1 2006-08-06 Andreas Schwab <schwab@suse.de>
3 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4 string. Whitespace and comment fixup.
6 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
13 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
16 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
18 2006-08-04 Jan Hubicka <jh@suse.cz>
22 * reload.c (push_reload): Patch out the mismatching instruction;
24 (find_reload): Bail out if the instruction was patched out.
26 2006-08-04 Jan Hubicka <jh@suse.cz>
28 PR tree-optimization/24888
29 * tree-inline.c (expand_call_inline): Do not re-record variables.
30 (declare_inline_vars): Add variable to unexpanded_var_list.
32 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
33 Roger Sayle <roger@eyesopen.com>
35 PR rtl-optimization/26244
36 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
37 inner_const are negative or greater than or equal to the bitsize of
38 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
39 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
40 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
41 CONST0_RTX (mode) when the new shift count is greater than or equal to
42 to the bitsize of the object being shifted and XEXP (y, 0) has no side
45 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
47 * tree-cfg.c: Fix a comment typo.
49 2006-08-03 Mark Mitchell <mark@codesourcery.com>
52 * varasm.c (output_constant): Give the front end another chance to
53 expand constants, after stripping NOPs.
55 2006-08-03 Jan Hubicka <jh@suse.cz>
57 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
60 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
62 PR tree-optimization/27770
63 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
64 declaration removed (moved to tree-flow.h).
65 (vect_can_force_dr_alignment_p): Likewise.
66 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
67 (moved from tree-vectorizer.h).
68 (vect_can_force_dr_alignment_p): Likewise.
69 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
70 from outside the vectorizer - in particular from cgraph stage.
71 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
72 the alignment of global arrays when -fsection-anchors is enabled.
73 * cgraphunit.c (cgraph_increase_alignment): New function.
74 (cgraph_optimize): Call cgraph_increase_alignment.
76 2006-08-03 David Edelsohn <edelsohn@gnu.org>
79 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
80 not reload a SPE symbol_ref into a lo_sum address.
82 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
85 * dwarf2out.c (prune_unused_types_prune): Move call to
86 prune_unused_types_update_strings to cover the parent DIE also.
88 2006-08-02 Jan Hubicka <jh@suse.cz>
91 * tree-cfg.c (change_bb_for_stmt): New function.
92 (tree_merge_blocks, tree_split_blocks): Use it.
94 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
100 * toplev.c (compile_file): Return early on errorcount or sorrycount.
101 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
102 (cgraph_optimize): Likewise.
104 2006-08-01 Stuart Hastings <stuart@apple.com>
106 * rtl.h (UINTVAL) New.
107 * config/rs6000/rs6000.c (SMALL_INT) Use it.
108 * testsuite/gcc.dg/20060801-1.c: New.
110 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
113 * c-typeck.c (build_external_type): Mark used enum types.
114 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
116 (gen_subprogram_die): Whitespace fix.
118 2006-08-01 Jan Hubicka <jh@suse.cz>
120 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
121 bitmap when not needed.
122 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
125 2006-08-01 Dirk Mueller <dmueller@suse.de>
127 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
129 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
131 * Makefile.in: Revert part of previous patch:
132 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
135 2006-07-30 Eric Christopher <echristo@apple.com>
138 * doc/extend.texi (i386 Variable Attributes): Add anchor.
139 (PowerPC Variable Attributes): New section.
141 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
143 PR target/28126 (partial fix)
144 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
146 2006-07-28 Jan Hubicka <jh@suse.cz>
148 PR rtl-optimization/28071
149 * cfgrtl.c (rtl_delete_block): Free regsets.
150 * flow.c (allocate_bb_life_data): Re-use regsets if available.
152 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
154 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
155 and variables used in dependencies.
157 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
159 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
160 %fs for -mcmodel=kernel.
161 (stack_tls_protect_test_di): Likewise.
163 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
165 * Makefile.in: Use mkinstalldirs.
167 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
170 * opts-common.c (prune_options): Skip joined switches.
172 2006-07-27 Jan Hubicka <jh@suse.cz>
174 PR rtl-optimization/28071
175 * cselib.c (cselib_process_insn): Don't remove useless values too
176 often for very large hashtables.
178 2006-07-27 Jan Hubicka <jh@suse.cz>
180 PR rtl-optimization/28071
181 * global.c (greg_obstack): New obstack.
182 (allocate_bb_info): Use it.
183 (free_bb_info): Likewise.
184 (modify_reg_pav): Likewise.
186 2006-07-27 Roger Sayle <roger@eyesopen.com>
188 * builtins.c (fold_fixed_mathfn): When long and long long are the
189 same size, canonicalize llceil*, llfloor*, llround* and llrint*
190 functions to their lceil*, lfloor*, lround* and lrint* forms.
192 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
195 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
197 (rev_branch_insn): Likewise.
199 2006-07-27 Jan Hubicka <jh@suse.cz>
201 PR rtl-optimization/28071
202 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
203 (reg_set_in_bb, max_reg_computed): New static variables.
204 (regmove_optimize): Free the new array.
205 (fixup_match_1): Update call of reg_is_remote_constant_p.
207 2006-07-26 Jan Hubicka <jh@suse.cz>
209 PR tree-optimization/27882
210 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
212 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
214 (cgraph_analyze_compilation_unit): Likewise.
215 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
216 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
217 (cgraph_early_inlinine): Make order garbage collected.
218 * Makefile.in (gt-ipa-inline): New garbagecollected file.
220 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
222 * dbxout.c (output_types_sort): Add a comment.
223 (output_used_types): Free the VEC.
225 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
227 * function.c (reorder_fix_fragments): Delete.
228 (reorder_blocks): Don't call it.
229 (reorder_blocks_1): Put all subblocks under the origin block.
231 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
233 PR rtl-optimization/27907
234 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
237 2006-07-25 Roger Sayle <roger@eyesopen.com>
240 * convert.c (convert_to_integer): When transforming (T)foo(x) into
241 bar(x) check that bar's result type can represent all the values of T.
243 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
245 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
247 2006-07-25 Nick Clifton <nickc@redhat.com>
249 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
251 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
252 (ggc_pch_count_object): Likewise.
253 (ggc_pch_alloc_object): Likewise.
254 (ggc_pch_write_object): Likewise.
255 (init_ggc): Do not attempt to initialize entries in the
256 size_lookup[] array for objects whose size is greater than than
257 the length of the array.
259 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
261 * dbxout.c (output_used_types_helper): Push queued types
263 (output_types_sort): New.
264 (output_used_types): Collect used types on a VEC and sort them
267 2006-07-24 Richard Guenther <rguenther@suse.de>
270 * cgraph.c (cgraph_remove_node): Do not check if dumps
272 * cgraphunit.c (cgraph_optimize): Likewise.
274 2006-07-24 Jan Hubicka <jh@suse.cz>
276 PR rtl-optimization/28071
277 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
278 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
279 splitting before first stmt.
281 2006-07-24 Jan Hubicka <jh@suse.cz>
283 PR rtl-optimization/28071
284 * ipa-inline.c (update_caller_keys): Remove edges that
285 are no longer inline candidates.
287 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
290 * dbxout.c (output_used_types_helper, output_used_types): New.
291 (dbxout_symbol): Call output_used_types.
293 2006-07-23 Jan Hubicka <jh@suse.cz>
297 * cgraph.c (cgraph_varpool_nodes): Export.
298 (decide_is_variable_needed): Ignored "used" attribute in
300 * cgraph.h (cgraph_varpool_nodes): Declare.
301 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
304 2006-07-23 Roger Sayle <roger@eyesopen.com>
307 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
308 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
309 the __gthrw form of thr_keycreate.
310 (__gthread_key_delete): Silence the unused argument warning.
312 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
315 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
316 Cache the last found '\0' marker to avoid quadratic behavior.
318 2006-07-23 Jan Hubicka <jh@suse.cz>
320 * i386.md (subsi_3_zext): Fix output template.
322 2006-07-21 Mike Stump <mrs@apple.com>
324 * doc/invoke.texi (C++ Dialect Options): Note that
325 -fvisibility-inlines-hidden doesn't affect explicitly
326 instantiationed inline methods.
328 2006-07-20 Roger Sayle <roger@eyesopen.com>
330 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
331 if the target assembler is GNU binutils' gas.
332 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
333 whether to pass GNU gas or native as command line options.
335 2006-07-20 Jason Merrill <jason@redhat.com>
337 * tree.c (remove_attribute): New fn.
338 * tree.h: Declare it.
340 2006-07-20 Paul Brook <paul@codesourcery.com>
343 * cse.c (cse_insn): Add destination addresses to hash table. Check if
344 they are invalidated by this instruction.
346 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
349 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
351 2006-07-20 Eric Christopher <echristo@apple.com>
354 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
356 2006-07-19 Eric Christopher <echristo@apple.com>
358 * config/t-slibgcc-darwin (stmp-lipo): Remove.
359 Rewrite dependencies for libgcc_s.1.dylib.
361 2006-07-19 Jakub Jelinek <jakub@redhat.com>
363 * except.c (duplicate_eh_regions_1): Clear next_peer.
365 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
367 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
368 -mlongcall does not guarantee all calls will be long.
369 * doc/extend.texi (long_call/short_call): Document that longcall
370 does not guarantee a long call will be used.
371 (longcall/shortcall): Likewise.
373 2006-07-18 Roger Sayle <roger@eyesopen.com>
376 * expmed.c (expand_shift): Additionally check that the shift_cost
377 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
378 before implementing a LSHIFT_EXPR as a sequence of additions.
379 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
380 middle-end that DImode shifts need to be synthesized by expand.
382 2006-07-18 Diego Novillo <dnovillo@redhat.com>
385 * tree-ssa-operands.c (access_can_touch_variable): Update
387 Return true if ALIAS is .GLOBAL_VAR.
389 2006-07-18 David Daney <ddaney@avtrex.com>
391 * gcc.c (display_help): Fix typo in help text.
393 2006-07-18 Olivier Hainque <hainque@adacore.com>
395 * tree.h (categorize_ctor_elements): Adjust prototype and add
396 descriptive comment, both in accordance with the interface change
398 * varasm.c (constructor_static_from_elts_p): New function.
399 Whether a constructor node is a valid static constant initializer
400 if all its elements are.
401 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
402 * output.h: Declare it.
403 * expr.c (categorize_ctor_elements_1): Return whether the constructor
404 is a valid constant initializer instead of computing the number of
405 non-constant elements. Use constructor_static_from_elts_p for this
406 purpose. Replace the head comment with an indication that this is a
407 helper for categorize_ctor_elements.
408 (categorize_ctor_elements): Same interface change as for the _1
409 helper. Former head comment from this helper moved here, adjusted to
410 account for the interface changes.
411 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
412 (all_zeros_p): Likewise.
413 * gimplify.c (gimplify_init_constructor): Decide whether we can make
414 static versions of the constructor from the categorize_ctor_elements
415 return value instead of the formerly computed number of non-constant
418 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
420 * configure: Regenerate.
421 * Makefile.in (build_libsubdir): New configure substitution
422 (build_libobjdir): New variable.
423 (BUILD_LIBIBERTY): Use it.
425 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
428 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
430 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
433 * c-common.c (handle_weakref_attribute): Ignore attribute in
434 the same conditions the alias attribute is ignored.
436 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
438 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
439 (dbxout_begin_prologue): Increment scope_labelno.
441 2006-07-17 Richard Henderson <rth@redhat.com>
444 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
447 2006-07-17 Roger Sayle <roger@eyesopen.com>
448 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
450 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
451 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
452 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
453 functions such as sbrk, write, etc.. Add function prototypes.
454 Convert function declarations from K&R to ISO C. Cast pointers
455 to "long" and "unsigned long" instead of "int" and "unsigned int".
456 Convert tokens following #endif into comments.
458 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
460 * invoke.texi: Remove mention of f77; Reformat table for
461 inline parameter options correctly; mention that -malign-double
462 is default on x86-64 targets.
464 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
466 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
467 (convert_affine_scev, chrec_convert_aggressive): Use
468 avoid_arithmetics_in_type_p. Do not check for the subtypes
471 2006-07-17 Richard Sandiford <richard@codesourcery.com>
474 * optabs.c (expand_doubleword_shift): Wrap the call to
475 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
477 2006-07-17 Richard Sandiford <richard@codesourcery.com>
480 * optabs.c (expand_binop): Pass next_methods rather than methods
481 to expand_doubleword_shift.
483 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
486 * tree.h (dump_addr): Declare.
487 * print-tree.c (dump_addr): New function.
488 (print_node_brief, print_node): Use it.
489 * print-rtl.c (print_rtx): Likewise.
490 * common.opt (-fdump-noaddr): New option.
491 * doc/invoke.texi (-fdump-noaddr): Document.
492 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
493 (ve_info_hash): Likewise.
495 2006-07-13 Andrew Haley <aph@redhat.com>
497 PR tree-optimization/19505
498 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
499 edge leaving this block, make sure that the destination of this
500 block has only one predecessor.
502 2006-07-17 Richard Guenther <rguenther@suse.de>
504 PR tree-optimization/28238
505 * tree-inline.c (copy_bb): Check if we produced valid
506 gimple copying and substituting a stmt. If not, gimplify
509 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
511 * optabs.c (maybe_encapsulate_block): New function extracted from...
512 (emit_libcall_block): ...here. Invoke it on the block of insns to
513 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
514 (emit_no_conflict_block): Likewise.
516 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
518 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
520 2006-07-15 Roger Sayle <roger@eyesopen.com>
522 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
523 a new NOP_EXPR case of the switch statement.
525 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
528 * stor-layout.c (place_field): Take the bit field with
529 an excessive size into account in the ms-bitfiled case.
532 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
533 the previous bit field.
535 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
538 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
540 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
542 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
543 signal frames correctly even when the signal was installed with
546 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
548 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
549 (dbxout_function_end): Use local label LFBB. Remove hook
551 (dbxout_source_line): Use local label LFBB.
552 (dbxout_block): Likewise.
553 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
554 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
555 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
558 2006-07-13 Janis Johnson <janis187@us.ibm.com>
560 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
562 2006-07-13 Jan Hubicka <jh@suse.cz>
564 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
566 * output.h (align_variable): Declare.
567 * varasm.c (align_variable): Export.
568 * value-prof.c (tree_value_profile_transformations): Recompute iterator
569 when basic block changed.
571 2006-07-13 Nick Clifton <nickc@redhat.com>
573 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
574 walking the LOG_LINKS chain.
576 2006-07-12 Geoffrey Keating <geoffk@apple.com>
578 * doc/invoke.texi (C++ Dialect Options): Explain difference
579 between -fvisibility-inlines-hidden and setting hidden
580 visibility explicitly.
582 2006-07-12 Eric Christopher <echristo@apple.com>
584 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
585 (stmp-lipo): Depend on libgcc.a.
587 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
589 * tree.c: Fix a comment typo.
591 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
593 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
595 (umulhisi3_r): Likewise.
597 2006-07-12 Paolo Carlini <pcarlini@suse.de>
600 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
601 x < 19, vs wchar_t support.
603 2006-07-12 Nick Clifton <nickc@redhat.com>
605 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
608 2006-07-12 Mike Stump <mrs@apple.com>
610 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
612 2006-07-10 Eric Christopher <echristo@apple.com>
614 * config/t-slibgcc-darwin: Rewrite.
616 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
619 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
622 2006-07-08 Matthias Klose <doko@debian.org>
624 * doc/sourcebuild.texi: Fix typo.
626 2006-07-07 Mike Stump <mrs@apple.com>
628 * toplev.c (process_options): Don't give -ffunction-sections may
629 affect debugging warning for Mach-O.
631 2006-07-07 James E Wilson <wilson@specifix.com>
633 * config/mips/mips.md (cpu): Add sb1a.
634 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
635 addition to sb1. Adjust comments to clarify SB-1A differences from
637 (ir_sb1a_load): New. Modify bypasses to use it.
638 (ir_sb1a_simple_alu): Likewise.
639 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
640 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
641 (mips_issue_rate): Add PROCESSOR_SB1A.
642 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
643 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
644 (TARGET_SB1): Add PROCESSOR_SB1A check.
645 (TUNE_SB1): Likewise.
647 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
648 * config/mips/mips.c (mips_store_data_bypass_p): New.
649 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
652 2006-07-08 Paul Brook <paul@codesourcery.com>
655 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
657 2006-07-07 Richard Guenther <rguenther@suse.de>
660 * tree.h (build_one_cst): Declare.
661 * tree.c (build_one_cst): New function.
662 * tree-ssa-math-opts.c (get_constant_one): Remove.
663 (insert_reciprocals): Use build_one_cst.
664 * fold-const.c (fold_plusminus_mult): Likewise.
666 2006-07-07 Roger Sayle <roger@eyesopen.com>
668 * pointer-set.c (pointer_set_destroy): Correct whitespace.
669 * cfgloopanal.c (dump_graph): Likewise.
670 * dojump.c (discard_pending_stack_adjust): Likewise.
671 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
673 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
674 * function.c (finalize_block_changes): Likewise.
675 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
676 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
677 * rtl.c (dump_rtx_statistics): Likewise.
678 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
680 * varray.c (dump_varray_statistics): Likewise.
681 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
682 decode_decimal64, encode_decimal128, decode_decimal128,
683 decimal_real_to_decimal): Likewise.
685 2006-07-07 Richard Guenther <rguenther@suse.de>
687 PR tree-optimization/28187
688 * tree-vrp.c (vrp_operand_equal_p): New function.
689 (vrp_bitmap_equal_p): Likewise.
690 (update_value_range): Use them to compare old and new
693 2006-07-06 Roger Sayle <roger@eyesopen.com>
695 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
696 a default case to switch statement to silence compiler warnings.
698 2006-07-06 Roger Sayle <roger@eyesopen.com>
701 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
702 the configured assembler supports the x87's ffreep mnemonic.
703 * configure: Regenerate.
704 * config.in: Regenerate.
706 * config/i386/i386.c (output_387_ffreep): New function.
707 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
708 (output_387_reg_move): Likewise.
710 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
712 Port to hosts whose 'sort' and 'tail' implementations
713 treat operands with leading '+' as file names, as POSIX
714 has required since 2001. However, make sure the code still
715 works on pre-POSIX hosts.
716 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
717 which says you should use "tail -c +N" rather than "tail +Nc".
718 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
720 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
722 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
725 2006-07-06 David Edelsohn <edelsohn@gnu.org>
728 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
729 PRE_{INC,DEC} of TFmode.
731 2006-07-06 David Edelsohn <edelsohn@gnu.org>
732 Alan Modra <amodra@bigpond.net.au>
735 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
738 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
741 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
742 Remove duplicate gtu.
744 2006-07-05 Jason Merrill <jason@redhat.com>
748 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
749 * c-common.c (handle_packed_attribute): So don't copy it here.
750 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
752 2006-07-05 Mike Stump <mrs@apple.com>
754 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
756 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
759 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
761 2006-07-05 Richard Guenther <rguenther@suse.de>
764 * config/i386/i386.md (*negdf2_1): Restrict pattern to
765 TARGET_SSE2 targets if using SSE math.
766 (*absdf2_1): Likewise.
768 2006-07-05 Richard Guenther <rguenther@suse.de>
770 PR tree-optimization/28162
771 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
772 make sure to convert the operands to the correct type.
774 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
776 PR tree-optimization/28218
778 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
779 to calculate and free the dominator information.
781 2006-07-04 Peter O'Gorman <peter@pogma.com>
783 * mklibgcc.in: chmod 644 before ranlib during install.
785 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
786 J"orn Rennecke <joern.rennecke@st.com>
788 * configure.ac (.eh_frame data check): Use diff -b.
790 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
793 * Makefile.in (BUILD_RTL): Add build/vec.o.
794 (build/gencondmd.o): Filter out -fkeep-inline-functions.
795 (build/genextract): Delete.
796 (build/genautomata): Likewise.
798 2006-07-04 Alan Modra <amodra@bigpond.net.au>
801 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
802 128-bit IBM long doubles for ABI_V4.
804 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
806 * tree.c (range_in_array_bounds_p): New predicate.
807 * tree.h (range_in_array_bounds_p): Declare it.
808 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
809 return a less conservative answer.
810 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
812 (IS_ELEMENT_FOR_GROUP): New macro.
813 (FOR_EACH_ACTUAL_CHILD): Likewise.
814 (next_child_for_group): New helper function.
815 (can_completely_scalarize_p): Take into account groups.
816 (sra_hash_tree): Handle RANGE_EXPR.
817 (sra_elt_eq): Likewise.
818 (lookup_element): Be prepared for handling groups.
819 (is_valid_const_index): Delete.
820 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
821 instead of is_valid_const_index.
822 <ARRAY_RANGE_REF>: New case.
823 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
824 is_valid_const_index.
825 <ARRAY_RANGE_REF>: Do not unconditionally punt.
826 (scan_dump): Dump info for groups too.
827 (decide_instantiation_1): Likewise.
828 (decide_block_copy): Assert that the element is not a group.
829 Propagate decision to groups.
830 (generate_one_element_ref): Handle RANGE_EXPR.
831 (mark_no_warning): Iterate over actual childs.
832 (generate_copy_inout): Likewise.
833 (generate_element_copy): Likewise.
834 (generate_element_zero): Likewise.
835 (generate_element_init_1): Likewise.
836 (dump_sra_elt_name): Handle RANGE_EXPR.
838 2006-07-03 Roger Sayle <roger@eyesopen.com>
840 PR tree-optimization/26251
841 * tree-ssa-threadupdate.c (redirection_block_p): New function.
842 (thread_block): When optimizing for size refuse to thread jumps
843 that would require duplication of blocks other than redirection
846 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
848 * configure.ac: Fix thinko in previous check-in.
849 * configure: Regenerate.
851 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
854 * configure.ac (for lang...): Simplify nesting of conditionals.
855 Test subdir_requires for non-enabled languages. Move processing
856 of lang_opt_files and lang_tree_fiels below that test.
857 * configure: Regenerate.
858 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
860 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
862 * doc/gcov.texi (Invoking Gcov): Add a missing word.
864 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
866 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
869 2006-06-29 Jason Merrill <jason@redhat.com>
876 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
877 * c-common.c (c_determine_visibility): Handle it here.
878 * c-decl.c (finish_decl): Call c_determine_visibility for
880 * flags.h (enum symbol_visibility): Sort from most to least visibility.
882 * varasm.c (default_assemble_visibility): Likewise.
883 * c-common.c (handle_visibility_attribute): Complain about trying
884 to give visibility to an already defined class, or trying to change
885 declared visibility. Always attach the attribute.
890 * attribs.c (decl_attributes): Ignore type-in-place attributes
891 once the type has been defined.
893 2006-06-29 Roger Sayle <roger@eyesopen.com>
896 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
897 to indicate the cpplib has issued an error message for us.
899 2006-06-29 Asher Langton <langton2@llnl.gov>
902 * config/i386/i386.c (ix86_output_function_epilogue): Don't
903 insert a label at the end of an function under Mach-O.
905 2006-06-29 Eric Christopher <echristo@apple.com>
906 Evan Cheng <evan.cheng@apple.com>
908 * predicates.md (vector_all_ones_operand): New.
909 (nonimmediate_or_sse_const_operand): Ditto.
910 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
911 * config/i386/i386.c (standard_sse_constant_opcode): Define.
912 (standard_sse_mode_p): Ditto.
913 (standard_sse_constant_p): Add case for -1 vector.
914 (ix86_expand_vector_move): Try to use.
915 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
916 Call standard_sse_constant_opcode.
917 (*movv4sf_internal): Ditto.
918 (*movv2df_internal): Ditto.
920 2006-06-29 Roger Sayle <roger@eyesopen.com>
922 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
923 of XEXP to extract the operands of a MATCH_CODE rtx.
925 2006-06-28 Andrew Pinski <pinskia@gmail.com>
927 * tree.c (tree_size): Do not waste tail padding in
928 struct tree_string and make the size be the same as
929 build_string will generate.
931 2006-06-28 Jason Merrill <jason@redhat.com>
934 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
935 may_aliases already in the tag's annotations to the bitmap.
937 2006-06-28 Roger Sayle <roger@eyesopen.com>
939 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
941 2006-06-28 Roger Sayle <roger@eyesopen.com>
943 * genpreds.c (generate_switch_p): New function.
944 (add_mode_tests): Push the new mode test down inside an AND expr
945 if this allows the switch-suitable MATCH_CODE to be near the root.
946 (write_match_code_switch): New function to write a MATCH_CODE as
948 (write_predicate_stmts): New function to write a predicate RTX
949 expression as a sequence of statements.
950 (write_one_predicate_function): Use write_predicate_stmts.
951 (write_tm_constrs_h): Likewise.
953 2006-06-26 Fred Fish <fnf@specifix.com>
955 * config/mips/t-sb1: New file.
956 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
959 2006-06-26 DJ Delorie <dj@redhat.com>
961 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
963 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
964 Jayant Sonar <jayants@kpitcummins.com>
965 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
967 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
968 (subsi3, subsi3_1, subsi3_2): New.
969 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
970 * config/m32c/mov.md (SI mov peephole): New.
971 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
972 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
974 2006-06-26 Olivier Hainque <hainque@adacore.com>
976 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
977 a CALL_EXPR target function declaration.
979 2006-06-26 Richard Guenther <rguenther@suse.de>
981 * tree.c (build_string): Do not waste tail padding in
984 2006-06-26 Richard Guenther <rguenther@suse.de>
986 * ggc-page.c (init_ggc): Add missing element to size_lookup
990 2006-06-23 Richard Guenther <rguenther@suse.de>
992 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
993 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
994 alignment requests instead. Add verification code.
995 Add struct tree_function_decl and struct tree_binfo size to
996 extra_order_size_table. Add missing element to size_lookup
999 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1002 * fold-const.c (const_binop): Be prepared for self returning zero.
1003 Simplify code handling complex values.
1005 2006-06-24 Olivier Hainque <hainque@adacore.com>
1007 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1008 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1011 2006-06-24 Olivier Hainque <hainque@adacore.com>
1013 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1014 ARRAY_REF, so have the callback called for the low bound expression.
1016 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1018 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1019 * c-typeck.c (c_common_type): Disallow operations on decimal float
1020 types and other float types.
1021 * convert.c (convert_to_real): Don't ignore conversions involving
1022 decimal float types.
1024 2006-06-23 Olivier Hainque <hainque@adacore.com>
1026 * tree.c (max_int_size_in_bytes): New function, inspired from
1027 code in function.c:assign_temp.
1028 * tree.h (max_int_size_in_bytes): Declare.
1029 * function.c (assign_temp): Use it.
1030 * gimplify.c (create_tmp_var): Relax the assertions on the type
1031 properties, not mandating constant size any more.
1032 (force_constant_size): New static function.
1033 (gimple_add_tmp_var): Use it, forcing variable size to a
1034 constant upper bound if it is not constant on entry.
1036 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1039 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1040 for initialization and setting of one_only flag to ...
1041 (i386_pe_encode_section_info): ...here.
1042 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1043 Recheck that the symbol has not been defined.
1045 2006-06-23 Richard Guenther <rguenther@suse.de>
1047 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1048 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1049 alignment requests instead. Add verification code.
1050 Add struct tree_function_decl and struct tree_binfo size to
1051 extra_order_size_table. Add missing element to size_lookup
1054 2006-06-22 Roger Sayle <roger@eyesopen.com>
1055 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1058 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1059 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1061 2006-06-23 Ben Elliston <bje@au.ibm.com>
1063 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1064 negate dn -- manipulate it directly.
1066 2006-06-22 Roger Sayle <roger@eyesopen.com>
1067 Steven Bosscher <stevenb.gcc@gmail.com>
1070 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1071 generated by gen_move_insn to add REG_LABEL notes if necessary.
1073 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1075 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1076 (leaf_entry): Remove use of MIN_ESA.
1078 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1080 PR rtl-optimization/28121
1081 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1084 2006-06-21 DJ Delorie <dj@redhat.com>
1086 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1088 (mulhisi3_r): Likewise.
1090 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1093 * coverage.c (coverage_counter_alloc): Leave the index type
1095 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1098 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1100 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1101 section from the "Options for Code Generation Conventions".
1103 2006-06-21 Richard Henderson <rth@redhat.com>
1107 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1109 (global_symbolic_operand): Allow weak symbols, even if local_p.
1111 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1113 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1114 (find_interesting_uses_address): Punt if above function returns true.
1116 2006-06-21 Richard Guenther <rguenther@suse.de>
1118 * configure: Regenerated.
1120 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1122 * config/mips/mips.c (function_arg): Where one part of a
1123 complex argument is in registers and the other part in the stack,
1124 return a REG not a PARALLEL.
1126 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1128 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1129 when cross-compiling. Do not substitute libstdcxx_incdir.
1130 * configure: Regenerated.
1132 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1134 * varasm.c (mergeable_string_section): Check for embedded NULs and
1135 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1136 rather than TREE_STRING_LENGTH bytes.
1138 2006-06-21 Richard Guenther <rguenther@suse.de>
1140 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1141 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1144 2006-06-21 Richrad Guenther <rguenther@suse.de>
1146 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1147 Limit iteration over the dominators.
1149 2006-06-20 Roger Sayle <roger@eyesopen.com>
1151 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1152 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1154 2006-06-20 Richard Guenther <rguenther@suse.de>
1155 Michael Matz <matz@suse.de>
1157 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1159 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1160 * et-forest.h (et_free_pools): Prototype new function.
1161 * et-forest.c (et_free_tree_force): Free parent occurrence.
1162 (et_free_pools): New function.
1163 * dominance.c (free_dominance_info): Free et-forest alloc
1166 2006-06-20 Roger Sayle <roger@eyesopen.com>
1168 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1169 integer modes, attempt to directly construct an integer constant.
1171 * fold-const.c (native_encode_vector): Determine the size of each
1172 element from the vector type instead of the first vector element.
1174 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1175 if all of its elements/components are constant.
1176 (build_constructor_from_list): Likewise.
1178 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1180 PR tree-optimization/27331
1181 * tree-data-ref.c (free_data_ref): New function.
1182 (create_data_ref): Fail if the data reference has unknown access
1184 (free_data_refs): Use free_data_ref.
1186 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1189 * tree-inline.c (setup_one_parameter): Strip useless
1190 type conversion before adding it to the IR.
1191 (declare_return_variable): Likewise.
1193 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1196 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1198 2006-06-19 Mike Stump <mrs@apple.com>
1200 * tree.c (variably_modified_type_p): VM arguments don't make the
1203 2006-06-19 Richard Guenther <rguenther@suse.de>
1205 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1206 type conversions after folding.
1208 2006-06-19 Richard Guenther <rguenther@suse.de>
1210 * ggc-page.c (extra_order_size_tab): Add entries with
1211 size of struct function and basic_block.
1212 (size_lookup): Extend to cover sizes up to 511.
1213 (ggc_alloc_stat): Adjust user.
1214 (ggc_pch_count_object): Likewise.
1215 (ggc_pch_alloc_object): Likewise.
1216 (ggc_pch_write_object): Likewise.
1218 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1220 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1221 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1224 2006-06-19 Denis Chertykov <denisc@overta.ru>
1226 * config/avr/libgcc.S : Correct my wrong previous commit.
1228 2006-06-19 Roger Sayle <roger@eyesopen.com>
1231 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1232 have stripped a SUBREG from the shift count, so we may need to
1233 convert_to_mode back to the type's mode before calling make_tree.
1234 Use new_amount instead of amount to avoid expanding a tree twice.
1236 2006-06-19 Richard Guenther <rguenther@suse.de>
1239 * fold-const.c (operand_equal_p): Check if the argument types
1240 have the same precision before stripping NOPs.
1242 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1244 Fix PR tree-optimization/27341
1245 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1247 * tree-complex.c (pass_lower_complex): Update SMT usage.
1249 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1251 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1252 Add a new alternative to the constraint strings. Add move of
1253 operand 1 to 3 to the splitter definition.
1254 ("doloop_si_long"): Second contraint alternative removed.
1256 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1258 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1259 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1261 (AVR_HAVE_MOVW) Define.
1262 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1263 (ASM_SPEC): Add avr25.
1264 (LINK_SPEC): Add avr25.
1265 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1266 (base_arch_s): Add new member 'have_movw_lpmx'.
1267 (avr_arch_types): Init 'have_movw_lpmx'.
1268 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1269 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1270 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1271 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1272 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1274 (avr_file_start): Do not output '.arh' derective.
1275 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1276 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1277 * config/avr/avr.md (mcu_enhanced): Delete.
1278 (mcu_have_movw): Define.
1279 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1280 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1281 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1282 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1283 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1284 attiny861 and at86rf401 devices.
1286 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1288 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1291 2006-06-17 Karl Berry <karl@gnu.org>
1293 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1294 doc/gccint.texi, doc/install.texi (@dircategory): Use
1295 "Software development" instead of "Programming", following
1296 the Free Software Directory.
1298 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1300 * config/i386/i386.c (legitimate_tls_address)
1301 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1302 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1303 (*tls_dynamic_gnu2_combine_64): Likewise.
1305 2006-06-16 Richard Guenther <rguenther@suse.de>
1308 * fold-const.c (negate_expr_p): Do not introduce undefined
1309 overflow in negating INTEGER_CSTs.
1310 (fold_negate_expr): Rename from negate_expr. Revert last
1311 change for folding BIT_NOT_EXPR. Change semantics to
1312 return NULL_TREE for non-simplified negations. Do not
1313 strip type conversions and unify type handling.
1314 (negate_expr): New function, wrap around fold_negate_expr
1315 but ensure building a tree always. Strip type conversions
1316 here, fold to result type.
1317 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1319 2006-06-16 Roger Sayle <roger@eyesopen.com>
1322 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1323 that (would) return their results in stack registers.
1325 2006-06-16 Michael Matz <matz@suse.de>
1326 Richard Guenther <rguenther@suse.de>
1328 * fold-const.c (fold_truthop): Only return new tree node if
1329 we canonicalized something.
1331 2006-06-16 Richard Guenther <rguenther@suse.de>
1333 * function.h (enum function_frequency): Move declaration
1334 out of struct function.
1335 (struct function): Move bool fields and the enum to the bitfield
1336 section. Reorder elements to avoid padding. Remove unused
1337 fields left over from the RTL inliner removal.
1338 * function.c (free_after_compilation): Do not zero removed fields.
1339 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1340 (ipa-type-escape.o): Likewise.
1342 2006-06-16 Richard Guenther <rguenther@suse.de>
1344 * cgraph.h (struct cgraph_local_info): Turn bool elements
1346 (struct cgraph_node): Likewise.
1347 (struct cgraph_varpool_node): Likewise.
1349 2006-06-15 Richard Guenther <rguenther@suse.de>
1351 * fold-const.c (fold_truth_not_expr): Rename from
1352 invert_truthvalue. Give it fold_* semantics to avoid
1354 (invert_truthvalue): New function. Wrapper around
1355 fold_truth_not_expr.
1356 (optimize_minmax_comparison): Avoid creating garbage.
1357 (fold_unary): Use fold_truth_not_expr for folding
1359 (fold_ternary): Replace uses of invert_truthvalue with
1360 fold_truth_not_expr where applicable.
1361 * tree.h (fold_truth_not_expr): Prototype.
1363 2006-06-16 Richard Guenther <rguenther@suse.de>
1365 PR tree-optimization/27781
1366 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1367 * ipa-pure-const.c (target.h): Include.
1368 (analyze_function): Do not analyze functions that do not
1371 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1374 * tree-dfa.c (referenced_vars_dup_list): Remove.
1375 (find_referenced_vars): Remove assert.
1376 (referenced_var_check_and_insert): Replace dup list with assert.
1377 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1378 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1380 2006-06-15 Richard Guenther <rguenther@suse.de>
1382 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1383 extra unused identifiers if not dumping.
1384 (create_variable_info_for): Likewise.
1386 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1388 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1389 (derive_constant_upper_bound): Derive more precise upper bound in
1390 common cases. Return type changed to double_int.
1391 (record_estimate): Reflect the changed return type of
1392 derive_constant_upper_bound.
1393 * double-int.c (double_int_zext, double_int_sext): Fix.
1395 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1397 * configure.ac (CFLAGS): Get them from the toplevel or from the
1398 configure invocation.
1399 * configure: Regenerate.
1400 * Makefile.in (CFLAGS): Substitute value provided by configure.
1402 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1405 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1406 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1407 rather than calling add_stmt on it.
1408 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1410 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1413 * reload1.c (reload): Remove registers returned by update_eliminables
1414 from used_spill_regs.
