006-01-18 Paul Brook <paul@codesourcery.com>
11882 Merge from csl-arm-branch.
11883 2005-03-14 Julian Brown <julian@codesourcery.com>
11884 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11885 (aeabi_llsl): Likewise.
11886 (ashrdi3): Likewise.
11887 (aeabi_lasr): Likewise.
11888 (lshrdi3): Likewise.
11889 (aeabi_llsr): Likewise.
11890 2005-03-10 Julian Brown <julian@codesourcery.com>
11891 * config.gcc: Disable shared libgcc for SymbianOS.
11892 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11894 2006-01-18 DJ Delorie <dj@redhat.com>
11896 * c-pragma.c (handle_pragma_diagnostic): New.
11897 (init_pragma): Register it.
11898 * doc/extend.texi: Document it.
11900 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11901 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11902 (diagnostic_context): Add classify_diagnostic[].
11903 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11904 as errors if they're overridden to DK_WARNING.
11905 (diagnostic_initialize): Initialize classify_diagnostic[].
11906 (diagnostic_set_kind_override): New.
11907 (diagnostic_report_diagnostic): Check for kind changes.
11908 * opts.c (common_handle_option): Take lang_mask. Update callers.
11909 Handle OPT_Werror_.
11910 * common.opt (Werror=): New.
11911 * doc/invoke.texi: Document -Werror=*
11913 2006-01-18 Jeff Law <law@redhat.com>
11915 * tree-vrp.c (test_for_singularity): Correct test for new
11916 min limit. Use operand_equal_p rather than pointer equality
11917 for testing if new min/max values are equal.
11919 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11920 using range information until after propagation and folding.
11922 2006-01-18 Richard Henderson <rth@redhat.com>
11923 Aldy Hernandez <aldyh@redhat.com>
11924 Jakub Jelinek <jakub@redhat.com>
11925 Diego Novillo <dnovillo@redhat.com>
11927 * omp-low.c: New file.
11928 * c-omp.c: New file.
11930 2006-01-18 Richard Henderson <rth@redhat.com>
11931 Jakub Jelinek <jakub@redhat.com>
11932 Diego Novillo <dnovillo@redhat.com>
11934 * doc/invoke.texi: Document -fopenmp.
11935 * tree-dump.h (debug_function): Declare.
11936 * hooks.c (hook_bool_tree_bool_false): New function.
11937 (hook_tree_tree_null): Remove.
11938 (hook_tree_tree_tree_null): New.
11939 * hooks.h: Update to match.
11940 * tree-pretty-print.c (debug_tree_chain): New.
11941 (print_generic_expr): Handle TDF_CHAIN.
11942 (dump_generic_node): Handle BLOCK.
11943 Do not abort with incomplete SWITCH_EXPRs.
11944 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11945 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11946 print space after directive name.
11947 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11948 Handle OMP_MASTER and OMP_ORDERED.
11949 Handle printing of OMP_BODY just in one place, goto
11950 dump_omp_body in the rest of OMP_* nodes that have
11952 Don't handle clause nodes here. Update omp statements to
11953 use dump_omp_clauses.
11954 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11955 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11956 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11957 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11958 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11959 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11960 Adjust output for GOMP_PARALLEL.
11961 (dump_omp_clauses): New.
11962 (print_declaration): Dump DECL_VALUE_EXPR.
11963 (op_symbol_1): Split out of op_symbol.
11964 (dumping_stmts): Remove. Update all users.
11965 * cgraph.c (cgraph_analyze_queue): New.
11966 (cgraph_add_new_function): New.
11967 * cgraph.h (cgraph_analyze_queue): Declare.
11968 (cgraph_add_new_function): Declare.
11969 (cgraph_lower_function): Remove.
11970 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11971 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11972 and TYPE_P nodes in its default clause.
11973 (empty_body_p): New.
11974 (tree_range_check_failed): New.
11975 (build5_stat): New.
11976 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11977 OMP_CLAUSE_REDUCTION_MERGE,
11978 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11979 OMP_CLAUSE_PRIVATE_DEBUG,
11980 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11981 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11982 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11983 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11984 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11985 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11986 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11987 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11988 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11989 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11990 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11991 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11992 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11993 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11994 (TREE_RANGE_CHECK): New.
11995 (empty_body_p): Declare.
11996 (enum omp_clause_default_kind): New.
11997 (build_string_literal): Declare.
11998 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11999 (build5_stat, build5): Declare.
12000 * tree-pass.h (TDF_CHAIN): Define.
12001 * tree-pass.h (PROP_gimple_lomp): Define.
12002 (pass_lower_omp): Declare.
12003 * diagnostic.h (debug_tree_chain): Declare.
12004 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12006 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12007 * builtins.c (build_string_literal): Make extern.
12008 * gcc.c (include_spec_function): New.
12009 (static_spec_functions): Add it.
12010 (main): Move load of libgomp.spec ...
12011 (LINK_COMMAND_SPEC): ... here.
12012 (link_gomp_spec): New.
12013 (static_specs): Include it.
12014 (LINK_COMMAND_SPEC): Add link_gomp.
12015 (GOMP_SELF_SPECS): New.
12016 (driver_self_specs): Include it.
12017 (switch_matches): Don't mark inline.
12018 (main): Load libgomp.spec.
12019 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12020 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12021 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12022 * tree-gimple.h (enum omp_parallel): Declare.
12023 (determine_parallel_type): Declare.
12024 (omp_firstprivatize_variable): Declare.
12025 (omp_reduction_init): Declare.
12026 (diagnose_omp_structured_block_errors): Declare.
12027 (struct walk_stmt_info): Add want_return_expr.
12028 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12029 (find_omp_clause): Declare.
12030 (insert_field_into_struct): Declare.
12031 (struct walk_stmt_info): Move from tree-nested.c
12032 (walk_stmts): Declare.
12033 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12035 * cgraphunit.c (cgraph_lower_function): Make static.
12036 (cgraph_finalize_pending_functions): New.
12037 (cgraph_finalize_function): Call it.
12038 (cgraph_finalize_compilation_unit): Likewise.
12039 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12040 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12041 (BT_FN_UINT_UINT): New.
12042 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12043 DEF_FUNCTION_TYPE_VAR_4): Document.
12044 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12045 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12046 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12047 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12048 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12049 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12050 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12051 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12052 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12053 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12054 into separate files.
12055 (DEF_GOMP_BUILTIN): New.
12056 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12057 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12058 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12059 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12060 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12061 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12062 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12063 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12064 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12065 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12066 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12067 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12068 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12069 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12070 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12071 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12072 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12073 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12074 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12075 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12076 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12077 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12078 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12079 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12080 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12081 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12082 * sync-builtins.def: New file, moved from builtins.def.
12083 * omp-builtins.def: New file, moved from builtins.def.
