1 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4 (rs6000_generate_compare): Tweak comments.
5 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
10 (var_debug_decl): New function.
11 (var_reg_set): Follow debug decl link. Add location even if
12 reg is already known to hold some other variable.
13 (var_mem_set): Follow debug decl link.
14 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
15 decl link. Delete other known locations of the variable part
17 (var_reg_delete, var_mem_delete): Delete other known locations
18 of the variable part if requested.
19 (same_variable_part_p): New function.
20 (add_stores): Select MO_COPY when appropriate.
21 (vt_initialize): Handle it.
22 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
23 known locations for MO_SET and MO_CLOBBER.
24 (find_variable_location_part): New function.
25 (set_variable_part, delete_variable_part): Use it.
26 (clobber_variable_part): New function.
27 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
30 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
32 PR tree-optimization/26969
33 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
34 with an empty list of PHIs.
36 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
40 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
43 2006-08-06 Andreas Schwab <schwab@suse.de>
45 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
46 string. Whitespace and comment fixup.
48 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
51 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
55 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
58 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
60 2006-08-04 Jan Hubicka <jh@suse.cz>
64 * reload.c (push_reload): Patch out the mismatching instruction;
66 (find_reload): Bail out if the instruction was patched out.
68 2006-08-04 Jan Hubicka <jh@suse.cz>
70 PR tree-optimization/24888
71 * tree-inline.c (expand_call_inline): Do not re-record variables.
72 (declare_inline_vars): Add variable to unexpanded_var_list.
74 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
75 Roger Sayle <roger@eyesopen.com>
77 PR rtl-optimization/26244
78 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
79 inner_const are negative or greater than or equal to the bitsize of
80 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
81 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
82 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
83 CONST0_RTX (mode) when the new shift count is greater than or equal to
84 to the bitsize of the object being shifted and XEXP (y, 0) has no side
87 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
89 * tree-cfg.c: Fix a comment typo.
91 2006-08-03 Mark Mitchell <mark@codesourcery.com>
94 * varasm.c (output_constant): Give the front end another chance to
95 expand constants, after stripping NOPs.
97 2006-08-03 Jan Hubicka <jh@suse.cz>
99 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
102 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
104 PR tree-optimization/27770
105 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
106 declaration removed (moved to tree-flow.h).
107 (vect_can_force_dr_alignment_p): Likewise.
108 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
109 (moved from tree-vectorizer.h).
110 (vect_can_force_dr_alignment_p): Likewise.
111 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
112 from outside the vectorizer - in particular from cgraph stage.
113 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
114 the alignment of global arrays when -fsection-anchors is enabled.
115 * cgraphunit.c (cgraph_increase_alignment): New function.
116 (cgraph_optimize): Call cgraph_increase_alignment.
118 2006-08-03 David Edelsohn <edelsohn@gnu.org>
121 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
122 not reload a SPE symbol_ref into a lo_sum address.
124 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
127 * dwarf2out.c (prune_unused_types_prune): Move call to
128 prune_unused_types_update_strings to cover the parent DIE also.
130 2006-08-02 Jan Hubicka <jh@suse.cz>
132 PR gcov/profile/28480
133 * tree-cfg.c (change_bb_for_stmt): New function.
134 (tree_merge_blocks, tree_split_blocks): Use it.
136 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
142 * toplev.c (compile_file): Return early on errorcount or sorrycount.
143 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
144 (cgraph_optimize): Likewise.
146 2006-08-01 Stuart Hastings <stuart@apple.com>
148 * rtl.h (UINTVAL) New.
149 * config/rs6000/rs6000.c (SMALL_INT) Use it.
150 * testsuite/gcc.dg/20060801-1.c: New.
152 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
155 * c-typeck.c (build_external_type): Mark used enum types.
156 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
158 (gen_subprogram_die): Whitespace fix.
160 2006-08-01 Jan Hubicka <jh@suse.cz>
162 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
163 bitmap when not needed.
164 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
167 2006-08-01 Dirk Mueller <dmueller@suse.de>
169 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
171 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
173 * Makefile.in: Revert part of previous patch:
174 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
177 2006-07-30 Eric Christopher <echristo@apple.com>
180 * doc/extend.texi (i386 Variable Attributes): Add anchor.
181 (PowerPC Variable Attributes): New section.
183 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
185 PR target/28126 (partial fix)
186 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
188 2006-07-28 Jan Hubicka <jh@suse.cz>
190 PR rtl-optimization/28071
191 * cfgrtl.c (rtl_delete_block): Free regsets.
192 * flow.c (allocate_bb_life_data): Re-use regsets if available.
194 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
196 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
197 and variables used in dependencies.
199 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
201 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
202 %fs for -mcmodel=kernel.
203 (stack_tls_protect_test_di): Likewise.
205 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
207 * Makefile.in: Use mkinstalldirs.
209 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
212 * opts-common.c (prune_options): Skip joined switches.
214 2006-07-27 Jan Hubicka <jh@suse.cz>
216 PR rtl-optimization/28071
217 * cselib.c (cselib_process_insn): Don't remove useless values too
218 often for very large hashtables.
220 2006-07-27 Jan Hubicka <jh@suse.cz>
222 PR rtl-optimization/28071
223 * global.c (greg_obstack): New obstack.
224 (allocate_bb_info): Use it.
225 (free_bb_info): Likewise.
226 (modify_reg_pav): Likewise.
228 2006-07-27 Roger Sayle <roger@eyesopen.com>
230 * builtins.c (fold_fixed_mathfn): When long and long long are the
231 same size, canonicalize llceil*, llfloor*, llround* and llrint*
232 functions to their lceil*, lfloor*, lround* and lrint* forms.
234 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
237 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
239 (rev_branch_insn): Likewise.
241 2006-07-27 Jan Hubicka <jh@suse.cz>
243 PR rtl-optimization/28071
244 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
245 (reg_set_in_bb, max_reg_computed): New static variables.
246 (regmove_optimize): Free the new array.
247 (fixup_match_1): Update call of reg_is_remote_constant_p.
249 2006-07-26 Jan Hubicka <jh@suse.cz>
251 PR tree-optimization/27882
252 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
254 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
256 (cgraph_analyze_compilation_unit): Likewise.
257 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
258 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
259 (cgraph_early_inlinine): Make order garbage collected.
260 * Makefile.in (gt-ipa-inline): New garbagecollected file.
262 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
264 * dbxout.c (output_types_sort): Add a comment.
265 (output_used_types): Free the VEC.
267 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
269 * function.c (reorder_fix_fragments): Delete.
270 (reorder_blocks): Don't call it.
271 (reorder_blocks_1): Put all subblocks under the origin block.
273 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
275 PR rtl-optimization/27907
276 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
279 2006-07-25 Roger Sayle <roger@eyesopen.com>
282 * convert.c (convert_to_integer): When transforming (T)foo(x) into
283 bar(x) check that bar's result type can represent all the values of T.
285 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
287 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
289 2006-07-25 Nick Clifton <nickc@redhat.com>
291 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
293 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
294 (ggc_pch_count_object): Likewise.
295 (ggc_pch_alloc_object): Likewise.
296 (ggc_pch_write_object): Likewise.
297 (init_ggc): Do not attempt to initialize entries in the
298 size_lookup[] array for objects whose size is greater than than
299 the length of the array.
301 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
303 * dbxout.c (output_used_types_helper): Push queued types
305 (output_types_sort): New.
306 (output_used_types): Collect used types on a VEC and sort them
309 2006-07-24 Richard Guenther <rguenther@suse.de>
312 * cgraph.c (cgraph_remove_node): Do not check if dumps
314 * cgraphunit.c (cgraph_optimize): Likewise.
316 2006-07-24 Jan Hubicka <jh@suse.cz>
318 PR rtl-optimization/28071
319 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
320 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
321 splitting before first stmt.
323 2006-07-24 Jan Hubicka <jh@suse.cz>
325 PR rtl-optimization/28071
326 * ipa-inline.c (update_caller_keys): Remove edges that
327 are no longer inline candidates.
329 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
332 * dbxout.c (output_used_types_helper, output_used_types): New.
333 (dbxout_symbol): Call output_used_types.
335 2006-07-23 Jan Hubicka <jh@suse.cz>
339 * cgraph.c (cgraph_varpool_nodes): Export.
340 (decide_is_variable_needed): Ignored "used" attribute in
342 * cgraph.h (cgraph_varpool_nodes): Declare.
343 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
346 2006-07-23 Roger Sayle <roger@eyesopen.com>
349 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
350 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
351 the __gthrw form of thr_keycreate.
352 (__gthread_key_delete): Silence the unused argument warning.
354 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
357 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
358 Cache the last found '\0' marker to avoid quadratic behavior.
360 2006-07-23 Jan Hubicka <jh@suse.cz>
362 * i386.md (subsi_3_zext): Fix output template.
364 2006-07-21 Mike Stump <mrs@apple.com>
366 * doc/invoke.texi (C++ Dialect Options): Note that
367 -fvisibility-inlines-hidden doesn't affect explicitly
368 instantiationed inline methods.
370 2006-07-20 Roger Sayle <roger@eyesopen.com>
372 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
373 if the target assembler is GNU binutils' gas.
374 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
375 whether to pass GNU gas or native as command line options.
377 2006-07-20 Jason Merrill <jason@redhat.com>
379 * tree.c (remove_attribute): New fn.
380 * tree.h: Declare it.
382 2006-07-20 Paul Brook <paul@codesourcery.com>
385 * cse.c (cse_insn): Add destination addresses to hash table. Check if
386 they are invalidated by this instruction.
388 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
391 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
393 2006-07-20 Eric Christopher <echristo@apple.com>
396 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
398 2006-07-19 Eric Christopher <echristo@apple.com>
400 * config/t-slibgcc-darwin (stmp-lipo): Remove.
401 Rewrite dependencies for libgcc_s.1.dylib.
403 2006-07-19 Jakub Jelinek <jakub@redhat.com>
405 * except.c (duplicate_eh_regions_1): Clear next_peer.
407 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
409 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
410 -mlongcall does not guarantee all calls will be long.
411 * doc/extend.texi (long_call/short_call): Document that longcall
412 does not guarantee a long call will be used.
413 (longcall/shortcall): Likewise.
415 2006-07-18 Roger Sayle <roger@eyesopen.com>
418 * expmed.c (expand_shift): Additionally check that the shift_cost
419 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
420 before implementing a LSHIFT_EXPR as a sequence of additions.
421 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
422 middle-end that DImode shifts need to be synthesized by expand.
424 2006-07-18 Diego Novillo <dnovillo@redhat.com>
427 * tree-ssa-operands.c (access_can_touch_variable): Update
429 Return true if ALIAS is .GLOBAL_VAR.
431 2006-07-18 David Daney <ddaney@avtrex.com>
433 * gcc.c (display_help): Fix typo in help text.
435 2006-07-18 Olivier Hainque <hainque@adacore.com>
437 * tree.h (categorize_ctor_elements): Adjust prototype and add
438 descriptive comment, both in accordance with the interface change
440 * varasm.c (constructor_static_from_elts_p): New function.
441 Whether a constructor node is a valid static constant initializer
442 if all its elements are.
443 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
444 * output.h: Declare it.
445 * expr.c (categorize_ctor_elements_1): Return whether the constructor
446 is a valid constant initializer instead of computing the number of
447 non-constant elements. Use constructor_static_from_elts_p for this
448 purpose. Replace the head comment with an indication that this is a
449 helper for categorize_ctor_elements.
450 (categorize_ctor_elements): Same interface change as for the _1
451 helper. Former head comment from this helper moved here, adjusted to
452 account for the interface changes.
453 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
454 (all_zeros_p): Likewise.
455 * gimplify.c (gimplify_init_constructor): Decide whether we can make
456 static versions of the constructor from the categorize_ctor_elements
457 return value instead of the formerly computed number of non-constant
460 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
462 * configure: Regenerate.
463 * Makefile.in (build_libsubdir): New configure substitution
464 (build_libobjdir): New variable.
465 (BUILD_LIBIBERTY): Use it.
467 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
470 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
472 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
475 * c-common.c (handle_weakref_attribute): Ignore attribute in
476 the same conditions the alias attribute is ignored.
478 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
480 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
481 (dbxout_begin_prologue): Increment scope_labelno.
483 2006-07-17 Richard Henderson <rth@redhat.com>
486 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
489 2006-07-17 Roger Sayle <roger@eyesopen.com>
490 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
492 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
493 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
494 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
495 functions such as sbrk, write, etc.. Add function prototypes.
496 Convert function declarations from K&R to ISO C. Cast pointers
497 to "long" and "unsigned long" instead of "int" and "unsigned int".
498 Convert tokens following #endif into comments.
500 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
502 * invoke.texi: Remove mention of f77; Reformat table for
503 inline parameter options correctly; mention that -malign-double
504 is default on x86-64 targets.
506 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
508 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
509 (convert_affine_scev, chrec_convert_aggressive): Use
510 avoid_arithmetics_in_type_p. Do not check for the subtypes
513 2006-07-17 Richard Sandiford <richard@codesourcery.com>
516 * optabs.c (expand_doubleword_shift): Wrap the call to
517 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
519 2006-07-17 Richard Sandiford <richard@codesourcery.com>
522 * optabs.c (expand_binop): Pass next_methods rather than methods
523 to expand_doubleword_shift.
525 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
528 * tree.h (dump_addr): Declare.
529 * print-tree.c (dump_addr): New function.
530 (print_node_brief, print_node): Use it.
531 * print-rtl.c (print_rtx): Likewise.
532 * common.opt (-fdump-noaddr): New option.
533 * doc/invoke.texi (-fdump-noaddr): Document.
534 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
535 (ve_info_hash): Likewise.
537 2006-07-13 Andrew Haley <aph@redhat.com>
539 PR tree-optimization/19505
540 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
541 edge leaving this block, make sure that the destination of this
542 block has only one predecessor.
544 2006-07-17 Richard Guenther <rguenther@suse.de>
546 PR tree-optimization/28238
547 * tree-inline.c (copy_bb): Check if we produced valid
548 gimple copying and substituting a stmt. If not, gimplify
551 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
553 * optabs.c (maybe_encapsulate_block): New function extracted from...
554 (emit_libcall_block): ...here. Invoke it on the block of insns to
555 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
556 (emit_no_conflict_block): Likewise.
558 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
560 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
562 2006-07-15 Roger Sayle <roger@eyesopen.com>
564 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
565 a new NOP_EXPR case of the switch statement.
567 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
570 * stor-layout.c (place_field): Take the bit field with
571 an excessive size into account in the ms-bitfiled case.
574 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
575 the previous bit field.
577 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
580 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
582 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
584 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
585 signal frames correctly even when the signal was installed with
588 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
590 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
591 (dbxout_function_end): Use local label LFBB. Remove hook
593 (dbxout_source_line): Use local label LFBB.
594 (dbxout_block): Likewise.
595 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
596 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
597 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
600 2006-07-13 Janis Johnson <janis187@us.ibm.com>
602 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
604 2006-07-13 Jan Hubicka <jh@suse.cz>
606 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
608 * output.h (align_variable): Declare.
609 * varasm.c (align_variable): Export.
610 * value-prof.c (tree_value_profile_transformations): Recompute iterator
611 when basic block changed.
613 2006-07-13 Nick Clifton <nickc@redhat.com>
615 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
616 walking the LOG_LINKS chain.
618 2006-07-12 Geoffrey Keating <geoffk@apple.com>
620 * doc/invoke.texi (C++ Dialect Options): Explain difference
621 between -fvisibility-inlines-hidden and setting hidden
622 visibility explicitly.
624 2006-07-12 Eric Christopher <echristo@apple.com>
626 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
627 (stmp-lipo): Depend on libgcc.a.
629 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
631 * tree.c: Fix a comment typo.
633 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
635 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
637 (umulhisi3_r): Likewise.
639 2006-07-12 Paolo Carlini <pcarlini@suse.de>
642 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
643 x < 19, vs wchar_t support.
645 2006-07-12 Nick Clifton <nickc@redhat.com>
647 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
650 2006-07-12 Mike Stump <mrs@apple.com>
652 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
654 2006-07-10 Eric Christopher <echristo@apple.com>
656 * config/t-slibgcc-darwin: Rewrite.
658 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
661 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
664 2006-07-08 Matthias Klose <doko@debian.org>
666 * doc/sourcebuild.texi: Fix typo.
668 2006-07-07 Mike Stump <mrs@apple.com>
670 * toplev.c (process_options): Don't give -ffunction-sections may
671 affect debugging warning for Mach-O.
673 2006-07-07 James E Wilson <wilson@specifix.com>
675 * config/mips/mips.md (cpu): Add sb1a.
676 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
677 addition to sb1. Adjust comments to clarify SB-1A differences from
679 (ir_sb1a_load): New. Modify bypasses to use it.
680 (ir_sb1a_simple_alu): Likewise.
681 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
682 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
683 (mips_issue_rate): Add PROCESSOR_SB1A.
684 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
685 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
686 (TARGET_SB1): Add PROCESSOR_SB1A check.
687 (TUNE_SB1): Likewise.
689 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
690 * config/mips/mips.c (mips_store_data_bypass_p): New.
691 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
694 2006-07-08 Paul Brook <paul@codesourcery.com>
697 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
699 2006-07-07 Richard Guenther <rguenther@suse.de>
702 * tree.h (build_one_cst): Declare.
703 * tree.c (build_one_cst): New function.
704 * tree-ssa-math-opts.c (get_constant_one): Remove.
705 (insert_reciprocals): Use build_one_cst.
706 * fold-const.c (fold_plusminus_mult): Likewise.
708 2006-07-07 Roger Sayle <roger@eyesopen.com>
710 * pointer-set.c (pointer_set_destroy): Correct whitespace.
711 * cfgloopanal.c (dump_graph): Likewise.
712 * dojump.c (discard_pending_stack_adjust): Likewise.
713 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
715 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
716 * function.c (finalize_block_changes): Likewise.
717 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
718 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
719 * rtl.c (dump_rtx_statistics): Likewise.
720 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
722 * varray.c (dump_varray_statistics): Likewise.
723 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
724 decode_decimal64, encode_decimal128, decode_decimal128,
725 decimal_real_to_decimal): Likewise.
727 2006-07-07 Richard Guenther <rguenther@suse.de>
729 PR tree-optimization/28187
730 * tree-vrp.c (vrp_operand_equal_p): New function.
731 (vrp_bitmap_equal_p): Likewise.
732 (update_value_range): Use them to compare old and new
735 2006-07-06 Roger Sayle <roger@eyesopen.com>
737 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
738 a default case to switch statement to silence compiler warnings.
740 2006-07-06 Roger Sayle <roger@eyesopen.com>
743 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
744 the configured assembler supports the x87's ffreep mnemonic.
745 * configure: Regenerate.
746 * config.in: Regenerate.
748 * config/i386/i386.c (output_387_ffreep): New function.
749 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
750 (output_387_reg_move): Likewise.
752 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
754 Port to hosts whose 'sort' and 'tail' implementations
755 treat operands with leading '+' as file names, as POSIX
756 has required since 2001. However, make sure the code still
757 works on pre-POSIX hosts.
758 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
759 which says you should use "tail -c +N" rather than "tail +Nc".
760 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
762 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
764 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
767 2006-07-06 David Edelsohn <edelsohn@gnu.org>
770 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
771 PRE_{INC,DEC} of TFmode.
773 2006-07-06 David Edelsohn <edelsohn@gnu.org>
774 Alan Modra <amodra@bigpond.net.au>
777 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
780 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
783 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
784 Remove duplicate gtu.
786 2006-07-05 Jason Merrill <jason@redhat.com>
790 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
791 * c-common.c (handle_packed_attribute): So don't copy it here.
792 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
794 2006-07-05 Mike Stump <mrs@apple.com>
796 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
798 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
801 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
803 2006-07-05 Richard Guenther <rguenther@suse.de>
806 * config/i386/i386.md (*negdf2_1): Restrict pattern to
807 TARGET_SSE2 targets if using SSE math.
808 (*absdf2_1): Likewise.
810 2006-07-05 Richard Guenther <rguenther@suse.de>
812 PR tree-optimization/28162
813 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
814 make sure to convert the operands to the correct type.
816 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
818 PR tree-optimization/28218
820 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
821 to calculate and free the dominator information.
823 2006-07-04 Peter O'Gorman <peter@pogma.com>
825 * mklibgcc.in: chmod 644 before ranlib during install.
827 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
828 J"orn Rennecke <joern.rennecke@st.com>
830 * configure.ac (.eh_frame data check): Use diff -b.
832 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
835 * Makefile.in (BUILD_RTL): Add build/vec.o.
836 (build/gencondmd.o): Filter out -fkeep-inline-functions.
837 (build/genextract): Delete.
838 (build/genautomata): Likewise.
840 2006-07-04 Alan Modra <amodra@bigpond.net.au>
843 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
844 128-bit IBM long doubles for ABI_V4.
846 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
848 * tree.c (range_in_array_bounds_p): New predicate.
849 * tree.h (range_in_array_bounds_p): Declare it.
850 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
851 return a less conservative answer.
852 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
854 (IS_ELEMENT_FOR_GROUP): New macro.
855 (FOR_EACH_ACTUAL_CHILD): Likewise.
856 (next_child_for_group): New helper function.
857 (can_completely_scalarize_p): Take into account groups.
858 (sra_hash_tree): Handle RANGE_EXPR.
859 (sra_elt_eq): Likewise.
860 (lookup_element): Be prepared for handling groups.
861 (is_valid_const_index): Delete.
862 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
863 instead of is_valid_const_index.
864 <ARRAY_RANGE_REF>: New case.
865 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
866 is_valid_const_index.
867 <ARRAY_RANGE_REF>: Do not unconditionally punt.
868 (scan_dump): Dump info for groups too.
869 (decide_instantiation_1): Likewise.
870 (decide_block_copy): Assert that the element is not a group.
871 Propagate decision to groups.
872 (generate_one_element_ref): Handle RANGE_EXPR.
873 (mark_no_warning): Iterate over actual childs.
874 (generate_copy_inout): Likewise.
875 (generate_element_copy): Likewise.
876 (generate_element_zero): Likewise.
877 (generate_element_init_1): Likewise.
878 (dump_sra_elt_name): Handle RANGE_EXPR.
880 2006-07-03 Roger Sayle <roger@eyesopen.com>
882 PR tree-optimization/26251
883 * tree-ssa-threadupdate.c (redirection_block_p): New function.
884 (thread_block): When optimizing for size refuse to thread jumps
885 that would require duplication of blocks other than redirection
888 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
890 * configure.ac: Fix thinko in previous check-in.
891 * configure: Regenerate.
893 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
896 * configure.ac (for lang...): Simplify nesting of conditionals.
897 Test subdir_requires for non-enabled languages. Move processing
898 of lang_opt_files and lang_tree_fiels below that test.
899 * configure: Regenerate.
900 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
902 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
904 * doc/gcov.texi (Invoking Gcov): Add a missing word.
906 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
908 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
911 2006-06-29 Jason Merrill <jason@redhat.com>
918 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
919 * c-common.c (c_determine_visibility): Handle it here.
920 * c-decl.c (finish_decl): Call c_determine_visibility for
922 * flags.h (enum symbol_visibility): Sort from most to least visibility.
924 * varasm.c (default_assemble_visibility): Likewise.
925 * c-common.c (handle_visibility_attribute): Complain about trying
926 to give visibility to an already defined class, or trying to change
927 declared visibility. Always attach the attribute.
932 * attribs.c (decl_attributes): Ignore type-in-place attributes
933 once the type has been defined.
935 2006-06-29 Roger Sayle <roger@eyesopen.com>
938 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
939 to indicate the cpplib has issued an error message for us.
941 2006-06-29 Asher Langton <langton2@llnl.gov>
944 * config/i386/i386.c (ix86_output_function_epilogue): Don't
945 insert a label at the end of an function under Mach-O.
947 2006-06-29 Eric Christopher <echristo@apple.com>
948 Evan Cheng <evan.cheng@apple.com>
950 * predicates.md (vector_all_ones_operand): New.
951 (nonimmediate_or_sse_const_operand): Ditto.
952 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
953 * config/i386/i386.c (standard_sse_constant_opcode): Define.
954 (standard_sse_mode_p): Ditto.
955 (standard_sse_constant_p): Add case for -1 vector.
956 (ix86_expand_vector_move): Try to use.
957 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
958 Call standard_sse_constant_opcode.
959 (*movv4sf_internal): Ditto.
960 (*movv2df_internal): Ditto.
962 2006-06-29 Roger Sayle <roger@eyesopen.com>
964 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
965 of XEXP to extract the operands of a MATCH_CODE rtx.
967 2006-06-28 Andrew Pinski <pinskia@gmail.com>
969 * tree.c (tree_size): Do not waste tail padding in
970 struct tree_string and make the size be the same as
971 build_string will generate.
973 2006-06-28 Jason Merrill <jason@redhat.com>
976 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
977 may_aliases already in the tag's annotations to the bitmap.
979 2006-06-28 Roger Sayle <roger@eyesopen.com>
981 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
983 2006-06-28 Roger Sayle <roger@eyesopen.com>
985 * genpreds.c (generate_switch_p): New function.
986 (add_mode_tests): Push the new mode test down inside an AND expr
987 if this allows the switch-suitable MATCH_CODE to be near the root.
988 (write_match_code_switch): New function to write a MATCH_CODE as
990 (write_predicate_stmts): New function to write a predicate RTX
991 expression as a sequence of statements.
992 (write_one_predicate_function): Use write_predicate_stmts.
993 (write_tm_constrs_h): Likewise.
995 2006-06-26 Fred Fish <fnf@specifix.com>
997 * config/mips/t-sb1: New file.
998 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1001 2006-06-26 DJ Delorie <dj@redhat.com>
1003 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1005 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1006 Jayant Sonar <jayants@kpitcummins.com>
1007 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1009 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1010 (subsi3, subsi3_1, subsi3_2): New.
1011 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1012 * config/m32c/mov.md (SI mov peephole): New.
1013 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1014 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1016 2006-06-26 Olivier Hainque <hainque@adacore.com>
1018 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1019 a CALL_EXPR target function declaration.
1021 2006-06-26 Richard Guenther <rguenther@suse.de>
1023 * tree.c (build_string): Do not waste tail padding in
1026 2006-06-26 Richard Guenther <rguenther@suse.de>
1028 * ggc-page.c (init_ggc): Add missing element to size_lookup
1032 2006-06-23 Richard Guenther <rguenther@suse.de>
1034 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1035 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1036 alignment requests instead. Add verification code.
1037 Add struct tree_function_decl and struct tree_binfo size to
1038 extra_order_size_table. Add missing element to size_lookup
1041 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1044 * fold-const.c (const_binop): Be prepared for self returning zero.
1045 Simplify code handling complex values.
1047 2006-06-24 Olivier Hainque <hainque@adacore.com>
1049 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1050 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1053 2006-06-24 Olivier Hainque <hainque@adacore.com>
1055 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1056 ARRAY_REF, so have the callback called for the low bound expression.
1058 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1060 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1061 * c-typeck.c (c_common_type): Disallow operations on decimal float
1062 types and other float types.
1063 * convert.c (convert_to_real): Don't ignore conversions involving
1064 decimal float types.
1066 2006-06-23 Olivier Hainque <hainque@adacore.com>
1068 * tree.c (max_int_size_in_bytes): New function, inspired from
1069 code in function.c:assign_temp.
1070 * tree.h (max_int_size_in_bytes): Declare.
1071 * function.c (assign_temp): Use it.
1072 * gimplify.c (create_tmp_var): Relax the assertions on the type
1073 properties, not mandating constant size any more.
1074 (force_constant_size): New static function.
1075 (gimple_add_tmp_var): Use it, forcing variable size to a
1076 constant upper bound if it is not constant on entry.
1078 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1081 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1082 for initialization and setting of one_only flag to ...
1083 (i386_pe_encode_section_info): ...here.
1084 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1085 Recheck that the symbol has not been defined.
1087 2006-06-23 Richard Guenther <rguenther@suse.de>
1089 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1090 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1091 alignment requests instead. Add verification code.
1092 Add struct tree_function_decl and struct tree_binfo size to
1093 extra_order_size_table. Add missing element to size_lookup
1096 2006-06-22 Roger Sayle <roger@eyesopen.com>
1097 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1100 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1101 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1103 2006-06-23 Ben Elliston <bje@au.ibm.com>
1105 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1106 negate dn -- manipulate it directly.
1108 2006-06-22 Roger Sayle <roger@eyesopen.com>
1109 Steven Bosscher <stevenb.gcc@gmail.com>
1112 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1113 generated by gen_move_insn to add REG_LABEL notes if necessary.
1115 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1117 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1118 (leaf_entry): Remove use of MIN_ESA.
1120 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1122 PR rtl-optimization/28121
1123 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1126 2006-06-21 DJ Delorie <dj@redhat.com>
1128 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1130 (mulhisi3_r): Likewise.
1132 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1135 * coverage.c (coverage_counter_alloc): Leave the index type
1137 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1140 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1142 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1143 section from the "Options for Code Generation Conventions".
1145 2006-06-21 Richard Henderson <rth@redhat.com>
1149 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1151 (global_symbolic_operand): Allow weak symbols, even if local_p.
1153 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1155 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1156 (find_interesting_uses_address): Punt if above function returns true.
1158 2006-06-21 Richard Guenther <rguenther@suse.de>
1160 * configure: Regenerated.
1162 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1164 * config/mips/mips.c (function_arg): Where one part of a
1165 complex argument is in registers and the other part in the stack,
1166 return a REG not a PARALLEL.
1168 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1170 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1171 when cross-compiling. Do not substitute libstdcxx_incdir.
1172 * configure: Regenerated.
1174 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1176 * varasm.c (mergeable_string_section): Check for embedded NULs and
1177 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1178 rather than TREE_STRING_LENGTH bytes.
1180 2006-06-21 Richard Guenther <rguenther@suse.de>
1182 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1183 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1186 2006-06-21 Richrad Guenther <rguenther@suse.de>
1188 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1189 Limit iteration over the dominators.
1191 2006-06-20 Roger Sayle <roger@eyesopen.com>
1193 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1194 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1196 2006-06-20 Richard Guenther <rguenther@suse.de>
1197 Michael Matz <matz@suse.de>
1199 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1201 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1202 * et-forest.h (et_free_pools): Prototype new function.
1203 * et-forest.c (et_free_tree_force): Free parent occurrence.
1204 (et_free_pools): New function.
1205 * dominance.c (free_dominance_info): Free et-forest alloc
1208 2006-06-20 Roger Sayle <roger@eyesopen.com>
1210 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1211 integer modes, attempt to directly construct an integer constant.
1213 * fold-const.c (native_encode_vector): Determine the size of each
1214 element from the vector type instead of the first vector element.
1216 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1217 if all of its elements/components are constant.
1218 (build_constructor_from_list): Likewise.
1220 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1222 PR tree-optimization/27331
1223 * tree-data-ref.c (free_data_ref): New function.
1224 (create_data_ref): Fail if the data reference has unknown access
1226 (free_data_refs): Use free_data_ref.
1228 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1231 * tree-inline.c (setup_one_parameter): Strip useless
1232 type conversion before adding it to the IR.
1233 (declare_return_variable): Likewise.
1235 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1238 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1240 2006-06-19 Mike Stump <mrs@apple.com>
1242 * tree.c (variably_modified_type_p): VM arguments don't make the
1245 2006-06-19 Richard Guenther <rguenther@suse.de>
1247 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1248 type conversions after folding.
1250 2006-06-19 Richard Guenther <rguenther@suse.de>
1252 * ggc-page.c (extra_order_size_tab): Add entries with
1253 size of struct function and basic_block.
1254 (size_lookup): Extend to cover sizes up to 511.
1255 (ggc_alloc_stat): Adjust user.
1256 (ggc_pch_count_object): Likewise.
1257 (ggc_pch_alloc_object): Likewise.
1258 (ggc_pch_write_object): Likewise.
1260 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1262 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1263 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1266 2006-06-19 Denis Chertykov <denisc@overta.ru>
1268 * config/avr/libgcc.S : Correct my wrong previous commit.
1270 2006-06-19 Roger Sayle <roger@eyesopen.com>
1273 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1274 have stripped a SUBREG from the shift count, so we may need to
1275 convert_to_mode back to the type's mode before calling make_tree.
1276 Use new_amount instead of amount to avoid expanding a tree twice.
1278 2006-06-19 Richard Guenther <rguenther@suse.de>
1281 * fold-const.c (operand_equal_p): Check if the argument types
1282 have the same precision before stripping NOPs.
1284 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1286 Fix PR tree-optimization/27341
1287 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1289 * tree-complex.c (pass_lower_complex): Update SMT usage.
1291 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1293 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1294 Add a new alternative to the constraint strings. Add move of
1295 operand 1 to 3 to the splitter definition.
1296 ("doloop_si_long"): Second contraint alternative removed.
1298 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1300 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1301 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1303 (AVR_HAVE_MOVW) Define.
1304 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1305 (ASM_SPEC): Add avr25.
1306 (LINK_SPEC): Add avr25.
1307 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1308 (base_arch_s): Add new member 'have_movw_lpmx'.
1309 (avr_arch_types): Init 'have_movw_lpmx'.
1310 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1311 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1312 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1313 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1314 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1316 (avr_file_start): Do not output '.arh' derective.
1317 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1318 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1319 * config/avr/avr.md (mcu_enhanced): Delete.
1320 (mcu_have_movw): Define.
1321 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1322 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1323 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1324 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1325 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1326 attiny861 and at86rf401 devices.
1328 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1330 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1333 2006-06-17 Karl Berry <karl@gnu.org>
1335 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1336 doc/gccint.texi, doc/install.texi (@dircategory): Use
1337 "Software development" instead of "Programming", following
1338 the Free Software Directory.
1340 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1342 * config/i386/i386.c (legitimate_tls_address)
1343 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1344 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1345 (*tls_dynamic_gnu2_combine_64): Likewise.
1347 2006-06-16 Richard Guenther <rguenther@suse.de>
1350 * fold-const.c (negate_expr_p): Do not introduce undefined
1351 overflow in negating INTEGER_CSTs.
1352 (fold_negate_expr): Rename from negate_expr. Revert last
1353 change for folding BIT_NOT_EXPR. Change semantics to
1354 return NULL_TREE for non-simplified negations. Do not
1355 strip type conversions and unify type handling.
1356 (negate_expr): New function, wrap around fold_negate_expr
1357 but ensure building a tree always. Strip type conversions
1358 here, fold to result type.
1359 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1361 2006-06-16 Roger Sayle <roger@eyesopen.com>
1364 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1365 that (would) return their results in stack registers.
1367 2006-06-16 Michael Matz <matz@suse.de>
1368 Richard Guenther <rguenther@suse.de>
1370 * fold-const.c (fold_truthop): Only return new tree node if
1371 we canonicalized something.
1373 2006-06-16 Richard Guenther <rguenther@suse.de>
1375 * function.h (enum function_frequency): Move declaration
1376 out of struct function.
1377 (struct function): Move bool fields and the enum to the bitfield
1378 section. Reorder elements to avoid padding. Remove unused
1379 fields left over from the RTL inliner removal.
1380 * function.c (free_after_compilation): Do not zero removed fields.
1381 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1382 (ipa-type-escape.o): Likewise.
1384 2006-06-16 Richard Guenther <rguenther@suse.de>
1386 * cgraph.h (struct cgraph_local_info): Turn bool elements
1388 (struct cgraph_node): Likewise.
1389 (struct cgraph_varpool_node): Likewise.
1391 2006-06-15 Richard Guenther <rguenther@suse.de>
1393 * fold-const.c (fold_truth_not_expr): Rename from
1394 invert_truthvalue. Give it fold_* semantics to avoid
1396 (invert_truthvalue): New function. Wrapper around
1397 fold_truth_not_expr.
1398 (optimize_minmax_comparison): Avoid creating garbage.
1399 (fold_unary): Use fold_truth_not_expr for folding
1401 (fold_ternary): Replace uses of invert_truthvalue with
1402 fold_truth_not_expr where applicable.
1403 * tree.h (fold_truth_not_expr): Prototype.
1405 2006-06-16 Richard Guenther <rguenther@suse.de>
1407 PR tree-optimization/27781
1408 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1409 * ipa-pure-const.c (target.h): Include.
1410 (analyze_function): Do not analyze functions that do not
1413 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1416 * tree-dfa.c (referenced_vars_dup_list): Remove.
1417 (find_referenced_vars): Remove assert.
1418 (referenced_var_check_and_insert): Replace dup list with assert.
1419 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1420 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1422 2006-06-15 Richard Guenther <rguenther@suse.de>
1424 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1425 extra unused identifiers if not dumping.
1426 (create_variable_info_for): Likewise.
1428 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1430 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1431 (derive_constant_upper_bound): Derive more precise upper bound in
1432 common cases. Return type changed to double_int.
1433 (record_estimate): Reflect the changed return type of
1434 derive_constant_upper_bound.
1435 * double-int.c (double_int_zext, double_int_sext): Fix.
1437 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1439 * configure.ac (CFLAGS): Get them from the toplevel or from the
1440 configure invocation.
1441 * configure: Regenerate.
1442 * Makefile.in (CFLAGS): Substitute value provided by configure.
1444 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1447 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1448 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1449 rather than calling add_stmt on it.
1450 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1452 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1455 * reload1.c (reload): Remove registers returned by update_eliminables
1456 from used_spill_regs.
1458 2006-06-13 DJ Delorie <dj@redhat.com>
1460 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1462 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1464 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1465 html__strip_dir, html__mkdir_p. Enhance install-html target.
1466 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1467 * configure: Regenerate.
1469 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1471 * fold-const.c (fold_cond_expr_with_comparison): Check for
1472 Objective-C++ as language in deciding COND_EXPR transformation.
1474 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1477 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1478 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1479 * config/sh/lib1funcs.h (SL, SL1): Define.
1480 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1481 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1482 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1483 (OBJS_Os_4_200): New variable.
1484 ($(T)libgcc-Os-4-200.a): Use it.
1485 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1486 when dividing 1 and/or by 0.
1488 2006-06-13 Roger Sayle <roger@eyesopen.com>
1490 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1491 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1492 * configure: Regenerate.
1494 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1496 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1497 for real instruction.
1499 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1502 * haifa-sched.c (check_cfg): Handle special case.
1504 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1507 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1508 Add debug_info parameter. Chain the vars to the BLOCK instead
1509 of the BIND_EXPR if debug info are requested for them.
1510 (pop_gimplify_context): Adjust for above change.
1511 (gimple_add_tmp_var): Likewise.
1512 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1514 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1515 (convert_local_reference): Likewise.
1516 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1517 (finalize_nesting_tree_1): Request that debug info be emitted
1518 for debug_var_chain.
1520 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1522 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1523 for PR target/27863.
1525 2006-06-13 Richard Guenther <rguenther@suse.de>
1528 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1530 2006-06-13 Richard Guenther <rguenther@suse.de>
1532 PR tree-optimization/27830
1533 * tree-inline.c (copy_body_r): For copying the operand
1534 of an ADDR_EXPR make sure to fold &* afterwards.
1536 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1538 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1539 lvalues in the fb_none case with side-effects.
1541 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1543 * tree-flow.h: Remove the prototype for
1544 compute_phi_arg_on_exit.
1545 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1546 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1549 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1551 * builtins.c (expand_builtin_return_addr): Only use
1552 frame_pointer_rtx when count == 0 and we are expanding
1553 __builtin_return_address.
1555 2006-06-12 Fred Fish <fnf@specifix.com>
1557 * config/mips/mips.c (mips_file_start): Create special section
1558 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1560 2006-06-11 Eric Christopher <echristo@apple.com>
1563 * stor-layout.c (place_field): Remove check for
1564 remaining_in_alignment when aligning at the end of a run.
1566 2006-06-11 Eric Christopher <echristo@apple.com>
1569 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1572 2006-06-11 Roger Sayle <roger@eyesopen.com>
1575 Revert incorrect fix for PR target/27158
1576 2006-05-08 Roger Sayle <roger@eyesopen.com>
1577 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1578 of a reg_equiv_constant if the result is a legitimate constant.
1580 2006-06-11 Roger Sayle <roger@eyesopen.com>
1583 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1584 extract a CONST_VECTOR element and interpret it as an integer.
1585 (vspltis_constant): Use const_vector_elt_as_int instead of the
1586 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1587 * config/rs6000/predicates.md (easy_vector_const): Consider
1588 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1590 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1593 * stor-layout.c (update_alignment_for_field): Don't add extra
1594 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1597 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1599 * config/mips/t-rtems: Add EL/EB multilib variants.
1601 2006-06-09 Mike Stump <mrs@apple.com>
1603 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1605 2006-06-09 David Daney <ddaney@avtrex.com>
1607 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1609 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1611 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1613 2006-06-09 Richard Guenther <rguenther@suse.de>
1615 PR tree-optimization/26998
1616 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1617 of signed types, only TYPE_MIN_VALUE is special, but for both,
1618 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1619 in this case, as is -fwrapv.
1621 2006-06-08 Mike Stump <mrs@apple.com>
1624 * config/darwin.c (darwin_asm_output_anchor): Disable
1625 -fsection-anchors on darwin for now.
1626 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1627 * rs6000/rs6000.c (optimization_options): Likewise.
1629 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1632 * config/i386/i386.c (classify_argument): Skip fields with invalid
1635 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1637 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1638 (cse_insn): Likewise for the stack_pointer_rtx.
1640 2006-06-08 Roger Sayle <roger@eyesopen.com>
1642 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1643 conditions from floating point comparisons.
1645 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1648 * expmed.c (struct alg_hash_entry): Fix type of field T
1649 to match synth_mult argument.
1650 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1652 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1655 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1658 2006-06-08 Richard Guenther <rguenther@suse.de>
1661 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1662 only, if overflow is defined and not trapping.
1663 (negate_expr): Likewise.
1665 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1667 PR tree-optimization/27872
1668 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1669 flag on the new exit edge of the unrolled loop.
1671 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1673 PR rtl-optimization/26449
1674 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1676 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1679 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1680 referenced_variables with matching DECL_UID's.
1681 (find_referenced_vars): Make sure duplicate list is empty to start.
1682 (referenced_var_p): Remove.
1683 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1684 Check if var is in the list, and add if needed. Update the duplicate
1685 list if a different var is in the list with the same DECL_UID.
1686 (add_referenced_var): Call routine to check and insert.
1687 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1688 * tree-flow.h (referenced_vars_dup_list): External declaration.
1690 2006-06-07 Fred Fish <fnf@specifix.com>
1692 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1695 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1698 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1699 the imaginary and real parts of a clobbered register.
1700 Emit insn to set the imaginary part.
1702 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1704 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1705 in lieu of unwind-dw2-fde.c.
1707 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1709 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1711 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1714 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1715 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1716 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1717 V4SImode temporaries and operations instead.
1719 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1721 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1724 2006-06-06 Mike Stump <mrs@apple.com>
1726 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1727 installing during build.
1729 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1731 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1733 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1734 * config/ia64/ia64.c (params.h): New header.
1735 (ia64_optimization_options): New function to adjust parameters.
1736 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1737 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1738 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1740 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1742 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1744 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1747 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1749 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1750 Victor Kaplansky <victork@il.ibm.com>
1752 PR tree-optimization/26360
1753 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1756 2006-06-04 Roger Sayle <roger@eyesopen.com>
1757 Andrew Pinski <pinskia@physics.uc.edu>
1760 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1761 for LABEL_DECL before calling DECL_WEAK.
1764 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1765 LABEL_DECL and PARM_DECL.
1767 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1771 * c-decl.c (grokdeclarator): Disallow variably modified types at
1772 file scope. Avoid marking shared array type of constant size as
1775 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1778 * c-common.c (fold_offsetof_1): Handle static members.
1780 2006-06-04 Eric Christopher <echristo@apple.com>
1782 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1783 (debug_rli): Output value for remaining_in_alignment.
1784 (update_alignment_for_field): Unconditionalize
1785 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1786 extra alignment code.
1787 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1788 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1789 * tree.h (record_layout_info_s): Remove prev_packed.
1790 * doc/extend.texi (ms_struct): Add documentation of format.
1792 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1794 * tree.h: Declare folding_initializer.
1795 * builtins.c (fold_builtin_constant_p): Give definite answer
1796 if folding inside an initializer.
1797 * fold-const.c: Define folding_initializer.
1798 (START_FOLD_INIT): Save and then set folding_initializer.
1799 (END_FOLD_INIT): Restore folding_initializer.
1801 2006-06-04 Richard Guenther <rguenther@suse.de>
1803 PR tree-optimization/27039
1804 * fold-const.c (fold_comparison): Handle pointer comparison
1805 again for all comparison codes. Compare offsets in signed
1807 (fold_binary): Move code from here.
1809 2006-06-03 Roger Sayle <roger@eyesopen.com>
1812 * config/i386/i386.c (construct_container): Split static issued_error
1813 flag into issued_sse_arg_error, issued_sse_ret_error and
1814 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1815 requires the use of x87 registers and the user explicitly
1816 specified the -mno-80387 command line option.
1818 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1820 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1821 HAVE_DECL_SIGALTSTACK.
1823 (segv_handler): Use MC_FLD.
1824 * configure.ac: Check for a sigaltstack declaration.
1825 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1826 * configure: Regenerate.
1827 * config.in: Regenerate.
1829 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1832 * Makefile.in (stmp-fixinc): Fix typo.
1834 2006-06-02 Roger Sayle <roger@eyesopen.com>
1836 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1837 are type correct. Clean-up.
1838 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1839 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1841 2006-06-01 DJ Delorie <dj@redhat.com>
1843 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1844 shift, as we've disabled the "switch" insn that needs it.
1846 2006-06-01 Per Bothner <bothner@bothner.com>
1848 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1849 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1850 * c-ppoutput.c (cb_define): Don't increment line 0.
1852 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1854 * doc/invoke.texi: Add cpu_type power6.
1855 * config.gcc: Add cpu_type power6.
1856 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1857 to power5+ with Altivec.
1858 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1859 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1861 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1863 * config/avr/avr.h (SET_ASM_OP): Define.
1865 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1867 * config/bfin/bfin.c: Fix comment typos.
1869 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1872 * doc/install.texi: Document --enable-bootstrap and
1873 --disable-bootstrap.