1416 2006-06-13 DJ Delorie <dj@redhat.com>
1418 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1420 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1422 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1423 html__strip_dir, html__mkdir_p. Enhance install-html target.
1424 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1425 * configure: Regenerate.
1427 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1429 * fold-const.c (fold_cond_expr_with_comparison): Check for
1430 Objective-C++ as language in deciding COND_EXPR transformation.
1432 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1435 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1436 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1437 * config/sh/lib1funcs.h (SL, SL1): Define.
1438 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1439 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1440 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1441 (OBJS_Os_4_200): New variable.
1442 ($(T)libgcc-Os-4-200.a): Use it.
1443 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1444 when dividing 1 and/or by 0.
1446 2006-06-13 Roger Sayle <roger@eyesopen.com>
1448 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1449 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1450 * configure: Regenerate.
1452 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1454 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1455 for real instruction.
1457 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1460 * haifa-sched.c (check_cfg): Handle special case.
1462 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1465 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1466 Add debug_info parameter. Chain the vars to the BLOCK instead
1467 of the BIND_EXPR if debug info are requested for them.
1468 (pop_gimplify_context): Adjust for above change.
1469 (gimple_add_tmp_var): Likewise.
1470 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1472 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1473 (convert_local_reference): Likewise.
1474 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1475 (finalize_nesting_tree_1): Request that debug info be emitted
1476 for debug_var_chain.
1478 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1480 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1481 for PR target/27863.
1483 2006-06-13 Richard Guenther <rguenther@suse.de>
1486 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1488 2006-06-13 Richard Guenther <rguenther@suse.de>
1490 PR tree-optimization/27830
1491 * tree-inline.c (copy_body_r): For copying the operand
1492 of an ADDR_EXPR make sure to fold &* afterwards.
1494 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1496 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1497 lvalues in the fb_none case with side-effects.
1499 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1501 * tree-flow.h: Remove the prototype for
1502 compute_phi_arg_on_exit.
1503 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1504 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1507 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1509 * builtins.c (expand_builtin_return_addr): Only use
1510 frame_pointer_rtx when count == 0 and we are expanding
1511 __builtin_return_address.
1513 2006-06-12 Fred Fish <fnf@specifix.com>
1515 * config/mips/mips.c (mips_file_start): Create special section
1516 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1518 2006-06-11 Eric Christopher <echristo@apple.com>
1521 * stor-layout.c (place_field): Remove check for
1522 remaining_in_alignment when aligning at the end of a run.
1524 2006-06-11 Eric Christopher <echristo@apple.com>
1527 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1530 2006-06-11 Roger Sayle <roger@eyesopen.com>
1533 Revert incorrect fix for PR target/27158
1534 2006-05-08 Roger Sayle <roger@eyesopen.com>
1535 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1536 of a reg_equiv_constant if the result is a legitimate constant.
1538 2006-06-11 Roger Sayle <roger@eyesopen.com>
1541 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1542 extract a CONST_VECTOR element and interpret it as an integer.
1543 (vspltis_constant): Use const_vector_elt_as_int instead of the
1544 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1545 * config/rs6000/predicates.md (easy_vector_const): Consider
1546 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1548 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1551 * stor-layout.c (update_alignment_for_field): Don't add extra
1552 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1555 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1557 * config/mips/t-rtems: Add EL/EB multilib variants.
1559 2006-06-09 Mike Stump <mrs@apple.com>
1561 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1563 2006-06-09 David Daney <ddaney@avtrex.com>
1565 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1567 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1569 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1571 2006-06-09 Richard Guenther <rguenther@suse.de>
1573 PR tree-optimization/26998
1574 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1575 of signed types, only TYPE_MIN_VALUE is special, but for both,
1576 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1577 in this case, as is -fwrapv.
1579 2006-06-08 Mike Stump <mrs@apple.com>
1582 * config/darwin.c (darwin_asm_output_anchor): Disable
1583 -fsection-anchors on darwin for now.
1584 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1585 * rs6000/rs6000.c (optimization_options): Likewise.
1587 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1590 * config/i386/i386.c (classify_argument): Skip fields with invalid
1593 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1595 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1596 (cse_insn): Likewise for the stack_pointer_rtx.
1598 2006-06-08 Roger Sayle <roger@eyesopen.com>
1600 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1601 conditions from floating point comparisons.
1603 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1606 * expmed.c (struct alg_hash_entry): Fix type of field T
1607 to match synth_mult argument.
1608 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1610 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1613 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1616 2006-06-08 Richard Guenther <rguenther@suse.de>
1619 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1620 only, if overflow is defined and not trapping.
1621 (negate_expr): Likewise.
1623 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1625 PR tree-optimization/27872
1626 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1627 flag on the new exit edge of the unrolled loop.
1629 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1631 PR rtl-optimization/26449
1632 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1634 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1637 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1638 referenced_variables with matching DECL_UID's.
1639 (find_referenced_vars): Make sure duplicate list is empty to start.
1640 (referenced_var_p): Remove.
1641 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1642 Check if var is in the list, and add if needed. Update the duplicate
1643 list if a different var is in the list with the same DECL_UID.
1644 (add_referenced_var): Call routine to check and insert.
1645 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1646 * tree-flow.h (referenced_vars_dup_list): External declaration.
1648 2006-06-07 Fred Fish <fnf@specifix.com>
1650 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1653 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1656 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1657 the imaginary and real parts of a clobbered register.
1658 Emit insn to set the imaginary part.
1660 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1662 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1663 in lieu of unwind-dw2-fde.c.
1665 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1667 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1669 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1672 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1673 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1674 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1675 V4SImode temporaries and operations instead.
1677 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1679 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1682 2006-06-06 Mike Stump <mrs@apple.com>
1684 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1685 installing during build.
1687 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1689 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1691 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1692 * config/ia64/ia64.c (params.h): New header.
1693 (ia64_optimization_options): New function to adjust parameters.
1694 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1695 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1696 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1698 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1700 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1702 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1705 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1707 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1708 Victor Kaplansky <victork@il.ibm.com>
1710 PR tree-optimization/26360
1711 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1714 2006-06-04 Roger Sayle <roger@eyesopen.com>
1715 Andrew Pinski <pinskia@physics.uc.edu>
1718 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1719 for LABEL_DECL before calling DECL_WEAK.
1722 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1723 LABEL_DECL and PARM_DECL.
1725 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1729 * c-decl.c (grokdeclarator): Disallow variably modified types at
1730 file scope. Avoid marking shared array type of constant size as
1733 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1736 * c-common.c (fold_offsetof_1): Handle static members.
1738 2006-06-04 Eric Christopher <echristo@apple.com>
1740 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1741 (debug_rli): Output value for remaining_in_alignment.
1742 (update_alignment_for_field): Unconditionalize
1743 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1744 extra alignment code.
1745 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1746 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1747 * tree.h (record_layout_info_s): Remove prev_packed.
1748 * doc/extend.texi (ms_struct): Add documentation of format.
1750 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1752 * tree.h: Declare folding_initializer.
1753 * builtins.c (fold_builtin_constant_p): Give definite answer
1754 if folding inside an initializer.
1755 * fold-const.c: Define folding_initializer.
1756 (START_FOLD_INIT): Save and then set folding_initializer.
1757 (END_FOLD_INIT): Restore folding_initializer.
1759 2006-06-04 Richard Guenther <rguenther@suse.de>
1761 PR tree-optimization/27039
1762 * fold-const.c (fold_comparison): Handle pointer comparison
1763 again for all comparison codes. Compare offsets in signed
1765 (fold_binary): Move code from here.
1767 2006-06-03 Roger Sayle <roger@eyesopen.com>
1770 * config/i386/i386.c (construct_container): Split static issued_error
1771 flag into issued_sse_arg_error, issued_sse_ret_error and
1772 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1773 requires the use of x87 registers and the user explicitly
1774 specified the -mno-80387 command line option.
1776 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1778 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1779 HAVE_DECL_SIGALTSTACK.
1781 (segv_handler): Use MC_FLD.
1782 * configure.ac: Check for a sigaltstack declaration.
1783 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1784 * configure: Regenerate.
1785 * config.in: Regenerate.
1787 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1790 * Makefile.in (stmp-fixinc): Fix typo.
1792 2006-06-02 Roger Sayle <roger@eyesopen.com>
1794 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1795 are type correct. Clean-up.
1796 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1797 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1799 2006-06-01 DJ Delorie <dj@redhat.com>
1801 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1802 shift, as we've disabled the "switch" insn that needs it.
1804 2006-06-01 Per Bothner <bothner@bothner.com>
1806 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1807 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1808 * c-ppoutput.c (cb_define): Don't increment line 0.
1810 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1812 * doc/invoke.texi: Add cpu_type power6.
1813 * config.gcc: Add cpu_type power6.
1814 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1815 to power5+ with Altivec.
1816 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1817 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1819 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1821 * config/avr/avr.h (SET_ASM_OP): Define.
1823 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1825 * config/bfin/bfin.c: Fix comment typos.
1827 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1830 * doc/install.texi: Document --enable-bootstrap and
1831 --disable-bootstrap.
1833 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1835 * doc/install.texi: Document that InfoZIP can replace jar.
1837 2006-05-31 Roger Sayle <roger@eyesopen.com>
1839 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1840 isn't available, directly generate the simpler x87 patterns without
1841 the (use (const_int 0)).
1842 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1843 implementation isn't available.
1844 (*negdf2_1): Likewise.
1845 (*negxf2_1): XF mode negation is always done using the x87.
1846 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1848 2006-05-31 Roger Sayle <roger@eyesopen.com>
1850 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1851 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1853 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1855 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1857 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1858 * config/bfin/bfin.c (basic-block.h): Include.
1859 (struct machine_function): New.
1860 (bfin_init_machine_status): New.
1861 (override_options): Initialize init_machine_status.
1862 (bfin_hardware_loop): New.
1863 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1864 (DEF_VEC_P (loop_info)): New.
1865 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1866 (struct loop_info): New.
1867 (loop_info): New typedef.
1868 (struct loop_work): New.
1869 (loop_work): New typedef.
1870 (DEF_VEC_O (loop_work)): New.
1871 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1872 (bfin_dump_loops): New.
1873 (bfin_bb_in_loop): New.
1874 (bfin_scan_loop): New.
1875 (bfin_optimize_loop): New.
1876 (bfin_reorg_loops): New.
1877 (bfin_reorg): Use bfin_reorg_loops.
1878 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1880 (I_REGNO_P): Simplify.
1881 (DP_REGNO_P, DPREG_P): New macros.
1882 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1883 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1884 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1885 Add LT_REGS, LC_REGS, LB_REGS.
1886 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1888 (REGNO_REG_CLASS): Deal with loop registers.
1889 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1891 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1892 New constants for loop registers.
1893 (UNSPEC_LSETUP_END): New.
1894 (seq_insns): New define_attr. Set it for appropriate insns.
1895 (movsi_insn): Add alternatives for move from/to
1896 loop count registers.
1897 (doloop_end): New define_expand.
1898 (loop_end): New define_insn.
1899 (define_split for bad doloop_end): New.
1900 (lsetup_with_autoinit): New define_insn.
1901 (lsetup_without_autoinit): New define_insn.
1902 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1903 * config/bfin/predicates.md (lc_register_operand): New.
1904 (lt_register_operand): New.
1905 (lb_register_operand): New.
1906 (nondp_register_operand): New.
1907 (nondp_reg_or_memory_operand): New.
1908 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1910 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1912 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1913 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1915 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1917 * Makefile.in (CATALOGS): Add po/ prefix.
1918 * configure: Regenerated.
1920 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1923 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1924 a shift operand before calling shift_op. Avoid redundant call of
1927 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1928 DJ Delorie <dj@redhat.com>
1930 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1931 we're inserting is a singlt-bit constant.
1933 2006-05-30 Roger Sayle <roger@eyesopen.com>
1935 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1936 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1938 2006-05-30 Roger Sayle <roger@eyesopen.com>
1940 PR tree-optimization/23452
1941 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1942 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1943 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1944 complex values and with -ffast-math for FP complex values.
1946 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1948 * c-common.h: Remove the prototype for yyparse.
1949 * rtl.h: Remove the prototype for init_loop.
1951 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1953 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1956 2006-05-30 Roger Sayle <roger@eyesopen.com>
1958 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1960 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1961 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1963 2006-05-30 Dirk Mueller <dmueller@suse.de>
1966 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1967 for CONSTANT_CLASS_P expresisons.
1969 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1972 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1974 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1976 PR tree-optimization/27779
1977 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1978 initial_condition instead of CHREC_LEFT.
1980 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1982 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1983 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1984 Make prototypes ISO C90.
1986 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1987 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1989 * see.c (see_analyze_one_def): Correct check.
1990 (see_get_extension_data): Check if extension is parallel.
1991 (see_get_extension_reg): Likewise.
1993 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1996 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1997 into register for (code == GTU).
1999 2006-05-29 Roger Sayle <roger@eyesopen.com>
2001 PR tree-optimization/24964
2002 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2003 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2004 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2005 abs(x)*abs(x) as x*x for scalar floating point modes.
2007 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2010 * lambda-code.c (perfect_nestify): Don't copy statements
2011 in the inner loop: move them to the inner loop header.
2013 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2016 * c-tree.texi: Document OpenMP directives and clauses.
2018 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2020 * varasm.c (globalize_decl): Fix indentation.
2022 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2025 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2026 pass_fre, pass_store_ccp, pass_copy_prop,
2027 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2028 pass_return_slot, pass_object_size, pass_lim,
2029 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2030 pass_loop_prefetch and pass_stdarg.
2032 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2034 * config/bfin/bfin.opt (mfdpic): New option.
2035 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2036 (EXTRA_MULTILIB_PARTS): Likewise.
2037 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2038 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2040 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2041 (CRT_CALL_STATIC_FUNCTION): New.
2042 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2044 (CRT_CALL_STATIC_FUNCTION): New.
2045 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2047 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2048 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2049 (initialize_trampoline): Changed to handle FD-PIC code generation.
2050 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2051 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2052 (override_options): Disallow -mid-shared-library -mfdpic combination.
2053 Can't do unaligned ops if FD-PIC.
2054 Turn off flag_pic if trying to generate non-id-shared-library
2055 non-fdpic code, since it's not supported.
2056 (bfin_assemble_integer): New function.
2057 (TARGET_ASM_INTEGER): Define.
2058 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2060 * config/bfin/crtn.s: Restore them.
2061 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2063 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2064 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2065 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2066 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2067 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2069 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2070 FDPIC_REGS and FDPIC_FPTR_REGS.
2071 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2072 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2073 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2074 (load_funcdescsi): New pattern.
2075 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2076 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2077 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2079 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2081 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2084 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2086 * tree-flow.h: Remove the prototype for add_type_alias.
2087 * tree-ssa-alias.c (add_type_alias): Remove.
2089 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2091 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2092 config/fr30/fr30.md, config/i386/i386-interix.h,
2093 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2094 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2095 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2096 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2097 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2098 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2099 Follow spelling conventions.
2100 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2101 Follow spelling conventions.
2103 2006-05-27 Richard Guenther <rguenther@suse.de>
2106 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2107 to produce a constant of value 1 of generic type.
2109 2006-05-27 Dirk Mueller <dmueller@suse.de>
2111 * cgraphunit.c (decide_is_function_needed): Fix wrong
2114 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2116 PR rtl-optimization/27661
2117 * reload.c (find_reloads): When reloading a VOIDmode constant
2118 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2119 use Pmode as mode of the reload register.
2121 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2123 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2124 is enabled at -O and above.
2126 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2129 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2132 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2135 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2136 for anonymous variables explicitly declared by front ends.
2138 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2140 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2141 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2142 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2143 ref-all pointers, run a finalization pass for them.
2144 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2145 (finalize_ref_all_pointers): New function.
2146 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2147 regular pointer type to a ref-all pointer type.
2148 (get_tmt_for): Return the special memory tag for ref-all pointers.
2150 2006-05-25 Richard Guenther <rguenther@suse.de>
2153 * fold-const.c (fold_binary): Do not look at the stripped
2154 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2156 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2158 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2159 for LT and GT if the computed range is effectively empty.
2161 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2164 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2165 mips_quad_format formats instead of ieee_single_format,
2166 ieee_double_format and ieee_quad_format formats, respectively.
2168 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2170 PR tree-optimization/27639
2171 PR tree-optimization/26719
2172 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2173 call to scev_probably_wraps_p.
2174 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2175 used_in_pointer_arithmetic_p, convert_step): Removed.
2176 (nowrap_type_p): New function.
2177 (scev_probably_wraps_p): Rewritten.
2178 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2179 chrec_convert if chrec_convert_aggressive might have been used.
2180 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2181 scev_direction): New functions.
2182 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2183 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2184 instead of convert_step.
2185 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2186 (convert_step): Declaration removed.
2187 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2189 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2191 * df-core.c: Added to header comments.
2192 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2193 df_ur_bb_info, df_urec_bb_info): Added comments.
2194 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2195 urec, ri problems): Fixed header comments.
2196 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2197 code from df_rd_transfer_function.
2199 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2201 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2202 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2203 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2205 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2207 * expr.c (undefined_operand_subword_p): New.
2208 (emit_move_multi_word): Do not generate move from undefined bits
2209 of a paradoxical subreg.
2211 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2213 PR rtl-optimization/27736
2214 * combine.c (replaced_rhs_value): New variable.
2215 (combine_instructions): Set it.
2216 (distribute_notes): When distributing a note in replaced_rhs_insn,
2217 check whether the value was used in replaced_rhs_value.
2219 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2222 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2223 add_referenced_var instead of add_referenced_tmp_var.
2224 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2225 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2227 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2228 tree_optimize_tail_calls_1): Use add_referenced_var.
2229 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2230 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2231 Use add_referenced_var.
2232 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2233 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2234 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2235 Use add_referenced_var.
2236 * tree-dfa.c (struct walk_state): Remove.
2237 (find_referenced_vars): Remove walk state and vars_found hash table.
2238 (make_rename_temp): Use add_referenced_var.
2239 (find_vars_r): Pass less parameters to add_referenced_var.
2240 (referenced_var_p): New. Is var in referenced_var hash table.
2241 (referenced_var_insert): Assert var isn't already in hash table.
2242 (add_referenced_var): Don't need walk_state parameter. Add var if it
2243 isn't already in the hash table.
2244 (add_referenced_tmp_var): Remove.
2245 (find_new_referenced_vars_1): Use add_referenced_var.
2246 * tree-ssa-pre.c (create_expression_by_pieces,
2247 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2248 Use add_referenced_var.
2249 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2250 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2251 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2253 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2254 vect_create_data_ref_ptr, vect_create_destination_var,
2255 vect_init_vector, vect_build_loop_niters,
2256 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2257 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2258 Use add_referenced_var.
2259 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2260 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2261 (add_referenced_var): Add prototype.
2262 * tree-ssa-structalias.c (get_constraint_for,
2263 intra_create_variable_infos): Use add_referenced_var.
2265 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2267 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2268 big-endian paradoxical subregs.
2269 * var-tracking.c (struct micro_operation_def): Document that,
2270 for modify micro operations, insn is the subsequent instruction.
2271 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2272 (var_reg_set, var_mem_set): ... new functions.
2273 (add_stores): Record subsequent insn.
2274 (compute_bb_dataflow): Use new functions for MO_USE.
2275 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2276 notes after the insn, and modify notes before the insn known
2277 to be the subsequent one.
2278 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2280 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2283 * config/i386/i386.c (ix86_expand_builtin): Use
2284 gen_sse3_monitor64 for TARGET_64BIT.
2286 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2288 PR rtl-optimization/26375
2289 PR rtl-optimization/26855
2290 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2292 (df_ru_bb_local_compute): Reversed statements and removed bogus
2293 comment explaining why they should be in wrong order.
2294 (df_ru_dump, df_rd_dump): Enhanced debug info.
2295 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2297 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2298 reaching uses and fixed space problem.
2300 2006-05-23 Jan Hubicka <jh@suse.cz>
2302 * cgraphunit.c (decide_is_function_needed): Also nested functions
2303 and functions declared inline can be optimized out at -O0.
2305 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2307 * doc/install.texi (Configuration): Remove reference to CrossGCC
2311 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2314 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2315 ix86_compare_emitted is non-NULL.
2317 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2320 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2323 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2325 PR rtl-optimization/25514
2326 * combine.c (replaced_rhs_insn): New variable.
2327 (combine_instructions): Set replaced_rhs_insn when trying to replace
2328 a SET_SRC with a REG_EQUAL note.
2329 (distribute_notes): Use replaced_rhs_insn when determining the live
2330 range of a REG_DEAD register.
2332 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2333 Anatoly Sokolov <aesok@post.ru>
2335 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2336 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2337 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2338 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2339 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2340 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2341 at90usb647, at90usb1286 and at90usb1287 devices.
2342 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2343 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2345 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2347 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2349 2006-05-22 Richard Guenther <rguenther@suse.de>
2352 2006-01-31 Richard Guenther <rguenther@suse.de>
2353 Paolo Bonzini <bonzini@gnu.org>
2355 * doc/install.texi (--disable-libgcc-math): Document.
2357 2006-05-22 Richard Guenther <rguenther@suse.de>
2360 2006-01-31 Richard Guenther <rguenther@suse.de>
2362 * doc/invoke.texi (-msselibm): Document.
2363 * target.h (expand_library_builtin): New target hook.
2364 * builtins.c (expand_builtin): Use expand_library_builtin.
2365 (default_expand_library_builtin): New function.
2366 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2367 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2368 (link_gcc_math_spec): Declare.
2369 (static_specs): Add link_gcc_math_spec.
2370 * expr.h (default_expand_library_builtin): Declare.
2371 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2372 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2373 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2374 * config/i386/i386.opt (msselibm): New target option.
2375 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2376 (ix86_init_sse_abi_builtins): New function.
2377 (ix86_expand_library_builtin): Likewise.
2378 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2379 (override_options): Handle error conditions wrt -msselibm.
2380 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2381 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2382 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2385 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2388 * c-common.c (self_promoting_args_p): Skip erroneous args.
2391 * c-decl.c (finish_struct): Skip erroneous fields.
2393 2006-05-22 Nick Clifton <nickc@redhat.com>
2395 * config/cris/cris.opt (march): Remove VarExists attribute.
2396 (max-stackframe=): Likewise.
2398 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2400 * doc/rtl.texi: Fix a typo.
2401 * see.c: Fix comment typos.
2403 * tree-ssa-structalias.h (alias_info): Remove num_references.
2405 2006-05-21 Mike Stump <mrs@apple.com>
2407 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2409 (darwin_pragma_options): Use BAD instead.
2410 (darwin_pragma_unused): Likewise.
2411 (darwin_pragma_ms_struct): Likewise.
2413 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2415 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2417 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2419 PR rtl-optimization/27671
2420 * simplify-rtx.c (simplify_relational_operation_1): Fix
2421 simplifications of (eq/ne (xor x y) y) and
2422 (eq/ne (xor x y) x).
2424 PR tree-optimization/26622.
2425 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2428 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2430 * tree-cfg.c: Prune whitespace.
2431 (debug_tree_cfg): Point to correct header containing the
2434 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2437 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2439 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2442 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2443 or sorry count is non zero.
2445 2006-05-20 Andreas Schwab <schwab@suse.de>
2447 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2449 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2450 Kenneth Zadeck <zadeck@naturalbridge.com>
2452 PR rtl-optimization/26855
2454 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2456 (df_scan_alloc): Added code to properly handle multiword hard
2457 registers and add all_blocks parameter.
2458 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2459 code to properly handle multiword hard registers.
2460 (df_rescan_blocks): Added code to remove deleted blocks from
2462 (df_ref_create_structure, df_ref_record): Added code to properly
2464 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2465 and set DF_REF_PARTIAL.
2466 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2467 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2468 (df_scan_add_problem): Added flags parameter.
2469 (df_ref_create_structure): Changed switching structure.
2470 (df_bb_refs_record): Fixed case where duplicate artificial refs
2471 were created. Changed location of flags.
2472 (df_record_entry_block_defs): Added code to make stack pointer
2473 live in entry block. Refined cases where frame pointer is needed.
2474 Changed location of flags.
2475 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2476 (df_set_state): Removed function.
2477 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2478 df_insn_create_insn_record, df_insn_refs_delete,
2479 df_ref_create_structure): Formatting changes.
2480 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2481 df_delete_basic_block): New function.
2482 (df_init): Changed location of flags.
2483 (df_add_problem): Added flags parameter and the way flags are
2485 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2486 debug_df_chain): Improved debugging output.
2487 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2488 (df_refs_chain_dump): Removed df parameter.
2489 (df_iterative_dataflow): Added consistency check.
2490 (df_prune_to_subcfg): Made public.
2491 (df_analyze_problem): Added blocks_to_init parameter and made
2493 (df_ref_record, df_bb_refs_record, df_mark_reg,
2494 df_record_exit_block_uses): Whitespace changes.
2495 (df_dump): Whitespace changes.
2496 * df.h: Some reordering to remove forward references.
2497 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2498 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2499 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2500 (dataflow.flags): New field.
2501 (df.flag): Deleted field.
2502 (df_alloc_function): Added additional bitmap parameter.
2503 (df_dependent_problem_function): New type.
2504 (df_problem.changeable_flags): New field.
2505 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2506 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2507 (df_mw_hardreg): New struct.
2508 (DF_INSN_UID_MWS): New macro.
2509 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2511 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2512 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2513 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2514 (df_set_state): Removed function.
2515 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2516 * df-problems.c (df_chain_dump): Removed df parameter.
2517 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2518 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2520 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2521 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2522 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2523 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2524 DF_REF_MUST_CLOBBER cases.
2525 (df_ru_bb_local_compute_process_def,
2526 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2527 df_lr_bb_local_compute, df_ur_bb_local_compute,
2528 df_chain_create_bb): Made subreg aware.
2529 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2530 df_lr_bb_local_compute, df_lr_bb_local_compute,
2531 df_chain_create_bb): Cleanup to use proper macros.
2532 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2533 code to fixup bitvectors.
2534 (df_ri_alloc): Cleared lifetime.
2535 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2536 df_create_unused_note): New function.
2537 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2538 REG_DEAD and REG_UNUSED notes as well as register information.
2539 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2540 df_chains_dump): Fixed crash if problem was never run.
2541 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2542 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2543 df_ri_add_problem): Processes flags in uniform manner.
2544 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2545 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2546 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2547 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2548 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2549 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2550 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2551 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2552 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2553 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2554 * see.c (see_initialize_data): Ditto.
2555 * final.c (rest_of_clean_state) Added regstack_completed.
2556 * rtl.h (regstack_completed): Ditto.
2557 * reg-stack.c (regstack_completed): Ditto.
2559 2006-05-19 Mike Stump <mrs@apple.com>
2561 * c-tree.h (default_conversion): Remove.
2562 * c-common.h (default_conversion): Add.
2564 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2566 * tree-vrp.c (valid_value_p): New function.
2567 (adjust_range_with_scev): Fail if the value of bound is not
2570 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2572 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2573 (mips_fallback_frame_state): Use syscall numbers to determine
2574 the appropriate li instruction for the current ABI. Only use
2575 __NR_sigreturn for o32.
2577 2006-05-19 Nicolas Setton <setton@adacore.com>
2579 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2580 * langhooks.c (lhd_dwarf_name): New function.
2581 * langhooks-def.h (lhd_dwarf_name): Declare.
2582 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2583 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2584 * ada/misc.c (gnat_dwarf_name): New function.
2585 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2587 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2589 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2591 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2592 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2593 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2594 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2595 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2596 determine the size of Wtype, etc.
2597 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2598 (swfloatfuncs): New variable.
2599 (dwfloatfuncs): Likewise.
2600 (lib2funcs): Remove floating-point conversion functions from
2601 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2602 the set of conversion routines needed. Allow entries to specify
2603 an object name, filename and word size. Update users accordingly.
2604 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2605 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2609 2006-02-08 Roger Sayle <roger@eyesopen.com>
2612 * config/fixtfdi.c: New libgcc source file.
2613 * config/fixunstfdi.c: New source file.
2614 * config/floatditf.c: New source file.
2615 * config/floatunditf.c: New souce file.
2616 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2617 files above instead of config/mips/_tilib.c.
2618 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2620 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2622 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2623 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2625 2006-05-18 Mike Stump <mrs@apple.com>
2627 Fix up vla, vm and [*] sematics.
2633 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2634 (c_vla_unspec_p): Add.
2635 (c_vla_type_p): Add.
2636 * c-decl.c (struct c_scope): Add had_vla_unspec.
2637 (build_array_declarator): Add support for [*].
2638 (grokdeclarator): Likewise.
2639 (grokparms): Likewise.
2640 (get_parm_info): Likewise.
2641 * c-objc-common.c (c_vla_unspec_p): Likewise.
2642 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2643 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2644 typeof when argument is a variably modified type not inside sizeof or alignof.
2645 (c_parser_direct_declarator_inner): Propagate errors.
2646 (c_parser_sizeof_expression): Add support for [*].
2647 (c_parser_parms_declarator): Initialize had_vla_unspec.
2648 (c_parser_parms_list_declarator): Likewise.
2649 * c-typeck.c (c_vla_type_p): Add.
2650 (composite_type): Add support for vla compositing.
2651 (comptypes_internal): Add support for vla compatibility.
2652 (c_expr_sizeof_expr): Evaluate vla arguments.
2653 * tree.c (variably_modified_type_p): Update comment for [*].
2655 2006-05-18 Michael Matz <matz@suse.de>
2658 * config.host: Make assignments to host_xmake_file cumulative.
2659 * config.host (*-darwin*): Test $host, not $target.
2661 2006-05-12 Stuart Hastings <stuart@apple.com>
2663 * config/i386/i386.opt (-mstackrealign): New flag.
2664 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2665 (ix86_handle_cconv_attribute): Emit error when
2666 force_align_arg_pointer attribute collides with too many regparms.
2667 (ix86_function_regparm): Limit regparms when used with
2668 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2669 Support stack-realigning prologue in non-main functions. Emit
2670 warning for nested functions under -mstackrealign, emit error for
2671 nested functions with force_align_arg_pointer attribute.
2672 * doc/extend.texi (force_align_arg_pointer): Document it.
2673 * doc/invoke.texi (-mstackrealign): Document it.
2675 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2677 PR rtl-optimization/27477
2678 * combine.c (try_combine): Don't split a parallel consisting
2679 of two sets into two individual sets if both sets reference
2682 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2684 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2685 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2687 * doc/options.texi (VarExists): Updated.
2689 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2691 * unwind-dw2.c: Add declarations for uw_update_context and
2693 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2694 detected, advance frame state and context once to skip over stub.
2696 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2700 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2701 Call rewrite_into_loop_closed_ssa only when something changed.
2702 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2703 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2704 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2705 Test for perfect_nest_p here. Fix formating.
2706 (replace_uses_equiv_to_x_with_y): Fix formating.
2707 (stmt_uses_op): Removed.
2708 (can_convert_to_perfect_nest): Removed loopivs parameter.
2709 Complete the test by checking the scalar dependences.
2710 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2713 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2716 From Dan Kegel <dank@kegel.com>:
2717 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2719 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2721 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2722 if the element type is variably modified without recursing.
2724 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2727 * tree-loop-linear.c (try_interchange_loops): Test for
2728 no data dependences.
2730 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2732 PR tree-optimization/27548
2733 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2734 range of ssa names that appear on abnormal edges.
2735 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2736 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2738 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2741 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2743 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2746 * tree.h (OMP_PARALLEL_COMBINED): Define.
2747 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2748 (new_omp_context): Add is_combined_parallel argument.
2749 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2750 new_omp_context caller.
2751 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2752 Adjust gimplify_scan_omp_clauses callers.
2753 (omp_is_private): Issue errors if iteration variable is firstprivate
2754 or reduction in the current context.
2755 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2756 on combined parallel workshare constructs.
2758 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2760 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2761 (gcc-options.o): New rule.
2763 * optc-gen.awk: Protect variables for gcc-options.o with
2764 #ifdef GCC_DRIVER/#endif.
2766 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2768 Fix PR tree-optimization/27373
2769 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2770 (forward_propagate_addr_expr): Update call.
2772 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2774 * doc/options.texi: Move the Negative option.
2776 2006-05-16 Richard Guenther <rguenther@suse.de>
2778 PR tree-optimization/22303
2779 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2781 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2782 ccp_fold did not simplify the statement.
2784 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2787 * Makefile.in (GCC_OBJS): New.
2788 (OBJS-common): Add opts-common.o.
2789 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2790 (cpp$(exeext)): Likewise.
2791 (gcc.o): Also depend on opts.h.
2792 (opts-common.o): New.
2794 * common.opt (gcoff): Add Negative(gdwarf-2).
2795 (gdwarf-2): Add Negative(gstabs).
2796 (gstabs): Add Negative(gstabs+).
2797 (gstabs+): Add Negative(gvms).
2798 (gvms): Add Negative(gxcoff).
2799 (gxcoff): Add Negative(gxcoff+).
2800 (gxcoff+): Add Negative(gcoff).
2801 * config/i386/i386.opt (m32): Add Negative(m64).
2802 (m64): Add Negative(m32).
2804 * doc/options.texi: Document the Negative option.
2806 * gcc.c: Include "opts.h".
2807 (main): Call prune_options after expandargv.
2809 * optc-gen.awk: Generate common declarations for all flag
2810 variables in options.c. Output the neg_index field.
2812 * opts.c (find_opt): Moved to ...
2813 * opts-common.c: Here. New file.
2815 * opts.h (cl_option): Add a neg_index field.
2817 (prune_options): Likewise.
2819 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2822 * omp-low.c (expand_omp_parallel): Don't assert
2823 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2824 instead search for it.
2827 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2830 2006-05-16 Andreas Schwab <schwab@suse.de>
2832 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2835 2006-05-15 Roger Sayle <roger@eyesopen.com>
2838 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2839 integer constants other than zero are only legitimate on TARGET_64BIT.
2840 <CONST_VECTOR> Only zero vectors are legitimate.
2841 (ix86_cannot_force_const_mem): Integral and vector constants can
2842 always be put in the constant pool.
2844 2006-05-16 DJ Delorie <dj@redhat.com>
2846 * crtstuff.c (__dso_handle): Set section from
2847 TARGET_LBIGCC_SDATA_SECTION if defined.
2848 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2849 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2851 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2854 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2857 2006-05-16 Ben Elliston <bje@au.ibm.com>
2859 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2861 2006-05-15 Per Bothner <per@bothner.com>
2863 * tree.c: (last_annotated_node): Use source_locus typedef.
2864 This permits bootstrapping with --enable-mapped-location.
2866 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2868 PR tree-optimization/26830
2869 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2870 (info_for_ssa_name, current_info_for_ssa_name_age,
2871 blocks_to_update): New variables.
2872 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2873 (clear_ssa_name_info, initialize_flags_in_bb,
2874 mark_block_for_update): New functions.
2875 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2876 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2877 prepare_def_site_for): Use mark_block_for_update.
2878 (mark_def_interesting): Assert that the processed block is marked in
2879 blocks_to_update. Do not take blocks argument.
2880 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2882 (rewrite_update_init_block, rewrite_update_stmt): Only process
2883 blocks with statements to rewrite.
2884 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2885 (update_ssa): Initialize and free blocks_to_update. Do not
2886 clear flags on statements. Do not use blocks bitmap.
2887 * tree.h (SSA_NAME_AUX): Removed.
2888 (struct tree_ssa_name): Removed aux field.
2889 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2891 2006-05-15 Richard Guenther <rguenther@suse.de>
2893 PR tree-optimization/27603
2894 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2895 Do computations in original type.
2897 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2899 * see.c: Code style changes such as redundant paranthesis,
2900 redundant intialization of local variables etc.
2901 (see_main): Declared now as static.
2902 * doc/invoke.texi: Update that -fsee is not enabled by
2905 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2907 * omp-low.c (check_omp_nesting_restrictions): New function.
2908 (scan_omp_1): Call it.
2911 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2912 construct, return *VAR.
2914 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2916 PR rtl-optimization/27406
2917 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2920 2006-05-14 Roger Sayle <roger@eyesopen.com>
2922 PR rtl-optimization/27538
2923 * combine.c (expand_compound_operation): Call gen_lowpart
2924 before calling simplify_shift_const.
2926 2006-05-14 Roger Sayle <roger@eyesopen.com>
2928 PR rtl-optimization/22563
2929 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2930 a fixed width bitfield, always force the intermediates into psuedos.