12084 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12085 * gimple-low.c (lower_function_body): Clear data.
12086 (lower_stmt): Do not handle COMPOUND_EXPR.
12087 Remove call to print_node_brief.
12088 * c-tree.h (c_finish_omp_clauses): New prototype.
12089 (C_DECL_THREADPRIVATE_P): Define.
12090 (lookup_name_no_remap, c_omp_remap_private): Remove
12091 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12092 (check_for_loop_decls): Update decl.
12093 (lookup_name_no_remap, c_omp_remap_private): Declare.
12094 (build_indirect_ref, build_modify_expr, pushdecl,
12095 pushdecl_top_level): Move to c-common.h.
12096 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12097 before the switch, but just in the 2 places that need it.
12098 * c-decl.c (diagnose_mismatched_decls): Do not check for
12099 mismatched thread-local attributes when OLDDECL is marked
12100 threadprivate and NEWDECL has no thread-local attributes.
12101 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12102 (c_gimple_diagnostics_recursively): Rename from
12103 c_warn_unused_result_recursively. Invoke
12104 diagnose_omp_structured_block_errors.
12105 (check_for_loop_decls): Return a singular decl found.
12106 * langhooks.c (lhd_omp_predetermined_sharing): Return
12107 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12108 (lhd_omp_firstprivatize_type_sizes): New.
12109 (lhd_omp_assignment): New.
12110 (lhd_omp_predetermined_sharing): New.
12111 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12112 (struct lang_hooks_for_types): Add
12113 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12114 omp_predetermined_sharing, omp_disregard_value_expr,
12115 omp_private_debug_clause, omp_clause_default_ctor,
12116 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12117 (c_finish_omp_clauses): New.
12118 (c_finish_bc_stmt): Diagnose break within omp for.
12119 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12120 (build_unary_op): Return error_mark after reporting
12122 (build_modify_expr): Likewise.
12123 * gimplify.c: Include optabs.h and pointer-set.h.
12124 (enum gimplify_omp_var_data): Declare.
12125 (struct gimplify_omp_ctx): Declare.
12126 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12128 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12129 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12130 (splay_tree_compare_decl_uid): New.
12131 (new_omp_context): New.
12132 (delete_omp_context): New.
12133 (gimple_add_tmp_var): Call omp_add_variable.
12134 (gimplify_bind_expr): Likewise.
12135 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12136 true, disregard DECL_VALUE_EXPR on the decl if any.
12137 (gimplify_expr_in_ctx): New.
12138 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12139 omp_add_variable, omp_notice_variable, omp_is_private
12140 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12141 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12142 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12143 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12144 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12145 gimplify_omp_atomic): New.
12146 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12147 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12148 OMP_CRITICAL and OMP_ATOMIC.
12149 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12150 * c-pragma.h (enum pragma_kind): Add
12151 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12152 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12153 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12154 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12155 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12156 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12157 PRAGMA_OMP_THREADPRIVATE.
12158 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12159 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12160 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12161 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12162 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12163 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12164 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12165 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12166 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12167 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12168 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12169 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12170 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12172 (struct nesting_info): Add field_map,
12173 suppress_expansion, debug_var_chain.
12174 (create_nesting_tree): Initialize them.
12175 (lookup_field_for_decl): Use field_map.
12176 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12177 (convert_local_omp_clauses): New.
12178 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12179 (walk_body): Split out of walk_function.
12180 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12181 (convert_nonlocal_reference): Handle omp statements.
12182 (convert_local_reference): Likewise.
12183 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12184 (unnest_nesting_tree): New.
12185 (lower_nested_functions): Call it.
12186 (insert_field_into_struct): Make extern.
12187 (struct walk_stmt_info): Move to tree-gimple.h.
12188 (walk_stmts): Make extern.
12189 * omp-builtins.def: New file.
12190 * tree-iterator.c (expr_only): Clarify comment.
12191 * c-common.h (pushdecl_top_level, pushdecl,
12192 build_modify_expr, build_indirect_ref,
12193 c_finish_omp_master, c_finish_omp_critical,
12194 c_finish_omp_ordered, c_finish_omp_barrier,
12195 c_finish_omp_atomic, c_finish_omp_flush,
12196 c_finish_omp_for, c_split_parallel_clauses,
12197 omp_clause_default_kind, c_omp_sharing_predetermined,
12198 c_omp_remap_decl): Declare.
12199 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12200 (OBJS-common): Add omp-low.o.
12201 (c-omp.o, omp-low.o): Add.
12202 (gimplify.o): Add dependency on $(OPTABS_H).
12203 (GTFILES): Add omp-low.c.
12204 (gt-stringpool.h): Add.
12205 * tree-cfg.c (set_bb_for_stmt): Do not update the
12206 block-to-labels map if we are currently expanding to RTL.
12207 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12209 Handle IDENTIFIER_NODE.
12210 (tree_verify_flow_info): Do not ICE when emitting error
12211 messages about invalid labels.
12212 (dump_function_to_file): Reset CFUN before emitting the body
12214 (debug_function): New.
12215 * passes.c (init_optimization_passes): Schedule
12217 * langhooks-def.h (lhd_omp_predetermined_sharing,
12218 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12220 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12221 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12222 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12223 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12224 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12225 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12226 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12227 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12228 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12229 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12230 (LANG_HOOK_DECLS): Use them.
12232 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12233 Richard Henderson <rth@redhat.com>
12234 Jakub Jelinek <jakub@redhat.com>
12235 Diego Novillo <dnovillo@redhat.com>
12237 * c-parser.c (pragma_omp_clause): Define.
12238 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12239 (c_parser_compound_statement): Likewise.
12240 (c_parser_statement): Likewise.
12241 (c_parser_pragma): Handle omp pragmas.
12242 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12243 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12244 (c_parser_omp_clause_name, check_no_duplicate_clause,
12245 c_parser_omp_variable_list,
12246 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12247 c_parser_omp_clause_copyprivate,
12248 c_parser_omp_clause_default,
12249 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12250 c_parser_omp_clause_lastprivate,
12251 c_parser_omp_clause_nowait,
12252 c_parser_omp_clause_num_threads,
12253 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12254 c_parser_omp_clause_reduction,
12255 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12256 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12257 c_parser_omp_atomic, c_parser_omp_barrier,
12258 c_parser_omp_critical, c_parser_omp_flush,
12259 c_parser_omp_for_loop, c_parser_omp_for,
12260 c_parser_omp_master, c_parser_omp_ordered,
12261 c_parser_omp_sections_scope, c_parser_omp_sections,
12262 c_parser_omp_parallel, c_parser_omp_single,
12263 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12264 * c-pragma.c (init_pragma): Do omp pragma registration here.
12265 * c.opt (fopenmp): New flag.