1875 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1877 * doc/install.texi: Document that InfoZIP can replace jar.
1879 2006-05-31 Roger Sayle <roger@eyesopen.com>
1881 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1882 isn't available, directly generate the simpler x87 patterns without
1883 the (use (const_int 0)).
1884 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1885 implementation isn't available.
1886 (*negdf2_1): Likewise.
1887 (*negxf2_1): XF mode negation is always done using the x87.
1888 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1890 2006-05-31 Roger Sayle <roger@eyesopen.com>
1892 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1893 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1895 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1897 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1899 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1900 * config/bfin/bfin.c (basic-block.h): Include.
1901 (struct machine_function): New.
1902 (bfin_init_machine_status): New.
1903 (override_options): Initialize init_machine_status.
1904 (bfin_hardware_loop): New.
1905 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1906 (DEF_VEC_P (loop_info)): New.
1907 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1908 (struct loop_info): New.
1909 (loop_info): New typedef.
1910 (struct loop_work): New.
1911 (loop_work): New typedef.
1912 (DEF_VEC_O (loop_work)): New.
1913 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1914 (bfin_dump_loops): New.
1915 (bfin_bb_in_loop): New.
1916 (bfin_scan_loop): New.
1917 (bfin_optimize_loop): New.
1918 (bfin_reorg_loops): New.
1919 (bfin_reorg): Use bfin_reorg_loops.
1920 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1922 (I_REGNO_P): Simplify.
1923 (DP_REGNO_P, DPREG_P): New macros.
1924 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1925 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1926 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1927 Add LT_REGS, LC_REGS, LB_REGS.
1928 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1930 (REGNO_REG_CLASS): Deal with loop registers.
1931 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1933 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1934 New constants for loop registers.
1935 (UNSPEC_LSETUP_END): New.
1936 (seq_insns): New define_attr. Set it for appropriate insns.
1937 (movsi_insn): Add alternatives for move from/to
1938 loop count registers.
1939 (doloop_end): New define_expand.
1940 (loop_end): New define_insn.
1941 (define_split for bad doloop_end): New.
1942 (lsetup_with_autoinit): New define_insn.
1943 (lsetup_without_autoinit): New define_insn.
1944 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1945 * config/bfin/predicates.md (lc_register_operand): New.
1946 (lt_register_operand): New.
1947 (lb_register_operand): New.
1948 (nondp_register_operand): New.
1949 (nondp_reg_or_memory_operand): New.
1950 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1952 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1954 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1955 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1957 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1959 * Makefile.in (CATALOGS): Add po/ prefix.
1960 * configure: Regenerated.
1962 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1965 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1966 a shift operand before calling shift_op. Avoid redundant call of
1969 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1970 DJ Delorie <dj@redhat.com>
1972 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1973 we're inserting is a singlt-bit constant.
1975 2006-05-30 Roger Sayle <roger@eyesopen.com>
1977 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1978 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1980 2006-05-30 Roger Sayle <roger@eyesopen.com>
1982 PR tree-optimization/23452
1983 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1984 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1985 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1986 complex values and with -ffast-math for FP complex values.
1988 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1990 * c-common.h: Remove the prototype for yyparse.
1991 * rtl.h: Remove the prototype for init_loop.
1993 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1995 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1998 2006-05-30 Roger Sayle <roger@eyesopen.com>
2000 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2002 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2003 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2005 2006-05-30 Dirk Mueller <dmueller@suse.de>
2008 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2009 for CONSTANT_CLASS_P expresisons.
2011 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2014 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2016 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2018 PR tree-optimization/27779
2019 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2020 initial_condition instead of CHREC_LEFT.
2022 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2024 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2025 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2026 Make prototypes ISO C90.
2028 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2029 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2031 * see.c (see_analyze_one_def): Correct check.
2032 (see_get_extension_data): Check if extension is parallel.
2033 (see_get_extension_reg): Likewise.
2035 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2038 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2039 into register for (code == GTU).
2041 2006-05-29 Roger Sayle <roger@eyesopen.com>
2043 PR tree-optimization/24964
2044 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2045 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2046 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2047 abs(x)*abs(x) as x*x for scalar floating point modes.
2049 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2052 * lambda-code.c (perfect_nestify): Don't copy statements
2053 in the inner loop: move them to the inner loop header.
2055 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2058 * c-tree.texi: Document OpenMP directives and clauses.
2060 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2062 * varasm.c (globalize_decl): Fix indentation.
2064 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2067 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2068 pass_fre, pass_store_ccp, pass_copy_prop,
2069 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2070 pass_return_slot, pass_object_size, pass_lim,
2071 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2072 pass_loop_prefetch and pass_stdarg.
2074 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2076 * config/bfin/bfin.opt (mfdpic): New option.
2077 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2078 (EXTRA_MULTILIB_PARTS): Likewise.
2079 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2080 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2082 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2083 (CRT_CALL_STATIC_FUNCTION): New.
2084 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2086 (CRT_CALL_STATIC_FUNCTION): New.
2087 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2089 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2090 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2091 (initialize_trampoline): Changed to handle FD-PIC code generation.
2092 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2093 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2094 (override_options): Disallow -mid-shared-library -mfdpic combination.
2095 Can't do unaligned ops if FD-PIC.
2096 Turn off flag_pic if trying to generate non-id-shared-library
2097 non-fdpic code, since it's not supported.
2098 (bfin_assemble_integer): New function.
2099 (TARGET_ASM_INTEGER): Define.
2100 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2102 * config/bfin/crtn.s: Restore them.
2103 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2105 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2106 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2107 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2108 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2109 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2111 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2112 FDPIC_REGS and FDPIC_FPTR_REGS.
2113 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2114 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2115 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2116 (load_funcdescsi): New pattern.
2117 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2118 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2119 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2121 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2123 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2126 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2128 * tree-flow.h: Remove the prototype for add_type_alias.
2129 * tree-ssa-alias.c (add_type_alias): Remove.
2131 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2133 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2134 config/fr30/fr30.md, config/i386/i386-interix.h,
2135 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2136 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2137 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2138 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2139 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2140 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2141 Follow spelling conventions.
2142 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2143 Follow spelling conventions.
2145 2006-05-27 Richard Guenther <rguenther@suse.de>
2148 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2149 to produce a constant of value 1 of generic type.
2151 2006-05-27 Dirk Mueller <dmueller@suse.de>
2153 * cgraphunit.c (decide_is_function_needed): Fix wrong
2156 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2158 PR rtl-optimization/27661
2159 * reload.c (find_reloads): When reloading a VOIDmode constant
2160 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2161 use Pmode as mode of the reload register.
2163 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2165 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2166 is enabled at -O and above.
2168 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2171 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2174 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2177 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2178 for anonymous variables explicitly declared by front ends.
2180 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2182 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2183 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2184 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2185 ref-all pointers, run a finalization pass for them.
2186 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2187 (finalize_ref_all_pointers): New function.
2188 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2189 regular pointer type to a ref-all pointer type.
2190 (get_tmt_for): Return the special memory tag for ref-all pointers.
2192 2006-05-25 Richard Guenther <rguenther@suse.de>
2195 * fold-const.c (fold_binary): Do not look at the stripped
2196 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2198 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2200 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2201 for LT and GT if the computed range is effectively empty.
2203 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2206 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2207 mips_quad_format formats instead of ieee_single_format,
2208 ieee_double_format and ieee_quad_format formats, respectively.
2210 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2212 PR tree-optimization/27639
2213 PR tree-optimization/26719
2214 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2215 call to scev_probably_wraps_p.
2216 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2217 used_in_pointer_arithmetic_p, convert_step): Removed.
2218 (nowrap_type_p): New function.
2219 (scev_probably_wraps_p): Rewritten.
2220 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2221 chrec_convert if chrec_convert_aggressive might have been used.
2222 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2223 scev_direction): New functions.
2224 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2225 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2226 instead of convert_step.
2227 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2228 (convert_step): Declaration removed.
2229 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2231 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2233 * df-core.c: Added to header comments.
2234 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2235 df_ur_bb_info, df_urec_bb_info): Added comments.
2236 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2237 urec, ri problems): Fixed header comments.
2238 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2239 code from df_rd_transfer_function.
2241 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2243 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2244 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2245 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2247 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2249 * expr.c (undefined_operand_subword_p): New.
2250 (emit_move_multi_word): Do not generate move from undefined bits
2251 of a paradoxical subreg.
2253 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2255 PR rtl-optimization/27736
2256 * combine.c (replaced_rhs_value): New variable.
2257 (combine_instructions): Set it.
2258 (distribute_notes): When distributing a note in replaced_rhs_insn,
2259 check whether the value was used in replaced_rhs_value.
2261 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2264 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2265 add_referenced_var instead of add_referenced_tmp_var.
2266 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2267 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2269 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2270 tree_optimize_tail_calls_1): Use add_referenced_var.
2271 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2272 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2273 Use add_referenced_var.
2274 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2275 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2276 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2277 Use add_referenced_var.
2278 * tree-dfa.c (struct walk_state): Remove.
2279 (find_referenced_vars): Remove walk state and vars_found hash table.
2280 (make_rename_temp): Use add_referenced_var.
2281 (find_vars_r): Pass less parameters to add_referenced_var.
2282 (referenced_var_p): New. Is var in referenced_var hash table.
2283 (referenced_var_insert): Assert var isn't already in hash table.
2284 (add_referenced_var): Don't need walk_state parameter. Add var if it
2285 isn't already in the hash table.
2286 (add_referenced_tmp_var): Remove.
2287 (find_new_referenced_vars_1): Use add_referenced_var.
2288 * tree-ssa-pre.c (create_expression_by_pieces,
2289 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2290 Use add_referenced_var.
2291 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2292 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2293 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2295 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2296 vect_create_data_ref_ptr, vect_create_destination_var,
2297 vect_init_vector, vect_build_loop_niters,
2298 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2299 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2300 Use add_referenced_var.
2301 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2302 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2303 (add_referenced_var): Add prototype.
2304 * tree-ssa-structalias.c (get_constraint_for,
2305 intra_create_variable_infos): Use add_referenced_var.
2307 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2309 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2310 big-endian paradoxical subregs.
2311 * var-tracking.c (struct micro_operation_def): Document that,
2312 for modify micro operations, insn is the subsequent instruction.
2313 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2314 (var_reg_set, var_mem_set): ... new functions.
2315 (add_stores): Record subsequent insn.
2316 (compute_bb_dataflow): Use new functions for MO_USE.
2317 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2318 notes after the insn, and modify notes before the insn known
2319 to be the subsequent one.
2320 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2322 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2325 * config/i386/i386.c (ix86_expand_builtin): Use
2326 gen_sse3_monitor64 for TARGET_64BIT.
2328 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2330 PR rtl-optimization/26375
2331 PR rtl-optimization/26855
2332 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2334 (df_ru_bb_local_compute): Reversed statements and removed bogus
2335 comment explaining why they should be in wrong order.
2336 (df_ru_dump, df_rd_dump): Enhanced debug info.
2337 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2339 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2340 reaching uses and fixed space problem.
2342 2006-05-23 Jan Hubicka <jh@suse.cz>
2344 * cgraphunit.c (decide_is_function_needed): Also nested functions
2345 and functions declared inline can be optimized out at -O0.
2347 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2349 * doc/install.texi (Configuration): Remove reference to CrossGCC
2353 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2356 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2357 ix86_compare_emitted is non-NULL.
2359 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2362 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2365 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2367 PR rtl-optimization/25514
2368 * combine.c (replaced_rhs_insn): New variable.
2369 (combine_instructions): Set replaced_rhs_insn when trying to replace
2370 a SET_SRC with a REG_EQUAL note.
2371 (distribute_notes): Use replaced_rhs_insn when determining the live
2372 range of a REG_DEAD register.
2374 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2375 Anatoly Sokolov <aesok@post.ru>
2377 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2378 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2379 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2380 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2381 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2382 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2383 at90usb647, at90usb1286 and at90usb1287 devices.
2384 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2385 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2387 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2389 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2391 2006-05-22 Richard Guenther <rguenther@suse.de>
2394 2006-01-31 Richard Guenther <rguenther@suse.de>
2395 Paolo Bonzini <bonzini@gnu.org>
2397 * doc/install.texi (--disable-libgcc-math): Document.
2399 2006-05-22 Richard Guenther <rguenther@suse.de>
2402 2006-01-31 Richard Guenther <rguenther@suse.de>
2404 * doc/invoke.texi (-msselibm): Document.
2405 * target.h (expand_library_builtin): New target hook.
2406 * builtins.c (expand_builtin): Use expand_library_builtin.
2407 (default_expand_library_builtin): New function.
2408 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2409 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2410 (link_gcc_math_spec): Declare.
2411 (static_specs): Add link_gcc_math_spec.
2412 * expr.h (default_expand_library_builtin): Declare.
2413 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2414 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2415 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2416 * config/i386/i386.opt (msselibm): New target option.
2417 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2418 (ix86_init_sse_abi_builtins): New function.
2419 (ix86_expand_library_builtin): Likewise.
2420 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2421 (override_options): Handle error conditions wrt -msselibm.
2422 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2423 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2424 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2427 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2430 * c-common.c (self_promoting_args_p): Skip erroneous args.
2433 * c-decl.c (finish_struct): Skip erroneous fields.
2435 2006-05-22 Nick Clifton <nickc@redhat.com>
2437 * config/cris/cris.opt (march): Remove VarExists attribute.
2438 (max-stackframe=): Likewise.
2440 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2442 * doc/rtl.texi: Fix a typo.
2443 * see.c: Fix comment typos.
2445 * tree-ssa-structalias.h (alias_info): Remove num_references.
2447 2006-05-21 Mike Stump <mrs@apple.com>
2449 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2451 (darwin_pragma_options): Use BAD instead.
2452 (darwin_pragma_unused): Likewise.
2453 (darwin_pragma_ms_struct): Likewise.
2455 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2457 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2459 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2461 PR rtl-optimization/27671
2462 * simplify-rtx.c (simplify_relational_operation_1): Fix
2463 simplifications of (eq/ne (xor x y) y) and
2464 (eq/ne (xor x y) x).
2466 PR tree-optimization/26622.
2467 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2470 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2472 * tree-cfg.c: Prune whitespace.
2473 (debug_tree_cfg): Point to correct header containing the
2476 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2479 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2481 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2484 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2485 or sorry count is non zero.
2487 2006-05-20 Andreas Schwab <schwab@suse.de>
2489 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2491 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2492 Kenneth Zadeck <zadeck@naturalbridge.com>
2494 PR rtl-optimization/26855
2496 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2498 (df_scan_alloc): Added code to properly handle multiword hard
2499 registers and add all_blocks parameter.
2500 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2501 code to properly handle multiword hard registers.
2502 (df_rescan_blocks): Added code to remove deleted blocks from
2504 (df_ref_create_structure, df_ref_record): Added code to properly
2506 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2507 and set DF_REF_PARTIAL.
2508 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2509 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2510 (df_scan_add_problem): Added flags parameter.
2511 (df_ref_create_structure): Changed switching structure.
2512 (df_bb_refs_record): Fixed case where duplicate artificial refs
2513 were created. Changed location of flags.
2514 (df_record_entry_block_defs): Added code to make stack pointer
2515 live in entry block. Refined cases where frame pointer is needed.
2516 Changed location of flags.
2517 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2518 (df_set_state): Removed function.
2519 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2520 df_insn_create_insn_record, df_insn_refs_delete,
2521 df_ref_create_structure): Formatting changes.
2522 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2523 df_delete_basic_block): New function.
2524 (df_init): Changed location of flags.
2525 (df_add_problem): Added flags parameter and the way flags are
2527 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2528 debug_df_chain): Improved debugging output.
2529 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2530 (df_refs_chain_dump): Removed df parameter.
2531 (df_iterative_dataflow): Added consistency check.
2532 (df_prune_to_subcfg): Made public.
2533 (df_analyze_problem): Added blocks_to_init parameter and made
2535 (df_ref_record, df_bb_refs_record, df_mark_reg,
2536 df_record_exit_block_uses): Whitespace changes.
2537 (df_dump): Whitespace changes.
2538 * df.h: Some reordering to remove forward references.
2539 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2540 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2541 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2542 (dataflow.flags): New field.
2543 (df.flag): Deleted field.
2544 (df_alloc_function): Added additional bitmap parameter.
2545 (df_dependent_problem_function): New type.
2546 (df_problem.changeable_flags): New field.
2547 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2548 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2549 (df_mw_hardreg): New struct.
2550 (DF_INSN_UID_MWS): New macro.
2551 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2553 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2554 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2555 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2556 (df_set_state): Removed function.
2557 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2558 * df-problems.c (df_chain_dump): Removed df parameter.
2559 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2560 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2562 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2563 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2564 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2565 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2566 DF_REF_MUST_CLOBBER cases.
2567 (df_ru_bb_local_compute_process_def,
2568 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2569 df_lr_bb_local_compute, df_ur_bb_local_compute,
2570 df_chain_create_bb): Made subreg aware.
2571 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2572 df_lr_bb_local_compute, df_lr_bb_local_compute,
2573 df_chain_create_bb): Cleanup to use proper macros.
2574 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2575 code to fixup bitvectors.
2576 (df_ri_alloc): Cleared lifetime.
2577 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2578 df_create_unused_note): New function.
2579 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2580 REG_DEAD and REG_UNUSED notes as well as register information.
2581 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2582 df_chains_dump): Fixed crash if problem was never run.
2583 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2584 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2585 df_ri_add_problem): Processes flags in uniform manner.
2586 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2587 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2588 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2589 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2590 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2591 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2592 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2593 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2594 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2595 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2596 * see.c (see_initialize_data): Ditto.
2597 * final.c (rest_of_clean_state) Added regstack_completed.
2598 * rtl.h (regstack_completed): Ditto.
2599 * reg-stack.c (regstack_completed): Ditto.
2601 2006-05-19 Mike Stump <mrs@apple.com>
2603 * c-tree.h (default_conversion): Remove.
2604 * c-common.h (default_conversion): Add.
2606 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2608 * tree-vrp.c (valid_value_p): New function.
2609 (adjust_range_with_scev): Fail if the value of bound is not
2612 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2614 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2615 (mips_fallback_frame_state): Use syscall numbers to determine
2616 the appropriate li instruction for the current ABI. Only use
2617 __NR_sigreturn for o32.
2619 2006-05-19 Nicolas Setton <setton@adacore.com>
2621 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2622 * langhooks.c (lhd_dwarf_name): New function.
2623 * langhooks-def.h (lhd_dwarf_name): Declare.
2624 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2625 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2626 * ada/misc.c (gnat_dwarf_name): New function.
2627 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2629 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2631 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2633 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2634 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2635 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2636 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2637 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2638 determine the size of Wtype, etc.
2639 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2640 (swfloatfuncs): New variable.
2641 (dwfloatfuncs): Likewise.
2642 (lib2funcs): Remove floating-point conversion functions from
2643 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2644 the set of conversion routines needed. Allow entries to specify
2645 an object name, filename and word size. Update users accordingly.
2646 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2647 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2651 2006-02-08 Roger Sayle <roger@eyesopen.com>
2654 * config/fixtfdi.c: New libgcc source file.
2655 * config/fixunstfdi.c: New source file.
2656 * config/floatditf.c: New source file.
2657 * config/floatunditf.c: New souce file.
2658 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2659 files above instead of config/mips/_tilib.c.
2660 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2662 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2664 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2665 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2667 2006-05-18 Mike Stump <mrs@apple.com>
2669 Fix up vla, vm and [*] sematics.
2675 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2676 (c_vla_unspec_p): Add.
2677 (c_vla_type_p): Add.
2678 * c-decl.c (struct c_scope): Add had_vla_unspec.
2679 (build_array_declarator): Add support for [*].
2680 (grokdeclarator): Likewise.
2681 (grokparms): Likewise.
2682 (get_parm_info): Likewise.
2683 * c-objc-common.c (c_vla_unspec_p): Likewise.
2684 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2685 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2686 typeof when argument is a variably modified type not inside sizeof or alignof.
2687 (c_parser_direct_declarator_inner): Propagate errors.
2688 (c_parser_sizeof_expression): Add support for [*].
2689 (c_parser_parms_declarator): Initialize had_vla_unspec.
2690 (c_parser_parms_list_declarator): Likewise.
2691 * c-typeck.c (c_vla_type_p): Add.
2692 (composite_type): Add support for vla compositing.
2693 (comptypes_internal): Add support for vla compatibility.
2694 (c_expr_sizeof_expr): Evaluate vla arguments.
2695 * tree.c (variably_modified_type_p): Update comment for [*].
2697 2006-05-18 Michael Matz <matz@suse.de>
2700 * config.host: Make assignments to host_xmake_file cumulative.
2701 * config.host (*-darwin*): Test $host, not $target.
2703 2006-05-12 Stuart Hastings <stuart@apple.com>
2705 * config/i386/i386.opt (-mstackrealign): New flag.
2706 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2707 (ix86_handle_cconv_attribute): Emit error when
2708 force_align_arg_pointer attribute collides with too many regparms.
2709 (ix86_function_regparm): Limit regparms when used with
2710 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2711 Support stack-realigning prologue in non-main functions. Emit
2712 warning for nested functions under -mstackrealign, emit error for
2713 nested functions with force_align_arg_pointer attribute.
2714 * doc/extend.texi (force_align_arg_pointer): Document it.
2715 * doc/invoke.texi (-mstackrealign): Document it.
2717 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2719 PR rtl-optimization/27477
2720 * combine.c (try_combine): Don't split a parallel consisting
2721 of two sets into two individual sets if both sets reference
2724 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2726 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2727 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2729 * doc/options.texi (VarExists): Updated.
2731 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2733 * unwind-dw2.c: Add declarations for uw_update_context and
2735 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2736 detected, advance frame state and context once to skip over stub.
2738 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2742 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2743 Call rewrite_into_loop_closed_ssa only when something changed.
2744 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2745 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2746 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2747 Test for perfect_nest_p here. Fix formating.
2748 (replace_uses_equiv_to_x_with_y): Fix formating.
2749 (stmt_uses_op): Removed.
2750 (can_convert_to_perfect_nest): Removed loopivs parameter.
2751 Complete the test by checking the scalar dependences.
2752 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2755 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2758 From Dan Kegel <dank@kegel.com>:
2759 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2761 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2763 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2764 if the element type is variably modified without recursing.
2766 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2769 * tree-loop-linear.c (try_interchange_loops): Test for
2770 no data dependences.
2772 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2774 PR tree-optimization/27548
2775 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2776 range of ssa names that appear on abnormal edges.
2777 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2778 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2780 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2783 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2785 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2788 * tree.h (OMP_PARALLEL_COMBINED): Define.
2789 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2790 (new_omp_context): Add is_combined_parallel argument.
2791 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2792 new_omp_context caller.
2793 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2794 Adjust gimplify_scan_omp_clauses callers.
2795 (omp_is_private): Issue errors if iteration variable is firstprivate
2796 or reduction in the current context.
2797 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2798 on combined parallel workshare constructs.
2800 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2802 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2803 (gcc-options.o): New rule.
2805 * optc-gen.awk: Protect variables for gcc-options.o with
2806 #ifdef GCC_DRIVER/#endif.
2808 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2810 Fix PR tree-optimization/27373
2811 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2812 (forward_propagate_addr_expr): Update call.
2814 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2816 * doc/options.texi: Move the Negative option.
2818 2006-05-16 Richard Guenther <rguenther@suse.de>
2820 PR tree-optimization/22303
2821 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2823 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2824 ccp_fold did not simplify the statement.
2826 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2829 * Makefile.in (GCC_OBJS): New.
2830 (OBJS-common): Add opts-common.o.
2831 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2832 (cpp$(exeext)): Likewise.
2833 (gcc.o): Also depend on opts.h.
2834 (opts-common.o): New.
2836 * common.opt (gcoff): Add Negative(gdwarf-2).
2837 (gdwarf-2): Add Negative(gstabs).
2838 (gstabs): Add Negative(gstabs+).
2839 (gstabs+): Add Negative(gvms).
2840 (gvms): Add Negative(gxcoff).
2841 (gxcoff): Add Negative(gxcoff+).
2842 (gxcoff+): Add Negative(gcoff).
2843 * config/i386/i386.opt (m32): Add Negative(m64).
2844 (m64): Add Negative(m32).
2846 * doc/options.texi: Document the Negative option.
2848 * gcc.c: Include "opts.h".
2849 (main): Call prune_options after expandargv.
2851 * optc-gen.awk: Generate common declarations for all flag
2852 variables in options.c. Output the neg_index field.
2854 * opts.c (find_opt): Moved to ...
2855 * opts-common.c: Here. New file.
2857 * opts.h (cl_option): Add a neg_index field.
2859 (prune_options): Likewise.
2861 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2864 * omp-low.c (expand_omp_parallel): Don't assert
2865 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2866 instead search for it.
2869 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2872 2006-05-16 Andreas Schwab <schwab@suse.de>
2874 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2877 2006-05-15 Roger Sayle <roger@eyesopen.com>
2880 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2881 integer constants other than zero are only legitimate on TARGET_64BIT.
2882 <CONST_VECTOR> Only zero vectors are legitimate.
2883 (ix86_cannot_force_const_mem): Integral and vector constants can
2884 always be put in the constant pool.
2886 2006-05-16 DJ Delorie <dj@redhat.com>
2888 * crtstuff.c (__dso_handle): Set section from
2889 TARGET_LBIGCC_SDATA_SECTION if defined.
2890 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2891 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2893 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2896 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2899 2006-05-16 Ben Elliston <bje@au.ibm.com>
2901 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2903 2006-05-15 Per Bothner <per@bothner.com>
2905 * tree.c: (last_annotated_node): Use source_locus typedef.
2906 This permits bootstrapping with --enable-mapped-location.
2908 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2910 PR tree-optimization/26830
2911 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2912 (info_for_ssa_name, current_info_for_ssa_name_age,
2913 blocks_to_update): New variables.
2914 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2915 (clear_ssa_name_info, initialize_flags_in_bb,
2916 mark_block_for_update): New functions.
2917 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2918 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2919 prepare_def_site_for): Use mark_block_for_update.
2920 (mark_def_interesting): Assert that the processed block is marked in
2921 blocks_to_update. Do not take blocks argument.
2922 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2924 (rewrite_update_init_block, rewrite_update_stmt): Only process
2925 blocks with statements to rewrite.
2926 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2927 (update_ssa): Initialize and free blocks_to_update. Do not
2928 clear flags on statements. Do not use blocks bitmap.
2929 * tree.h (SSA_NAME_AUX): Removed.
2930 (struct tree_ssa_name): Removed aux field.
2931 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2933 2006-05-15 Richard Guenther <rguenther@suse.de>
2935 PR tree-optimization/27603
2936 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2937 Do computations in original type.
2939 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2941 * see.c: Code style changes such as redundant paranthesis,
2942 redundant intialization of local variables etc.
2943 (see_main): Declared now as static.
2944 * doc/invoke.texi: Update that -fsee is not enabled by
2947 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2949 * omp-low.c (check_omp_nesting_restrictions): New function.
2950 (scan_omp_1): Call it.
2953 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2954 construct, return *VAR.
2956 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2958 PR rtl-optimization/27406
2959 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2962 2006-05-14 Roger Sayle <roger@eyesopen.com>
2964 PR rtl-optimization/27538
2965 * combine.c (expand_compound_operation): Call gen_lowpart
2966 before calling simplify_shift_const.
2968 2006-05-14 Roger Sayle <roger@eyesopen.com>
2970 PR rtl-optimization/22563
2971 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2972 a fixed width bitfield, always force the intermediates into psuedos.
2974 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2977 * mkconfig.sh: Use operator = instead of == for test.
2979 2006-05-13 Nick Clifton <nickc@redhat.com>
2981 * dwarf2out.c (dbx_reg_number): Check return value from
2982 LEAF_REG_REMAP and only use it if it is valid.
2983 (multiple_reg_loc_descriptor): Likewise.
2985 2006-05-13 Richard Guenther <rguenther@suse.de>
2987 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2990 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2992 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2993 information attached to non-INSNs such as NOTEs.
2994 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2996 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2998 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3000 * config/s390/s390.md: Adjust comment describing On constraint.
3002 2006-05-11 Jan Hubicka <jh@suse.cz>
3004 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3005 to be output at -O0.
3007 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3010 * fold-const.c (size_binop): Move sanity check for arguments to
3011 the beginning of the function.
3014 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3017 2006-05-11 Richard Guenther <rguenther@suse.de>
3020 * fold-const.c (fold_unary): Handle intermediate conversion
3021 to a pointer type like intermediate conversion to an integer
3022 type in folding of (T1)(T2)var to var.
3023 Match the code to the comment in the final conversion for
3024 (T1)(T2)var to (T1)var regarding to type precision. Rather
3025 than disallow T1 being of pointer type, assert that both T1
3026 and var are of pointer type or not. Make sure not to fall
3027 over the frontends lazyness wrt array to pointer decay though.
3029 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3031 * arm.c (arm_struct_value_rtx): Delete.
3032 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3033 (arm_init_cumulative_args): Always initialize nregs to zero.
3035 2006-05-10 Richard Guenther <rguenther@suse.de>
3037 PR tree-optimization/27532
3038 * tree-object-size.c (plus_expr_object_size): Fix typo.
3040 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3043 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3044 ashrdi_const, ashrdi3): Use a scratch register.
3046 2006-05-10 Richard Guenther <rguenther@suse.de>
3048 PR tree-optimization/27302
3049 * fold-const.c (operand_equal_p): For two comparisons,
3050 try comparison of one comparison code swapped if that yields
3053 2006-05-10 Ben Elliston <bje@au.ibm.com>
3055 * tree-pretty-print.c (pretty_print_string): No need to handle
3056 '\0' as a special character.
3058 * tree.h: Include "hashtab.h".
3059 (iterative_hash_expr): Use hashval_t in its prototype.
3060 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3062 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3065 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3066 (hppa*64*-*-hpux11*): Ditto.
3067 (hppa[12]*-*-hpux11*): Ditto.
3069 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3072 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3074 2006-05-09 Michael Matz <matz@suse.de>
3076 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3077 host_extra_gcc_objs and host_xmake_file.
3078 (<*-*-linux*>): Don't overwrite host_xmake_file.
3079 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3080 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3081 (host_detect_local_cpu): Declare.
3082 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3083 * config/i386/i386.c (override_options): Handle -mtune=native
3085 * config/i386/x-i386: New file.
3086 * config/i386/driver-i386.c: New file.
3087 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3090 2006-05-09 Dirk Mueller <dmueller@suse.de>
3091 Richard Guenther <rguenther@suse.de>
3094 * fold-const.c (fold_read_from_constant_string): Relax check
3095 for matching types to matching modes.
3097 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3099 PR rtl-optimization/27335
3100 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3103 2006-05-08 Chao-ying Fu <fu@mips.com>
3104 Richard Sandiford <richard@codesourcery.com>
3106 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3107 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3108 * config/mips/mips.md (UNSPEC_SCC): New constant.
3109 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3110 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3111 (mips_emit_compare): Use it.
3112 (mips_expand_vcondv2sf): New function.
3114 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3116 Fix PR tree-optimization/27093
3117 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3118 renaming when they become not-used_alone.
3120 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3122 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3123 relocation and relocation stubs.
3125 2006-05-08 Eric Christopher <echristo@apple.com>
3127 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3130 2006-05-08 Jan Hubicka <jh@suse.cz>
3133 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3134 unused static functions are needed.
3136 2006-05-08 Roger Sayle <roger@eyesopen.com>
3139 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3140 of a reg_equiv_constant if the result is a legitimate constant.
3142 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3145 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3146 standard 80387 constants, raise the cost to prevent
3147 compress_float_constant() to generate load from memory.
3149 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3151 * config/arm/constraints.md (c): Fix a typo.
3153 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3156 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3159 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3161 (_mm_mwait): Likewise.
3163 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3165 (sse3_monitor): Make it 32bit only.
3166 (sse3_monitor64): New. 64bit monitor.
3168 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3171 * config/i386/i386.c (classify_argument): Skip fields with invalid
3174 2006-05-07 Richard Guenther <rguenther@suse.de>
3176 PR tree-optimization/27409
3177 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3178 Do not try to find zero-sized subvars.
3180 2006-05-07 Richard Guenther <rguenther@suse.de>
3182 PR tree-optimization/27136
3183 * tree-ssa-loop-niter.c (get_val_for): Correct function
3184 comment, assert requirements.
3185 (loop_niter_by_eval): Stop processing if the iterated
3186 value did not simplify.
3188 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3190 * opts.c (flag_see): remove its setting at -O3.
3192 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3194 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3195 * arm/constraints.md: New file.
3196 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3197 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3198 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3199 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3200 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3201 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3202 * arm.md: Include constraints.md.
3203 (thumb_movsi_insn): Use satisfies_constraint_J.
3204 (movhi, movqi): Use satisfies_constraint_I.
3206 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3208 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3209 for atmeg a645 device.
3211 2006-05-06 Richard Guenther <rguenther@suse.de>
3213 PR tree-optimization/27151
3214 * tree-vect-transform.c (vectorizable_condition): Punt on
3215 values that have a different type than the condition.
3217 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3220 * c-parser.c (c_parser_cast_expression): Only insert casts into
3221 hash table if pointer.
3222 * function.c (used_types_insert_helper): Rename from
3224 (used_types_insert): Call used_types_insert_helper.
3225 * function.h (used_types_insert): Accept only one argument.
3227 2006-05-05 David Edelsohn <edesohn@gnu.org>
3229 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3230 scratch with output modifier.
3232 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3235 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3236 with output modifier.
3238 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3241 * config/mips/mips.c (mips_symbolic_address_p): Return true
3242 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3243 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3245 2006-05-04 Richard Guenther <rguenther@suse.de>
3247 PR tree-optimization/14287
3248 PR tree-optimization/14844
3249 PR tree-optimization/19792
3250 PR tree-optimization/21608
3251 PR tree-optimization/27090
3252 * tree-ssa-pre.c (try_combine_conversion): New function.
3253 (compute_avail): After constructing the value-handle
3254 expression, use try_combine_conversion to combine NOP_EXPRs
3255 with previous value-handle expressions and use the result if it
3258 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3260 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3262 2006-05-04 Jan Hubicka <jh@suse.cz>
3265 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3267 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3269 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3270 that this only matches CONST_INTs. All users changed to VOIDmode
3273 * config/bfin/bfin.c: Include "optabs.h".
3274 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3276 (enum bfin_builtins): Add a number of fractional and vector builtins.
3277 (bfin_init_builtins): Likewise.
3278 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3279 (safe_vector_operand, bfin_expand_binop_builtin,
3280 bfin_expand_unop_builtin): New functions.
3281 (bfin_expand_builtin): Handle the new builtins.
3282 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3285 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3288 * Makefile.in (OBJS-common): Add see.o.
3289 (see.o): Add dependencies.
3290 * common.opt (fsee): New flag for the see optimization was added.
3291 * opts.c (flag_see): Initialized.
3292 * passes.c (init_optimization_passes, pass_see): New pass.
3293 * rtl.h (see_main): Declaration as extern.
3294 * timevar.def (TV_SEE): New.
3295 * tree-pass.h (pass_see): Declaration as extern.
3296 * invoke.texi (-fsee): Document.
3297 * recog.c (validate_simplify_insn): New function.
3298 * recog.h (validate_simplify_insn): Declaration as extern.
3299 * df-problems.c (df_chain_dump): Check for NULL.
3301 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3302 Daniel Berlin <dberlin@dberlin.org>
3304 * cfgrtl.c (insert_insn_bb_end_new): New function.
3305 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3307 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3309 * df.h (struct web_entry): Moved from web.c.
3310 (union_defs): Declaration as extern.
3311 (unionfind_root): Likewise.
3312 (unionfind_union): Likewise.
3313 * web.c (struct web_entry): Moved to df.h.
3314 (unionfind_root): Remove static declaration.
3315 (unionfind_union): Likewise.
3316 (union_defs): Likewise and generalize to use callback function.
3317 (web_main): Update arguments for union_defs function call.
3319 2006-05-04 Richard Guenther <rguenther@suse.de>
3321 PR tree-optimization/26447
3322 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3323 produce SSA_NAME copies before the store stmt to avoid
3324 breaking exception handling.
3326 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3329 * gimplify.c (omp_is_private): If var is shared in some outer context,
3330 return false instead of true. Stop searching on parallel context
3333 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3336 * coverage.c: Use get_gcov_unsigned_t() instead of
3337 unsigned_type_node all over.
3339 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3341 PR tree-optimization/27381
3342 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3343 maintain the same immediate_use links.
3344 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3345 node rather than segfaulting.
3347 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3350 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3351 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3352 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3354 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3356 Fix PR tree-optimization/26626
3357 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3359 * tree-ssa-operands.c (access_can_touch_variable): Allow
3360 typecasting through union pointers.
3362 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3365 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3366 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3367 to find if var will be a global variable even in the nested context.
3368 (omp_copy_decl): Only check for global variable at the end, it might
3369 be overridden in outer contexts.
3370 (scan_sharing_clauses): For global variables don't create a field.
3371 (lower_rec_input_clauses): Do nothing for global shared variables.
3372 Emit a barrier at the end of ILIST if there were any decls in both
3373 firstprivate and lastprivate clauses.
3374 (lower_send_clauses): Do nothing for global variables except for
3377 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3379 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3380 of the correct signedness is returned.
3382 2006-05-02 Jeff Law <law@redhat.com>
3384 PR tree-optimization/27364
3385 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3386 multiply expressions.
3388 2006-05-02 Tom Tromey <tromey@redhat.com>
3390 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3392 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3395 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3396 -mthumb -fPIC are used.
3398 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3399 Joshua Kinard <kumba@gentoo.org>
3402 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3403 with 64-bit pointers.
3405 2006-05-02 Paul Brook <paul@codesourcery.com>
3407 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3409 (create_fix_barrier): Check that a suitable barrier location is
3411 (arm_reorg): Include ftmp->address in allowable range of addresses.
3413 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3416 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3419 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3422 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3423 around RESULT_DECL for result passed by reference.
3424 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3425 * omp-low.c (use_pointer_for_field): Don't look at
3426 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3427 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3428 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3429 time or var for passing by reference for
3430 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3431 TREE_ADDRESSABLE variables when passing by reference.
3433 * omp-low.c (dump_omp_region): Fix output formatting.
3436 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3437 (expand_omp_parallel): Likewise.
3438 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3441 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3442 on statement list containing also constructors and destructors.
3443 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3446 * except.c (duplicate_eh_regions): Fix clearing of
3447 cfun->eh->region_array entries.
3449 2006-05-01 DJ Delorie <dj@redhat.com>
3451 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3453 (gcc_cv_objdump): Likewise.
3454 * configure: Regenerated.
3456 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3459 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3460 templates for case 3 and 4.
3462 2006-05-01 DJ Delorie <dj@redhat.com>
3464 * vec.c: Include bconfig.h when appropriate.
3465 * Makefile.in (build/vec.o): Adjust dependencies.
3466 * mkconfig.sh: Make sure config.h isn't used for build machine
3469 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3471 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3473 (mark_phi_for_rewrite): New function.
3474 (insert_phi_nodes_for, mark_use_interesting): Call
3475 mark_phi_for_rewrite.
3476 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3477 (update_ssa): Initialize and free phis_to_rewrite.
3479 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3481 PR rtl-optimization/27291
3482 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3483 folded to a constant.
3485 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3487 PR tree-optimization/27283
3488 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3489 not whole # of iteration descriptions.
3490 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3491 uses abnormal ssa name.
3492 (niter_for_single_dom_exit): Ditto.
3493 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3494 return just the number of iterations.
3496 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3498 PR tree-optimization/27144
3499 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3500 (record_estimate): Only record constant upper bound.
3501 (infer_loop_bounds_from_undefined): Call
3502 compute_estimated_nb_iterations just once.
3503 (proved_non_wrapping_p): Renamed to ...
3504 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3505 (convert_step_widening, scev_probably_wraps_p): Call
3506 n_of_executions_at_most instead of proved_non_wrapping_p.
3507 (substitute_in_loop_info): Do not replace values in bounds.
3508 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3511 2006-05-01 Richard Henderson <rth@redhat.com>
3514 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3515 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3518 2006-05-01 Roger Sayle <roger@eyesopen.com>
3520 * c-typeck.c (parser_build_binary_op): Don't call the function
3521 unsigned_conversion_warning to spot operand/result type overflow.
3522 (build_binary_op): Instead, call convert_and_check instead of
3523 convert to report the problem when the operands are promoted.
3524 * c-common.c (unsigned_conversion_warning): Make static.
3525 * c-common.h (unsigned_conversion_warning): Delete prototype.
3527 2006-05-01 Richard Guenther <rguenther@suse.de>
3529 PR tree-optimization/26726
3530 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3532 (find_interesting_uses_address): ... we work around here
3533 by folding INDIRECT_REFs in the substituted base.
3535 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3537 * omp-low.c (dump_omp_region): Add newlines.
3539 2006-04-30 Roger Sayle <roger@eyesopen.com>
3541 * common.opt (Woverflow): New command line option.
3542 * c-common.c (constant_expression_warning): Check warn_overflow.
3543 (overflow_waring): Pass OPT_Woverflow to warning.
3544 (unsigned_conversion_warning): Likewise.
3545 (convert_and_check): Likewise.
3546 * doc/invoke.texi: Document new command line option.
3548 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3550 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3551 TARGET_NO_FP_IN_TOC for section anchors.
3552 (optimization_options): Enable section anchors for all
3553 non-"Objective" languages.
3555 2006-04-28 Eric Christopher <echristo@apple.com>
3557 * config/darwin-c.c (darwin_ms_struct): Move this
3558 (darwin_set_default_type_attributes): and this...
3559 * config/darwin.c: ... here.
3560 * config/darwin.h (darwin_ms_struct): Declare.
3562 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3564 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3566 2006-04-28 Roger Sayle <roger@eyesopen.com>
3569 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3570 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3571 an unsigned HOST_WIDE_INT.
3572 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3574 (really_start_incremental_init): No need to call convert because
3575 bitsize_zero_node is already of type bitsizetype.
3576 (push_init_level): Extract the value of constructor_index as an
3577 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3578 (process_init_element): Likewise.
3580 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3582 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3583 value before passing to make_relative_prefix.
3585 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3588 * builtins.c (expand_builtin_memset): Expand val in original mode.
3590 2006-04-27 Eric Christopher <echristo@apple.com>
3592 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3593 with #ifndef/#endif.
3594 * config/darwin-c.c (darwin_ms_struct): New.
3595 (darwin_pragma_ms_struct): Ditto.
3596 (darwin_set_default_type_attributes): Ditto.
3597 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3598 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3599 Register ms_struct pragma.
3600 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3601 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3602 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3603 darwin_set_default_type_attributes if TARGET_MACHO.
3605 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3607 PR tree-optimization/26854
3608 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3609 * doc/tree-ssa.texi: Update immuse iterator documentation.
3610 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3611 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3612 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3613 first_safe_imm_use, next_safe_imm_use): Remove.
3614 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3615 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3616 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3617 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3618 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3619 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3620 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3621 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3622 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3623 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3624 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3625 (perfect_nestify): Use new iterator.
3626 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3628 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3629 (next_imm_name): New field in struct immediate_use_iterator_d.
3630 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3631 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3632 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3633 * tree-cfg.c (replace_uses_by): Use new iterator.
3634 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3635 * tree-ssa-operands.c (correct_use_link): Remove.
3636 (finalize_ssa_use_ops): No longer call correct_use_link.
3638 2006-04-27 Stuart Hastings <stuart@apple.com>
3640 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3641 * config/t-darwin (crt3.o): Use it.
3642 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3643 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3644 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3645 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3646 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3649 2006-04-27 Roger Sayle <roger@eyesopen.com>
3651 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3652 size, force the intermediate into a new pseudo rather instead of
3653 performing both a bitwise AND and a bitwise IOR in memory.
3655 2006-04-27 Richard Guenther <rguenther@suse.de>
3657 PR rtl-optimization/26685
3658 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3659 this one "max-flow-memory-locations".
3661 2006-04-27 Richard Guenther <rguenther@suse.de>
3663 PR tree-optimization/25148
3664 * tree-vrp.c (compare_values): Remove code dealing with
3665 comparisons against type min/max value. Honour overflow
3666 and negative constants in code dealing with comparisons
3667 of plus and minus expressions.
3668 (value_inside_range): Use fold_binary with LE_EXPR and
3669 GE_EXPR rather than compare_values.
3671 2006-04-27 Dirk Mueller <dmueller@suse.de>
3673 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3676 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3678 * basic-block.h (safe_insert_insn_on_edge): Removed.
3679 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3681 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3682 Paolo Bonzini <bonzini@gnu.org>
3685 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3686 (simplify_and_const_int): Same.
3688 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3690 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3692 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3695 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3696 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3697 cgraph_global_info_ready.
3700 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3703 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3704 either decl or init is error_mark_node.
3707 * tree-flow.h (struct omp_region): Add sched_kind.
3708 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3709 instead of extracting omp for data.
3710 (expand_omp_for): Save extracted sched_kind.
3712 2006-04-25 Roger Sayle <roger@eyesopen.com>
3714 * expmed.c (store_bit_field): Also check whether the bitsize is
3715 valid for the machine's "insv" instruction before moving the
3716 target into a pseudo for use with the insv.
3717 * config/i386/predicates.md (const8_operand): New predicate.
3718 * config/i386/i386.md (extv, extzv, insv): Use the new
3719 const8_operand predicate where appropriate.
3721 2006-04-25 DJ Delorie <dj@redhat.com>
3723 * doc/install.texi (Specific): Clarify that this is not a list of
3724 supported hosts or targets.
3726 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3728 PR rtl-optimization/26725
3729 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3730 block's BB_DIRTY flag.
3732 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3734 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3737 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3738 to print an integer.
3740 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3742 * varasm.c (align_variable): New function.
3743 (get_block_for_decl): Apply align_variable to DECL before
3744 calculating section information.
3745 (assemble_variable): Split out alignment computation.
3747 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3749 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3752 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3754 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3755 MODE_PARTIAL_INT mode.
3756 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3757 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3759 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3760 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3762 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3764 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3766 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3767 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3768 MACFLAG_IH): Likewise.
3769 (movstricthi_1): Renamed from "*movstricthi".