2932 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2935 * mkconfig.sh: Use operator = instead of == for test.
2937 2006-05-13 Nick Clifton <nickc@redhat.com>
2939 * dwarf2out.c (dbx_reg_number): Check return value from
2940 LEAF_REG_REMAP and only use it if it is valid.
2941 (multiple_reg_loc_descriptor): Likewise.
2943 2006-05-13 Richard Guenther <rguenther@suse.de>
2945 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2948 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2950 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2951 information attached to non-INSNs such as NOTEs.
2952 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2954 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2956 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2958 * config/s390/s390.md: Adjust comment describing On constraint.
2960 2006-05-11 Jan Hubicka <jh@suse.cz>
2962 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2963 to be output at -O0.
2965 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2968 * fold-const.c (size_binop): Move sanity check for arguments to
2969 the beginning of the function.
2972 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2975 2006-05-11 Richard Guenther <rguenther@suse.de>
2978 * fold-const.c (fold_unary): Handle intermediate conversion
2979 to a pointer type like intermediate conversion to an integer
2980 type in folding of (T1)(T2)var to var.
2981 Match the code to the comment in the final conversion for
2982 (T1)(T2)var to (T1)var regarding to type precision. Rather
2983 than disallow T1 being of pointer type, assert that both T1
2984 and var are of pointer type or not. Make sure not to fall
2985 over the frontends lazyness wrt array to pointer decay though.
2987 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2989 * arm.c (arm_struct_value_rtx): Delete.
2990 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2991 (arm_init_cumulative_args): Always initialize nregs to zero.
2993 2006-05-10 Richard Guenther <rguenther@suse.de>
2995 PR tree-optimization/27532
2996 * tree-object-size.c (plus_expr_object_size): Fix typo.
2998 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3001 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3002 ashrdi_const, ashrdi3): Use a scratch register.
3004 2006-05-10 Richard Guenther <rguenther@suse.de>
3006 PR tree-optimization/27302
3007 * fold-const.c (operand_equal_p): For two comparisons,
3008 try comparison of one comparison code swapped if that yields
3011 2006-05-10 Ben Elliston <bje@au.ibm.com>
3013 * tree-pretty-print.c (pretty_print_string): No need to handle
3014 '\0' as a special character.
3016 * tree.h: Include "hashtab.h".
3017 (iterative_hash_expr): Use hashval_t in its prototype.
3018 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3020 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3023 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3024 (hppa*64*-*-hpux11*): Ditto.
3025 (hppa[12]*-*-hpux11*): Ditto.
3027 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3030 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3032 2006-05-09 Michael Matz <matz@suse.de>
3034 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3035 host_extra_gcc_objs and host_xmake_file.
3036 (<*-*-linux*>): Don't overwrite host_xmake_file.
3037 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3038 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3039 (host_detect_local_cpu): Declare.
3040 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3041 * config/i386/i386.c (override_options): Handle -mtune=native
3043 * config/i386/x-i386: New file.
3044 * config/i386/driver-i386.c: New file.
3045 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3048 2006-05-09 Dirk Mueller <dmueller@suse.de>
3049 Richard Guenther <rguenther@suse.de>
3052 * fold-const.c (fold_read_from_constant_string): Relax check
3053 for matching types to matching modes.
3055 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3057 PR rtl-optimization/27335
3058 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3061 2006-05-08 Chao-ying Fu <fu@mips.com>
3062 Richard Sandiford <richard@codesourcery.com>
3064 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3065 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3066 * config/mips/mips.md (UNSPEC_SCC): New constant.
3067 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3068 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3069 (mips_emit_compare): Use it.
3070 (mips_expand_vcondv2sf): New function.
3072 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3074 Fix PR tree-optimization/27093
3075 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3076 renaming when they become not-used_alone.
3078 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3080 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3081 relocation and relocation stubs.
3083 2006-05-08 Eric Christopher <echristo@apple.com>
3085 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3088 2006-05-08 Jan Hubicka <jh@suse.cz>
3091 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3092 unused static functions are needed.
3094 2006-05-08 Roger Sayle <roger@eyesopen.com>
3097 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3098 of a reg_equiv_constant if the result is a legitimate constant.
3100 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3103 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3104 standard 80387 constants, raise the cost to prevent
3105 compress_float_constant() to generate load from memory.
3107 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3109 * config/arm/constraints.md (c): Fix a typo.
3111 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3114 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3117 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3119 (_mm_mwait): Likewise.
3121 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3123 (sse3_monitor): Make it 32bit only.
3124 (sse3_monitor64): New. 64bit monitor.
3126 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3129 * config/i386/i386.c (classify_argument): Skip fields with invalid
3132 2006-05-07 Richard Guenther <rguenther@suse.de>
3134 PR tree-optimization/27409
3135 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3136 Do not try to find zero-sized subvars.
3138 2006-05-07 Richard Guenther <rguenther@suse.de>
3140 PR tree-optimization/27136
3141 * tree-ssa-loop-niter.c (get_val_for): Correct function
3142 comment, assert requirements.
3143 (loop_niter_by_eval): Stop processing if the iterated
3144 value did not simplify.
3146 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3148 * opts.c (flag_see): remove its setting at -O3.
3150 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3152 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3153 * arm/constraints.md: New file.
3154 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3155 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3156 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3157 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3158 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3159 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3160 * arm.md: Include constraints.md.
3161 (thumb_movsi_insn): Use satisfies_constraint_J.
3162 (movhi, movqi): Use satisfies_constraint_I.
3164 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3166 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3167 for atmeg a645 device.
3169 2006-05-06 Richard Guenther <rguenther@suse.de>
3171 PR tree-optimization/27151
3172 * tree-vect-transform.c (vectorizable_condition): Punt on
3173 values that have a different type than the condition.
3175 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3178 * c-parser.c (c_parser_cast_expression): Only insert casts into
3179 hash table if pointer.
3180 * function.c (used_types_insert_helper): Rename from
3182 (used_types_insert): Call used_types_insert_helper.
3183 * function.h (used_types_insert): Accept only one argument.
3185 2006-05-05 David Edelsohn <edesohn@gnu.org>
3187 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3188 scratch with output modifier.
3190 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3193 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3194 with output modifier.
3196 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3199 * config/mips/mips.c (mips_symbolic_address_p): Return true
3200 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3201 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3203 2006-05-04 Richard Guenther <rguenther@suse.de>
3205 PR tree-optimization/14287
3206 PR tree-optimization/14844
3207 PR tree-optimization/19792
3208 PR tree-optimization/21608
3209 PR tree-optimization/27090
3210 * tree-ssa-pre.c (try_combine_conversion): New function.
3211 (compute_avail): After constructing the value-handle
3212 expression, use try_combine_conversion to combine NOP_EXPRs
3213 with previous value-handle expressions and use the result if it
3216 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3218 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3220 2006-05-04 Jan Hubicka <jh@suse.cz>
3223 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3225 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3227 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3228 that this only matches CONST_INTs. All users changed to VOIDmode
3231 * config/bfin/bfin.c: Include "optabs.h".
3232 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3234 (enum bfin_builtins): Add a number of fractional and vector builtins.
3235 (bfin_init_builtins): Likewise.
3236 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3237 (safe_vector_operand, bfin_expand_binop_builtin,
3238 bfin_expand_unop_builtin): New functions.
3239 (bfin_expand_builtin): Handle the new builtins.
3240 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3243 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3246 * Makefile.in (OBJS-common): Add see.o.
3247 (see.o): Add dependencies.
3248 * common.opt (fsee): New flag for the see optimization was added.
3249 * opts.c (flag_see): Initialized.
3250 * passes.c (init_optimization_passes, pass_see): New pass.
3251 * rtl.h (see_main): Declaration as extern.
3252 * timevar.def (TV_SEE): New.
3253 * tree-pass.h (pass_see): Declaration as extern.
3254 * invoke.texi (-fsee): Document.
3255 * recog.c (validate_simplify_insn): New function.
3256 * recog.h (validate_simplify_insn): Declaration as extern.
3257 * df-problems.c (df_chain_dump): Check for NULL.
3259 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3260 Daniel Berlin <dberlin@dberlin.org>
3262 * cfgrtl.c (insert_insn_bb_end_new): New function.
3263 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3265 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3267 * df.h (struct web_entry): Moved from web.c.
3268 (union_defs): Declaration as extern.
3269 (unionfind_root): Likewise.
3270 (unionfind_union): Likewise.
3271 * web.c (struct web_entry): Moved to df.h.
3272 (unionfind_root): Remove static declaration.
3273 (unionfind_union): Likewise.
3274 (union_defs): Likewise and generalize to use callback function.
3275 (web_main): Update arguments for union_defs function call.
3277 2006-05-04 Richard Guenther <rguenther@suse.de>
3279 PR tree-optimization/26447
3280 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3281 produce SSA_NAME copies before the store stmt to avoid
3282 breaking exception handling.
3284 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3287 * gimplify.c (omp_is_private): If var is shared in some outer context,
3288 return false instead of true. Stop searching on parallel context
3291 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3294 * coverage.c: Use get_gcov_unsigned_t() instead of
3295 unsigned_type_node all over.
3297 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3299 PR tree-optimization/27381
3300 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3301 maintain the same immediate_use links.
3302 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3303 node rather than segfaulting.
3305 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3308 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3309 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3310 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3312 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3314 Fix PR tree-optimization/26626
3315 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3317 * tree-ssa-operands.c (access_can_touch_variable): Allow
3318 typecasting through union pointers.
3320 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3323 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3324 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3325 to find if var will be a global variable even in the nested context.
3326 (omp_copy_decl): Only check for global variable at the end, it might
3327 be overridden in outer contexts.
3328 (scan_sharing_clauses): For global variables don't create a field.
3329 (lower_rec_input_clauses): Do nothing for global shared variables.
3330 Emit a barrier at the end of ILIST if there were any decls in both
3331 firstprivate and lastprivate clauses.
3332 (lower_send_clauses): Do nothing for global variables except for
3335 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3337 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3338 of the correct signedness is returned.
3340 2006-05-02 Jeff Law <law@redhat.com>
3342 PR tree-optimization/27364
3343 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3344 multiply expressions.
3346 2006-05-02 Tom Tromey <tromey@redhat.com>
3348 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3350 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3353 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3354 -mthumb -fPIC are used.
3356 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3357 Joshua Kinard <kumba@gentoo.org>
3360 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3361 with 64-bit pointers.
3363 2006-05-02 Paul Brook <paul@codesourcery.com>
3365 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3367 (create_fix_barrier): Check that a suitable barrier location is
3369 (arm_reorg): Include ftmp->address in allowable range of addresses.
3371 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3374 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3377 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3380 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3381 around RESULT_DECL for result passed by reference.
3382 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3383 * omp-low.c (use_pointer_for_field): Don't look at
3384 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3385 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3386 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3387 time or var for passing by reference for
3388 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3389 TREE_ADDRESSABLE variables when passing by reference.
3391 * omp-low.c (dump_omp_region): Fix output formatting.
3394 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3395 (expand_omp_parallel): Likewise.
3396 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3399 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3400 on statement list containing also constructors and destructors.
3401 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3404 * except.c (duplicate_eh_regions): Fix clearing of
3405 cfun->eh->region_array entries.
3407 2006-05-01 DJ Delorie <dj@redhat.com>
3409 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3411 (gcc_cv_objdump): Likewise.
3412 * configure: Regenerated.
3414 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3417 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3418 templates for case 3 and 4.
3420 2006-05-01 DJ Delorie <dj@redhat.com>
3422 * vec.c: Include bconfig.h when appropriate.
3423 * Makefile.in (build/vec.o): Adjust dependencies.
3424 * mkconfig.sh: Make sure config.h isn't used for build machine
3427 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3429 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3431 (mark_phi_for_rewrite): New function.
3432 (insert_phi_nodes_for, mark_use_interesting): Call
3433 mark_phi_for_rewrite.
3434 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3435 (update_ssa): Initialize and free phis_to_rewrite.
3437 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3439 PR rtl-optimization/27291
3440 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3441 folded to a constant.
3443 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3445 PR tree-optimization/27283
3446 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3447 not whole # of iteration descriptions.
3448 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3449 uses abnormal ssa name.
3450 (niter_for_single_dom_exit): Ditto.
3451 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3452 return just the number of iterations.
3454 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3456 PR tree-optimization/27144
3457 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3458 (record_estimate): Only record constant upper bound.
3459 (infer_loop_bounds_from_undefined): Call
3460 compute_estimated_nb_iterations just once.
3461 (proved_non_wrapping_p): Renamed to ...
3462 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3463 (convert_step_widening, scev_probably_wraps_p): Call
3464 n_of_executions_at_most instead of proved_non_wrapping_p.
3465 (substitute_in_loop_info): Do not replace values in bounds.
3466 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3469 2006-05-01 Richard Henderson <rth@redhat.com>
3472 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3473 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3476 2006-05-01 Roger Sayle <roger@eyesopen.com>
3478 * c-typeck.c (parser_build_binary_op): Don't call the function
3479 unsigned_conversion_warning to spot operand/result type overflow.
3480 (build_binary_op): Instead, call convert_and_check instead of
3481 convert to report the problem when the operands are promoted.
3482 * c-common.c (unsigned_conversion_warning): Make static.
3483 * c-common.h (unsigned_conversion_warning): Delete prototype.
3485 2006-05-01 Richard Guenther <rguenther@suse.de>
3487 PR tree-optimization/26726
3488 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3490 (find_interesting_uses_address): ... we work around here
3491 by folding INDIRECT_REFs in the substituted base.
3493 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3495 * omp-low.c (dump_omp_region): Add newlines.
3497 2006-04-30 Roger Sayle <roger@eyesopen.com>
3499 * common.opt (Woverflow): New command line option.
3500 * c-common.c (constant_expression_warning): Check warn_overflow.
3501 (overflow_waring): Pass OPT_Woverflow to warning.
3502 (unsigned_conversion_warning): Likewise.
3503 (convert_and_check): Likewise.
3504 * doc/invoke.texi: Document new command line option.
3506 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3508 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3509 TARGET_NO_FP_IN_TOC for section anchors.
3510 (optimization_options): Enable section anchors for all
3511 non-"Objective" languages.
3513 2006-04-28 Eric Christopher <echristo@apple.com>
3515 * config/darwin-c.c (darwin_ms_struct): Move this
3516 (darwin_set_default_type_attributes): and this...
3517 * config/darwin.c: ... here.
3518 * config/darwin.h (darwin_ms_struct): Declare.
3520 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3522 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3524 2006-04-28 Roger Sayle <roger@eyesopen.com>
3527 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3528 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3529 an unsigned HOST_WIDE_INT.
3530 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3532 (really_start_incremental_init): No need to call convert because
3533 bitsize_zero_node is already of type bitsizetype.
3534 (push_init_level): Extract the value of constructor_index as an
3535 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3536 (process_init_element): Likewise.
3538 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3540 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3541 value before passing to make_relative_prefix.
3543 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3546 * builtins.c (expand_builtin_memset): Expand val in original mode.
3548 2006-04-27 Eric Christopher <echristo@apple.com>
3550 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3551 with #ifndef/#endif.
3552 * config/darwin-c.c (darwin_ms_struct): New.
3553 (darwin_pragma_ms_struct): Ditto.
3554 (darwin_set_default_type_attributes): Ditto.
3555 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3556 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3557 Register ms_struct pragma.
3558 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3559 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3560 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3561 darwin_set_default_type_attributes if TARGET_MACHO.
3563 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3565 PR tree-optimization/26854
3566 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3567 * doc/tree-ssa.texi: Update immuse iterator documentation.
3568 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3569 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3570 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3571 first_safe_imm_use, next_safe_imm_use): Remove.
3572 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3573 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3574 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3575 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3576 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3577 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3578 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3579 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3580 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3581 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3582 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3583 (perfect_nestify): Use new iterator.
3584 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3586 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3587 (next_imm_name): New field in struct immediate_use_iterator_d.
3588 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3589 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3590 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3591 * tree-cfg.c (replace_uses_by): Use new iterator.
3592 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3593 * tree-ssa-operands.c (correct_use_link): Remove.
3594 (finalize_ssa_use_ops): No longer call correct_use_link.
3596 2006-04-27 Stuart Hastings <stuart@apple.com>
3598 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3599 * config/t-darwin (crt3.o): Use it.
3600 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3601 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3602 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3603 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3604 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3607 2006-04-27 Roger Sayle <roger@eyesopen.com>
3609 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3610 size, force the intermediate into a new pseudo rather instead of
3611 performing both a bitwise AND and a bitwise IOR in memory.
3613 2006-04-27 Richard Guenther <rguenther@suse.de>
3615 PR rtl-optimization/26685
3616 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3617 this one "max-flow-memory-locations".
3619 2006-04-27 Richard Guenther <rguenther@suse.de>
3621 PR tree-optimization/25148
3622 * tree-vrp.c (compare_values): Remove code dealing with
3623 comparisons against type min/max value. Honour overflow
3624 and negative constants in code dealing with comparisons
3625 of plus and minus expressions.
3626 (value_inside_range): Use fold_binary with LE_EXPR and
3627 GE_EXPR rather than compare_values.
3629 2006-04-27 Dirk Mueller <dmueller@suse.de>
3631 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3634 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3636 * basic-block.h (safe_insert_insn_on_edge): Removed.
3637 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3639 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3640 Paolo Bonzini <bonzini@gnu.org>
3643 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3644 (simplify_and_const_int): Same.
3646 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3648 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3650 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3653 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3654 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3655 cgraph_global_info_ready.
3658 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3661 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3662 either decl or init is error_mark_node.
3665 * tree-flow.h (struct omp_region): Add sched_kind.
3666 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3667 instead of extracting omp for data.
3668 (expand_omp_for): Save extracted sched_kind.
3670 2006-04-25 Roger Sayle <roger@eyesopen.com>
3672 * expmed.c (store_bit_field): Also check whether the bitsize is
3673 valid for the machine's "insv" instruction before moving the
3674 target into a pseudo for use with the insv.
3675 * config/i386/predicates.md (const8_operand): New predicate.
3676 * config/i386/i386.md (extv, extzv, insv): Use the new
3677 const8_operand predicate where appropriate.
3679 2006-04-25 DJ Delorie <dj@redhat.com>
3681 * doc/install.texi (Specific): Clarify that this is not a list of
3682 supported hosts or targets.
3684 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3686 PR rtl-optimization/26725
3687 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3688 block's BB_DIRTY flag.
3690 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3692 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3695 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3696 to print an integer.
3698 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3700 * varasm.c (align_variable): New function.
3701 (get_block_for_decl): Apply align_variable to DECL before
3702 calculating section information.
3703 (assemble_variable): Split out alignment computation.
3705 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3707 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3710 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3712 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3713 MODE_PARTIAL_INT mode.
3714 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3715 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3717 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3718 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3720 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3722 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3724 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3725 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3726 MACFLAG_IH): Likewise.
3727 (movstricthi_1): Renamed from "*movstricthi".
3728 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3729 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3730 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3731 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3732 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3733 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3734 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3735 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3736 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3737 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3738 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3739 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3740 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3741 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3742 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3744 * doc/rtl.texi (ss_ashift): Improve wording.
3746 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3748 * dwarf2out.c (verify_marks_clear): New.
3749 (prune_unused_types): Call verify_marks_clear initially, not
3752 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3754 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3755 * doc/rtl.texi: Document them.
3756 * simplify-rtx.c (simplify_unary_operation,
3757 simplify_binary_operation_1): Don't abort when we see them.
3759 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3762 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3763 * configure.ac: Completely disregard languages that are not
3765 * configure: Regenerated.
3767 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3768 Richard Guenther <rguenther@suse.de>
3770 PR tree-optimization/27236
3771 * tree-inline.c (copy_body_r): Make sure to copy
3772 TREE_THIS_VOLATILE flag.
3774 2006-04-24 Richard Guenther <rguenther@suse.de>
3777 * tree-complex.c (update_parameter_components): Don't handle
3778 unused parameters which have no default def.
3780 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3781 Richard Guenther <rguenther@suse.de>
3783 PR tree-optimization/27218
3784 * tree-inline.c (expand_call_inline): Strip useless type
3785 conversions for the return slot address.
3787 2006-04-24 Richard Guenther <rguenther@suse.de>
3789 * cfgloop.h (struct loops): Remove unused field array. Reorder
3791 (LOOP_PREFETCH): Remove.
3793 2006-04-24 Richard Guenther <rguenther@suse.de>
3795 PR tree-optimization/22525
3796 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3797 variable, adjust types of generated expressions.
3799 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3801 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3802 (tree-vect-patterns.o): Likewise.
3804 (cselib.o): Likewise.
3805 (loop-doloop.o): Likewise.
3806 (regclass.o): Likewise.
3807 (reload1.o): Likewise.
3808 (explow.o): Replace target.h with $(TARGET_H).
3809 (ipa-prop.o): Likewise.
3810 (ipa-cp.o): Likewise.
3811 (ipa-inline.o): Likewise.
3812 (reorg.o): Likewise.
3813 (reg-stack.o): Likewise.
3815 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3817 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3819 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3821 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3823 * configure.ac: Completely disregard languages that are not
3825 * configure: Regenerated.
3828 * c-common.h (c_build_bitfield_integer_type): Declare.
3829 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3830 * c-common.c (c_build_bitfield_integer_type): ... here.
3832 2006-04-23 Roger Sayle <roger@eyesopen.com>
3835 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3836 a SImode SUBREG of a floating point register after no_new_pseudos.
3838 2006-04-23 Roger Sayle <roger@eyesopen.com>
3840 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3841 identify potentially eliminable registers to additionally catch
3842 VIRTUAL_INCOMING_ARGS_REGNUM.
3843 (addsi3): Update the conditions on when to use addsi_small_int.
3845 2006-04-23 Roger Sayle <roger@eyesopen.com>
3848 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3849 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3850 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3852 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3854 * fold-const.c (range_predecessor): Use operand_equal_p
3855 as the predicate for equality.
3856 (range_successor): Likewise.
3858 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3861 * config/soft-fp/op-common.h: Fix a typo.
3863 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3866 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3867 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3869 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3871 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3873 * doc/tm.texi: Fix a typo.
3875 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3877 * dwarf2out.c (struct die_struct): Document that die_sib makes
3878 a circular linked list.
3879 (FOR_EACH_CHILD): New.
3880 (reverse_die_lists): Delete.
3881 (reverse_all_dies): Delete.
3882 (add_dwarf_attr): Correct documentation.
3883 (remove_child_with_prev): New.
3884 (remove_child_TAG): Update for change to die_struct, use
3885 remove_child_with_prev.
3886 (add_child_die): Update for change to die_struct.
3887 (splice_child_die): Use remove_child_with_prev and add_child_die.
3888 (print_die): Use FOR_EACH_CHILD.
3889 (die_checksum): Likewise.
3890 (assign_symbol_names): Likewise.
3891 (output_location_lists): Likewise.
3892 (build_abbrev_table): Likewise.
3893 (calc_die_sizes): Likewise.
3894 (mark_dies): Likewise.
3895 (unmark_dies): Likewise.
3896 (unmark_all_dies): Likewise.
3897 (output_die): Likewise.
3898 (prune_unused_types_mark): Likewise.
3899 (prune_unused_types_walk): Likewise.
3900 (same_die_p): Update for change to die_struct.
3901 (break_out_includes): Likewise.
3902 (prune_unused_types_prune): Likewise.
3903 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3904 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3906 (dwarf2out_finish): Don't call reverse_all_dies.
3908 2006-04-21 Eric Christopher <echristo@apple.com>
3910 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3911 in comments and function names.
3913 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3916 * c-typeck.c (digest_init): Robustify.
3918 * c-typeck.c (pop_init_level): Simplify.
3920 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3922 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3924 2006-04-21 Paul Brook <paul@codesourcery.com>
3926 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3927 hardware floating point.
3929 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3931 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3934 2006-04-21 Nick Clifton <nickc@redhat.com>
3936 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3939 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3942 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3943 C++ lang type in traceback table for Objective-C++.
3945 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3947 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3949 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3951 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3954 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3955 were errors. Remove check for erroneous objects.
3957 2006-04-20 Jeff Law <law@redhat.com>
3959 PR tree-optimization/26854
3960 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3961 checking for zero or one use.
3962 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3963 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3964 * tree-ssa-reassoc.c (negate_value): Similarly.
3965 (reassociate_bb): Similarly.
3967 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3969 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3970 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3971 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3973 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3975 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3976 fp regs if the last fp arg doesn't fit in regs.
3978 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3981 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3982 that the last insn has the REG_INC note.
3984 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3985 Nathan Sidwell <nathan@codesourcery.com>
3988 * stor-layout.c (update_alignment_for_field): Do not align
3990 (place_union_field): Place union field at the start of the union.
3991 (place_field): Move ERROR_MARK check later, and use the current
3992 allocation position to maintain monotonicity.
3994 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3996 * dominance.c: Include timevar.h.
3997 (calculate_dominance_info): Use TV_DOMINANCE.
3998 * timevar.def (TV_DOMINANCE): New timevar.
3999 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4001 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4003 PR rtl-optimization/14261
4004 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4005 move would be an INSV insn.
4006 (noce_process_if_block): Don't optimize if the destination is a
4007 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4009 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4011 * config/s390/s390.md: Add comments with the instructions emitted
4012 by an insn pattern if macros are used.
4014 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4016 PR rtl-optimization/26026
4017 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4018 is a known power of two shifted left a variable amount.
4020 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4022 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4023 to hash table twice when the debug_str section has SECTION_MERGE.
4025 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4027 * config/soft-fp: New directory. From glibc.
4028 * config/soft-fp/t-softfp: New.
4029 * config/soft-fp/README: New.
4030 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4031 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4032 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4033 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4034 * config.gcc: Use rs6000/t-fprules-fpbit or
4035 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4037 * config/rs6000/sfp-machine.h: New. Based on glibc.
4038 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4040 * config/rs6000/t-fprules: Remove fp-bit rules.
4041 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4042 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4043 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4044 (softfp_wrap_start, softfp_wrap_end): New.
4046 2006-04-18 DJ Delorie <dj@redhat.com>
4048 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4050 2006-04-18 Devang Patel <dpatel@apple.com>
4052 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4054 2006-04-18 Nick Clifton <nickc@redhat.com>
4056 * config/sh/t-symbian: Add rule to build sh-c.o
4057 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4058 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4059 (sh_symbian_encode_section_info): Likewise.
4061 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4063 * builtins.c (expand_builtin_strcmp): Cover label definition of
4064 do_libcall with HAVE_cmpstrnsi.
4066 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4068 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4070 * function.h (temp_slot_p): New.
4071 (function): Change the type of x_used_temp_slots to
4072 VEC(temp_slot_p,gc) *.
4074 2006-04-18 Nick Clifton <nickc@redhat.com>
4076 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4077 flag_strength_reduce.
4079 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4081 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4085 Partial revert of revision 112637
4086 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4087 Dale Johannesen <dalej@apple.com>
4090 * regclass.c (struct reg_pref): Update documentation.
4091 (regclass): Set prefclass to NO_REGS if memory is the best option.
4092 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4094 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4096 PR tree-optimization/26821
4097 * tree-ssa-math-opts.c (get_constant_one): New.
4098 (insert_reciprocals): Use it.
4100 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4102 * dwarf2out.c (free_AT): Delete.
4103 (remove_AT): Update string ref counts.
4104 (remove_child_TAG): Don't call free_die.
4106 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4107 or DW_TAG_GNU_EINCL.
4108 (prune_unused_types_walk_attribs): Reset string refcounts.
4109 (prune_unused_types_update_strings): New.
4110 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4111 call free_die. Do call prune_unused_types_update_strings.
4112 (prune_unused_types): Empty debug_str_hash.
4114 2006-04-17 Roger Sayle <roger@eyesopen.com>
4116 * expr.c (expand_assignment): Optimize away no-op moves where the
4117 source and destination are equal and have no side-effects.
4119 2006-04-17 Richard Guenther <rguenther@suse.de>
4122 * reload.c (push_reload): Guard calls to get_secondary_mem
4125 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4127 * alias.c (reg_base_value, old_reg_base_value): Change the
4128 type to VEC(rtx,gc) *.
4129 (REG_BASE_VALUE, find_base_value, record_set,
4130 init_alias_analysis): Use VEC instead of VARRAY.
4132 * alias.c (alias_sets): Change the type to
4133 VEC(alias_set_entry,gc) *.
4134 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4135 VEC instead of VARRAY.
4136 (last_alias_set): Remove.
4138 * cgraph.h (cgraph_edge_p): New.
4139 Update the prototype of cgraph_function_versioning.
4140 * cgraphunit.c (cgraph_copy_node_for_versioning,
4141 cgraph_function_versioning): Use VEC instead of VARRAY.
4142 * ipa-cp.c (ipcp_insert_stage): Likewise.
4144 2006-04-16 Roger Sayle <roger@eyesopen.com>
4147 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4148 "A op B" or "A op C", we may need to convert A to the type of B and C.
4150 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4152 * target.h (struct gcc_target): Add mode_rep_extended.
4153 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4154 (init_num_sign_bit_copies_in_rep): Initialize it using
4156 (truncate_to_mode): Use it.
4157 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4158 * targhooks.h (default_mode_rep_extended): Declare it.
4159 * targhooks.c (default_mode_rep_extended): Define it.
4160 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4161 default_mode_rep_extended.
4162 (TARGET_INITIALIZER): Include it.
4163 * doc/tm.texi (Misc): Document it.
4164 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4165 (mips_truncated_to_mode): New function.
4167 2006-04-16 Roger Sayle <roger@eyesopen.com>
4170 * expr.c (compress_float_constant): Copy the narrow constant into
4171 a new pseudo before extending it to its final width.
4173 2006-04-16 Roger Sayle <roger@eyesopen.com>
4174 Andrew Pinski <pinskia@gcc.gnu.org>
4175 Dale Johannesen <dalej@apple.com>
4178 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4179 special case code to implement V8HImode and V16QImode with SSE2.
4181 2006-04-15 Roger Sayle <roger@eyesopen.com>
4183 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4184 trees are constructed with a suitable tree type.
4186 2006-04-15 Roger Sayle <roger@eyesopen.com>
4188 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4189 (integer_onep): Likewise.
4190 (integer_all_onesp): Likewise.
4191 (integer_pow2p): Likewise.
4192 (integer_nonzerop): Likewise.
4193 (real_zerop): Likewise.
4194 (real_onep): Likewise.
4195 (real_twop): Likewise.
4196 (real_minus_onep): Likewise.
4197 (int_size_in_bytes): Likewise.
4198 (host_integerp): Likewise.
4200 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4202 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4203 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4204 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4206 * tree-ssa-structalias.h (alias_info): Remove num_references.
4208 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4210 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4211 (output_bvb patterns): Likewise.
4212 * pa.c (output_bb): Use 'bb' insn for long branch case.
4213 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4214 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4215 1. Correct length operand for alternatives 1 and 2.
4216 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4217 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4219 2006-04-14 Roger Sayle <roger@eyesopen.com>
4221 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4222 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4223 were accidentally reverted by r112959.
4225 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4228 * except.h (eh_region_outermost): New prototype.
4229 * except.c (eh_region_outermost): New function.
4230 * tree-cfg.c (find_outermost_region_in_block): Use it.
4232 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4234 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4236 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4237 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4238 (init_reload, reload): Use VEC instead of VARRAY.
4239 * reload.h: Update the prototype for
4240 reg_equiv_memory_loc_varray.
4242 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4243 Eric Botcazou <ebotcazou@libertysurf.fr>
4245 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4248 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4251 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4252 to expand fallback builtin function call.
4254 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4257 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4258 and emit libcall here in case the builtin fails.
4259 (expand_builtin_strcmp): Always emit the libcall here on failure.
4261 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4263 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4264 * flow.c (reg_n_info): Change the type to
4265 VEC(reg_info_p,heap) *.
4266 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4268 * regs.h (reg_info_p): New.
4269 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4270 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4271 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4274 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4276 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4278 * params.h (MAX_SCHED_READY_INSNS): New macro.
4279 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4280 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4281 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4282 the ready list for 1 cycle during the first scheduling pass.
4283 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4285 2006-04-13 Richard Henderson <rth@redhat.com>
4288 * gimple-low.c (lower_omp_directive): Remove dead code.
4289 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4290 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4291 * omp-low.c (struct omp_region): Move to tree-flow.h.
4292 (root_omp_region): Export.
4293 (omp_regions, lookup_omp_region): Remove.
4294 (determine_parallel_type): Update for struct omp_region changes.
4295 (dump_omp_region): Dump regions with block numbers.
4296 (new_omp_region): Take type and block instead of stmt; malloc
4298 (free_omp_region_1, free_omp_regions): New.
4299 (expand_parallel_call): Take entry_stmt as argument; update for
4300 changes to omp_region.
4301 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4302 (remove_exit_barriers): New.
4303 (expand_omp_parallel): Update for struct omp_region changes.
4304 (expand_omp_synch): Likewise.
4305 (expand_omp): Likewise.
4306 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4307 (expand_omp_for_static_chunk): Likewise.
4308 (expand_omp_for): Likewise.
4309 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4310 (expand_omp_sections): Similarly, with GOMP_sections_end.
4311 (expand_omp_single): New.
4312 (build_omp_regions_1): Update for OMP_CONTINUE.
4313 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4314 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4315 OMP_SECTIONS_SECTIONS.
4316 (lower_omp_single_simple): Don't emit barrier here.
4317 (lower_omp_single_copy): Likewise.
4318 (lower_omp_single): Fix bindings, and lower to straightline now.
4319 (lower_omp_master, lower_omp_ordered): Likewise.
4320 (lower_omp_critical): Likewise.
4321 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4322 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4323 omp edges, free it afterward.
4324 (make_omp_sections_edges): Remove.
4325 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4326 (move_stmt_r): Handle OMP_CONTINUE.
4327 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4328 statement pointers to basic blocks. Add type member.
4329 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4330 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4331 * tree-inline.c (estimate_num_insns_1): Likewise.
4332 * tree-pretty-print.c (dump_generic_node): Likewise.
4333 * tree-ssa-operands.c (get_expr_operands): Likewise.
4334 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4335 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4336 (OMP_CONTINUE): New.
4337 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4338 (OMP_SECTIONS_SECTIONS): Remove.
4339 (OMP_SECTION_LAST): New.
4340 (OMP_RETURN_NOWAIT): New.
4342 2006-04-13 Roger Sayle <roger@eyesopen.com>
4344 * fold-const.c (native_encode_vector, native_interpret_real):
4345 Correct obvious mistakes in the previous check-in.
4347 2006-04-13 Roger Sayle <roger@eyesopen.com>
4349 * fold-const.c (native_encode_expr): New function to encode
4350 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4351 or VECTOR_CST into a specified buffer.
4352 (native_encode_int): New function.
4353 (native_encode_real): New function.
4354 (native_encode_complex): New function.
4355 (native_encode_vector): New function.
4356 (native_interpret_expr): Inverse of native_encode_expr to convert
4357 a target representation into an INTEGER_CST, REAL_CST etc...
4358 (native_interpret_int): New function.
4359 (native_interpret_real): New function.
4360 (native_interpret_complex): New function.
4361 (native_interpret_vector): New function.
4362 (fold_view_convert_expr): New function to constant fold/evaluate
4363 a VIEW_CONVERT_EXPR of a suitable constant expression.
4364 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4365 Change call of build1 to fold_build1 when constructing a
4368 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4369 Ulrich Weigand <uweigand@de.ibm.com>
4372 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4375 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4378 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4379 optimize to lo_sum for DFmode if !TARGET_FPRS.
4381 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4383 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4384 delete_alias_info, compute_flow_sensitive_aliasing,
4385 group_aliases): Use VEC instead of VARRAY.
4386 * tree-ssa-structalias.c (update_alias_info): Likewise.
4387 * tree-ssa-structalias.h (alias_info): Change the type of
4388 processed_ptrs to VEC(tree,heap) *.
4390 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4393 * config/sh/lib1funcs.h: New file, broken out of:
4394 * config/sh/lib1funcs.asm.
4395 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4397 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4398 * config/sh/lib1funcs-Os-4-200.asm: New file.
4399 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4400 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4401 (EXTRA_MULTILIB_PARTS): Include it.
4402 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4403 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4404 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4405 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4408 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4410 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4411 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4412 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4414 * tree-ssa-live.h: Include vecprim.h.