12267 2006-01-18 Eric Christopher <echristo@apple.com>
12269 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12270 * config/darwin.h (GOMP_SELF_SPECS): Define.
12272 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12274 * rtl.h: Remove the prototype for reg_alloc.
12276 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12279 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12280 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12281 sjlj and dwarf2 exception handling.
12282 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12283 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12284 * pa/pa.c (function_value): Treat complex and vector types as
12286 (function_arg): Likewise. Only pass scalar floats in the floating
12287 point argument registers.
12288 * pa/t-slibgcc-dwarf-ver: New file.
12289 * pa/t-slibgcc-sjlj-ver: New file.
12290 * pa/t-slibgcc-elf-ver: Delete file.
12292 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12294 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12295 unlikely_test_section_p test.
12297 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12299 * mode-switching.c (optimize_mode_switching): Make it static.
12300 * basic-block.h: Remove the prototype for
12301 optimize_mode_switching.
12303 * modulo-sched.c (sms_schedule): Make it static.
12304 * rtl.h: Remove the prototype for sms_schedule.
12306 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12307 * rtl.h: Remove the prototype for gcse_after_reload_main.
12309 * reg-stack.c (reg_to_stack): Make it static.
12310 * rtl.h: Remove the prototype for reg_to_stack.
12312 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12314 * rtl.h: Remove the prototypes for regrename_optimize and
12315 copyprop_hardreg_forward.
12317 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12319 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12320 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12321 Test against the appropriate null constant for the mode.
12322 If 'fixup_overlap' is true, swap the operands if they overlap.
12323 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12324 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12325 alpha_split_tmode_pair and adjust for above change.
12326 * config/alpha/alpha.md (movtf_internal): Adjust call to
12327 alpha_split_tfmode_pair and rely on it to swap the operands.
12328 (movti_internal): New insn and post-reload splitter.
12329 (movti): New expander.
12331 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12333 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12336 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12338 * rtlanal.c (global_reg_mentioned_p_1,
12339 global_reg_mentioned_p): Remove.
12340 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12342 * flow.c (initialize_uninitialized_subregs): Make it static.
12343 * rtl.h: Remove the prototype for
12344 initialize_uninitialized_subregs.
12346 * function.c (instantiate_virtual_regs): Make it static.
12347 * function.h: Remove the prototype for
12348 instantiate_virtual_regs.
12350 * regmove.c (regmove_optimize, combine_stack_adjustments):
12352 * rtl.h: Remove the prototypes for regmove_optimize and
12353 combine_stack_adjustments.
12355 2006-01-17 Roger Sayle <roger@eyesopen.com>
12357 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12358 (size_cost): Encode costs in bytes so that a reg-reg addition is
12359 equivalent to COSTS_N_INSNS(1).
12360 (override_options): Use the size_cost.branch_cost as the default
12361 ix86_branch_cost when optimizing for size.
12363 2006-01-18 Ben Elliston <bje@au.ibm.com>
12365 * Makefile.in (D32PBIT_FUNCS): New.
12366 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12367 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12368 D64PBIT_FUNCS and D128PBIT_FUNCS.
12369 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12370 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12372 (decnumber_dep): Define.
12373 * doc/libgcc.texi (Decimal float library routines): New node.
12374 * config/dfp-bit.h, config/dfp-bit.c: New files.
12376 2006-01-18 Ben Elliston <bje@au.ibm.com>
12378 * expr.c (emit_move_change_mode): Always adjust addresses, not
12379 just during reload. Copy replacements only during reload.
12380 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12381 emit_move_via_integer.
12383 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12385 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12386 instead of $(srcdir) and ${srcdir}.
12388 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12391 PR middle-end/11135
12392 * arm.h (struct machine_function): Add pic_reg.
12393 * arm.c (arm_pic_register): Make unsigned.
12394 (arm_override_options): Only set arm_pic_register if
12395 TARGET_SINGLE_PIC_BASE.
12396 (use_return_insn): Only test for a pic register if it is fixed.
12397 (arm_compute_save_reg0_reg12_mask): Likewise.
12398 (thumb_compute_save_reg_mask): Likewise.
12399 (legitimate_pic_operand): Factor out some known invariants.
12400 (legitimize_pic_address): If we don't have a fixed pic register,
12401 then set up a pseudo in the function entry sequence. Handle the
12402 pic base being in a pseudo.
12403 (arm_load_pic_register): Handle the pic register being in a pseudo.
12404 (arm_expand_prologue): Only set up the pic register if it is fixed.
12405 (thumb_expand_prologue): Likewise.
12406 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12407 (pic_load_addr_based_insn): Likewise.
12408 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12411 2006-01-18 Ben Elliston <bje@au.ibm.com>
12413 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12414 decimal float modes for all floating point registers.
12416 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12417 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12419 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12422 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12423 even when the pointer is not NULL.
12425 2006-01-16 Ian Lance Taylor <ian@airs.com>
12427 * common.opt (ftoplevel-reorder): New option.
12428 * cgraph.c (cgraph_asm_nodes): New global variable.
12429 (cgraph_asm_last_node): New static variable.
12430 (cgraph_order): New global variable.
12431 (cgraph_create_node): Set new order field.
12432 (cgraph_varpool_node): Likewise.
12433 (decide_is_variable_needed): Return true if not
12434 flag_toplevel_reorder.
12435 (cgraph_add_asm_node): New function.
12436 * cgraph.h (struct cgraph_node): Add order field.
12437 (struct cgraph_varpool_node): Add order field.
12438 (struct cgraph_asm_node): Define.
12439 (cgraph_asm_nodes, cgraph_order): Declare.
12440 (cgraph_add_asm_node): Declare.
12441 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12443 (cgraph_varpool_assemble_pending_decls): Call it.
12444 (cgraph_output_pending_asms): New static function.
12445 (cgraph_finalize_compilation_unit): Call it.
12446 (struct cgraph_order_sort): Define.
12447 (cgraph_output_in_order): New static function.
12448 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12449 !flag_toplevel_reorder case.
12450 * c-parser.c: Include "cgraph.h".
12451 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12453 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12454 than -fno-unit-at-a-time.
12455 * doc/invoke.texi (Option Summary): Mention
12456 -fno-toplevel-reorder.
12457 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12458 -funit-at-a-time documentation.
12460 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12461 Kazu Hirata <kazu@codesourcery.com>
12463 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12465 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12467 * Makefile.in (FUNCTION_H): New. Use it instead of
12468 function.h throughout the file.
12469 * function.h: Include tree.h.
12471 2006-01-17 Ben Elliston <bje@au.ibm.com>
12473 * recog.c: Separate some functions with whitespace.
12475 2006-01-16 Richard Henderson <rth@redhat.com>
12477 Merge from gomp branch:
12478 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12479 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12480 and rename from struct inline_data. Rename callee* to dst*;
12481 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12482 transform_new_cfg, transform_return_to_modify, and
12483 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12485 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12486 (copy_decl_for_dup): Remove.