3770 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3771 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3772 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3773 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3774 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3775 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3776 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3777 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3778 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3779 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3780 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3781 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3782 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3783 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3784 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3786 * doc/rtl.texi (ss_ashift): Improve wording.
3788 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3790 * dwarf2out.c (verify_marks_clear): New.
3791 (prune_unused_types): Call verify_marks_clear initially, not
3794 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3796 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3797 * doc/rtl.texi: Document them.
3798 * simplify-rtx.c (simplify_unary_operation,
3799 simplify_binary_operation_1): Don't abort when we see them.
3801 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3804 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3805 * configure.ac: Completely disregard languages that are not
3807 * configure: Regenerated.
3809 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3810 Richard Guenther <rguenther@suse.de>
3812 PR tree-optimization/27236
3813 * tree-inline.c (copy_body_r): Make sure to copy
3814 TREE_THIS_VOLATILE flag.
3816 2006-04-24 Richard Guenther <rguenther@suse.de>
3819 * tree-complex.c (update_parameter_components): Don't handle
3820 unused parameters which have no default def.
3822 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3823 Richard Guenther <rguenther@suse.de>
3825 PR tree-optimization/27218
3826 * tree-inline.c (expand_call_inline): Strip useless type
3827 conversions for the return slot address.
3829 2006-04-24 Richard Guenther <rguenther@suse.de>
3831 * cfgloop.h (struct loops): Remove unused field array. Reorder
3833 (LOOP_PREFETCH): Remove.
3835 2006-04-24 Richard Guenther <rguenther@suse.de>
3837 PR tree-optimization/22525
3838 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3839 variable, adjust types of generated expressions.
3841 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3843 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3844 (tree-vect-patterns.o): Likewise.
3846 (cselib.o): Likewise.
3847 (loop-doloop.o): Likewise.
3848 (regclass.o): Likewise.
3849 (reload1.o): Likewise.
3850 (explow.o): Replace target.h with $(TARGET_H).
3851 (ipa-prop.o): Likewise.
3852 (ipa-cp.o): Likewise.
3853 (ipa-inline.o): Likewise.
3854 (reorg.o): Likewise.
3855 (reg-stack.o): Likewise.
3857 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3859 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3861 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3863 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3865 * configure.ac: Completely disregard languages that are not
3867 * configure: Regenerated.
3870 * c-common.h (c_build_bitfield_integer_type): Declare.
3871 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3872 * c-common.c (c_build_bitfield_integer_type): ... here.
3874 2006-04-23 Roger Sayle <roger@eyesopen.com>
3877 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3878 a SImode SUBREG of a floating point register after no_new_pseudos.
3880 2006-04-23 Roger Sayle <roger@eyesopen.com>
3882 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3883 identify potentially eliminable registers to additionally catch
3884 VIRTUAL_INCOMING_ARGS_REGNUM.
3885 (addsi3): Update the conditions on when to use addsi_small_int.
3887 2006-04-23 Roger Sayle <roger@eyesopen.com>
3890 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3891 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3892 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3894 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3896 * fold-const.c (range_predecessor): Use operand_equal_p
3897 as the predicate for equality.
3898 (range_successor): Likewise.
3900 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3903 * config/soft-fp/op-common.h: Fix a typo.
3905 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3908 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3909 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3911 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3913 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3915 * doc/tm.texi: Fix a typo.
3917 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3919 * dwarf2out.c (struct die_struct): Document that die_sib makes
3920 a circular linked list.
3921 (FOR_EACH_CHILD): New.
3922 (reverse_die_lists): Delete.
3923 (reverse_all_dies): Delete.
3924 (add_dwarf_attr): Correct documentation.
3925 (remove_child_with_prev): New.
3926 (remove_child_TAG): Update for change to die_struct, use
3927 remove_child_with_prev.
3928 (add_child_die): Update for change to die_struct.
3929 (splice_child_die): Use remove_child_with_prev and add_child_die.
3930 (print_die): Use FOR_EACH_CHILD.
3931 (die_checksum): Likewise.
3932 (assign_symbol_names): Likewise.
3933 (output_location_lists): Likewise.
3934 (build_abbrev_table): Likewise.
3935 (calc_die_sizes): Likewise.
3936 (mark_dies): Likewise.
3937 (unmark_dies): Likewise.
3938 (unmark_all_dies): Likewise.
3939 (output_die): Likewise.
3940 (prune_unused_types_mark): Likewise.
3941 (prune_unused_types_walk): Likewise.
3942 (same_die_p): Update for change to die_struct.
3943 (break_out_includes): Likewise.
3944 (prune_unused_types_prune): Likewise.
3945 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3946 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3948 (dwarf2out_finish): Don't call reverse_all_dies.
3950 2006-04-21 Eric Christopher <echristo@apple.com>
3952 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3953 in comments and function names.
3955 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3958 * c-typeck.c (digest_init): Robustify.
3960 * c-typeck.c (pop_init_level): Simplify.
3962 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3964 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3966 2006-04-21 Paul Brook <paul@codesourcery.com>
3968 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3969 hardware floating point.
3971 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3973 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3976 2006-04-21 Nick Clifton <nickc@redhat.com>
3978 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3981 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3984 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3985 C++ lang type in traceback table for Objective-C++.
3987 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3989 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3991 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3993 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3996 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3997 were errors. Remove check for erroneous objects.
3999 2006-04-20 Jeff Law <law@redhat.com>
4001 PR tree-optimization/26854
4002 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4003 checking for zero or one use.
4004 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4005 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4006 * tree-ssa-reassoc.c (negate_value): Similarly.
4007 (reassociate_bb): Similarly.
4009 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4011 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4012 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4013 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4015 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4017 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4018 fp regs if the last fp arg doesn't fit in regs.
4020 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4023 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4024 that the last insn has the REG_INC note.
4026 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4027 Nathan Sidwell <nathan@codesourcery.com>
4030 * stor-layout.c (update_alignment_for_field): Do not align
4032 (place_union_field): Place union field at the start of the union.
4033 (place_field): Move ERROR_MARK check later, and use the current
4034 allocation position to maintain monotonicity.
4036 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4038 * dominance.c: Include timevar.h.
4039 (calculate_dominance_info): Use TV_DOMINANCE.
4040 * timevar.def (TV_DOMINANCE): New timevar.
4041 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4043 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4045 PR rtl-optimization/14261
4046 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4047 move would be an INSV insn.
4048 (noce_process_if_block): Don't optimize if the destination is a
4049 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4051 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4053 * config/s390/s390.md: Add comments with the instructions emitted
4054 by an insn pattern if macros are used.
4056 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4058 PR rtl-optimization/26026
4059 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4060 is a known power of two shifted left a variable amount.
4062 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4064 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4065 to hash table twice when the debug_str section has SECTION_MERGE.
4067 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4069 * config/soft-fp: New directory. From glibc.
4070 * config/soft-fp/t-softfp: New.
4071 * config/soft-fp/README: New.
4072 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4073 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4074 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4075 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4076 * config.gcc: Use rs6000/t-fprules-fpbit or
4077 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4079 * config/rs6000/sfp-machine.h: New. Based on glibc.
4080 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4082 * config/rs6000/t-fprules: Remove fp-bit rules.
4083 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4084 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4085 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4086 (softfp_wrap_start, softfp_wrap_end): New.
4088 2006-04-18 DJ Delorie <dj@redhat.com>
4090 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4092 2006-04-18 Devang Patel <dpatel@apple.com>
4094 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4096 2006-04-18 Nick Clifton <nickc@redhat.com>
4098 * config/sh/t-symbian: Add rule to build sh-c.o
4099 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4100 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4101 (sh_symbian_encode_section_info): Likewise.
4103 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4105 * builtins.c (expand_builtin_strcmp): Cover label definition of
4106 do_libcall with HAVE_cmpstrnsi.
4108 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4110 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4112 * function.h (temp_slot_p): New.
4113 (function): Change the type of x_used_temp_slots to
4114 VEC(temp_slot_p,gc) *.
4116 2006-04-18 Nick Clifton <nickc@redhat.com>
4118 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4119 flag_strength_reduce.
4121 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4123 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4127 Partial revert of revision 112637
4128 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4129 Dale Johannesen <dalej@apple.com>
4132 * regclass.c (struct reg_pref): Update documentation.
4133 (regclass): Set prefclass to NO_REGS if memory is the best option.
4134 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4136 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4138 PR tree-optimization/26821
4139 * tree-ssa-math-opts.c (get_constant_one): New.
4140 (insert_reciprocals): Use it.
4142 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4144 * dwarf2out.c (free_AT): Delete.
4145 (remove_AT): Update string ref counts.
4146 (remove_child_TAG): Don't call free_die.
4148 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4149 or DW_TAG_GNU_EINCL.
4150 (prune_unused_types_walk_attribs): Reset string refcounts.
4151 (prune_unused_types_update_strings): New.
4152 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4153 call free_die. Do call prune_unused_types_update_strings.
4154 (prune_unused_types): Empty debug_str_hash.
4156 2006-04-17 Roger Sayle <roger@eyesopen.com>
4158 * expr.c (expand_assignment): Optimize away no-op moves where the
4159 source and destination are equal and have no side-effects.
4161 2006-04-17 Richard Guenther <rguenther@suse.de>
4164 * reload.c (push_reload): Guard calls to get_secondary_mem
4167 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4169 * alias.c (reg_base_value, old_reg_base_value): Change the
4170 type to VEC(rtx,gc) *.
4171 (REG_BASE_VALUE, find_base_value, record_set,
4172 init_alias_analysis): Use VEC instead of VARRAY.
4174 * alias.c (alias_sets): Change the type to
4175 VEC(alias_set_entry,gc) *.
4176 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4177 VEC instead of VARRAY.
4178 (last_alias_set): Remove.
4180 * cgraph.h (cgraph_edge_p): New.
4181 Update the prototype of cgraph_function_versioning.
4182 * cgraphunit.c (cgraph_copy_node_for_versioning,
4183 cgraph_function_versioning): Use VEC instead of VARRAY.
4184 * ipa-cp.c (ipcp_insert_stage): Likewise.
4186 2006-04-16 Roger Sayle <roger@eyesopen.com>
4189 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4190 "A op B" or "A op C", we may need to convert A to the type of B and C.
4192 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4194 * target.h (struct gcc_target): Add mode_rep_extended.
4195 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4196 (init_num_sign_bit_copies_in_rep): Initialize it using
4198 (truncate_to_mode): Use it.
4199 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4200 * targhooks.h (default_mode_rep_extended): Declare it.
4201 * targhooks.c (default_mode_rep_extended): Define it.
4202 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4203 default_mode_rep_extended.
4204 (TARGET_INITIALIZER): Include it.
4205 * doc/tm.texi (Misc): Document it.
4206 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4207 (mips_truncated_to_mode): New function.
4209 2006-04-16 Roger Sayle <roger@eyesopen.com>
4212 * expr.c (compress_float_constant): Copy the narrow constant into
4213 a new pseudo before extending it to its final width.
4215 2006-04-16 Roger Sayle <roger@eyesopen.com>
4216 Andrew Pinski <pinskia@gcc.gnu.org>
4217 Dale Johannesen <dalej@apple.com>
4220 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4221 special case code to implement V8HImode and V16QImode with SSE2.
4223 2006-04-15 Roger Sayle <roger@eyesopen.com>
4225 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4226 trees are constructed with a suitable tree type.
4228 2006-04-15 Roger Sayle <roger@eyesopen.com>
4230 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4231 (integer_onep): Likewise.
4232 (integer_all_onesp): Likewise.
4233 (integer_pow2p): Likewise.
4234 (integer_nonzerop): Likewise.
4235 (real_zerop): Likewise.
4236 (real_onep): Likewise.
4237 (real_twop): Likewise.
4238 (real_minus_onep): Likewise.
4239 (int_size_in_bytes): Likewise.
4240 (host_integerp): Likewise.
4242 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4244 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4245 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4246 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4248 * tree-ssa-structalias.h (alias_info): Remove num_references.
4250 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4252 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4253 (output_bvb patterns): Likewise.
4254 * pa.c (output_bb): Use 'bb' insn for long branch case.
4255 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4256 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4257 1. Correct length operand for alternatives 1 and 2.
4258 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4259 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4261 2006-04-14 Roger Sayle <roger@eyesopen.com>
4263 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4264 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4265 were accidentally reverted by r112959.
4267 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4270 * except.h (eh_region_outermost): New prototype.
4271 * except.c (eh_region_outermost): New function.
4272 * tree-cfg.c (find_outermost_region_in_block): Use it.
4274 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4276 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4278 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4279 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4280 (init_reload, reload): Use VEC instead of VARRAY.
4281 * reload.h: Update the prototype for
4282 reg_equiv_memory_loc_varray.
4284 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4285 Eric Botcazou <ebotcazou@libertysurf.fr>
4287 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4290 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4293 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4294 to expand fallback builtin function call.
4296 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4299 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4300 and emit libcall here in case the builtin fails.
4301 (expand_builtin_strcmp): Always emit the libcall here on failure.
4303 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4305 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4306 * flow.c (reg_n_info): Change the type to
4307 VEC(reg_info_p,heap) *.
4308 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4310 * regs.h (reg_info_p): New.
4311 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4312 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4313 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4316 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4318 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4320 * params.h (MAX_SCHED_READY_INSNS): New macro.
4321 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4322 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4323 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4324 the ready list for 1 cycle during the first scheduling pass.
4325 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4327 2006-04-13 Richard Henderson <rth@redhat.com>
4330 * gimple-low.c (lower_omp_directive): Remove dead code.
4331 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4332 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4333 * omp-low.c (struct omp_region): Move to tree-flow.h.
4334 (root_omp_region): Export.
4335 (omp_regions, lookup_omp_region): Remove.
4336 (determine_parallel_type): Update for struct omp_region changes.
4337 (dump_omp_region): Dump regions with block numbers.
4338 (new_omp_region): Take type and block instead of stmt; malloc
4340 (free_omp_region_1, free_omp_regions): New.
4341 (expand_parallel_call): Take entry_stmt as argument; update for
4342 changes to omp_region.
4343 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4344 (remove_exit_barriers): New.
4345 (expand_omp_parallel): Update for struct omp_region changes.
4346 (expand_omp_synch): Likewise.
4347 (expand_omp): Likewise.
4348 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4349 (expand_omp_for_static_chunk): Likewise.
4350 (expand_omp_for): Likewise.
4351 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4352 (expand_omp_sections): Similarly, with GOMP_sections_end.
4353 (expand_omp_single): New.
4354 (build_omp_regions_1): Update for OMP_CONTINUE.
4355 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4356 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4357 OMP_SECTIONS_SECTIONS.
4358 (lower_omp_single_simple): Don't emit barrier here.
4359 (lower_omp_single_copy): Likewise.
4360 (lower_omp_single): Fix bindings, and lower to straightline now.
4361 (lower_omp_master, lower_omp_ordered): Likewise.
4362 (lower_omp_critical): Likewise.
4363 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4364 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4365 omp edges, free it afterward.
4366 (make_omp_sections_edges): Remove.
4367 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4368 (move_stmt_r): Handle OMP_CONTINUE.
4369 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4370 statement pointers to basic blocks. Add type member.
4371 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4372 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4373 * tree-inline.c (estimate_num_insns_1): Likewise.
4374 * tree-pretty-print.c (dump_generic_node): Likewise.
4375 * tree-ssa-operands.c (get_expr_operands): Likewise.
4376 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4377 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4378 (OMP_CONTINUE): New.
4379 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4380 (OMP_SECTIONS_SECTIONS): Remove.
4381 (OMP_SECTION_LAST): New.
4382 (OMP_RETURN_NOWAIT): New.
4384 2006-04-13 Roger Sayle <roger@eyesopen.com>
4386 * fold-const.c (native_encode_vector, native_interpret_real):
4387 Correct obvious mistakes in the previous check-in.
4389 2006-04-13 Roger Sayle <roger@eyesopen.com>
4391 * fold-const.c (native_encode_expr): New function to encode
4392 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4393 or VECTOR_CST into a specified buffer.
4394 (native_encode_int): New function.
4395 (native_encode_real): New function.
4396 (native_encode_complex): New function.
4397 (native_encode_vector): New function.
4398 (native_interpret_expr): Inverse of native_encode_expr to convert
4399 a target representation into an INTEGER_CST, REAL_CST etc...
4400 (native_interpret_int): New function.
4401 (native_interpret_real): New function.
4402 (native_interpret_complex): New function.
4403 (native_interpret_vector): New function.
4404 (fold_view_convert_expr): New function to constant fold/evaluate
4405 a VIEW_CONVERT_EXPR of a suitable constant expression.
4406 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4407 Change call of build1 to fold_build1 when constructing a
4410 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4411 Ulrich Weigand <uweigand@de.ibm.com>
4414 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4417 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4420 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4421 optimize to lo_sum for DFmode if !TARGET_FPRS.
4423 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4425 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4426 delete_alias_info, compute_flow_sensitive_aliasing,
4427 group_aliases): Use VEC instead of VARRAY.
4428 * tree-ssa-structalias.c (update_alias_info): Likewise.
4429 * tree-ssa-structalias.h (alias_info): Change the type of
4430 processed_ptrs to VEC(tree,heap) *.
4432 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4435 * config/sh/lib1funcs.h: New file, broken out of:
4436 * config/sh/lib1funcs.asm.
4437 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4439 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4440 * config/sh/lib1funcs-Os-4-200.asm: New file.
4441 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4442 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4443 (EXTRA_MULTILIB_PARTS): Include it.
4444 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4445 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4446 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4447 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4450 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4452 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4453 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4454 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4456 * tree-ssa-live.h: Include vecprim.h.
4457 (tree_partition_associator_d): Change the type of
4458 first_partition to VEC(int,heap) *.
4459 (tpa_first_partition): Use VEC instead of VARRAY.
4461 * Makefile.in (GTFILES): Move functions.h after tree.h.
4462 * function.c (reset_block_changes, record_block_change,
4463 check_block_change, free_block_changes): Use VEC instead of
4465 * function.h (function): Change the type of
4466 ib_boundaries_block to VEC(tree,gc) *.
4467 * tree-inline.c (copy_cfg_body): Initialize
4468 ib_boundaries_block to NULL instead of (varray_type) 0.
4470 2006-04-12 Roger Sayle <roger@eyesopen.com>
4472 * expr.c (emit_group_store): Correct operand order in call to
4473 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4474 a SUBREG_BYTE of zero.
4476 2006-04-12 Richard Guenther <rguenther@suse.de>
4478 * profile.c (compute_branch_probabilities): Remove code
4479 encapsulated in !ir_type (), which are remanents of the
4480 removed RTL profiling code.
4481 * rtl-profile.c: Remove.
4483 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4485 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4486 magic NULL_RTX comment.
4487 (function_arg): Store entire fp arg to mem if any part should go
4489 (rs6000_arg_partial_bytes): Adjust for above change.
4491 2006-04-11 Roger Sayle <roger@eyesopen.com>
4493 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4494 if it hasn't been initialized by dwarf2out_init.
4496 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4498 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4499 symbolic constants in branch patterns.
4501 2006-04-11 Roger Sayle <roger@eyesopen.com>
4503 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4505 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4507 PR rtl-optimization/27073
4508 * gcse.c (try_replace_reg): Revert last change. Continue to search
4509 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4512 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4514 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4515 aggregate types other than record and union types.
4516 (function_arg): Likewise.
4517 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4519 (function_value): In 64-bit mode, return objects that require it
4522 2006-04-11 Roger Sayle <roger@eyesopen.com>
4524 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4526 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4528 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4530 2006-04-03 Jeff Law <law@redhat.com>
4533 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4534 alias information too.
4536 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4538 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4540 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4543 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4544 (premark_used_types_helper): New.
4545 (premark_used_types): New.
4546 (gen_subprogram_die): Call premark_used_types.
4547 (prune_unused_types_walk): Do not prune perennial dies.
4548 * function.c (used_types_insert): New.
4549 * function.h (struct function): Add used_types_hash field.
4550 (used_types_insert): Add prototype.
4551 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4552 * c-parser.c (c_parser_cast_expression): Save casted types in used
4555 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4558 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4559 rs6000_explicit_options.float_gprs.
4561 2006-04-10 Roger Sayle <roger@eyesopen.com>
4563 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4564 from ix86_expand_vector_init_low_nonzero. Take an additional
4565 one_var argument indicating which element is non-zero. Support
4566 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4567 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4568 with one_var instead of ix86_expand_vector_init_low_nonzero.
4570 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4572 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4573 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4574 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4575 build/genextract.o): Depend on vecprim.h.
4576 * cfglayout.c, df-problems.c, function.c, genextract.c,
4577 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4578 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4582 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4584 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4585 Declare VECs of this type.
4586 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4587 (remove_children): Delete.
4588 (add_dwarf_attr): Use VEC routines.
4589 (add_AT_flag): Update for changes to add_dwarf_attr.
4590 (add_AT_int): Likewise.
4591 (add_AT_unsigned): Likewise.
4592 (add_AT_long_long): Likewise.
4593 (add_AT_vec): Likewise.
4594 (add_AT_string): Likewise.
4595 (add_AT_die_ref): Likewise.
4596 (add_AT_fde_ref): Likewise.
4597 (add_AT_loc): Likewise.
4598 (add_AT_loc_list): Likewise.
4599 (add_AT_addr): Likewise.
4600 (add_AT_lbl_id): Likewise.
4601 (add_AT_lineptr): Likewise.
4602 (add_AT_macptr): Likewise.
4603 (add_AT_offset): Likewise.
4604 (add_AT_range_list): Likewise.
4605 (get_AT): Use VEC_iterate.
4606 (remove_AT): Use VEC_ordered_remove.
4607 (free_die): Fold remove_children into here; have it use VEC_iterate.
4608 (print_die): Use VEC_iterate on attrs.
4609 (reverse_die_lists): Don't reverse attr lists.
4610 (die_checksum): Use VEC_iterate on attrs.
4611 (same_die_p): Likewise.
4612 (output_location_lists): Likewise.
4613 (build_abbrev_table): Likewise.
4614 (size_of_die): Likewise.
4615 (unmark_all_dies): Likewise.
4616 (output_abbrev_section): Likewise.
4617 (output_die): Likewise.
4618 (prune_unused_types_walk_attribs): Likewise.
4620 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4622 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4624 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4627 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4629 2006-04-09 Roger Sayle <roger@eyesopen.com>
4631 * expr.c (store_constructor): Don't bother clearing target if
4632 we're about to assign a vector to it using vec_init_optab.
4634 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4636 * tree-ssa-alias.c (lhs_may_store_to): New function.
4637 (recalculate_used_alone): Handle LHS of calls.
4639 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4643 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4644 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4645 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4646 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4647 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4648 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4649 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4650 stubs. Add ".align 8" directives before all ".dword" directives.
4651 (GTHREAD_USE_WEAK): Revise comment.
4652 (TARGET_ATTRIBUTE_WEAK): Define.
4653 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4654 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4655 * stublib.c: New file.
4660 * pa.md (cbranch patterns): Revise arguments used in calls to
4661 output_cbranch, output_bb and output_bvd. Add long branch length
4663 (fbranch patterns): Handle long branches.
4664 (jump): Revise length check. Revise arguments for output_lbranch call.
4665 Add long branch length attributes.
4666 (decrement_and_branch_until_zero): Add long branch length attributes.
4667 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4668 Likewise. Revise arguments for output_parallel_addb and
4669 output_parallel_movb calls.
4670 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4671 output_parallel_movb and output_parallel_addb): Update prototypes.
4672 * pa.c (output_cbranch): Revise arguments. Correct handling of
4673 nullification in long branches.
4674 (output_lbranch): Add new argument to control extraction of delay
4676 (output_bb): Handle long branches.
4677 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4678 output_parallel_addb): Likewise.
4680 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4682 PR rtl-optimization/27073
4683 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4686 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4688 * tree.h (tree_memory_tag): Add old_used_alone.
4689 (SMT_OLD_USED_ALONE): New macro.
4690 * tree-ssa-alias.c (recalculate_used_alone): Stop
4691 marking things for renaming unnecessarily.
4693 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4695 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4696 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4697 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4698 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4699 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4700 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4701 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4702 spelling convensions.
4703 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4704 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4705 typos. Follow spelling conventions.
4707 2006-04-07 DJ Delorie <dj@redhat.com>
4709 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4710 passed on the stack.
4711 (m32c_init_cumulative_args): When a function returns a structure,
4712 always pass the pointer to that return area on the stack.
4713 (m32c_function_arg_advance): Don't increment the parameter number
4714 if we're processing the returned structure pointer.
4715 (pushm_info): Reverse order of registers.
4717 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4719 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4720 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4721 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4722 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4724 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4725 chrec_fold_multiply): Same.
4726 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4727 force_expr_to_var_cost): Same.
4728 * tree-mudflap.c (mf_xform_derefs_1): Same.
4729 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4731 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4733 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4734 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4737 2006-04-07 Jan Hubicka <jh@suse.cz>
4739 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4741 2006-04-07 Richard Guenther <rguenther@suse.de>
4743 PR tree-optimization/26135
4744 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4745 loads for store copy-prop.
4746 (copy_prop_visit_stmt): Likewise.
4748 2006-04-05 Robert Millan <robertmh@gnu.org>
4750 * config/i386/linux.h: Add a comment to mark macros that are
4751 being overriden in config/k*bsd-gnu.h.
4752 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4754 * config/knetbsd-gnu.h: Ditto.
4756 2006-04-06 Jan Hubicka <jh@suse.cz>
4760 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4763 2006-04-06 Mike Stump <mrs@apple.com>
4765 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4766 for HAVE_nonlocal_goto to be consistent.
4767 (expand_builtin_nonlocal_goto): Likewise.
4768 (expand_builtin_strcmp): Use #ifdef instead of #if
4769 for HAVE_cmpstrnsi to be consistent.
4771 2006-04-05 DJ Delorie <dj@redhat.com>
4773 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4776 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4778 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4779 got-relative addressing for anything but SImode.
4781 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4782 even if the calling function doesn't modify them.
4784 2006-04-05 Richard Guenther <rguenther@suse.de>
4786 PR tree-optimization/26919
4787 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4788 to cgraph_estimate_size_after_inlining.
4790 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4792 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4794 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4796 PR tree-optimization/26996
4797 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4798 VECTOR_TYPE variables.
4800 2006-04-05 Richard Guenther <rguenther@suse.de>
4802 PR tree-optimization/26763
4803 * fold-const.c (fold_comparison): Move folding of
4804 PTR + CST CMP PTR + CST ...
4805 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4807 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4809 * doc/install.texi (Prerequisites): Refine some wording on
4810 bootstrapping and ksh.
4811 Move the version numbers of DejaGnu here from the testing section
4812 and fix casing of names.
4813 Fix markup and clarify wording for autogen requirements.
4814 Refer to GCJ instead of just java.
4815 Refer to SVN instead of CVS.
4816 Describe diffutils as useful instead of necessary.
4817 (Downloading the source): Refer to SVN instead of CVS.
4818 Adjust a link to our web site accordingly.
4819 (Configuration): Fix casing of Bison.
4820 (Building): Refer to SVN instead of CVS.
4821 Fix a sentence on the use of Bison and remove duplicate (and
4822 incorrect) version number of Bison requirement.
4823 Remove one redundant list of packages needed for building.
4824 (Specific): Avoid reference to CVS.
4826 2006-04-04 Eric Christopher <echristo@apple.com>
4828 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4829 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4830 (rs6000_handle_struct_attribute): New.
4831 (rs6000_ms_bitfield_layout_p): Ditto.
4833 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4835 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4836 NULL for dso parameter to atexit_common.
4838 2006-04-04 Eric Christopher <echristo@apple.com>
4840 * config/i386/i386.c (machopic_output_stub): Output \t
4841 between instructions and operands.
4843 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4845 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4846 satisfies_constraint_[IL] to explicit tests on value.
4848 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4850 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4851 set_nb_iterations_in_loop): Use build_int_cst instead of
4853 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4854 build_int_cst instead of convert.
4856 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4858 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4859 new value 2 for incoming.
4860 * function.c (expand_function_start): Call struct_value_rtx
4862 * config/sparc/sparc.md: Comment updated_return.
4863 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4864 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4865 struct return if sparc_std_struct_return and incoming is 2.
4866 (print_operand): Do not adjust return if
4867 sparc_std_struct_return.
4869 2006-04-04 Roger Sayle <roger@eyesopen.com>
4871 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4872 convert in the middle-end.
4873 * expr.c (store_expr, store_constructor, get_inner_reference,
4874 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4876 * tree.c (build_range_type): Likewise.
4878 2006-04-04 Tom Tromey <tromey@redhat.com>
4880 * doc/install.texi (Prerequisites): Mention jar.
4882 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4884 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4887 2006-04-04 Matthias Klose <doko@debian.org>
4889 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4890 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4893 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4895 * doc/extend.texi (Function Attributes): Rewrite visibility
4896 attribute documentation.
4897 * doc/invoke.texi (C++ Dialect Options): Rewrite
4898 -fvisibility-inlines-hidden documentation to describe something
4899 entirely different, although in practise compatible.
4900 (Code Gen Options): Warn about system headers in -fvisibility=
4903 * doc/extend.texi (Other Builtins): Document that
4904 __builtin_nan is a compile-time constant only when its argument
4907 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4909 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4910 trying to remove TRUNCATE check if all bits outside the new mode
4911 are identical to the sign bit.
4913 2006-04-03 Jeff Law <law@redhat.com>
4915 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4916 and operand scanning in some common cases.
4918 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4919 Dale Johannesen <dalej@apple.com>
4922 * regclass.c (struct reg_pref): Update documentation.
4923 (regclass): Set prefclass to NO_REGS if memory is the best option.
4924 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4925 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4926 into account. For non-registers, equate an empty preferred
4927 reload class to a `!' in the constraint; move the if clause to
4928 do so after those that reject the insn.
4929 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4931 (find_dummy_reload): Likewise.
4932 * doc/tm.texi (Register Classes): Document what it means
4933 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4934 * config/i386/i386.c (ix86_preferred_reload_class): Force
4935 using SSE registers (and return NO_REGS for floating-point
4936 constants) if math is done with SSE.
4937 (ix86_preferred_output_reload_class): New.
4938 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4939 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4940 * config/i386/i386.md: Remove # register preferences.
4942 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4945 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4946 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4947 the type of nb_iter.
4948 (instantiate_parameters_1): Convert the operands before calling
4949 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4950 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4952 2006-04-02 Roger Sayle <roger@eyesopen.com>
4954 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4955 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4957 * dojump.c (do_jump): Likewise.
4958 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4959 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4960 gimplify_boolean_expr): Likewise.
4961 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4962 * varasm.c (array_size_for_constructor): Likewise.
4963 * tree-object-size.c (compute_object_offset): Likewise.
4965 2006-04-02 Roger Sayle <roger@eyesopen.com>
4968 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4969 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4971 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4973 PR tree-optimization/26939
4974 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4976 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4978 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4979 at_stmt. Convert the type of operands before calling
4980 build_polynomial_chrec.
4981 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4983 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4984 (instantiate_parameters_1): Convert the type of operands before calling
4985 build_polynomial_chrec.
4986 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4987 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4988 reset_evolution_in_loop): Insert asserts to check the types of the
4990 (chrec_type): Moved...
4991 (eq_evolutions_p): Use operand_equal_p.
4992 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4993 the types of the operands.
4994 (chrec_type): ...here.
4995 * tree-data-ref.c (create_data_ref): Convert the operands before
4996 calling chrec_replace_initial_condition.
4997 (same_access_functions, analyze_subscript_affine_affine,
4998 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4999 (compute_subscript_distance, analyze_ziv_subscript,
5000 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5001 analyze_miv_subscript): Convert the operands before calling
5002 chrec_fold_minus or chrec_fold_plus.
5004 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5006 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5007 the dependence_relations vector.
5008 (compute_data_dependences_for_loop): Adjust call to
5009 compute_all_dependences.
5011 2006-04-01 Roger Sayle <roger@eyesopen.com>
5012 Richard Henderson <rth@redhat.com>
5014 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5015 gimple_boolify on the condition before calling gimplify_expr.
5017 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5019 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5020 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5021 the frame size. Update to use the new macros.
5022 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5023 * config/xtensa/ieee754-df.S: Likewise.
5025 2006-03-31 Richard Henderson <rth@redhat.com>
5027 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5028 (make_edges): ... here. Control fallthru creation with a local
5029 variable. Do not play with fake edges.
5030 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5031 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5034 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5036 * dwarf2.h (DW64_CIE_ID): Define.
5037 * dwarf2out.c (DWARF_CIE_ID): Define.
5038 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5039 length header. Use DWARF_CIE_ID.
5040 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5041 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5043 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5045 * config/sh/linux-atomic.asm: New file.
5046 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5048 2006-03-31 DJ Delorie <dj@redhat.com>
5050 * config/m32c/cond.md: Set condition flags properly throughout.
5051 * config/m32c/minmax.md: Likewise.
5052 * config/m32c/prologue.md: Likewise.
5053 * config/m32c/bitops.md: Likewise.
5054 * config/m32c/muldiv.md: Likewise.
5055 * config/m32c/mov.md: Likewise.
5056 * config/m32c/addsub.md: Likewise.
5057 * config/m32c/m32c.md: Likewise.
5058 * config/m32c/jump.md: Likewise.
5059 * config/m32c/shift.md: Likewise.
5061 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5062 conditionally output the pattern for this.
5063 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5064 (m32c_compare_redundant): New.
5065 (m32c_output_compare): New.
5066 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5068 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5069 dest, not src. Allow other 4-byte modes.
5071 2006-03-30 Denis Chertykov <denisc@overta.ru>
5073 * doc/md.texi: Refer to avr/constraints.md instead of
5076 2006-03-30 Roger Sayle <roger@eyesopen.com>
5078 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5079 signed vs. unsigned comparison failures on some hosts.
5081 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5084 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5085 change to FLOAT_REGS.
5087 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5088 (rs6000_override_options): Use it.
5089 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5090 only for -mabi=spe/no-spe and -mabi=altivec.
5092 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5094 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5097 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5099 * Makefile.in: Rename docdir to gcc_docdir.
5101 2006-03-30 Roger Sayle <roger@eyesopen.com>
5104 * expr.c (emit_group_store): Optimize group stores into a pseudo
5105 register by using a paradoxical subreg to initialize the destination
5106 if the first or last member of the group specifies a "low part".
5108 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5111 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5112 * target.h (struct gcc_target.speculate_insn): Change type of the
5113 second parameter to 'int'.
5114 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5115 the second operand of the DEPS_LIST.
5116 (copy_DEPS_LIST_list): Update reference to the second operand of the
5118 * rtl.h (alloc_DEPS_LIST): Update signature.
5119 * sched-int.h (ds_t): Change typedef to 'int'.
5120 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5122 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5124 * haifa-sched.c (try_ready): Change condition to restore
5125 non-speculative pattern of the instruction.
5126 (process_insn_depend_be_in_spec): Code to keep probability of the
5127 speculative dependence non-decreasing.
5129 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5131 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5132 (single_move_for_movmem): ... this. Also change all uses.
5133 (bfin_expand_strmov): Renamed to...
5134 (bfin_expand_movmem): ... this. Also change all uses.
5135 * config/bfin/bfin.md (movstrsi): Renamed to...
5136 (movstrsi): ...this.
5138 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5140 PR tree-optimization/26830
5142 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5143 (copy_prop_visit_stmt): Remove write-only variable ann.
5144 (init_copy_prop): Check variable loop depth here. Do not simulate
5145 memory-tag and virtual operand PHIs except for store copy prop.
5147 2006-03-30 Richard Guenther <rguenther@suse.de>
5149 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5150 variants with double arguments.
5152 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5154 * genpreds.c (write_tm_constrs_h): Delete variable p.
5155 * genconditions.c (write_header): Add tm-constrs.h to included
5157 * genpeep.c (main): Add toplev.h to included headers.
5158 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5159 (build/genpeep.o): Add toplev.h dependency.
5160 * config/rs6000/constraints.md: Add "W" constraint.
5162 2006-03-29 Roger Sayle <roger@eyesopen.com>
5164 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5165 sizes by correctly testing whether the size fits a host integer.
5166 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5167 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5168 SImode range for the default sizetype and bitsizetype.
5170 2006-03-29 Roger Sayle <roger@eyesopen.com>
5172 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5173 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5174 quickly if the argument is already of the correct type.
5175 Call fold_build1 instead of build1. Tidy up blank lines.
5177 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5179 * genemit.c (main): Add tm-constrs.h to included headers.
5180 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5181 * genpeep.c (main): Add tm-constrs.h to included headers.
5182 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5183 (write_tm_constrs_h): this and write complete file.
5184 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5185 (write_insn_preds_c): Add tm-constrs.h to included headers.
5186 (gen_constrs): New variable.
5187 (parse_option): Parse "-c".
5188 (main): Invoke write_tm_constrs_h.
5189 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5190 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5191 (object_out_file): Add tm-constrs.h dependency.
5192 (insn-emit.o): Same.
5193 (insn-output.o): Same.
5194 (insn-peep.o): Same.
5195 (insn-preds.o): Same.
5196 (insn-recog.o): Same.
5197 (tm-constsr.h): New target.
5198 (s-constrs-h): New target.
5200 * config/rs6000/constraints.md: New file.
5201 * config/rs6000/rs6000.c: Include tm-constrs.h.
5202 (num_insn_constant_wide): Convert to satisfies_constraint.
5203 (rs6000_rtx_costs): Convert to satisfies_constraint.
5204 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5205 (CONST_OK_FOR_LETTER_P): Delete.
5206 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5207 (EXTRA_CONSTRAINT): Delete.
5208 (EXTRA_MEMORY_CONSTRAINT): Delete.
5209 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5210 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5211 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5212 satisfies_constraint.
5214 * config/i386/i386.c: Include tm-constrs.h.
5216 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5218 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5219 * tree-data-ref.c (find_data_references_in_loop,
5220 compute_data_dependences_for_loop): Use pointers to VEC.
5221 (analyze_all_data_dependences): Adjust calls.
5222 * tree-data-ref.h (find_data_references_in_loop,
5223 compute_data_dependences_for_loop): Adjust declarations.
5224 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5225 compute_data_dependences_for_loop.
5227 2006-03-29 Paul Brook <paul@codesourcery.com>
5229 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5232 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5234 PR tree-optimization/26859
5235 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5237 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5238 for the step after fold_convert.
5240 2006-03-29 Paul Brook <paul@codesourcery.com>
5242 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5243 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5245 2006-03-29 Paul Brook <paul@codesourcery.com>
5248 * targhooks.c (default_narrow_bitfield): New fuction.
5249 * targhooks.h (default_narrow_bitfield): add prototype.
5250 * target.h (gcc_target): Add narrow_volatile_bitfield.
5251 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5252 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5253 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5254 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5256 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5258 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5260 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5261 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5262 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5263 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5264 (s390_function_arg_float): Allow SDmode and DDmode values to be
5265 passed in floating point registers.
5266 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5267 check with SCALAR_FLOAT_MODE_P.
5268 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5270 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5272 PR tree-optimization/25985
5273 * tree-ssa-loop-niter.c (number_of_iterations_le,
5274 number_of_iterations_ne): Make comments more precise.
5275 (number_of_iterations_cond): Add only_exit argument. Use the
5276 fact that signed variables do not overflow only when only_exit
5278 (loop_only_exit_p): New.
5279 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5280 number_of_iterations_cond.
5282 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5284 PR tree-optimization/26643
5285 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5288 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5290 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5291 (divsi3_i4_int): Likewise.
5293 2006-03-28 Roger Sayle <roger@eyesopen.com>
5295 * expr.c (emit_group_store): Only create a new pseudo reg if the
5296 quantity it needs to hold isn't already a suitable pseudo.
5298 2006-03-28 Jeff Law <law@redhat.com>
5300 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5301 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5303 2006-03-28 Roger Sayle <roger@eyesopen.com>
5305 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5306 the equivalent ~X & Y, and the symmetry related transformations.
5307 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5308 ~X & Y, and symmetry related transforms.
5310 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5312 Revert my 2006-03-27 patches.
5314 2006-03-28 Roger Sayle <roger@eyesopen.com>
5316 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5317 ~(T1)X, when T1 and T2 are integer types of the same precision
5318 and (T2)X isn't an extension.
5320 2006-03-28 Jeff Law <law@redhat.com>
5322 PR tree-optimization/26796
5323 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5324 need EH edge cleanups rather than purging them immediately.
5325 (eliminate_degenerate_phis): Handle queued EH cleanups.
5327 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5329 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5332 2006-03-27 Roger Sayle <roger@eyesopen.com>
5335 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5336 cast BIT_NOT_EXPR operand to the correct type.
5338 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5340 * tree-loop-linear.c: Don't include varray.h.
5341 (gather_interchange_stats, try_interchange_loops,
5342 linear_transform_loops): Use VEC instead of VARRAY.
5343 * lambda-mat.c: Don't include varray.h.
5344 * tree-chrec.c: Same.
5345 * lambda-trans.c: Same.
5346 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5347 VEC instead of VARRAY.
5348 * tree-vectorizer.h: Idem.
5349 * tree-data-ref.c (dump_data_references,
5350 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5351 initialize_data_dependence_relation, finalize_ddr_dependent,
5352 compute_all_dependences, find_data_references_in_loop,
5353 compute_data_dependences_for_loop, analyze_all_data_dependences,
5354 free_dependence_relation, free_dependence_relations,
5355 free_data_refs): Idem.
5356 * tree-data-ref.h (data_reference_p, subscript_p): New.
5357 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5358 VEC instead of VARRAY.
5359 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5360 (find_data_references_in_loop, compute_data_dependences_for_loop,
5361 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5362 dump_data_dependence_relations, free_dependence_relations,
5363 free_data_refs): Adjust declaration.
5364 (lambda_transform_legal_p): Move declaration here...
5365 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5366 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5367 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5368 vect_analyze_data_refs): Use VEC instead of VARRAY.
5369 * lambda.h (lambda_transform_legal_p): ...from here.
5370 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5371 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5372 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5373 tree-chrec.o): Don't depend on VARRAY_H.
5375 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5377 * rtl.def (Copyright): Update date.
5378 (DEPS_LIST): Change type of the second operand to 'int'.
5379 * target.h (Copyright): Update date.
5380 (struct gcc_target.speculate_insn): Change type of the second parameter
5382 * lists.c (Copyright): Update date.
5383 (alloc_DEPS_LIST): Change signature. Update reference to the second
5384 operand of the DEPS_LIST.
5385 (copy_DEPS_LIST_list): Update reference to the second operand of the
5387 * rtl.h (Copyright): Update date.
5388 (alloc_DEPS_LIST): Update signature.
5389 * sched-int.h (Copyright): Update date.
5390 (ds_t): Change typedef to 'int'.
5391 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5393 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5395 * haifa-sched.c (Copyright): Update date.
5396 (try_ready): Change condition to restore non-speculative pattern
5398 (process_insn_depend_be_in_spec): Code to keep probability of the
5399 speculative dependence non-decreasing.
5401 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5403 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5404 shut up the compiler.
5406 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5408 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5409 to use lib prefix for target.
5410 ($(T)libic_invalidate_array_4-200.a): Likewise.
5411 ($(T)libic_invalidate_array_4a.a): Likewise.
5413 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5414 J"orn Rennecke <joern.rennecke@st.com>
5416 * superh.opt: New file.
5417 * sh.c (boardtype, osruntime): Remove.
5418 * superh.h (SUBTARGET_OPTIONS): Remove.
5419 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5421 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5422 arguments with ^ and/or [].
5424 * config.gcc (sh-*-*): Add quoting to account for quirk of
5426 Replace == with = in enable_incomplete_targets test.
5428 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5429 with MASK_LITTLE_ENDIAN.
5431 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5432 * config/sh/sh.opt: Added to some comments.
5433 * config/sh/superh.h: Removed some chaff.
5435 * config/sh/sh.opt: Add m4-[1234]00* options.
5436 * config/sh/sh.c (sh_handle_option): Likewise.
5437 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5438 (ic_invalidate_array_4-100.o): New rule.
5439 ($(T)libic_invalidate_array_4-100.a): Likewise.
5440 (ic_invalidate_array_4-200.o): Likewise.
5441 ($(T)libic_invalidate_array_4-200.a): Likewise.
5442 (ic_invalidate_array_4a.o): Likewise.
5443 ($(T)libic_invalidate_array_4a.a): Likewise.
5444 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5445 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5447 * config/sh/crt1.asm: Merged in profiling code.
5448 * config/sh/superh.h (STARTFILE_SPEC): Override.
5449 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5450 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5451 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5453 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5454 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5455 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5457 * sh.opt (mpretend-cmove): New option.
5458 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5459 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5460 (movsicc): Add TARGET_PRETEND_CMOVE code.
5462 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5464 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5465 s390_class_max_nregs): New function prototypes.
5466 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5467 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5468 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5469 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5471 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5473 * dwarf2out.c (add_location_or_const_value_attribute): Call
5474 tree_add_const_value_attribute if nothing else works.
5475 (reference_to_unused): New.
5476 (rtl_for_decl_init): Use reference_to_unused to decide whether
5477 to output an initializer.
5479 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5482 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5483 peephole removing spe frob_di_df_2.
5485 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5487 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5488 (subscript_dependence_tester_1): Declared.
5489 (print_dir_vectors, print_dist_vectors): New.
5490 (debug_data_dependence_relation): New.
5491 (dump_data_dependence_relation): Print more details.
5492 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5493 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5494 (save_dist_v, save_dir_v, add_outer_distances,
5495 build_classic_dist_vector_1): New.
5496 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5497 Don't test for lambda_vector_lexico_pos.
5498 (same_access_functions, add_multivariate_self_dist,
5499 add_other_self_distances, dir_from_dist): New.
5500 (build_classic_dir_vector): Replace implementation almost identical to
5501 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5503 (subscript_dependence_tester_1): New.
5504 (subscript_dependence_tester): Handle the lexicographically negative
5505 distance vectors by recomputing the dependence relation.
5506 (compute_affine_dependence): Remove parameter loop_nest_depth.
5507 (compute_self_dependence): Don't call compute_subscript_distance.
5508 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5509 Add a parameter for the loop_nest.
5510 (find_loop_nest_1, find_loop_nest): New.