4415 (tree_partition_associator_d): Change the type of
4416 first_partition to VEC(int,heap) *.
4417 (tpa_first_partition): Use VEC instead of VARRAY.
4419 * Makefile.in (GTFILES): Move functions.h after tree.h.
4420 * function.c (reset_block_changes, record_block_change,
4421 check_block_change, free_block_changes): Use VEC instead of
4423 * function.h (function): Change the type of
4424 ib_boundaries_block to VEC(tree,gc) *.
4425 * tree-inline.c (copy_cfg_body): Initialize
4426 ib_boundaries_block to NULL instead of (varray_type) 0.
4428 2006-04-12 Roger Sayle <roger@eyesopen.com>
4430 * expr.c (emit_group_store): Correct operand order in call to
4431 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4432 a SUBREG_BYTE of zero.
4434 2006-04-12 Richard Guenther <rguenther@suse.de>
4436 * profile.c (compute_branch_probabilities): Remove code
4437 encapsulated in !ir_type (), which are remanents of the
4438 removed RTL profiling code.
4439 * rtl-profile.c: Remove.
4441 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4443 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4444 magic NULL_RTX comment.
4445 (function_arg): Store entire fp arg to mem if any part should go
4447 (rs6000_arg_partial_bytes): Adjust for above change.
4449 2006-04-11 Roger Sayle <roger@eyesopen.com>
4451 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4452 if it hasn't been initialized by dwarf2out_init.
4454 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4456 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4457 symbolic constants in branch patterns.
4459 2006-04-11 Roger Sayle <roger@eyesopen.com>
4461 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4463 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4465 PR rtl-optimization/27073
4466 * gcse.c (try_replace_reg): Revert last change. Continue to search
4467 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4470 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4472 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4473 aggregate types other than record and union types.
4474 (function_arg): Likewise.
4475 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4477 (function_value): In 64-bit mode, return objects that require it
4480 2006-04-11 Roger Sayle <roger@eyesopen.com>
4482 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4484 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4486 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4488 2006-04-03 Jeff Law <law@redhat.com>
4491 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4492 alias information too.
4494 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4496 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4498 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4501 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4502 (premark_used_types_helper): New.
4503 (premark_used_types): New.
4504 (gen_subprogram_die): Call premark_used_types.
4505 (prune_unused_types_walk): Do not prune perennial dies.
4506 * function.c (used_types_insert): New.
4507 * function.h (struct function): Add used_types_hash field.
4508 (used_types_insert): Add prototype.
4509 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4510 * c-parser.c (c_parser_cast_expression): Save casted types in used
4513 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4516 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4517 rs6000_explicit_options.float_gprs.
4519 2006-04-10 Roger Sayle <roger@eyesopen.com>
4521 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4522 from ix86_expand_vector_init_low_nonzero. Take an additional
4523 one_var argument indicating which element is non-zero. Support
4524 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4525 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4526 with one_var instead of ix86_expand_vector_init_low_nonzero.
4528 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4530 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4531 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4532 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4533 build/genextract.o): Depend on vecprim.h.
4534 * cfglayout.c, df-problems.c, function.c, genextract.c,
4535 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4536 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4540 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4542 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4543 Declare VECs of this type.
4544 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4545 (remove_children): Delete.
4546 (add_dwarf_attr): Use VEC routines.
4547 (add_AT_flag): Update for changes to add_dwarf_attr.
4548 (add_AT_int): Likewise.
4549 (add_AT_unsigned): Likewise.
4550 (add_AT_long_long): Likewise.
4551 (add_AT_vec): Likewise.
4552 (add_AT_string): Likewise.
4553 (add_AT_die_ref): Likewise.
4554 (add_AT_fde_ref): Likewise.
4555 (add_AT_loc): Likewise.
4556 (add_AT_loc_list): Likewise.
4557 (add_AT_addr): Likewise.
4558 (add_AT_lbl_id): Likewise.
4559 (add_AT_lineptr): Likewise.
4560 (add_AT_macptr): Likewise.
4561 (add_AT_offset): Likewise.
4562 (add_AT_range_list): Likewise.
4563 (get_AT): Use VEC_iterate.
4564 (remove_AT): Use VEC_ordered_remove.
4565 (free_die): Fold remove_children into here; have it use VEC_iterate.
4566 (print_die): Use VEC_iterate on attrs.
4567 (reverse_die_lists): Don't reverse attr lists.
4568 (die_checksum): Use VEC_iterate on attrs.
4569 (same_die_p): Likewise.
4570 (output_location_lists): Likewise.
4571 (build_abbrev_table): Likewise.
4572 (size_of_die): Likewise.
4573 (unmark_all_dies): Likewise.
4574 (output_abbrev_section): Likewise.
4575 (output_die): Likewise.
4576 (prune_unused_types_walk_attribs): Likewise.
4578 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4580 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4582 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4585 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4587 2006-04-09 Roger Sayle <roger@eyesopen.com>
4589 * expr.c (store_constructor): Don't bother clearing target if
4590 we're about to assign a vector to it using vec_init_optab.
4592 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4594 * tree-ssa-alias.c (lhs_may_store_to): New function.
4595 (recalculate_used_alone): Handle LHS of calls.
4597 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4601 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4602 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4603 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4604 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4605 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4606 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4607 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4608 stubs. Add ".align 8" directives before all ".dword" directives.
4609 (GTHREAD_USE_WEAK): Revise comment.
4610 (TARGET_ATTRIBUTE_WEAK): Define.
4611 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4612 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4613 * stublib.c: New file.
4618 * pa.md (cbranch patterns): Revise arguments used in calls to
4619 output_cbranch, output_bb and output_bvd. Add long branch length
4621 (fbranch patterns): Handle long branches.
4622 (jump): Revise length check. Revise arguments for output_lbranch call.
4623 Add long branch length attributes.
4624 (decrement_and_branch_until_zero): Add long branch length attributes.
4625 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4626 Likewise. Revise arguments for output_parallel_addb and
4627 output_parallel_movb calls.
4628 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4629 output_parallel_movb and output_parallel_addb): Update prototypes.
4630 * pa.c (output_cbranch): Revise arguments. Correct handling of
4631 nullification in long branches.
4632 (output_lbranch): Add new argument to control extraction of delay
4634 (output_bb): Handle long branches.
4635 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4636 output_parallel_addb): Likewise.
4638 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4640 PR rtl-optimization/27073
4641 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4644 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4646 * tree.h (tree_memory_tag): Add old_used_alone.
4647 (SMT_OLD_USED_ALONE): New macro.
4648 * tree-ssa-alias.c (recalculate_used_alone): Stop
4649 marking things for renaming unnecessarily.
4651 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4653 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4654 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4655 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4656 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4657 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4658 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4659 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4660 spelling convensions.
4661 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4662 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4663 typos. Follow spelling conventions.
4665 2006-04-07 DJ Delorie <dj@redhat.com>
4667 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4668 passed on the stack.
4669 (m32c_init_cumulative_args): When a function returns a structure,
4670 always pass the pointer to that return area on the stack.
4671 (m32c_function_arg_advance): Don't increment the parameter number
4672 if we're processing the returned structure pointer.
4673 (pushm_info): Reverse order of registers.
4675 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4677 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4678 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4679 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4680 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4682 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4683 chrec_fold_multiply): Same.
4684 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4685 force_expr_to_var_cost): Same.
4686 * tree-mudflap.c (mf_xform_derefs_1): Same.
4687 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4689 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4691 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4692 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4695 2006-04-07 Jan Hubicka <jh@suse.cz>
4697 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4699 2006-04-07 Richard Guenther <rguenther@suse.de>
4701 PR tree-optimization/26135
4702 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4703 loads for store copy-prop.
4704 (copy_prop_visit_stmt): Likewise.
4706 2006-04-05 Robert Millan <robertmh@gnu.org>
4708 * config/i386/linux.h: Add a comment to mark macros that are
4709 being overriden in config/k*bsd-gnu.h.
4710 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4712 * config/knetbsd-gnu.h: Ditto.
4714 2006-04-06 Jan Hubicka <jh@suse.cz>
4718 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4721 2006-04-06 Mike Stump <mrs@apple.com>
4723 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4724 for HAVE_nonlocal_goto to be consistent.
4725 (expand_builtin_nonlocal_goto): Likewise.
4726 (expand_builtin_strcmp): Use #ifdef instead of #if
4727 for HAVE_cmpstrnsi to be consistent.
4729 2006-04-05 DJ Delorie <dj@redhat.com>
4731 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4734 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4736 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4737 got-relative addressing for anything but SImode.
4739 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4740 even if the calling function doesn't modify them.
4742 2006-04-05 Richard Guenther <rguenther@suse.de>
4744 PR tree-optimization/26919
4745 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4746 to cgraph_estimate_size_after_inlining.
4748 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4750 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4752 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4754 PR tree-optimization/26996
4755 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4756 VECTOR_TYPE variables.
4758 2006-04-05 Richard Guenther <rguenther@suse.de>
4760 PR tree-optimization/26763
4761 * fold-const.c (fold_comparison): Move folding of
4762 PTR + CST CMP PTR + CST ...
4763 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4765 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4767 * doc/install.texi (Prerequisites): Refine some wording on
4768 bootstrapping and ksh.
4769 Move the version numbers of DejaGnu here from the testing section
4770 and fix casing of names.
4771 Fix markup and clarify wording for autogen requirements.
4772 Refer to GCJ instead of just java.
4773 Refer to SVN instead of CVS.
4774 Describe diffutils as useful instead of necessary.
4775 (Downloading the source): Refer to SVN instead of CVS.
4776 Adjust a link to our web site accordingly.
4777 (Configuration): Fix casing of Bison.
4778 (Building): Refer to SVN instead of CVS.
4779 Fix a sentence on the use of Bison and remove duplicate (and
4780 incorrect) version number of Bison requirement.
4781 Remove one redundant list of packages needed for building.
4782 (Specific): Avoid reference to CVS.
4784 2006-04-04 Eric Christopher <echristo@apple.com>
4786 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4787 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4788 (rs6000_handle_struct_attribute): New.
4789 (rs6000_ms_bitfield_layout_p): Ditto.
4791 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4793 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4794 NULL for dso parameter to atexit_common.
4796 2006-04-04 Eric Christopher <echristo@apple.com>
4798 * config/i386/i386.c (machopic_output_stub): Output \t
4799 between instructions and operands.
4801 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4803 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4804 satisfies_constraint_[IL] to explicit tests on value.
4806 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4808 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4809 set_nb_iterations_in_loop): Use build_int_cst instead of
4811 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4812 build_int_cst instead of convert.
4814 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4816 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4817 new value 2 for incoming.
4818 * function.c (expand_function_start): Call struct_value_rtx
4820 * config/sparc/sparc.md: Comment updated_return.
4821 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4822 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4823 struct return if sparc_std_struct_return and incoming is 2.
4824 (print_operand): Do not adjust return if
4825 sparc_std_struct_return.
4827 2006-04-04 Roger Sayle <roger@eyesopen.com>
4829 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4830 convert in the middle-end.
4831 * expr.c (store_expr, store_constructor, get_inner_reference,
4832 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4834 * tree.c (build_range_type): Likewise.
4836 2006-04-04 Tom Tromey <tromey@redhat.com>
4838 * doc/install.texi (Prerequisites): Mention jar.
4840 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4842 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4845 2006-04-04 Matthias Klose <doko@debian.org>
4847 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4848 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4851 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4853 * doc/extend.texi (Function Attributes): Rewrite visibility
4854 attribute documentation.
4855 * doc/invoke.texi (C++ Dialect Options): Rewrite
4856 -fvisibility-inlines-hidden documentation to describe something
4857 entirely different, although in practise compatible.
4858 (Code Gen Options): Warn about system headers in -fvisibility=
4861 * doc/extend.texi (Other Builtins): Document that
4862 __builtin_nan is a compile-time constant only when its argument
4865 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4867 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4868 trying to remove TRUNCATE check if all bits outside the new mode
4869 are identical to the sign bit.
4871 2006-04-03 Jeff Law <law@redhat.com>
4873 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4874 and operand scanning in some common cases.
4876 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4877 Dale Johannesen <dalej@apple.com>
4880 * regclass.c (struct reg_pref): Update documentation.
4881 (regclass): Set prefclass to NO_REGS if memory is the best option.
4882 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4883 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4884 into account. For non-registers, equate an empty preferred
4885 reload class to a `!' in the constraint; move the if clause to
4886 do so after those that reject the insn.
4887 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4889 (find_dummy_reload): Likewise.
4890 * doc/tm.texi (Register Classes): Document what it means
4891 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4892 * config/i386/i386.c (ix86_preferred_reload_class): Force
4893 using SSE registers (and return NO_REGS for floating-point
4894 constants) if math is done with SSE.
4895 (ix86_preferred_output_reload_class): New.
4896 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4897 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4898 * config/i386/i386.md: Remove # register preferences.
4900 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4903 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4904 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4905 the type of nb_iter.
4906 (instantiate_parameters_1): Convert the operands before calling
4907 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4908 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4910 2006-04-02 Roger Sayle <roger@eyesopen.com>
4912 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4913 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4915 * dojump.c (do_jump): Likewise.
4916 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4917 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4918 gimplify_boolean_expr): Likewise.
4919 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4920 * varasm.c (array_size_for_constructor): Likewise.
4921 * tree-object-size.c (compute_object_offset): Likewise.
4923 2006-04-02 Roger Sayle <roger@eyesopen.com>
4926 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4927 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4929 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4931 PR tree-optimization/26939
4932 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4934 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4936 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4937 at_stmt. Convert the type of operands before calling
4938 build_polynomial_chrec.
4939 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4941 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4942 (instantiate_parameters_1): Convert the type of operands before calling
4943 build_polynomial_chrec.
4944 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4945 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4946 reset_evolution_in_loop): Insert asserts to check the types of the
4948 (chrec_type): Moved...
4949 (eq_evolutions_p): Use operand_equal_p.
4950 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4951 the types of the operands.
4952 (chrec_type): ...here.
4953 * tree-data-ref.c (create_data_ref): Convert the operands before
4954 calling chrec_replace_initial_condition.
4955 (same_access_functions, analyze_subscript_affine_affine,
4956 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4957 (compute_subscript_distance, analyze_ziv_subscript,
4958 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4959 analyze_miv_subscript): Convert the operands before calling
4960 chrec_fold_minus or chrec_fold_plus.
4962 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4964 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4965 the dependence_relations vector.
4966 (compute_data_dependences_for_loop): Adjust call to
4967 compute_all_dependences.
4969 2006-04-01 Roger Sayle <roger@eyesopen.com>
4970 Richard Henderson <rth@redhat.com>
4972 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4973 gimple_boolify on the condition before calling gimplify_expr.
4975 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4977 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4978 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4979 the frame size. Update to use the new macros.
4980 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4981 * config/xtensa/ieee754-df.S: Likewise.
4983 2006-03-31 Richard Henderson <rth@redhat.com>
4985 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4986 (make_edges): ... here. Control fallthru creation with a local
4987 variable. Do not play with fake edges.
4988 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4989 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4992 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4994 * dwarf2.h (DW64_CIE_ID): Define.
4995 * dwarf2out.c (DWARF_CIE_ID): Define.
4996 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4997 length header. Use DWARF_CIE_ID.
4998 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4999 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5001 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5003 * config/sh/linux-atomic.asm: New file.
5004 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5006 2006-03-31 DJ Delorie <dj@redhat.com>
5008 * config/m32c/cond.md: Set condition flags properly throughout.
5009 * config/m32c/minmax.md: Likewise.
5010 * config/m32c/prologue.md: Likewise.
5011 * config/m32c/bitops.md: Likewise.
5012 * config/m32c/muldiv.md: Likewise.
5013 * config/m32c/mov.md: Likewise.
5014 * config/m32c/addsub.md: Likewise.
5015 * config/m32c/m32c.md: Likewise.
5016 * config/m32c/jump.md: Likewise.
5017 * config/m32c/shift.md: Likewise.
5019 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5020 conditionally output the pattern for this.
5021 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5022 (m32c_compare_redundant): New.
5023 (m32c_output_compare): New.
5024 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5026 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5027 dest, not src. Allow other 4-byte modes.
5029 2006-03-30 Denis Chertykov <denisc@overta.ru>
5031 * doc/md.texi: Refer to avr/constraints.md instead of
5034 2006-03-30 Roger Sayle <roger@eyesopen.com>
5036 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5037 signed vs. unsigned comparison failures on some hosts.
5039 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5042 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5043 change to FLOAT_REGS.
5045 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5046 (rs6000_override_options): Use it.
5047 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5048 only for -mabi=spe/no-spe and -mabi=altivec.
5050 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5052 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5055 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5057 * Makefile.in: Rename docdir to gcc_docdir.
5059 2006-03-30 Roger Sayle <roger@eyesopen.com>
5062 * expr.c (emit_group_store): Optimize group stores into a pseudo
5063 register by using a paradoxical subreg to initialize the destination
5064 if the first or last member of the group specifies a "low part".
5066 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5069 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5070 * target.h (struct gcc_target.speculate_insn): Change type of the
5071 second parameter to 'int'.
5072 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5073 the second operand of the DEPS_LIST.
5074 (copy_DEPS_LIST_list): Update reference to the second operand of the
5076 * rtl.h (alloc_DEPS_LIST): Update signature.
5077 * sched-int.h (ds_t): Change typedef to 'int'.
5078 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5080 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5082 * haifa-sched.c (try_ready): Change condition to restore
5083 non-speculative pattern of the instruction.
5084 (process_insn_depend_be_in_spec): Code to keep probability of the
5085 speculative dependence non-decreasing.
5087 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5089 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5090 (single_move_for_movmem): ... this. Also change all uses.
5091 (bfin_expand_strmov): Renamed to...
5092 (bfin_expand_movmem): ... this. Also change all uses.
5093 * config/bfin/bfin.md (movstrsi): Renamed to...
5094 (movstrsi): ...this.
5096 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5098 PR tree-optimization/26830
5100 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5101 (copy_prop_visit_stmt): Remove write-only variable ann.
5102 (init_copy_prop): Check variable loop depth here. Do not simulate
5103 memory-tag and virtual operand PHIs except for store copy prop.
5105 2006-03-30 Richard Guenther <rguenther@suse.de>
5107 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5108 variants with double arguments.
5110 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5112 * genpreds.c (write_tm_constrs_h): Delete variable p.
5113 * genconditions.c (write_header): Add tm-constrs.h to included
5115 * genpeep.c (main): Add toplev.h to included headers.
5116 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5117 (build/genpeep.o): Add toplev.h dependency.
5118 * config/rs6000/constraints.md: Add "W" constraint.
5120 2006-03-29 Roger Sayle <roger@eyesopen.com>
5122 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5123 sizes by correctly testing whether the size fits a host integer.
5124 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5125 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5126 SImode range for the default sizetype and bitsizetype.
5128 2006-03-29 Roger Sayle <roger@eyesopen.com>
5130 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5131 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5132 quickly if the argument is already of the correct type.
5133 Call fold_build1 instead of build1. Tidy up blank lines.
5135 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5137 * genemit.c (main): Add tm-constrs.h to included headers.
5138 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5139 * genpeep.c (main): Add tm-constrs.h to included headers.
5140 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5141 (write_tm_constrs_h): this and write complete file.
5142 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5143 (write_insn_preds_c): Add tm-constrs.h to included headers.
5144 (gen_constrs): New variable.
5145 (parse_option): Parse "-c".
5146 (main): Invoke write_tm_constrs_h.
5147 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5148 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5149 (object_out_file): Add tm-constrs.h dependency.
5150 (insn-emit.o): Same.
5151 (insn-output.o): Same.
5152 (insn-peep.o): Same.
5153 (insn-preds.o): Same.
5154 (insn-recog.o): Same.
5155 (tm-constsr.h): New target.
5156 (s-constrs-h): New target.
5158 * config/rs6000/constraints.md: New file.
5159 * config/rs6000/rs6000.c: Include tm-constrs.h.
5160 (num_insn_constant_wide): Convert to satisfies_constraint.
5161 (rs6000_rtx_costs): Convert to satisfies_constraint.
5162 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5163 (CONST_OK_FOR_LETTER_P): Delete.
5164 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5165 (EXTRA_CONSTRAINT): Delete.
5166 (EXTRA_MEMORY_CONSTRAINT): Delete.
5167 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5168 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5169 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5170 satisfies_constraint.
5172 * config/i386/i386.c: Include tm-constrs.h.
5174 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5176 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5177 * tree-data-ref.c (find_data_references_in_loop,
5178 compute_data_dependences_for_loop): Use pointers to VEC.
5179 (analyze_all_data_dependences): Adjust calls.
5180 * tree-data-ref.h (find_data_references_in_loop,
5181 compute_data_dependences_for_loop): Adjust declarations.
5182 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5183 compute_data_dependences_for_loop.
5185 2006-03-29 Paul Brook <paul@codesourcery.com>
5187 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5190 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5192 PR tree-optimization/26859
5193 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5195 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5196 for the step after fold_convert.
5198 2006-03-29 Paul Brook <paul@codesourcery.com>
5200 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5201 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5203 2006-03-29 Paul Brook <paul@codesourcery.com>
5206 * targhooks.c (default_narrow_bitfield): New fuction.
5207 * targhooks.h (default_narrow_bitfield): add prototype.
5208 * target.h (gcc_target): Add narrow_volatile_bitfield.
5209 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5210 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5211 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5212 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5214 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5216 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5218 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5219 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5220 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5221 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5222 (s390_function_arg_float): Allow SDmode and DDmode values to be
5223 passed in floating point registers.
5224 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5225 check with SCALAR_FLOAT_MODE_P.
5226 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5228 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5230 PR tree-optimization/25985
5231 * tree-ssa-loop-niter.c (number_of_iterations_le,
5232 number_of_iterations_ne): Make comments more precise.
5233 (number_of_iterations_cond): Add only_exit argument. Use the
5234 fact that signed variables do not overflow only when only_exit
5236 (loop_only_exit_p): New.
5237 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5238 number_of_iterations_cond.
5240 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5242 PR tree-optimization/26643
5243 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5246 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5248 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5249 (divsi3_i4_int): Likewise.
5251 2006-03-28 Roger Sayle <roger@eyesopen.com>
5253 * expr.c (emit_group_store): Only create a new pseudo reg if the
5254 quantity it needs to hold isn't already a suitable pseudo.
5256 2006-03-28 Jeff Law <law@redhat.com>
5258 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5259 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5261 2006-03-28 Roger Sayle <roger@eyesopen.com>
5263 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5264 the equivalent ~X & Y, and the symmetry related transformations.
5265 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5266 ~X & Y, and symmetry related transforms.
5268 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5270 Revert my 2006-03-27 patches.
5272 2006-03-28 Roger Sayle <roger@eyesopen.com>
5274 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5275 ~(T1)X, when T1 and T2 are integer types of the same precision
5276 and (T2)X isn't an extension.
5278 2006-03-28 Jeff Law <law@redhat.com>
5280 PR tree-optimization/26796
5281 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5282 need EH edge cleanups rather than purging them immediately.
5283 (eliminate_degenerate_phis): Handle queued EH cleanups.
5285 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5287 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5290 2006-03-27 Roger Sayle <roger@eyesopen.com>
5293 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5294 cast BIT_NOT_EXPR operand to the correct type.
5296 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5298 * tree-loop-linear.c: Don't include varray.h.
5299 (gather_interchange_stats, try_interchange_loops,
5300 linear_transform_loops): Use VEC instead of VARRAY.
5301 * lambda-mat.c: Don't include varray.h.
5302 * tree-chrec.c: Same.
5303 * lambda-trans.c: Same.
5304 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5305 VEC instead of VARRAY.
5306 * tree-vectorizer.h: Idem.
5307 * tree-data-ref.c (dump_data_references,
5308 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5309 initialize_data_dependence_relation, finalize_ddr_dependent,
5310 compute_all_dependences, find_data_references_in_loop,
5311 compute_data_dependences_for_loop, analyze_all_data_dependences,
5312 free_dependence_relation, free_dependence_relations,
5313 free_data_refs): Idem.
5314 * tree-data-ref.h (data_reference_p, subscript_p): New.
5315 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5316 VEC instead of VARRAY.
5317 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5318 (find_data_references_in_loop, compute_data_dependences_for_loop,
5319 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5320 dump_data_dependence_relations, free_dependence_relations,
5321 free_data_refs): Adjust declaration.
5322 (lambda_transform_legal_p): Move declaration here...
5323 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5324 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5325 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5326 vect_analyze_data_refs): Use VEC instead of VARRAY.
5327 * lambda.h (lambda_transform_legal_p): ...from here.
5328 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5329 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5330 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5331 tree-chrec.o): Don't depend on VARRAY_H.
5333 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5335 * rtl.def (Copyright): Update date.
5336 (DEPS_LIST): Change type of the second operand to 'int'.
5337 * target.h (Copyright): Update date.
5338 (struct gcc_target.speculate_insn): Change type of the second parameter
5340 * lists.c (Copyright): Update date.
5341 (alloc_DEPS_LIST): Change signature. Update reference to the second
5342 operand of the DEPS_LIST.
5343 (copy_DEPS_LIST_list): Update reference to the second operand of the
5345 * rtl.h (Copyright): Update date.
5346 (alloc_DEPS_LIST): Update signature.
5347 * sched-int.h (Copyright): Update date.
5348 (ds_t): Change typedef to 'int'.
5349 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5351 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5353 * haifa-sched.c (Copyright): Update date.
5354 (try_ready): Change condition to restore non-speculative pattern
5356 (process_insn_depend_be_in_spec): Code to keep probability of the
5357 speculative dependence non-decreasing.
5359 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5361 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5362 shut up the compiler.
5364 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5366 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5367 to use lib prefix for target.
5368 ($(T)libic_invalidate_array_4-200.a): Likewise.
5369 ($(T)libic_invalidate_array_4a.a): Likewise.
5371 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5372 J"orn Rennecke <joern.rennecke@st.com>
5374 * superh.opt: New file.
5375 * sh.c (boardtype, osruntime): Remove.
5376 * superh.h (SUBTARGET_OPTIONS): Remove.
5377 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5379 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5380 arguments with ^ and/or [].
5382 * config.gcc (sh-*-*): Add quoting to account for quirk of
5384 Replace == with = in enable_incomplete_targets test.
5386 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5387 with MASK_LITTLE_ENDIAN.
5389 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5390 * config/sh/sh.opt: Added to some comments.
5391 * config/sh/superh.h: Removed some chaff.
5393 * config/sh/sh.opt: Add m4-[1234]00* options.
5394 * config/sh/sh.c (sh_handle_option): Likewise.
5395 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5396 (ic_invalidate_array_4-100.o): New rule.
5397 ($(T)libic_invalidate_array_4-100.a): Likewise.
5398 (ic_invalidate_array_4-200.o): Likewise.
5399 ($(T)libic_invalidate_array_4-200.a): Likewise.
5400 (ic_invalidate_array_4a.o): Likewise.
5401 ($(T)libic_invalidate_array_4a.a): Likewise.
5402 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5403 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5405 * config/sh/crt1.asm: Merged in profiling code.
5406 * config/sh/superh.h (STARTFILE_SPEC): Override.
5407 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5408 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5409 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5411 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5412 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5413 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5415 * sh.opt (mpretend-cmove): New option.
5416 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5417 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5418 (movsicc): Add TARGET_PRETEND_CMOVE code.
5420 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5422 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5423 s390_class_max_nregs): New function prototypes.
5424 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5425 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5426 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5427 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5429 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5431 * dwarf2out.c (add_location_or_const_value_attribute): Call
5432 tree_add_const_value_attribute if nothing else works.
5433 (reference_to_unused): New.
5434 (rtl_for_decl_init): Use reference_to_unused to decide whether
5435 to output an initializer.
5437 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5440 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5441 peephole removing spe frob_di_df_2.
5443 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5445 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5446 (subscript_dependence_tester_1): Declared.
5447 (print_dir_vectors, print_dist_vectors): New.
5448 (debug_data_dependence_relation): New.
5449 (dump_data_dependence_relation): Print more details.
5450 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5451 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5452 (save_dist_v, save_dir_v, add_outer_distances,
5453 build_classic_dist_vector_1): New.
5454 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5455 Don't test for lambda_vector_lexico_pos.
5456 (same_access_functions, add_multivariate_self_dist,
5457 add_other_self_distances, dir_from_dist): New.
5458 (build_classic_dir_vector): Replace implementation almost identical to
5459 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5461 (subscript_dependence_tester_1): New.
5462 (subscript_dependence_tester): Handle the lexicographically negative
5463 distance vectors by recomputing the dependence relation.
5464 (compute_affine_dependence): Remove parameter loop_nest_depth.
5465 (compute_self_dependence): Don't call compute_subscript_distance.
5466 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5467 Add a parameter for the loop_nest.
5468 (find_loop_nest_1, find_loop_nest): New.
5469 (compute_data_dependences_for_loop): Compute the loop nest, and give
5470 up if the nest is not well formed.
5471 * tree-data-ref.h (loop_p): New.
5472 (struct data_dependence_relation): Replace size_vect field with
5473 loop_nest, a vec of loops.
5474 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5475 (DDR_LOOP_NEST): New.
5476 (print_dir_vectors, print_dist_vectors,
5477 debug_data_dependence_relation): Declared.
5478 (index_in_loop_nest): New.
5479 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5480 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5483 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5485 * simplify-rtx.c (simplify_relational_operation): Call
5486 simplify_relational_operation_1 even if mode is VOIDmode.
5488 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5490 PR tree-optimization/26804
5491 * tree.h (DECL_CALL_CLOBBERED): New macro.
5492 (tree_decl_common): Add call_clobbered_flag.
5493 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5494 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5495 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5496 (mark_non_addressable): Ditto.
5497 * tree-ssa.c (verify_call_clobbered): New function.
5498 (verify_alias_info): Use it.
5499 * tree-pass.h (pass_reset_cc_flags): New prototype.
5500 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5501 (reset_cc_flags): New function.
5502 * passes.c (init_optimization_passes): Call reset_cc_flags after
5503 initializing referenced_vars.
5505 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5506 Roger Sayle <roger@eyesopen.com>
5509 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5510 to 1.0 for non-real operands. Implement A / A optimization for
5513 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5515 * config/i386/i386.c (size_cost): Correct the comment for
5516 cost of storing fp registers.
5517 (i386_cost): Likewise.
5518 (i486_cost): Likewise.
5519 (pentium_cost): Likewise.
5520 (pentiumpro_cost): Likewise.
5521 (k6_cost): Likewise.
5522 (athlon_cost): Likewise.
5523 (k8_cost): Likewise.
5524 (pentium4_cost): Likewise.
5525 (nocona_cost): Likewise.
5526 (generic64_cost): Likewise.
5527 (generic32_cost): Likewise.
5529 2006-03-24 Denis Chertykov <denisc@overta.ru>
5531 * config/avr/avr-protos.h (extra_constraint): Delete.
5532 (extra_constraint_Q): New declaration.
5533 * config/avr/constraints.md: New file.
5534 * config/avr/avr.md: Include it.
5535 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5536 (TMP_REGNO, ZERO_REGNO): Likewise.
5537 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5538 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5539 (extra_constraint): Delete.
5540 (extra_constraint_Q): Test for memory constraint 'Q'.
5541 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5542 (REG_CLASS_FROM_LETTER): Delete.
5543 (CONST_OK_FOR_LETTER_P): Delete.
5544 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5545 (EXTRA_CONSTRAINT): Delete.
5546 (TMP_REGNO): Delete.
5547 (ZERO_REGNO): Delete.
5549 2006-03-24 Jeff Law <law@redhat.com>
5551 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5552 directly. Call mark_new_vars_to_rename slightly earlier.
5554 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5556 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5558 (gen_compile_unit_die): Use new language types for Objective-C and
5560 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5561 DW_LANG_C_plus_plus.
5564 * config/t-darwin (crt3.o): Work around bug 26840.
5565 * config/darwin-crt3.c: Rewrite.
5566 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5568 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5570 * doc/invoke.texi: Document -femit-class-debug-always
5571 * common.opt: Add -femit-class-debug-always.
5573 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5575 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5576 index and base register.
5577 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5578 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5579 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5580 REGNO_OK_FOR_INDEX_P.
5581 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5583 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5584 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5585 REG_OK_FOR_BASE_P): Definitions removed.
5587 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5590 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5591 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5592 set yet or weren't marked as local yet.
5594 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5596 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5599 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5601 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5602 (rs6000_legitimate_small_data_p): Delete.
5603 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5604 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5605 and make static. Add forward declaration. Update uses.
5606 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5607 of offsettable_memref_p.
5608 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5609 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5611 2006-03-24 Jeff Law <law@redhat.com>
5613 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5614 around bug in immediate-use iterator.
5616 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5619 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5620 or __LITTLE_ENDIAN__.
5622 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5624 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5625 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5626 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5627 * config/sh/sh.opt (mdiv=): Amend description.
5628 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5629 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5630 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5631 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5632 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5633 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5634 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5635 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5636 TARGET_DIVIDE_CALL_FP.
5638 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5640 * haifa-sched.c (choose_ready): Fix type of the local variable.
5641 Move local variables. Add comment.
5642 (check_reg_live): Change signature. Make callable from debugger.
5643 * sched-int.h (check_reg_live): Update signature.
5644 * sched-ebb.c (check_reg_live): Update parameters.
5645 * sched-rgn.c (check_reg_live): Ditto.
5646 (region_head_or_leaf_p): Check pointer before dereferencing.
5647 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5648 before reload on optimization levels below 1.
5650 2006-03-23 Richard Henderson <rth@redhat.com>
5652 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5656 * config/alpha/predicates.md (local_symbolic_operand): Reject
5659 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5662 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5663 expressions which have overflowed constants.
5665 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5667 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5669 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5671 * cfgloopmanip.c (create_loop_notes): Removed.
5672 * final.c (final_scan_insn): Do not handle loop notes.
5673 * jump.c (squeeze_notes): Ditto.
5674 * cfglayout.c (skip_insns_after_block,
5675 duplicate_insn_chain): Ditto.
5676 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5678 * cfgloop.h (create_loop_notes): Declaration removed.
5680 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5682 * varasm.c (output_constant_pool): Restore fnname and fndecl
5684 (assemble_start_function): Adjust call accordingly.
5685 (assemble_end_function): Likewise.
5687 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5690 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5693 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5695 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5698 * system.h (ICE_EXIT_CODE): New macro.
5699 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5700 (diagnostic_action_after_output): Likewise.
5701 * gcc.c (fatal_ice): New function.
5702 (execute): Use it instead of fatal.
5703 (fancy_abort): Likewise.
5704 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5706 2006-03-22 Jeff Law <law@redhat.com>
5708 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5709 iv_analyze_result returning false.
5711 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5713 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5715 2006-03-22 Richard Henderson <rth@redhat.com>
5718 * except.c (duplicate_eh_regions_0): New.
5719 (duplicate_eh_region_1): Duplicate the children of the node as
5720 well as the node itself. Link them up properly.
5721 (duplicate_eh_region_2): Merge into ...
5722 (duplicate_eh_regions): ... here. Take copy_region argument, and
5723 copy only a sub-tree if asked. Simplify copying and fixup.
5724 (eh_region_outer_p): New.
5725 * except.h (duplicate_eh_regions): Update decl.
5726 (eh_region_outer_p): Declare.
5727 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5728 (lower_omp_master): Likewise.
5729 (lower_omp_ordered): Likewise.
5730 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5731 (move_stmt_r): Use it to remap labels. Handle recursion vs
5732 remap_decls_p properly.
5733 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5734 (find_outermost_region_in_block): New.
5735 (new_label_mapper): New.
5736 (move_sese_region_to_fn): Copy eh information to the new function
5738 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5740 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5743 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5745 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5746 into shared libraries.
5748 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5750 * doc/md.texi: Refer to i386/constraints.md instead of
5752 * config/i386/constraints.md: New file, extracted from...
5753 * config/i386/predicates.md: ...here.
5754 * config/i386/i386.md: Include constraints.md.
5756 2006-03-21 Jason Merrill <jason@redhat.com>
5758 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5761 * expr.c (init_block_move_fn): Force default visibility.
5762 (init_block_clear_fn): Likewise.
5763 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5764 * targhooks.c (default_external_stack_protect_fail): Likewise.
5766 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5768 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5769 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5770 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5771 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5772 (loadgp): Use mips_current_loadgp_style.
5773 (loadgp_noshared): New pattern.
5774 (sibcall_internal): Use MIPS_CALL.