12487 * tree-inline.c (struct inline_data): Move to header.
12488 (insert_decl_map): Export.
12489 (remap_decl): Update for member name changes. Use copy_decl hook.
12490 Allow for replacement to be a non-decl. Remove dead code.
12491 (remap_type_1): Check for existing mapping.
12492 (remap_type): Export.
12493 (remap_decls): Update for member name changes.
12494 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12495 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12496 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12497 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12498 (tree_function_versioning, build_duplicate_type): Likewise.
12499 (copy_body_r): Likewise. Export.
12500 (copy_decl_for_dup): Split into ...
12501 (copy_decl_for_dup_finish, copy_decl_to_var,
12502 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12503 (replace_ref_tree, inlining_p): Remove.
12505 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12507 * ifcvt.c (if_convert): Make it static.
12508 * rtl.h: Remove the prototype for if_convert.
12510 * local-alloc.c (local_alloc): Make it static.
12511 * rtl.h: Remove the prototype for local_alloc.
12513 * loop.c (loop_optimize): Make it static.
12514 * cfgloop.h: Remove the prototype for loop_optimize.
12517 2006-01-16 DJ Delorie <dj@redhat.com>
12519 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12522 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12524 * pa.md: Disparage copies between general and floating-point registers
12525 in 32-bit move patterns.
12527 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12530 * Makefile.in (check-%): Depend on site.exp instead of
12531 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12534 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12536 * global.c (global_alloc): Make it static.
12537 * rtl.h: Remove the prototype for global_alloc.
12539 2006-01-16 Richard Guenther <rguenther@suse.de>
12541 * tree-ssa-alias.c (struct used_part): Add write_only field.
12542 (get_or_create_used_part_for): Initialize it to true.
12543 (create_overlap_variables_for): Don't create structure variables
12544 for structures that only are written to.
12545 (find_used_portions): Handle MODIFY_EXPR to track whether a
12546 structure is only written to.
12548 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12550 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12552 * basic-block.h: Remove the prototype for
12553 partition_hot_cold_basic_blocks.
12555 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12557 * cppspec.c (lang_specific_spec_functions): Remove.
12558 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12559 * gcc.h (lang_specific_spec_functions): Remove.
12560 * gccspec.c (lang_specific_spec_functions): Remove.
12562 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12564 * combine.c (record_value_for_reg): Invalidate registers
12566 (record_dead_and_set_regs_1): Likewise, by passing them to
12567 record_value_for_reg.
12568 (record_dead_and_set_regs): Invalidate stores made by a
12569 call. We do not combine across a call, but we still
12570 relied on equivalences.
12572 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12574 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12575 vrp_int_const_binop returning non-constant nodes.
12577 2006-01-16 Paul Brook <paul@codesourcery.com>
12579 * config/m68k/m68k.c (output_move_const_into_data_reg):
12580 Output correct mnemonic for mvz and mvs.
12582 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12584 * rtl-factoring.c: Add sequence abstraction algorithm.
12585 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12586 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12588 (block_has_preserve_label): New function.
12589 * common.opt: Register new pass.
12590 * Makefile.in: Ditto.
12592 * timevar.def: Ditto.
12593 * tree-pass.h: Ditto.
12594 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12595 * rtl.h (make_jump_insn_raw): Add forward decl.
12596 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12598 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12599 Roger Sayle <roger@eyesopen.com>
12601 * fold-const.c (fold_minmax): New static function.
12602 (fold_binary) <MIN_EXPR>: Call it.
12603 <MAX_EXPR>: Likewise.
12604 * stor-layout.c (place_field): Use DECL_SIZE consistently
12605 in the computation of the new record size.
12607 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12609 * cse.c (cse_condition_code_reg): Make it static.
12610 * rtl.h: Remove the prototype for cse_condition_code_reg.
12612 * combine.c (combine_instructions): Make it static.
12613 * rtl.h: Remove the prototype for combine_instructions.
12615 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12618 * tree.c (get_file_function_name_long): Concatenate the first global
12619 object name with a string derived from the input filename of the object
12622 2006-01-16 Ben Elliston <bje@au.ibm.com>
12624 * config/i386/winnt-stubs.c: Update FSF address.
12625 * config/xtensa/ieee754-df.S: Ditto.
12626 * config/xtensa/ieee754-sf.S: Ditto.
12628 2006-01-14 Ian Lance Taylor <ian@airs.com>
12630 * ifcvt.c (noce_init_if_info): New static function, broken out of
12631 noce_process_if_block.
12632 (noce_process_if_block): Call noce_init_if_info.
12633 (check_cond_move_block): New static function.
12634 (cond_move_process_if_block): New static function.
12635 (process_if_block): Call cond_move_process_if_block.
12637 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12639 * cselib.c (hash_table): Rename to cselib_hash_table.
12640 (cselib_clear_table, discard_useless_values,
12641 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12642 cselib_init, cselib_finish): Adjust uses of hash_table.
12644 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12646 PR tree-optimization/25485
12647 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12648 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12649 is known to be false and true, respectively.
12651 2006-01-14 Richard Guenther <rguenther@suse.de>
12653 PR tree-optimization/22548
12654 PR tree-optimization/22555
12655 PR tree-optimization/22501
12656 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12657 * params.def (salias-max-array-elements): New parameter.
12658 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12659 * doc/invoke.texi (salias-max-array-elements): Document.
12660 * tree-flow-inline.h (var_can_have_subvars): We also handle
12662 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12664 * tree-ssa-structalias.c (params.h): Include.
12665 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12666 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12667 (get_constraint_for): For ADDR_EXPR operating on something
12668 containing an ARRAY_REF, add all subvars to the solution.
12669 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12670 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12671 for creating MUST_DEFs.
12672 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12674 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12676 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12678 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12679 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12680 number_of_iterations_le): New functions.
12681 (number_of_iterations_special): Removed.
12682 (number_of_iterations_exit): Do not use number_of_iterations_special.
12683 * tree.c (unsigned_type_for): Always return integer type.
12685 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12686 Richard Guenther <rguenther@suse.de>
12688 PR rtl-optimization/24257
12689 * gcse.c (find_moveable_store): Only consider a store movable
12690 when the SET_SRC of the insn can be assigned to a register.
12692 2006-01-14 Ian Lance Taylor <ian@airs.com>
12694 * tree.c (tree_not_class_check_failed): New function.
12695 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12696 (tree_not_class_check_failed): Declare.
12698 2006-01-13 Ian Lance Taylor <ian@airs.com>
12700 * reload1.c (do_output_reload): Add assertion rejecting a
12703 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12705 * combine.c (struct reg_stat): Add new fields truncation_label and
12707 (record_value_for_reg): Reset truncated_to_mode.