5511 (compute_data_dependences_for_loop): Compute the loop nest, and give
5512 up if the nest is not well formed.
5513 * tree-data-ref.h (loop_p): New.
5514 (struct data_dependence_relation): Replace size_vect field with
5515 loop_nest, a vec of loops.
5516 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5517 (DDR_LOOP_NEST): New.
5518 (print_dir_vectors, print_dist_vectors,
5519 debug_data_dependence_relation): Declared.
5520 (index_in_loop_nest): New.
5521 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5522 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5525 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5527 * simplify-rtx.c (simplify_relational_operation): Call
5528 simplify_relational_operation_1 even if mode is VOIDmode.
5530 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5532 PR tree-optimization/26804
5533 * tree.h (DECL_CALL_CLOBBERED): New macro.
5534 (tree_decl_common): Add call_clobbered_flag.
5535 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5536 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5537 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5538 (mark_non_addressable): Ditto.
5539 * tree-ssa.c (verify_call_clobbered): New function.
5540 (verify_alias_info): Use it.
5541 * tree-pass.h (pass_reset_cc_flags): New prototype.
5542 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5543 (reset_cc_flags): New function.
5544 * passes.c (init_optimization_passes): Call reset_cc_flags after
5545 initializing referenced_vars.
5547 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5548 Roger Sayle <roger@eyesopen.com>
5551 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5552 to 1.0 for non-real operands. Implement A / A optimization for
5555 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5557 * config/i386/i386.c (size_cost): Correct the comment for
5558 cost of storing fp registers.
5559 (i386_cost): Likewise.
5560 (i486_cost): Likewise.
5561 (pentium_cost): Likewise.
5562 (pentiumpro_cost): Likewise.
5563 (k6_cost): Likewise.
5564 (athlon_cost): Likewise.
5565 (k8_cost): Likewise.
5566 (pentium4_cost): Likewise.
5567 (nocona_cost): Likewise.
5568 (generic64_cost): Likewise.
5569 (generic32_cost): Likewise.
5571 2006-03-24 Denis Chertykov <denisc@overta.ru>
5573 * config/avr/avr-protos.h (extra_constraint): Delete.
5574 (extra_constraint_Q): New declaration.
5575 * config/avr/constraints.md: New file.
5576 * config/avr/avr.md: Include it.
5577 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5578 (TMP_REGNO, ZERO_REGNO): Likewise.
5579 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5580 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5581 (extra_constraint): Delete.
5582 (extra_constraint_Q): Test for memory constraint 'Q'.
5583 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5584 (REG_CLASS_FROM_LETTER): Delete.
5585 (CONST_OK_FOR_LETTER_P): Delete.
5586 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5587 (EXTRA_CONSTRAINT): Delete.
5588 (TMP_REGNO): Delete.
5589 (ZERO_REGNO): Delete.
5591 2006-03-24 Jeff Law <law@redhat.com>
5593 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5594 directly. Call mark_new_vars_to_rename slightly earlier.
5596 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5598 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5600 (gen_compile_unit_die): Use new language types for Objective-C and
5602 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5603 DW_LANG_C_plus_plus.
5606 * config/t-darwin (crt3.o): Work around bug 26840.
5607 * config/darwin-crt3.c: Rewrite.
5608 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5610 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5612 * doc/invoke.texi: Document -femit-class-debug-always
5613 * common.opt: Add -femit-class-debug-always.
5615 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5617 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5618 index and base register.
5619 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5620 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5621 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5622 REGNO_OK_FOR_INDEX_P.
5623 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5625 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5626 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5627 REG_OK_FOR_BASE_P): Definitions removed.
5629 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5632 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5633 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5634 set yet or weren't marked as local yet.
5636 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5638 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5641 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5643 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5644 (rs6000_legitimate_small_data_p): Delete.
5645 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5646 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5647 and make static. Add forward declaration. Update uses.
5648 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5649 of offsettable_memref_p.
5650 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5651 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5653 2006-03-24 Jeff Law <law@redhat.com>
5655 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5656 around bug in immediate-use iterator.
5658 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5661 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5662 or __LITTLE_ENDIAN__.
5664 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5666 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5667 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5668 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5669 * config/sh/sh.opt (mdiv=): Amend description.
5670 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5671 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5672 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5673 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5674 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5675 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5676 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5677 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5678 TARGET_DIVIDE_CALL_FP.
5680 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5682 * haifa-sched.c (choose_ready): Fix type of the local variable.
5683 Move local variables. Add comment.
5684 (check_reg_live): Change signature. Make callable from debugger.
5685 * sched-int.h (check_reg_live): Update signature.
5686 * sched-ebb.c (check_reg_live): Update parameters.
5687 * sched-rgn.c (check_reg_live): Ditto.
5688 (region_head_or_leaf_p): Check pointer before dereferencing.
5689 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5690 before reload on optimization levels below 1.
5692 2006-03-23 Richard Henderson <rth@redhat.com>
5694 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5698 * config/alpha/predicates.md (local_symbolic_operand): Reject
5701 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5704 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5705 expressions which have overflowed constants.
5707 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5709 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5711 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5713 * cfgloopmanip.c (create_loop_notes): Removed.
5714 * final.c (final_scan_insn): Do not handle loop notes.
5715 * jump.c (squeeze_notes): Ditto.
5716 * cfglayout.c (skip_insns_after_block,
5717 duplicate_insn_chain): Ditto.
5718 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5720 * cfgloop.h (create_loop_notes): Declaration removed.
5722 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5724 * varasm.c (output_constant_pool): Restore fnname and fndecl
5726 (assemble_start_function): Adjust call accordingly.
5727 (assemble_end_function): Likewise.
5729 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5732 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5735 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5737 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5740 * system.h (ICE_EXIT_CODE): New macro.
5741 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5742 (diagnostic_action_after_output): Likewise.
5743 * gcc.c (fatal_ice): New function.
5744 (execute): Use it instead of fatal.
5745 (fancy_abort): Likewise.
5746 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5748 2006-03-22 Jeff Law <law@redhat.com>
5750 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5751 iv_analyze_result returning false.
5753 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5755 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5757 2006-03-22 Richard Henderson <rth@redhat.com>
5760 * except.c (duplicate_eh_regions_0): New.
5761 (duplicate_eh_region_1): Duplicate the children of the node as
5762 well as the node itself. Link them up properly.
5763 (duplicate_eh_region_2): Merge into ...
5764 (duplicate_eh_regions): ... here. Take copy_region argument, and
5765 copy only a sub-tree if asked. Simplify copying and fixup.
5766 (eh_region_outer_p): New.
5767 * except.h (duplicate_eh_regions): Update decl.
5768 (eh_region_outer_p): Declare.
5769 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5770 (lower_omp_master): Likewise.
5771 (lower_omp_ordered): Likewise.
5772 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5773 (move_stmt_r): Use it to remap labels. Handle recursion vs
5774 remap_decls_p properly.
5775 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5776 (find_outermost_region_in_block): New.
5777 (new_label_mapper): New.
5778 (move_sese_region_to_fn): Copy eh information to the new function
5780 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5782 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5785 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5787 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5788 into shared libraries.
5790 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5792 * doc/md.texi: Refer to i386/constraints.md instead of
5794 * config/i386/constraints.md: New file, extracted from...
5795 * config/i386/predicates.md: ...here.
5796 * config/i386/i386.md: Include constraints.md.
5798 2006-03-21 Jason Merrill <jason@redhat.com>
5800 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5803 * expr.c (init_block_move_fn): Force default visibility.
5804 (init_block_clear_fn): Likewise.
5805 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5806 * targhooks.c (default_external_stack_protect_fail): Likewise.
5808 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5810 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5811 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5812 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5813 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5814 (loadgp): Use mips_current_loadgp_style.
5815 (loadgp_noshared): New pattern.
5816 (sibcall_internal): Use MIPS_CALL.
5817 (sibcall_value_internal): Likewise.
5818 (sibcall_value_multiple_internal): Likewise.
5819 (call_internal): Likewise.
5820 (call_value_internal): Likewise.
5821 (call_value_multiple_internal): Likewise.
5822 (call_split): Use MIPS_CALL and add an 'S' constraint.
5823 (call_value_split): Likewise.
5824 (call_value_multiple_split): Likewise.
5825 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5826 (-mshared): New option.
5827 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5828 (mips_current_loadgp_style): Declare.
5829 * config/mips/mips.c (mips_classify_symbol): Avoid using
5830 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5831 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5832 TARGET_ABSOLUTE_ABICALLS.
5833 (override_options): Adjust comments. Improve the warning that is
5834 issued when -mabicalls and -G are used together.
5835 (mips_file_start): Remove comment.
5836 (mips_current_loadgp_style): New function.
5837 (mips_gnu_local_gp): New variable.
5838 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5840 (mips_output_function_prologue): Use mips_current_laodgp_style.
5841 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5842 the cprestore instruction.
5843 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5844 live for TARGET_ABSOLUTE_ABICALLS.
5845 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5846 (ASM_SPEC): Pass down -mshared and -mno-shared.
5847 (MIPS_CALL): New macro.
5848 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5850 * doc/invoke.texi (-mabicalls): Update documentation.
5851 (-mshared): Document.
5853 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5855 * config/ia64/unwind-hpux.c: New file.
5856 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5858 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5861 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5863 2006-03-21 Jeff Law <law@redhat.com>
5865 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5866 type conversions of a VR_VARYING source to a wider type.
5868 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5870 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5871 tm_file on Solaris 10 and later.
5872 (sparc64-*-solaris2*): Likewise.
5873 (sparc-*-solaris2*): Likewise.
5874 * config/sol26.h: Rename to config/sol2-6.h.
5875 * config/sol2-10.h: New file.
5877 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5880 * tree-ssa-pre.c (create_component_ref_by_pieces):
5883 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5886 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5887 return it immediately.
5889 2006-03-21 Michael Matz <matz@suse.de>
5891 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5893 (remove_arc, add_arc): Update num_out_arcs member.
5894 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5896 (cache_presence): New function.
5897 (compare_states_for_equiv): New function.
5898 (state_is_differed): Don't take number of outargs, adjust callers.
5899 Use new invariant for speeding up.
5900 (init_equiv_class): Create initial classes based on sorted
5902 (partition_equiv_class): Don't track out_arcs_num.
5903 (evaluate_equiv_classes): Call cache_presence on all states and
5906 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5908 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5909 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5910 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5911 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5913 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5914 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5915 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5916 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5917 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5919 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5920 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5921 (REGNO_REG_CLASS): ARGP is in PREGS.
5922 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5924 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5925 to deal with those addresses.
5926 * addresses.h: New file.
5927 * caller-save.c: Include "addresses.h".
5928 (init_caller_save): Use new base_reg_class function.
5929 * rtl-factoring.c: Include "addresses.h".
5930 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5931 * recog.c: Include "addresses.h".
5932 (preprocess_constraints): Use new base_reg_class function.
5933 * regrename.c: Include "addresses.h".
5934 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5935 functions. Keep track of a new var INDEX_CODE to compute valid
5937 (replace_oldest_value_addr): Likewise.
5938 (replace_oldest_value_mem): Use base_reg_class.
5939 * reload.c: Include "addresses.h".
5940 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5941 (find_reloads): Use new base_reg_class function.
5942 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5943 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5944 all callers and prototype changed.
5945 * reload1.c: Include "addresses.h".
5946 (maybe_fix_stack_asms): Use base_reg_class.
5947 * regclass.c: Include "addresses.h".
5948 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5949 (init_reg_autoinc): Use new base_reg_class function.
5950 (record_reg_classes): Likewise.
5951 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5952 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5953 Use new args to compute necessary class.
5955 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5956 regrename.o, rtl-factoring.o): Update dependencies.
5957 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5958 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5959 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5960 REG_OK_FOR_INDEX_P): Delete documentation.
5962 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5964 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5965 from V7 to V9 for Solaris 7 and above.
5967 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5969 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5970 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5971 argument pointers may not alias any other storage.
5972 * common.opt: Define option -fargument-noalias-anything.
5973 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5974 alias semantics is specified by flag_argument_noalias > 2.
5976 2006-03-20 Jeff Law <law@redhat.com>
5978 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5979 (pass_phi_only_cprop): Declare.
5980 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5982 * tree-ssa-dom.c (degenerate_phi_result): New function.
5983 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5984 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5985 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5986 (eliminate_degenerate_phis): Likewise.
5987 (pass_phi_only_cprop): New pass descriptor.
5988 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5989 support code. Callers updated.
5990 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5991 (store_copy_prop): Likewise.
5992 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5994 2006-03-20 Jason Merrill <jason@redhat.com>
5997 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5998 (push_visibility, pop_visibility): Likewise.
5999 * c-pragma.h: Declare them.
6001 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6003 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6005 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6006 parameter and use get_ebb_head_tail.
6007 (sh_md_init_global): Adjust uses of find_regmode_weight.
6009 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6011 * function.h (struct function) <x_tail_recursion_reentry>:
6012 Rename to x_stack_check_probe_note.
6013 (tail_recursion_reentry): Rename to stack_check_probe_note.
6014 * function.c: Replace tail_recursion_reentry with
6015 stack_check_probe_note everywhere.
6016 (expand_function_start): Only emit a note for
6017 stack_check_probe_note with -fstack-protect.
6018 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6020 * emit-rtl.c (remove_unnecessary_notes): Remove.
6021 (pass_remove_unnecessary_notes): Remove.
6022 * rtl.h (remove_unnecessary_notes): Remove prototype.
6023 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6024 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6025 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6027 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6030 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6031 (valid_in_set): Handle ARRAY_REF.
6032 Change "if min_variant or VH" to asserts.
6033 (create_component_ref_by_pieces): Handle ARRAY_REF.
6034 (create_expression_by_pieces): Likewise.
6035 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6037 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6039 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6040 is operand of switch, not str[0].
6042 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6044 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6045 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6047 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6049 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6050 end of insn_extra_address_constraint declaration.
6052 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6054 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6055 (no-sum-in-toc): Same.
6056 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6058 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6059 NO_FP_IN_TOC for -fPIC instead of mask.
6061 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6062 (BOOT_LDFLAGS): Delete.
6064 * config/rs6000/t-aix52: Same.
6066 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6067 (stmsi[345678]_power): New.
6069 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6071 * config/ia64/ia64.opt: Add empty line to end of file.
6073 2006-03-17 Richard Guenther <rguenther@suse.de>
6076 * builtins.c (get_pointer_alignment): For component style references
6077 adjust alignment to the component type alignment. Make sure
6078 to adjust alignment for component access of constants.
6080 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6082 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6085 2006-03-17 Paul Brook <paul@codesourcery.com>
6087 * doc/install.texi: Docuemnt --with-mode.
6088 * config.gcc: Add --with-mode for arm*-*-*.
6089 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6091 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6093 * sh.c (max_labelno_before_reorg): New variable.
6094 (sh_reorg): Initialize it.
6095 (find_barrier): Check max_labelno_before_reorg before using
6096 label_to_alignment. Take length of explicit alignment insns
6097 into account. When seeing a UNSPECV_CONST_END, return it.
6099 * sh.c (fixup_mova): Set mode of affected label to QImode.
6100 (untangle_mova): New function.
6101 (find_barrier): Use it. Check mode of label before decrementing
6103 (sh_reorg): Likewise.
6104 Set mode of all insns back to VOIDmode.
6106 * sh.c (MOVA_LABELREF): New macro.
6107 (mova_p, fixup_mova, sh_reorg): Use it.
6108 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6109 ADDR_DIFF_VEC matches mova.
6111 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6113 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6114 with ATTRIBUTE_UNUSED.
6116 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6118 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6119 pointer, instead of assuming it is possible to derive the
6120 correct args size from a call insn.
6122 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6124 * rtl.h (CONST_INT_P): Define.
6125 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6126 instead of GET_CODE(x) == CONST_INT.
6127 (vax_rtx_costs): Likewise.
6128 (vax_output_int_move): Likewise.
6129 (vax_output_int_add): Likewise.
6130 (legitimate_constant_address_p): Likewise.
6131 (index_term_p): Likewise.
6132 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6133 * config/vax/vax.md (and<mode>3): Likewise.
6134 (ashrsi3): Likewise.
6136 (movstricthi): Likewise.
6137 (movstrictqi): Likewise.
6138 (rotrsi3): Likewise.
6139 (five unnamed insns): Likewise.
6141 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6143 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6144 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6145 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6146 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6147 Pass to ASM_OUTPUT_DWARF_OFFSET.
6148 * dwarf2out.c (debug_frame_section): New.
6149 (output_call_frame_info): Use debug_frame_section. Pass it to
6150 dw2_asm_output_offset.
6151 (output_die): Pass appropriate section to dw2_asm_output_offset.
6152 (output_compilation_unit_header): Likewise.
6153 (output_pubnames): Likewise.
6154 (output_aranges): Likewise.
6155 (enum dw_val_class): Break dw_val_class_lbl_offset into
6156 dw_val_class_lineptr and dw_val_class_macptr.
6157 (add_AT_lbl_offset): Delete.
6158 (add_AT_lineptr): New.
6159 (add_AT_macptr): New.
6160 (AT_lbl): Expect a lineptr or macptr.
6161 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6162 (attr_checksum): Likewise.
6163 (same_dw_val_p): Likewise.
6164 (size_of_die): Likewise.
6165 (value_format): Likewise.
6166 (output_die): Likewise.
6167 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6169 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6170 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6171 * config/darwin-protos.h (darwin_file_start): New.
6172 (darwin_asm_output_dwarf_offset): New.
6173 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6174 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6176 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6177 if not EH section; simplify.
6178 (darwin_file_start): New.
6179 (darwin_asm_output_dwarf_offset): New.
6180 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6182 (DEBUG_INFO_SECTION): Likewise.
6183 (DEBUG_ABBREV_SECTION): Likewise.
6184 (DEBUG_ARANGES_SECTION): Likewise.
6185 (DEBUG_MACINFO_SECTION): Likewise.
6186 (DEBUG_LINE_SECTION): Likewise.
6187 (DEBUG_LOC_SECTION): Likewise.
6188 (DEBUG_PUBNAMES_SECTION): Likewise.
6189 (DEBUG_STR_SECTION): Likewise.
6190 (DEBUG_RANGES_SECTION): Likewise.
6191 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6192 (ASM_OUTPUT_DWARF_OFFSET): New.
6194 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6196 * config.gcc (tm_defines): Always add to previous value rather
6199 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6201 * config/mips/predicates.md (splittable_const_int_operand): New,
6202 split from move_operand.
6203 (splittable_symbolic_operand): New.
6204 (move_operand): Add commentary. Use splittable_const_int_operand.
6205 Inline mips_atomic_symbolic_constant_p.
6206 * config/mips/mips.md: Add combine splitters for handling moves
6207 of splittable_const_int_operands and splittable_symbolic_operands.
6208 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6209 (mips_split_symbol): Declare.
6210 (mips_move_integer): Declare.
6211 * config/mips/mips.c (mips_split_p): Make global.
6212 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6213 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6214 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6215 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6216 (mips_offset_within_object_p): Handle block symbols.
6217 (mips_atomic_symbolic_constant_p): Delete.
6218 (mips_cannot_force_const_mem): Return false for constants that
6219 mips_legitimize_move can handle.
6220 (mips_use_blocks_for_constant_p): New function.
6221 (mips_split_symbol): Make global.
6222 (mips_move_integer): Likewise. Add a temporary register argument.
6223 (mips_legitimize_const_move): Use splittable_const_int_operand and
6224 splittable_symbolic_operand.
6225 (mips_use_anchors_for_symbol_p): New function.
6226 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6227 (mips_split_p): Declare.
6229 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6231 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6232 (mips*-*-linux*): Likewise.
6234 2006-03-16 Roger Sayle <roger@eyesopen.com>
6235 Daniel Speyer <dspeyer@wam.umd.edu>
6238 * tree-dump.c (dump_real): New function.
6239 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6240 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6241 (tree-dump.o): Add $(REAL_H) to the dependencies.
6243 2006-03-16 Roger Sayle <roger@eyesopen.com>
6246 * real.c (real_from_string): If the mantissa is zero, don't bother
6247 parsing the exponent as the result should always be zero.
6249 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6251 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6253 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6255 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6256 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6257 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6258 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6259 ia64_sched_finish_global): New static functions to implement
6260 hooks from gcc_target.sched.
6261 (spec_check_no, max_uid, pending_data_specs): New static variables.
6262 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6263 ia64_spec_check_src_p): New static functions.
6264 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6265 (TARGET_SCHED_ADJUST_COST): Removed.
6266 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6267 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6268 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6269 TARGET_SCHED_GEN_CHECK,
6270 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6271 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6272 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6273 Fixed to handle speculation checks.
6274 (rtx_needs_barrier): Fixed to handle speculative loads and
6276 (ia64_variable_issue): Added code to count speculative loads and their
6278 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6280 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6282 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6284 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6285 (ia64_reorg): Reset stops_p to NULL after it is freed.
6286 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6287 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6288 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6290 (data_speculative, control_speculative, check_load): New attributes.
6291 (mov<mode>_advanced, mov<mode>_speculative,
6292 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6293 zero_extend<mode>di2_speculative,
6294 zero_extend<mode>di2_speculative_advanced): New patterns for
6295 data and control speculative loads.
6296 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6298 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6299 New pattern for data and control speculation checks.
6300 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6301 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6302 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6303 Auxiliary definitions for the patterns.
6304 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6305 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6307 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6309 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6310 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6311 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6312 New resource constraints.
6313 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6315 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6316 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6317 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6318 msched-in-control-spec, msched-ldc, msched-control-ldc,
6319 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6320 msched-prefer-non-control-spec-insns,
6321 msched-count-spec-in-critical-path): New flags to tune speculative
6323 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6324 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6325 msched-in-control-spec, msched-ldc, msched-control-ldc,
6326 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6327 msched-prefer-non-control-spec-insns,
6328 msched-count-spec-in-critical-path): Document new flags.
6330 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6332 * target.h (struct spec_info_def): New opaque declaration.
6333 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6334 speculate_insn, needs_block_p, gen_check,
6335 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6336 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6337 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6338 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6339 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6340 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6342 (TARGET_SCHED): Use new macros.
6343 * rtl.h (copy_DEPS_LIST_list): New prototype.
6344 * sched-int.h (struct sched_info): Change signature of new_ready field,
6345 adjust all initializations. New fields: add_remove_insn,
6346 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6347 region_head_or_leaf_p.
6348 (struct spec_info_def): New structure declaration.
6349 (spec_info_t): New typedef.
6350 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6351 recovery_block, orig_pat.
6352 (glat_start, glat_end): New variables declaraions.
6353 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6355 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6356 DETACH_LIFE_INFO, USE_GLAT.
6357 (enum SPEC_SCHED_FLAGS): New enumeration.
6358 (NOTE_NOTE_BB_P): New macro.
6359 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6360 attach_life_info, debug_spec_status, check_reg_live): New functions.
6361 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6362 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6364 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6365 * ddg.c (get_block_head_tail): Adjust all uses.
6366 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6367 (sms_sched_info): Initialize new fields.
6368 (contributes_to_priority): Removed.
6369 * haifa-sched.c (params.h): New include.
6370 (get_block_head_tail): Adjust all uses.
6371 (ISSUE_POINTS): New macro.
6372 (glat_start, glat_end): New global variables.
6373 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6374 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6375 old_last_basic_block, before_recovery, current_sched_info_var,
6376 rgn_n_insns, luid): New static variables.
6377 (insn_cost1): New function. Move logic from insn_cost to here.
6378 (find_insn_reg_weight1): New function. Move logic from
6379 find_insn_reg_weight to here.
6380 (reemit_notes, move_insn, max_issue): Change signature.
6381 (move_insn1): Removed.
6382 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6383 extend_bb): New static functions to support extension of scheduler's
6385 (generate_recovery_code, process_insn_depend_be_in_spec,
6386 begin_speculative_block, add_to_speculative_block,
6387 init_before_recovery, create_recovery_block, create_check_block_twin,
6388 fix_recovery_deps): New static functions to support
6389 generation of recovery code.
6390 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6391 restore_bb_notes, move_block_after_check, move_succs): New static
6392 functions to support ebb scheduling.
6393 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6394 functions to support handling of register live information.
6395 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6396 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6397 add_jump_dependencies): New static functions.
6398 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6399 consistancy checking.
6400 (debug_spec_status): New function to call from debugger.
6401 (priority): Added code to handle speculation checks.
6402 (rank_for_schedule): Added code to distinguish speculative instructions.
6403 (schedule_insn): Added code to handle speculation checks.
6404 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6405 Fixed to handle ebbs.
6406 (move_insn): Added code to handle ebb scheduling.
6407 (max_issue): Added code to use ISSUE_POINTS of instructions.
6408 (choose_ready): Added code to choose between speculative and
6409 non-speculative instructions.
6410 (schedule_block): Added code to handle ebb scheduling and scheduling of
6411 speculative instructions.
6412 (sched_init): Initialize new variables.
6413 (sched_finish): Free new variables. Print statistics.
6414 (try_ready): Added code to handle speculative instructions.
6415 * lists.c (copy_DEPS_LIST_list): New function.
6416 * sched-deps.c (extend_dependency_caches): New function. Move logic
6417 from create_dependency_caches to here.
6418 (get_dep_weak, ds_merge): Make global.
6419 * genattr.c (main): Code to output prototype for
6420 dfa_clear_single_insn_cache.
6421 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6422 (output_dfa_clean_insn_cache_func): Code to output
6423 dfa_clear_single_insn_cache function.
6424 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6426 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6428 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6429 New static variables.
6430 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6431 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6433 (ebb_sched_info): Initialize new fields.
6434 (get_block_head_tail): Adjust all uses.
6435 (compute_jump_reg_dependencies): Fixed to use glat_start.
6436 (schedule_ebb): Code to remove unreachable last block.
6437 (schedule_ebbs): Added code to update register live information.
6438 * sched-rgn.c (region_sched_info): Initialize new fields.
6439 (get_block_head_tail): Adjust all uses.
6440 (last_was_jump): Removed. Adjust users.
6441 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6442 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6443 Implement new hooks.
6444 (check_dead_notes1): New static function.
6445 (struct region): New fields: dont_calc_deps, has_real_ebb.
6446 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6447 (BB_TO_BLOCK): Fixed to handle EBBs.
6448 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6449 (ebb_head): New static variable.
6450 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6451 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6453 (compute_dom_prob_ps): New assertion.
6454 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6455 global_live_at_start.
6456 (init_ready_list): New assertions.
6457 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6458 (new_ready): Add support for BEGIN_CONTROL speculation.
6459 (schedule_insns): Fixed code that updates register live information
6461 (schedule_region): Fixed to handle EBBs.
6462 (init_regions): Use extend_regions and check_dead_notes1.
6463 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6464 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6465 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6466 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6467 TARGET_SCHED_GEN_CHECK,
6468 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6469 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6470 * doc/invoke.texi (max-sched-insn-conflict-delay,
6471 sched-spec-prob-cutoff): Document.
6473 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6475 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6476 inter_tick, queue_index.
6477 (struct sched_info): Change signature of init_ready_list field.
6478 Adjust all initializations.
6479 (RESOLVED_DEPS): New access macro.
6480 (ready_add): Remove prototype.
6481 (try_ready): Add prototype.
6482 * sched-rgn.c (init_ready_list): Use try_ready.
6483 (schedule_region): Initialize
6484 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6485 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6486 (init_ready_list): Use try_ready.
6487 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6488 * lists.c (remove_list_elem): Remove `static'.
6489 (remove_free_INSN_LIST_elem): New function.
6490 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6491 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6492 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6494 (readyp): New variable.
6495 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6496 change_queue_index, resolve_dep): New static functions.
6497 (try_ready): New function. Adjust callers in sched-rgn.c and
6498 sched-ebb.c to use it instead of ready_add.
6499 (clock_var): Move at the begining of file.
6500 (rank_for_schedule): Fix typo.
6501 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6502 (ready_lastpos): Enforce assertion.
6503 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6505 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6506 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6507 (queue_to_ready): Use free_INSN_LIST_list.
6508 (early_queue_to_ready): Fix typo.
6509 (schedule_block): Init readyp. Move init_ready_list call after the
6510 initialization of clock_var. Fix error in rejecting insn by
6511 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6512 that previously corrected INSN_TICKs. Add code for handling
6514 (set_priorities): Fix typo.
6515 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6516 Clarify comment and code that keeps current_sched_info->next_tail
6519 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6521 * sched-rgn.c (extend_rgns): New static function.
6522 (find_rgns): Use it.
6523 (gather_region_statistics, print_region_statistics): New static
6525 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6526 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6528 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6529 Andrey Belevantsev <abel@ispras.ru>
6531 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6532 * lists.c (unused_deps_list): New variable.
6533 (free_list): Add assertions to verify the proper distinguishing
6534 between INSN_LISTs and DEPS_LISTs.
6535 (find_list_elem, remove_list_elem, remove_list_node): New static
6537 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6538 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6539 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6540 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6542 (free_INSN_LIST_node): Likewise.
6543 * modulo-sched.c (current_sched_info): Initialize flags field.
6544 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6545 * rtl.def (DEPS_LIST): Define.
6546 * rtl.h: Declare new functions from lists.c.
6547 * sched-deps.c (spec_dependency_cache): New static variable.
6548 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6549 (add_dependence): Change return type to void. Move the logic to ...
6550 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6551 (delete_all_dependences): Add comment about forward_dependency_cache.
6552 Handle spec_dependency_cache. Handle DEPS_LISTs.
6553 (fixup_sched_groups): Clarify the change of priority of output
6554 and anti dependencies.
6555 (sched_analyze_2): Adjust add_dependence calls to create data
6556 speculative dependence.
6557 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6558 Adjust all callers. Handle DEPS_LISTS.
6559 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6560 presence of speculation.
6561 (init_dependency_caches, free_dependency_caches):
6562 Handle spec_dependency_cache.
6563 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6564 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6565 New static functions.
6566 (add_or_update_back_dep, add_or_update_back_forw_dep,
6567 add_back_forw_dep, delete_back_forw_dep): New functions.
6568 * sched-int.h (ds_t, dw_t): New typedefs.
6569 (struct sched_info): Add new field flags.
6570 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6571 Prototype new sched-deps.c functions.
6572 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6573 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6574 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6575 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6576 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6577 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6579 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6581 * sched-rgn.c (current_sched_info): Initialize flags field.
6582 (schedule_insns): Initialize current_sched_info before the sched_init
6584 * sched-ebb.c (current_sched_info): Initialize flags field.
6585 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6586 Call add_or_update_back_dep instead of add_dependence.
6587 Create control speculative dependencies.
6588 (schedule_insns): Initialize current_sched_info before the sched_init
6591 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6593 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6595 (sh_fallback_frame_state): Likewise.
6597 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6599 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6600 Do switch on default_use_cxa_atexit.
6601 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6602 * config/darwin-crt3.o: New.
6603 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6604 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6605 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6607 * config/rs6000/t-darwin: Move crt2.o building to here.
6608 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6609 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6612 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6614 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6615 from '! xxx' to '!xxx' for coding-style conformance.
6616 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6617 (EXTRA_CONSTRAINT): Likewise.
6618 * config/vax/vax.md (four unnamed insns): Likewise.
6620 2006-03-15 Paul Brook <paul@codesourcery.com>
6622 * config/arm/arm.c (minipool_pad): New.
6623 (add_minipool_forward_ref): Include pool alignment padding in address
6625 (push_minipool_fix): Set minipool_pad.
6626 (minipool_pad): Ditto.
6628 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6630 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6631 instead of GET_CODE() == MEM and REG_P() instead of
6633 (print_operand_address): Likewise.
6634 (vax_address_cost): Likewise.
6635 (vax_rtx_costs): Likewise.
6636 (vax_notice_update_cc): Likewise.
6637 (vax_output_int_add): Likewise.
6638 (INDEX_REGISTER_P): Likewise.
6639 (BASE_REGISTER_P): Likewise.
6640 (nonindexed_address_p): Likewise.
6641 (vax_mode_dependent_address_p): Likewise.
6642 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6643 (PRINT_OPERAND): Likewise.
6644 * config/vax/vax.md (ashlsi3): Likewise.
6645 (ashlsi3): Likewise.
6646 (some more unnamed insns): Likewise.
6648 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6650 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6651 iterator-style macro.
6652 (mark_control_dependent_edges_necessary): Update the use of
6653 EXECUTE_IF_CONTROL_DEPENDENT.
6655 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6657 * config/sh/predicates.md (cache_address_operand): Special.
6658 (ua_address_operand): Likewise.
6660 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6662 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6664 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6666 2006-03-15 Andreas Schwab <schwab@suse.de>
6668 * gensupport.c (identify_predicable_attribute): Don't free p_false
6669 when it is still in use.
6671 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6673 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6674 the default setting here.
6676 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6678 * tree-pass.h (pass_cfg): Remove.
6679 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6680 * passes.c (pass_cfg): Don't run it.
6682 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6684 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6685 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6687 (stack_regs_mentioned): Update the uses of
6688 stack_regs_mentioned_data. Don't access the array beyond its
6690 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6691 Don't include gt-reg-stack.h.
6693 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6694 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6696 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6699 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6702 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6704 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6706 2006-03-14 Richard Guenther <rguenther@suse.de>
6708 PR tree-optimization/26672
6709 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6712 2006-03-14 Richard Guenther <rguenther@suse.de>
6714 PR tree-optimization/26667
6715 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6716 node for the callees. Always allow inlining if it will shrink
6719 2006-03-14 Richard Guenther <rguenther@suse.de>
6722 * builtins.c (get_pointer_alignment): Prefer alignment
6723 information from decls over that from types.
6725 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6728 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6730 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6732 * config/rs6000/rs6000.opt (mdlmzb): New option.
6733 (msched-prolog, msched-epilog): Use Var not Mask.
6734 * doc/invoke.texi (-mdlmzb): Document.
6735 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6737 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6738 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6740 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6742 PR rtl-optimization/25739
6743 * bt-load.c (augment_live_range): Free tos pointer.
6745 * gensupport.c (identify_predicable_attribute): Free
6747 * gcov.c (create_file_names): Free name pointer.
6749 2006-03-13 Roger Sayle <roger@eyesopen.com>
6752 * stmt.c (emit_case_nodes): Handle the case where the index is a
6753 CONST_INT, where the comparison mode is specified by the index type.
6755 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6757 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6760 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6762 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6763 (*branch_fp_inverted): Likewise.
6765 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6768 * omp-low.c (expand_omp_for_generic): Mark istart0
6769 and iend0 as addressable.
6771 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6773 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6775 2006-03-13 Jeff Law <law@redhat.com>
6777 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6778 virtual operands are interesting.
6779 (vrp_visit_stmt): Corresponding changes.
6781 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6783 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6785 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6786 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6787 * config/bfin/crti.S: Use it instead of __PIC__.
6788 * config/bfin/crtn.S: Likewise.
6790 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6791 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6793 Lose 'G' modifier for call operand.
6794 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6795 recognize 'G' modifier.
6797 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6800 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6801 * stmt.c (expand_case): Likewise.
6803 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6805 PR rtl-optimization/26254
6806 * loop-invariant.c (seq_insns_valid_p): New function.
6807 (move_invariant_reg): Only emit new code if it is valid.
6809 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6811 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6813 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6814 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6815 (commit_one_edge_insertion): Do not look for loop notes.
6817 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6819 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6820 flag_test_coverage out of loop.
6822 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6824 * final.c (shorten_branches): Remove outdated comment, and turn
6825 the if branch that guards it to continue.
6827 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6829 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6830 * cfgloop.h (struct loop): Remove unused fields.
6832 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6834 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6835 (-dL, -fdump-rtl-loop2): Update the dump file names
6837 * doc/invoke.texi: Update dump file names.
6839 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6841 * predict.c (estimate_probability): Remove.
6842 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6843 * basic-block.h (estimate_probability): Remove prototype.
6844 * passes.c (finish_optimization_passes): Dump branch prediction or
6845 profiling heuristics to the .profile tree dump.
6846 (init_optimization_passes): Unqueue pass_branch_prob.
6848 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6850 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6852 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6853 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6855 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6857 * function.h (frame_offset_overflow): Declare.
6858 * function.c (frame_offset_overflow): New function.
6859 (assign_stack_local_1): Call it to detect that the offset overflows.
6860 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6862 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6864 * config/sh/sh.c: Include alloc-pool.h.
6865 (label_ref_list_pool): New alloc pool.
6866 (label_ref_list_t): New type for lists of labels.
6867 (struct pool_node): Make wend a label_ref_list_t.
6868 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6870 (dump_table): Likewise.
6871 (sh_reorg): Set up the alloc pool before using add_constant and
6872 dump_table, and destroy it when finishing.
6874 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6876 * config/mips/mips.c: Remove redundant comment.
6878 2006-03-10 Jason Merrill <jason@redhat.com>
6881 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6882 the target was declared 'register'.
6884 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6886 * genpreds.c (write_insn_constraint_len): Change definition of
6887 insn_constraint_len to return size_t to match the declaration.
6889 2006-03-10 DJ Delorie <dj@redhat.com>
6891 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6893 (m32c_expand_insv): Fix test for an AND mask.
6895 2006-03-10 Richard Guenther <rguenther@suse.de>
6898 * builtins.c (get_pointer_alignment): Handle component
6899 references for field alignment.
6901 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6903 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6904 when building with libgloss.
6905 (sh*elf): Implement --without-fp option.
6906 (sh64-superh-linux*): Don't multilib.
6908 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6910 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6912 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6914 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6915 Set it when one of the replacement functions returned true.
6916 Return TODO_cleanup_cfg if cfgchanged is true.
6917 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6919 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6921 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6922 instead of gen_lowpart.
6924 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6926 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6928 (mips_output_order_conditional_branch): Declare.
6929 * config/mips/mips.h (MIPS_BRANCH): New macro.
6930 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6931 for the comparison. Use gen_condjump.
6932 (mips_output_conditional_branch): Rework interface to take the
6933 asm templates for a direct branch and the inverse of a direct branch.
6934 (mips_output_order_conditional_branch): New function.
6935 (mips_builtin_branch_and_move): New function.
6936 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6937 branch condition. Use gen_single_cc as the condition for
6938 __builtin_mips_upper_* or __builtin_mips_lower_*.
6939 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6940 Use VOIDmode for the branch condition.
6941 * config/mips/predicates.md (order_operator): New predicate.
6942 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6943 (branch_fp): Rename to...
6944 (*branch_fp): ...this. Remove mode from comparison operator.
6945 Use new mips_output_conditional_branch interface.
6946 (branch_fp_inverted): Rename to...
6947 (*branch_fp_inverted): ...this and update as for *branch_fp.
6948 (*branch_zero<mode>): Rename to...
6949 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6950 Use mips_output_order_conditional_branch. Only accept ordered
6952 (*branch_zero<mode>_inverted): Rename to...
6953 (*branch_order<mode>_inverted): ...this and update as for
6954 *branch_order<mode>.
6955 (*branch_equality<mode>): Accept zero as the second operand to
6956 the equality operator. Use the new mips_output_conditional_branch
6958 (*branch_equality<mode>_inverted): Likewise.
6959 (condjump): New expander.
6960 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6962 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6963 (bc1any2t, bc1any2f): Likewise.
6964 (single_cc): New expander.
6965 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6967 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6969 * doc/md.texi: Update documentation of MIPS constraints.
6970 * config/mips/constraints.md: New file.
6971 * config/mips/mips.md: Include it.
6972 * config/mips/mips.c (mips_char_to_class): Delete.
6973 (override_options): Don't initialize mips_char_to_class.
6974 * config/mips/mips.h (mips_char_to_class): Delete.
6975 (REG_CLASS_FROM_LETTER): Delete.
6976 (CONST_OK_FOR_LETTER_P): Delete.
6977 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6978 (EXTRA_CONSTRAINT_Y): Delete.
6979 (EXTRA_CONSTRAINT_STR): Delete.
6980 (CONSTRAINT_LEN): Delete.
6981 (EXTRA_MEMORY_CONSTRAINT): Delete.
6983 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6985 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6986 original fn's eh regions.
6988 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6990 * fold-const.c (build_range_check): Make sure to use a valid type to
6991 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6994 (range_predecessor): New static function.
6995 (range_successor): Likewise.
6996 (merge_ranges): Use them to compute predecessors and successors of
6999 2006-03-09 Roger Sayle <roger@eyesopen.com>
7002 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7003 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7005 2006-03-08 DJ Delorie <dj@redhat.com>
7007 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7008 (addpsi3): Expand to include memory operands. Remove
7009 reload-specific splits.
7010 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7011 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7012 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7013 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7014 (shift1_qi, shift1_hi, insv): New.
7015 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7016 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7017 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7019 * config/m32c/m32c-protos.h: Update as needed.
7020 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7021 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7022 Fail for unrecognized R* constraints.
7023 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7024 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7025 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7027 (m32c_init_libfuncs): New.
7028 (m32c_legitimate_address_p): Add debug wrapper.
7029 (m32c_rtx_costs): New.
7030 (m32c_address_cost): New.
7031 (conversions): Add 'B' prefix.
7032 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7033 operands, or word regnames for QI operands. 'B' prints bit
7035 (m32c_expand_setmemhi): New.
7036 (m32c_expand_movmemhi): New.
7037 (m32c_expand_movstr): New.
7038 (m32c_expand_cmpstr): New.
7039 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7040 (m32c_expand_neg_mulpsi3): Handle non-ints.
7041 (m32c_cmp_flg_0): New.
7042 (m32c_expand_movcc): New.
7043 (m32c_expand_insv): New.
7044 (m32c_scc_pattern): New.
7045 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7046 a0/a1 out of SIregs.
7047 (STORE_FLAG_VALUE): New.
7048 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7051 * config/m32c/mov.md: Make constraints more liberal.
7052 (zero_extendqihi2): Optimize r0/r1 case.
7053 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7054 * config/m32c/predicates.md (m32c_any_operand): New.
7055 (m32c_nonimmediate_operand): New.
7056 (m32c_hl_operand): New.
7057 (m32c_r3_operand): New.
7060 (memsym_operand): New.
7061 (memimmed_operand): New.
7062 (a_qi_operand): New.
7063 (m32c_eqne_operator): New.
7064 (m32c_1bit8_operand): New.
7065 (m32c_1bit16_operand): New.
7066 (m32c_1mask8_operand): New.
7067 (m32c_1mask16_operand): New.
7068 * config/m32c/blkmov.md: New file.
7069 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7071 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7073 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7074 unsigned to fix signed/unsigned comparison issue in
7075 DWARF2_FRAME_REG_OUT.
7076 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7077 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7079 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7080 of ptr into the ENABLE_CHECKING section.
7082 2006-03-08 Jeff Law <law@redhat.com>
7084 * tree-vrp.c (infer_value_range): Only count pointer uses
7085 and dereferences if -fdelete-null-pointer-checks is enabled.
7087 * tree-vrp.c (find_assert_locations): Infer value ranges for
7088 single use pointers, but do not create ASSERT_EXPRs for them.
7089 When a non-null range is inferred for a pointer, backwards
7090 propagate that range to other equivalent pointers through the
7093 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7096 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7097 language hook targets.
7098 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7099 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7100 if language hook targets were missing.
7102 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7104 * tree-ssa-opfinalize.h: Removed.
7105 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7107 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7108 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7109 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7110 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7111 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7112 finalize_ssa_v_must_def_ops): New.
7114 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7116 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7119 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7121 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7123 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7124 addresses with offsets; reorganize.
7126 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7127 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7128 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7130 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7133 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7135 2006-03-08 Ben Elliston <bje@au.ibm.com>
7137 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7139 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7142 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7145 2006-03-07 Richard Guenther <rguenther@suse.de>
7147 PR tree-optimization/26587
7148 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7150 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7152 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7154 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7156 * hooks.c (hook_bool_mode_rtx_true): New function.
7157 * hooks.h (hook_bool_mode_rtx_true): Declare.
7158 * toplev.c (compile_file): Call output_shared_constant_pool.
7159 * varasm.c (shared_constant_pool): New variable.
7160 (assemble_start_function, assemble_end_function): Remove arguments
7161 from call to output_constant_pool.
7162 (create_constant_pool): New function, split out from...
7163 (init_varasm_status): ...here.
7164 (force_const_mem): Choose between the shared and per-function constant
7165 pools. Set current_function_uses_const_pool when reusing old entries
7166 as well as when creating new ones.
7167 (mark_constant): Ignore data argument.
7168 (mark_constants): Remove pool argument.
7169 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7170 to decide whether the function uses a constant pool.
7171 (output_constant_pool_contents): New function, split out from...
7172 (output_constant_pool): ...here.
7173 (output_shared_constant_pool): New function.
7174 (init_varasm_once): Initialize shared_constant_pool.
7175 * output.h (output_constant_pool): Delete.
7176 (output_shared_constant_pool): Declare.
7177 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7178 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7180 2006-03-06 Nick Clifton <nickc@redhat.com>
7182 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7183 flag_strength_reduce.
7185 2006-03-06 Ben Elliston <bje@au.ibm.com>
7187 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7188 x86_64-*-linux* configurations.
7190 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7191 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7193 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7195 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7197 * basic-block.h: Remove the extern for
7198 rediscover_loops_after_threading.
7200 * cfgloop.c (cancel_loop): Make it static.
7201 * cfgloop.h: Remove the prototype for cancel_loop.
7203 * flow.c (recompute_reg_usage): Make it static.
7204 * rtl.h: Remove the prototype for recompute_reg_usage.
7206 * function.c (use_return_register): Make it static.
7207 * function.h: Remove the prototype.
7209 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7211 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7213 * recog.h: Remove the prototype for
7214 validate_change_maybe_volatile.
7216 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7218 * rtlanal.c (replace_reg): Remove.
7219 * rtl.h: Remove the prototype for replace_reg.
7221 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7223 * regclass.c (reg_scan_update): Remove.
7224 (reg_scan_mark_refs): Remove the last argument.
7225 * rtl.h: Remove the prototype for reg_scan_update.
7227 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7229 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7230 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7231 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7232 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7233 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7234 loop-invariant.c, omp-low.c, opts.c, passes.c,
7235 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7236 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7237 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7238 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7239 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7240 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7242 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7244 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7245 * dwarf2out.h: Remove the prototype for
7246 dwarf2out_add_library_unit_info.