5775 (sibcall_value_internal): Likewise.
5776 (sibcall_value_multiple_internal): Likewise.
5777 (call_internal): Likewise.
5778 (call_value_internal): Likewise.
5779 (call_value_multiple_internal): Likewise.
5780 (call_split): Use MIPS_CALL and add an 'S' constraint.
5781 (call_value_split): Likewise.
5782 (call_value_multiple_split): Likewise.
5783 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5784 (-mshared): New option.
5785 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5786 (mips_current_loadgp_style): Declare.
5787 * config/mips/mips.c (mips_classify_symbol): Avoid using
5788 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5789 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5790 TARGET_ABSOLUTE_ABICALLS.
5791 (override_options): Adjust comments. Improve the warning that is
5792 issued when -mabicalls and -G are used together.
5793 (mips_file_start): Remove comment.
5794 (mips_current_loadgp_style): New function.
5795 (mips_gnu_local_gp): New variable.
5796 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5798 (mips_output_function_prologue): Use mips_current_laodgp_style.
5799 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5800 the cprestore instruction.
5801 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5802 live for TARGET_ABSOLUTE_ABICALLS.
5803 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5804 (ASM_SPEC): Pass down -mshared and -mno-shared.
5805 (MIPS_CALL): New macro.
5806 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5808 * doc/invoke.texi (-mabicalls): Update documentation.
5809 (-mshared): Document.
5811 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5813 * config/ia64/unwind-hpux.c: New file.
5814 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5816 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5819 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5821 2006-03-21 Jeff Law <law@redhat.com>
5823 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5824 type conversions of a VR_VARYING source to a wider type.
5826 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5828 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5829 tm_file on Solaris 10 and later.
5830 (sparc64-*-solaris2*): Likewise.
5831 (sparc-*-solaris2*): Likewise.
5832 * config/sol26.h: Rename to config/sol2-6.h.
5833 * config/sol2-10.h: New file.
5835 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5838 * tree-ssa-pre.c (create_component_ref_by_pieces):
5841 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5844 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5845 return it immediately.
5847 2006-03-21 Michael Matz <matz@suse.de>
5849 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5851 (remove_arc, add_arc): Update num_out_arcs member.
5852 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5854 (cache_presence): New function.
5855 (compare_states_for_equiv): New function.
5856 (state_is_differed): Don't take number of outargs, adjust callers.
5857 Use new invariant for speeding up.
5858 (init_equiv_class): Create initial classes based on sorted
5860 (partition_equiv_class): Don't track out_arcs_num.
5861 (evaluate_equiv_classes): Call cache_presence on all states and
5864 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5866 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5867 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5868 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5869 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5871 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5872 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5873 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5874 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5875 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5877 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5878 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5879 (REGNO_REG_CLASS): ARGP is in PREGS.
5880 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5882 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5883 to deal with those addresses.
5884 * addresses.h: New file.
5885 * caller-save.c: Include "addresses.h".
5886 (init_caller_save): Use new base_reg_class function.
5887 * rtl-factoring.c: Include "addresses.h".
5888 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5889 * recog.c: Include "addresses.h".
5890 (preprocess_constraints): Use new base_reg_class function.
5891 * regrename.c: Include "addresses.h".
5892 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5893 functions. Keep track of a new var INDEX_CODE to compute valid
5895 (replace_oldest_value_addr): Likewise.
5896 (replace_oldest_value_mem): Use base_reg_class.
5897 * reload.c: Include "addresses.h".
5898 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5899 (find_reloads): Use new base_reg_class function.
5900 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5901 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5902 all callers and prototype changed.
5903 * reload1.c: Include "addresses.h".
5904 (maybe_fix_stack_asms): Use base_reg_class.
5905 * regclass.c: Include "addresses.h".
5906 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5907 (init_reg_autoinc): Use new base_reg_class function.
5908 (record_reg_classes): Likewise.
5909 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5910 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5911 Use new args to compute necessary class.
5913 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5914 regrename.o, rtl-factoring.o): Update dependencies.
5915 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5916 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5917 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5918 REG_OK_FOR_INDEX_P): Delete documentation.
5920 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5922 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5923 from V7 to V9 for Solaris 7 and above.
5925 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5927 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5928 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5929 argument pointers may not alias any other storage.
5930 * common.opt: Define option -fargument-noalias-anything.
5931 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5932 alias semantics is specified by flag_argument_noalias > 2.
5934 2006-03-20 Jeff Law <law@redhat.com>
5936 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5937 (pass_phi_only_cprop): Declare.
5938 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5940 * tree-ssa-dom.c (degenerate_phi_result): New function.
5941 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5942 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5943 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5944 (eliminate_degenerate_phis): Likewise.
5945 (pass_phi_only_cprop): New pass descriptor.
5946 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5947 support code. Callers updated.
5948 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5949 (store_copy_prop): Likewise.
5950 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5952 2006-03-20 Jason Merrill <jason@redhat.com>
5955 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5956 (push_visibility, pop_visibility): Likewise.
5957 * c-pragma.h: Declare them.
5959 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5961 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5963 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5964 parameter and use get_ebb_head_tail.
5965 (sh_md_init_global): Adjust uses of find_regmode_weight.
5967 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5969 * function.h (struct function) <x_tail_recursion_reentry>:
5970 Rename to x_stack_check_probe_note.
5971 (tail_recursion_reentry): Rename to stack_check_probe_note.
5972 * function.c: Replace tail_recursion_reentry with
5973 stack_check_probe_note everywhere.
5974 (expand_function_start): Only emit a note for
5975 stack_check_probe_note with -fstack-protect.
5976 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5978 * emit-rtl.c (remove_unnecessary_notes): Remove.
5979 (pass_remove_unnecessary_notes): Remove.
5980 * rtl.h (remove_unnecessary_notes): Remove prototype.
5981 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5982 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5983 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5985 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5988 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5989 (valid_in_set): Handle ARRAY_REF.
5990 Change "if min_variant or VH" to asserts.
5991 (create_component_ref_by_pieces): Handle ARRAY_REF.
5992 (create_expression_by_pieces): Likewise.
5993 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5995 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5997 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5998 is operand of switch, not str[0].
6000 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6002 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6003 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6005 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6007 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6008 end of insn_extra_address_constraint declaration.
6010 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6012 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6013 (no-sum-in-toc): Same.
6014 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6016 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6017 NO_FP_IN_TOC for -fPIC instead of mask.
6019 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6020 (BOOT_LDFLAGS): Delete.
6022 * config/rs6000/t-aix52: Same.
6024 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6025 (stmsi[345678]_power): New.
6027 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6029 * config/ia64/ia64.opt: Add empty line to end of file.
6031 2006-03-17 Richard Guenther <rguenther@suse.de>
6034 * builtins.c (get_pointer_alignment): For component style references
6035 adjust alignment to the component type alignment. Make sure
6036 to adjust alignment for component access of constants.
6038 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6040 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6043 2006-03-17 Paul Brook <paul@codesourcery.com>
6045 * doc/install.texi: Docuemnt --with-mode.
6046 * config.gcc: Add --with-mode for arm*-*-*.
6047 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6049 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6051 * sh.c (max_labelno_before_reorg): New variable.
6052 (sh_reorg): Initialize it.
6053 (find_barrier): Check max_labelno_before_reorg before using
6054 label_to_alignment. Take length of explicit alignment insns
6055 into account. When seeing a UNSPECV_CONST_END, return it.
6057 * sh.c (fixup_mova): Set mode of affected label to QImode.
6058 (untangle_mova): New function.
6059 (find_barrier): Use it. Check mode of label before decrementing
6061 (sh_reorg): Likewise.
6062 Set mode of all insns back to VOIDmode.
6064 * sh.c (MOVA_LABELREF): New macro.
6065 (mova_p, fixup_mova, sh_reorg): Use it.
6066 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6067 ADDR_DIFF_VEC matches mova.
6069 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6071 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6072 with ATTRIBUTE_UNUSED.
6074 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6076 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6077 pointer, instead of assuming it is possible to derive the
6078 correct args size from a call insn.
6080 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6082 * rtl.h (CONST_INT_P): Define.
6083 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6084 instead of GET_CODE(x) == CONST_INT.
6085 (vax_rtx_costs): Likewise.
6086 (vax_output_int_move): Likewise.
6087 (vax_output_int_add): Likewise.
6088 (legitimate_constant_address_p): Likewise.
6089 (index_term_p): Likewise.
6090 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6091 * config/vax/vax.md (and<mode>3): Likewise.
6092 (ashrsi3): Likewise.
6094 (movstricthi): Likewise.
6095 (movstrictqi): Likewise.
6096 (rotrsi3): Likewise.
6097 (five unnamed insns): Likewise.
6099 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6101 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6102 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6103 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6104 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6105 Pass to ASM_OUTPUT_DWARF_OFFSET.
6106 * dwarf2out.c (debug_frame_section): New.
6107 (output_call_frame_info): Use debug_frame_section. Pass it to
6108 dw2_asm_output_offset.
6109 (output_die): Pass appropriate section to dw2_asm_output_offset.
6110 (output_compilation_unit_header): Likewise.
6111 (output_pubnames): Likewise.
6112 (output_aranges): Likewise.
6113 (enum dw_val_class): Break dw_val_class_lbl_offset into
6114 dw_val_class_lineptr and dw_val_class_macptr.
6115 (add_AT_lbl_offset): Delete.
6116 (add_AT_lineptr): New.
6117 (add_AT_macptr): New.
6118 (AT_lbl): Expect a lineptr or macptr.
6119 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6120 (attr_checksum): Likewise.
6121 (same_dw_val_p): Likewise.
6122 (size_of_die): Likewise.
6123 (value_format): Likewise.
6124 (output_die): Likewise.
6125 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6127 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6128 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6129 * config/darwin-protos.h (darwin_file_start): New.
6130 (darwin_asm_output_dwarf_offset): New.
6131 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6132 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6134 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6135 if not EH section; simplify.
6136 (darwin_file_start): New.
6137 (darwin_asm_output_dwarf_offset): New.
6138 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6140 (DEBUG_INFO_SECTION): Likewise.
6141 (DEBUG_ABBREV_SECTION): Likewise.
6142 (DEBUG_ARANGES_SECTION): Likewise.
6143 (DEBUG_MACINFO_SECTION): Likewise.
6144 (DEBUG_LINE_SECTION): Likewise.
6145 (DEBUG_LOC_SECTION): Likewise.
6146 (DEBUG_PUBNAMES_SECTION): Likewise.
6147 (DEBUG_STR_SECTION): Likewise.
6148 (DEBUG_RANGES_SECTION): Likewise.
6149 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6150 (ASM_OUTPUT_DWARF_OFFSET): New.
6152 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6154 * config.gcc (tm_defines): Always add to previous value rather
6157 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6159 * config/mips/predicates.md (splittable_const_int_operand): New,
6160 split from move_operand.
6161 (splittable_symbolic_operand): New.
6162 (move_operand): Add commentary. Use splittable_const_int_operand.
6163 Inline mips_atomic_symbolic_constant_p.
6164 * config/mips/mips.md: Add combine splitters for handling moves
6165 of splittable_const_int_operands and splittable_symbolic_operands.
6166 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6167 (mips_split_symbol): Declare.
6168 (mips_move_integer): Declare.
6169 * config/mips/mips.c (mips_split_p): Make global.
6170 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6171 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6172 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6173 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6174 (mips_offset_within_object_p): Handle block symbols.
6175 (mips_atomic_symbolic_constant_p): Delete.
6176 (mips_cannot_force_const_mem): Return false for constants that
6177 mips_legitimize_move can handle.
6178 (mips_use_blocks_for_constant_p): New function.
6179 (mips_split_symbol): Make global.
6180 (mips_move_integer): Likewise. Add a temporary register argument.
6181 (mips_legitimize_const_move): Use splittable_const_int_operand and
6182 splittable_symbolic_operand.
6183 (mips_use_anchors_for_symbol_p): New function.
6184 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6185 (mips_split_p): Declare.
6187 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6189 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6190 (mips*-*-linux*): Likewise.
6192 2006-03-16 Roger Sayle <roger@eyesopen.com>
6193 Daniel Speyer <dspeyer@wam.umd.edu>
6196 * tree-dump.c (dump_real): New function.
6197 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6198 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6199 (tree-dump.o): Add $(REAL_H) to the dependencies.
6201 2006-03-16 Roger Sayle <roger@eyesopen.com>
6204 * real.c (real_from_string): If the mantissa is zero, don't bother
6205 parsing the exponent as the result should always be zero.
6207 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6209 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6211 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6213 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6214 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6215 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6216 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6217 ia64_sched_finish_global): New static functions to implement
6218 hooks from gcc_target.sched.
6219 (spec_check_no, max_uid, pending_data_specs): New static variables.
6220 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6221 ia64_spec_check_src_p): New static functions.
6222 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6223 (TARGET_SCHED_ADJUST_COST): Removed.
6224 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6225 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6226 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6227 TARGET_SCHED_GEN_CHECK,
6228 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6229 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6230 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6231 Fixed to handle speculation checks.
6232 (rtx_needs_barrier): Fixed to handle speculative loads and
6234 (ia64_variable_issue): Added code to count speculative loads and their
6236 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6238 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6240 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6242 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6243 (ia64_reorg): Reset stops_p to NULL after it is freed.
6244 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6245 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6246 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6248 (data_speculative, control_speculative, check_load): New attributes.
6249 (mov<mode>_advanced, mov<mode>_speculative,
6250 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6251 zero_extend<mode>di2_speculative,
6252 zero_extend<mode>di2_speculative_advanced): New patterns for
6253 data and control speculative loads.
6254 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6256 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6257 New pattern for data and control speculation checks.
6258 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6259 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6260 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6261 Auxiliary definitions for the patterns.
6262 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6263 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6265 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6267 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6268 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6269 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6270 New resource constraints.
6271 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6273 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6274 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6275 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6276 msched-in-control-spec, msched-ldc, msched-control-ldc,
6277 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6278 msched-prefer-non-control-spec-insns,
6279 msched-count-spec-in-critical-path): New flags to tune speculative
6281 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6282 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6283 msched-in-control-spec, msched-ldc, msched-control-ldc,
6284 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6285 msched-prefer-non-control-spec-insns,
6286 msched-count-spec-in-critical-path): Document new flags.
6288 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6290 * target.h (struct spec_info_def): New opaque declaration.
6291 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6292 speculate_insn, needs_block_p, gen_check,
6293 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6294 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6295 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6296 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6297 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6298 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6300 (TARGET_SCHED): Use new macros.
6301 * rtl.h (copy_DEPS_LIST_list): New prototype.
6302 * sched-int.h (struct sched_info): Change signature of new_ready field,
6303 adjust all initializations. New fields: add_remove_insn,
6304 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6305 region_head_or_leaf_p.
6306 (struct spec_info_def): New structure declaration.
6307 (spec_info_t): New typedef.
6308 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6309 recovery_block, orig_pat.
6310 (glat_start, glat_end): New variables declaraions.
6311 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6313 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6314 DETACH_LIFE_INFO, USE_GLAT.
6315 (enum SPEC_SCHED_FLAGS): New enumeration.
6316 (NOTE_NOTE_BB_P): New macro.
6317 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6318 attach_life_info, debug_spec_status, check_reg_live): New functions.
6319 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6320 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6322 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6323 * ddg.c (get_block_head_tail): Adjust all uses.
6324 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6325 (sms_sched_info): Initialize new fields.
6326 (contributes_to_priority): Removed.
6327 * haifa-sched.c (params.h): New include.
6328 (get_block_head_tail): Adjust all uses.
6329 (ISSUE_POINTS): New macro.
6330 (glat_start, glat_end): New global variables.
6331 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6332 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6333 old_last_basic_block, before_recovery, current_sched_info_var,
6334 rgn_n_insns, luid): New static variables.
6335 (insn_cost1): New function. Move logic from insn_cost to here.
6336 (find_insn_reg_weight1): New function. Move logic from
6337 find_insn_reg_weight to here.
6338 (reemit_notes, move_insn, max_issue): Change signature.
6339 (move_insn1): Removed.
6340 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6341 extend_bb): New static functions to support extension of scheduler's
6343 (generate_recovery_code, process_insn_depend_be_in_spec,
6344 begin_speculative_block, add_to_speculative_block,
6345 init_before_recovery, create_recovery_block, create_check_block_twin,
6346 fix_recovery_deps): New static functions to support
6347 generation of recovery code.
6348 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6349 restore_bb_notes, move_block_after_check, move_succs): New static
6350 functions to support ebb scheduling.
6351 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6352 functions to support handling of register live information.
6353 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6354 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6355 add_jump_dependencies): New static functions.
6356 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6357 consistancy checking.
6358 (debug_spec_status): New function to call from debugger.
6359 (priority): Added code to handle speculation checks.
6360 (rank_for_schedule): Added code to distinguish speculative instructions.
6361 (schedule_insn): Added code to handle speculation checks.
6362 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6363 Fixed to handle ebbs.
6364 (move_insn): Added code to handle ebb scheduling.
6365 (max_issue): Added code to use ISSUE_POINTS of instructions.
6366 (choose_ready): Added code to choose between speculative and
6367 non-speculative instructions.
6368 (schedule_block): Added code to handle ebb scheduling and scheduling of
6369 speculative instructions.
6370 (sched_init): Initialize new variables.
6371 (sched_finish): Free new variables. Print statistics.
6372 (try_ready): Added code to handle speculative instructions.
6373 * lists.c (copy_DEPS_LIST_list): New function.
6374 * sched-deps.c (extend_dependency_caches): New function. Move logic
6375 from create_dependency_caches to here.
6376 (get_dep_weak, ds_merge): Make global.
6377 * genattr.c (main): Code to output prototype for
6378 dfa_clear_single_insn_cache.
6379 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6380 (output_dfa_clean_insn_cache_func): Code to output
6381 dfa_clear_single_insn_cache function.
6382 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6384 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6386 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6387 New static variables.
6388 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6389 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6391 (ebb_sched_info): Initialize new fields.
6392 (get_block_head_tail): Adjust all uses.
6393 (compute_jump_reg_dependencies): Fixed to use glat_start.
6394 (schedule_ebb): Code to remove unreachable last block.
6395 (schedule_ebbs): Added code to update register live information.
6396 * sched-rgn.c (region_sched_info): Initialize new fields.
6397 (get_block_head_tail): Adjust all uses.
6398 (last_was_jump): Removed. Adjust users.
6399 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6400 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6401 Implement new hooks.
6402 (check_dead_notes1): New static function.
6403 (struct region): New fields: dont_calc_deps, has_real_ebb.
6404 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6405 (BB_TO_BLOCK): Fixed to handle EBBs.
6406 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6407 (ebb_head): New static variable.
6408 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6409 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6411 (compute_dom_prob_ps): New assertion.
6412 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6413 global_live_at_start.
6414 (init_ready_list): New assertions.
6415 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6416 (new_ready): Add support for BEGIN_CONTROL speculation.
6417 (schedule_insns): Fixed code that updates register live information
6419 (schedule_region): Fixed to handle EBBs.
6420 (init_regions): Use extend_regions and check_dead_notes1.
6421 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6422 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6423 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6424 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6425 TARGET_SCHED_GEN_CHECK,
6426 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6427 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6428 * doc/invoke.texi (max-sched-insn-conflict-delay,
6429 sched-spec-prob-cutoff): Document.
6431 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6433 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6434 inter_tick, queue_index.
6435 (struct sched_info): Change signature of init_ready_list field.
6436 Adjust all initializations.
6437 (RESOLVED_DEPS): New access macro.
6438 (ready_add): Remove prototype.
6439 (try_ready): Add prototype.
6440 * sched-rgn.c (init_ready_list): Use try_ready.
6441 (schedule_region): Initialize
6442 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6443 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6444 (init_ready_list): Use try_ready.
6445 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6446 * lists.c (remove_list_elem): Remove `static'.
6447 (remove_free_INSN_LIST_elem): New function.
6448 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6449 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6450 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6452 (readyp): New variable.
6453 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6454 change_queue_index, resolve_dep): New static functions.
6455 (try_ready): New function. Adjust callers in sched-rgn.c and
6456 sched-ebb.c to use it instead of ready_add.
6457 (clock_var): Move at the begining of file.
6458 (rank_for_schedule): Fix typo.
6459 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6460 (ready_lastpos): Enforce assertion.
6461 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6463 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6464 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6465 (queue_to_ready): Use free_INSN_LIST_list.
6466 (early_queue_to_ready): Fix typo.
6467 (schedule_block): Init readyp. Move init_ready_list call after the
6468 initialization of clock_var. Fix error in rejecting insn by
6469 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6470 that previously corrected INSN_TICKs. Add code for handling
6472 (set_priorities): Fix typo.
6473 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6474 Clarify comment and code that keeps current_sched_info->next_tail
6477 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6479 * sched-rgn.c (extend_rgns): New static function.
6480 (find_rgns): Use it.
6481 (gather_region_statistics, print_region_statistics): New static
6483 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6484 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6486 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6487 Andrey Belevantsev <abel@ispras.ru>
6489 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6490 * lists.c (unused_deps_list): New variable.
6491 (free_list): Add assertions to verify the proper distinguishing
6492 between INSN_LISTs and DEPS_LISTs.
6493 (find_list_elem, remove_list_elem, remove_list_node): New static
6495 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6496 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6497 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6498 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6500 (free_INSN_LIST_node): Likewise.
6501 * modulo-sched.c (current_sched_info): Initialize flags field.
6502 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6503 * rtl.def (DEPS_LIST): Define.
6504 * rtl.h: Declare new functions from lists.c.
6505 * sched-deps.c (spec_dependency_cache): New static variable.
6506 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6507 (add_dependence): Change return type to void. Move the logic to ...
6508 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6509 (delete_all_dependences): Add comment about forward_dependency_cache.
6510 Handle spec_dependency_cache. Handle DEPS_LISTs.
6511 (fixup_sched_groups): Clarify the change of priority of output
6512 and anti dependencies.
6513 (sched_analyze_2): Adjust add_dependence calls to create data
6514 speculative dependence.
6515 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6516 Adjust all callers. Handle DEPS_LISTS.
6517 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6518 presence of speculation.
6519 (init_dependency_caches, free_dependency_caches):
6520 Handle spec_dependency_cache.
6521 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6522 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6523 New static functions.
6524 (add_or_update_back_dep, add_or_update_back_forw_dep,
6525 add_back_forw_dep, delete_back_forw_dep): New functions.
6526 * sched-int.h (ds_t, dw_t): New typedefs.
6527 (struct sched_info): Add new field flags.
6528 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6529 Prototype new sched-deps.c functions.
6530 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6531 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6532 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6533 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6534 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6535 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6537 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6539 * sched-rgn.c (current_sched_info): Initialize flags field.
6540 (schedule_insns): Initialize current_sched_info before the sched_init
6542 * sched-ebb.c (current_sched_info): Initialize flags field.
6543 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6544 Call add_or_update_back_dep instead of add_dependence.
6545 Create control speculative dependencies.
6546 (schedule_insns): Initialize current_sched_info before the sched_init
6549 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6551 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6553 (sh_fallback_frame_state): Likewise.
6555 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6557 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6558 Do switch on default_use_cxa_atexit.
6559 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6560 * config/darwin-crt3.o: New.
6561 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6562 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6563 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6565 * config/rs6000/t-darwin: Move crt2.o building to here.
6566 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6567 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6570 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6572 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6573 from '! xxx' to '!xxx' for coding-style conformance.
6574 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6575 (EXTRA_CONSTRAINT): Likewise.
6576 * config/vax/vax.md (four unnamed insns): Likewise.
6578 2006-03-15 Paul Brook <paul@codesourcery.com>
6580 * config/arm/arm.c (minipool_pad): New.
6581 (add_minipool_forward_ref): Include pool alignment padding in address
6583 (push_minipool_fix): Set minipool_pad.
6584 (minipool_pad): Ditto.
6586 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6588 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6589 instead of GET_CODE() == MEM and REG_P() instead of
6591 (print_operand_address): Likewise.
6592 (vax_address_cost): Likewise.
6593 (vax_rtx_costs): Likewise.
6594 (vax_notice_update_cc): Likewise.
6595 (vax_output_int_add): Likewise.
6596 (INDEX_REGISTER_P): Likewise.
6597 (BASE_REGISTER_P): Likewise.
6598 (nonindexed_address_p): Likewise.
6599 (vax_mode_dependent_address_p): Likewise.
6600 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6601 (PRINT_OPERAND): Likewise.
6602 * config/vax/vax.md (ashlsi3): Likewise.
6603 (ashlsi3): Likewise.
6604 (some more unnamed insns): Likewise.
6606 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6608 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6609 iterator-style macro.
6610 (mark_control_dependent_edges_necessary): Update the use of
6611 EXECUTE_IF_CONTROL_DEPENDENT.
6613 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6615 * config/sh/predicates.md (cache_address_operand): Special.
6616 (ua_address_operand): Likewise.
6618 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6620 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6622 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6624 2006-03-15 Andreas Schwab <schwab@suse.de>
6626 * gensupport.c (identify_predicable_attribute): Don't free p_false
6627 when it is still in use.
6629 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6631 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6632 the default setting here.
6634 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6636 * tree-pass.h (pass_cfg): Remove.
6637 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6638 * passes.c (pass_cfg): Don't run it.
6640 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6642 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6643 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6645 (stack_regs_mentioned): Update the uses of
6646 stack_regs_mentioned_data. Don't access the array beyond its
6648 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6649 Don't include gt-reg-stack.h.
6651 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6652 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6654 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6657 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6660 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6662 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6664 2006-03-14 Richard Guenther <rguenther@suse.de>
6666 PR tree-optimization/26672
6667 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6670 2006-03-14 Richard Guenther <rguenther@suse.de>
6672 PR tree-optimization/26667
6673 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6674 node for the callees. Always allow inlining if it will shrink
6677 2006-03-14 Richard Guenther <rguenther@suse.de>
6680 * builtins.c (get_pointer_alignment): Prefer alignment
6681 information from decls over that from types.
6683 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6686 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6688 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6690 * config/rs6000/rs6000.opt (mdlmzb): New option.
6691 (msched-prolog, msched-epilog): Use Var not Mask.
6692 * doc/invoke.texi (-mdlmzb): Document.
6693 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6695 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6696 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6698 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6700 PR rtl-optimization/25739
6701 * bt-load.c (augment_live_range): Free tos pointer.
6703 * gensupport.c (identify_predicable_attribute): Free
6705 * gcov.c (create_file_names): Free name pointer.
6707 2006-03-13 Roger Sayle <roger@eyesopen.com>
6710 * stmt.c (emit_case_nodes): Handle the case where the index is a
6711 CONST_INT, where the comparison mode is specified by the index type.
6713 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6715 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6718 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6720 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6721 (*branch_fp_inverted): Likewise.
6723 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6726 * omp-low.c (expand_omp_for_generic): Mark istart0
6727 and iend0 as addressable.
6729 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6731 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6733 2006-03-13 Jeff Law <law@redhat.com>
6735 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6736 virtual operands are interesting.
6737 (vrp_visit_stmt): Corresponding changes.
6739 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6741 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6743 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6744 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6745 * config/bfin/crti.S: Use it instead of __PIC__.
6746 * config/bfin/crtn.S: Likewise.
6748 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6749 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6751 Lose 'G' modifier for call operand.
6752 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6753 recognize 'G' modifier.
6755 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6758 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6759 * stmt.c (expand_case): Likewise.
6761 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6763 PR rtl-optimization/26254
6764 * loop-invariant.c (seq_insns_valid_p): New function.
6765 (move_invariant_reg): Only emit new code if it is valid.
6767 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6769 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6771 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6772 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6773 (commit_one_edge_insertion): Do not look for loop notes.
6775 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6777 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6778 flag_test_coverage out of loop.
6780 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6782 * final.c (shorten_branches): Remove outdated comment, and turn
6783 the if branch that guards it to continue.
6785 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6787 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6788 * cfgloop.h (struct loop): Remove unused fields.
6790 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6792 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6793 (-dL, -fdump-rtl-loop2): Update the dump file names
6795 * doc/invoke.texi: Update dump file names.
6797 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6799 * predict.c (estimate_probability): Remove.
6800 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6801 * basic-block.h (estimate_probability): Remove prototype.
6802 * passes.c (finish_optimization_passes): Dump branch prediction or
6803 profiling heuristics to the .profile tree dump.
6804 (init_optimization_passes): Unqueue pass_branch_prob.
6806 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6808 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6810 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6811 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6813 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6815 * function.h (frame_offset_overflow): Declare.
6816 * function.c (frame_offset_overflow): New function.
6817 (assign_stack_local_1): Call it to detect that the offset overflows.
6818 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6820 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6822 * config/sh/sh.c: Include alloc-pool.h.
6823 (label_ref_list_pool): New alloc pool.
6824 (label_ref_list_t): New type for lists of labels.
6825 (struct pool_node): Make wend a label_ref_list_t.
6826 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6828 (dump_table): Likewise.
6829 (sh_reorg): Set up the alloc pool before using add_constant and
6830 dump_table, and destroy it when finishing.
6832 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6834 * config/mips/mips.c: Remove redundant comment.
6836 2006-03-10 Jason Merrill <jason@redhat.com>
6839 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6840 the target was declared 'register'.
6842 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6844 * genpreds.c (write_insn_constraint_len): Change definition of
6845 insn_constraint_len to return size_t to match the declaration.
6847 2006-03-10 DJ Delorie <dj@redhat.com>
6849 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6851 (m32c_expand_insv): Fix test for an AND mask.
6853 2006-03-10 Richard Guenther <rguenther@suse.de>
6856 * builtins.c (get_pointer_alignment): Handle component
6857 references for field alignment.
6859 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6861 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6862 when building with libgloss.
6863 (sh*elf): Implement --without-fp option.
6864 (sh64-superh-linux*): Don't multilib.
6866 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6868 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6870 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6872 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6873 Set it when one of the replacement functions returned true.
6874 Return TODO_cleanup_cfg if cfgchanged is true.
6875 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6877 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6879 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6880 instead of gen_lowpart.
6882 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6884 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6886 (mips_output_order_conditional_branch): Declare.
6887 * config/mips/mips.h (MIPS_BRANCH): New macro.
6888 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6889 for the comparison. Use gen_condjump.
6890 (mips_output_conditional_branch): Rework interface to take the
6891 asm templates for a direct branch and the inverse of a direct branch.
6892 (mips_output_order_conditional_branch): New function.
6893 (mips_builtin_branch_and_move): New function.
6894 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6895 branch condition. Use gen_single_cc as the condition for
6896 __builtin_mips_upper_* or __builtin_mips_lower_*.
6897 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6898 Use VOIDmode for the branch condition.
6899 * config/mips/predicates.md (order_operator): New predicate.
6900 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6901 (branch_fp): Rename to...
6902 (*branch_fp): ...this. Remove mode from comparison operator.
6903 Use new mips_output_conditional_branch interface.
6904 (branch_fp_inverted): Rename to...
6905 (*branch_fp_inverted): ...this and update as for *branch_fp.
6906 (*branch_zero<mode>): Rename to...
6907 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6908 Use mips_output_order_conditional_branch. Only accept ordered
6910 (*branch_zero<mode>_inverted): Rename to...
6911 (*branch_order<mode>_inverted): ...this and update as for
6912 *branch_order<mode>.
6913 (*branch_equality<mode>): Accept zero as the second operand to
6914 the equality operator. Use the new mips_output_conditional_branch
6916 (*branch_equality<mode>_inverted): Likewise.
6917 (condjump): New expander.
6918 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6920 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6921 (bc1any2t, bc1any2f): Likewise.
6922 (single_cc): New expander.
6923 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6925 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6927 * doc/md.texi: Update documentation of MIPS constraints.
6928 * config/mips/constraints.md: New file.
6929 * config/mips/mips.md: Include it.
6930 * config/mips/mips.c (mips_char_to_class): Delete.
6931 (override_options): Don't initialize mips_char_to_class.
6932 * config/mips/mips.h (mips_char_to_class): Delete.
6933 (REG_CLASS_FROM_LETTER): Delete.
6934 (CONST_OK_FOR_LETTER_P): Delete.
6935 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6936 (EXTRA_CONSTRAINT_Y): Delete.
6937 (EXTRA_CONSTRAINT_STR): Delete.
6938 (CONSTRAINT_LEN): Delete.
6939 (EXTRA_MEMORY_CONSTRAINT): Delete.
6941 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6943 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6944 original fn's eh regions.
6946 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6948 * fold-const.c (build_range_check): Make sure to use a valid type to
6949 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6952 (range_predecessor): New static function.
6953 (range_successor): Likewise.
6954 (merge_ranges): Use them to compute predecessors and successors of
6957 2006-03-09 Roger Sayle <roger@eyesopen.com>
6960 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6961 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6963 2006-03-08 DJ Delorie <dj@redhat.com>
6965 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6966 (addpsi3): Expand to include memory operands. Remove
6967 reload-specific splits.
6968 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6969 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6970 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6971 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6972 (shift1_qi, shift1_hi, insv): New.
6973 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6974 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6975 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6977 * config/m32c/m32c-protos.h: Update as needed.
6978 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6979 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6980 Fail for unrecognized R* constraints.
6981 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6982 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6983 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6985 (m32c_init_libfuncs): New.
6986 (m32c_legitimate_address_p): Add debug wrapper.
6987 (m32c_rtx_costs): New.
6988 (m32c_address_cost): New.
6989 (conversions): Add 'B' prefix.
6990 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6991 operands, or word regnames for QI operands. 'B' prints bit
6993 (m32c_expand_setmemhi): New.
6994 (m32c_expand_movmemhi): New.
6995 (m32c_expand_movstr): New.
6996 (m32c_expand_cmpstr): New.
6997 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6998 (m32c_expand_neg_mulpsi3): Handle non-ints.
6999 (m32c_cmp_flg_0): New.
7000 (m32c_expand_movcc): New.
7001 (m32c_expand_insv): New.
7002 (m32c_scc_pattern): New.
7003 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7004 a0/a1 out of SIregs.
7005 (STORE_FLAG_VALUE): New.
7006 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7009 * config/m32c/mov.md: Make constraints more liberal.
7010 (zero_extendqihi2): Optimize r0/r1 case.
7011 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7012 * config/m32c/predicates.md (m32c_any_operand): New.
7013 (m32c_nonimmediate_operand): New.
7014 (m32c_hl_operand): New.
7015 (m32c_r3_operand): New.
7018 (memsym_operand): New.
7019 (memimmed_operand): New.
7020 (a_qi_operand): New.
7021 (m32c_eqne_operator): New.
7022 (m32c_1bit8_operand): New.
7023 (m32c_1bit16_operand): New.
7024 (m32c_1mask8_operand): New.
7025 (m32c_1mask16_operand): New.
7026 * config/m32c/blkmov.md: New file.
7027 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7029 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7031 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7032 unsigned to fix signed/unsigned comparison issue in
7033 DWARF2_FRAME_REG_OUT.
7034 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7035 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7037 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7038 of ptr into the ENABLE_CHECKING section.
7040 2006-03-08 Jeff Law <law@redhat.com>
7042 * tree-vrp.c (infer_value_range): Only count pointer uses
7043 and dereferences if -fdelete-null-pointer-checks is enabled.
7045 * tree-vrp.c (find_assert_locations): Infer value ranges for
7046 single use pointers, but do not create ASSERT_EXPRs for them.
7047 When a non-null range is inferred for a pointer, backwards
7048 propagate that range to other equivalent pointers through the
7051 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7054 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7055 language hook targets.
7056 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7057 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7058 if language hook targets were missing.
7060 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7062 * tree-ssa-opfinalize.h: Removed.
7063 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7065 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7066 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7067 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7068 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7069 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7070 finalize_ssa_v_must_def_ops): New.
7072 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7074 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7077 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7079 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7081 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7082 addresses with offsets; reorganize.
7084 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7085 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7086 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7088 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7091 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7093 2006-03-08 Ben Elliston <bje@au.ibm.com>
7095 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7097 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7100 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7103 2006-03-07 Richard Guenther <rguenther@suse.de>
7105 PR tree-optimization/26587
7106 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7108 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7110 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7112 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7114 * hooks.c (hook_bool_mode_rtx_true): New function.
7115 * hooks.h (hook_bool_mode_rtx_true): Declare.
7116 * toplev.c (compile_file): Call output_shared_constant_pool.
7117 * varasm.c (shared_constant_pool): New variable.