12708 (record_truncated_value): New function.
12709 (check_promoted_subreg): Call it. Rename to check_conversions.
12710 (combine_instructions): Rename check_promoted_subreg to
12712 (reg_truncated_to_mode): New function.
12713 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12714 (gen_lowpart_or_truncate): New function.
12715 (force_to_mode): Use it instead of gen_lowpart.
12717 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12719 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12720 VAR is a tag, not its type tag.
12722 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12724 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12725 alternatives to match style of other entries.
12726 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12728 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12730 PR tree-optimization/25771
12731 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12734 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12737 * tree-inline.c (declare_return_variable): If the return variable
12738 was marked as a non gimple complex, set the return slot variable
12739 to be a non gimple comple variable.
12741 2006-01-13 Richard Guenther <rguenther@suse.de>
12743 * builtins.c (expand_builtin_sincos): New function.
12744 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12746 (expand_builtin): Expand sincos using expand_builtin_sincos.
12748 2006-01-12 DJ Delorie <dj@redhat.com>
12750 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12751 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12752 so that constant shifts can be split.
12753 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12754 (m32c_valid_pointer_mode): Make static.
12755 (shift_gen_func_for): New.
12756 (m32c_prepare_shift): Use it. Split large const shifts into
12758 * config/m32c/predicates.md (shiftcount_operand): Allow more
12760 (longshiftcount_operand): New.
12761 * doc/md.texi (Machine Constraints): Document In6.
12763 2006-01-13 Ben Elliston <bje@au.ibm.com>
12765 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12766 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12769 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12771 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12772 to try to avoid clobbering pieces of structures when we know
12773 something about the whole structure.
12774 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12776 2006-01-13 Ben Elliston <bje@au.ibm.com>
12778 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12779 return in memory, as this is no limitation is no longer present.
12781 2006-01-12 DJ Delorie <dj@redhat.com>
12783 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12784 mova with fb, and for fb+0 -> An.
12786 * config/m32c/mov.md (peephole2): Fix enabling logic.
12788 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12789 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12790 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12791 FINI_ARRAY_SECTION_ASM_OP): Define.
12793 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12795 (m32c_legitimize_reload_address): New logic to reload FB to An.
12796 (m32c_output_reg_push): Add newline.
12797 (m32c_output_reg_pop): Likewise.
12799 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12801 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12803 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12805 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12807 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12809 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12812 2006-01-11 Ben Elliston <bje@au.ibm.com>
12814 * rtlanal.c (find_reg_note): Assert insn is not null.
12816 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12818 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12821 2006-01-11 Jeff Law <law@redhat.com>
12823 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12825 (mark_threaded_blocks, register_jump_thread): New functions.
12826 (thread_through_all_blocks): Remove unwanted argument. No
12827 longer rely on e->aux to communicate thread target info.
12828 Call mark_threaded_blocks. Release the threaded_blocks
12829 bitmap and threaded_edges vector when complete.
12830 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12831 (threaded_blocks): Remove.
12832 (tree_ssa_dominator_optimize): Remove initialization and
12833 finalization of threaded_blocks. Simplify call to
12834 thread_through_all_blocks.
12835 (thread_across_edge): Call register_jump_thread rather than
12836 storing thread information into e->aux.
12837 (free_all_edge_infos): Simplify now that e->aux is no longer
12838 used to communicate with thread_through_all_blocks.
12839 * tree-flow.h (thread_through_all_blocks): Update prototype.
12840 (register_jump_thread): Prototype.
12842 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12844 * df-core.c (df_compact_blocks, df_bb_replace): Use
12845 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12847 2006-01-11 Richard Guenther <rguenther@suse.de>
12849 PR tree-optimization/25734
12850 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12851 stop propagation after successful propagation to the LHS.
12853 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12855 * basic-block.h (control_flow_graph): Change the type of
12856 x_basic_block_info to VEC(basic_block,gc) *.
12857 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12859 (SET_BASIC_BLOCK): New.
12860 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12861 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12862 * cfgbuild.c (find_basic_blocks): Likewise.
12863 * cfglayout.c (fixup_reorder_chain): Likewise.
12864 * cfgrtl.c (create_basic_block_structure,
12865 rtl_create_basic_block): Likewise.
12866 * ifcvt.c (find_if_case_1): Likewise.
12867 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12870 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12872 * Makefile.in: Removed rotted odf.c entry.
12874 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12877 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12878 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12879 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12880 output pattern modifier, not %e.
12881 * config/cris/cris.c (cris_op_str): Update comment about pattern
12883 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12884 before falling through into...
12885 <case 'E'>: Redefined from old 'e' case.
12887 2006-01-11 Jan Hubicka <jh@suse.cz>
12890 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12892 2006-01-11 Jan Hubicka <jh@suse.cz>
12894 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12895 * i386.c (x86_decompose_lea): Kill.
12896 (ix86_rtx_costs): Kill.
12898 2006-01-11 Jan Hubicka <jh@suse.cz>
12900 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12901 * cgraph.h (cgraph_node): Add inline_decl.
12902 (cgraph_insert_node_to_hashtable): Declare.
12903 (save_inline_function_body): Declare.
12904 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12906 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12907 (cgraph_function_versioning): Update call of tree_function_versioning.
12908 (save_inline_function_body): New function.
12909 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12910 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12911 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12912 (cgraph_default_inline_p): Likewise.
12913 (cgraph_decide_inlining_incrementally): Likewise.
12914 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12915 (copy_bb): Kill saving; do updating of clones.
12916 (copy_cfg_body): Kill saving.
12917 (initialize_inlined-parameters): Likewise.
12918 (expand_call_inline): Likewise.
12920 (tree_function_versioning): New parameter "update_clones".
12921 (inlining_p): Kill saving.
12922 * tree-inline.h (tree_function_versioning): Update prototype.
12923 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12926 2006-01-11 Ian Lance Taylor <ian@airs.com>
12928 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12929 Allow undoing set of machine mode.
12930 (do_SUBST): Use enums instead of is_int.
12931 (do_SUBST_MODE): New function.
12932 (SUBST_MODE): New macro.
12933 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12934 reg and trying to replace reg_regno_rtx with a new register.
12935 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12936 (simplify_set): Use SUBST_MODE.
12937 (distribute_notes): Remove code that tried to update reg notes
12938 for regno_reg_rtx changes.
12940 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12942 PR tree-optimization/23109
12943 PR tree-optimization/23948
12944 PR tree-optimization/24123
12946 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12947 * tree-cfg.c (single_noncomplex_succ): New.
12948 * tree-flow.h (single_noncomplex_succ): Declare it.
12949 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12950 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12951 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12952 insert_bb, register_division_in, insert_reciprocals,
12953 replace_reciprocal, free_bb): New.