7248 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7250 * tree.c (add_var_to_bind_expr): Remove.
7251 * tree.h: Remove the prototype for add_var_to_bind_expr.
7253 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7255 * regclass.c (n_non_fixed_regs): Remove.
7256 (init_reg_sets_1, globalize_reg): Remove all uses of
7258 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7260 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7262 * rtlanal.c (insns_safe_to_move_p): Remove.
7263 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7265 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7267 * expmed.c (expand_mult_add): Remove.
7268 * expr.h: Remove the prototype for expand_mult_add.
7270 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7272 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7273 and REG_SAVED_VAL_EXP constants.
7274 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7275 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7276 Handle regs stored by value.
7277 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7278 (execute_cfa_program): Handle DW_CFA_val_offset,
7279 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7280 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7281 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7282 (uw_install_context_1): Handle target regs stored by value.
7284 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7286 * tree-sra.c (tree_sra): Return todoflags;
7287 (generate_one_element): Set TODO_update_smt_usage if needed.
7288 (pass_sra): Remove TODO_update_smt_usage.
7289 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7291 (tree_ssa_forward_propagate_single_use_vars): Return
7292 TODO_update_smt_usage if we need to update SMT usage.
7293 (pass_forwprop): Remove TODO_update_smt_usage.
7295 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7297 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7298 (correct_use_link): Remove reference to get_stmt_operands.
7299 (update_stmt_operands): Likewise.
7300 (get_modify_expr_operands): New function factored out of
7301 parse_ssa_operands and get_expr_operands.
7302 Try to create V_MUST_DEFs for LHS by default.
7303 (get_expr_operands) <case MODIFY_EXPR>: Call
7304 get_modify_expr_operands.
7305 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7306 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7307 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7308 get_modify_expr_operands.
7310 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7312 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7313 * tree-flow.h: Remove the prototype for
7314 referenced_var_lookup_if_exists.
7316 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7318 PR rtl-optimization/26345
7320 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7322 2006-03-03 Roger Sayle <roger@eyesopen.com>
7324 PR tree-optimization/26524
7325 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7326 fold_convert to create a constant of the appropriate type.
7328 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7330 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7331 SYMBOL_REF_IN_BLOCK_P.
7332 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7333 of SYMBOL_FLAG_IN_BLOCK.
7334 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7335 instead of SYMBOL_REF_IN_BLOCK_P.
7336 * explow.c (use_anchored_address): Likewise.
7337 * rtl.c (rtx_size): Likewise.
7338 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7339 instead of SYMBOL_FLAG_IN_BLOCK.
7340 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7341 SYMBOL_REF_IN_BLOCK_P.
7342 (assemble_variable): Likewise.
7343 (output_constant_def_contents): Likewise.
7344 (output_constant_pool): Likewise.
7345 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7346 instead of SYMBOL_FLAG_IN_BLOCK.
7347 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7348 SYMBOL_REF_IN_BLOCK_P.
7349 (SYMBOL_REF_BLOCK): Likewise.
7350 (SYMBOL_REF_OFFSET): Likewise.
7351 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7352 SYMBOL_REF_IN_BLOCK_P.
7353 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7354 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7355 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7356 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7358 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7360 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7362 2006-03-02 Roger Sayle <roger@eyesopen.com>
7364 * simplify-rtx.c (simplify_unary_operation): When simplifying
7365 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7366 that we perform the right shift in the appropriate mode, and
7367 then extend or truncate the result to requested mode.
7369 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7371 * gengtype.c (main): Handle double_int type.
7372 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7373 * double-int.c: New file.
7374 * double-int.h: New file.
7375 * system.h: Include doubleint.h.
7376 * Makefile.in (SYSTEM_H): Include double-int.h.
7377 (double-int.o): Add.
7379 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7382 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7385 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7387 * tree-vrp.c (remove_range_assertions): Do not update statements
7390 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7392 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7394 * gcse.c (rest_of_handle_gcse): Ditto.
7395 * except.c (gate_handle_eh): Ditto.
7396 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7397 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7399 2006-03-02 Eric Christopher <echristo@apple.com>
7401 * config/i386/i386.c (machopic_output_stub): Add indirection to
7404 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7408 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7410 Sun Niagara specific optimizations.
7411 * config.gcc: Recognize niagara as target.
7412 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7413 (TARGET_CPU_niagara): Define.
7414 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7415 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7416 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7417 (ASM_CPU_SPEC): Likewise.
7418 (PROCESSOR_NIAGARA): New enum entry.
7419 (REGISTER_MOVE_COST): Handle Niagara.
7420 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7421 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7422 (sparc_override_options): Recognize "niagara", set appropriate
7423 default MASK_* values for it, and align functions to 32-bytes
7424 by default just like ULTRASPARC/ULTRASPARC3.
7425 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7426 (sparc64_initialize_trampoline): Likewise.
7427 (sparc_use_sched_lookahead): Use zero for niagara.
7428 (sparc_issue_rate): Use one for niagara.
7429 * config/sparc/niagara.md: New file.
7430 * config/sparc/sparc.md: Include it.
7431 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7432 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7433 when default cpu is niagara.
7434 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7435 (ASM_CPU_SPEC): Likewise.
7436 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7437 when default cpu is niagara.
7438 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7439 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7440 just like v9/ultrasparc/ultrasparc3.
7441 * doc/invoke.texi: Add documentation for "niagara" and improve
7442 existing documentation for ultrasparc variants.
7444 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7446 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7448 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7450 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7451 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7452 and say that only one is needed.
7453 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7454 * target.h (have_switchable_bss_sections): New hook.
7455 * explow.c (use_anchored_address): Check that the symbol is in a block.
7456 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7457 (bss_noswitch_section): New variables.
7458 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7459 (get_noswitch_section): New function.
7460 (get_block_for_section): Allow SECT to be null.
7461 (unlikely_text_section_p): Use SECTION_STYLE.
7462 (bss_initializer_p): New function.
7463 (get_variable_section): Move earlier in file. Take a new argument,
7464 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7465 Return one of the new *_sections in such cases.
7466 (get_block_for_decl): New function, extracting some logic from
7467 use_blocks_for_decl_p.
7468 (change_symbol_section): Remove in favor of...
7469 (change_symbol_block): ...this new function.
7470 (use_blocks_for_decl_p): Remove checks now performed by
7472 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7473 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7474 (emit_local, emit_bss, emit_common): ...these new functions.
7475 Return true if the alignment was honored.
7476 (emit_tls_common): New function.
7477 (asm_emit_uninitialised): Delete.
7478 (assemble_variable_noswitch): New function, split out from...
7479 (assemble_variable): ...here. Don't make decisions about common
7480 variables here. Globalize all public decls that go into non-common
7481 sections. Check whether SYMBOL_REF_BLOCK is null.
7482 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7483 (output_constant_pool): Likewise.
7484 (init_varasm_once): Initialize the new section variables.
7485 (have_global_bss_p): New function.
7486 (categorize_decl_for_section): Use bss_initializer_p.
7487 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7488 (place_block_symbol): Assert that the symbol must be in a block.
7489 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7490 (TARGET_INITIALIZER): Include it.
7491 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7492 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7493 (SECTION_MACH_DEP): Bump by two.
7494 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7495 (unnamed_section): Mention SECTION_UNNAMED in comment.
7496 (named_section): Likewise SECTION_NAMED.
7497 (noswitch_section_callback): New type.
7498 (noswitch_section): New structure.
7499 (section): Add a noswitch_section alternative.
7500 (SECTION_STYLE): New macro.
7501 (tls_comm_section, comm_section, lcomm_section): Declare.
7502 (bss_noswitch_section, have_global_bss_p): Declare.
7503 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7504 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7506 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7507 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7510 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7512 * tree-vrp.c (execute_vrp): Return value.
7513 * regrename.c (rest_of_handle_regrename): Ditto.
7514 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7515 * tree-complex.c (tree_lower_complex): Ditto.
7516 (tree_lower_complex_O0): Ditto.
7517 * tracer.c (rest_of_handle_tracer): Ditto.
7518 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7519 * postreload.c (rest_of_handle_postreload): Ditto.
7520 * tree-tailcall.c (execute_tail_recursion): Ditto.
7521 (execute_tail_calls): Ditto.
7522 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7523 * tree.h (init_function_for_compilation): Ditto.
7524 * ipa-cp.c (ipcp_driver): Ditto.
7525 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7526 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7527 * final.c (compute_alignments): Ditto.
7528 (rest_of_handle_final): Ditto.
7529 (rest_of_handle_shorten_branches): Ditto.
7530 (rest_of_clean_state): Ditto.
7531 * omp-low.c (execute_expand_omp): Ditto.
7532 (execute_lower_omp): Ditto.
7533 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7534 * ipa-reference.c (static_execute): Ditto.
7535 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7536 * reorg.c (rest_of_handle_delay_slots): Ditto.
7537 (rest_of_handle_machine_reorg): Ditto.
7538 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7539 * flow.c (recompute_reg_usage): Ditto.
7540 (rest_of_handle_remove_death_notes): Ditto.
7541 (rest_of_handle_life): Ditto.
7542 (rest_of_handle_flow2): Ditto.
7543 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7544 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7545 (do_ssa_store_ccp): Ditto.
7546 (execute_fold_all_builtins): Ditto.
7547 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7548 * modulo-sched.c (rest_of_handle_sms): Ditto.
7549 * ipa-pure-const.c (static_execute): Ditto.
7550 * cse.c (rest_of_handle_cse): Ditto.
7551 (rest_of_handle_cse2): Ditto.
7552 * web.c (rest_of_handle_web): Ditto.
7553 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7554 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7555 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7556 * tree-nrv.c (tree_nrv): Ditto.
7557 (execute_return_slot_opt): Ditto.
7558 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7559 (create_structure_vars): Ditto.
7560 * loop-init.c (rtl_loop_init): Ditto.
7561 (rtl_loop_done): Ditto.
7562 (rtl_move_loop_invariants): Ditto.
7563 (rtl_unswitch): Ditto.
7564 (rtl_unroll_and_peel_loops): Ditto.
7565 (rtl_doloop): Ditto.
7566 * gimple-low.c (lower_function_body): Ditto.
7567 (mark_used_blocks): Ditto.
7568 * tree-ssa-sink.c (execute_sink_code): Ditto.
7569 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7570 (cgraph_early_inlining): Ditto.
7571 * global.c (rest_of_handle_global_alloc): Ditto.
7572 * jump.c (cleanup_barriers): Ditto.
7573 (purge_line_number_notes): Ditto.
7574 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7575 (rest_of_handle_if_after_reload): Ditto.
7576 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7577 (tree_ssa_loop_im): Ditto.
7578 (tree_ssa_loop_unswitch): Ditto.
7579 (tree_vectorize): Ditto.
7580 (tree_linear_transform): Ditto.
7581 (tree_ssa_loop_ivcanon): Ditto.
7582 (tree_ssa_empty_loop): Ditto.
7583 (tree_ssa_loop_bounds): Ditto.
7584 (tree_complete_unroll): Ditto.
7585 (tree_ssa_loop_prefetch): Ditto.
7586 (tree_ssa_loop_ivopts): Ditto.
7587 (tree_ssa_loop_done): Ditto.
7588 * predict.c (tree_estimate_probability): Ditto.
7589 * recog.c (split_all_insns_noflow): Ditto.
7590 (rest_of_handle_peephole2): Ditto.
7591 (rest_of_handle_split_all_insns): Ditto.
7592 * tree-eh.c (lower_eh_constructs): Ditto.
7593 * regmove.c (rest_of_handle_regmove): Ditto.
7594 (rest_of_handle_stack_adjustments): Ditto.
7595 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7596 * function.c (instantiate_virtual_regs): Ditto.
7597 (init_function_for_compilation): Ditto.
7598 (rest_of_handle_check_leaf_regs): Ditto.
7599 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7600 (rest_of_handle_gcse): Ditto.
7601 * ipa-type-escape.c (type_escape_execute): Ditto.
7602 * alias.c (rest_of_handle_cfg): Ditto.
7603 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7604 * profile.c (rest_of_handle_branch_prob): Ditto.
7605 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7606 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7607 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7608 * tree-dfa.c (find_referenced_vars): Ditto.
7609 * except.c (set_nothrow_function_flags): Ditto.
7610 (convert_to_eh_region_ranges): Ditto.
7611 (rest_of_handle_eh): Ditto.
7612 * emit-rtl.c (unshare_all_rtl): Ditto.
7613 (remove_unnecessary_notes): Ditto.
7614 * except.h (set_nothrow_function_flags): Ditto.
7615 (convert_to_eh_region_ranges): Ditto.
7616 * cfgexpand.c (tree_expand_cfg): Ditto.
7617 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7618 * tree-ssa-pre.c (do_pre): Ditto.
7619 (execute_fre): Ditto.
7620 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7621 (rest_of_handle_jump2): Ditto.
7622 * tree-sra.c (tree_sra): Ditto.
7623 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7624 (execute_mudflap_function_decls): Ditto.
7625 * tree-ssa-copy.c (do_copy_prop): Ditto.
7626 (do_store_copy_prop): Ditto.
7627 * ipa-prop.h (ipcp_driver): Ditto.
7628 * cfglayout.c (insn_locators_initialize): Ditto.
7629 * tree-ssa-forwprop.c
7630 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7631 * cfglayout.h (insn_locators_initialize): Ditto.
7632 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7633 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7634 (execute_late_warn_uninitialized): Ditto.
7635 * rtl.h (cleanup_barriers): Ditto.
7636 (split_all_insns_noflow): Ditto.
7637 (purge_line_number_notes): Ditto.
7638 (unshare_all_rtl): Ditto.
7639 (remove_unnecessary_notes): Ditto.
7640 (recompute_reg_usage): Ditto.
7641 (variable_tracking_main): Ditto.
7642 * integrate.c (emit_initial_value_sets): Ditto.
7643 * integrate.h (emit_initial_value_sets): Ditto.
7644 * tree-optimize.c (execute_free_datastructures): Ditto
7645 (execute_free_cfg_annotations): Ditto.
7646 (execute_fixup_cfg): Ditto.
7647 (execute_cleanup_cfg_pre_ipa): Ditto.
7648 (execute_cleanup_cfg_post_optimizing): Ditto.
7649 (execute_init_datastructures): Ditto.
7650 * tree-object-size.c (compute_object_sizes): Ditto.
7651 * combine.c (rest_of_handle_combine): Ditto.
7652 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7653 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7654 (rest_of_handle_reorder_blocks): Ditto.
7655 (rest_of_handle_partition_blocks): Ditto.
7656 * var-tracking.c (variable_tracking_main): Ditto.
7657 * tree-profile.c (tree_profiling): Ditto.
7658 * tree-vect-generic.c (expand_vector_operations): Ditto.
7659 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7660 * sched-rgn.c (rest_of_handle_sched): Ditto.
7661 (rest_of_handle_sched2): Ditto.
7662 * basic-block.h (free_bb_insn): Ditto.
7663 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7664 * tree-cfg.c (execute_build_cfg): Ditto.
7665 (remove_useless_stmts): Ditto.
7666 (split_critical_edges): Ditto.
7667 (execute_warn_function_return): Ditto.
7668 (execute_warn_function_noreturn): Ditto.
7669 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7670 * cfgrtl.c (free_bb_for_insn): Ditto.
7671 * passes.c (execute_one_pass): Run additional
7672 todos returned by execute function.
7673 * tree-pass.h (struct tree_opt_pass): Make execute
7676 2006-03-02 Richard Guenther <rguenther@suse.de>
7678 * tree-ssa-alias.c (find_used_portions): Consider taking
7679 the address as making the variable not write-only.
7681 2006-03-02 Nick Clifton <nickc@redhat.com>
7683 * config.gcc (default_use_cxa_atexit): Extend the description of
7684 this configure variable. Set its default value to "yes" for
7685 Linux, NetBSD and ELF targets on the assumption that they will
7686 use C libraries with the __cxa_atexit function.
7688 2006-03-02 Ben Elliston <bje@au.ibm.com>
7690 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7691 parameter as unused to suppress a build warning.
7693 2006-03-02 Ben Elliston <bje@au.ibm.com>
7695 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7698 2006-03-01 Roger Sayle <roger@eyesopen.com>
7701 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7702 declared name, the weak reference name, and the typeof name.
7703 (__gthrw): Avoid expanding the declared name suffix.
7704 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7706 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7708 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7710 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7711 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7712 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7713 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7714 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7715 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7716 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7717 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7718 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7719 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7720 (DW_END_default, DW_END_big, DW_END_little): New.
7721 (DW_END_lo_user, DW_END_hi_user): Define.
7722 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7723 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7724 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7727 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7729 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7731 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7733 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7735 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7737 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7738 to 'symbol_mem_tag'.
7740 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7743 2006-03-01 Roger Sayle <roger@eyesopen.com>
7745 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7747 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7750 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7751 MACHO_DYNAMIC_NO_PIC_P.
7752 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7754 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7757 * config/darwin-protos.h (darwin_asm_output_anchor):
7759 * config/darwin-sections.def (cstring_section):
7760 Add SECTION_MERGE to the flags.
7761 (literal4_section): Likewise.
7762 (literal8_section): Likewise.
7763 (objc_selector_refs_section): Likewise.
7764 (objc_cls_refs_section): Likewise.
7765 * config/darwin.c (darwin_asm_output_anchor): New
7767 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7769 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7771 Fix PR tree-optimization/26443
7772 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7773 to todo and PROP_tmt_usage to properties_destroyed.
7774 * tree-ssa-ccp.c (pass_ccp): Ditto.
7775 (pass_store_ccp): Ditto.
7776 * tree-ssa-dom.c (pass_dominator): Ditto.
7778 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7780 * tree-ssa-operands.c: Cleanup whitespace.
7781 (get_asm_expr_operands): Move before first invocation.
7782 (get_indirect_ref_operands): Likewise.
7783 (get_tmr_operands): Likewise.
7784 (get_call_expr_operands): Likewise.
7785 (append_def): Likewise.
7786 (append_use): Likewise.
7787 (append_v_may_def): Likewise.
7788 (append_v_must_def): Likewise.
7789 (add_call_clobber_ops): Likewise.
7790 (add_call_read_ops): Likewise.
7791 (add_stmt_operand): Likewise.
7792 (add_virtual_operand): Likewise.
7793 (build_ssa_operands): Likewise.
7795 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7800 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7801 with a call expr to ...
7802 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7804 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7806 * tree-vrp.c (extract_range_from_assert): Remove special
7807 handling for types with super-types.
7809 2006-03-01 Ben Elliston <bje@au.ibm.com>
7811 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7812 and powerpc64-*-linux* configurations.
7813 * config/t-dfprules: New file.
7815 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7816 Compile dfp-bit.c from the source directory using -DWIDTH and
7817 $DFP_CFLAGS to control the compilation of that file, rather than
7818 generating width-specific versions in the build directory.
7819 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7820 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7822 2006-02-28 Zack Weinberg <zackw@panix.com>
7824 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7827 2006-02-28 Eric Christopher <echristo@apple.com>
7829 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7830 Set up IN_LIBGCC definition of TARGET_64BIT.
7831 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7833 2006-02-28 Roger Sayle <roger@eyesopen.com>
7836 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7837 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7838 cases via the construction of "expr != 0".
7840 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7842 * alias.c (alias_invariant, alias_invariant_size): Remove.
7843 (record_base_value): Remove.
7844 (memrefs_conflict_p): Don't look at alias_invariant.
7845 (end_alias_analysis): Don't free it.
7846 * alias.h (record_base_value): Remove prototype.
7848 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7849 Adam Nemet <anemet@caviumnetworks.com>
7851 * rtl.h (truncated_to_mode): Declare it.
7852 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7853 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7854 (RTL_HOOKS_INITIALIZER): Include it.
7855 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7856 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7857 reg_truncated_to_mode.
7858 * rtlanal.c (truncated_to_mode): Define it.
7859 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7861 2006-02-28 Jeff Law <law@redhat.com>
7863 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7864 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7865 the range allowed by TYPE_PRECISION.
7867 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7869 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7871 PR tree-optimization/26419
7872 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7875 2006-02-27 Zack Weinberg <zackw@panix.com>
7877 * doc/md.texi: Fix typo in previous change.
7879 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7883 2006-02-27 Zack Weinberg <zackw@panix.com>
7885 * rtl.def (define_constraint, define_register_constraint)
7886 (define_memory_constraint, define_address_constraint): New MD forms.
7887 * gensupport.c (process_rtx): Put define_constraint etc on the
7889 * genpreds.c (process_define_predicate): Adjust comment. Validate
7890 the name, and call validate_exp to validate the expression.
7891 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7892 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7893 all callers changed.
7894 (validate_exp, needs_variable, struct constraint_data)
7895 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7896 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7897 (const_dbl_constraints, constraint_max_namelen)
7898 (have_register_constraints, have_memory_constraints)
7899 (have_address_constraints, have_address_constraints)
7900 (have_extra_constraints, have_const_int_constraints)
7901 (have_const_dbl_constraints, mangle, add_constraint)
7902 (process_define_constraint, process_define_register_constraint)
7903 (write_enum_constraint_num, write_lookup_constraint)
7904 (write_insn_constraint_len, write_regclass_for_constraint)
7905 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7906 (write_insn_extra_memory_constraint)
7907 (write_insn_extra_address_constraint)
7908 (write_satisfies_constraint_fns): New.
7909 (write_tm_preds_h): If we have new-style constraint definitions,
7910 prototype the functions generated from them, and define the
7911 old constraint interface (still used by generic code) in terms of
7913 (write_insn_preds_c): If we have new-style constraint definitions,
7914 generate all relevant functions from those definitions.
7915 (main): Handle define_constraint etc.
7916 * genoutput.c (struct constraint_data, indep_constraints)
7917 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7918 (mdep_constraint_len): New data structures and functions, defined
7919 #ifdef USE_MD_CONSTRAINTS.
7920 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7921 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7922 use new logic to validate operand constraints against constraint
7924 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7926 * defaults.h: If none of the old-style constraint macros are
7927 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7928 old-style macros; and poison REG_CLASS_FROM_LETTER,
7929 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7931 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7932 * doc/md.texi: Document new constraint-definition mechanism and the
7933 C interface it provides. Remove references to old mechanism
7934 elsewhere in the document.
7935 (Machine Constraints): Use pathnames relative to gcc directory,
7936 i.e. config/ARCH/FILE. Change i386 section to refer to
7937 config/i386/predicates.md; update that section to match docstrings.
7938 * doc/tm.texi: Move all documentation of the old constraint-
7939 definition macros to their own section, clearly mark as obsolete.
7941 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7942 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7944 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7945 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7946 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7948 (splits and peepholes): Use satisfies_constraint_*.
7949 * config/i386/i386.c (memory_address_length)
7950 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7952 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7954 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7955 scalar operation to be put back into the loop.
7957 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7960 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7961 (extract_cie_info): Handle S flag in augmentation string.
7962 (execute_cfa_program): If context->signal_frame, execute also
7963 fs->pc == context->ra instructions.
7964 (uw_frame_state_for): If context->signal_frame, don't subtract one
7965 from context->ra to find FDE.
7966 (uw_update_context_1): Set context->signal_frame to
7968 (_Unwind_GetIPInfo): New function.
7969 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7970 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7972 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7973 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7974 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7975 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7976 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7977 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7978 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7979 x86_64_fallback_frame_state): Set fs->signal_frame.
7980 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7981 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7982 (frob_update_context): Likewise. Workaround missing S flag in
7983 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7984 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7985 Remove the psw_addr + 1 hack.
7987 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7989 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7990 with aggregates here.
7991 (find_func_aliases): Remove code for &<aggregate> from here.
7993 2006-02-26 Roger Sayle <roger@eyesopen.com>
7995 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7996 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7997 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8000 2006-02-26 Roger Sayle <roger@eyesopen.com>
8003 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8005 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8007 * opts.c (decode_options): Do not handle flag_strength_reduce.
8008 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8009 and OPT_fstrength_reduce.
8010 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8011 flag_prefetch_loop_arrays for being nonzero.
8012 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8014 (fprefetch-loop-arrays-rtl): Removed.
8015 (flag_prefetch_loop_arrays): Do not specify the value.
8017 * doc/passes.texi: Update documentation of loop optimizer
8019 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8020 -frerun-loop-opt): Remove.
8022 2006-02-26 Richard Guenther <rguenther@suse.de>
8024 PR tree-optimization/26421
8025 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8026 in function calls that are ADDR_EXPRs as using the whole structure.
8028 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8030 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8031 * tree-pass.h (pass_loop_optimize): Remove.
8032 * passes.c (pass_loop_optimize): Never run it.
8033 * toplev.c (backend_init): Don't call init_loop.
8034 * opts.c (flag_loop_optimize_set): Remove.
8035 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8036 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8037 the old RTL loop optimizer when profiling enabled.
8038 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8039 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8040 pre-headers for the sake of the old RTL loop optimizer.
8041 * Makefile.in: Remove all references to loop.o.
8043 * doc/invoke.texi: Remove all references to -floop-optimize
8044 and -frerun-loop-opt.
8046 2006-02-26 Zack Weinberg <zackw@panix.com>
8048 * doc/md.texi (Machine Constraints): Refer to all files with paths
8049 relative to gcc directory (i.e. config/CPU/file). Add missing
8050 @table @code ... @end table to M32C subsection.
8052 2006-02-26 Roger Sayle <roger@eyesopen.com>
8054 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8056 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8058 2006-02-26 Roger Sayle <roger@eyesopen.com>
8059 James A. Morrison <phython@gcc.gnu.org>
8062 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8063 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8064 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8065 signedness of the shift operation.
8067 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8069 PR tree-optimization/26359
8070 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8072 2006-02-25 Roger Sayle <roger@eyesopen.com>
8074 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8075 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8076 as X == 0, and some symmetry related transformations.
8077 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8079 2006-02-25 Roger Sayle <roger@eyesopen.com>
8082 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8083 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8084 symmetry related transformations. Fold (X^C1) == C2 as
8087 2006-02-25 Juergen Weigert <jw@suse.de>
8088 Richard Guenther <rguenther@suse.de>
8090 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8092 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8094 * combine.c (gen_lowpart_or_truncate): Call
8095 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8097 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8099 * doc/invoke.texi: Move -fopenmp description to "Options for
8101 Remove reference to -lgomp.
8103 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8105 * doc/install.texi: Require GNU tar version 1.14.
8107 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8109 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8110 * doc/invoke.texi (C++ Dialect Options): Document
8111 -fno-use-cxa-get-exception-ptr.
8112 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8113 * configure: Regenerate.
8114 * c.opt (fuse-cxa-get-exception-ptr): New.
8115 * c-opts.c (c_common_handle_option): Handle
8116 OPT_fuse_cxa_get_exception_ptr.
8117 * c-common.c (flag_use_cxa_atexit): Update documentation.
8118 (flag_use_cxa_get_exception_ptr): New.
8119 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8120 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8122 (C_COMMON_OVERRIDE_OPTIONS): New.
8124 2006-02-24 Roger Sayle <roger@eyesopen.com>
8127 * combine.c (try_combine): Explicitly check whether GET_CODE is
8128 a SET or a CLOBBER, instead on checking that it isn't a USE.
8130 2006-02-24 Roger Sayle <roger@eyesopen.com>
8132 * fold-const.c (fold_comparison): New subroutine of fold_binary
8133 containing transformations common to both the equality and
8134 ordering relational operators, factored out of fold_binary.
8135 (fold_binary): Separate out the equality operators (EQ_EXPR
8136 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8137 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8138 transformations common to both.
8139 (fold_div_compare): Fix latent bugs in the previously unreachable
8140 LT_EXPR and GE_EXPR cases.
8142 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8144 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8145 decl libname for clog to __clog on AIX.
8147 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8149 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8152 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8153 output traceback table for thunks. Localise rs6000_stack_info call.
8155 2006-02-23 Roger Sayle <roger@eyesopen.com>
8156 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8158 * gthr-posix.h (__gthrw): Fix typo in comment.
8160 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8162 * doc/cpp.texi (Character sets): Document that we do support
8163 input files to be in any character set.
8165 2006-02-23 Jeff Law <law@redhat.com>
8167 * tree.h (PHI_ARG_NONZERO): Remove.
8168 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8169 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8170 node to the new node.
8172 PR tree-optimization/26425
8173 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8174 min/max, then assume its varying.
8176 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8178 PR rtl-optimization/26316
8179 * rtlanal.c (enum may_trap_p_flags): New.
8180 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8181 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8182 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8183 (may_trap_after_code_motion_p): New function.
8184 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8185 (find_invariant_insn): Use may_trap_after_code_motion_p.
8186 * rtl.h (may_trap_after_code_motion_p): Declare.
8188 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8190 * emit-rtl.c (immed_double_const): Cleanup.
8192 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8194 Fix PR tree-optimization/26376
8195 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8198 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8201 * gimplify.c (omp_add_variable): Guard variable size decl test with
8202 DECL_SIZE (decl) check.
8204 2006-02-23 Richard Guenther <rguenther@suse.de>
8207 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8208 like aggregate types.
8210 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8212 * configure.ac: Add --with{,out}-long-double-128 configure option.
8213 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8214 * configure: Rebuilt.
8215 * config.in: Rebuilt.
8216 * doc/install.texi (Options specification): Document
8217 --with-long-double-128.
8219 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8220 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8221 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8222 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8224 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8226 * config/s390/s390.c (override_options): Handle
8227 TARGET_DEFAULT_LONG_DOUBLE_128.
8229 * config/alpha/alpha.c (override_options): Handle
8230 TARGET_DEFAULT_LONG_DOUBLE_128.
8232 * config/sparc/sparc.c (sparc_override_options): Handle
8233 TARGET_DEFAULT_LONG_DOUBLE_128.
8235 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8237 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8238 (real-install-headers-tar, real-install-headers-cpio)
8239 (real-install-headers-cp): New targets.
8241 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8243 * tree.h (variable_section): Delete.
8244 * varasm.c (variable_section): Delete.
8246 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8248 * install.texi: Add notes on install.texi2html.
8249 (Building in parallel): Do not use footnotes.
8251 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8254 * doc/install.texi (Configuration): Document --disable-libgomp.
8256 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8258 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8260 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8262 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8263 (vec_extractv2df_0_sse): New.
8265 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8267 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8268 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8269 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8270 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8271 to the result of the expression.
8272 (def_cfa_1): Adjust.
8273 (frame_pointer_cfa_offset): Rename to...
8274 (frame_pointer_fb_offset): ... this. Adjust all uses.
8275 (convert_cfa_to_loc_list): Rename to...
8276 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8277 Pass it on to build_cfa_loc.
8278 (compute_frame_pointer_to_cfa_displacement): Rename to...
8279 (compute_frame_pointer_to_fb_displacement): ... this. New
8280 offset parameter. Use it in computation.
8281 (gen_subprogram_die): Compute cfa_fb_offset with the new
8282 macro, and use it to compute the fb loc list and the
8285 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8287 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8288 replaced with register_operand.
8289 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8290 non-DREG is expensive.
8291 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8292 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8295 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8297 * doc/install.texi2html: Use set -e.
8299 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8301 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8302 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8303 * doc/invoke.texi (-fshared-data): Delete.
8304 * common.opt (fshared-data): Delete.
8305 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8306 (assemble_static_space): Remove #if 0 code.
8307 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8308 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8309 * config/cris/cris.h: Remove FIXME.
8311 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8313 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8316 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8319 * combine.c (simplify_shift_const_1): Disable nested shifts
8320 optimization for vector shifts.
8322 2006-02-20 Roger Sayle <roger@eyesopen.com>
8324 PR tree-optimization/26361
8325 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8326 of unsigned integer types.
8328 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8330 * tree-chrec.c (eq_evolutions_p): New.
8331 * tree-chrec.h (eq_evolutions_p): Declared.
8332 * tree-data-ref.c: Fix formatting.
8333 (datadep_stats, dependence_stats): New.
8335 (print_direction_vector): New.
8336 (dump_data_dependence_relation): Use print_direction_vector.
8337 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8338 (compute_subscript_distance): Static.
8339 (initialize_data_dependence_relation): Static. Get the number
8340 of loops surrounding the references from the callers, and initialize
8341 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8342 base_object_differ_p analyzers.
8343 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8344 compute_overlap_steps_for_affine_1_2,
8345 analyze_subscript_affine_affine): Count the classified dependences.
8346 Print a message when a test failed.
8347 (can_use_analyze_subscript_affine_affine): New.
8348 (analyze_siv_subscript): Compute the data dependences on symbolic
8349 scevs that verify can_use_analyze_subscript_affine_affine.
8350 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8351 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8352 Handle symbolic scevs.
8353 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8355 (subscript_dependence_tester): Moved...
8356 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8357 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8358 DDR_SIZE_VECT instead of getting it in parameter.
8359 (subscript_dependence_tester): ... here. Take as a parameter
8360 loop_nest_depth. Call build_classic_dist_vector and
8361 build_classic_dir_vector.
8362 (compute_affine_dependence): Update subscript_dependence_tester
8363 parameters. Update datadep_stats counters. Call
8364 compute_subscript_distance.
8365 (compute_self_dependence): Save the dist and dir vectors. Call
8366 compute_subscript_distance.
8367 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8368 (compute_all_dependences): Reorder parameters as they were before
8369 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8370 compute_subscript_distance. Update the use of
8371 compute_affine_dependence and initialize_data_dependence_relation.
8372 (find_data_references_in_loop): Handle COMPONENT_REF.
8373 (compute_data_dependences_for_loop): Initialize dependence_stats.
8374 Don't call build_classic_dist_vector and build_classic_dir_vector.
8375 Update the parameters of initialize_data_dependence_relation and
8376 compute_all_dependences. Print the statistics from datadep_stats.
8377 (analyze_all_data_dependences): Static. Not used until the pass for
8378 checking the data dependences is contributed.
8379 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8380 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8381 (initialize_data_dependence_relation, compute_affine_dependence,
8382 analyze_all_data_dependences, compute_subscript_distance): Removed.
8383 (print_direction_vector): New.
8384 * lambda.h (gcd): ... here.
8385 (lambda_vector_gcd): Moved here from gcd_vector.
8386 * lambda-code.c (gcd, gcd_vector): Removed.
8387 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8388 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8390 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8392 * ipa-type-escape.c: Tidy some comments and white space.
8393 * tree-ssa-operands.c: Likewise.
8395 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8398 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8399 (dump_decl_name): Do not walk the decl tree chains.
8400 * tree-pass.h (TDF_CHAIN): Remove.
8402 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8404 * Makefile.in (C): Remove
8406 (.PHONY): Remove C and PROTO
8408 2006-02-20 Roger Sayle <roger@eyesopen.com>
8411 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8412 deprecated CHAR_TYPE tree code.
8414 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8416 * configure.ac (target_list): Add install-info, dvi, html.
8417 * configure: Regenerate.
8419 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8420 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8421 treelang/Make-lang.in: Do not use double-colon rules.
8423 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8425 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8426 (TMT_USED_ALONE): New macro.
8427 * tree-pass.h (PROP_tmt_usage): New property.
8428 (TODO_update_tmt_usage): New todo.
8429 * tree-ssa-alias.c (updating_used_alone): New variable.
8430 (recalculate_used_alone): New function.
8431 (compute_may_aliases): Set updating_used_alone, call
8432 recalculate_used_alone.
8433 * tree-sra.c (pass_sra): Note that this pass destroys
8434 PROP_tmt_usage, and add TODO_update_tmt_usage.
8435 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8436 * tree-flow.h (updating_used_alone): Prototype.
8437 (recalculate_used_alone): Ditto.
8438 * passes.c (execute_todo): Add code to set updating_used_alone,
8439 and call recalculate.
8440 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8441 for clobber if used alone, and add assert to verify used_alone
8444 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8446 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8447 for non tls symbols added.
8448 (legitimize_address): Do nothing for PLUS expressions if one of the
8449 addends is a tls symbol reference.
8451 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8455 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8457 * Makefile.in (BOOTSTRAPPING): New.
8458 (quickstrap): New definition if BOOTSTRAPPING=yes.
8460 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8461 * configure.ac: Substitute all_selected_languages with the languages
8462 that were configured. For all the other variables except
8463 lang_specs_files, include all the languages in the tree.
8464 * configure: Regenerate.
8466 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8467 if there is one. Run the commands to run fixincludes in the same
8470 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8471 * doc/install.texi: Document exact conventions for searching target tools.
8472 Document --with-build-time-tools. Document toplevel bootstrap. Document
8473 something more about building an Ada cross-compiler. Don't list GNU Make
8474 requirements which affect all platforms.
8476 2006-02-19 Roger Sayle <roger@eyesopen.com>
8479 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8480 only equivalent if the have both the same mode and precision.
8482 2006-02-20 Ben Elliston <bje@au.ibm.com>
8484 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8486 2006-02-19 Roger Sayle <roger@eyesopen.com>
8487 Steven Bosscher <stevenb.gcc@gmail.com>
8489 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8490 constant pool references to identify stack mode constants.
8491 * rtlanal.c (constant_pool_constant_p): New predicate to check
8492 whether operand is a floating point constant in the pool.
8493 * rtl.h (constant_pool_constant_p): Prototype here.
8494 * loop.c (scan_loop): Avoid hoisting constants from the constant
8495 pool on STACK_REGS targets.
8496 (load_mems): Likewise.
8497 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8498 loads into x87 registers expensive in terms of register pressure.
8500 2006-02-19 Roger Sayle <roger@eyesopen.com>
8502 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8503 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8505 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8507 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8508 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8510 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8512 * doc/invoke.texi: Document -fipa-pta.
8513 * common.opt: Add ipa-pta option.
8514 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8515 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8516 (do_ds_constraint): Ditto.
8517 (get_constraint_for): Only add to referenced_vars if
8518 referenced_vars exists.
8519 (insert_into_field_list): Rewrite to do this unsorted.
8520 (insert_into_field_list_sorted): Rename old insert_into_field_list
8522 (create_function_info_for): Use insert_into_field_list_sorted.
8523 (create_variable_info_for): Rewrite so it uses unsorted version,
8524 since the field list is sorted.
8525 (intra_create_variable_infos): Only add to referenced_vars if
8526 referenced_vars exists.
8527 (ipa_pta_execute): Init heapvars, and delete when done.
8528 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8530 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8532 * doc/install.texi: Add missing `@samp'.
8534 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8536 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8539 2006-02-18 Mark Wielaard <mark@klomp.org>
8541 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8542 who added new 4.1 features, bug fixes and integration support.
8544 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8547 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8550 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8552 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8553 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8554 (copy_insn_1): Likewise. Don't copy each field individually.
8556 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8558 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8559 * rtl.c (rtx_size): Rename variable to...
8560 (rtx_code_size): ...this.
8561 (rtx_size): New function.
8562 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8563 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8565 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8566 * rtl.h (rtx_code_size): New variable.
8567 (rtx_size): Change from a variable to a function.
8568 (RTX_SIZE): Rename to...
8569 (RTX_CODE_SIZE): ...this.
8572 PR tree-optimization/17106
8573 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8574 (Anchored Addresses): New section.
8575 * doc/invoke.texi (-fsection-anchors): Document.
8576 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8577 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8578 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8579 * hooks.c (hook_bool_mode_rtx_false): New function.
8580 * hooks.h (hook_bool_mode_rtx_false): Declare.
8581 * gengtype.c (create_optional_field): New function.
8582 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8583 SYMBOL_REF_IN_BLOCK_P is true.
8584 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8585 (min_anchor_offset, max_anchor_offset): Likewise.
8586 (use_anchors_for_symbol_p): New hook.
8587 * toplev.c (compile_file): Call output_object_blocks.
8588 (target_supports_section_anchors_p): New function.
8589 (process_options): Check that -fsection-anchors is only used on
8590 targets that support it and when -funit-at-a-time is in effect.
8591 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8592 if the decl doesn't have one.
8593 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8594 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8595 of force_const_mem through use_anchored_address.
8596 (expand_expr_constant): New function.
8597 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8598 calling expand_expr for INDIRECT_REF.
8599 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8600 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8601 * expr.h (use_anchored_address): Declare.
8602 * loop-unroll.c: Don't declare rtx vectors here.
8603 * explow.c: Include output.h.
8604 (validize_mem): Call use_anchored_address.
8605 (use_anchored_address): New function.
8606 * common.opt (-fsection-anchors): New switch.
8607 * varasm.c (object_block_htab, anchor_labelno): New variables.
8608 (hash_section, object_block_entry_eq, object_block_entry_hash)
8609 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8610 (use_blocks_for_decl_p, change_symbol_section): New functions.
8611 (get_variable_section): New function, split out from assemble_variable.
8612 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8613 use_blocks_for_decl_p say so. Use change_symbol_section if the
8614 symbol has already been created.
8615 (assemble_variable_contents): New function, split out from...
8616 (assemble_variable): ...here. Don't output any code for
8617 block symbols; just pass them to place_block_symbol.
8618 Use get_variable_section and assemble_variable_contents.
8619 (get_constant_alignment, get_constant_section, get_constant_size): New
8620 functions, split from output_constant_def_contents.
8621 (build_constant_desc): Create a block symbol if use_object_blocks_p
8622 says so. Or into SYMBOL_REF_FLAGS.
8623 (assemble_constant_contents): New function, split from...
8624 (output_constant_def_contents): ...here. Don't output any code
8625 for block symbols; just pass them to place_section_symbol.
8626 Use get_constant_section and get_constant_alignment.
8627 (force_const_mem): Create a block symbol if use_object_blocks_p and
8628 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8629 (output_constant_pool_1): Add an explicit alignment argument.
8630 Don't switch sections here.
8631 (output_constant_pool): Adjust call to output_constant_pool_1.
8632 Switch sections here instead. Don't output anything for block symbols;
8633 just pass them to place_block_symbol.
8634 (init_varasm_once): Initialize object_block_htab.
8635 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8636 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8637 (place_block_symbol, get_section_anchor, output_object_block)
8638 (output_object_block_htab, output_object_blocks): New functions.
8639 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8640 (TARGET_ASM_OUT): Include it.
8641 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8642 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8643 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8644 (TARGET_INITIALIZER): Include them.
8645 * rtl.c (rtl_check_failed_block_symbol): New function.
8646 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8647 (block_symbol, object_block): New structures.
8648 (rtx_def): Add a block_symbol field to the union.
8649 (BLOCK_SYMBOL_CHECK): New macro.
8650 (rtl_check_failed_block_symbol): Declare.
8651 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8652 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8653 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8654 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8655 * output.h (output_section_symbols): Declare.
8656 (object_block): Name structure.
8657 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8658 (default_use_anchors_for_symbol_p): Declare.
8659 * Makefile.in (RTL_BASE_H): Add vec.h.
8660 (explow.o): Depend on output.h.
8661 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8662 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8663 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8664 (rs6000_use_blocks_for_constant_p): New function.
8666 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8668 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8670 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8673 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8676 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8678 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8682 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8685 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8686 instead of DECL_REGISTER.
8688 2006-02-18 Olivier Hainque <hainque@adacore.com>
8691 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8693 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8696 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8697 * opth-gen.awk: Handle Var and InverseMask together.
8698 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8699 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8700 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8701 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8703 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8704 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8705 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8706 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8707 LINUX_DYNAMIC_LINKER): Define.
8708 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8709 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8711 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8712 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8713 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8714 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8715 (TARGET_C99_FUNCTIONS): Don't define.
8716 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8717 GLIBC_DYNAMIC_LINKER.
8718 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8719 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8720 GLIBC_DYNAMIC_LINKER64): Define.
8721 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8722 LINUX_DYNAMIC_LINKER64.
8723 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8724 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8725 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8727 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8729 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8730 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8731 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8732 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8733 and LINUX_DYNAMIC_LINKER32.
8734 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8735 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8736 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8737 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8738 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8740 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8741 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8742 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8743 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8744 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8745 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8746 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8747 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8748 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8749 LINUX_DYNAMIC_LINKER): Define.
8750 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8751 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8752 GLIBC_DYNAMIC_LINKER64): Define.
8753 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8754 LINUX_DYNAMIC_LINKER64.
8755 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8756 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8757 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8758 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8759 LINUX_DYNAMIC_LINKER): Define.
8760 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8761 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8762 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8763 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8764 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8765 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8766 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8767 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8768 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8769 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8770 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8771 * doc/invoke.texi (-muclibc): Remove caveat about supported
8774 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8776 * doc/cpp.texi (__TIMESTAMP__): Document.
8778 2006-02-17 Roger Sayle <roger@eyesopen.com>
8781 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8782 C is one less than the width of X (and related transformations).
8783 * simplify-rtx.c (simplify_unary_operation_1): Transform
8784 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8785 depending on STORE_FLAG_VALUE, were C is one less then the
8788 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8790 Fix PR tree-optimization/26341
8791 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8792 about NAME_MEMORY_TAG's.
8794 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8797 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8798 with hardware float support, and software float support. Add fcpy
8799 alternative to hardware patterns. Add alternatives to copy between
8800 general and floating-point registers to the 32-bit pattern.
8801 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8802 secondary reload to load a QI or HI mode constant into a floating
8804 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8805 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8807 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8810 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8812 (load_macho_picbase_di): Likewise.
8814 2006-02-16 Jeff Law <law@redhat.com>
8816 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8817 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8818 (ssa_name_nonzero_p): Likewise.
8819 (get_value_range): Return NULL if VRP is not running.
8820 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8821 VRP routines do not discover a range.
8822 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8823 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8824 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8825 (tree_expr_nonnegative_p): Similarly.
8826 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8827 (restore_nonzero_vars_to_original_value): Remove.
8828 (unsafe_associative_fp_binop): Remove.
8829 (tree_ssa_dominator_optimize): Remove initialization and
8830 finalization of nonzero_vars and nonzero_vars_stack.
8831 (dom_opt_initialize_block): No longer push marker on
8833 (dom_opt_finalize_block): No longer call
8834 restore_nonzero_vars_to_original_value.
8835 (record_equivalences_from_phis): No longer look for
8836 nonzero PHI arguments.
8837 (cprop_into_successor_phis): No longer propagate nonzero
8838 property into PHI arguments. Lose unused argument. Caller
8840 (record_equivalences_from_stmt): No longer record nonzero
8841 values for SSA_NAMEs.
8842 (lookup_avail_expr): No longer use nonzero_vars.