7118 (assemble_start_function, assemble_end_function): Remove arguments
7119 from call to output_constant_pool.
7120 (create_constant_pool): New function, split out from...
7121 (init_varasm_status): ...here.
7122 (force_const_mem): Choose between the shared and per-function constant
7123 pools. Set current_function_uses_const_pool when reusing old entries
7124 as well as when creating new ones.
7125 (mark_constant): Ignore data argument.
7126 (mark_constants): Remove pool argument.
7127 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7128 to decide whether the function uses a constant pool.
7129 (output_constant_pool_contents): New function, split out from...
7130 (output_constant_pool): ...here.
7131 (output_shared_constant_pool): New function.
7132 (init_varasm_once): Initialize shared_constant_pool.
7133 * output.h (output_constant_pool): Delete.
7134 (output_shared_constant_pool): Declare.
7135 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7136 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7138 2006-03-06 Nick Clifton <nickc@redhat.com>
7140 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7141 flag_strength_reduce.
7143 2006-03-06 Ben Elliston <bje@au.ibm.com>
7145 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7146 x86_64-*-linux* configurations.
7148 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7149 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7151 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7153 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7155 * basic-block.h: Remove the extern for
7156 rediscover_loops_after_threading.
7158 * cfgloop.c (cancel_loop): Make it static.
7159 * cfgloop.h: Remove the prototype for cancel_loop.
7161 * flow.c (recompute_reg_usage): Make it static.
7162 * rtl.h: Remove the prototype for recompute_reg_usage.
7164 * function.c (use_return_register): Make it static.
7165 * function.h: Remove the prototype.
7167 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7169 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7171 * recog.h: Remove the prototype for
7172 validate_change_maybe_volatile.
7174 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7176 * rtlanal.c (replace_reg): Remove.
7177 * rtl.h: Remove the prototype for replace_reg.
7179 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7181 * regclass.c (reg_scan_update): Remove.
7182 (reg_scan_mark_refs): Remove the last argument.
7183 * rtl.h: Remove the prototype for reg_scan_update.
7185 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7187 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7188 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7189 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7190 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7191 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7192 loop-invariant.c, omp-low.c, opts.c, passes.c,
7193 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7194 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7195 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7196 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7197 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7198 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7200 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7202 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7203 * dwarf2out.h: Remove the prototype for
7204 dwarf2out_add_library_unit_info.
7206 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7208 * tree.c (add_var_to_bind_expr): Remove.
7209 * tree.h: Remove the prototype for add_var_to_bind_expr.
7211 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7213 * regclass.c (n_non_fixed_regs): Remove.
7214 (init_reg_sets_1, globalize_reg): Remove all uses of
7216 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7218 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7220 * rtlanal.c (insns_safe_to_move_p): Remove.
7221 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7223 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7225 * expmed.c (expand_mult_add): Remove.
7226 * expr.h: Remove the prototype for expand_mult_add.
7228 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7230 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7231 and REG_SAVED_VAL_EXP constants.
7232 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7233 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7234 Handle regs stored by value.
7235 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7236 (execute_cfa_program): Handle DW_CFA_val_offset,
7237 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7238 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7239 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7240 (uw_install_context_1): Handle target regs stored by value.
7242 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7244 * tree-sra.c (tree_sra): Return todoflags;
7245 (generate_one_element): Set TODO_update_smt_usage if needed.
7246 (pass_sra): Remove TODO_update_smt_usage.
7247 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7249 (tree_ssa_forward_propagate_single_use_vars): Return
7250 TODO_update_smt_usage if we need to update SMT usage.
7251 (pass_forwprop): Remove TODO_update_smt_usage.
7253 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7255 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7256 (correct_use_link): Remove reference to get_stmt_operands.
7257 (update_stmt_operands): Likewise.
7258 (get_modify_expr_operands): New function factored out of
7259 parse_ssa_operands and get_expr_operands.
7260 Try to create V_MUST_DEFs for LHS by default.
7261 (get_expr_operands) <case MODIFY_EXPR>: Call
7262 get_modify_expr_operands.
7263 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7264 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7265 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7266 get_modify_expr_operands.
7268 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7270 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7271 * tree-flow.h: Remove the prototype for
7272 referenced_var_lookup_if_exists.
7274 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7276 PR rtl-optimization/26345
7278 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7280 2006-03-03 Roger Sayle <roger@eyesopen.com>
7282 PR tree-optimization/26524
7283 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7284 fold_convert to create a constant of the appropriate type.
7286 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7288 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7289 SYMBOL_REF_IN_BLOCK_P.
7290 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7291 of SYMBOL_FLAG_IN_BLOCK.
7292 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7293 instead of SYMBOL_REF_IN_BLOCK_P.
7294 * explow.c (use_anchored_address): Likewise.
7295 * rtl.c (rtx_size): Likewise.
7296 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7297 instead of SYMBOL_FLAG_IN_BLOCK.
7298 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7299 SYMBOL_REF_IN_BLOCK_P.
7300 (assemble_variable): Likewise.
7301 (output_constant_def_contents): Likewise.
7302 (output_constant_pool): Likewise.
7303 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7304 instead of SYMBOL_FLAG_IN_BLOCK.
7305 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7306 SYMBOL_REF_IN_BLOCK_P.
7307 (SYMBOL_REF_BLOCK): Likewise.
7308 (SYMBOL_REF_OFFSET): Likewise.
7309 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7310 SYMBOL_REF_IN_BLOCK_P.
7311 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7312 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7313 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7314 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7316 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7318 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7320 2006-03-02 Roger Sayle <roger@eyesopen.com>
7322 * simplify-rtx.c (simplify_unary_operation): When simplifying
7323 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7324 that we perform the right shift in the appropriate mode, and
7325 then extend or truncate the result to requested mode.
7327 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7329 * gengtype.c (main): Handle double_int type.
7330 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7331 * double-int.c: New file.
7332 * double-int.h: New file.
7333 * system.h: Include doubleint.h.
7334 * Makefile.in (SYSTEM_H): Include double-int.h.
7335 (double-int.o): Add.
7337 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7340 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7343 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7345 * tree-vrp.c (remove_range_assertions): Do not update statements
7348 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7350 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7352 * gcse.c (rest_of_handle_gcse): Ditto.
7353 * except.c (gate_handle_eh): Ditto.
7354 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7355 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7357 2006-03-02 Eric Christopher <echristo@apple.com>
7359 * config/i386/i386.c (machopic_output_stub): Add indirection to
7362 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7366 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7368 Sun Niagara specific optimizations.
7369 * config.gcc: Recognize niagara as target.
7370 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7371 (TARGET_CPU_niagara): Define.
7372 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7373 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7374 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7375 (ASM_CPU_SPEC): Likewise.
7376 (PROCESSOR_NIAGARA): New enum entry.
7377 (REGISTER_MOVE_COST): Handle Niagara.
7378 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7379 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7380 (sparc_override_options): Recognize "niagara", set appropriate
7381 default MASK_* values for it, and align functions to 32-bytes
7382 by default just like ULTRASPARC/ULTRASPARC3.
7383 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7384 (sparc64_initialize_trampoline): Likewise.
7385 (sparc_use_sched_lookahead): Use zero for niagara.
7386 (sparc_issue_rate): Use one for niagara.
7387 * config/sparc/niagara.md: New file.
7388 * config/sparc/sparc.md: Include it.
7389 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7390 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7391 when default cpu is niagara.
7392 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7393 (ASM_CPU_SPEC): Likewise.
7394 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7395 when default cpu is niagara.
7396 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7397 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7398 just like v9/ultrasparc/ultrasparc3.
7399 * doc/invoke.texi: Add documentation for "niagara" and improve
7400 existing documentation for ultrasparc variants.
7402 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7404 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7406 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7408 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7409 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7410 and say that only one is needed.
7411 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7412 * target.h (have_switchable_bss_sections): New hook.
7413 * explow.c (use_anchored_address): Check that the symbol is in a block.
7414 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7415 (bss_noswitch_section): New variables.
7416 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7417 (get_noswitch_section): New function.
7418 (get_block_for_section): Allow SECT to be null.
7419 (unlikely_text_section_p): Use SECTION_STYLE.
7420 (bss_initializer_p): New function.
7421 (get_variable_section): Move earlier in file. Take a new argument,
7422 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7423 Return one of the new *_sections in such cases.
7424 (get_block_for_decl): New function, extracting some logic from
7425 use_blocks_for_decl_p.
7426 (change_symbol_section): Remove in favor of...
7427 (change_symbol_block): ...this new function.
7428 (use_blocks_for_decl_p): Remove checks now performed by
7430 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7431 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7432 (emit_local, emit_bss, emit_common): ...these new functions.
7433 Return true if the alignment was honored.
7434 (emit_tls_common): New function.
7435 (asm_emit_uninitialised): Delete.
7436 (assemble_variable_noswitch): New function, split out from...
7437 (assemble_variable): ...here. Don't make decisions about common
7438 variables here. Globalize all public decls that go into non-common
7439 sections. Check whether SYMBOL_REF_BLOCK is null.
7440 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7441 (output_constant_pool): Likewise.
7442 (init_varasm_once): Initialize the new section variables.
7443 (have_global_bss_p): New function.
7444 (categorize_decl_for_section): Use bss_initializer_p.
7445 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7446 (place_block_symbol): Assert that the symbol must be in a block.
7447 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7448 (TARGET_INITIALIZER): Include it.
7449 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7450 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7451 (SECTION_MACH_DEP): Bump by two.
7452 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7453 (unnamed_section): Mention SECTION_UNNAMED in comment.
7454 (named_section): Likewise SECTION_NAMED.
7455 (noswitch_section_callback): New type.
7456 (noswitch_section): New structure.
7457 (section): Add a noswitch_section alternative.
7458 (SECTION_STYLE): New macro.
7459 (tls_comm_section, comm_section, lcomm_section): Declare.
7460 (bss_noswitch_section, have_global_bss_p): Declare.
7461 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7462 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7464 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7465 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7468 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7470 * tree-vrp.c (execute_vrp): Return value.
7471 * regrename.c (rest_of_handle_regrename): Ditto.
7472 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7473 * tree-complex.c (tree_lower_complex): Ditto.
7474 (tree_lower_complex_O0): Ditto.
7475 * tracer.c (rest_of_handle_tracer): Ditto.
7476 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7477 * postreload.c (rest_of_handle_postreload): Ditto.
7478 * tree-tailcall.c (execute_tail_recursion): Ditto.
7479 (execute_tail_calls): Ditto.
7480 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7481 * tree.h (init_function_for_compilation): Ditto.
7482 * ipa-cp.c (ipcp_driver): Ditto.
7483 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7484 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7485 * final.c (compute_alignments): Ditto.
7486 (rest_of_handle_final): Ditto.
7487 (rest_of_handle_shorten_branches): Ditto.
7488 (rest_of_clean_state): Ditto.
7489 * omp-low.c (execute_expand_omp): Ditto.
7490 (execute_lower_omp): Ditto.
7491 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7492 * ipa-reference.c (static_execute): Ditto.
7493 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7494 * reorg.c (rest_of_handle_delay_slots): Ditto.
7495 (rest_of_handle_machine_reorg): Ditto.
7496 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7497 * flow.c (recompute_reg_usage): Ditto.
7498 (rest_of_handle_remove_death_notes): Ditto.
7499 (rest_of_handle_life): Ditto.
7500 (rest_of_handle_flow2): Ditto.
7501 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7502 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7503 (do_ssa_store_ccp): Ditto.
7504 (execute_fold_all_builtins): Ditto.
7505 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7506 * modulo-sched.c (rest_of_handle_sms): Ditto.
7507 * ipa-pure-const.c (static_execute): Ditto.
7508 * cse.c (rest_of_handle_cse): Ditto.
7509 (rest_of_handle_cse2): Ditto.
7510 * web.c (rest_of_handle_web): Ditto.
7511 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7512 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7513 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7514 * tree-nrv.c (tree_nrv): Ditto.
7515 (execute_return_slot_opt): Ditto.
7516 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7517 (create_structure_vars): Ditto.
7518 * loop-init.c (rtl_loop_init): Ditto.
7519 (rtl_loop_done): Ditto.
7520 (rtl_move_loop_invariants): Ditto.
7521 (rtl_unswitch): Ditto.
7522 (rtl_unroll_and_peel_loops): Ditto.
7523 (rtl_doloop): Ditto.
7524 * gimple-low.c (lower_function_body): Ditto.
7525 (mark_used_blocks): Ditto.
7526 * tree-ssa-sink.c (execute_sink_code): Ditto.
7527 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7528 (cgraph_early_inlining): Ditto.
7529 * global.c (rest_of_handle_global_alloc): Ditto.
7530 * jump.c (cleanup_barriers): Ditto.
7531 (purge_line_number_notes): Ditto.
7532 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7533 (rest_of_handle_if_after_reload): Ditto.
7534 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7535 (tree_ssa_loop_im): Ditto.
7536 (tree_ssa_loop_unswitch): Ditto.
7537 (tree_vectorize): Ditto.
7538 (tree_linear_transform): Ditto.
7539 (tree_ssa_loop_ivcanon): Ditto.
7540 (tree_ssa_empty_loop): Ditto.
7541 (tree_ssa_loop_bounds): Ditto.
7542 (tree_complete_unroll): Ditto.
7543 (tree_ssa_loop_prefetch): Ditto.
7544 (tree_ssa_loop_ivopts): Ditto.
7545 (tree_ssa_loop_done): Ditto.
7546 * predict.c (tree_estimate_probability): Ditto.
7547 * recog.c (split_all_insns_noflow): Ditto.
7548 (rest_of_handle_peephole2): Ditto.
7549 (rest_of_handle_split_all_insns): Ditto.
7550 * tree-eh.c (lower_eh_constructs): Ditto.
7551 * regmove.c (rest_of_handle_regmove): Ditto.
7552 (rest_of_handle_stack_adjustments): Ditto.
7553 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7554 * function.c (instantiate_virtual_regs): Ditto.
7555 (init_function_for_compilation): Ditto.
7556 (rest_of_handle_check_leaf_regs): Ditto.
7557 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7558 (rest_of_handle_gcse): Ditto.
7559 * ipa-type-escape.c (type_escape_execute): Ditto.
7560 * alias.c (rest_of_handle_cfg): Ditto.
7561 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7562 * profile.c (rest_of_handle_branch_prob): Ditto.
7563 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7564 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7565 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7566 * tree-dfa.c (find_referenced_vars): Ditto.
7567 * except.c (set_nothrow_function_flags): Ditto.
7568 (convert_to_eh_region_ranges): Ditto.
7569 (rest_of_handle_eh): Ditto.
7570 * emit-rtl.c (unshare_all_rtl): Ditto.
7571 (remove_unnecessary_notes): Ditto.
7572 * except.h (set_nothrow_function_flags): Ditto.
7573 (convert_to_eh_region_ranges): Ditto.
7574 * cfgexpand.c (tree_expand_cfg): Ditto.
7575 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7576 * tree-ssa-pre.c (do_pre): Ditto.
7577 (execute_fre): Ditto.
7578 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7579 (rest_of_handle_jump2): Ditto.
7580 * tree-sra.c (tree_sra): Ditto.
7581 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7582 (execute_mudflap_function_decls): Ditto.
7583 * tree-ssa-copy.c (do_copy_prop): Ditto.
7584 (do_store_copy_prop): Ditto.
7585 * ipa-prop.h (ipcp_driver): Ditto.
7586 * cfglayout.c (insn_locators_initialize): Ditto.
7587 * tree-ssa-forwprop.c
7588 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7589 * cfglayout.h (insn_locators_initialize): Ditto.
7590 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7591 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7592 (execute_late_warn_uninitialized): Ditto.
7593 * rtl.h (cleanup_barriers): Ditto.
7594 (split_all_insns_noflow): Ditto.
7595 (purge_line_number_notes): Ditto.
7596 (unshare_all_rtl): Ditto.
7597 (remove_unnecessary_notes): Ditto.
7598 (recompute_reg_usage): Ditto.
7599 (variable_tracking_main): Ditto.
7600 * integrate.c (emit_initial_value_sets): Ditto.
7601 * integrate.h (emit_initial_value_sets): Ditto.
7602 * tree-optimize.c (execute_free_datastructures): Ditto
7603 (execute_free_cfg_annotations): Ditto.
7604 (execute_fixup_cfg): Ditto.
7605 (execute_cleanup_cfg_pre_ipa): Ditto.
7606 (execute_cleanup_cfg_post_optimizing): Ditto.
7607 (execute_init_datastructures): Ditto.
7608 * tree-object-size.c (compute_object_sizes): Ditto.
7609 * combine.c (rest_of_handle_combine): Ditto.
7610 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7611 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7612 (rest_of_handle_reorder_blocks): Ditto.
7613 (rest_of_handle_partition_blocks): Ditto.
7614 * var-tracking.c (variable_tracking_main): Ditto.
7615 * tree-profile.c (tree_profiling): Ditto.
7616 * tree-vect-generic.c (expand_vector_operations): Ditto.
7617 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7618 * sched-rgn.c (rest_of_handle_sched): Ditto.
7619 (rest_of_handle_sched2): Ditto.
7620 * basic-block.h (free_bb_insn): Ditto.
7621 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7622 * tree-cfg.c (execute_build_cfg): Ditto.
7623 (remove_useless_stmts): Ditto.
7624 (split_critical_edges): Ditto.
7625 (execute_warn_function_return): Ditto.
7626 (execute_warn_function_noreturn): Ditto.
7627 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7628 * cfgrtl.c (free_bb_for_insn): Ditto.
7629 * passes.c (execute_one_pass): Run additional
7630 todos returned by execute function.
7631 * tree-pass.h (struct tree_opt_pass): Make execute
7634 2006-03-02 Richard Guenther <rguenther@suse.de>
7636 * tree-ssa-alias.c (find_used_portions): Consider taking
7637 the address as making the variable not write-only.
7639 2006-03-02 Nick Clifton <nickc@redhat.com>
7641 * config.gcc (default_use_cxa_atexit): Extend the description of
7642 this configure variable. Set its default value to "yes" for
7643 Linux, NetBSD and ELF targets on the assumption that they will
7644 use C libraries with the __cxa_atexit function.
7646 2006-03-02 Ben Elliston <bje@au.ibm.com>
7648 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7649 parameter as unused to suppress a build warning.
7651 2006-03-02 Ben Elliston <bje@au.ibm.com>
7653 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7656 2006-03-01 Roger Sayle <roger@eyesopen.com>
7659 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7660 declared name, the weak reference name, and the typeof name.
7661 (__gthrw): Avoid expanding the declared name suffix.
7662 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7664 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7666 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7668 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7669 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7670 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7671 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7672 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7673 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7674 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7675 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7676 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7677 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7678 (DW_END_default, DW_END_big, DW_END_little): New.
7679 (DW_END_lo_user, DW_END_hi_user): Define.
7680 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7681 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7682 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7685 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7687 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7689 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7691 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7693 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7695 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7696 to 'symbol_mem_tag'.
7698 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7701 2006-03-01 Roger Sayle <roger@eyesopen.com>
7703 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7705 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7708 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7709 MACHO_DYNAMIC_NO_PIC_P.
7710 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7712 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7715 * config/darwin-protos.h (darwin_asm_output_anchor):
7717 * config/darwin-sections.def (cstring_section):
7718 Add SECTION_MERGE to the flags.
7719 (literal4_section): Likewise.
7720 (literal8_section): Likewise.
7721 (objc_selector_refs_section): Likewise.
7722 (objc_cls_refs_section): Likewise.
7723 * config/darwin.c (darwin_asm_output_anchor): New
7725 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7727 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7729 Fix PR tree-optimization/26443
7730 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7731 to todo and PROP_tmt_usage to properties_destroyed.
7732 * tree-ssa-ccp.c (pass_ccp): Ditto.
7733 (pass_store_ccp): Ditto.
7734 * tree-ssa-dom.c (pass_dominator): Ditto.
7736 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7738 * tree-ssa-operands.c: Cleanup whitespace.
7739 (get_asm_expr_operands): Move before first invocation.
7740 (get_indirect_ref_operands): Likewise.
7741 (get_tmr_operands): Likewise.
7742 (get_call_expr_operands): Likewise.
7743 (append_def): Likewise.
7744 (append_use): Likewise.
7745 (append_v_may_def): Likewise.
7746 (append_v_must_def): Likewise.
7747 (add_call_clobber_ops): Likewise.
7748 (add_call_read_ops): Likewise.
7749 (add_stmt_operand): Likewise.
7750 (add_virtual_operand): Likewise.
7751 (build_ssa_operands): Likewise.
7753 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7758 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7759 with a call expr to ...
7760 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7762 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7764 * tree-vrp.c (extract_range_from_assert): Remove special
7765 handling for types with super-types.
7767 2006-03-01 Ben Elliston <bje@au.ibm.com>
7769 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7770 and powerpc64-*-linux* configurations.
7771 * config/t-dfprules: New file.
7773 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7774 Compile dfp-bit.c from the source directory using -DWIDTH and
7775 $DFP_CFLAGS to control the compilation of that file, rather than
7776 generating width-specific versions in the build directory.
7777 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7778 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7780 2006-02-28 Zack Weinberg <zackw@panix.com>
7782 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7785 2006-02-28 Eric Christopher <echristo@apple.com>
7787 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7788 Set up IN_LIBGCC definition of TARGET_64BIT.
7789 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7791 2006-02-28 Roger Sayle <roger@eyesopen.com>
7794 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7795 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7796 cases via the construction of "expr != 0".
7798 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7800 * alias.c (alias_invariant, alias_invariant_size): Remove.
7801 (record_base_value): Remove.
7802 (memrefs_conflict_p): Don't look at alias_invariant.
7803 (end_alias_analysis): Don't free it.
7804 * alias.h (record_base_value): Remove prototype.
7806 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7807 Adam Nemet <anemet@caviumnetworks.com>
7809 * rtl.h (truncated_to_mode): Declare it.
7810 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7811 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7812 (RTL_HOOKS_INITIALIZER): Include it.
7813 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7814 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7815 reg_truncated_to_mode.
7816 * rtlanal.c (truncated_to_mode): Define it.
7817 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7819 2006-02-28 Jeff Law <law@redhat.com>
7821 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7822 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7823 the range allowed by TYPE_PRECISION.
7825 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7827 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7829 PR tree-optimization/26419
7830 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7833 2006-02-27 Zack Weinberg <zackw@panix.com>
7835 * doc/md.texi: Fix typo in previous change.
7837 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7841 2006-02-27 Zack Weinberg <zackw@panix.com>
7843 * rtl.def (define_constraint, define_register_constraint)
7844 (define_memory_constraint, define_address_constraint): New MD forms.
7845 * gensupport.c (process_rtx): Put define_constraint etc on the
7847 * genpreds.c (process_define_predicate): Adjust comment. Validate
7848 the name, and call validate_exp to validate the expression.
7849 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7850 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7851 all callers changed.
7852 (validate_exp, needs_variable, struct constraint_data)
7853 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7854 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7855 (const_dbl_constraints, constraint_max_namelen)
7856 (have_register_constraints, have_memory_constraints)
7857 (have_address_constraints, have_address_constraints)
7858 (have_extra_constraints, have_const_int_constraints)
7859 (have_const_dbl_constraints, mangle, add_constraint)
7860 (process_define_constraint, process_define_register_constraint)
7861 (write_enum_constraint_num, write_lookup_constraint)
7862 (write_insn_constraint_len, write_regclass_for_constraint)
7863 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7864 (write_insn_extra_memory_constraint)
7865 (write_insn_extra_address_constraint)
7866 (write_satisfies_constraint_fns): New.
7867 (write_tm_preds_h): If we have new-style constraint definitions,
7868 prototype the functions generated from them, and define the
7869 old constraint interface (still used by generic code) in terms of
7871 (write_insn_preds_c): If we have new-style constraint definitions,
7872 generate all relevant functions from those definitions.
7873 (main): Handle define_constraint etc.
7874 * genoutput.c (struct constraint_data, indep_constraints)
7875 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7876 (mdep_constraint_len): New data structures and functions, defined
7877 #ifdef USE_MD_CONSTRAINTS.
7878 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7879 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7880 use new logic to validate operand constraints against constraint
7882 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7884 * defaults.h: If none of the old-style constraint macros are
7885 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7886 old-style macros; and poison REG_CLASS_FROM_LETTER,
7887 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7889 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7890 * doc/md.texi: Document new constraint-definition mechanism and the
7891 C interface it provides. Remove references to old mechanism
7892 elsewhere in the document.
7893 (Machine Constraints): Use pathnames relative to gcc directory,
7894 i.e. config/ARCH/FILE. Change i386 section to refer to
7895 config/i386/predicates.md; update that section to match docstrings.
7896 * doc/tm.texi: Move all documentation of the old constraint-
7897 definition macros to their own section, clearly mark as obsolete.
7899 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7900 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7902 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7903 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7904 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7906 (splits and peepholes): Use satisfies_constraint_*.
7907 * config/i386/i386.c (memory_address_length)
7908 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7910 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7912 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7913 scalar operation to be put back into the loop.
7915 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7918 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7919 (extract_cie_info): Handle S flag in augmentation string.
7920 (execute_cfa_program): If context->signal_frame, execute also
7921 fs->pc == context->ra instructions.
7922 (uw_frame_state_for): If context->signal_frame, don't subtract one
7923 from context->ra to find FDE.
7924 (uw_update_context_1): Set context->signal_frame to
7926 (_Unwind_GetIPInfo): New function.
7927 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7928 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7930 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7931 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7932 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7933 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7934 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7935 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7936 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7937 x86_64_fallback_frame_state): Set fs->signal_frame.
7938 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7939 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7940 (frob_update_context): Likewise. Workaround missing S flag in
7941 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7942 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7943 Remove the psw_addr + 1 hack.
7945 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7947 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7948 with aggregates here.
7949 (find_func_aliases): Remove code for &<aggregate> from here.
7951 2006-02-26 Roger Sayle <roger@eyesopen.com>
7953 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7954 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7955 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7958 2006-02-26 Roger Sayle <roger@eyesopen.com>
7961 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7963 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7965 * opts.c (decode_options): Do not handle flag_strength_reduce.
7966 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7967 and OPT_fstrength_reduce.
7968 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7969 flag_prefetch_loop_arrays for being nonzero.
7970 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7972 (fprefetch-loop-arrays-rtl): Removed.
7973 (flag_prefetch_loop_arrays): Do not specify the value.
7975 * doc/passes.texi: Update documentation of loop optimizer
7977 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7978 -frerun-loop-opt): Remove.
7980 2006-02-26 Richard Guenther <rguenther@suse.de>
7982 PR tree-optimization/26421
7983 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7984 in function calls that are ADDR_EXPRs as using the whole structure.
7986 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7988 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7989 * tree-pass.h (pass_loop_optimize): Remove.
7990 * passes.c (pass_loop_optimize): Never run it.
7991 * toplev.c (backend_init): Don't call init_loop.
7992 * opts.c (flag_loop_optimize_set): Remove.
7993 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7994 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7995 the old RTL loop optimizer when profiling enabled.
7996 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7997 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7998 pre-headers for the sake of the old RTL loop optimizer.
7999 * Makefile.in: Remove all references to loop.o.
8001 * doc/invoke.texi: Remove all references to -floop-optimize
8002 and -frerun-loop-opt.
8004 2006-02-26 Zack Weinberg <zackw@panix.com>
8006 * doc/md.texi (Machine Constraints): Refer to all files with paths
8007 relative to gcc directory (i.e. config/CPU/file). Add missing
8008 @table @code ... @end table to M32C subsection.
8010 2006-02-26 Roger Sayle <roger@eyesopen.com>
8012 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8014 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8016 2006-02-26 Roger Sayle <roger@eyesopen.com>
8017 James A. Morrison <phython@gcc.gnu.org>
8020 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8021 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8022 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8023 signedness of the shift operation.
8025 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8027 PR tree-optimization/26359
8028 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8030 2006-02-25 Roger Sayle <roger@eyesopen.com>
8032 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8033 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8034 as X == 0, and some symmetry related transformations.
8035 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8037 2006-02-25 Roger Sayle <roger@eyesopen.com>
8040 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8041 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8042 symmetry related transformations. Fold (X^C1) == C2 as
8045 2006-02-25 Juergen Weigert <jw@suse.de>
8046 Richard Guenther <rguenther@suse.de>
8048 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8050 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8052 * combine.c (gen_lowpart_or_truncate): Call
8053 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8055 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8057 * doc/invoke.texi: Move -fopenmp description to "Options for
8059 Remove reference to -lgomp.
8061 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8063 * doc/install.texi: Require GNU tar version 1.14.
8065 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8067 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8068 * doc/invoke.texi (C++ Dialect Options): Document
8069 -fno-use-cxa-get-exception-ptr.
8070 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8071 * configure: Regenerate.
8072 * c.opt (fuse-cxa-get-exception-ptr): New.
8073 * c-opts.c (c_common_handle_option): Handle
8074 OPT_fuse_cxa_get_exception_ptr.
8075 * c-common.c (flag_use_cxa_atexit): Update documentation.
8076 (flag_use_cxa_get_exception_ptr): New.
8077 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8078 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8080 (C_COMMON_OVERRIDE_OPTIONS): New.
8082 2006-02-24 Roger Sayle <roger@eyesopen.com>
8085 * combine.c (try_combine): Explicitly check whether GET_CODE is
8086 a SET or a CLOBBER, instead on checking that it isn't a USE.
8088 2006-02-24 Roger Sayle <roger@eyesopen.com>
8090 * fold-const.c (fold_comparison): New subroutine of fold_binary
8091 containing transformations common to both the equality and
8092 ordering relational operators, factored out of fold_binary.
8093 (fold_binary): Separate out the equality operators (EQ_EXPR
8094 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8095 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8096 transformations common to both.
8097 (fold_div_compare): Fix latent bugs in the previously unreachable
8098 LT_EXPR and GE_EXPR cases.
8100 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8102 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8103 decl libname for clog to __clog on AIX.
8105 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8107 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8110 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8111 output traceback table for thunks. Localise rs6000_stack_info call.
8113 2006-02-23 Roger Sayle <roger@eyesopen.com>
8114 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8116 * gthr-posix.h (__gthrw): Fix typo in comment.
8118 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8120 * doc/cpp.texi (Character sets): Document that we do support
8121 input files to be in any character set.
8123 2006-02-23 Jeff Law <law@redhat.com>
8125 * tree.h (PHI_ARG_NONZERO): Remove.
8126 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8127 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8128 node to the new node.
8130 PR tree-optimization/26425
8131 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8132 min/max, then assume its varying.
8134 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8136 PR rtl-optimization/26316
8137 * rtlanal.c (enum may_trap_p_flags): New.
8138 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8139 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8140 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8141 (may_trap_after_code_motion_p): New function.
8142 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8143 (find_invariant_insn): Use may_trap_after_code_motion_p.
8144 * rtl.h (may_trap_after_code_motion_p): Declare.
8146 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8148 * emit-rtl.c (immed_double_const): Cleanup.
8150 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8152 Fix PR tree-optimization/26376
8153 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8156 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8159 * gimplify.c (omp_add_variable): Guard variable size decl test with
8160 DECL_SIZE (decl) check.
8162 2006-02-23 Richard Guenther <rguenther@suse.de>
8165 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8166 like aggregate types.
8168 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8170 * configure.ac: Add --with{,out}-long-double-128 configure option.
8171 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8172 * configure: Rebuilt.
8173 * config.in: Rebuilt.
8174 * doc/install.texi (Options specification): Document
8175 --with-long-double-128.
8177 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8178 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8179 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8180 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8182 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8184 * config/s390/s390.c (override_options): Handle
8185 TARGET_DEFAULT_LONG_DOUBLE_128.
8187 * config/alpha/alpha.c (override_options): Handle
8188 TARGET_DEFAULT_LONG_DOUBLE_128.
8190 * config/sparc/sparc.c (sparc_override_options): Handle
8191 TARGET_DEFAULT_LONG_DOUBLE_128.
8193 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8195 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8196 (real-install-headers-tar, real-install-headers-cpio)
8197 (real-install-headers-cp): New targets.
8199 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8201 * tree.h (variable_section): Delete.
8202 * varasm.c (variable_section): Delete.
8204 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8206 * install.texi: Add notes on install.texi2html.
8207 (Building in parallel): Do not use footnotes.
8209 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8212 * doc/install.texi (Configuration): Document --disable-libgomp.
8214 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8216 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8218 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8220 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8221 (vec_extractv2df_0_sse): New.
8223 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8225 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8226 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8227 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8228 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8229 to the result of the expression.
8230 (def_cfa_1): Adjust.
8231 (frame_pointer_cfa_offset): Rename to...
8232 (frame_pointer_fb_offset): ... this. Adjust all uses.
8233 (convert_cfa_to_loc_list): Rename to...
8234 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8235 Pass it on to build_cfa_loc.
8236 (compute_frame_pointer_to_cfa_displacement): Rename to...
8237 (compute_frame_pointer_to_fb_displacement): ... this. New
8238 offset parameter. Use it in computation.
8239 (gen_subprogram_die): Compute cfa_fb_offset with the new
8240 macro, and use it to compute the fb loc list and the
8243 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8245 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8246 replaced with register_operand.
8247 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8248 non-DREG is expensive.
8249 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8250 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8253 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8255 * doc/install.texi2html: Use set -e.
8257 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8259 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8260 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8261 * doc/invoke.texi (-fshared-data): Delete.
8262 * common.opt (fshared-data): Delete.
8263 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8264 (assemble_static_space): Remove #if 0 code.
8265 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8266 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8267 * config/cris/cris.h: Remove FIXME.
8269 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8271 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8274 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8277 * combine.c (simplify_shift_const_1): Disable nested shifts
8278 optimization for vector shifts.
8280 2006-02-20 Roger Sayle <roger@eyesopen.com>
8282 PR tree-optimization/26361
8283 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8284 of unsigned integer types.
8286 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8288 * tree-chrec.c (eq_evolutions_p): New.
8289 * tree-chrec.h (eq_evolutions_p): Declared.
8290 * tree-data-ref.c: Fix formatting.
8291 (datadep_stats, dependence_stats): New.
8293 (print_direction_vector): New.
8294 (dump_data_dependence_relation): Use print_direction_vector.
8295 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8296 (compute_subscript_distance): Static.
8297 (initialize_data_dependence_relation): Static. Get the number
8298 of loops surrounding the references from the callers, and initialize
8299 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8300 base_object_differ_p analyzers.
8301 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8302 compute_overlap_steps_for_affine_1_2,
8303 analyze_subscript_affine_affine): Count the classified dependences.
8304 Print a message when a test failed.
8305 (can_use_analyze_subscript_affine_affine): New.
8306 (analyze_siv_subscript): Compute the data dependences on symbolic
8307 scevs that verify can_use_analyze_subscript_affine_affine.
8308 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8309 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8310 Handle symbolic scevs.
8311 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8313 (subscript_dependence_tester): Moved...
8314 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8315 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8316 DDR_SIZE_VECT instead of getting it in parameter.
8317 (subscript_dependence_tester): ... here. Take as a parameter
8318 loop_nest_depth. Call build_classic_dist_vector and
8319 build_classic_dir_vector.
8320 (compute_affine_dependence): Update subscript_dependence_tester
8321 parameters. Update datadep_stats counters. Call
8322 compute_subscript_distance.
8323 (compute_self_dependence): Save the dist and dir vectors. Call
8324 compute_subscript_distance.
8325 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8326 (compute_all_dependences): Reorder parameters as they were before
8327 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8328 compute_subscript_distance. Update the use of
8329 compute_affine_dependence and initialize_data_dependence_relation.
8330 (find_data_references_in_loop): Handle COMPONENT_REF.
8331 (compute_data_dependences_for_loop): Initialize dependence_stats.
8332 Don't call build_classic_dist_vector and build_classic_dir_vector.
8333 Update the parameters of initialize_data_dependence_relation and
8334 compute_all_dependences. Print the statistics from datadep_stats.
8335 (analyze_all_data_dependences): Static. Not used until the pass for
8336 checking the data dependences is contributed.
8337 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8338 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8339 (initialize_data_dependence_relation, compute_affine_dependence,
8340 analyze_all_data_dependences, compute_subscript_distance): Removed.
8341 (print_direction_vector): New.
8342 * lambda.h (gcd): ... here.
8343 (lambda_vector_gcd): Moved here from gcd_vector.
8344 * lambda-code.c (gcd, gcd_vector): Removed.
8345 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8346 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8348 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8350 * ipa-type-escape.c: Tidy some comments and white space.