12954 (execute_cse_reciprocals_1): Rewritten.
12955 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12956 Do not commit any edge insertion. Always compute dominators and
12957 create the allocation pool.
12958 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12959 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12960 * targhooks.c (default_min_divistions_for_recip_mul): New.
12961 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12962 * passes.c (init_optimization_passes): Run recip after tree loop
12964 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12966 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12967 Kenneth Zadeck <zadeck@naturalbridge.com>
12969 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12970 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12971 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12972 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12973 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12974 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12975 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12976 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12977 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12978 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12979 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12980 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12981 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12982 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12983 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12984 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12985 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12986 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12987 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12988 DF_SCAN_POST_ALLOC): New macros.
12989 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12990 df_free_bb_function, df_local_compute_function, df_init_function,
12991 df_dataflow_function, df_confluence_function_0,
12992 df_confluence_function_n, df_transfer_function,
12993 df_finalizer_function, df_free_function, df_dump_problem_function,
12994 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12995 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12996 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12997 df_urec_bb_info, ) New types.
12998 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13000 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13001 df_analyze_simple_change_some_blocks,
13002 df_analyze_simple_change_one_block, df_compact_blocks,
13003 df_bb_replace, df_bb_regno_last_use_find,
13004 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13005 df_insn_regno_def_p, df_find_def, df_find_use,
13006 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13007 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13008 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13009 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13010 debug_df_chain, df_get_dependent_problem, df_chain_create,
13011 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13012 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13013 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13014 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13015 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13016 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13017 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13018 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13019 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13020 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13021 df_reorganize_refs, df_set_state, df_hard_reg_init,
13022 df_read_modify_subreg_p) New public functions.
13023 * df-core.c: The core dataflow solver and glue routines for rtl
13025 (df_init, df_add_problem, df_set_blocks, df_finish,
13026 df_hybrid_search_forward, df_hybrid_search_backward,
13027 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13028 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13029 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13030 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13031 df_reg_defined, df_find_use, df_reg_used, df_dump,
13032 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13033 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13034 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13035 debug_df_useno, reset_df_after_reload): New functions.
13036 * df-scan.c: The scanning fuctions, once in df.c, completely
13037 rewritten so that they now fully model the functionality of
13038 register usage at the backend.
13039 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13040 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13041 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13042 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13043 df_get_artificial_defs, df_get_artificial_uses,
13044 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13045 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13046 df_refs_delete, df_reorganize_refs, df_set_state,
13047 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13048 df_def_record_1, df_defs_record, df_uses_record,
13049 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13050 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13051 df_record_exit_block_uses, df_hard_reg_init): New functions.
13053 * df-problems.c: Seven concrete dataflow problems that use the
13054 scanning in df-scan.c and are solved by the engine in df-core.c.
13055 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13056 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13057 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13058 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13059 df_ru_free_bb_info, df_ru_alloc,
13060 df_ru_bb_local_compute_process_def,
13061 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13062 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13063 df_ru_transfer_function, df_ru_free, df_ru_dump,
13064 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13065 df_rd_free_bb_info, df_rd_alloc,
13066 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13067 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13068 df_rd_transfer_function, df_rd_free, df_rd_dump,
13069 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13070 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13071 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13072 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13073 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13074 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13075 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13076 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13077 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13078 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13079 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13080 df_urec_mark_reg_use_for_earlyclobber,
13081 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13082 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13083 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13084 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13085 df_chain_create_bb_process_use, df_chain_create_bb,
13086 df_chain_finalize, df_chain_free, df_chains_dump,
13087 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13088 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13089 df_reg_lifetime): New functions.
13090 * df.c: Deleted file.
13091 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13092 consistent with new df api.
13093 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13094 rest_of_handle_sms): Ditto.
13095 * web.c (unionfind_union, union_defs, entry_register, web_main):
13097 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13098 invariant_expr_equal_p, find_defs, check_dependencies,
13099 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13100 free_inv_motion_data, move_loop_invariants): Ditto.
13101 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13102 Update dependencies.
13103 (odf.c): Added defective entry that was deleted later in day.
13104 * sched-deps.c (sched_analyze_1): Ditto.
13106 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13108 * tree-ssa-operands.c (get_expr_operands): Record addressable
13109 variables directly. Do not call add_stmt_operands for CONST_DECLs
13111 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13112 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13114 2006-01-11 Ben Elliston <bje@au.ibm.com>
13116 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13117 function returns true in the positive case.
13119 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13122 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13123 for SI, DI, SF and DF modes. Add alternatives to copy between
13124 general and floating point registers to the 32-bit patterns.
13125 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13126 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13127 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13128 generating 64-bit code.
13129 * config/pa/pa.c (output_move_double): Handle copies between general
13130 and floating registers.
13132 2006-01-10 Stuart Hastings <stuart@apple.com>
13134 * config/i386/i386.md (set_got): Update.
13135 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13136 (builtin_setjmp_receiver): Mach-O support.
13137 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13138 (GOT_SYMBOL_NAME): Define.
13139 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13140 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13141 * config/i386/i386.c (override_options): Revise for Darwin.
13142 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13143 support. (darwin_x86_file_end): New. (output_set_got): Add label
13144 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13145 * config/i386/i386-protos.h (output_set_got): Likewise.
13146 * config/darwin.c (machopic_legitimize_pic_address): Update
13149 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13151 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13152 when MODE isn't BLKmode.
13154 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13156 PR rtl-optimization/25367
13157 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13159 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13162 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13163 for a negative bound.
13165 2006-01-10 Richard Guenther <rguenther@suse.de>
13167 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13168 Never override with anything constraint.
13170 2006-01-10 Jan Beulich <jbeulich@novell.com>
13172 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13173 256 bits when optimize_size.
13175 2006-01-10 Jan Beulich <jbeulich@novell.com>
13177 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13179 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13180 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13183 2006-01-10 Ben Elliston <bje@au.ibm.com>
13185 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13187 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13188 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13189 (USE_FP_FOR_ARG): Reject decimal float modes.
13190 (function_arg_advance): Likewise.
13191 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13192 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13193 point types in AltiVec vectors.
13194 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13195 (rs6000_libcall_value): Likewise.
13197 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13199 * config/xtensa/ieee754-df.S: New file.
13200 * config/xtensa/ieee754-sf.S: New file.
13201 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13202 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13203 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13205 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13207 * config/sh/predicates.md (binary_float_operator,
13208 binary_logical_operator, commutative_float_operator,
13209 equality_comparison_operator, greater_comparison_operator,
13210 less_comparison_operator, logical_operator,
13211 noncommutative_float_operator, shift_operator,
13212 symbol_ref_operand, unary_float_operator): Remove redundant
13215 2006-01-09 Jeff Law <law@redhat.com>
13217 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13218 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13219 now unused arguments. Callers updated.