8844 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8845 for sizetype when sizetype is unsigned.
8847 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8849 PR rtl-optimization/25603
8850 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8851 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8852 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8853 with new meaning of SETS.
8855 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8860 * config/linux.opt: New file.
8861 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8862 LINUX_DYNAMIC_LINKER): Define.
8863 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8864 * config.gcc (*-*-linux*): Define extra_options.
8865 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8866 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8867 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8868 GLIBC_DYNAMIC_LINKER.
8869 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8870 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8871 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8872 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8873 * doc/invoke.texi (GNU/Linux Options): New section.
8875 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8877 * config/sparc/sparc.md (setjmp): Rewrite.
8878 (setjmp_32): Delete.
8879 (setjmp_64): Likewise.
8881 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8883 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8886 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8888 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8891 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8893 PR rtl-optimization/26296
8894 * Makefile.in (loop-invariant.c): Add except.h dependency.
8895 * loop-invariant.c: Include except.h.
8896 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8898 2005-02-16 Paul Brook <paul@codesourcery.com>
8900 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8903 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8905 PR rtl-optimization/25636
8906 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8907 when deciding whether an insn is an initializing insn.
8909 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8911 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8912 (tree_code_size): Ditto.
8913 * tree.h (struct tree_memory_tag): Remove parent_var.
8914 (struct tree_struct_field_tag): New.
8917 (union tree_node): Add sft member.
8918 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8920 (create_sft): Add size and offset argument, set SFT_OFFSET and
8922 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8923 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8924 * tree-flow-inline.h (get_subvar_at): Update for
8925 SFT_OFFSET/SFT_SIZE.
8926 (var_can_have_subvars): Ditto.
8927 (overlap_subvar): Ditto.
8928 * print-tree.c (print_node): Print out interesting things for
8930 * tree-flow.h (struct subvar): Remove offset and size members.
8931 * tree-ssa-operands.c (get_expr_operands): Update for
8932 get_indirect_ref_operands changes.
8933 (get_indirect_ref_operands): Call add_virtual_operand instead of
8934 add_stmt_operand. Only recurse on base var if requested.
8935 (access_can_touch_variable): New function.
8936 (add_stmt_operand): Split virtual operand handling into ...
8937 (add_virtual_operand): Here. Add offset, size, and for_clobber
8938 arguments. Prune alias sets.
8939 (add_call_clobber_ops): Call add_virtual_operand.
8941 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8944 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8946 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8947 than TREE_CODE as index into omp_clause_num_ops array.
8949 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8951 PR rtl-optimization/26184
8952 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8954 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8955 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8956 must_precede, must_follow and tobe_scheduled.
8959 * opts.c (common_handle_option): Free new_option pointer.
8960 * df-core.c (df_analyze): Free postorder pointer.
8962 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8964 * Makefile.in: Fix the examples about the use of stamps
8966 2006-02-15 Michael Matz <matz@suse.de>
8970 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8971 influenced by maximum_field_alignment or DECL_PACKED.
8972 (update_alignment_for_field): Ditto.
8973 (place_field): Ditto.
8974 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8977 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8979 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8980 (debug_flow_info): Pass it.
8981 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8982 * bb-reorder.c (reorder_basic_blocks): Likewise.
8983 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8984 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8985 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8986 * gcse.c (gcse_main, bypass_jumps): Likewise.
8987 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8988 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8989 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8990 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8991 * rtl.h (dump_flow_info): Adjust prototype.
8992 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8993 * var-tracking.c (variable_tracking_main): Likewise.
8994 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8995 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8998 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9000 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9003 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9005 PR tree-optimization/26209
9006 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9007 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9009 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9011 2006-02-14 Roger Sayle <roger@eyesopen.com>
9014 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9015 (X,Y) and the corresponding symmetry related transformations.
9016 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9017 (X,Y) and its symmetry related transformations.
9019 2006-02-14 Roger Sayle <roger@eyesopen.com>
9021 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9024 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9026 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9028 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9031 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9032 support COMDAT group.
9033 * configure: Regenerate.
9035 2006-02-14 Roger Sayle <roger@eyesopen.com>
9040 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9042 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9044 Fix PR tree-optimization/26260
9046 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9048 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9049 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9050 * tree-ssa-structalias.c (create_variable_info_for): Use
9051 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9053 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9055 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9057 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9058 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9059 of the ending condition.
9060 * tree-ssa-loop-manip.c: Include params.h.
9061 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9062 tree_unroll_loop): New functions.
9063 * tree-pass.h (pass_loop_prefetch): Declare.
9064 * loop.c (rest_of_handle_loop_optimize): Test for
9065 -fprefetch-loop-arrays-rtl.
9066 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9067 * timevar.def (TV_TREE_PREFETCH): New timevar.
9068 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9069 pass_loop_prefetch): New.
9070 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9071 (cleanup_tree_cfg_loop): Call scev_reset.
9072 * common.opt (fprefetch-loop-arrays-rtl): Add.
9073 * tree-ssa-loop-prefetch.c: New file.
9074 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9075 (new_temp_expr_table): Initialize expr_vars.
9076 (free_temp_expr_table): Cleanup expr_vars.
9077 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9078 expressions from being merged into one.
9079 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9080 (struct tree_niter_desc): Add control, bound and cmp fields.
9081 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9083 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9084 (tree-cfgcleanup.o): Add SCEV_H dependency.
9085 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9086 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9088 2006-02-14 Richard Guenther <rguenther@suse.de>
9090 PR tree-optimization/26258
9091 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9092 in PHI argument processing.
9094 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9096 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9097 new expression in the requested machine mode.
9099 2006-02-13 Roger Sayle <roger@eyesopen.com>
9101 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9102 directly, instead let do_compare_rtx_and_jump handle this for us.
9103 * expr.c (expand_expr_real_1): Likewise.
9104 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9105 before do_jump_by_parts_greater.
9106 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9107 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9109 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9111 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9113 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9115 PR rtl-optimization/26235
9116 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9117 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9120 2006-02-13 Jeff Law <law@redhat.com>
9122 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9125 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9128 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9129 twice if decl is a builtin. When trying again, call get_callee_fndecl
9130 first to verify it is still a builtin.
9132 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9134 * dwarf2out.c (base_type_die): Don't add AT_name here.
9135 (subrange_type_die): Don't add AT_name here.
9136 (modified_type_die): Rearrange code flow. Do add AT_name here.
9138 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9140 PR rtl-optimization/26247
9141 PR rtl-optimization/26248
9142 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9144 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9146 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9147 * config/fixtfdi.c: Likewise.
9148 * config/fixunstfdi.c: Likewise.
9149 * config/floatditf.c: Likewise.
9151 2006-02-13 Roger Sayle <roger@eyesopen.com>
9154 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9155 into (X,C2) if C1 is a subset of the bits of C2. Transform
9156 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9158 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9160 2006-02-13 Josh Conner <jconner@apple.com>
9163 * varasm.c (function_section): Check for section name before
9164 calling select_section on targets that define
9165 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9166 unlikely_text_section instead of hot_function_section if
9167 first_function_block_is_cold.
9169 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9172 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9174 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9176 PR rtl-optimization/26222
9177 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9178 after tree->rtl expansion.
9179 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9180 before passing it to emit_move_insn.
9182 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9184 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9186 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9187 Clarify documentation.
9188 * c-common.h (warn_write_strings): Remove.
9189 * c-common.c (warn_write_strings): Likewise.
9190 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9193 2006-02-12 Roger Sayle <roger@eyesopen.com>
9196 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9197 (do_jump_parts_zero_rtx): New function renamed from
9198 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9199 (do_jump_parts_equality_rtx): New function split out from
9200 do_jump_parts_equality. Old implementation renamed as above.
9201 Call do_jump_parts_zero_rtx if either operand is zero.
9202 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9203 do all of the heavy lifting.
9204 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9205 calling either do_jump_by_parts_greater_rtx or
9206 do_jump_by_parts_equality_rtx.
9207 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9208 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9209 moved to do_compare_rtx_and_jump, call it directly.
9210 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9211 mode argument. Call do_compare_rtx_and_jump.
9212 (emit_case_nodes): Update calls to do_jump_if_equal.
9214 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9216 PR rtl-optimization/26225
9217 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9219 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9221 PR rtl-optimization/26232
9222 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9224 2006-02-11 Jason Merrill <jason@redhat.com>
9227 * tree-inline.c (declare_return_variable): Just don't use the
9228 modify target if it's a gimple complex reg and the return slot
9231 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9233 * doc/contrib.texi: Update my entry.
9235 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9237 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9239 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9241 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9244 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9246 * doc/invoke.texi (-floop-optimize2): Removed.
9247 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9248 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9249 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9250 * common.opt (floop-optimize2): Removed.
9251 (fmove-loop-invariants): Enabled by default.
9253 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9255 * tree-if-conv.c (combine_blocks): Free the result of
9256 get_loop_exit_edges.
9258 2006-02-10 Jeff Law <law@redhat.com>
9260 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9262 PR tree-optimization/26213
9263 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9264 loop trying to follow SSA_NAME_VALUE chains.
9266 2006-02-10 Richard Guenther <rguenther@suse.de>
9268 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9269 deal with structures that end in implicitly variable sized arrays.
9271 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9273 PR rtl-optimization/24762
9274 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9277 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9279 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9280 (struct ivopts_data): Add regs_used field.
9281 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9282 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9283 instead of loop_data->regs_used;
9284 (free_loop_data): Do not free aux fields for loops.
9285 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9286 and tree_ssa_iv_optimize_finalize.
9288 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9290 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9292 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9295 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9296 computing the effective result type.
9298 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9301 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9302 (tree_overlaps_hard_reg_set): Declare.
9303 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9304 type and signature to match function type expected by walk_tree.
9305 (tree_overlaps_hard_reg_set): New function.
9306 (decl_conflicts_with_clobbers_p): Rename to:
9307 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9308 Use tree_overlaps_hard_reg_set. Changed caller.
9309 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9310 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9311 * cris.c (cris_md_asm_clobbers): Likewise.
9313 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9315 * reload1.c (emit_input_reload_insns): Delete code that tries to
9316 inherit using find_equiv_reg.
9318 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9320 * c-common.h (flag_const_strings): Don't declare.
9321 * c-common.c (flag_const_strings): Remove.
9322 * c.opt (fconst_strings): Remove.
9323 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9324 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9325 (c_common_init_options): Don't set flag_const_strings.
9326 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9328 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9330 * arm.md (tlobits_cbranch): New pattern.
9331 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9332 testing a single bit.
9334 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9337 * tree-ssa-pre.c (create_component_ref_by_pieces):
9338 Handle RETURN_DECL like VAR_DECL.
9340 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9343 * fold-const.c (fold_indirect_ref_1): Fold
9344 "*(foo *)&complexfoo" to "__real__ complexfoo"
9345 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9347 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9349 * tree-flow-inline.h (var_can_have_subvars):
9350 Volatile variables should not have subvariables.
9352 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9355 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9356 multiplying unsigned values.
9359 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9361 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9363 2006-02-08 Jason Merrill <jason@redhat.com>
9366 * tree.def: Elaborate on difference from MODIFY_EXPR.
9367 * doc/c-tree.texi (INIT_EXPR): Likewise.
9368 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9369 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9370 (gimplify_target_expr): Likewise.
9371 (gimplify_cond_expr): Remove target handling.
9372 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9373 (gimplify_expr): Clobber it here.
9374 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9375 Do return slot optimization if we have an INIT_EXPR.
9378 * tree-inline.c (declare_return_variable): Also clear
9379 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9382 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9385 * gimplify.c (gimplify_one_sizepos): Fix typo.
9387 2006-02-08 Jeff Law <law@redhat.com>
9389 PR tree-optimization/21417
9390 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9391 across a backedge if the control statement at the end of the
9392 block is data dependent on other statements in the same block.
9393 (record_temporary_equivalences_from_stmts): Remove over-conservative
9394 test for threading across backedges.
9396 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9397 control statement, handle all three special cases in the same
9398 manner as they all have the same desired solution. No longer
9399 special case edge flag updating when the post dominator is
9402 2006-02-08 Roger Sayle <roger@eyesopen.com>
9404 * tree.def (CHAR_TYPE): Remove.
9405 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9406 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9407 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9408 (gen_string_type_die): Delete unreachable function.
9410 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9411 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9412 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9413 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9414 * builtins.c (type_to_class): Likewise.
9415 * fold-const.c (fold_convert, build_range_check,
9416 merge_ranges): Likewise.
9417 * expr.c (count_type_elements): Likewise.
9418 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9419 * stor-layout.c (layout_type): Likewise.
9420 * ipa-type-escape.c (type_to_consider): Likewise.
9421 * gimplify.c (omp_firstprivatize_type_sizes,
9422 gimplify_type_sizes): Likewise.
9423 * explow.c (promote_mode): Likewise.
9424 * tree-sra.c (is_sra_scalar_type): Likewise.
9425 * varasm.c (output_constant): Likewise.
9426 * tree-inline.c (remap_type_1): Likewise.
9427 * convert.c (convert_to_pointer, convert_to_real,
9428 convert_to_integer, convert_to_complex): Likewise.
9430 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9432 * df-scan.c (df_def_record_1): A set destination may
9433 be a parallel regardless of mode.
9435 2006-02-08 Roger Sayle <roger@eyesopen.com>
9438 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9439 * config/mips/_tilib.c: Remove.
9440 * config/fixtfdi.c: New libgcc source file.
9441 * config/fixunstfdi.c: New source file.
9442 * config/floatditf.c: New source file.
9443 * config/floatunditf.c: New souce file.
9444 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9445 files above instead of config/mips/_tilib.c.
9446 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9448 2006-02-08 Jeff Law <law@redhat.com>
9450 PR tree-optimization/26169
9451 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9454 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9456 * df.h (DF_REG_SIZE): Return the length of the initialized
9459 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9461 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9462 __muldf3): Return a correctly signed zero.
9464 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9466 * passes.c (register_one_dump_file): Accept the current properties
9467 instead of pass number. Adjust call to dump_register. Remove
9469 (register_dump_files): Now a wrapper around...
9470 (register_dump_files_1): ... this one. Do not modify the pass
9472 (next_pass_1): Cosmetic fix.
9473 (execute_todo): Keep second parameter only. Use curr_properties
9474 instead of fetching it from the pass structure. Check and set
9476 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9477 instead of fetching it from the pass structure. Fix calls to
9478 execute_todo. Update curr_properties and initialize .vcg RTL dump
9479 after running the pass. Reset last_verified.
9480 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9482 (FIRST_AUTO_NUMBERED_DUMP): New.
9483 (dump_register): Remove "num" parameter, assign it within the
9485 (get_dump_file_name): Modify template for dumps.
9486 * tree-dump.h (dump_register): Adjust prototype.
9487 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9488 (PROP_trees): Add PROP_gimple_lomp.
9489 (TODO_set_props): New.
9490 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9491 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9492 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9494 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9496 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9497 (sparc64-*-linux*): Likewise.
9498 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9499 * config/sparc/t-linux: New file.
9500 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9501 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9502 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9503 -m32 -mlong-double-128.
9505 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9506 * config/alpha/t-linux: New file.
9507 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9509 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9510 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9511 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9512 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9513 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9514 (CPP_ARCH32_SPEC): Remove.
9516 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9518 PR tree-optimization/26145
9519 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9522 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9525 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9526 >= 240000 when generating code for SOM runtime.
9527 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9528 to $$dyncall when generating code for SOM runtime..
9530 2006-02-07 Dirk Mueller <dmueller@suse.com>
9533 * doc/invoke.texi (-Wsequence-point): Update documentation
9534 that -Wsequence-point is implemented for C++ as well.
9536 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9538 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9539 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9540 (LIB_SPEC): Likewise.
9541 * doc/invoke.texi (SPARC options): Document -pthread.
9543 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9545 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9548 2006-02-07 Roger Sayle <roger@eyesopen.com>
9550 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9551 Correct comment describing BOOLEAN_TYPE.
9553 2006-02-07 Dirk Mueller <dmueller@suse.com>
9555 * c.opt: C++ frontend supports -Wdiv-by-zero.
9556 * c-opts.c (c_common_handle_option): Remove dead case.
9558 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9560 * configure.ac (TLS assembler check): Do not enable TLS by
9561 default on SPARC/Solaris before version 10.
9562 * configure: Regenerate.
9564 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9566 * doc/invoke.texi (xl-compat): Document conversion and support
9569 2006-02-07 Jeff Law <law@redhat.com>
9571 * tree-vrp.c (find_conditional_asserts): Update comments.
9572 (simplify_stmt_for_jump_threading): New.
9573 (identify_jump_threads, finalize_jump_threads): New.
9574 (vrp_finalize): Call identify_jump_threads.
9575 (execute_vrp): Call finalize_jump_threads.
9576 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9577 (vrp_element, vrp_data, vrp_element_p): Remove.
9578 (vrp_hash_elt, vrp_variables_stack): Remove.
9579 (vrp_hash, vrp_eq, record_range): Remove.
9580 (simplify_cond_and_lookup_avail_expr): Remove.
9581 (extract_range_from_cond): Remove.
9582 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9583 (simplify_stmt_for_jump_threading): New.
9584 (dom_thread_across_edge): New wrapper.
9585 (tree_ssa_dominator_optimize): No longer initialize or
9586 finalize any of the VRP datastructures. Remove iteration
9587 step and simplify as a result of removal of iteration step.
9588 (pass_dominator): Perform a cfg cleanup after DOM.
9589 (dom_opt_finalize_block): Use the new common routines
9590 for threading jumps. Simplify stack management slightly.
9591 No longer need to unwind VRP state.
9592 (record_equivalences_from_incoming_edge): No longer record
9594 (eliminate_redundant_computations): No longer call
9595 simplify_cond_and_lookup_avail_expr.
9596 * tree-flow.h (potentially_threadable_block): Prototype.
9597 (thread_across_edge): Likewise.
9598 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9599 (tree-ssa-threadedge.o): Add dependencies.
9600 * tree-ssa-threadedge.c: New file.
9601 * passes.c (init_optimization_passes): Merge PHIs before
9602 calling VRP. Run VRP again late in the SSA optimization pipeline.
9604 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9606 * df-core.c (df_set_blocks): Do not dereference function pointers.
9607 (df_finish1): Likewise.
9608 (df_hybrid_search_forward): Likewise.
9609 (df_hybrid_search_backward): Likewise.
9610 (df_iterative_dataflow): Likewise.
9611 (df_analyze_problem): Likewise.
9612 (df_compact_blocks): Likewise.
9613 (df_dump): Likewise.
9614 * df-scan.c (df_rescan_blocks): Likewise.
9615 (df_record_entry_block_defs): Likewise.
9617 * genconditions.c (write_conditions): Guard the definition of
9618 'insn_conditions' with the check on GCC version.
9619 (write_writer): Guard the traversal 'insn_conditions' with
9620 the check on GCC version.
9622 2006-02-07 Richard Guenther <rguenther@suse.de>
9626 2006-01-30 Richard Guenther <rguenther@suse.de>
9628 * gimplify.c (gimplify_target_expr): Handle easy cases
9629 without creating a temporary.
9631 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9633 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9634 use of float in probability computations. Use edge probabilities
9635 in place of statically computed probabilities.
9636 (min_spec_prob): New static variable.
9637 (schedule_insns): Initialize it.
9638 (GET_SRC_PROB): Removed.
9639 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9641 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9644 * config/ia64/unwind-ia64.c: Revert last change.
9645 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9646 (INCOMING_FRAME_SP_OFFSET): Define.
9648 2006-02-06 Roger Sayle <roger@eyesopen.com>
9650 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9652 2006-02-07 Ben Elliston <bje@au.ibm.com>
9654 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9655 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9656 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9657 (ix86_return_in_memory): Handle TDmode.
9658 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9659 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9661 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9663 * reorg.c (dbr_schedule): Use dump_file instead of file.
9665 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9668 * config/ia64/predicates.md (extr_len_operand): New predicate.
9669 * config/ia64/ia64.md (extv): Tighten constraints.
9671 (*tbit_and_2): Ditto.
9672 (*tbit_and_3): Ditto.
9673 (*tbit_or_2): Ditto.
9674 (*tbit_or_3): Ditto.
9678 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9681 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9683 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9685 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9686 loop_optimizer_init and loop_optimizer_finalize
9687 * tree-ssa-sink.c (execute_sink_code): Ditto.
9688 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9689 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9690 tree_ssa_loop_done): Ditto.
9691 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9692 * sched-ebb.c: Include output.h.
9693 (schedule_ebbs): Do not use dump argument.
9694 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9695 * loop.c (loop_dump_stream): Removed.
9696 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9698 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9699 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9700 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9701 loop_iterations, strength_reduce, record_biv, record_giv,
9702 final_giv_value, check_final_value, check_ext_dependent_givs,
9703 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9704 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9705 dump_file instead of loop_dump_stream.
9706 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9708 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9710 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9711 * haifa-sched.c: Include output.h
9712 (schedule_insns, sched_init): Do not use dump argument.
9713 * mode-switching.c (optimize_mode_switching): Ditto.
9714 * modulo-sched.c (stats_file): Removed.
9715 (print_node_sched_params): Do not call argument dump_file.
9716 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9717 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9719 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9721 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9722 rtl_loop_init, rtl_loop_done): Ditto.
9723 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9724 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9726 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9727 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9728 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9729 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9730 * emit-rtl.c (renumber_insns): Ditto.
9731 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9732 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9733 * regclass.c (regclass): Ditto.
9734 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9735 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9736 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9737 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9739 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9740 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9742 * gcse.c (gcse_file, debug_stderr): Removed.
9743 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9744 rest_of_handle_gcse): Do not use dump argument.
9745 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9746 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9747 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9748 compute_code_hoist_vbeinout, compute_code_hoist_data,
9749 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9750 compute_store_table, build_store_vectors, insert_insn_start_bb,
9751 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9752 store_motion): Use dump_file instead of gcse_file.
9753 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9754 * profile.c (profile_dump_file): Removed.
9755 (branch_prob): Use dump_file instead of profile_dump_file.
9756 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9758 * tree-ssa-copy.c (dump_copy_of): Ditto.
9759 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9760 dump file to life_analysis.
9761 * bt-load.c (branch_target_load_optimize): Ditto.
9762 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9764 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9765 regclass, dbr_schedule): Declaration changed.
9766 * sched-int.h (sched_init): Declaration changed.
9767 * tree-profile.c (tree_profile_dump_file): Removed.
9768 (tree_profile_hooks): Removed profile_dump_file hook.
9769 * rtl-profile (rtl_profile_dump_file): Removed.
9770 (rtl_profile_hooks): emoved profile_dump_file hook.
9771 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9773 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9774 * tree-cfg.c (build_tree_cfg): Ditto.
9775 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9776 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9777 Declaration changed.
9778 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9779 life_analysis and schedule_insns.
9780 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9782 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9784 * config/mips/mips.c (mips_reorg): Ditto.
9785 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9788 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9790 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9791 (s390_mangle_fundamental_type): New.
9792 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9795 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9796 (alpha_mangle_fundamental_type): New.
9797 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9800 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9802 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9804 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9805 (sparc_mangle_fundamental_type): New.
9807 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9809 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9810 (s390x-*-linux*): Likewise.
9811 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9812 * config/s390/t-linux: New file.
9814 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9816 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9817 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9819 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9821 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9822 (ANTIC_SAFE_LOADS): New macro.
9823 (find_or_generate_expression): Add prototype.
9824 (set_contains_value): Allow null set for sake of not always having
9825 to allocate ANTIC_SAFE_LOADS.
9826 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9827 Allow COMPONENT_REF too.
9828 (valid_in_set): Allow COMPONENT_REF.
9829 Check ANTIC_SAFE_LOADS too.
9830 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9831 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9833 (can_PRE_operation): Add COMPONENT_REF.
9834 (create_component_ref_by_pieces): New function.
9835 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9836 (insert_aux): Move AGGREGATE_TYPE_P check here.
9837 (compute_avail): Set bb local stmt uids.
9838 (pass_pre): Use TODO_update_ssa_only_virtuals.
9840 2006-02-06 Ben Elliston <bje@au.ibm.com>
9842 * configure.ac: Unconditionally disable decimal float by default.
9843 * configure: Regenerate.
9845 2006-02-06 Ben Elliston <bje@au.ibm.com>
9847 * read-rtl.c (read_name): Terminate reading on EOF.
9849 2006-02-06 Ben Elliston <bje@au.ibm.com>
9851 * dfp.c (decimal_real_arithmetic): Change second argument type
9852 from int to enum tree_code. Do not always return true, but now
9853 return result of any call to decimal_do helper functions.
9854 * dfp.h (decimal_real_arithmetic): Update prototype.
9856 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9858 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9860 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9863 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9866 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9868 * tree-vrp.c (cfg_loops): Removed.
9869 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9870 Use current_loops instead of cfg_loops. Pass flags to
9871 loop_optimizer_init.
9872 * cfgloopmanip.c (fix_loop_structure): Update only available
9874 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9875 loop_optimizer_init.
9876 * modulo-sched.c (build_loops_structure): Removed.
9877 (sms_schedule): Use loop_optimizer_init.
9878 * loop-init.c (loop_optimizer_init): Use flags to determine
9879 which properties of loops to prepare.
9880 (rtl_loop_init): Pass flags to loop_optimizer_init.
9881 * tree-ssa-sink.c (execute_sink_code): Ditto.
9882 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9883 * tree-ssa-pre.c (init_pre): Ditto.
9884 * cfgloop.h (LOOPS_NORMAL): New.
9885 (loop_optimizer_init): Declaration changed.
9887 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9889 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9890 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9892 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9894 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9896 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9897 * pa/t-pa64: Delete quadlib.c rule.
9898 * pa/x-ada: Revert last change.
9899 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9901 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9903 PR rtl-optimization/26087
9904 * rtlanal.c (canonicalize_condition): Do not cross basic block
9907 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9910 * config/ia64/ia64.c: Include debug.h.
9911 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9912 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9913 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9914 (process_epilogue, process_set, process_for_unwind_directive):
9915 Output unwind info only if requested. Add CFA info if requested.
9916 Add new arguments as needed. Adjust callers.
9917 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9919 (DWARF2_FRAME_INFO): Define to zero.
9920 * config/ia64/unwind-ia64.c: Remove code that compensated for
9921 the CFA offset error fixed above.
9922 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9923 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9924 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9925 -funwind-tables and -fexceptions to enable frame info.
9926 (dwarf2out_frame_init): Define initial CFA even if
9927 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9928 DWARF2_UNWIND_INFO is nonzero, not just defined.
9929 (dwarf2out_frame_finish): Output non-EH call frame info only
9930 if DWARF2_FRAME_INFO is nonzero.
9931 (convert_cfa_to_loc_list,
9932 compute_frame_pointer_to_cfa_displacement): Define even if
9933 unwind info is not supported.
9934 (gen_subprogram_die): Use the above unconditionally. Remove
9935 legacy alternate code.
9936 * toplev.c (compile_file): Compile in call to
9937 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9938 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9940 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9941 Jakub Jelinek <jakub@redhat.com>
9943 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9944 IBM extended float format long double as "g" on powerpc*-linux.
9946 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9949 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9950 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9952 2006-02-03 Jason Merrill <jason@redhat.com>
9955 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9958 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9959 on the return slot if it's an NRV.
9961 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9963 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9964 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9965 rewrite_use): Do not handle USE_OUTER.
9966 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9967 add_iv_outer_candidates, may_replace_final_value,
9968 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9969 (find_interesting_uses_op): Functionality of
9970 find_interesting_uses_outer_or_nonlin moved here.
9971 (find_interesting_uses_outside): Use find_interesting_uses_op.
9973 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9976 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9978 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9979 Ulrich Weigand <uweigand@de.ibm.com>
9982 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9983 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9984 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9985 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9987 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9988 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9989 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9990 Define secondary reloads for TFmode moves.
9991 (constant_modes): Add TFmode.
9992 (NR_C_MODES): Set to 8.
9993 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9995 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9996 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9997 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9998 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9999 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10000 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10001 (FPR mode macro): Add TFmode.
10002 (DSF mode macro): New.
10003 (<de>, <dee> mode attributes): Removed.
10004 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10005 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10006 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10007 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10008 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10009 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10010 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10011 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10012 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10013 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10014 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10015 "*negabs<mode>2", "sqrt<mode>2"):
10016 Changed <de> to <xde>. R constraint replaced by <Rf>.
10017 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10019 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10020 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10021 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10023 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10024 "extenddftf2", "extendsftf2"): New expanders.
10025 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10026 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10027 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10028 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10030 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10031 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10032 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10033 __floatditf): Add a GCC_4.1.0 symbol version tag.
10034 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10037 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10040 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10041 Use targetm.binds_local_p instead of TREE_PUBLIC.
10043 2006-02-02 Roger Sayle <roger@eyesopen.com>
10045 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10046 on INTEGER_TYPEs to indicate that it denotes a character type.
10047 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10048 signed_char_type_node, unsigned_char_type_node and char_type_node.
10049 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10050 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10051 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10053 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10054 Daniel Berlin <dberlin@dberlin.org>
10056 * tree-tailcall.c (arg_needs_copy_p): New function.
10057 (eliminate_tail_call): Use arg_needs_copy_p.
10058 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10059 (add_virtual_phis): New function.
10061 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10063 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10064 #ignore instead of #scratch for %g7 .register directive.
10066 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10068 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10071 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10073 * flow.c (calculate_global_regs_live): Assert that there aren't any
10076 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10078 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10079 what its name says.
10080 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10081 bsi_after_labels iterator.
10082 * tree-if-conv.c (find_phi_replacement_condition,
10083 replace_phi_with_cond_modify_expr): Likewise.
10084 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10085 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10087 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10089 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10091 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10094 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10095 array after growing it.
10097 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10099 PR middle-end/24901
10100 * fold-const.c (fold_checksum_tree): Change type of buf.
10102 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10104 * reload.c (push_secondary_reload): Initialize t_icode.
10106 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10108 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10109 -msoft-float -mlong-double-128 only issue a warning, but don't
10110 swich to DFmode long double.
10112 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10114 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10115 has a constant equivalent, iterate over equivalents for arg0,
10116 calling simplify_relational_operation and if there's a result
10117 cheaper than X, apply fold_rtx and return the result.
10119 2006-02-01 Jan Hubicka <jh@suse.cz>
10121 * opts.c (no_unit_at_a_time_default): New global variable.
10122 (decode_options): Use it.
10123 * opts.h (no_unit_at_a_time_default): Declare.
10125 2006-02-01 Paul Brook <paul@codesourcery.com>
10127 * function.c (assign_parm_setup_reg): Use function argument promotion
10129 * expr.c (expand_expr_real_1): Use function argument promotion rules
10132 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10134 * gcc.c (process_command): Change j to 'unsigned int'.
10136 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10138 PR middle-end/26001
10139 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10140 Use the corrected index for the character
10141 out of the string constant.
10143 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10145 * mode-switching.c (optimize_mode_switching): Fix size
10146 allocated for bb_info[n_entities].
10148 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10150 * gcc.c (main): Correct type that is allocated for
10151 explicit_link_files.
10153 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10155 * config/s390/s390.c (init_alignment_context): Set
10156 ALIAS_SET_MEMORY_BARRIER on the MEM.
10157 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10159 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10161 PR middle-end/25933
10162 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10164 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10167 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10169 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10170 * regrename.c: Ditto.
10171 * tree-ssa-loop-im.c: Ditto.
10172 * tree-dump.c: Ditto.
10173 * tree-complex.c: Ditto.
10174 * genrecog.c: Ditto.
10175 * tree-ssa-threadupdate.c: Ditto.
10177 * java/class.c: Ditto.
10178 * java/jcf-parse.c: Ditto.
10179 * java/resource.c: Ditto.
10180 * java/except.c: Ditto.
10181 * java/jvspec.c: Ditto.
10182 * java/jcf-write.c: Ditto.
10183 * java/jcf-path.c: Ditto.
10184 * java/gjavah.c: Ditto.
10185 * java/zextract.c: Ditto.
10186 * java/jcf-io.c: Ditto.
10187 * java/jcf.h: Ditto.
10188 * java/buffer.c: Ditto.
10189 * java/lang.c: Ditto.
10190 * java/parse-scan.y: Ditto.
10191 * java/lex.c: Ditto.
10192 * java/lex.h: Ditto.
10193 * cfgloopmanip.c: Ditto.
10194 * postreload-gcse.c: Ditto.
10195 * tree-ssa-loop-manip.c: Ditto.
10196 * postreload.c: Ditto.
10197 * tree-ssa-loop-ch.c: Ditto.
10200 * cppspec.c: Ditto.
10201 * diagnostic.c: Ditto.
10203 * genoutput.c: Ditto.
10205 * cfghooks.c: Ditto.
10206 * cfgloopanal.c: Ditto.
10207 * objc/objc-act.c: Ditto.
10209 * genextract.c: Ditto.
10210 * genautomata.c: Ditto.
10211 * pretty-print.c: Ditto.
10212 * genemit.c: Ditto.
10213 * cgraphunit.c: Ditto.
10215 * df-scan.c: Ditto.
10216 * haifa-sched.c: Ditto.
10217 * dominance.c: Ditto.
10219 * tree-ssa-loop-ivopts.c: Ditto.
10220 * df-core.c: Ditto.
10221 * mode-switching.c: Ditto.
10222 * modulo-sched.c: Ditto.
10224 * ipa-pure-const.c: Ditto.
10226 * fix-header.c: Ditto.
10228 * tree-stdarg.c: Ditto.
10229 * ipa-utils.c: Ditto.
10230 * loop-init.c: Ditto.
10231 * ipa-inline.c: Ditto.
10232 * cfganal.c: Ditto.
10234 * alloc-pool.c: Ditto.
10235 * dwarf2out.c: Ditto.
10237 * genattrtab.c: Ditto.
10238 * tree-ssa-loop-ivcanon.c: Ditto.
10239 * predict.c: Ditto.
10240 * timevar.c: Ditto.
10242 * fortran/gfortranspec.c: Ditto.
10243 * regmove.c: Ditto.
10244 * local-alloc.c: Ditto.
10245 * langhooks.c: Ditto.
10246 * function.c: Ditto.
10247 * tree-vectorizer.c: Ditto.
10249 * ipa-type-escape.c: Ditto.
10251 * tree-if-conv.c: Ditto.
10252 * profile.c: Ditto.
10254 * tree-data-ref.c: Ditto.
10255 * loop-unroll.c: Ditto.
10256 * treelang/treetree.c: Ditto.
10258 * bt-load.c: Ditto.
10259 * ggc-common.c: Ditto.
10261 * coverage.c: Ditto.
10263 * tree-cfgcleanup.c: Ditto.
10264 * tree-ssa-pre.c: Ditto.
10265 * cfgcleanup.c: Ditto.
10266 * loop-invariant.c: Ditto.
10267 * loop-iv.c: Ditto.
10268 * ipa-prop.c: Ditto.
10269 * print-tree.c: Ditto.
10270 * conflict.c: Ditto.
10271 * ggc-page.c: Ditto.
10272 * sched-deps.c: Ditto.
10273 * regclass.c: Ditto.
10274 * tree-object-size.c: Ditto.
10275 * combine.c: Ditto.
10276 * bb-reorder.c: Ditto.
10277 * resource.c: Ditto.
10278 * var-tracking.c: Ditto.
10279 * cfgloop.c: Ditto.
10280 * df-problems.c: Ditto.
10281 * reg-stack.c: Ditto.
10283 * gccspec.c: Ditto.
10284 * sched-rgn.c: Ditto.
10285 * tree-ssa-structalias.c: Ditto.
10286 * tree-ssa-reassoc.c: Ditto.
10287 * config/darwin-c.c: Ditto.
10288 * config/darwin.c: Ditto.
10289 * config/arm/arm.c: Ditto.
10291 * collect2.c: Ditto.
10292 * reload1.c: Ditto.
10294 2006-01-31 Nicolas Pitre <nico@cam.org>
10296 * arm.md (smaxsi3): Make aware of smax_m1.
10299 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10301 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10303 2006-01-31 Richard Guenther <rguenther@suse.de>
10305 * doc/invoke.texi (-msselibm): Document.
10306 * target.h (expand_library_builtin): New target hook.
10307 * builtins.c (expand_builtin): Use expand_library_builtin.
10308 (default_expand_library_builtin): New function.
10309 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10310 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10311 (link_gcc_math_spec): Declare.
10312 (static_specs): Add link_gcc_math_spec.
10313 * expr.h (default_expand_library_builtin): Declare.
10314 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10315 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10316 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10317 * config/i386/i386.opt (msselibm): New target option.
10318 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10319 (ix86_init_sse_abi_builtins): New function.
10320 (ix86_expand_library_builtin): Likewise.
10321 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10322 (override_options): Handle error conditions wrt -msselibm.
10323 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10324 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10325 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10328 2006-01-31 Richard Guenther <rguenther@suse.de>
10329 Paolo Bonzini <bonzini@gnu.org>
10331 * doc/install.texi (--disable-libgcc-math): Document.
10333 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10335 * expr.h (expand_normal): new inline function.
10336 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10337 * dojump.c: use it.
10338 * dwarf2out.c: use it.
10341 * expmed.c: use it.
10342 * except.c: use it.
10343 * config/sparc/sparc.c: use it.
10344 * config/i386/i386.c: use it.
10345 * config/rs6000/rs6000.c: use it.
10346 * config/arm/arm.c: use it.
10347 * config/mips/mips.c: use it.
10348 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10350 2006-01-30 Roger Sayle <roger@eyesopen.com>
10352 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10353 argv to the appropriate type.
10355 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10357 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10360 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10363 * config/s390/s390.c (struct machine_function): New flag
10364 decomposed_literal_pool_addresses_ok_p.
10365 (s390_reorg): Set it before final stage of literal pool transforms.
10366 (s390_decompose_address): Only accept displacements of the form
10367 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10369 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10371 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10372 the comparison routine return.
10374 2006-01-30 Michael Matz <matz@suse.de>
10376 * global.c (find_reg): Only evict for global regs.
10377 Take n_refs into account and dump more info.
10379 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10382 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10383 (pragma_trap, pragma_nosave_low_regs): Likewise.
10384 (current_function_anonymous_args): Likewise.
10385 (sh_deferred_function_attributes): New variable.
10386 (sh_deferred_function_attributes_tail): Likewise.
10387 (print_operand): For '@', look up trap_exit attribute.
10388 (calc_live_regs): Look up trapa_handler attribute. For trapa
10389 handlers, save/restore fpscr, but don't do any other
10390 interrupt-specific saves.
10391 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10392 Fix check for partially saved registers to check for SHmedia.
10393 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10394 (sh_output_function_epilogue): Don't clear any of the removed
10396 (sh_insert_attributes): Don't check pragma_interrupt.
10397 Insert deferred attributes. Check that interrupt attribute is
10398 present for other attributes that require its presence.
10399 (sh_attribute_table): Add new attributes trapa_handler and
10401 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10402 Don't check for pragma_interrupt. Don't store argument.
10403 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10404 (sh_deferred_function_attributes): Declare.
10405 (sh_deferred_function_attributes_tail): Likewise.
10406 * sh.md (sp_switch_1): Add operand. Change generator caller.
10407 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10408 (*return_i): Don't use when trap_exit attribute is in effect.
10409 (*return_trapa): New insn pattern.
10410 * sh-c.c: New file.
10411 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10412 setting c_target_objs and cxx_target_objs.
10413 * t-sh: Add rule for sh-c.o.
10415 2006-01-30 Richard Guenther <rguenther@suse.de>
10418 * gimplify.c (gimplify_target_expr): Handle easy cases
10419 without creating a temporary.
10421 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10423 * vec.h (safe_grow): Remove duplicated line.
10425 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10428 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10429 (expand_omp): ... here.
10430 (expand_omp_parallel): Only remove barriers for combined
10431 parallel+workshare constructs.
10433 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10437 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10438 * tree.c (build_qualified_type): Chain the new type to the original
10439 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10440 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10441 (build_pointer_type_for_mode): Only return unqualified types.
10442 (build_reference_type_for_mode): Likewise.
10444 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10446 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10447 * Makefile.in (CXX_COMPAT_WARN): Define.
10448 * configure: Regenerate.
10450 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10453 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10456 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10458 * toplev.c: Fix thinko.
10460 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10461 Marcin Dalecki <martin@dalecki.de>
10463 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10464 (push_srcloc): Use XNEW.
10465 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10467 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10469 * df-core.c (df_set_blocks): Deleted all variable.
10471 2006-01-28 Ian Lance Taylor <ian@airs.com>
10473 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10474 cgraph_output_pending_asms.
10476 2006-01-28 Zack Weinberg <zackw@panix.com>
10478 * c.opt: Add -W(no-)overlength-strings.
10479 * doc/invoke.texi: Document it.
10480 * c-opts.c (c_common_handle_option): -pedantic implies
10481 -Woverlength-strings, if not explicitly disabled already.
10482 (c_common_post_options): -Woverlength-strings defaults to off, and
10483 is always off for C++.
10484 * c-common.c (fix_string_type): Issue warning about strings longer
10485 than is portable only if warn_overlength_strings. Rearrange code
10486 a little for clarity.
10487 * configure.in: Check for -Wno-overlength-strings as well before
10488 enabling -pedantic in stage 1.
10489 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10490 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10492 * genconditions.c (write_header, write_one_condition)
10493 (write_conditions, write_writer): Consolidate very long strings
10494 that were broken up to fit in C89 portable limit. Don't use
10495 printf when fputs will do.
10497 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10499 * combine.c (simplify_comparison <AND>): Check
10500 TRULY_NOOP_TRUNCATION before start using a subreg.
10502 * config/mips/mips.md (*branch_zero<mode>,
10503 *branch_zero<mode>_inverted, *branch_equality<mode>,
10504 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10505 Remove mode check from comparisons.
10507 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10509 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10511 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10513 * expmed.c (const_mult_add_overflow_p): Remove.
10514 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10516 * recog.c (validate_replace_rtx_subexp): Remove.
10517 * recog.h: Remove the prototype for
10518 validate_replace_rtx_subexp.
10520 * integrate.h: Remove the prototype for
10521 copy_decl_for_inlining.
10522 * rtl.h: Remove the prototype for mark_constant_function.
10523 * tree-vectorizer.h: Remove the prototype for
10524 vect_strip_conversion.
10526 * modulo-sched.c (create_partial_schedule,
10527 free_partial_schedule, reset_partial_schedule): Make them
10530 * hooks.c (hook_bool_rtx_int_false): Remove.
10531 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10533 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10535 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10536 and -mlong-double-128 are incompatible.
10537 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10538 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10539 (TARGET_LIBGCC2_CFLAGS): Define.
10540 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10541 (TARGET_LIBGCC2_CFLAGS): Same.
10542 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10544 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10547 * c-typeck.c (build_binary_op): Perform implicit casts of
10548 operands before shortening them.
10550 * cfgloopmanip.c (split_loop_bb): Remove.
10551 * cfgloop.h: Remove the prototype for split_loop_bb.
10553 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10554 * cfgloop.h: Remove the prototype for
10555 flow_loop_outside_edge_p.
10557 * emit-rtl.c (init_virtual_regs): Make it static.
10558 * function.h: Remove the prototype for init_virtual_regs.
10560 * recog.c (peephole2_optimize): Make it static.
10561 * recog.h: Remove the prototype for peephole2_optimize.
10563 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10565 * df-scan.c (df_record_entry_block_defs): Check if
10566 INCOMING_RETURN_ADDR_RTX is defined.
10568 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10569 Kenneth Zadeck <zadeck@naturalbridge.com>
10571 PR rtl-optimization/24762
10572 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10573 * targhooks.c (hook_void_bitmap): New hook prototype.
10574 * targhoohs.h (hook_void_bitmap): Ditto.
10575 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10576 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10577 * target.h (live_on_entry): New function pointer.
10578 * df-scan.c (df_all_hard_regs): Removed.
10579 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10580 (df_scan_free_internal): Added df->entry_block_defs.
10581 (df_scan_alloc): Ditto.
10582 (df_scan_dump): Ditto.
10583 (df_uses_record): Plumbed flag field properly thru calls.
10584 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10585 This part fixes PR24762.
10586 (df_bb_refs_record): Added code to make the frame and arg
10587 pointers live in EH blocks.
10588 (df_refs_record): Added call to df_record_entry_block_defs.
10589 (df_record_entry_block_defs): New function.
10590 * df-core.c: Added comments to describe new artifical defs.
10591 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10592 (entry_block_defs): New field in struct df.
10593 (df_all_hard_regs): Deleted.
10594 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10595 * df-problems.c (df_ru_bb_local_compute_process_def):
10596 Added code to handle artifical defs in the entry to a function.
10597 (df_ru_bb_local_compute): Ditto.
10598 (df_rd_bb_local_compute_process_def): Ditto.
10599 (df_rd_bb_local_compute): Ditto.
10600 (df_lr_bb_local_compute): Ditto.
10601 (df_ur_bb_local_compute): Ditto.
10602 (df_urec_bb_local_compute): Ditto.
10603 (df_chain_create_bb): Ditto.
10604 (df_ur_local_finalize): Removed entry.
10605 (df_urec_init): Ditto.
10606 (df_urec_local_finalize): Ditto.
10607 (df_ri_bb_compute): Added detection of last use of pseudos.
10608 * Makefile.in (df-scan.o): Updated dependencies.
10609 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10610 * config/mips/mips.c (mips_set_live_on_entry): Added.
10611 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10613 * dce.c (marked_insn_p): Added code to handle artifical defs.
10615 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10617 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10619 (_mm_cvtsi128_si64): Likewise.
10620 (_mm_cvtsd_si64): Likewise.
10621 (_mm_cvttsd_si64): Likewise.
10622 (_mm_cvtsi64_sd): Likewise.
10623 (_mm_cvtsi64_si128): Likewise.
10624 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10625 (_mm_cvtsi64_m64): Likewise.
10626 (_m_to_int64): Likewise.
10627 (_mm_cvtm64_si64): Likewise.
10628 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10629 (_mm_cvttss_si64): Likewise.
10630 (_mm_cvtsi64_ss): Likewise.
10631 (_mm_cvtss_f32): Likewise.
10633 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10635 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10636 for pragma redefine_extname.
10638 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10641 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10642 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10643 -mno-minimal-toc to previous content.