8351 * tree-ssa-operands.c: Likewise.
8353 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8356 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8357 (dump_decl_name): Do not walk the decl tree chains.
8358 * tree-pass.h (TDF_CHAIN): Remove.
8360 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8362 * Makefile.in (C): Remove
8364 (.PHONY): Remove C and PROTO
8366 2006-02-20 Roger Sayle <roger@eyesopen.com>
8369 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8370 deprecated CHAR_TYPE tree code.
8372 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8374 * configure.ac (target_list): Add install-info, dvi, html.
8375 * configure: Regenerate.
8377 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8378 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8379 treelang/Make-lang.in: Do not use double-colon rules.
8381 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8383 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8384 (TMT_USED_ALONE): New macro.
8385 * tree-pass.h (PROP_tmt_usage): New property.
8386 (TODO_update_tmt_usage): New todo.
8387 * tree-ssa-alias.c (updating_used_alone): New variable.
8388 (recalculate_used_alone): New function.
8389 (compute_may_aliases): Set updating_used_alone, call
8390 recalculate_used_alone.
8391 * tree-sra.c (pass_sra): Note that this pass destroys
8392 PROP_tmt_usage, and add TODO_update_tmt_usage.
8393 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8394 * tree-flow.h (updating_used_alone): Prototype.
8395 (recalculate_used_alone): Ditto.
8396 * passes.c (execute_todo): Add code to set updating_used_alone,
8397 and call recalculate.
8398 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8399 for clobber if used alone, and add assert to verify used_alone
8402 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8404 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8405 for non tls symbols added.
8406 (legitimize_address): Do nothing for PLUS expressions if one of the
8407 addends is a tls symbol reference.
8409 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8413 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8415 * Makefile.in (BOOTSTRAPPING): New.
8416 (quickstrap): New definition if BOOTSTRAPPING=yes.
8418 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8419 * configure.ac: Substitute all_selected_languages with the languages
8420 that were configured. For all the other variables except
8421 lang_specs_files, include all the languages in the tree.
8422 * configure: Regenerate.
8424 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8425 if there is one. Run the commands to run fixincludes in the same
8428 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8429 * doc/install.texi: Document exact conventions for searching target tools.
8430 Document --with-build-time-tools. Document toplevel bootstrap. Document
8431 something more about building an Ada cross-compiler. Don't list GNU Make
8432 requirements which affect all platforms.
8434 2006-02-19 Roger Sayle <roger@eyesopen.com>
8437 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8438 only equivalent if the have both the same mode and precision.
8440 2006-02-20 Ben Elliston <bje@au.ibm.com>
8442 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8444 2006-02-19 Roger Sayle <roger@eyesopen.com>
8445 Steven Bosscher <stevenb.gcc@gmail.com>
8447 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8448 constant pool references to identify stack mode constants.
8449 * rtlanal.c (constant_pool_constant_p): New predicate to check
8450 whether operand is a floating point constant in the pool.
8451 * rtl.h (constant_pool_constant_p): Prototype here.
8452 * loop.c (scan_loop): Avoid hoisting constants from the constant
8453 pool on STACK_REGS targets.
8454 (load_mems): Likewise.
8455 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8456 loads into x87 registers expensive in terms of register pressure.
8458 2006-02-19 Roger Sayle <roger@eyesopen.com>
8460 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8461 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8463 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8465 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8466 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8468 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8470 * doc/invoke.texi: Document -fipa-pta.
8471 * common.opt: Add ipa-pta option.
8472 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8473 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8474 (do_ds_constraint): Ditto.
8475 (get_constraint_for): Only add to referenced_vars if
8476 referenced_vars exists.
8477 (insert_into_field_list): Rewrite to do this unsorted.
8478 (insert_into_field_list_sorted): Rename old insert_into_field_list
8480 (create_function_info_for): Use insert_into_field_list_sorted.
8481 (create_variable_info_for): Rewrite so it uses unsorted version,
8482 since the field list is sorted.
8483 (intra_create_variable_infos): Only add to referenced_vars if
8484 referenced_vars exists.
8485 (ipa_pta_execute): Init heapvars, and delete when done.
8486 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8488 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8490 * doc/install.texi: Add missing `@samp'.
8492 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8494 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8497 2006-02-18 Mark Wielaard <mark@klomp.org>
8499 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8500 who added new 4.1 features, bug fixes and integration support.
8502 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8505 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8508 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8510 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8511 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8512 (copy_insn_1): Likewise. Don't copy each field individually.
8514 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8516 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8517 * rtl.c (rtx_size): Rename variable to...
8518 (rtx_code_size): ...this.
8519 (rtx_size): New function.
8520 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8521 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8523 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8524 * rtl.h (rtx_code_size): New variable.
8525 (rtx_size): Change from a variable to a function.
8526 (RTX_SIZE): Rename to...
8527 (RTX_CODE_SIZE): ...this.
8530 PR tree-optimization/17106
8531 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8532 (Anchored Addresses): New section.
8533 * doc/invoke.texi (-fsection-anchors): Document.
8534 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8535 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8536 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8537 * hooks.c (hook_bool_mode_rtx_false): New function.
8538 * hooks.h (hook_bool_mode_rtx_false): Declare.
8539 * gengtype.c (create_optional_field): New function.
8540 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8541 SYMBOL_REF_IN_BLOCK_P is true.
8542 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8543 (min_anchor_offset, max_anchor_offset): Likewise.
8544 (use_anchors_for_symbol_p): New hook.
8545 * toplev.c (compile_file): Call output_object_blocks.
8546 (target_supports_section_anchors_p): New function.
8547 (process_options): Check that -fsection-anchors is only used on
8548 targets that support it and when -funit-at-a-time is in effect.
8549 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8550 if the decl doesn't have one.
8551 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8552 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8553 of force_const_mem through use_anchored_address.
8554 (expand_expr_constant): New function.
8555 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8556 calling expand_expr for INDIRECT_REF.
8557 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8558 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8559 * expr.h (use_anchored_address): Declare.
8560 * loop-unroll.c: Don't declare rtx vectors here.
8561 * explow.c: Include output.h.
8562 (validize_mem): Call use_anchored_address.
8563 (use_anchored_address): New function.
8564 * common.opt (-fsection-anchors): New switch.
8565 * varasm.c (object_block_htab, anchor_labelno): New variables.
8566 (hash_section, object_block_entry_eq, object_block_entry_hash)
8567 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8568 (use_blocks_for_decl_p, change_symbol_section): New functions.
8569 (get_variable_section): New function, split out from assemble_variable.
8570 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8571 use_blocks_for_decl_p say so. Use change_symbol_section if the
8572 symbol has already been created.
8573 (assemble_variable_contents): New function, split out from...
8574 (assemble_variable): ...here. Don't output any code for
8575 block symbols; just pass them to place_block_symbol.
8576 Use get_variable_section and assemble_variable_contents.
8577 (get_constant_alignment, get_constant_section, get_constant_size): New
8578 functions, split from output_constant_def_contents.
8579 (build_constant_desc): Create a block symbol if use_object_blocks_p
8580 says so. Or into SYMBOL_REF_FLAGS.
8581 (assemble_constant_contents): New function, split from...
8582 (output_constant_def_contents): ...here. Don't output any code
8583 for block symbols; just pass them to place_section_symbol.
8584 Use get_constant_section and get_constant_alignment.
8585 (force_const_mem): Create a block symbol if use_object_blocks_p and
8586 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8587 (output_constant_pool_1): Add an explicit alignment argument.
8588 Don't switch sections here.
8589 (output_constant_pool): Adjust call to output_constant_pool_1.
8590 Switch sections here instead. Don't output anything for block symbols;
8591 just pass them to place_block_symbol.
8592 (init_varasm_once): Initialize object_block_htab.
8593 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8594 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8595 (place_block_symbol, get_section_anchor, output_object_block)
8596 (output_object_block_htab, output_object_blocks): New functions.
8597 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8598 (TARGET_ASM_OUT): Include it.
8599 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8600 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8601 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8602 (TARGET_INITIALIZER): Include them.
8603 * rtl.c (rtl_check_failed_block_symbol): New function.
8604 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8605 (block_symbol, object_block): New structures.
8606 (rtx_def): Add a block_symbol field to the union.
8607 (BLOCK_SYMBOL_CHECK): New macro.
8608 (rtl_check_failed_block_symbol): Declare.
8609 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8610 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8611 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8612 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8613 * output.h (output_section_symbols): Declare.
8614 (object_block): Name structure.
8615 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8616 (default_use_anchors_for_symbol_p): Declare.
8617 * Makefile.in (RTL_BASE_H): Add vec.h.
8618 (explow.o): Depend on output.h.
8619 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8620 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8621 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8622 (rs6000_use_blocks_for_constant_p): New function.
8624 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8626 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8628 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8631 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8634 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8636 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8640 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8643 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8644 instead of DECL_REGISTER.
8646 2006-02-18 Olivier Hainque <hainque@adacore.com>
8649 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8651 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8654 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8655 * opth-gen.awk: Handle Var and InverseMask together.
8656 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8657 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8658 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8659 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8661 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8662 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8663 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8664 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8665 LINUX_DYNAMIC_LINKER): Define.
8666 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8667 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8669 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8670 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8671 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8672 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8673 (TARGET_C99_FUNCTIONS): Don't define.
8674 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8675 GLIBC_DYNAMIC_LINKER.
8676 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8677 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8678 GLIBC_DYNAMIC_LINKER64): Define.
8679 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8680 LINUX_DYNAMIC_LINKER64.
8681 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8682 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8683 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8685 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8686 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8687 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8688 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8689 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8691 and LINUX_DYNAMIC_LINKER32.
8692 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8693 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8694 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8695 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8696 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8698 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8699 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8700 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8701 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8702 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8703 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8704 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8705 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8706 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8707 LINUX_DYNAMIC_LINKER): Define.
8708 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8709 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8710 GLIBC_DYNAMIC_LINKER64): Define.
8711 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8712 LINUX_DYNAMIC_LINKER64.
8713 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8714 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8715 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8716 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8717 LINUX_DYNAMIC_LINKER): Define.
8718 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8719 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8720 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8721 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8722 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8723 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8724 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8725 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8726 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8727 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8729 * doc/invoke.texi (-muclibc): Remove caveat about supported
8732 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8734 * doc/cpp.texi (__TIMESTAMP__): Document.
8736 2006-02-17 Roger Sayle <roger@eyesopen.com>
8739 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8740 C is one less than the width of X (and related transformations).
8741 * simplify-rtx.c (simplify_unary_operation_1): Transform
8742 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8743 depending on STORE_FLAG_VALUE, were C is one less then the
8746 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8748 Fix PR tree-optimization/26341
8749 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8750 about NAME_MEMORY_TAG's.
8752 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8755 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8756 with hardware float support, and software float support. Add fcpy
8757 alternative to hardware patterns. Add alternatives to copy between
8758 general and floating-point registers to the 32-bit pattern.
8759 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8760 secondary reload to load a QI or HI mode constant into a floating
8762 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8763 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8765 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8768 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8770 (load_macho_picbase_di): Likewise.
8772 2006-02-16 Jeff Law <law@redhat.com>
8774 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8775 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8776 (ssa_name_nonzero_p): Likewise.
8777 (get_value_range): Return NULL if VRP is not running.
8778 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8779 VRP routines do not discover a range.
8780 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8781 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8782 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8783 (tree_expr_nonnegative_p): Similarly.
8784 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8785 (restore_nonzero_vars_to_original_value): Remove.
8786 (unsafe_associative_fp_binop): Remove.
8787 (tree_ssa_dominator_optimize): Remove initialization and
8788 finalization of nonzero_vars and nonzero_vars_stack.
8789 (dom_opt_initialize_block): No longer push marker on
8791 (dom_opt_finalize_block): No longer call
8792 restore_nonzero_vars_to_original_value.
8793 (record_equivalences_from_phis): No longer look for
8794 nonzero PHI arguments.
8795 (cprop_into_successor_phis): No longer propagate nonzero
8796 property into PHI arguments. Lose unused argument. Caller
8798 (record_equivalences_from_stmt): No longer record nonzero
8799 values for SSA_NAMEs.
8800 (lookup_avail_expr): No longer use nonzero_vars.
8802 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8803 for sizetype when sizetype is unsigned.
8805 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8807 PR rtl-optimization/25603
8808 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8809 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8810 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8811 with new meaning of SETS.
8813 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8818 * config/linux.opt: New file.
8819 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8820 LINUX_DYNAMIC_LINKER): Define.
8821 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8822 * config.gcc (*-*-linux*): Define extra_options.
8823 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8824 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8825 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8826 GLIBC_DYNAMIC_LINKER.
8827 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8828 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8829 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8830 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8831 * doc/invoke.texi (GNU/Linux Options): New section.
8833 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8835 * config/sparc/sparc.md (setjmp): Rewrite.
8836 (setjmp_32): Delete.
8837 (setjmp_64): Likewise.
8839 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8841 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8844 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8846 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8849 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8851 PR rtl-optimization/26296
8852 * Makefile.in (loop-invariant.c): Add except.h dependency.
8853 * loop-invariant.c: Include except.h.
8854 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8856 2005-02-16 Paul Brook <paul@codesourcery.com>
8858 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8861 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8863 PR rtl-optimization/25636
8864 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8865 when deciding whether an insn is an initializing insn.
8867 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8869 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8870 (tree_code_size): Ditto.
8871 * tree.h (struct tree_memory_tag): Remove parent_var.
8872 (struct tree_struct_field_tag): New.
8875 (union tree_node): Add sft member.
8876 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8878 (create_sft): Add size and offset argument, set SFT_OFFSET and
8880 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8881 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8882 * tree-flow-inline.h (get_subvar_at): Update for
8883 SFT_OFFSET/SFT_SIZE.
8884 (var_can_have_subvars): Ditto.
8885 (overlap_subvar): Ditto.
8886 * print-tree.c (print_node): Print out interesting things for
8888 * tree-flow.h (struct subvar): Remove offset and size members.
8889 * tree-ssa-operands.c (get_expr_operands): Update for
8890 get_indirect_ref_operands changes.
8891 (get_indirect_ref_operands): Call add_virtual_operand instead of
8892 add_stmt_operand. Only recurse on base var if requested.
8893 (access_can_touch_variable): New function.
8894 (add_stmt_operand): Split virtual operand handling into ...
8895 (add_virtual_operand): Here. Add offset, size, and for_clobber
8896 arguments. Prune alias sets.
8897 (add_call_clobber_ops): Call add_virtual_operand.
8899 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8902 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8904 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8905 than TREE_CODE as index into omp_clause_num_ops array.
8907 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8909 PR rtl-optimization/26184
8910 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8912 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8913 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8914 must_precede, must_follow and tobe_scheduled.
8917 * opts.c (common_handle_option): Free new_option pointer.
8918 * df-core.c (df_analyze): Free postorder pointer.
8920 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8922 * Makefile.in: Fix the examples about the use of stamps
8924 2006-02-15 Michael Matz <matz@suse.de>
8928 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8929 influenced by maximum_field_alignment or DECL_PACKED.
8930 (update_alignment_for_field): Ditto.
8931 (place_field): Ditto.
8932 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8935 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8937 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8938 (debug_flow_info): Pass it.
8939 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8940 * bb-reorder.c (reorder_basic_blocks): Likewise.
8941 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8942 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8943 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8944 * gcse.c (gcse_main, bypass_jumps): Likewise.
8945 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8946 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8947 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8948 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8949 * rtl.h (dump_flow_info): Adjust prototype.
8950 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8951 * var-tracking.c (variable_tracking_main): Likewise.
8952 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8953 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8956 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8958 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8961 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8963 PR tree-optimization/26209
8964 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8965 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8967 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8969 2006-02-14 Roger Sayle <roger@eyesopen.com>
8972 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8973 (X,Y) and the corresponding symmetry related transformations.
8974 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8975 (X,Y) and its symmetry related transformations.
8977 2006-02-14 Roger Sayle <roger@eyesopen.com>
8979 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8982 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8984 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8986 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8989 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8990 support COMDAT group.
8991 * configure: Regenerate.
8993 2006-02-14 Roger Sayle <roger@eyesopen.com>
8998 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9000 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9002 Fix PR tree-optimization/26260
9004 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9006 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9007 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9008 * tree-ssa-structalias.c (create_variable_info_for): Use
9009 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9011 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9013 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9015 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9016 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9017 of the ending condition.
9018 * tree-ssa-loop-manip.c: Include params.h.
9019 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9020 tree_unroll_loop): New functions.
9021 * tree-pass.h (pass_loop_prefetch): Declare.
9022 * loop.c (rest_of_handle_loop_optimize): Test for
9023 -fprefetch-loop-arrays-rtl.
9024 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9025 * timevar.def (TV_TREE_PREFETCH): New timevar.
9026 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9027 pass_loop_prefetch): New.
9028 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9029 (cleanup_tree_cfg_loop): Call scev_reset.
9030 * common.opt (fprefetch-loop-arrays-rtl): Add.
9031 * tree-ssa-loop-prefetch.c: New file.
9032 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9033 (new_temp_expr_table): Initialize expr_vars.
9034 (free_temp_expr_table): Cleanup expr_vars.
9035 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9036 expressions from being merged into one.
9037 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9038 (struct tree_niter_desc): Add control, bound and cmp fields.
9039 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9041 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9042 (tree-cfgcleanup.o): Add SCEV_H dependency.
9043 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9044 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9046 2006-02-14 Richard Guenther <rguenther@suse.de>
9048 PR tree-optimization/26258
9049 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9050 in PHI argument processing.
9052 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9054 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9055 new expression in the requested machine mode.
9057 2006-02-13 Roger Sayle <roger@eyesopen.com>
9059 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9060 directly, instead let do_compare_rtx_and_jump handle this for us.
9061 * expr.c (expand_expr_real_1): Likewise.
9062 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9063 before do_jump_by_parts_greater.
9064 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9065 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9067 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9069 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9071 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9073 PR rtl-optimization/26235
9074 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9075 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9078 2006-02-13 Jeff Law <law@redhat.com>
9080 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9083 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9086 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9087 twice if decl is a builtin. When trying again, call get_callee_fndecl
9088 first to verify it is still a builtin.
9090 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9092 * dwarf2out.c (base_type_die): Don't add AT_name here.
9093 (subrange_type_die): Don't add AT_name here.
9094 (modified_type_die): Rearrange code flow. Do add AT_name here.
9096 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9098 PR rtl-optimization/26247
9099 PR rtl-optimization/26248
9100 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9102 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9104 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9105 * config/fixtfdi.c: Likewise.
9106 * config/fixunstfdi.c: Likewise.
9107 * config/floatditf.c: Likewise.
9109 2006-02-13 Roger Sayle <roger@eyesopen.com>
9112 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9113 into (X,C2) if C1 is a subset of the bits of C2. Transform
9114 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9116 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9118 2006-02-13 Josh Conner <jconner@apple.com>
9121 * varasm.c (function_section): Check for section name before
9122 calling select_section on targets that define
9123 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9124 unlikely_text_section instead of hot_function_section if
9125 first_function_block_is_cold.
9127 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9130 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9132 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9134 PR rtl-optimization/26222
9135 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9136 after tree->rtl expansion.
9137 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9138 before passing it to emit_move_insn.
9140 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9142 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9144 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9145 Clarify documentation.
9146 * c-common.h (warn_write_strings): Remove.
9147 * c-common.c (warn_write_strings): Likewise.
9148 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9151 2006-02-12 Roger Sayle <roger@eyesopen.com>
9154 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9155 (do_jump_parts_zero_rtx): New function renamed from
9156 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9157 (do_jump_parts_equality_rtx): New function split out from
9158 do_jump_parts_equality. Old implementation renamed as above.
9159 Call do_jump_parts_zero_rtx if either operand is zero.
9160 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9161 do all of the heavy lifting.
9162 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9163 calling either do_jump_by_parts_greater_rtx or
9164 do_jump_by_parts_equality_rtx.
9165 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9166 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9167 moved to do_compare_rtx_and_jump, call it directly.
9168 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9169 mode argument. Call do_compare_rtx_and_jump.
9170 (emit_case_nodes): Update calls to do_jump_if_equal.
9172 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9174 PR rtl-optimization/26225
9175 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9177 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9179 PR rtl-optimization/26232
9180 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9182 2006-02-11 Jason Merrill <jason@redhat.com>
9185 * tree-inline.c (declare_return_variable): Just don't use the
9186 modify target if it's a gimple complex reg and the return slot
9189 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9191 * doc/contrib.texi: Update my entry.
9193 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9195 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9197 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9199 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9202 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9204 * doc/invoke.texi (-floop-optimize2): Removed.
9205 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9206 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9207 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9208 * common.opt (floop-optimize2): Removed.
9209 (fmove-loop-invariants): Enabled by default.
9211 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9213 * tree-if-conv.c (combine_blocks): Free the result of
9214 get_loop_exit_edges.
9216 2006-02-10 Jeff Law <law@redhat.com>
9218 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9220 PR tree-optimization/26213
9221 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9222 loop trying to follow SSA_NAME_VALUE chains.
9224 2006-02-10 Richard Guenther <rguenther@suse.de>
9226 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9227 deal with structures that end in implicitly variable sized arrays.
9229 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9231 PR rtl-optimization/24762
9232 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9235 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9237 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9238 (struct ivopts_data): Add regs_used field.
9239 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9240 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9241 instead of loop_data->regs_used;
9242 (free_loop_data): Do not free aux fields for loops.
9243 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9244 and tree_ssa_iv_optimize_finalize.
9246 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9248 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9250 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9253 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9254 computing the effective result type.
9256 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9259 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9260 (tree_overlaps_hard_reg_set): Declare.
9261 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9262 type and signature to match function type expected by walk_tree.
9263 (tree_overlaps_hard_reg_set): New function.
9264 (decl_conflicts_with_clobbers_p): Rename to:
9265 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9266 Use tree_overlaps_hard_reg_set. Changed caller.
9267 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9268 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9269 * cris.c (cris_md_asm_clobbers): Likewise.
9271 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9273 * reload1.c (emit_input_reload_insns): Delete code that tries to
9274 inherit using find_equiv_reg.
9276 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9278 * c-common.h (flag_const_strings): Don't declare.
9279 * c-common.c (flag_const_strings): Remove.
9280 * c.opt (fconst_strings): Remove.
9281 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9282 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9283 (c_common_init_options): Don't set flag_const_strings.
9284 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9286 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9288 * arm.md (tlobits_cbranch): New pattern.
9289 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9290 testing a single bit.
9292 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9295 * tree-ssa-pre.c (create_component_ref_by_pieces):
9296 Handle RETURN_DECL like VAR_DECL.
9298 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9301 * fold-const.c (fold_indirect_ref_1): Fold
9302 "*(foo *)&complexfoo" to "__real__ complexfoo"
9303 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9305 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9307 * tree-flow-inline.h (var_can_have_subvars):
9308 Volatile variables should not have subvariables.
9310 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9313 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9314 multiplying unsigned values.
9317 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9319 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9321 2006-02-08 Jason Merrill <jason@redhat.com>
9324 * tree.def: Elaborate on difference from MODIFY_EXPR.
9325 * doc/c-tree.texi (INIT_EXPR): Likewise.
9326 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9327 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9328 (gimplify_target_expr): Likewise.
9329 (gimplify_cond_expr): Remove target handling.
9330 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9331 (gimplify_expr): Clobber it here.
9332 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9333 Do return slot optimization if we have an INIT_EXPR.
9336 * tree-inline.c (declare_return_variable): Also clear
9337 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9340 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9343 * gimplify.c (gimplify_one_sizepos): Fix typo.
9345 2006-02-08 Jeff Law <law@redhat.com>
9347 PR tree-optimization/21417
9348 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9349 across a backedge if the control statement at the end of the
9350 block is data dependent on other statements in the same block.
9351 (record_temporary_equivalences_from_stmts): Remove over-conservative
9352 test for threading across backedges.
9354 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9355 control statement, handle all three special cases in the same
9356 manner as they all have the same desired solution. No longer
9357 special case edge flag updating when the post dominator is
9360 2006-02-08 Roger Sayle <roger@eyesopen.com>
9362 * tree.def (CHAR_TYPE): Remove.
9363 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9364 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9365 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9366 (gen_string_type_die): Delete unreachable function.
9368 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9369 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9370 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9371 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9372 * builtins.c (type_to_class): Likewise.
9373 * fold-const.c (fold_convert, build_range_check,
9374 merge_ranges): Likewise.
9375 * expr.c (count_type_elements): Likewise.
9376 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9377 * stor-layout.c (layout_type): Likewise.
9378 * ipa-type-escape.c (type_to_consider): Likewise.
9379 * gimplify.c (omp_firstprivatize_type_sizes,
9380 gimplify_type_sizes): Likewise.
9381 * explow.c (promote_mode): Likewise.
9382 * tree-sra.c (is_sra_scalar_type): Likewise.
9383 * varasm.c (output_constant): Likewise.
9384 * tree-inline.c (remap_type_1): Likewise.
9385 * convert.c (convert_to_pointer, convert_to_real,
9386 convert_to_integer, convert_to_complex): Likewise.
9388 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9390 * df-scan.c (df_def_record_1): A set destination may
9391 be a parallel regardless of mode.
9393 2006-02-08 Roger Sayle <roger@eyesopen.com>
9396 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9397 * config/mips/_tilib.c: Remove.
9398 * config/fixtfdi.c: New libgcc source file.
9399 * config/fixunstfdi.c: New source file.
9400 * config/floatditf.c: New source file.
9401 * config/floatunditf.c: New souce file.
9402 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9403 files above instead of config/mips/_tilib.c.
9404 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9406 2006-02-08 Jeff Law <law@redhat.com>
9408 PR tree-optimization/26169
9409 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9412 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9414 * df.h (DF_REG_SIZE): Return the length of the initialized
9417 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9419 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9420 __muldf3): Return a correctly signed zero.
9422 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9424 * passes.c (register_one_dump_file): Accept the current properties
9425 instead of pass number. Adjust call to dump_register. Remove
9427 (register_dump_files): Now a wrapper around...
9428 (register_dump_files_1): ... this one. Do not modify the pass
9430 (next_pass_1): Cosmetic fix.
9431 (execute_todo): Keep second parameter only. Use curr_properties
9432 instead of fetching it from the pass structure. Check and set
9434 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9435 instead of fetching it from the pass structure. Fix calls to
9436 execute_todo. Update curr_properties and initialize .vcg RTL dump
9437 after running the pass. Reset last_verified.
9438 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9440 (FIRST_AUTO_NUMBERED_DUMP): New.
9441 (dump_register): Remove "num" parameter, assign it within the
9443 (get_dump_file_name): Modify template for dumps.
9444 * tree-dump.h (dump_register): Adjust prototype.
9445 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9446 (PROP_trees): Add PROP_gimple_lomp.
9447 (TODO_set_props): New.
9448 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9449 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9450 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9452 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9454 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9455 (sparc64-*-linux*): Likewise.
9456 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9457 * config/sparc/t-linux: New file.
9458 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9459 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9460 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9461 -m32 -mlong-double-128.
9463 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9464 * config/alpha/t-linux: New file.
9465 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9467 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9468 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9469 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9470 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9471 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9472 (CPP_ARCH32_SPEC): Remove.
9474 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9476 PR tree-optimization/26145
9477 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9480 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9483 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9484 >= 240000 when generating code for SOM runtime.
9485 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9486 to $$dyncall when generating code for SOM runtime..
9488 2006-02-07 Dirk Mueller <dmueller@suse.com>
9491 * doc/invoke.texi (-Wsequence-point): Update documentation
9492 that -Wsequence-point is implemented for C++ as well.
9494 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9496 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9497 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9498 (LIB_SPEC): Likewise.
9499 * doc/invoke.texi (SPARC options): Document -pthread.
9501 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9503 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9506 2006-02-07 Roger Sayle <roger@eyesopen.com>
9508 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9509 Correct comment describing BOOLEAN_TYPE.
9511 2006-02-07 Dirk Mueller <dmueller@suse.com>
9513 * c.opt: C++ frontend supports -Wdiv-by-zero.
9514 * c-opts.c (c_common_handle_option): Remove dead case.
9516 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9518 * configure.ac (TLS assembler check): Do not enable TLS by
9519 default on SPARC/Solaris before version 10.
9520 * configure: Regenerate.
9522 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9524 * doc/invoke.texi (xl-compat): Document conversion and support
9527 2006-02-07 Jeff Law <law@redhat.com>
9529 * tree-vrp.c (find_conditional_asserts): Update comments.
9530 (simplify_stmt_for_jump_threading): New.
9531 (identify_jump_threads, finalize_jump_threads): New.
9532 (vrp_finalize): Call identify_jump_threads.
9533 (execute_vrp): Call finalize_jump_threads.
9534 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9535 (vrp_element, vrp_data, vrp_element_p): Remove.
9536 (vrp_hash_elt, vrp_variables_stack): Remove.
9537 (vrp_hash, vrp_eq, record_range): Remove.
9538 (simplify_cond_and_lookup_avail_expr): Remove.
9539 (extract_range_from_cond): Remove.
9540 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9541 (simplify_stmt_for_jump_threading): New.
9542 (dom_thread_across_edge): New wrapper.
9543 (tree_ssa_dominator_optimize): No longer initialize or
9544 finalize any of the VRP datastructures. Remove iteration
9545 step and simplify as a result of removal of iteration step.
9546 (pass_dominator): Perform a cfg cleanup after DOM.
9547 (dom_opt_finalize_block): Use the new common routines
9548 for threading jumps. Simplify stack management slightly.
9549 No longer need to unwind VRP state.
9550 (record_equivalences_from_incoming_edge): No longer record
9552 (eliminate_redundant_computations): No longer call
9553 simplify_cond_and_lookup_avail_expr.
9554 * tree-flow.h (potentially_threadable_block): Prototype.
9555 (thread_across_edge): Likewise.
9556 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9557 (tree-ssa-threadedge.o): Add dependencies.
9558 * tree-ssa-threadedge.c: New file.
9559 * passes.c (init_optimization_passes): Merge PHIs before
9560 calling VRP. Run VRP again late in the SSA optimization pipeline.
9562 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9564 * df-core.c (df_set_blocks): Do not dereference function pointers.
9565 (df_finish1): Likewise.
9566 (df_hybrid_search_forward): Likewise.
9567 (df_hybrid_search_backward): Likewise.
9568 (df_iterative_dataflow): Likewise.
9569 (df_analyze_problem): Likewise.
9570 (df_compact_blocks): Likewise.
9571 (df_dump): Likewise.
9572 * df-scan.c (df_rescan_blocks): Likewise.
9573 (df_record_entry_block_defs): Likewise.
9575 * genconditions.c (write_conditions): Guard the definition of
9576 'insn_conditions' with the check on GCC version.
9577 (write_writer): Guard the traversal 'insn_conditions' with
9578 the check on GCC version.
9580 2006-02-07 Richard Guenther <rguenther@suse.de>
9584 2006-01-30 Richard Guenther <rguenther@suse.de>
9586 * gimplify.c (gimplify_target_expr): Handle easy cases
9587 without creating a temporary.
9589 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9591 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9592 use of float in probability computations. Use edge probabilities
9593 in place of statically computed probabilities.
9594 (min_spec_prob): New static variable.
9595 (schedule_insns): Initialize it.
9596 (GET_SRC_PROB): Removed.
9597 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9599 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9602 * config/ia64/unwind-ia64.c: Revert last change.
9603 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9604 (INCOMING_FRAME_SP_OFFSET): Define.
9606 2006-02-06 Roger Sayle <roger@eyesopen.com>
9608 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9610 2006-02-07 Ben Elliston <bje@au.ibm.com>
9612 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9613 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9614 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9615 (ix86_return_in_memory): Handle TDmode.
9616 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9617 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9619 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9621 * reorg.c (dbr_schedule): Use dump_file instead of file.
9623 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9626 * config/ia64/predicates.md (extr_len_operand): New predicate.
9627 * config/ia64/ia64.md (extv): Tighten constraints.
9629 (*tbit_and_2): Ditto.
9630 (*tbit_and_3): Ditto.
9631 (*tbit_or_2): Ditto.
9632 (*tbit_or_3): Ditto.
9636 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9639 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9641 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9643 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9644 loop_optimizer_init and loop_optimizer_finalize
9645 * tree-ssa-sink.c (execute_sink_code): Ditto.
9646 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9647 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9648 tree_ssa_loop_done): Ditto.
9649 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9650 * sched-ebb.c: Include output.h.
9651 (schedule_ebbs): Do not use dump argument.
9652 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9653 * loop.c (loop_dump_stream): Removed.
9654 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9656 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9657 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9658 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9659 loop_iterations, strength_reduce, record_biv, record_giv,
9660 final_giv_value, check_final_value, check_ext_dependent_givs,
9661 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9662 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9663 dump_file instead of loop_dump_stream.
9664 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9666 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9668 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9669 * haifa-sched.c: Include output.h
9670 (schedule_insns, sched_init): Do not use dump argument.
9671 * mode-switching.c (optimize_mode_switching): Ditto.
9672 * modulo-sched.c (stats_file): Removed.
9673 (print_node_sched_params): Do not call argument dump_file.
9674 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9675 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9677 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9679 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9680 rtl_loop_init, rtl_loop_done): Ditto.
9681 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9682 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9684 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9685 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9686 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9687 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9688 * emit-rtl.c (renumber_insns): Ditto.
9689 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9690 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9691 * regclass.c (regclass): Ditto.
9692 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9693 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9694 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9695 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9697 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9698 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9700 * gcse.c (gcse_file, debug_stderr): Removed.
9701 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9702 rest_of_handle_gcse): Do not use dump argument.
9703 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9704 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9705 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9706 compute_code_hoist_vbeinout, compute_code_hoist_data,
9707 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9708 compute_store_table, build_store_vectors, insert_insn_start_bb,
9709 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9710 store_motion): Use dump_file instead of gcse_file.
9711 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9712 * profile.c (profile_dump_file): Removed.
9713 (branch_prob): Use dump_file instead of profile_dump_file.
9714 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9716 * tree-ssa-copy.c (dump_copy_of): Ditto.
9717 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9718 dump file to life_analysis.
9719 * bt-load.c (branch_target_load_optimize): Ditto.
9720 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9722 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9723 regclass, dbr_schedule): Declaration changed.
9724 * sched-int.h (sched_init): Declaration changed.
9725 * tree-profile.c (tree_profile_dump_file): Removed.
9726 (tree_profile_hooks): Removed profile_dump_file hook.
9727 * rtl-profile (rtl_profile_dump_file): Removed.
9728 (rtl_profile_hooks): emoved profile_dump_file hook.
9729 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9731 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9732 * tree-cfg.c (build_tree_cfg): Ditto.
9733 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9734 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9735 Declaration changed.
9736 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9737 life_analysis and schedule_insns.
9738 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9740 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9742 * config/mips/mips.c (mips_reorg): Ditto.
9743 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9746 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9748 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9749 (s390_mangle_fundamental_type): New.
9750 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9753 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9754 (alpha_mangle_fundamental_type): New.
9755 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9758 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9760 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9762 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9763 (sparc_mangle_fundamental_type): New.
9765 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9767 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9768 (s390x-*-linux*): Likewise.
9769 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9770 * config/s390/t-linux: New file.
9772 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9774 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9775 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9777 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9779 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9780 (ANTIC_SAFE_LOADS): New macro.
9781 (find_or_generate_expression): Add prototype.
9782 (set_contains_value): Allow null set for sake of not always having
9783 to allocate ANTIC_SAFE_LOADS.
9784 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9785 Allow COMPONENT_REF too.
9786 (valid_in_set): Allow COMPONENT_REF.
9787 Check ANTIC_SAFE_LOADS too.
9788 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9789 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9791 (can_PRE_operation): Add COMPONENT_REF.
9792 (create_component_ref_by_pieces): New function.
9793 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9794 (insert_aux): Move AGGREGATE_TYPE_P check here.
9795 (compute_avail): Set bb local stmt uids.
9796 (pass_pre): Use TODO_update_ssa_only_virtuals.
9798 2006-02-06 Ben Elliston <bje@au.ibm.com>
9800 * configure.ac: Unconditionally disable decimal float by default.
9801 * configure: Regenerate.
9803 2006-02-06 Ben Elliston <bje@au.ibm.com>
9805 * read-rtl.c (read_name): Terminate reading on EOF.