13220 (eliminate_redundant_computations): Remove now unused arguments,
13222 (local_fold): Remove, no longer used.
13223 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13225 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13226 (simplify_cond): New function.
13227 (forward_propagate_into_cond): Call simplify_cond.
13229 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13231 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13232 (*vec_extractv2di_1_sse): New.
13234 2006-01-09 Ben Elliston <bje@au.ibm.com>
13236 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13238 2006-01-08 Richard Guenther <rguenther@suse.de>
13240 * tree-ssa-structalias.c (get_constraint_for): Remove
13241 anyoffset argument.
13242 (get_constraint_for_component_ref): Likewise.
13243 (do_deref): Likewise.
13244 (get_constraint_for): Likewise.
13245 (do_structure_copy): Likewise.
13246 (handle_ptr_arith): Likewise.
13247 (find_func_aliases): Likewise. Remove unused need_anyoffset
13250 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13251 Kaz Kojima <kkojima@gcc.gnu.org>
13253 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13254 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13255 (EXTRA_CONSTRAINT_C16): Remove.
13256 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13257 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13258 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13259 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13260 constants of SHmedia. Handle nested constant expressions of
13262 (andcosts): Fix the costs for SHmedia constants.
13263 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13264 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13265 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13266 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13267 (movv4hi_i, movv2si_i): Likewise.
13268 (movsi_const): Adjust the second operand of ior so to match with
13269 the Csu constraint.
13270 (movdi_const, movdi_const_32bit): Likewise.
13271 (movdi_const_16bit+1): Don't sign-extend LOW.
13272 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13274 (*double_shori): Fix the split condition. Use GEN_INT instead
13275 of get_int_mode calls. Mask lower 16-bit of the argument of
13277 (sym2GOTPLT): Remove.
13278 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13280 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13281 instead of EXTRA_CONSTRAINT_C16.
13283 2006-01-07 Ian Lance Taylor <ian@airs.com>
13284 David Edelsohn <edelsohn@gnu.org>
13286 PR rtl-optimization/25662
13287 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13288 for constant operands instead of simplify_gen_binary.
13289 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13290 after trying simplify_binary_operation
13292 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13294 * tree.c (iterative_hash_expr): Hash decls based on UID.
13296 2006-01-06 Eric Christopher <echristo@apple.com>
13298 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13299 (TARGET_UNWIND_EMIT): Fix spelling.
13300 * target.h (gcc_target): Add except_table_label.
13301 * except.c (output_function_exception_table): Use.
13302 * varasm.c (default_emit_except_table_label): New.
13303 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13305 (asm_out): Add here.
13306 * output.h (default_emit_except_table_label): Prototype.
13307 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13308 * config/darwin.c (darwin_emit_except_table_label): Define.
13309 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13311 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13313 PR tree-optimization/18527
13314 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13315 number_of_iterations_special, number_of_iterations_exit):
13316 Move base and step of an iv to a single structure. Add
13317 no_overflow flag, and use it in # of iterations analysis.
13318 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13319 folded_casts argument.
13320 (simple_iv): Pass base and step in a structure. Set no_overflow
13322 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13323 Evaluate expensiveness of computing # of iterations instead of
13324 the final expression.
13325 * tree-scalar-evolution.h (affine_iv): New structure.
13326 (simple_iv): Declaration changed.
13327 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13328 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13329 find_givs_in_stmt): Changed due to simple_iv change.
13331 2006-01-06 Jeff Law <law@redhat.com>
13334 * tree-cfg.c (bsi_replace): Rename final argument from
13335 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13336 change (stmt -> orig_stmt).
13337 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13338 (bsi_remove): Add new argument. Remove EH information
13340 (verify_eh_throw_table_statements): New function.
13341 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13343 * tree-optimize.c (execute_free_cfg_annotations): Verify
13344 the EH throw statement table after removing annotations.
13345 * except.h (verify_eh_throw_table_statements): Prototype.
13346 * tree-flow.h (bsi_remove): Update prototype.
13347 * tree-vrp.c (remove_range_assertions): Add new argument to
13349 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13350 * tree-complex.c (expand_complex_div_wide): Likewise.
13351 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13352 * tree-tailcall.c (eliminate_tailcall): Likewise.
13353 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13354 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13355 * tree-nrv.c (tree_nrv): Likewise.
13356 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13357 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13358 (combine_blocks): Likewise.
13359 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13360 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13361 (cleanup_control_flow): Likewise.
13362 (remove_forwarder_block): Likewise.
13363 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13364 * tree-sra.c (sra_replace): Likewise.
13365 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13366 (forward_propagate_single_use_vars): Likewise.
13367 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13368 * tree-inline.c (expand_call_inline): Likewise.
13369 * tree-vect-transform.c (vect_transform_loop): Likewise.
13370 * tree-outof-ssa.c (rewrite_trees): Likewise.
13371 * tree-cfg.c (make_goto_expr_edges): Likewise.
13372 (cleanup_dead_labels): Likewise.
13373 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13374 (bsi_move_before, bsi_move_after): Likewise.
13375 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13376 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13378 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13381 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13383 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13384 on non gimple variables. Also add checks at the top for decls and
13386 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13388 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13389 and IMAGPART_EXPR for creating MUST_DEFs.
13390 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13391 and NAME_MEMORY_TAG separately from the DECLs.
13393 2006-01-06 Richard Guenther <rguenther@suse.de>
13395 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13396 annotation, if necessary.
13397 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13398 redundant calls to update_stmt.
13399 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13402 2006-01-05 Richard Henderson <rth@redhat.com>
13404 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13406 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13408 * c-typeck.c: Update copyright date.
13410 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13412 * c-typeck.c (build_c_cast): Always warn when casting
13413 from a pointer to an integer of different size, even if
13414 the node was constant.
13416 2006-01-05 Richard Guenther <rguenther@suse.de>
13418 PR tree-optimization/22555
13419 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13420 if one structure field is an array.
13421 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13422 operands even if we found a subvar, but ignore VOPs in this
13424 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13426 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13428 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13430 PR middle-end/24998
13431 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13433 2006-01-05 Richard Guenther <rguenther@suse.de>
13434 Diego Novillo <dnovillo@redhat.com>
13436 * tree-pass.h (TODO_remove_unused_locals): Define.
13437 * gimple-low.c (expand_var_p, remove_useless_vars,
13438 pass_remove_useless_vars): Remove. Update all users.
13439 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13440 (remove_unused_locals): New function.
13441 * tree-flow.h (remove_unused_locals): Declare.
13442 * passes.c (execute_todo): Call remove_unused_locals if
13443 TODO_remove_unused_locals is set.
13444 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13445 * tree-ssa-dce.c (pass_dce): Likewise.
13446 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13448 2006-01-05 Richard Guenther <rguenther@suse.de>
13450 * tree-flow.h (struct fieldoff): Decompose field to
13451 type, size and decl.