10644 (bispecs): Remove goal.
10645 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10646 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10647 compatibility aliases on powerpc-*-*gnu*.
10648 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10649 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10650 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10651 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10652 (ldblspecs): New goal.
10653 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10654 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10656 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10657 L_sf_to_tf or L_df_to_tf is defined.
10659 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10660 Alan Modra <amodra@bigpond.net.au>
10663 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10664 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10665 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10666 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10667 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10668 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10669 (rs6000_override_options): Initialize rs6000_ieeequad.
10670 Initialize TFmode format to ibm_extended_format if not
10672 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10674 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10675 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10676 (function_arg_advance): IBM long double passed in two FPRs, not
10678 (function_arg): IBM long double passed in FPRs.
10679 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10680 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10681 Only multireg GPR aligned.
10682 (rs6000_init_libfuncs): Enable IBM long double functions if not
10684 (rs6000_generate_compare): Use IBM long double compare if not
10686 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10687 (TARGET_IEEEQUAD): Define.
10688 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10689 not TARGET_IEEEQUAD.
10690 * config/rs6000/rs6000.md: Enable TFmode patterns if
10692 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10693 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10694 and -mlong-double-128 are incompatible.
10695 * doc/invoke.texi (-mabi): Collect options together. Add
10696 ibmlongdouble and ieeelongdouble.
10698 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10700 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10702 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10703 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10704 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10705 * rtl.h (rtunion_def): Remove rt_ptr.
10707 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10708 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10709 * config/i386/winnt.c (i386_pe_mark_dllexport)
10710 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10712 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10714 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10716 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10720 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10721 pthread_key_delete. From John David Anglin. gthrw-ify
10722 pthread_getunique_np only if it it's not a macro. Delete
10724 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10725 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10726 __gthread_objc_condition_signal, __gthread_key_delete): Add
10727 "__attribute__ ((__unused__))" to unused arguments.
10728 (__gthread_recursive_mutex_init_function): Add missing return.
10729 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10730 gthr-posix95.h: Use macro-based approach for name redirection
10731 on targets missing weakref.
10733 2006-01-26 Zack Weinberg <zackw@panix.com>
10735 * genconditions.c (write_header): In generated code, #ifdef out
10736 all includes and fake declarations, except includes of bconfig.h
10737 and system.h, unless GCC_VERSION >= 3001. Do not include
10738 gensupport.h in any case.
10739 (write_conditions): Generate a definition of struct c_test. Add
10740 a comment to the generated #endif.
10741 (write_one_condition): Escape backslashes in string too.
10742 (write_writer): Generated code must escape backslashes and quote
10743 marks (but not newlines) in the strings it writes.
10744 * Makefile.in (build/gencondmd.o): Update dependencies.
10746 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10749 * Makefile.in (insn-automata.o): Add header file dependencies.
10750 * genautomata.c: Add includes.
10752 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10755 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10757 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10759 * configure.ac: Expect target tools paths to be passed from the toplevel
10760 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10762 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10764 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10767 * c.opt (Wpointer-sign): Init to -1.
10768 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10769 OPT_pedantic, to 0 otherwise.
10770 * doc/invoke.texi: Update.
10772 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10774 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10775 constants provided by 80387 instructions in the destination mode.
10777 2006-01-26 Richard Guenther <rguenther@suse.de>
10778 Andrew Pinski <pinskia@physics.uc.edu>
10781 partial PR tree-opt/17064
10782 * tree-ssa-structalias.c (intra_create_variable_infos):
10783 Create heap variables for incoming parameters if
10784 flag_argument_noalias > 1.
10785 (find_what_p_points_to): Look through default defs of
10788 2006-01-26 Jeff Law <law@redhat.com>
10791 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10792 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10793 within the VR_RANGE, use the VR_RANGE as the result, not the
10795 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10796 bounds for the type.
10798 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10800 * tree-ssa-alias.c (maybe_create_global_var): Change
10801 subvar walking to an assertion that we don't have subvar'd variables.
10803 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10806 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10807 Use a new variable, inner. PARM_DECLs are always non-weak.
10809 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10811 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10812 --disable-checking.
10814 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10816 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10818 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10820 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10821 (smax_insn, smin_insn, smax_0, smin_0): New.
10823 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10826 * config/cris/cris.c (cris_order_for_addsi3): New function.
10827 * config/cris/cris-protos.h: Prototype it.
10828 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10829 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10830 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10831 (split for "op.S1 [rx=rx+i],ry (swapped)")
10832 (split for "op(s|u).S1 [rx=rx+i],ry")
10833 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10834 Apply cris_order_for_addsi3 when generating addsi3 insns.
10836 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10838 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10839 (TREE_BLOCK): Add call to EXPR_CHECK.
10841 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10844 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10845 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10846 (dump_omp_clauses): ... here.
10847 (dump_generic_node): Handle OMP_CLAUSE.
10848 * tree.c (omp_clause_num_ops): New.
10849 (omp_clause_code_name): New.
10850 (tree_code_size): Handle OMP_CLAUSE.
10851 (tree_size): Likewise.
10852 (make_node): Document handling of OMP_CLAUSE.
10853 (tree_node_structure): Handle OMP_CLAUSE.
10854 (omp_clause_check_failed): New.
10855 (omp_clause_range_check_failed): New.
10856 (omp_clause_operand_check_failed): New.
10857 (build_omp_clause): New.
10858 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10859 * tree.h (enum omp_clause_code): Declare.
10860 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10861 (OMP_CLAUSE_RANGE_CHECK): Define.
10862 (OMP_CLAUSE_ELT_CHECK): Define.
10863 (omp_clause_check_failed): Declare.
10864 (omp_clause_operand_check_failed): Declare.
10865 (omp_clause_range_check_failed): Declare.
10866 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10867 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10868 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10869 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10870 (OMP_CLAUSE_IF_EXPR): Likewise.
10871 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10872 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10873 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10874 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10875 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10876 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10877 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10878 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10879 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10880 (OMP_CLAUSE_CODE): Define.
10881 (OMP_CLAUSE_SET_CODE): Define.
10882 (OMP_CLAUSE_CODE): Define.
10883 (OMP_CLAUSE_OPERAND): Define.
10884 (struct tree_omp_clause): Declare.
10885 (union tree_node): Add field 'omp_clause'.
10886 * treestruct.def (TS_OMP_CLAUSE): Define.
10887 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10888 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10889 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10890 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10891 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10892 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10893 (OMP_CLAUSE): Define.
10894 * print-tree.c (print_node): Handle OMP_CLAUSE.
10895 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10896 * c-typeck.c: Likewise.
10897 * gimplify.c: Likewise.
10898 * c-omp.c: Likewise.
10899 * tree-nested.c: Likewise.
10900 * tree-inline.c: Likewise.
10901 * c-parser.c: Likewise.
10902 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10905 2006-01-25 Roger Sayle <roger@eyesopen.com>
10907 PR rtl-optimization/25703
10908 * combine.c (try_combine): Handle zero_extract and strict_low_part
10909 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10911 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10913 * global.c: Fix comment typos.
10915 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10918 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10919 Use output_addr_const instead of assemble_name.
10921 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10923 * Makefile.in (sched-vis.o): Update dependencies.
10924 * haifa-sched.c (sched_finish): Clear current_sched_info.
10925 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10926 (dump_flow_info): Call it.
10927 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10929 * basic-block.h (dump_bb_info): Declare.
10930 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10931 option, and apply options only for dump files whose TDF_RTL,
10932 TDF_TREE, or TDF_IPA bits match.
10933 * rtl.h: Declare new functions exported from sched-vis.c.
10934 * sched-vis.c: Enable also if scheduling is not used.
10935 (print_value): Print the mode of registers if not inside scheduling.
10936 (print_insn): Make it work outside the scheduler. Beautify the output
10938 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10940 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10942 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10943 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10944 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10945 depending on the value of CONSTANT_POOL_ADDRESS_P.
10946 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10948 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10949 rather than SYMBOL_REF_DECL.
10950 (rtx_constant_pool): Remove const_rtx_sym_htab.
10951 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10952 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10953 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10954 Remove handling of const_rtx_sym_htab.
10955 (find_pool_constant): Delete.
10956 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10957 rather than find_pool_constant.
10958 (get_pool_constant_for_function): Delete.
10959 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10960 find_pool_constant.
10961 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10962 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10963 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10964 (SYMBOL_REF_CONSTANT): New macro.
10965 (get_pool_constant_for_function): Delete.
10966 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10967 rather than SYMBOL_REF_DECL.
10968 (i386_pe_mark_dllimport): Likewise.
10969 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10970 rather than SYMBOL_REF_DECL.
10971 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10972 (machopic_indirect_call_target): Likewise.
10974 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10976 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10978 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10980 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10982 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10984 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10986 2006-01-24 David Daney <ddaney@avtrex.com>
10989 * configure.ac (enable_tls): New enable option.
10990 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10991 * configure: Regenerate.
10992 * doc/install.texi (--enable-tls): Document new option.
10993 (--disable-tls): Ditto.
10995 2006-01-24 Richard Henderson <rth@redehat.com>
10997 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10998 * alias.c (true_dependence): Respect it.
10999 (canon_true_dependence, write_dependence_p): Likewise.
11000 * builtins.c (get_builtin_sync_mem): Set it.
11002 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11004 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11007 2006-01-24 DJ Delorie <dj@redhat.com>
11009 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11010 for storing constants in single-bit bitfields.
11012 2006-01-25 Ben Elliston <bje@au.ibm.com>
11014 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11016 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11019 * tree-ssa-pre.c (phi_translate): Return NULL
11020 for AGGREGATE_TYPE's.
11022 2006-01-24 Zack Weinberg <zackw@panix.com>
11024 * genautomata.c (process_state_for_insn_equiv_partition):
11025 Use xcalloc for insn_arcs_array.
11026 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11027 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11029 2006-01-24 Richard Henderson <rth@redhat.com>
11031 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11032 update all callers.
11034 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11036 PR rtl-optimization/25890
11037 PR rtl-optimization/25905
11038 * combine.c (expand_compound_operation, expand_field_assignment):
11039 Fail if the bitfield's final position is out of bounds.
11041 2006-01-24 Ian Lance Taylor <ian@airs.com>
11043 PR middle-end/25930
11044 * cgraphunit.c (cgraph_output_in_order): Don't clear
11045 cgraph_asm_nodes until after asm strings have been output.
11047 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11049 * fix-header.c (read_scan_file): Add new parameter imultilib when
11050 calling register_include_chains.
11052 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11054 * omp-low.c: Update documentation.
11056 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11057 Daniel Berlin <dberlin@dberlin.org>
11061 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11062 return from the function.
11064 2006-01-22 Zack Weinberg <zackw@panix.com>
11066 * rtl.def (match_code): Add second argument.
11067 * genpreds.c (write_extract_subexp): New function.
11068 (write_match_code): Add path argument. Use write_extract_subexp.
11069 (write_predicate_expr): Pass path to write_match_code.
11070 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11071 not perform a mode test.
11072 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11073 a subexpression does not constrain the top-level code set.
11074 * read-rtl.c (read_rtx_variadic): New function.
11075 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11076 * doc/md.texi: Document new notation.
11077 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11078 (cmpsi_operand): ... here, using new notation.
11080 2006-01-22 Zack Weinberg <zackw@panix.com>
11082 * varray.c: Remove GENERATOR_FILE #ifdefs.
11084 2006-01-22 Zack Weinberg <zackw@panix.com>
11086 * genautomata.c (output_reserved_units_table): Emit nothing if
11087 description->query_units_num is zero. Remove extra blank line.
11088 (output_cpu_unit_reservation_p): Short circuit
11089 if description->query_units_num is zero.
11091 2006-01-22 Zack Weinberg <zackw@panix.com>
11093 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11094 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11095 nor any of the random handful of variables that used to be necessary
11096 when this program was linked with rtlanal.o. Prune set of forward
11097 function declarations.
11098 (struct attr_desc): Remove static_p field.
11099 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11100 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11101 (attr_string): Do not read the character one past the length of
11103 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11104 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11105 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11106 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11107 (make_automaton_attrs): New.
11108 (main): Do not call into genautomata. Call local gen_bypass
11109 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11110 Remove special case for insn_alts.
11111 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11112 varray.h (leftover from previous change). Prune set of forward
11113 function declarations. Remove state_alts fields from all
11114 structures. Remove state_alts_table from struct automaton.
11115 Make everything except main static. Do not maintain num_dfa_decls.
11116 Do not maintain state_alts fields of various structures.
11117 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11118 (add_arc): Remove state_alts argument. All callers updated.
11119 (output_reserved_units_table): Emit #ifdef here...
11120 (output_tables): ...not here. Don't generate state_alts tables.
11121 (expand_automata): Don't generate attributes.
11122 (write_automata): Don't generate state_alts functions.
11123 (main): New function.
11124 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11125 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11126 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11127 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11128 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11129 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11130 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11131 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11133 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11134 * genattrtab.h: Delete file.
11135 * Makefile.in (OBJS-common): Add insn-automata.o.
11136 (insn-automata.o): New rule.
11137 (simple_generated_c): Add insn-automata.c.
11138 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11139 (genprogmd): Add automata.
11140 (build/genattrtab): Needs no extra objects nor libraries.
11141 (build/genautomata): Needs build/vec.o and -lm.
11143 2006-01-22 Zack Weinberg <zackw@panix.com>
11145 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11146 (output_dfa_max_issue_rate, locked_states_num): Delete.
11147 (struct automaton): Add locked_states field.
11148 (output_dead_lock_vect): Save number of locked states in
11149 automaton->locked_states. If it is zero, don't print anything.
11150 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11151 (output_internal_dead_lock_func): Only test the dead_lock_vect
11152 for automata that have locked states.
11153 (output_statistics): Always print the number of locked states for
11154 each automaton. Calculate total number of locked states here.
11155 (write_automata): Don't call output_dfa_max_issue_rate.
11156 * genattrtab.c: Define length_unit_log as a const variable.
11157 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11158 max_insn_queue_index const.
11159 * final.c (length_unit_log): Declare const.
11160 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11162 2006-01-22 Zack Weinberg <zackw@panix.com>
11164 * genautomata.c: Include vec.h, not varray.h.
11165 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11166 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11167 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11168 VEC_* macros operating on appropriately typed vectors, or to
11169 malloced arrays when the size is known in advance. Const-ify
11170 many char* variables and function arguments. No functional changes.
11171 * Makefile.in (build/varray.o): Delete rule.
11172 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11173 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11175 2006-01-22 Zack Weinberg <zackw@panix.com>
11177 * gensupport.c: Define get_insn_name and record_insn_name here.
11178 (read_md_rtx): Call record_insn_name as appropriate.
11179 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11180 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11181 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11183 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11184 (BUILD_VARRAY): Delete.
11185 (genprognormal): Rename genprogmd. Fold in all programs from
11186 genprognoprint; also attrtab.
11187 (build/genattrtab): Just mention genautomata.o and varray.o.
11188 Reorganize a bit, add comments to make the categories clearer.
11190 2006-01-22 Zack Weinberg <zackw@panix.com>
11192 * genconditions.c (condition_table, add_condition): Delete.
11193 (write_conditions): Don't emit n_insn_conditions nor
11194 insn_elision_unavailable. Issue the gcc version #ifdef here,
11195 inside the table, with no #else clause ...
11196 (write_header): ...not here.
11197 (write_writer): New function.
11198 (main): Don't initialize condition_table. Use add_c_test.
11200 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11201 files on the command line.
11202 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11203 Return -1 if there is no entry in the table, don't abort.
11204 (add_c_test, traverse_c_tests): New functions.
11205 * gensupport.h (insn_elision_unavailable, insn_conditions)
11206 (n_insn_conditions): Delete declarations.
11207 (add_c_test, traverse_c_tests): Declare.
11208 * read-rtl.c: Include gensupport.h.
11209 (read_conditions): New function.
11210 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11211 (read_rtx_1): If we get EOF when we were looking for an initial
11212 open paren, return 0. Call read_conditions when appropriate.
11213 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11214 dummy-conditions.o. Eliminate references to insn-conditions.o,
11215 or change them to build/gencondmd.o, as appropriate. Remove
11216 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11217 from $(simple_generated_c). For all files remaining in those
11218 two lists, add insn-conditions.md to the generator command line.
11219 Give insn-constants.h/s-constants their own rules. Add rules
11220 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11221 (build/read-rtl.o): Depend on gensupport.h.
11222 (genprognormal): Include preds.
11223 (genprogearly): Rename genprognoprint; only difference is now that
11224 they don't link with $(BUILD_PRINT).
11225 * dummy-conditions.c: Delete.
11227 2006-01-22 Zack Weinberg <zackw@panix.com>
11229 * genextract.c: Don't include insn-config.h. Do include vec.h.
11230 Declare vectors of int, char, and locstr.
11231 (locstr): New typedef.
11232 (struct extraction): Make all array fields into bare pointers.
11233 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11234 (insn_code_number): Delete.
11235 (accum_extract): New struct.
11236 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11237 (gen_insn): Take insn_code_number as an argument. Use an
11238 accum_extract structure instead of loading data directly into
11239 a struct extraction, and having to know how big it might get.
11240 (walk_rtx): Operate entirely on an accum_extract structure.
11241 (print_path): Avoid unnecessary use of printf.
11242 (print_header): New function, split out of main. Distinguish
11243 more carefully between an unrecognizable insn and an insn that
11244 has the code number of a define_expand.
11245 (main): Pass insn_code_number to gen_insn. Call print_header
11246 only after parsing. Avoid unnecessary use of printf.
11247 * Makefile.in (build/vec.o): New rule.
11248 (build/genextract): Depend on build/vec.o.
11249 (build/genextract.o): Don't depend on insn-config.h.
11251 2006-01-22 Zack Weinberg <zackw@panix.com>
11253 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11254 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11255 practical. Eliminate per-generator-program link rules.
11257 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11259 PR middle-end/24437
11260 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11261 with a call expr to ...
11262 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11264 2006-01-23 Richard Guenther <rguenther@suse.de>
11266 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11267 before make_edge with conditional EDGE_TRUE_VALUE.
11269 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11270 Jan Hubicka <jh@suse.cz>
11271 Richard Guenther <rguenther@suse.de>
11273 PR rtl-optimization/25654
11274 * cfgexpand.c (aggregate_contains_union_type): New function.
11275 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11276 for structure variables that contain a union type.
11278 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11280 * gengtype.c (new_structure): Return the structure.
11281 (create_option): Add an extra "next" argument.
11282 (create_field): New function.
11283 (adjust_field_rtx_def): Use create_option and create_field.
11284 Remove a now-unnecessary call to find_structure.
11285 (adjust_field_tree_def): Likewise.
11286 (note_yacc_type): Remove an unnecessary call to find_structure.
11287 * gengtype.h (new_structure): Return the structure.
11288 (create_option): Add an extra argument.
11289 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11290 (option): Adjust calls to create_option.
11292 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11294 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11296 2006-01-22 Paul Brook <paul@codesourcery.com>
11297 Peter Barada <peter@the-baradas.com>
11299 * config/m68k/m68k.md: Add Coldfire FPU support.
11300 Define FP mode macro and associated attributes.
11301 Use it for float mode patterns.
11302 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11303 (LIBCALL_VALUE): Use m68k_libcall_value.
11304 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11305 (m68k_function_value): Ditto.
11306 (emit_move_sequence): Ditto.
11307 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11308 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11309 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11310 (MULTILIB_EXCEPTIONS): Ditto.
11311 * config/m68k/m68k.opt: Add mcfv4e.
11312 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11313 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11314 (m68k_output_function_prologue): Save ColdFire FPU registers.
11315 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11316 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11317 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11318 ColdFire FPU registers.
11319 (m68k_libcall_value, m68k_function_value): New functions.
11320 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11321 (LIBCALL_VALUE): Use m68k_libcall_value.
11322 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11323 (MASK_COLDFIRE): Add MASK_CFV4E.
11324 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11325 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11326 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11327 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11328 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11329 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11330 * doc/invoke.tex: Document -mcfv4e on m68k.
11332 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11334 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11337 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11340 * c-opts.c (c_common_handle_option): Don't include
11341 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11342 * doc/invoke.texi (C++ Dialect Options): Document that
11343 -Wnon-virtual-dtor is no longer included in -Wall.
11345 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11347 * gcov.c (print_version), gcov-dump.c (print_version),
11348 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11351 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11353 * df-scan.c (problem_SCAN): Added NULL reset function.
11354 (df_scan_reset_blocks): Added code to call reset block function
11355 (df_bb_refs_delete) Fixed comment.
11356 (df_insn_refs_delete): Made tolerant of deleting non existent info
11357 for dataflow problems that need to be reset.
11358 * df-core.c (df_set_blocks): Ditto.
11359 * df.h (struct df_problem): Added reset_fun.
11360 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11361 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11362 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11363 functions to clear out all references to def-use or use-def chains.
11365 2006-01-21 Ben Elliston <bje@au.ibm.com>
11367 * varasm.c (assemble_real): Initialise data array.
11369 2006-01-20 Paul Brook <paul@codesourcery.com>
11371 Merge from csl-arm-branch.
11372 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11373 * config/arm/arm.md (movdi): Force operands[1] to a register
11374 if we have a non-register source.
11375 (*arm_movdi, *movdf_soft_insn): Require that one of the
11376 operands be a register.
11377 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11378 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11380 2006-01-20 DJ Delorie <dj@redhat.com>
11382 * varasm.c (initializer_constant_valid_p): Allow pointers
11383 initialized from integer constants of lesser precision.
11384 (output_constant): Allow non-int-sized pointer modes to be
11385 initialized from integer constants.
11387 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11390 * cppdefault.h (struct default_include): Add multilib flag.
11391 * cppdefault.c (cpp_include_defaults): Set it.
11392 * c.opt (-imultilib): New option.
11393 * c-opts.c (imultilib): New.
11394 (c_common_handle_option): Handle -imultilib.
11395 (c_common_post_options): Likewise.
11396 * c-incpath.c (add_standard_paths, register_include_chains):
11398 * c-incpath.h (register_include_chains): Add extra parameter.
11399 * gcc.c (do_spec_1): Generate -imultilib option.
11400 (The Specs Language): Update %I description.
11401 (process_command): Update copyright notice.
11402 * doc/cppopts.texi (-imultilib): Document.
11403 * doc/invoke.texi (-imultilib): Include in option summary.
11404 (%I): Update specs documentation.
11406 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11408 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11410 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11412 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11415 2006-01-20 Richard Guenther <rguenther@suse.de>
11416 Steven Bosscher <stevenb.gcc@gmail.com>
11418 PR rtl-optimization/24626
11419 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11420 EDGE_TRUE_VALUE if in RTL mode.
11423 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11424 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11426 2006-01-20 Dirk Mueller <dmueller@suse.com>
11429 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11430 instead of a special NOP marker.
11431 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11432 NOP marker handling.
11433 * c-common.h (empty_body_warning): Add forward declaration.
11434 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11435 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11437 2006-01-20 Paul Brook <paul@codesourcery.com>
11439 * Makefile.in (lang_checks): Keep going if mkdir fails.
11441 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11443 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11444 be able to clean out basic block when not necessary.
11445 (df_scan_free): Fixed to properly delete information if df is
11446 unused before calling df_finish.
11447 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11448 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11450 (df_bb_refs_delete): New function.
11451 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11452 * df-core.c (df_set_blocks): Added code to properly clean out
11453 unused blocks if they are not part of the blocks to consider.
11454 Added additional null check.
11455 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11456 be able to clean out basic block when not necessary
11457 * df.h (df_free_bb_function): Ditto.
11458 (df_bb_refs_delete): New function.
11459 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11460 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11461 basic block parameter to be able to clean out basic block when not
11463 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11464 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11465 Fixed to properly delete information if df is unused before
11468 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11470 PR rtl-optimization/25799
11471 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11472 Corrected confluence operator to remove bits from op2 before oring
11473 with op1 rather than removing bits from op1.
11474 (df_ru_transfer_function): Corrected test on wrong bitmap which
11475 caused infinite loop. Both of these problems were introduced in
11476 the dataflow rewrite.
11478 2006-01-19 DJ Delorie <dj@redhat.com>
11480 * reload1.c (find_reload_regs): Note the details of reload
11481 failures in the dump file.
11482 (spill_failure): Likewise.
11484 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11486 * loop-iv.c: Include df.h and hashtab.h.
11487 (enum iv_grd_result): New enum.
11488 (DF_REF_IV, DF_REF_IV_SET): New macros.
11489 (struct biv_entry): New.
11490 (df, bivs): New global variables.
11491 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11492 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11494 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11495 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11496 analyzed_for_bivness_p, record_biv): New functions.
11497 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11498 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11499 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11501 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11503 (iv_number_of_iterations): Use new interface to iv analysis.
11504 * loop-unroll.c: Do not include varray.h.
11505 (analyze_iv_to_split_insn): Use new interface to iv
11507 * loop-unswitch.c (may_unswitch_on): Ditto.
11508 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11510 (df_bb_modify): Realloc tables to the new index.
11511 (df_find_use): New function.
11512 * df.h (df_find_use): Declare.
11513 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11515 * cfgloop.h (struct rtx_iv): Remove analysed field.
11516 (iv_get_reaching_def): Removed.
11517 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11518 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11519 (loop-iv.o): Add df.h and hashtab.h dependency.
11520 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11522 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11525 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11527 (__floatundisf, __floatundidf): Likewise.
11528 * libgcc2.h (IS_IBM_EXTENDED): Define.
11530 2006-01-19 DJ Delorie <dj@redhat.com>
11532 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11534 2006-01-19 Paul Brook <paul@codesourcery.com>
11536 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11537 as nothrow when unwinding tables are disabled.
11539 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11542 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11543 of bit-field" when in system header.
11545 2006-01-19 DJ Delorie <dj@redhat.com>
11547 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11548 the 16 bit shift limit of the m16c.
11550 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11553 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11554 * config/i386/i386.c (output_set_got): Output the label if we have one
11555 for the TARGET_DEEP_BRANCH_PREDICTION case.
11557 2006-01-19 Jan Hubicka <jh@suse.cz>
11558 H.J. Lu <hongjiu.lu@intel.com>
11559 Evandro Menezes <evandro.menezes@amd.com>
11561 * invoke.texi (generic): Document
11563 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11564 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11565 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11566 (x86_use_incdec, x86_pad_returns): New variables
11567 (TARGET_CPU_DEFAULT_generic): New constant
11568 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11569 (enum processor_type): Add generic32 and generic64.
11570 * i386.md (cpu attribute): Add generic32/generic64
11571 (movhi splitter): Behave sanely when both partial_reg_dependency and
11572 partial_reg_stall are set.
11573 (K8 splitters): Enable for generic as well.
11574 * predicates.md (incdec_operand): Use TARGET_INCDEC
11575 (aligned_operand): Avoid memory mismatch stalls.
11576 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11577 * ppro.md: Enable for generic32
11578 * i386.c (generic64_cost, generic32_cost): New.
11579 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11580 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11581 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11582 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11583 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11584 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11585 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11586 x86_accumulate_outgoing_args, x86_prologue_using_move,
11587 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11588 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11589 Enable for generic.
11590 (x86_use_incdec, x86_pad_returns): New.
11591 (override_options): Add generic32 and generic64, translate "generic"
11592 to generic32/generic64 and "i686" to "generic32", refuse
11593 "generic32"/"generic64" as arch target.
11594 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11595 (ix86_reorg): Honor PAD_RETURNS.
11597 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11599 * tree-pretty-print.c (dump_generic_node): Handle
11600 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11601 * cgraph.c (cgraph_expand_queue): Rename from
11602 cgraph_analyze_queue. Update all users.
11603 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11604 cgraph_expand_queue.
11605 (cgraph_expand_all_functions): Likewise.
11606 (cgraph_finalize_pending_functions): Remove. Update callers.
11608 * tree.h (OMP_DIRECTIVE_P): Define.
11609 (OMP_PARALLEL_FN): Define.
11610 (OMP_PARALLEL_DATA_ARG): Define.
11611 (OMP_SECTIONS_SECTIONS): Define.
11612 * tree-pass.h (pass_expand_omp): Declare.
11613 * omp-low.c (struct omp_region): Declare.
11614 (struct omp_context): Remove fields 'parallel_type',
11615 'parallel_start_ix' and 'parallel_start_additional_args'.
11617 (struct omp_for_data): Rename from struct expand_omp_for_data.
11618 (omp_regions): New static variable.
11619 (root_omp_region): New static variable.
11620 (find_omp_clause): Make static.
11621 (is_in_combined_parallel_ctx): Remove.
11622 (is_combined_parallel): New.
11623 (extract_omp_for_data): Move earlier in the file.
11624 (workshare_safe_to_combine_p): New.
11625 (get_ws_args_for): New.
11626 (determine_parallel_type): Move earlier in the file.
11627 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11629 (omp_copy_decl): Likewise.
11630 (create_omp_child_function): Likewise.
11631 (lookup_omp_region): New.
11632 (dump_omp_region): New.
11633 (debug_omp_region): New.
11634 (debug_all_omp_regions): New.
11635 (new_omp_region): New.
11636 (scan_omp_parallel): If parallel_nesting_level > 1, the
11637 directive is nested within another parallel directive.
11638 Set OMP_PARALLEL_FN.
11639 (scan_omp_for): Do not try to handle combined parallel+for
11641 Remove FIXME comment.
11642 (scan_omp_nested): Remove.
11643 (scan_omp_1): Do not call scan_omp_nested when
11644 parallel_nesting_level is > 1.
11645 Do not change the DECL_CONTEXT of local variables found.
11646 (lookup_decl_in_outer_ctx): New.
11647 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11648 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11649 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11650 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11651 If CTX is nested, lookup VAR in the outer context when
11652 building copy assignment.
11653 (lower_send_clauses): Rename from expand_send_clauses.
11654 If CTX is nested, lookup VAR in the outer context when
11655 building copy assignments.
11656 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11657 If CTX is nested, lookup VAR in the outer context when
11658 building copy assignments.
11659 (expand_parallel_call): Rename from build_parallel_call.
11660 Handle combined parallel+workshare cases.
11661 Re-implement to emit code into the CFG.
11663 (expand_omp_parallel): Re-implement to emit code into the CFG.
11664 Call move_sese_region_to_fn to outline the sub-graph
11665 containing the parallel region.
11666 (expand_omp_for_1): Remove.
11667 (expand_omp_for_generic): Re-implement to emit code into the
11669 (expand_omp_for_static_nochunk): Likewise.
11670 (expand_omp_for_static_chunk): Likewise.
11671 (expand_omp_for): Likewise.
11672 (expand_omp_sections): Likewise.
11673 (remove_exit_barriers): New.
11674 (expand_omp_synch): New.
11676 (build_omp_regions_1): New.
11677 (build_omp_regions): New.
11678 (execute_expand_omp): New.
11679 (gate_expand_omp): New.
11680 (pass_expand_omp): Define.
11681 (lower_omp_sections): Rename from expand_omp_sections.
11682 Set OMP_SECTIONS_SECTIONS.
11683 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11684 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11685 (lower_omp_single): Rename from expand_omp_simple.
11686 (lower_omp_master): Rename from expand_omp_master.
11687 (lower_omp_ordered): Rename from expand_omp_ordered.
11688 (lower_omp_critical): Rename from expand_omp_critical.
11689 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11690 (lower_omp_for): Re-implement.
11691 (lower_omp_parallel): Re-implement.
11692 (lower_regimplify): Rename from expand_regimplify.
11693 (lower_omp_1): Rename from expand_omp_1.
11694 If there are syntax errors in the program, replace every
11695 OpenMP directive with NOP.
11696 Call lower_omp_* instead of expand_omp_*.
11697 (lower_omp): Rename from expand_omp.
11699 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11700 * tree-gimple.h (enum omp_parallel_type): Remove.
11701 (gimple_boolify): Declare extern.
11702 (find_omp_clause, determine_parallel_type): Remove.
11704 * gimple-low.c (lower_omp_directive): New.
11705 (lower_stmt): Call it.
11706 (record_vars_into): Move from ...
11707 (record_vars): ... here.
11708 Call record_vars_into with current_function_decl.
11710 * gimplify.c (struct gimplify_ctx): Remove fields
11711 combined_pre_p and combined_ctxp. Update users.
11712 (get_formal_tmp_var): Add documentation.
11713 (gimple_boolify): Make extern.
11714 (gimplify_expr_in_ctx): Remove. Update callers.
11715 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11716 will always be a BIND_EXPR.
11717 (gimplify_expr): Handle OMP_RETURN_EXPR.
11718 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11719 (OMP_PARALLEL): Add 3 operands.
11720 (OMP_SECTIONS): Add 1 operand.
11721 (OMP_RETURN_EXPR): Define.
11723 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11724 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11725 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11726 creating a circular free list.
11727 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11729 * tree-flow.h (move_sese_region_to_fn): Declare.
11730 (record_vars_into): Declare.
11731 * tree-cfg.c (make_omp_sections_edges): New.
11732 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11733 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11734 OMP_SECTIONS and OMP_SECTION.
11735 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11736 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11737 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11738 (gather_blocks_in_sese_region): New.
11739 (struct move_stmt_d): Declare.
11740 (move_stmt_r): New.
11741 (move_block_to_fn): New.
11742 (move_sese_region_to_fn): New.
11744 * passes.c (init_optimization_passes): Schedule
11745 pass_expand_omp after pass_init_datastructures.
11747 * tree-ssa-operands.c (get_expr_operands): Handle
11748 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11749 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11751 2006-01-19 Jeff Law <law@redhat.com>
11753 * tree-vrp.c (extract_range_from_assert): Refine the result range
11754 if the variable referenced by the ASSERT_EXPR has a range and
11755 either the tentative result range or the previous range is a
11758 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11760 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11762 2006-01-19 Jan Hubicka <jh@suse.cz>
11764 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11766 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11768 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11769 (expand_compound_operation, expand_field_assignment): Fail if the
11770 bit lengths of an extract operation are out of range.
11771 (make_extraction): Compute wanted_inner_mode based on the position
11772 and length of the extraction. Make it extraction_mode for non-constant
11773 positions, and do not modify offset in that case. When generating a
11774 new MEM, use a mode that can hold the extraction while keeping correct
11775 alignment. Remove code that supported MEMs wrapped by USEs.
11776 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11778 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11780 * config/s390/s390.md ("Y", "y"): New mode attribute.
11781 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11782 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11783 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11784 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11785 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11786 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11787 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11788 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11789 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11790 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11791 "addsi3", "subsi3"): Insn patterns removed.
11792 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11793 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11794 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11795 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11796 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11797 "*sub<mode>3_cconly2"): New insn patterns.
11798 ("addsi3", "subsi3"): New expanders.
11800 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11802 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11803 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11804 existing STMT_VINFO_VECTYPE if available.
11805 (vect_mark_relevant): Add special handling for stmts that are
11806 marked as STMT_VINFO_IN_PATTERN_P.
11807 (vect_analyze_loop): Call vect_pattern_recog.
11808 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11809 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11811 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11812 (vect_recog_func_ptr): New function-pointer type.
11813 * tree-vect-patterns.c: New file.
11814 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11815 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11816 (vect_pattern_recog_1): New functions.
11817 (vect_pattern_recog_funcs): New array of function pointers.
11819 * tree-vectorizer.h (ternary_op): New enum value.
11820 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11821 declaration. Revised documentation. Removed redundant dump prints.
11822 Removed redundant argument. Added support for reduction patterns.
11823 (vectorizable_reduction): Added support for reduction patterns.
11824 (vect_transform_stmt): Added support for patterns.
11826 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11827 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11828 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11829 (expand_widen_pattern_expr): New function.
11830 (init_optabs): Initialize new optabs udot_prod_optab,
11832 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11833 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11834 (expand_widen_pattern_expr): New function declaration.
11835 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11837 * tree-inline.c (estimate_num_insns_1): Added cases for new
11838 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11839 * tree-pretty-print.c (dump_generic_node): Likewise.
11840 (op_prio): Likewise.
11841 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11842 * tree-ssa-operands.c (get_expr_operands): Added case for
11844 * tree-vect-patterns.c (widened_name_p): New function.
11845 (vect_recog_dot_prod_pattern): Added function implementation.
11846 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11847 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11848 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11849 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11851 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11852 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11853 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11854 (init_optabs): Initialize new optabs widen_ssum_optab,
11856 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11857 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11858 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11859 use instead of type of def.
11860 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11861 function implementation.
11862 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11863 widen_ssumv8hi): New.
11865 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11868 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11871 * c-decl.c (add_flexible_array_elts_to_size): New function.
11872 (finish_decl): Use it.
11874 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11876 * diagnostic.h: Include options.h.
11877 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11878 dependancies for diagnostic.h.
11879 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11881 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11883 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11884 (ssa_ro_call_cache_valid): Ditto.
11885 * tree-ssa-alias.c (sort_tags_by_id): New function.
11886 (init_transitive_clobber_worklist): Ditto.
11887 (add_to_worklist): Ditto.
11888 (mark_aliases_call_clobbered): Ditto.
11889 (compute_tag_properties): Ditto.
11890 (set_initial_properties): Ditto.
11891 (compute_call_clobbered): Ditto.
11892 (compute_may_aliases): Call compute_call_clobbered and grouping.
11893 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11894 (compute_flow_insensitive_aliasing): Grouping now happens in our
11896 (setup_pointers_and_addressables): Remove clobbering related code.
11897 (add_may_alias): Ditto.
11898 (replace_may_alias): Ditto.
11899 (get_nmt_for): Ditto.
11900 (create_global_var):
11901 (is_escape_site): Return an escape_type enumeration.
11902 * tree-flow-inline.h (is_call_clobbered): Global var does not
11903 imply call clobbered.
11904 (mark_call_clobbered): Take a reason for marking this. Remove
11905 marking of globalness, and cache invalidation.
11906 (clear_call_clobbered): Remove cache invalidation code.
11907 * tree-dfa.c (dump_variable): If details is on, dump the reason
11909 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11911 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11912 (struct var_ann_d): Ditto.
11913 (enum escape_type): New.
11914 (mark_call_clobbered): Adjust prototype.
11915 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11916 are never call clobbered.
11917 Record reasons for escaping.
11918 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11919 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11920 (ssa_ro_call_cache_valid): Ditto.
11921 (clobbered_v_may_defs): Ditto.
11922 (clobbered_vuses): Ditto.
11923 (ro_call_vuses): Ditto.
11924 (clobber_stats): New.
11925 (init_ssa_operands): Zero out clobber stats.
11926 (fini_ssa_operands): Print out clobber stats.
11927 (get_call_expr_operands): Pass callee fndecl to
11928 add_call_read_ops).
11929 (add_call_clobber_ops): Remove use of cache.
11930 Add use of PURE_CONST information.
11931 (add_call_read_ops): Remove use of cache.
11932 Add use of static not_read information.
11934 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11936 Introduce TLS descriptors for i386 and x86_64.
11937 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11938 (TARGET_ANY_GNU_TLS): New macro.
11939 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11940 (struct machine_function): Add tls_descriptor_call_expanded_p.
11941 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11942 (ix86_current_function_calls_tls_descriptor): Likewise.
11943 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11944 (override_options): Introduce gnu2 tls dialect.
11945 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11947 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11949 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11950 (ix86_init_machine_status): Initialize new field.
11951 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11952 (ix86_tls_module_base): New.
11953 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11954 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11955 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11956 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11957 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11958 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11959 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11960 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11961 * config/i386/predicates.md (tls_modbase_operand): New.
11962 (tp_or_register_operand): New.
11964 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11966 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11967 (look_for_address_of): Ditto.
11968 (ipa_init): Walk the function decls.
11969 (static_execute): Don't set readonly on FUNCTION_DECL's.
11971 2006-01-18 Roger Sayle <roger@eyesopen.com>
11973 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11974 for shifts where the source and destination registers are different.
11976 2006-01-18 Paul Brook <paul@codesourcery.com>
11978 Merge from csl-arm-branch.
11979 2005-03-14 Julian Brown <julian@codesourcery.com>
11980 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11981 (aeabi_llsl): Likewise.
11982 (ashrdi3): Likewise.
11983 (aeabi_lasr): Likewise.
11984 (lshrdi3): Likewise.
11985 (aeabi_llsr): Likewise.
11986 2005-03-10 Julian Brown <julian@codesourcery.com>
11987 * config.gcc: Disable shared libgcc for SymbianOS.
11988 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11990 2006-01-18 DJ Delorie <dj@redhat.com>
11992 * c-pragma.c (handle_pragma_diagnostic): New.
11993 (init_pragma): Register it.
11994 * doc/extend.texi: Document it.
11996 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11997 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11998 (diagnostic_context): Add classify_diagnostic[].
11999 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12000 as errors if they're overridden to DK_WARNING.
12001 (diagnostic_initialize): Initialize classify_diagnostic[].
12002 (diagnostic_set_kind_override): New.
12003 (diagnostic_report_diagnostic): Check for kind changes.
12004 * opts.c (common_handle_option): Take lang_mask. Update callers.
12005 Handle OPT_Werror_.
12006 * common.opt (Werror=): New.
12007 * doc/invoke.texi: Document -Werror=*
12009 2006-01-18 Jeff Law <law@redhat.com>
12011 * tree-vrp.c (test_for_singularity): Correct test for new
12012 min limit. Use operand_equal_p rather than pointer equality
12013 for testing if new min/max values are equal.
12015 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12016 using range information until after propagation and folding.
12018 2006-01-18 Richard Henderson <rth@redhat.com>
12019 Aldy Hernandez <aldyh@redhat.com>
12020 Jakub Jelinek <jakub@redhat.com>
12021 Diego Novillo <dnovillo@redhat.com>
12023 * omp-low.c: New file.
12024 * c-omp.c: New file.
12026 2006-01-18 Richard Henderson <rth@redhat.com>
12027 Jakub Jelinek <jakub@redhat.com>
12028 Diego Novillo <dnovillo@redhat.com>
12030 * doc/invoke.texi: Document -fopenmp.
12031 * tree-dump.h (debug_function): Declare.
12032 * hooks.c (hook_bool_tree_bool_false): New function.
12033 (hook_tree_tree_null): Remove.
12034 (hook_tree_tree_tree_null): New.
12035 * hooks.h: Update to match.
12036 * tree-pretty-print.c (debug_tree_chain): New.
12037 (print_generic_expr): Handle TDF_CHAIN.
12038 (dump_generic_node): Handle BLOCK.
12039 Do not abort with incomplete SWITCH_EXPRs.
12040 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12041 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12042 print space after directive name.
12043 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12044 Handle OMP_MASTER and OMP_ORDERED.
12045 Handle printing of OMP_BODY just in one place, goto
12046 dump_omp_body in the rest of OMP_* nodes that have
12048 Don't handle clause nodes here. Update omp statements to
12049 use dump_omp_clauses.
12050 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12051 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12052 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12053 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12054 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12055 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12056 Adjust output for GOMP_PARALLEL.
12057 (dump_omp_clauses): New.
12058 (print_declaration): Dump DECL_VALUE_EXPR.
12059 (op_symbol_1): Split out of op_symbol.
12060 (dumping_stmts): Remove. Update all users.
12061 * cgraph.c (cgraph_analyze_queue): New.
12062 (cgraph_add_new_function): New.
12063 * cgraph.h (cgraph_analyze_queue): Declare.
12064 (cgraph_add_new_function): Declare.
12065 (cgraph_lower_function): Remove.
12066 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12067 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12068 and TYPE_P nodes in its default clause.
12069 (empty_body_p): New.
12070 (tree_range_check_failed): New.
12071 (build5_stat): New.
12072 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12073 OMP_CLAUSE_REDUCTION_MERGE,
12074 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12075 OMP_CLAUSE_PRIVATE_DEBUG,
12076 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12077 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12078 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12079 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12080 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12081 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12082 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12083 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12084 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12085 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12086 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12087 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12088 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12089 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12090 (TREE_RANGE_CHECK): New.
12091 (empty_body_p): Declare.
12092 (enum omp_clause_default_kind): New.
12093 (build_string_literal): Declare.
12094 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12095 (build5_stat, build5): Declare.
12096 * tree-pass.h (TDF_CHAIN): Define.
12097 * tree-pass.h (PROP_gimple_lomp): Define.
12098 (pass_lower_omp): Declare.
12099 * diagnostic.h (debug_tree_chain): Declare.
12100 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12102 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12103 * builtins.c (build_string_literal): Make extern.
12104 * gcc.c (include_spec_function): New.
12105 (static_spec_functions): Add it.
12106 (main): Move load of libgomp.spec ...
12107 (LINK_COMMAND_SPEC): ... here.
12108 (link_gomp_spec): New.
12109 (static_specs): Include it.
12110 (LINK_COMMAND_SPEC): Add link_gomp.
12111 (GOMP_SELF_SPECS): New.
12112 (driver_self_specs): Include it.
12113 (switch_matches): Don't mark inline.
12114 (main): Load libgomp.spec.
12115 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12116 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12117 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12118 * tree-gimple.h (enum omp_parallel): Declare.
12119 (determine_parallel_type): Declare.
12120 (omp_firstprivatize_variable): Declare.
12121 (omp_reduction_init): Declare.
12122 (diagnose_omp_structured_block_errors): Declare.
12123 (struct walk_stmt_info): Add want_return_expr.
12124 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12125 (find_omp_clause): Declare.
12126 (insert_field_into_struct): Declare.
12127 (struct walk_stmt_info): Move from tree-nested.c
12128 (walk_stmts): Declare.
12129 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12131 * cgraphunit.c (cgraph_lower_function): Make static.
12132 (cgraph_finalize_pending_functions): New.
12133 (cgraph_finalize_function): Call it.
12134 (cgraph_finalize_compilation_unit): Likewise.
12135 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12136 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12137 (BT_FN_UINT_UINT): New.
12138 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12139 DEF_FUNCTION_TYPE_VAR_4): Document.
12140 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12141 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12142 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12143 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12144 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12145 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12146 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12147 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12148 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12149 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12150 into separate files.
12151 (DEF_GOMP_BUILTIN): New.
12152 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12153 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12154 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12155 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12156 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12157 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12158 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12159 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12160 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12161 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12162 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12163 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12164 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12165 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12166 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12167 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12168 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12169 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12170 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12171 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12172 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12173 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12174 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12175 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12176 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12177 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12178 * sync-builtins.def: New file, moved from builtins.def.