13452 * tree-ssa-alias.c (create_sft): Take type as parameter.
13453 (create_overlap_variables_for): Store type, size and decl
13454 in the fieldoff structure.
13455 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13456 of struct fieldoff.
13457 (push_fields_onto_fieldstack): Likewise.
13458 (create_variable_info_for): Likewise. Use offset for the
13459 SFT name if the decl is not available.
13461 2006-01-04 Paul Brook <paul@codesourcery.com>
13463 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13465 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13467 * lambda-code.c (can_put_in_inner_loop): Relax
13469 (can_put_after_inner_loop): New function.
13470 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13471 (perfect_nestify): Change to make copies and modify uses.
13473 2006-01-04 Richard Henderson <rth@redhat.com>
13475 Merge from gomp branch:
13476 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13477 via integer constant.
13478 (pragma_lex): Remove.
13479 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13480 rather than parsing it.
13481 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13482 handle_pragma_extern_prefix): Add %< %> quotes.
13483 (registered_pragmas): New.
13484 (c_register_pragma_1): New.
13485 (c_register_pragma): Use it.
13486 (c_register_pragma_with_expansion): Likewise.
13487 (c_invoke_pragma_handler): New.
13488 (init_pragma): Use cpp_register_deferred_pragma directly for
13490 * c-pragma.h (enum pragma_kind): New.
13491 (pragma_handler): New.
13492 (c_invoke_pragma_handler): Declare.
13493 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13495 * c-common.h (c_common_pch_pragma): Update decl.
13496 * Makefile.in (c-parser.o): Update dependencies.
13497 (GTFILES): Add c-pragma.h.
13498 * c-parser.c (struct c_token): Add pragma_kind.
13499 (struct c_parser): Add in_pragma.
13500 (c_lex_one_token): Always initialize keyword and pragma_kind.
13501 Extract data for CPP_PRAGMA.
13502 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13503 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13504 Don't allow CPP_PRAGMA_EOL if in_pragma.
13505 (c_parser_consume_pragma): New.
13506 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13507 (c_parser_skip_to_end_of_parameter): Likewise.
13508 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13509 (c_parser_skip_to_pragma_eol): New.
13510 (c_parser_external_declaration): Handle CPP_PRAGMA.
13511 (c_parser_compound_statement_nostart): Likewise.
13512 (c_parser_statement_after_labels): Likewise.
13513 (c_parser_pragma): New.
13514 (pragma_lex): Likewise.
13515 (c_parser_pragma_pch_preprocess): New.
13516 (c_parser_new): Merge into ...
13517 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13519 2006-01-04 Jeff Law <law@redhat.com>
13522 * tree-cfg.c (bsi_replace): Remove the original statement
13523 from the EH throw statement table.
13525 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13527 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13528 make the prototype extern "C" and add throw ().
13531 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13532 and pos non-negative and pos + len <= 32.
13533 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13534 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13535 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13538 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13539 as well as sizes not multiple of component size.
13542 * function.c (instantiate_expr): New function.
13543 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13544 walk its DECL_VALUE_EXPR with instantiate_expr.
13546 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13547 DW_OP_deref{,_size} if address isn't going to be added.
13549 2006-01-04 Ben Elliston <bje@au.ibm.com>
13551 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13552 * config/fp-bit.c: Likewise.
13554 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13556 * dominance.c: Add comment about why we use DFS numbering
13559 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13560 Richard Henderson <rth@redhat.com>
13562 Merge from gomp-branch:
13563 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13564 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13566 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13568 PR rtl-optimization/25578
13569 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13570 pass a parameter to simplify_shift_const if changing ASHIFTRT
13573 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13575 * builtins.c (get_builtin_sync_mem): New function.
13576 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13577 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13578 Call get_builtin_sync_mem to generate mem rtx.
13580 2006-01-03 Richard Guenther <rguenther@suse.de>
13583 * stmt.c (add_case_node): Make sure to clear overflow flags
13586 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13588 Merge from gomp-branch.
13589 * config/sparc/sync.md: New file.
13590 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13591 UNSPECV_LDSTUB): New constants.
13592 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13593 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13594 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13597 2006-01-03 Roger Sayle <roger@eyesopen.com>
13599 * combine.c (reg_subword_p): New predicate to test whether the
13600 destination of a set refers to a subword/piece of a register.
13601 (try_combine): Generalize the code to merge the setting of a
13602 pseudo to a constant followed by a set of a subword of that
13603 register to a constant.
13605 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13607 * basic-block.h (control_flow_graph): Change the type of
13608 x_label_to_block_map to VEC(basic_block,gc) *.
13609 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13610 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13612 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13613 VEC(basic_block,heap) *.
13614 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13615 ssa_prop_fini): Adjust the uses of cfg_blocks.
13617 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13619 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13621 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13622 hashing trees instead of a pointer hash.
13623 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13624 compare for MEM_EXPR.
13626 PR rtl-optimization/25130
13627 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13628 when comparing MEMs for GCSE
13630 2006-01-03 Ben Elliston <bje@au.ibm.com>
13632 * targhooks.h (default_decimal_float_supported_p): Declare.
13633 * targhooks.c (default_decimal_float_supported_p): Define.
13634 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13635 `default_decimal_float_supported_p'.
13636 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13638 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13640 * combine.c (apply_distributive_law <SUBREG>): Check
13641 TRULY_NOOP_TRUNCATION.
13643 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13645 * dwarf2out.c (have_switched_text_section): Delete.
13646 (have_multiple_function_sections): New.
13647 (have_location_lists): Make 'bool'.
13648 (add_AT_loc_list): Use 'true' not '1'.
13649 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13650 (output_loc_list): Use have_multiple_function_sections.
13651 (output_ranges): Likewise.
13652 (dwarf2out_begin_function): Set have_multiple_function_sections if
13654 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13655 Check function_section rather than DECL_SECTION_NAME.
13656 (dwarf2out_finish): Use have_multiple_function_sections.
13657 Don't clear have_location_lists.
13659 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13660 Jan Hubicka <jh@suse.cz>
13662 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13663 case of conditional jump jumping to the next instruction.
13664 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13665 cases of conditional jump jumping to the next instruction.
13667 2006-01-02 Jan Hubicka <jh@suse.cz>
13669 * i386.c (*_cost): Add COSTS_N_INSNS.
13670 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13672 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13675 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13677 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13679 * config/arm/arm.c (all_fpus): Fix comment typo.
13680 * config/darwin.c: Likewise.
13681 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13682 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13683 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13685 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13687 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13688 (rs6000_split_compare_and_swapqhi): New.
13689 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13690 (sync_compare_and_swapqhi_internal): New.
13691 * config/rs6000/rs6000-protos.h: Declare.