12179 * omp-builtins.def: New file, moved from builtins.def.
12180 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12181 * gimple-low.c (lower_function_body): Clear data.
12182 (lower_stmt): Do not handle COMPOUND_EXPR.
12183 Remove call to print_node_brief.
12184 * c-tree.h (c_finish_omp_clauses): New prototype.
12185 (C_DECL_THREADPRIVATE_P): Define.
12186 (lookup_name_no_remap, c_omp_remap_private): Remove
12187 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12188 (check_for_loop_decls): Update decl.
12189 (lookup_name_no_remap, c_omp_remap_private): Declare.
12190 (build_indirect_ref, build_modify_expr, pushdecl,
12191 pushdecl_top_level): Move to c-common.h.
12192 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12193 before the switch, but just in the 2 places that need it.
12194 * c-decl.c (diagnose_mismatched_decls): Do not check for
12195 mismatched thread-local attributes when OLDDECL is marked
12196 threadprivate and NEWDECL has no thread-local attributes.
12197 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12198 (c_gimple_diagnostics_recursively): Rename from
12199 c_warn_unused_result_recursively. Invoke
12200 diagnose_omp_structured_block_errors.
12201 (check_for_loop_decls): Return a singular decl found.
12202 * langhooks.c (lhd_omp_predetermined_sharing): Return
12203 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12204 (lhd_omp_firstprivatize_type_sizes): New.
12205 (lhd_omp_assignment): New.
12206 (lhd_omp_predetermined_sharing): New.
12207 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12208 (struct lang_hooks_for_types): Add
12209 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12210 omp_predetermined_sharing, omp_disregard_value_expr,
12211 omp_private_debug_clause, omp_clause_default_ctor,
12212 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12213 (c_finish_omp_clauses): New.
12214 (c_finish_bc_stmt): Diagnose break within omp for.
12215 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12216 (build_unary_op): Return error_mark after reporting
12218 (build_modify_expr): Likewise.
12219 * gimplify.c: Include optabs.h and pointer-set.h.
12220 (enum gimplify_omp_var_data): Declare.
12221 (struct gimplify_omp_ctx): Declare.
12222 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12224 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12225 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12226 (splay_tree_compare_decl_uid): New.
12227 (new_omp_context): New.
12228 (delete_omp_context): New.
12229 (gimple_add_tmp_var): Call omp_add_variable.
12230 (gimplify_bind_expr): Likewise.
12231 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12232 true, disregard DECL_VALUE_EXPR on the decl if any.
12233 (gimplify_expr_in_ctx): New.
12234 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12235 omp_add_variable, omp_notice_variable, omp_is_private
12236 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12237 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12238 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12239 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12240 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12241 gimplify_omp_atomic): New.
12242 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12243 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12244 OMP_CRITICAL and OMP_ATOMIC.
12245 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12246 * c-pragma.h (enum pragma_kind): Add
12247 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12248 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12249 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12250 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12251 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12252 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12253 PRAGMA_OMP_THREADPRIVATE.
12254 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12255 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12256 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12257 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12258 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12259 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12260 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12261 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12262 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12263 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12264 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12265 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12266 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12268 (struct nesting_info): Add field_map,
12269 suppress_expansion, debug_var_chain.
12270 (create_nesting_tree): Initialize them.
12271 (lookup_field_for_decl): Use field_map.
12272 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12273 (convert_local_omp_clauses): New.
12274 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12275 (walk_body): Split out of walk_function.
12276 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12277 (convert_nonlocal_reference): Handle omp statements.
12278 (convert_local_reference): Likewise.
12279 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12280 (unnest_nesting_tree): New.
12281 (lower_nested_functions): Call it.
12282 (insert_field_into_struct): Make extern.
12283 (struct walk_stmt_info): Move to tree-gimple.h.
12284 (walk_stmts): Make extern.
12285 * omp-builtins.def: New file.
12286 * tree-iterator.c (expr_only): Clarify comment.
12287 * c-common.h (pushdecl_top_level, pushdecl,
12288 build_modify_expr, build_indirect_ref,
12289 c_finish_omp_master, c_finish_omp_critical,
12290 c_finish_omp_ordered, c_finish_omp_barrier,
12291 c_finish_omp_atomic, c_finish_omp_flush,
12292 c_finish_omp_for, c_split_parallel_clauses,
12293 omp_clause_default_kind, c_omp_sharing_predetermined,
12294 c_omp_remap_decl): Declare.
12295 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12296 (OBJS-common): Add omp-low.o.
12297 (c-omp.o, omp-low.o): Add.
12298 (gimplify.o): Add dependency on $(OPTABS_H).
12299 (GTFILES): Add omp-low.c.
12300 (gt-stringpool.h): Add.
12301 * tree-cfg.c (set_bb_for_stmt): Do not update the
12302 block-to-labels map if we are currently expanding to RTL.
12303 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12305 Handle IDENTIFIER_NODE.
12306 (tree_verify_flow_info): Do not ICE when emitting error
12307 messages about invalid labels.
12308 (dump_function_to_file): Reset CFUN before emitting the body
12310 (debug_function): New.
12311 * passes.c (init_optimization_passes): Schedule
12313 * langhooks-def.h (lhd_omp_predetermined_sharing,
12314 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12316 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12317 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12318 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12319 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12320 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12321 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12322 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12323 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12324 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12325 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12326 (LANG_HOOK_DECLS): Use them.
12328 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12329 Richard Henderson <rth@redhat.com>
12330 Jakub Jelinek <jakub@redhat.com>
12331 Diego Novillo <dnovillo@redhat.com>
12333 * c-parser.c (pragma_omp_clause): Define.
12334 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12335 (c_parser_compound_statement): Likewise.
12336 (c_parser_statement): Likewise.
12337 (c_parser_pragma): Handle omp pragmas.
12338 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12339 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12340 (c_parser_omp_clause_name, check_no_duplicate_clause,
12341 c_parser_omp_variable_list,
12342 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12343 c_parser_omp_clause_copyprivate,
12344 c_parser_omp_clause_default,
12345 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12346 c_parser_omp_clause_lastprivate,
12347 c_parser_omp_clause_nowait,
12348 c_parser_omp_clause_num_threads,
12349 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12350 c_parser_omp_clause_reduction,
12351 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12352 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12353 c_parser_omp_atomic, c_parser_omp_barrier,
12354 c_parser_omp_critical, c_parser_omp_flush,
12355 c_parser_omp_for_loop, c_parser_omp_for,
12356 c_parser_omp_master, c_parser_omp_ordered,
12357 c_parser_omp_sections_scope, c_parser_omp_sections,
12358 c_parser_omp_parallel, c_parser_omp_single,
12359 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12360 * c-pragma.c (init_pragma): Do omp pragma registration here.
12361 * c.opt (fopenmp): New flag.
12363 2006-01-18 Eric Christopher <echristo@apple.com>
12365 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12366 * config/darwin.h (GOMP_SELF_SPECS): Define.
12368 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12370 * rtl.h: Remove the prototype for reg_alloc.
12372 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12375 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12376 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12377 sjlj and dwarf2 exception handling.
12378 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12379 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12380 * pa/pa.c (function_value): Treat complex and vector types as
12382 (function_arg): Likewise. Only pass scalar floats in the floating
12383 point argument registers.
12384 * pa/t-slibgcc-dwarf-ver: New file.
12385 * pa/t-slibgcc-sjlj-ver: New file.
12386 * pa/t-slibgcc-elf-ver: Delete file.
12388 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12390 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12391 unlikely_test_section_p test.
12393 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12395 * mode-switching.c (optimize_mode_switching): Make it static.
12396 * basic-block.h: Remove the prototype for
12397 optimize_mode_switching.
12399 * modulo-sched.c (sms_schedule): Make it static.
12400 * rtl.h: Remove the prototype for sms_schedule.
12402 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12403 * rtl.h: Remove the prototype for gcse_after_reload_main.
12405 * reg-stack.c (reg_to_stack): Make it static.
12406 * rtl.h: Remove the prototype for reg_to_stack.
12408 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12410 * rtl.h: Remove the prototypes for regrename_optimize and
12411 copyprop_hardreg_forward.
12413 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12415 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12416 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12417 Test against the appropriate null constant for the mode.
12418 If 'fixup_overlap' is true, swap the operands if they overlap.
12419 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12420 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12421 alpha_split_tmode_pair and adjust for above change.
12422 * config/alpha/alpha.md (movtf_internal): Adjust call to
12423 alpha_split_tfmode_pair and rely on it to swap the operands.
12424 (movti_internal): New insn and post-reload splitter.
12425 (movti): New expander.
12427 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12429 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12432 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12434 * rtlanal.c (global_reg_mentioned_p_1,
12435 global_reg_mentioned_p): Remove.
12436 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12438 * flow.c (initialize_uninitialized_subregs): Make it static.
12439 * rtl.h: Remove the prototype for
12440 initialize_uninitialized_subregs.
12442 * function.c (instantiate_virtual_regs): Make it static.
12443 * function.h: Remove the prototype for
12444 instantiate_virtual_regs.
12446 * regmove.c (regmove_optimize, combine_stack_adjustments):
12448 * rtl.h: Remove the prototypes for regmove_optimize and
12449 combine_stack_adjustments.
12451 2006-01-17 Roger Sayle <roger@eyesopen.com>
12453 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12454 (size_cost): Encode costs in bytes so that a reg-reg addition is
12455 equivalent to COSTS_N_INSNS(1).
12456 (override_options): Use the size_cost.branch_cost as the default
12457 ix86_branch_cost when optimizing for size.
12459 2006-01-18 Ben Elliston <bje@au.ibm.com>
12461 * Makefile.in (D32PBIT_FUNCS): New.
12462 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12463 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12464 D64PBIT_FUNCS and D128PBIT_FUNCS.
12465 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12466 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12468 (decnumber_dep): Define.
12469 * doc/libgcc.texi (Decimal float library routines): New node.
12470 * config/dfp-bit.h, config/dfp-bit.c: New files.
12472 2006-01-18 Ben Elliston <bje@au.ibm.com>
12474 * expr.c (emit_move_change_mode): Always adjust addresses, not
12475 just during reload. Copy replacements only during reload.
12476 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12477 emit_move_via_integer.
12479 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12481 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12482 instead of $(srcdir) and ${srcdir}.
12484 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12487 PR middle-end/11135
12488 * arm.h (struct machine_function): Add pic_reg.
12489 * arm.c (arm_pic_register): Make unsigned.
12490 (arm_override_options): Only set arm_pic_register if
12491 TARGET_SINGLE_PIC_BASE.
12492 (use_return_insn): Only test for a pic register if it is fixed.
12493 (arm_compute_save_reg0_reg12_mask): Likewise.
12494 (thumb_compute_save_reg_mask): Likewise.
12495 (legitimate_pic_operand): Factor out some known invariants.
12496 (legitimize_pic_address): If we don't have a fixed pic register,
12497 then set up a pseudo in the function entry sequence. Handle the
12498 pic base being in a pseudo.
12499 (arm_load_pic_register): Handle the pic register being in a pseudo.
12500 (arm_expand_prologue): Only set up the pic register if it is fixed.
12501 (thumb_expand_prologue): Likewise.
12502 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12503 (pic_load_addr_based_insn): Likewise.
12504 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12507 2006-01-18 Ben Elliston <bje@au.ibm.com>
12509 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12510 decimal float modes for all floating point registers.
12512 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12513 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12515 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12518 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12519 even when the pointer is not NULL.
12521 2006-01-16 Ian Lance Taylor <ian@airs.com>
12523 * common.opt (ftoplevel-reorder): New option.
12524 * cgraph.c (cgraph_asm_nodes): New global variable.
12525 (cgraph_asm_last_node): New static variable.
12526 (cgraph_order): New global variable.
12527 (cgraph_create_node): Set new order field.
12528 (cgraph_varpool_node): Likewise.
12529 (decide_is_variable_needed): Return true if not
12530 flag_toplevel_reorder.
12531 (cgraph_add_asm_node): New function.
12532 * cgraph.h (struct cgraph_node): Add order field.
12533 (struct cgraph_varpool_node): Add order field.
12534 (struct cgraph_asm_node): Define.
12535 (cgraph_asm_nodes, cgraph_order): Declare.
12536 (cgraph_add_asm_node): Declare.
12537 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12539 (cgraph_varpool_assemble_pending_decls): Call it.
12540 (cgraph_output_pending_asms): New static function.
12541 (cgraph_finalize_compilation_unit): Call it.
12542 (struct cgraph_order_sort): Define.
12543 (cgraph_output_in_order): New static function.
12544 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12545 !flag_toplevel_reorder case.
12546 * c-parser.c: Include "cgraph.h".
12547 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12549 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12550 than -fno-unit-at-a-time.
12551 * doc/invoke.texi (Option Summary): Mention
12552 -fno-toplevel-reorder.
12553 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12554 -funit-at-a-time documentation.
12556 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12557 Kazu Hirata <kazu@codesourcery.com>
12559 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12561 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12563 * Makefile.in (FUNCTION_H): New. Use it instead of
12564 function.h throughout the file.
12565 * function.h: Include tree.h.
12567 2006-01-17 Ben Elliston <bje@au.ibm.com>
12569 * recog.c: Separate some functions with whitespace.
12571 2006-01-16 Richard Henderson <rth@redhat.com>
12573 Merge from gomp branch:
12574 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12575 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12576 and rename from struct inline_data. Rename callee* to dst*;
12577 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12578 transform_new_cfg, transform_return_to_modify, and
12579 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12581 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12582 (copy_decl_for_dup): Remove.
12583 * tree-inline.c (struct inline_data): Move to header.
12584 (insert_decl_map): Export.
12585 (remap_decl): Update for member name changes. Use copy_decl hook.
12586 Allow for replacement to be a non-decl. Remove dead code.
12587 (remap_type_1): Check for existing mapping.
12588 (remap_type): Export.
12589 (remap_decls): Update for member name changes.
12590 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12591 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12592 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12593 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12594 (tree_function_versioning, build_duplicate_type): Likewise.
12595 (copy_body_r): Likewise. Export.
12596 (copy_decl_for_dup): Split into ...
12597 (copy_decl_for_dup_finish, copy_decl_to_var,
12598 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12599 (replace_ref_tree, inlining_p): Remove.
12601 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12603 * ifcvt.c (if_convert): Make it static.
12604 * rtl.h: Remove the prototype for if_convert.
12606 * local-alloc.c (local_alloc): Make it static.
12607 * rtl.h: Remove the prototype for local_alloc.
12609 * loop.c (loop_optimize): Make it static.
12610 * cfgloop.h: Remove the prototype for loop_optimize.
12613 2006-01-16 DJ Delorie <dj@redhat.com>
12615 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12618 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12620 * pa.md: Disparage copies between general and floating-point registers
12621 in 32-bit move patterns.
12623 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12626 * Makefile.in (check-%): Depend on site.exp instead of
12627 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12630 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12632 * global.c (global_alloc): Make it static.
12633 * rtl.h: Remove the prototype for global_alloc.
12635 2006-01-16 Richard Guenther <rguenther@suse.de>
12637 * tree-ssa-alias.c (struct used_part): Add write_only field.
12638 (get_or_create_used_part_for): Initialize it to true.
12639 (create_overlap_variables_for): Don't create structure variables
12640 for structures that only are written to.
12641 (find_used_portions): Handle MODIFY_EXPR to track whether a
12642 structure is only written to.
12644 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12646 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12648 * basic-block.h: Remove the prototype for
12649 partition_hot_cold_basic_blocks.
12651 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12653 * cppspec.c (lang_specific_spec_functions): Remove.
12654 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12655 * gcc.h (lang_specific_spec_functions): Remove.
12656 * gccspec.c (lang_specific_spec_functions): Remove.
12658 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12660 * combine.c (record_value_for_reg): Invalidate registers
12662 (record_dead_and_set_regs_1): Likewise, by passing them to
12663 record_value_for_reg.
12664 (record_dead_and_set_regs): Invalidate stores made by a
12665 call. We do not combine across a call, but we still
12666 relied on equivalences.
12668 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12670 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12671 vrp_int_const_binop returning non-constant nodes.
12673 2006-01-16 Paul Brook <paul@codesourcery.com>
12675 * config/m68k/m68k.c (output_move_const_into_data_reg):
12676 Output correct mnemonic for mvz and mvs.
12678 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12680 * rtl-factoring.c: Add sequence abstraction algorithm.
12681 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12682 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12684 (block_has_preserve_label): New function.
12685 * common.opt: Register new pass.
12686 * Makefile.in: Ditto.
12688 * timevar.def: Ditto.
12689 * tree-pass.h: Ditto.
12690 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12691 * rtl.h (make_jump_insn_raw): Add forward decl.
12692 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12694 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12695 Roger Sayle <roger@eyesopen.com>
12697 * fold-const.c (fold_minmax): New static function.
12698 (fold_binary) <MIN_EXPR>: Call it.
12699 <MAX_EXPR>: Likewise.
12700 * stor-layout.c (place_field): Use DECL_SIZE consistently
12701 in the computation of the new record size.
12703 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12705 * cse.c (cse_condition_code_reg): Make it static.
12706 * rtl.h: Remove the prototype for cse_condition_code_reg.
12708 * combine.c (combine_instructions): Make it static.
12709 * rtl.h: Remove the prototype for combine_instructions.
12711 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12714 * tree.c (get_file_function_name_long): Concatenate the first global
12715 object name with a string derived from the input filename of the object
12718 2006-01-16 Ben Elliston <bje@au.ibm.com>
12720 * config/i386/winnt-stubs.c: Update FSF address.
12721 * config/xtensa/ieee754-df.S: Ditto.
12722 * config/xtensa/ieee754-sf.S: Ditto.
12724 2006-01-14 Ian Lance Taylor <ian@airs.com>
12726 * ifcvt.c (noce_init_if_info): New static function, broken out of
12727 noce_process_if_block.
12728 (noce_process_if_block): Call noce_init_if_info.
12729 (check_cond_move_block): New static function.
12730 (cond_move_process_if_block): New static function.
12731 (process_if_block): Call cond_move_process_if_block.
12733 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12735 * cselib.c (hash_table): Rename to cselib_hash_table.
12736 (cselib_clear_table, discard_useless_values,
12737 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12738 cselib_init, cselib_finish): Adjust uses of hash_table.
12740 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12742 PR tree-optimization/25485
12743 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12744 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12745 is known to be false and true, respectively.
12747 2006-01-14 Richard Guenther <rguenther@suse.de>
12749 PR tree-optimization/22548
12750 PR tree-optimization/22555
12751 PR tree-optimization/22501
12752 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12753 * params.def (salias-max-array-elements): New parameter.
12754 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12755 * doc/invoke.texi (salias-max-array-elements): Document.
12756 * tree-flow-inline.h (var_can_have_subvars): We also handle
12758 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12760 * tree-ssa-structalias.c (params.h): Include.
12761 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12762 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12763 (get_constraint_for): For ADDR_EXPR operating on something
12764 containing an ARRAY_REF, add all subvars to the solution.
12765 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12766 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12767 for creating MUST_DEFs.
12768 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12770 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12772 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12774 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12775 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12776 number_of_iterations_le): New functions.
12777 (number_of_iterations_special): Removed.
12778 (number_of_iterations_exit): Do not use number_of_iterations_special.
12779 * tree.c (unsigned_type_for): Always return integer type.
12781 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12782 Richard Guenther <rguenther@suse.de>
12784 PR rtl-optimization/24257
12785 * gcse.c (find_moveable_store): Only consider a store movable
12786 when the SET_SRC of the insn can be assigned to a register.
12788 2006-01-14 Ian Lance Taylor <ian@airs.com>
12790 * tree.c (tree_not_class_check_failed): New function.
12791 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12792 (tree_not_class_check_failed): Declare.
12794 2006-01-13 Ian Lance Taylor <ian@airs.com>
12796 * reload1.c (do_output_reload): Add assertion rejecting a
12799 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12801 * combine.c (struct reg_stat): Add new fields truncation_label and
12803 (record_value_for_reg): Reset truncated_to_mode.
12804 (record_truncated_value): New function.
12805 (check_promoted_subreg): Call it. Rename to check_conversions.
12806 (combine_instructions): Rename check_promoted_subreg to
12808 (reg_truncated_to_mode): New function.
12809 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12810 (gen_lowpart_or_truncate): New function.
12811 (force_to_mode): Use it instead of gen_lowpart.
12813 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12815 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12816 VAR is a tag, not its type tag.
12818 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12820 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12821 alternatives to match style of other entries.
12822 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12824 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12826 PR tree-optimization/25771
12827 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12830 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12833 * tree-inline.c (declare_return_variable): If the return variable
12834 was marked as a non gimple complex, set the return slot variable
12835 to be a non gimple comple variable.
12837 2006-01-13 Richard Guenther <rguenther@suse.de>
12839 * builtins.c (expand_builtin_sincos): New function.
12840 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12842 (expand_builtin): Expand sincos using expand_builtin_sincos.
12844 2006-01-12 DJ Delorie <dj@redhat.com>
12846 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12847 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12848 so that constant shifts can be split.
12849 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12850 (m32c_valid_pointer_mode): Make static.
12851 (shift_gen_func_for): New.
12852 (m32c_prepare_shift): Use it. Split large const shifts into
12854 * config/m32c/predicates.md (shiftcount_operand): Allow more
12856 (longshiftcount_operand): New.
12857 * doc/md.texi (Machine Constraints): Document In6.
12859 2006-01-13 Ben Elliston <bje@au.ibm.com>
12861 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12862 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12865 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12867 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12868 to try to avoid clobbering pieces of structures when we know
12869 something about the whole structure.
12870 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12872 2006-01-13 Ben Elliston <bje@au.ibm.com>
12874 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12875 return in memory, as this is no limitation is no longer present.
12877 2006-01-12 DJ Delorie <dj@redhat.com>
12879 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12880 mova with fb, and for fb+0 -> An.
12882 * config/m32c/mov.md (peephole2): Fix enabling logic.
12884 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12885 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12886 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12887 FINI_ARRAY_SECTION_ASM_OP): Define.
12889 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12891 (m32c_legitimize_reload_address): New logic to reload FB to An.
12892 (m32c_output_reg_push): Add newline.
12893 (m32c_output_reg_pop): Likewise.
12895 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12897 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12899 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12901 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12903 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12905 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12908 2006-01-11 Ben Elliston <bje@au.ibm.com>
12910 * rtlanal.c (find_reg_note): Assert insn is not null.
12912 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12914 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12917 2006-01-11 Jeff Law <law@redhat.com>
12919 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12921 (mark_threaded_blocks, register_jump_thread): New functions.
12922 (thread_through_all_blocks): Remove unwanted argument. No
12923 longer rely on e->aux to communicate thread target info.
12924 Call mark_threaded_blocks. Release the threaded_blocks
12925 bitmap and threaded_edges vector when complete.
12926 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12927 (threaded_blocks): Remove.
12928 (tree_ssa_dominator_optimize): Remove initialization and
12929 finalization of threaded_blocks. Simplify call to
12930 thread_through_all_blocks.
12931 (thread_across_edge): Call register_jump_thread rather than
12932 storing thread information into e->aux.
12933 (free_all_edge_infos): Simplify now that e->aux is no longer
12934 used to communicate with thread_through_all_blocks.
12935 * tree-flow.h (thread_through_all_blocks): Update prototype.
12936 (register_jump_thread): Prototype.
12938 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12940 * df-core.c (df_compact_blocks, df_bb_replace): Use
12941 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12943 2006-01-11 Richard Guenther <rguenther@suse.de>
12945 PR tree-optimization/25734
12946 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12947 stop propagation after successful propagation to the LHS.
12949 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12951 * basic-block.h (control_flow_graph): Change the type of
12952 x_basic_block_info to VEC(basic_block,gc) *.
12953 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12955 (SET_BASIC_BLOCK): New.
12956 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12957 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12958 * cfgbuild.c (find_basic_blocks): Likewise.
12959 * cfglayout.c (fixup_reorder_chain): Likewise.
12960 * cfgrtl.c (create_basic_block_structure,
12961 rtl_create_basic_block): Likewise.
12962 * ifcvt.c (find_if_case_1): Likewise.
12963 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12966 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12968 * Makefile.in: Removed rotted odf.c entry.
12970 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12973 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12974 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12975 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12976 output pattern modifier, not %e.
12977 * config/cris/cris.c (cris_op_str): Update comment about pattern
12979 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12980 before falling through into...
12981 <case 'E'>: Redefined from old 'e' case.
12983 2006-01-11 Jan Hubicka <jh@suse.cz>
12986 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12988 2006-01-11 Jan Hubicka <jh@suse.cz>
12990 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12991 * i386.c (x86_decompose_lea): Kill.
12992 (ix86_rtx_costs): Kill.
12994 2006-01-11 Jan Hubicka <jh@suse.cz>
12996 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12997 * cgraph.h (cgraph_node): Add inline_decl.
12998 (cgraph_insert_node_to_hashtable): Declare.
12999 (save_inline_function_body): Declare.
13000 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13002 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13003 (cgraph_function_versioning): Update call of tree_function_versioning.
13004 (save_inline_function_body): New function.
13005 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13006 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13007 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13008 (cgraph_default_inline_p): Likewise.
13009 (cgraph_decide_inlining_incrementally): Likewise.
13010 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13011 (copy_bb): Kill saving; do updating of clones.
13012 (copy_cfg_body): Kill saving.
13013 (initialize_inlined-parameters): Likewise.
13014 (expand_call_inline): Likewise.
13016 (tree_function_versioning): New parameter "update_clones".
13017 (inlining_p): Kill saving.
13018 * tree-inline.h (tree_function_versioning): Update prototype.
13019 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13022 2006-01-11 Ian Lance Taylor <ian@airs.com>
13024 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13025 Allow undoing set of machine mode.
13026 (do_SUBST): Use enums instead of is_int.
13027 (do_SUBST_MODE): New function.
13028 (SUBST_MODE): New macro.
13029 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13030 reg and trying to replace reg_regno_rtx with a new register.
13031 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13032 (simplify_set): Use SUBST_MODE.
13033 (distribute_notes): Remove code that tried to update reg notes
13034 for regno_reg_rtx changes.
13036 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13038 PR tree-optimization/23109
13039 PR tree-optimization/23948
13040 PR tree-optimization/24123
13042 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13043 * tree-cfg.c (single_noncomplex_succ): New.
13044 * tree-flow.h (single_noncomplex_succ): Declare it.
13045 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13046 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13047 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13048 insert_bb, register_division_in, insert_reciprocals,
13049 replace_reciprocal, free_bb): New.
13050 (execute_cse_reciprocals_1): Rewritten.
13051 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13052 Do not commit any edge insertion. Always compute dominators and
13053 create the allocation pool.
13054 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13055 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13056 * targhooks.c (default_min_divistions_for_recip_mul): New.
13057 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13058 * passes.c (init_optimization_passes): Run recip after tree loop
13060 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13062 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13063 Kenneth Zadeck <zadeck@naturalbridge.com>
13065 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13066 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13067 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13068 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13069 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13070 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13071 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13072 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13073 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13074 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13075 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13076 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13077 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13078 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13079 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13080 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13081 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13082 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13083 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13084 DF_SCAN_POST_ALLOC): New macros.
13085 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13086 df_free_bb_function, df_local_compute_function, df_init_function,
13087 df_dataflow_function, df_confluence_function_0,
13088 df_confluence_function_n, df_transfer_function,
13089 df_finalizer_function, df_free_function, df_dump_problem_function,
13090 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13091 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13092 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13093 df_urec_bb_info, ) New types.
13094 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13096 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13097 df_analyze_simple_change_some_blocks,
13098 df_analyze_simple_change_one_block, df_compact_blocks,
13099 df_bb_replace, df_bb_regno_last_use_find,
13100 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13101 df_insn_regno_def_p, df_find_def, df_find_use,
13102 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13103 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13104 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13105 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13106 debug_df_chain, df_get_dependent_problem, df_chain_create,
13107 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13108 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13109 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13110 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13111 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13112 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13113 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13114 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13115 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13116 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13117 df_reorganize_refs, df_set_state, df_hard_reg_init,
13118 df_read_modify_subreg_p) New public functions.
13119 * df-core.c: The core dataflow solver and glue routines for rtl
13121 (df_init, df_add_problem, df_set_blocks, df_finish,
13122 df_hybrid_search_forward, df_hybrid_search_backward,
13123 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13124 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13125 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13126 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13127 df_reg_defined, df_find_use, df_reg_used, df_dump,
13128 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13129 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13130 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13131 debug_df_useno, reset_df_after_reload): New functions.
13132 * df-scan.c: The scanning fuctions, once in df.c, completely
13133 rewritten so that they now fully model the functionality of
13134 register usage at the backend.
13135 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13136 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13137 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13138 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13139 df_get_artificial_defs, df_get_artificial_uses,
13140 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13141 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13142 df_refs_delete, df_reorganize_refs, df_set_state,
13143 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13144 df_def_record_1, df_defs_record, df_uses_record,
13145 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13146 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13147 df_record_exit_block_uses, df_hard_reg_init): New functions.
13149 * df-problems.c: Seven concrete dataflow problems that use the
13150 scanning in df-scan.c and are solved by the engine in df-core.c.
13151 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13152 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13153 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13154 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13155 df_ru_free_bb_info, df_ru_alloc,
13156 df_ru_bb_local_compute_process_def,
13157 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13158 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13159 df_ru_transfer_function, df_ru_free, df_ru_dump,
13160 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13161 df_rd_free_bb_info, df_rd_alloc,
13162 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13163 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13164 df_rd_transfer_function, df_rd_free, df_rd_dump,
13165 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13166 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13167 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13168 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13169 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13170 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13171 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13172 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13173 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13174 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13175 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13176 df_urec_mark_reg_use_for_earlyclobber,
13177 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13178 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13179 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13180 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13181 df_chain_create_bb_process_use, df_chain_create_bb,
13182 df_chain_finalize, df_chain_free, df_chains_dump,
13183 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13184 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13185 df_reg_lifetime): New functions.
13186 * df.c: Deleted file.
13187 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13188 consistent with new df api.
13189 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13190 rest_of_handle_sms): Ditto.
13191 * web.c (unionfind_union, union_defs, entry_register, web_main):
13193 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13194 invariant_expr_equal_p, find_defs, check_dependencies,
13195 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13196 free_inv_motion_data, move_loop_invariants): Ditto.
13197 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13198 Update dependencies.
13199 (odf.c): Added defective entry that was deleted later in day.
13200 * sched-deps.c (sched_analyze_1): Ditto.
13202 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13204 * tree-ssa-operands.c (get_expr_operands): Record addressable
13205 variables directly. Do not call add_stmt_operands for CONST_DECLs
13207 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13208 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13210 2006-01-11 Ben Elliston <bje@au.ibm.com>
13212 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13213 function returns true in the positive case.
13215 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13218 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13219 for SI, DI, SF and DF modes. Add alternatives to copy between
13220 general and floating point registers to the 32-bit patterns.
13221 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13222 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13223 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13224 generating 64-bit code.
13225 * config/pa/pa.c (output_move_double): Handle copies between general
13226 and floating registers.
13228 2006-01-10 Stuart Hastings <stuart@apple.com>
13230 * config/i386/i386.md (set_got): Update.
13231 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13232 (builtin_setjmp_receiver): Mach-O support.
13233 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13234 (GOT_SYMBOL_NAME): Define.
13235 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13236 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13237 * config/i386/i386.c (override_options): Revise for Darwin.
13238 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13239 support. (darwin_x86_file_end): New. (output_set_got): Add label
13240 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13241 * config/i386/i386-protos.h (output_set_got): Likewise.
13242 * config/darwin.c (machopic_legitimize_pic_address): Update
13245 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13247 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13248 when MODE isn't BLKmode.
13250 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13252 PR rtl-optimization/25367
13253 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13255 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13258 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13259 for a negative bound.
13261 2006-01-10 Richard Guenther <rguenther@suse.de>
13263 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13264 Never override with anything constraint.
13266 2006-01-10 Jan Beulich <jbeulich@novell.com>
13268 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13269 256 bits when optimize_size.
13271 2006-01-10 Jan Beulich <jbeulich@novell.com>
13273 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13275 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13276 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13279 2006-01-10 Ben Elliston <bje@au.ibm.com>
13281 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13283 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13284 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13285 (USE_FP_FOR_ARG): Reject decimal float modes.
13286 (function_arg_advance): Likewise.
13287 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13288 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13289 point types in AltiVec vectors.
13290 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13291 (rs6000_libcall_value): Likewise.
13293 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13295 * config/xtensa/ieee754-df.S: New file.
13296 * config/xtensa/ieee754-sf.S: New file.
13297 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13298 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13299 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13301 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13303 * config/sh/predicates.md (binary_float_operator,
13304 binary_logical_operator, commutative_float_operator,
13305 equality_comparison_operator, greater_comparison_operator,
13306 less_comparison_operator, logical_operator,
13307 noncommutative_float_operator, shift_operator,
13308 symbol_ref_operand, unary_float_operator): Remove redundant
13311 2006-01-09 Jeff Law <law@redhat.com>
13313 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13314 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13315 now unused arguments. Callers updated.
13316 (eliminate_redundant_computations): Remove now unused arguments,
13318 (local_fold): Remove, no longer used.
13319 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13321 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13322 (simplify_cond): New function.
13323 (forward_propagate_into_cond): Call simplify_cond.
13325 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13327 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13328 (*vec_extractv2di_1_sse): New.
13330 2006-01-09 Ben Elliston <bje@au.ibm.com>
13332 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13334 2006-01-08 Richard Guenther <rguenther@suse.de>
13336 * tree-ssa-structalias.c (get_constraint_for): Remove
13337 anyoffset argument.
13338 (get_constraint_for_component_ref): Likewise.
13339 (do_deref): Likewise.
13340 (get_constraint_for): Likewise.
13341 (do_structure_copy): Likewise.
13342 (handle_ptr_arith): Likewise.
13343 (find_func_aliases): Likewise. Remove unused need_anyoffset
13346 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13347 Kaz Kojima <kkojima@gcc.gnu.org>
13349 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13350 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13351 (EXTRA_CONSTRAINT_C16): Remove.
13352 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13353 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13354 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13355 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13356 constants of SHmedia. Handle nested constant expressions of
13358 (andcosts): Fix the costs for SHmedia constants.
13359 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13360 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13361 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13362 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13363 (movv4hi_i, movv2si_i): Likewise.
13364 (movsi_const): Adjust the second operand of ior so to match with
13365 the Csu constraint.
13366 (movdi_const, movdi_const_32bit): Likewise.
13367 (movdi_const_16bit+1): Don't sign-extend LOW.
13368 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13370 (*double_shori): Fix the split condition. Use GEN_INT instead
13371 of get_int_mode calls. Mask lower 16-bit of the argument of
13373 (sym2GOTPLT): Remove.
13374 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13376 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13377 instead of EXTRA_CONSTRAINT_C16.
13379 2006-01-07 Ian Lance Taylor <ian@airs.com>
13380 David Edelsohn <edelsohn@gnu.org>
13382 PR rtl-optimization/25662
13383 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13384 for constant operands instead of simplify_gen_binary.
13385 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13386 after trying simplify_binary_operation
13388 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13390 * tree.c (iterative_hash_expr): Hash decls based on UID.
13392 2006-01-06 Eric Christopher <echristo@apple.com>
13394 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13395 (TARGET_UNWIND_EMIT): Fix spelling.
13396 * target.h (gcc_target): Add except_table_label.
13397 * except.c (output_function_exception_table): Use.
13398 * varasm.c (default_emit_except_table_label): New.
13399 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13401 (asm_out): Add here.
13402 * output.h (default_emit_except_table_label): Prototype.
13403 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13404 * config/darwin.c (darwin_emit_except_table_label): Define.
13405 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13407 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13409 PR tree-optimization/18527
13410 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13411 number_of_iterations_special, number_of_iterations_exit):
13412 Move base and step of an iv to a single structure. Add
13413 no_overflow flag, and use it in # of iterations analysis.
13414 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13415 folded_casts argument.
13416 (simple_iv): Pass base and step in a structure. Set no_overflow
13418 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13419 Evaluate expensiveness of computing # of iterations instead of
13420 the final expression.
13421 * tree-scalar-evolution.h (affine_iv): New structure.
13422 (simple_iv): Declaration changed.
13423 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13424 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13425 find_givs_in_stmt): Changed due to simple_iv change.
13427 2006-01-06 Jeff Law <law@redhat.com>
13430 * tree-cfg.c (bsi_replace): Rename final argument from
13431 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13432 change (stmt -> orig_stmt).
13433 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13434 (bsi_remove): Add new argument. Remove EH information
13436 (verify_eh_throw_table_statements): New function.
13437 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13439 * tree-optimize.c (execute_free_cfg_annotations): Verify
13440 the EH throw statement table after removing annotations.
13441 * except.h (verify_eh_throw_table_statements): Prototype.
13442 * tree-flow.h (bsi_remove): Update prototype.
13443 * tree-vrp.c (remove_range_assertions): Add new argument to
13445 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13446 * tree-complex.c (expand_complex_div_wide): Likewise.
13447 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13448 * tree-tailcall.c (eliminate_tailcall): Likewise.
13449 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13450 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13451 * tree-nrv.c (tree_nrv): Likewise.
13452 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13453 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13454 (combine_blocks): Likewise.
13455 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13456 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13457 (cleanup_control_flow): Likewise.
13458 (remove_forwarder_block): Likewise.
13459 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13460 * tree-sra.c (sra_replace): Likewise.
13461 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13462 (forward_propagate_single_use_vars): Likewise.
13463 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13464 * tree-inline.c (expand_call_inline): Likewise.
13465 * tree-vect-transform.c (vect_transform_loop): Likewise.
13466 * tree-outof-ssa.c (rewrite_trees): Likewise.
13467 * tree-cfg.c (make_goto_expr_edges): Likewise.
13468 (cleanup_dead_labels): Likewise.
13469 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13470 (bsi_move_before, bsi_move_after): Likewise.
13471 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13472 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13474 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13477 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13479 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13480 on non gimple variables. Also add checks at the top for decls and
13482 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13484 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13485 and IMAGPART_EXPR for creating MUST_DEFs.
13486 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13487 and NAME_MEMORY_TAG separately from the DECLs.
13489 2006-01-06 Richard Guenther <rguenther@suse.de>
13491 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13492 annotation, if necessary.
13493 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13494 redundant calls to update_stmt.
13495 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13498 2006-01-05 Richard Henderson <rth@redhat.com>
13500 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13502 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13504 * c-typeck.c: Update copyright date.
13506 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13508 * c-typeck.c (build_c_cast): Always warn when casting
13509 from a pointer to an integer of different size, even if
13510 the node was constant.
13512 2006-01-05 Richard Guenther <rguenther@suse.de>
13514 PR tree-optimization/22555
13515 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13516 if one structure field is an array.
13517 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13518 operands even if we found a subvar, but ignore VOPs in this
13520 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13522 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13524 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13526 PR middle-end/24998
13527 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13529 2006-01-05 Richard Guenther <rguenther@suse.de>
13530 Diego Novillo <dnovillo@redhat.com>
13532 * tree-pass.h (TODO_remove_unused_locals): Define.
13533 * gimple-low.c (expand_var_p, remove_useless_vars,
13534 pass_remove_useless_vars): Remove. Update all users.
13535 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13536 (remove_unused_locals): New function.
13537 * tree-flow.h (remove_unused_locals): Declare.
13538 * passes.c (execute_todo): Call remove_unused_locals if
13539 TODO_remove_unused_locals is set.
13540 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13541 * tree-ssa-dce.c (pass_dce): Likewise.
13542 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13544 2006-01-05 Richard Guenther <rguenther@suse.de>
13546 * tree-flow.h (struct fieldoff): Decompose field to
13547 type, size and decl.
13548 * tree-ssa-alias.c (create_sft): Take type as parameter.
13549 (create_overlap_variables_for): Store type, size and decl
13550 in the fieldoff structure.
13551 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13552 of struct fieldoff.
13553 (push_fields_onto_fieldstack): Likewise.
13554 (create_variable_info_for): Likewise. Use offset for the
13555 SFT name if the decl is not available.
13557 2006-01-04 Paul Brook <paul@codesourcery.com>
13559 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13561 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13563 * lambda-code.c (can_put_in_inner_loop): Relax
13565 (can_put_after_inner_loop): New function.
13566 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13567 (perfect_nestify): Change to make copies and modify uses.
13569 2006-01-04 Richard Henderson <rth@redhat.com>
13571 Merge from gomp branch:
13572 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13573 via integer constant.
13574 (pragma_lex): Remove.
13575 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13576 rather than parsing it.
13577 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13578 handle_pragma_extern_prefix): Add %< %> quotes.
13579 (registered_pragmas): New.
13580 (c_register_pragma_1): New.
13581 (c_register_pragma): Use it.
13582 (c_register_pragma_with_expansion): Likewise.
13583 (c_invoke_pragma_handler): New.
13584 (init_pragma): Use cpp_register_deferred_pragma directly for
13586 * c-pragma.h (enum pragma_kind): New.
13587 (pragma_handler): New.
13588 (c_invoke_pragma_handler): Declare.
13589 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13591 * c-common.h (c_common_pch_pragma): Update decl.
13592 * Makefile.in (c-parser.o): Update dependencies.
13593 (GTFILES): Add c-pragma.h.
13594 * c-parser.c (struct c_token): Add pragma_kind.
13595 (struct c_parser): Add in_pragma.
13596 (c_lex_one_token): Always initialize keyword and pragma_kind.
13597 Extract data for CPP_PRAGMA.
13598 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13599 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13600 Don't allow CPP_PRAGMA_EOL if in_pragma.
13601 (c_parser_consume_pragma): New.
13602 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13603 (c_parser_skip_to_end_of_parameter): Likewise.
13604 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13605 (c_parser_skip_to_pragma_eol): New.
13606 (c_parser_external_declaration): Handle CPP_PRAGMA.
13607 (c_parser_compound_statement_nostart): Likewise.
13608 (c_parser_statement_after_labels): Likewise.
13609 (c_parser_pragma): New.
13610 (pragma_lex): Likewise.
13611 (c_parser_pragma_pch_preprocess): New.
13612 (c_parser_new): Merge into ...
13613 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13615 2006-01-04 Jeff Law <law@redhat.com>
13618 * tree-cfg.c (bsi_replace): Remove the original statement
13619 from the EH throw statement table.
13621 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13623 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13624 make the prototype extern "C" and add throw ().
13627 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13628 and pos non-negative and pos + len <= 32.
13629 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13630 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13631 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13634 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13635 as well as sizes not multiple of component size.
13638 * function.c (instantiate_expr): New function.
13639 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13640 walk its DECL_VALUE_EXPR with instantiate_expr.
13642 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13643 DW_OP_deref{,_size} if address isn't going to be added.
13645 2006-01-04 Ben Elliston <bje@au.ibm.com>
13647 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13648 * config/fp-bit.c: Likewise.
13650 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13652 * dominance.c: Add comment about why we use DFS numbering
13655 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13656 Richard Henderson <rth@redhat.com>
13658 Merge from gomp-branch:
13659 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13660 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13662 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13664 PR rtl-optimization/25578
13665 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13666 pass a parameter to simplify_shift_const if changing ASHIFTRT
13669 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13671 * builtins.c (get_builtin_sync_mem): New function.
13672 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13673 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13674 Call get_builtin_sync_mem to generate mem rtx.
13676 2006-01-03 Richard Guenther <rguenther@suse.de>
13679 * stmt.c (add_case_node): Make sure to clear overflow flags
13682 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13684 Merge from gomp-branch.
13685 * config/sparc/sync.md: New file.
13686 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13687 UNSPECV_LDSTUB): New constants.
13688 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13689 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13690 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13693 2006-01-03 Roger Sayle <roger@eyesopen.com>
13695 * combine.c (reg_subword_p): New predicate to test whether the
13696 destination of a set refers to a subword/piece of a register.
13697 (try_combine): Generalize the code to merge the setting of a
13698 pseudo to a constant followed by a set of a subword of that
13699 register to a constant.
13701 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13703 * basic-block.h (control_flow_graph): Change the type of
13704 x_label_to_block_map to VEC(basic_block,gc) *.
13705 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13706 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13708 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13709 VEC(basic_block,heap) *.
13710 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13711 ssa_prop_fini): Adjust the uses of cfg_blocks.
13713 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13715 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13717 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13718 hashing trees instead of a pointer hash.
13719 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13720 compare for MEM_EXPR.
13722 PR rtl-optimization/25130
13723 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13724 when comparing MEMs for GCSE
13726 2006-01-03 Ben Elliston <bje@au.ibm.com>
13728 * targhooks.h (default_decimal_float_supported_p): Declare.
13729 * targhooks.c (default_decimal_float_supported_p): Define.
13730 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13731 `default_decimal_float_supported_p'.
13732 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13734 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13736 * combine.c (apply_distributive_law <SUBREG>): Check
13737 TRULY_NOOP_TRUNCATION.
13739 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13741 * dwarf2out.c (have_switched_text_section): Delete.
13742 (have_multiple_function_sections): New.
13743 (have_location_lists): Make 'bool'.
13744 (add_AT_loc_list): Use 'true' not '1'.
13745 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13746 (output_loc_list): Use have_multiple_function_sections.
13747 (output_ranges): Likewise.
13748 (dwarf2out_begin_function): Set have_multiple_function_sections if
13750 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13751 Check function_section rather than DECL_SECTION_NAME.
13752 (dwarf2out_finish): Use have_multiple_function_sections.
13753 Don't clear have_location_lists.
13755 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13756 Jan Hubicka <jh@suse.cz>
13758 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13759 case of conditional jump jumping to the next instruction.
13760 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13761 cases of conditional jump jumping to the next instruction.
13763 2006-01-02 Jan Hubicka <jh@suse.cz>
13765 * i386.c (*_cost): Add COSTS_N_INSNS.
13766 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13768 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13771 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13773 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13775 * config/arm/arm.c (all_fpus): Fix comment typo.
13776 * config/darwin.c: Likewise.
13777 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13778 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13779 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13781 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13783 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13784 (rs6000_split_compare_and_swapqhi): New.
13785 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13786 (sync_compare_and_swapqhi_internal): New.
13787 * config/rs6000/rs6000-protos.h: Declare.