9807 2006-02-06 Ben Elliston <bje@au.ibm.com>
9809 * dfp.c (decimal_real_arithmetic): Change second argument type
9810 from int to enum tree_code. Do not always return true, but now
9811 return result of any call to decimal_do helper functions.
9812 * dfp.h (decimal_real_arithmetic): Update prototype.
9814 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9816 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9818 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9821 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9824 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9826 * tree-vrp.c (cfg_loops): Removed.
9827 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9828 Use current_loops instead of cfg_loops. Pass flags to
9829 loop_optimizer_init.
9830 * cfgloopmanip.c (fix_loop_structure): Update only available
9832 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9833 loop_optimizer_init.
9834 * modulo-sched.c (build_loops_structure): Removed.
9835 (sms_schedule): Use loop_optimizer_init.
9836 * loop-init.c (loop_optimizer_init): Use flags to determine
9837 which properties of loops to prepare.
9838 (rtl_loop_init): Pass flags to loop_optimizer_init.
9839 * tree-ssa-sink.c (execute_sink_code): Ditto.
9840 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9841 * tree-ssa-pre.c (init_pre): Ditto.
9842 * cfgloop.h (LOOPS_NORMAL): New.
9843 (loop_optimizer_init): Declaration changed.
9845 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9847 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9848 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9850 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9852 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9854 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9855 * pa/t-pa64: Delete quadlib.c rule.
9856 * pa/x-ada: Revert last change.
9857 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9859 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9861 PR rtl-optimization/26087
9862 * rtlanal.c (canonicalize_condition): Do not cross basic block
9865 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9868 * config/ia64/ia64.c: Include debug.h.
9869 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9870 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9871 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9872 (process_epilogue, process_set, process_for_unwind_directive):
9873 Output unwind info only if requested. Add CFA info if requested.
9874 Add new arguments as needed. Adjust callers.
9875 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9877 (DWARF2_FRAME_INFO): Define to zero.
9878 * config/ia64/unwind-ia64.c: Remove code that compensated for
9879 the CFA offset error fixed above.
9880 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9881 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9882 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9883 -funwind-tables and -fexceptions to enable frame info.
9884 (dwarf2out_frame_init): Define initial CFA even if
9885 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9886 DWARF2_UNWIND_INFO is nonzero, not just defined.
9887 (dwarf2out_frame_finish): Output non-EH call frame info only
9888 if DWARF2_FRAME_INFO is nonzero.
9889 (convert_cfa_to_loc_list,
9890 compute_frame_pointer_to_cfa_displacement): Define even if
9891 unwind info is not supported.
9892 (gen_subprogram_die): Use the above unconditionally. Remove
9893 legacy alternate code.
9894 * toplev.c (compile_file): Compile in call to
9895 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9896 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9898 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9899 Jakub Jelinek <jakub@redhat.com>
9901 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9902 IBM extended float format long double as "g" on powerpc*-linux.
9904 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9907 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9908 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9910 2006-02-03 Jason Merrill <jason@redhat.com>
9913 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9916 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9917 on the return slot if it's an NRV.
9919 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9921 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9922 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9923 rewrite_use): Do not handle USE_OUTER.
9924 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9925 add_iv_outer_candidates, may_replace_final_value,
9926 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9927 (find_interesting_uses_op): Functionality of
9928 find_interesting_uses_outer_or_nonlin moved here.
9929 (find_interesting_uses_outside): Use find_interesting_uses_op.
9931 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9934 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9936 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9937 Ulrich Weigand <uweigand@de.ibm.com>
9940 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9941 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9942 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9943 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9945 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9946 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9947 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9948 Define secondary reloads for TFmode moves.
9949 (constant_modes): Add TFmode.
9950 (NR_C_MODES): Set to 8.
9951 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9953 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9954 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9955 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9956 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9957 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9958 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9959 (FPR mode macro): Add TFmode.
9960 (DSF mode macro): New.
9961 (<de>, <dee> mode attributes): Removed.
9962 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9963 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9964 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9965 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9966 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9967 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9968 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9969 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9970 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9971 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9972 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9973 "*negabs<mode>2", "sqrt<mode>2"):
9974 Changed <de> to <xde>. R constraint replaced by <Rf>.
9975 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9977 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9978 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9979 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9981 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9982 "extenddftf2", "extendsftf2"): New expanders.
9983 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9984 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9985 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9986 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9988 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9989 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9990 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9991 __floatditf): Add a GCC_4.1.0 symbol version tag.
9992 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9995 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9998 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9999 Use targetm.binds_local_p instead of TREE_PUBLIC.
10001 2006-02-02 Roger Sayle <roger@eyesopen.com>
10003 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10004 on INTEGER_TYPEs to indicate that it denotes a character type.
10005 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10006 signed_char_type_node, unsigned_char_type_node and char_type_node.
10007 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10008 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10009 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10011 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10012 Daniel Berlin <dberlin@dberlin.org>
10014 * tree-tailcall.c (arg_needs_copy_p): New function.
10015 (eliminate_tail_call): Use arg_needs_copy_p.
10016 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10017 (add_virtual_phis): New function.
10019 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10021 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10022 #ignore instead of #scratch for %g7 .register directive.
10024 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10026 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10029 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10031 * flow.c (calculate_global_regs_live): Assert that there aren't any
10034 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10036 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10037 what its name says.
10038 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10039 bsi_after_labels iterator.
10040 * tree-if-conv.c (find_phi_replacement_condition,
10041 replace_phi_with_cond_modify_expr): Likewise.
10042 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10043 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10045 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10047 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10049 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10052 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10053 array after growing it.
10055 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10057 PR middle-end/24901
10058 * fold-const.c (fold_checksum_tree): Change type of buf.
10060 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10062 * reload.c (push_secondary_reload): Initialize t_icode.
10064 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10066 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10067 -msoft-float -mlong-double-128 only issue a warning, but don't
10068 swich to DFmode long double.
10070 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10072 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10073 has a constant equivalent, iterate over equivalents for arg0,
10074 calling simplify_relational_operation and if there's a result
10075 cheaper than X, apply fold_rtx and return the result.
10077 2006-02-01 Jan Hubicka <jh@suse.cz>
10079 * opts.c (no_unit_at_a_time_default): New global variable.
10080 (decode_options): Use it.
10081 * opts.h (no_unit_at_a_time_default): Declare.
10083 2006-02-01 Paul Brook <paul@codesourcery.com>
10085 * function.c (assign_parm_setup_reg): Use function argument promotion
10087 * expr.c (expand_expr_real_1): Use function argument promotion rules
10090 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10092 * gcc.c (process_command): Change j to 'unsigned int'.
10094 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10096 PR middle-end/26001
10097 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10098 Use the corrected index for the character
10099 out of the string constant.
10101 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10103 * mode-switching.c (optimize_mode_switching): Fix size
10104 allocated for bb_info[n_entities].
10106 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10108 * gcc.c (main): Correct type that is allocated for
10109 explicit_link_files.
10111 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10113 * config/s390/s390.c (init_alignment_context): Set
10114 ALIAS_SET_MEMORY_BARRIER on the MEM.
10115 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10117 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10119 PR middle-end/25933
10120 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10122 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10125 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10127 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10128 * regrename.c: Ditto.
10129 * tree-ssa-loop-im.c: Ditto.
10130 * tree-dump.c: Ditto.
10131 * tree-complex.c: Ditto.
10132 * genrecog.c: Ditto.
10133 * tree-ssa-threadupdate.c: Ditto.
10135 * java/class.c: Ditto.
10136 * java/jcf-parse.c: Ditto.
10137 * java/resource.c: Ditto.
10138 * java/except.c: Ditto.
10139 * java/jvspec.c: Ditto.
10140 * java/jcf-write.c: Ditto.
10141 * java/jcf-path.c: Ditto.
10142 * java/gjavah.c: Ditto.
10143 * java/zextract.c: Ditto.
10144 * java/jcf-io.c: Ditto.
10145 * java/jcf.h: Ditto.
10146 * java/buffer.c: Ditto.
10147 * java/lang.c: Ditto.
10148 * java/parse-scan.y: Ditto.
10149 * java/lex.c: Ditto.
10150 * java/lex.h: Ditto.
10151 * cfgloopmanip.c: Ditto.
10152 * postreload-gcse.c: Ditto.
10153 * tree-ssa-loop-manip.c: Ditto.
10154 * postreload.c: Ditto.
10155 * tree-ssa-loop-ch.c: Ditto.
10158 * cppspec.c: Ditto.
10159 * diagnostic.c: Ditto.
10161 * genoutput.c: Ditto.
10163 * cfghooks.c: Ditto.
10164 * cfgloopanal.c: Ditto.
10165 * objc/objc-act.c: Ditto.
10167 * genextract.c: Ditto.
10168 * genautomata.c: Ditto.
10169 * pretty-print.c: Ditto.
10170 * genemit.c: Ditto.
10171 * cgraphunit.c: Ditto.
10173 * df-scan.c: Ditto.
10174 * haifa-sched.c: Ditto.
10175 * dominance.c: Ditto.
10177 * tree-ssa-loop-ivopts.c: Ditto.
10178 * df-core.c: Ditto.
10179 * mode-switching.c: Ditto.
10180 * modulo-sched.c: Ditto.
10182 * ipa-pure-const.c: Ditto.
10184 * fix-header.c: Ditto.
10186 * tree-stdarg.c: Ditto.
10187 * ipa-utils.c: Ditto.
10188 * loop-init.c: Ditto.
10189 * ipa-inline.c: Ditto.
10190 * cfganal.c: Ditto.
10192 * alloc-pool.c: Ditto.
10193 * dwarf2out.c: Ditto.
10195 * genattrtab.c: Ditto.
10196 * tree-ssa-loop-ivcanon.c: Ditto.
10197 * predict.c: Ditto.
10198 * timevar.c: Ditto.
10200 * fortran/gfortranspec.c: Ditto.
10201 * regmove.c: Ditto.
10202 * local-alloc.c: Ditto.
10203 * langhooks.c: Ditto.
10204 * function.c: Ditto.
10205 * tree-vectorizer.c: Ditto.
10207 * ipa-type-escape.c: Ditto.
10209 * tree-if-conv.c: Ditto.
10210 * profile.c: Ditto.
10212 * tree-data-ref.c: Ditto.
10213 * loop-unroll.c: Ditto.
10214 * treelang/treetree.c: Ditto.
10216 * bt-load.c: Ditto.
10217 * ggc-common.c: Ditto.
10219 * coverage.c: Ditto.
10221 * tree-cfgcleanup.c: Ditto.
10222 * tree-ssa-pre.c: Ditto.
10223 * cfgcleanup.c: Ditto.
10224 * loop-invariant.c: Ditto.
10225 * loop-iv.c: Ditto.
10226 * ipa-prop.c: Ditto.
10227 * print-tree.c: Ditto.
10228 * conflict.c: Ditto.
10229 * ggc-page.c: Ditto.
10230 * sched-deps.c: Ditto.
10231 * regclass.c: Ditto.
10232 * tree-object-size.c: Ditto.
10233 * combine.c: Ditto.
10234 * bb-reorder.c: Ditto.
10235 * resource.c: Ditto.
10236 * var-tracking.c: Ditto.
10237 * cfgloop.c: Ditto.
10238 * df-problems.c: Ditto.
10239 * reg-stack.c: Ditto.
10241 * gccspec.c: Ditto.
10242 * sched-rgn.c: Ditto.
10243 * tree-ssa-structalias.c: Ditto.
10244 * tree-ssa-reassoc.c: Ditto.
10245 * config/darwin-c.c: Ditto.
10246 * config/darwin.c: Ditto.
10247 * config/arm/arm.c: Ditto.
10249 * collect2.c: Ditto.
10250 * reload1.c: Ditto.
10252 2006-01-31 Nicolas Pitre <nico@cam.org>
10254 * arm.md (smaxsi3): Make aware of smax_m1.
10257 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10259 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10261 2006-01-31 Richard Guenther <rguenther@suse.de>
10263 * doc/invoke.texi (-msselibm): Document.
10264 * target.h (expand_library_builtin): New target hook.
10265 * builtins.c (expand_builtin): Use expand_library_builtin.
10266 (default_expand_library_builtin): New function.
10267 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10268 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10269 (link_gcc_math_spec): Declare.
10270 (static_specs): Add link_gcc_math_spec.
10271 * expr.h (default_expand_library_builtin): Declare.
10272 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10273 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10274 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10275 * config/i386/i386.opt (msselibm): New target option.
10276 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10277 (ix86_init_sse_abi_builtins): New function.
10278 (ix86_expand_library_builtin): Likewise.
10279 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10280 (override_options): Handle error conditions wrt -msselibm.
10281 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10282 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10283 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10286 2006-01-31 Richard Guenther <rguenther@suse.de>
10287 Paolo Bonzini <bonzini@gnu.org>
10289 * doc/install.texi (--disable-libgcc-math): Document.
10291 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10293 * expr.h (expand_normal): new inline function.
10294 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10295 * dojump.c: use it.
10296 * dwarf2out.c: use it.
10299 * expmed.c: use it.
10300 * except.c: use it.
10301 * config/sparc/sparc.c: use it.
10302 * config/i386/i386.c: use it.
10303 * config/rs6000/rs6000.c: use it.
10304 * config/arm/arm.c: use it.
10305 * config/mips/mips.c: use it.
10306 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10308 2006-01-30 Roger Sayle <roger@eyesopen.com>
10310 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10311 argv to the appropriate type.
10313 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10315 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10318 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10321 * config/s390/s390.c (struct machine_function): New flag
10322 decomposed_literal_pool_addresses_ok_p.
10323 (s390_reorg): Set it before final stage of literal pool transforms.
10324 (s390_decompose_address): Only accept displacements of the form
10325 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10327 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10329 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10330 the comparison routine return.
10332 2006-01-30 Michael Matz <matz@suse.de>
10334 * global.c (find_reg): Only evict for global regs.
10335 Take n_refs into account and dump more info.
10337 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10340 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10341 (pragma_trap, pragma_nosave_low_regs): Likewise.
10342 (current_function_anonymous_args): Likewise.
10343 (sh_deferred_function_attributes): New variable.
10344 (sh_deferred_function_attributes_tail): Likewise.
10345 (print_operand): For '@', look up trap_exit attribute.
10346 (calc_live_regs): Look up trapa_handler attribute. For trapa
10347 handlers, save/restore fpscr, but don't do any other
10348 interrupt-specific saves.
10349 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10350 Fix check for partially saved registers to check for SHmedia.
10351 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10352 (sh_output_function_epilogue): Don't clear any of the removed
10354 (sh_insert_attributes): Don't check pragma_interrupt.
10355 Insert deferred attributes. Check that interrupt attribute is
10356 present for other attributes that require its presence.
10357 (sh_attribute_table): Add new attributes trapa_handler and
10359 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10360 Don't check for pragma_interrupt. Don't store argument.
10361 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10362 (sh_deferred_function_attributes): Declare.
10363 (sh_deferred_function_attributes_tail): Likewise.
10364 * sh.md (sp_switch_1): Add operand. Change generator caller.
10365 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10366 (*return_i): Don't use when trap_exit attribute is in effect.
10367 (*return_trapa): New insn pattern.
10368 * sh-c.c: New file.
10369 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10370 setting c_target_objs and cxx_target_objs.
10371 * t-sh: Add rule for sh-c.o.
10373 2006-01-30 Richard Guenther <rguenther@suse.de>
10376 * gimplify.c (gimplify_target_expr): Handle easy cases
10377 without creating a temporary.
10379 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10381 * vec.h (safe_grow): Remove duplicated line.
10383 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10386 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10387 (expand_omp): ... here.
10388 (expand_omp_parallel): Only remove barriers for combined
10389 parallel+workshare constructs.
10391 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10395 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10396 * tree.c (build_qualified_type): Chain the new type to the original
10397 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10398 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10399 (build_pointer_type_for_mode): Only return unqualified types.
10400 (build_reference_type_for_mode): Likewise.
10402 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10404 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10405 * Makefile.in (CXX_COMPAT_WARN): Define.
10406 * configure: Regenerate.
10408 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10411 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10414 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10416 * toplev.c: Fix thinko.
10418 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10419 Marcin Dalecki <martin@dalecki.de>
10421 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10422 (push_srcloc): Use XNEW.
10423 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10425 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10427 * df-core.c (df_set_blocks): Deleted all variable.
10429 2006-01-28 Ian Lance Taylor <ian@airs.com>
10431 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10432 cgraph_output_pending_asms.
10434 2006-01-28 Zack Weinberg <zackw@panix.com>
10436 * c.opt: Add -W(no-)overlength-strings.
10437 * doc/invoke.texi: Document it.
10438 * c-opts.c (c_common_handle_option): -pedantic implies
10439 -Woverlength-strings, if not explicitly disabled already.
10440 (c_common_post_options): -Woverlength-strings defaults to off, and
10441 is always off for C++.
10442 * c-common.c (fix_string_type): Issue warning about strings longer
10443 than is portable only if warn_overlength_strings. Rearrange code
10444 a little for clarity.
10445 * configure.in: Check for -Wno-overlength-strings as well before
10446 enabling -pedantic in stage 1.
10447 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10448 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10450 * genconditions.c (write_header, write_one_condition)
10451 (write_conditions, write_writer): Consolidate very long strings
10452 that were broken up to fit in C89 portable limit. Don't use
10453 printf when fputs will do.
10455 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10457 * combine.c (simplify_comparison <AND>): Check
10458 TRULY_NOOP_TRUNCATION before start using a subreg.
10460 * config/mips/mips.md (*branch_zero<mode>,
10461 *branch_zero<mode>_inverted, *branch_equality<mode>,
10462 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10463 Remove mode check from comparisons.
10465 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10467 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10469 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10471 * expmed.c (const_mult_add_overflow_p): Remove.
10472 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10474 * recog.c (validate_replace_rtx_subexp): Remove.
10475 * recog.h: Remove the prototype for
10476 validate_replace_rtx_subexp.
10478 * integrate.h: Remove the prototype for
10479 copy_decl_for_inlining.
10480 * rtl.h: Remove the prototype for mark_constant_function.
10481 * tree-vectorizer.h: Remove the prototype for
10482 vect_strip_conversion.
10484 * modulo-sched.c (create_partial_schedule,
10485 free_partial_schedule, reset_partial_schedule): Make them
10488 * hooks.c (hook_bool_rtx_int_false): Remove.
10489 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10491 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10493 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10494 and -mlong-double-128 are incompatible.
10495 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10496 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10497 (TARGET_LIBGCC2_CFLAGS): Define.
10498 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10499 (TARGET_LIBGCC2_CFLAGS): Same.
10500 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10502 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10505 * c-typeck.c (build_binary_op): Perform implicit casts of
10506 operands before shortening them.
10508 * cfgloopmanip.c (split_loop_bb): Remove.
10509 * cfgloop.h: Remove the prototype for split_loop_bb.
10511 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10512 * cfgloop.h: Remove the prototype for
10513 flow_loop_outside_edge_p.
10515 * emit-rtl.c (init_virtual_regs): Make it static.
10516 * function.h: Remove the prototype for init_virtual_regs.
10518 * recog.c (peephole2_optimize): Make it static.
10519 * recog.h: Remove the prototype for peephole2_optimize.
10521 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10523 * df-scan.c (df_record_entry_block_defs): Check if
10524 INCOMING_RETURN_ADDR_RTX is defined.
10526 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10527 Kenneth Zadeck <zadeck@naturalbridge.com>
10529 PR rtl-optimization/24762
10530 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10531 * targhooks.c (hook_void_bitmap): New hook prototype.
10532 * targhoohs.h (hook_void_bitmap): Ditto.
10533 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10534 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10535 * target.h (live_on_entry): New function pointer.
10536 * df-scan.c (df_all_hard_regs): Removed.
10537 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10538 (df_scan_free_internal): Added df->entry_block_defs.
10539 (df_scan_alloc): Ditto.
10540 (df_scan_dump): Ditto.
10541 (df_uses_record): Plumbed flag field properly thru calls.
10542 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10543 This part fixes PR24762.
10544 (df_bb_refs_record): Added code to make the frame and arg
10545 pointers live in EH blocks.
10546 (df_refs_record): Added call to df_record_entry_block_defs.
10547 (df_record_entry_block_defs): New function.
10548 * df-core.c: Added comments to describe new artifical defs.
10549 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10550 (entry_block_defs): New field in struct df.
10551 (df_all_hard_regs): Deleted.
10552 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10553 * df-problems.c (df_ru_bb_local_compute_process_def):
10554 Added code to handle artifical defs in the entry to a function.
10555 (df_ru_bb_local_compute): Ditto.
10556 (df_rd_bb_local_compute_process_def): Ditto.
10557 (df_rd_bb_local_compute): Ditto.
10558 (df_lr_bb_local_compute): Ditto.
10559 (df_ur_bb_local_compute): Ditto.
10560 (df_urec_bb_local_compute): Ditto.
10561 (df_chain_create_bb): Ditto.
10562 (df_ur_local_finalize): Removed entry.
10563 (df_urec_init): Ditto.
10564 (df_urec_local_finalize): Ditto.
10565 (df_ri_bb_compute): Added detection of last use of pseudos.
10566 * Makefile.in (df-scan.o): Updated dependencies.
10567 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10568 * config/mips/mips.c (mips_set_live_on_entry): Added.
10569 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10571 * dce.c (marked_insn_p): Added code to handle artifical defs.
10573 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10575 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10577 (_mm_cvtsi128_si64): Likewise.
10578 (_mm_cvtsd_si64): Likewise.
10579 (_mm_cvttsd_si64): Likewise.
10580 (_mm_cvtsi64_sd): Likewise.
10581 (_mm_cvtsi64_si128): Likewise.
10582 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10583 (_mm_cvtsi64_m64): Likewise.
10584 (_m_to_int64): Likewise.
10585 (_mm_cvtm64_si64): Likewise.
10586 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10587 (_mm_cvttss_si64): Likewise.
10588 (_mm_cvtsi64_ss): Likewise.
10589 (_mm_cvtss_f32): Likewise.
10591 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10593 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10594 for pragma redefine_extname.
10596 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10599 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10600 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10601 -mno-minimal-toc to previous content.
10602 (bispecs): Remove goal.
10603 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10604 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10605 compatibility aliases on powerpc-*-*gnu*.
10606 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10607 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10608 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10609 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10610 (ldblspecs): New goal.
10611 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10612 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10614 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10615 L_sf_to_tf or L_df_to_tf is defined.
10617 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10618 Alan Modra <amodra@bigpond.net.au>
10621 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10622 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10623 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10624 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10625 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10626 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10627 (rs6000_override_options): Initialize rs6000_ieeequad.
10628 Initialize TFmode format to ibm_extended_format if not
10630 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10632 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10633 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10634 (function_arg_advance): IBM long double passed in two FPRs, not
10636 (function_arg): IBM long double passed in FPRs.
10637 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10638 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10639 Only multireg GPR aligned.
10640 (rs6000_init_libfuncs): Enable IBM long double functions if not
10642 (rs6000_generate_compare): Use IBM long double compare if not
10644 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10645 (TARGET_IEEEQUAD): Define.
10646 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10647 not TARGET_IEEEQUAD.
10648 * config/rs6000/rs6000.md: Enable TFmode patterns if
10650 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10651 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10652 and -mlong-double-128 are incompatible.
10653 * doc/invoke.texi (-mabi): Collect options together. Add
10654 ibmlongdouble and ieeelongdouble.
10656 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10658 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10660 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10661 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10662 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10663 * rtl.h (rtunion_def): Remove rt_ptr.
10665 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10666 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10667 * config/i386/winnt.c (i386_pe_mark_dllexport)
10668 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10670 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10672 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10674 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10678 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10679 pthread_key_delete. From John David Anglin. gthrw-ify
10680 pthread_getunique_np only if it it's not a macro. Delete
10682 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10683 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10684 __gthread_objc_condition_signal, __gthread_key_delete): Add
10685 "__attribute__ ((__unused__))" to unused arguments.
10686 (__gthread_recursive_mutex_init_function): Add missing return.
10687 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10688 gthr-posix95.h: Use macro-based approach for name redirection
10689 on targets missing weakref.
10691 2006-01-26 Zack Weinberg <zackw@panix.com>
10693 * genconditions.c (write_header): In generated code, #ifdef out
10694 all includes and fake declarations, except includes of bconfig.h
10695 and system.h, unless GCC_VERSION >= 3001. Do not include
10696 gensupport.h in any case.
10697 (write_conditions): Generate a definition of struct c_test. Add
10698 a comment to the generated #endif.
10699 (write_one_condition): Escape backslashes in string too.
10700 (write_writer): Generated code must escape backslashes and quote
10701 marks (but not newlines) in the strings it writes.
10702 * Makefile.in (build/gencondmd.o): Update dependencies.
10704 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10707 * Makefile.in (insn-automata.o): Add header file dependencies.
10708 * genautomata.c: Add includes.
10710 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10713 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10715 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10717 * configure.ac: Expect target tools paths to be passed from the toplevel
10718 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10720 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10722 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10725 * c.opt (Wpointer-sign): Init to -1.
10726 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10727 OPT_pedantic, to 0 otherwise.
10728 * doc/invoke.texi: Update.
10730 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10732 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10733 constants provided by 80387 instructions in the destination mode.
10735 2006-01-26 Richard Guenther <rguenther@suse.de>
10736 Andrew Pinski <pinskia@physics.uc.edu>
10739 partial PR tree-opt/17064
10740 * tree-ssa-structalias.c (intra_create_variable_infos):
10741 Create heap variables for incoming parameters if
10742 flag_argument_noalias > 1.
10743 (find_what_p_points_to): Look through default defs of
10746 2006-01-26 Jeff Law <law@redhat.com>
10749 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10750 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10751 within the VR_RANGE, use the VR_RANGE as the result, not the
10753 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10754 bounds for the type.
10756 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10758 * tree-ssa-alias.c (maybe_create_global_var): Change
10759 subvar walking to an assertion that we don't have subvar'd variables.
10761 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10764 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10765 Use a new variable, inner. PARM_DECLs are always non-weak.
10767 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10769 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10770 --disable-checking.
10772 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10774 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10776 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10778 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10779 (smax_insn, smin_insn, smax_0, smin_0): New.
10781 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10784 * config/cris/cris.c (cris_order_for_addsi3): New function.
10785 * config/cris/cris-protos.h: Prototype it.
10786 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10787 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10788 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10789 (split for "op.S1 [rx=rx+i],ry (swapped)")
10790 (split for "op(s|u).S1 [rx=rx+i],ry")
10791 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10792 Apply cris_order_for_addsi3 when generating addsi3 insns.
10794 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10796 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10797 (TREE_BLOCK): Add call to EXPR_CHECK.
10799 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10802 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10803 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10804 (dump_omp_clauses): ... here.
10805 (dump_generic_node): Handle OMP_CLAUSE.
10806 * tree.c (omp_clause_num_ops): New.
10807 (omp_clause_code_name): New.
10808 (tree_code_size): Handle OMP_CLAUSE.
10809 (tree_size): Likewise.
10810 (make_node): Document handling of OMP_CLAUSE.
10811 (tree_node_structure): Handle OMP_CLAUSE.
10812 (omp_clause_check_failed): New.
10813 (omp_clause_range_check_failed): New.
10814 (omp_clause_operand_check_failed): New.
10815 (build_omp_clause): New.
10816 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10817 * tree.h (enum omp_clause_code): Declare.
10818 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10819 (OMP_CLAUSE_RANGE_CHECK): Define.
10820 (OMP_CLAUSE_ELT_CHECK): Define.
10821 (omp_clause_check_failed): Declare.
10822 (omp_clause_operand_check_failed): Declare.
10823 (omp_clause_range_check_failed): Declare.
10824 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10825 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10826 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10827 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10828 (OMP_CLAUSE_IF_EXPR): Likewise.
10829 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10830 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10831 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10832 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10833 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10834 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10835 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10836 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10837 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10838 (OMP_CLAUSE_CODE): Define.
10839 (OMP_CLAUSE_SET_CODE): Define.
10840 (OMP_CLAUSE_CODE): Define.
10841 (OMP_CLAUSE_OPERAND): Define.
10842 (struct tree_omp_clause): Declare.
10843 (union tree_node): Add field 'omp_clause'.
10844 * treestruct.def (TS_OMP_CLAUSE): Define.
10845 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10846 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10847 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10848 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10849 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10850 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10851 (OMP_CLAUSE): Define.
10852 * print-tree.c (print_node): Handle OMP_CLAUSE.
10853 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10854 * c-typeck.c: Likewise.
10855 * gimplify.c: Likewise.
10856 * c-omp.c: Likewise.
10857 * tree-nested.c: Likewise.
10858 * tree-inline.c: Likewise.
10859 * c-parser.c: Likewise.
10860 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10863 2006-01-25 Roger Sayle <roger@eyesopen.com>
10865 PR rtl-optimization/25703
10866 * combine.c (try_combine): Handle zero_extract and strict_low_part
10867 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10869 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10871 * global.c: Fix comment typos.
10873 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10876 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10877 Use output_addr_const instead of assemble_name.
10879 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10881 * Makefile.in (sched-vis.o): Update dependencies.
10882 * haifa-sched.c (sched_finish): Clear current_sched_info.
10883 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10884 (dump_flow_info): Call it.
10885 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10887 * basic-block.h (dump_bb_info): Declare.
10888 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10889 option, and apply options only for dump files whose TDF_RTL,
10890 TDF_TREE, or TDF_IPA bits match.
10891 * rtl.h: Declare new functions exported from sched-vis.c.
10892 * sched-vis.c: Enable also if scheduling is not used.
10893 (print_value): Print the mode of registers if not inside scheduling.
10894 (print_insn): Make it work outside the scheduler. Beautify the output
10896 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10898 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10900 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10901 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10902 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10903 depending on the value of CONSTANT_POOL_ADDRESS_P.
10904 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10906 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10907 rather than SYMBOL_REF_DECL.
10908 (rtx_constant_pool): Remove const_rtx_sym_htab.
10909 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10910 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10911 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10912 Remove handling of const_rtx_sym_htab.
10913 (find_pool_constant): Delete.
10914 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10915 rather than find_pool_constant.
10916 (get_pool_constant_for_function): Delete.
10917 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10918 find_pool_constant.
10919 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10920 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10921 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10922 (SYMBOL_REF_CONSTANT): New macro.
10923 (get_pool_constant_for_function): Delete.
10924 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10925 rather than SYMBOL_REF_DECL.
10926 (i386_pe_mark_dllimport): Likewise.
10927 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10928 rather than SYMBOL_REF_DECL.
10929 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10930 (machopic_indirect_call_target): Likewise.
10932 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10934 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10936 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10938 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10940 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10942 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10944 2006-01-24 David Daney <ddaney@avtrex.com>
10947 * configure.ac (enable_tls): New enable option.
10948 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10949 * configure: Regenerate.
10950 * doc/install.texi (--enable-tls): Document new option.
10951 (--disable-tls): Ditto.
10953 2006-01-24 Richard Henderson <rth@redehat.com>
10955 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10956 * alias.c (true_dependence): Respect it.
10957 (canon_true_dependence, write_dependence_p): Likewise.
10958 * builtins.c (get_builtin_sync_mem): Set it.
10960 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10962 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10965 2006-01-24 DJ Delorie <dj@redhat.com>
10967 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10968 for storing constants in single-bit bitfields.
10970 2006-01-25 Ben Elliston <bje@au.ibm.com>
10972 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10974 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10977 * tree-ssa-pre.c (phi_translate): Return NULL
10978 for AGGREGATE_TYPE's.
10980 2006-01-24 Zack Weinberg <zackw@panix.com>
10982 * genautomata.c (process_state_for_insn_equiv_partition):
10983 Use xcalloc for insn_arcs_array.
10984 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10985 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10987 2006-01-24 Richard Henderson <rth@redhat.com>
10989 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10990 update all callers.
10992 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10994 PR rtl-optimization/25890
10995 PR rtl-optimization/25905
10996 * combine.c (expand_compound_operation, expand_field_assignment):
10997 Fail if the bitfield's final position is out of bounds.
10999 2006-01-24 Ian Lance Taylor <ian@airs.com>
11001 PR middle-end/25930
11002 * cgraphunit.c (cgraph_output_in_order): Don't clear
11003 cgraph_asm_nodes until after asm strings have been output.
11005 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11007 * fix-header.c (read_scan_file): Add new parameter imultilib when
11008 calling register_include_chains.
11010 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11012 * omp-low.c: Update documentation.
11014 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11015 Daniel Berlin <dberlin@dberlin.org>
11019 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11020 return from the function.
11022 2006-01-22 Zack Weinberg <zackw@panix.com>
11024 * rtl.def (match_code): Add second argument.
11025 * genpreds.c (write_extract_subexp): New function.
11026 (write_match_code): Add path argument. Use write_extract_subexp.
11027 (write_predicate_expr): Pass path to write_match_code.
11028 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11029 not perform a mode test.
11030 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11031 a subexpression does not constrain the top-level code set.
11032 * read-rtl.c (read_rtx_variadic): New function.
11033 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11034 * doc/md.texi: Document new notation.
11035 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11036 (cmpsi_operand): ... here, using new notation.
11038 2006-01-22 Zack Weinberg <zackw@panix.com>
11040 * varray.c: Remove GENERATOR_FILE #ifdefs.
11042 2006-01-22 Zack Weinberg <zackw@panix.com>
11044 * genautomata.c (output_reserved_units_table): Emit nothing if
11045 description->query_units_num is zero. Remove extra blank line.
11046 (output_cpu_unit_reservation_p): Short circuit
11047 if description->query_units_num is zero.
11049 2006-01-22 Zack Weinberg <zackw@panix.com>
11051 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11052 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11053 nor any of the random handful of variables that used to be necessary
11054 when this program was linked with rtlanal.o. Prune set of forward
11055 function declarations.
11056 (struct attr_desc): Remove static_p field.
11057 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11058 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11059 (attr_string): Do not read the character one past the length of
11061 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11062 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11063 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11064 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11065 (make_automaton_attrs): New.
11066 (main): Do not call into genautomata. Call local gen_bypass
11067 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11068 Remove special case for insn_alts.
11069 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11070 varray.h (leftover from previous change). Prune set of forward
11071 function declarations. Remove state_alts fields from all
11072 structures. Remove state_alts_table from struct automaton.
11073 Make everything except main static. Do not maintain num_dfa_decls.
11074 Do not maintain state_alts fields of various structures.
11075 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11076 (add_arc): Remove state_alts argument. All callers updated.
11077 (output_reserved_units_table): Emit #ifdef here...
11078 (output_tables): ...not here. Don't generate state_alts tables.
11079 (expand_automata): Don't generate attributes.
11080 (write_automata): Don't generate state_alts functions.
11081 (main): New function.
11082 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11083 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11084 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11085 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11086 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11087 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11088 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11089 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11091 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11092 * genattrtab.h: Delete file.
11093 * Makefile.in (OBJS-common): Add insn-automata.o.
11094 (insn-automata.o): New rule.
11095 (simple_generated_c): Add insn-automata.c.
11096 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11097 (genprogmd): Add automata.
11098 (build/genattrtab): Needs no extra objects nor libraries.
11099 (build/genautomata): Needs build/vec.o and -lm.
11101 2006-01-22 Zack Weinberg <zackw@panix.com>
11103 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11104 (output_dfa_max_issue_rate, locked_states_num): Delete.
11105 (struct automaton): Add locked_states field.
11106 (output_dead_lock_vect): Save number of locked states in
11107 automaton->locked_states. If it is zero, don't print anything.
11108 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11109 (output_internal_dead_lock_func): Only test the dead_lock_vect
11110 for automata that have locked states.
11111 (output_statistics): Always print the number of locked states for
11112 each automaton. Calculate total number of locked states here.
11113 (write_automata): Don't call output_dfa_max_issue_rate.
11114 * genattrtab.c: Define length_unit_log as a const variable.
11115 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11116 max_insn_queue_index const.
11117 * final.c (length_unit_log): Declare const.
11118 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11120 2006-01-22 Zack Weinberg <zackw@panix.com>
11122 * genautomata.c: Include vec.h, not varray.h.
11123 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11124 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11125 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11126 VEC_* macros operating on appropriately typed vectors, or to
11127 malloced arrays when the size is known in advance. Const-ify
11128 many char* variables and function arguments. No functional changes.
11129 * Makefile.in (build/varray.o): Delete rule.
11130 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11131 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11133 2006-01-22 Zack Weinberg <zackw@panix.com>
11135 * gensupport.c: Define get_insn_name and record_insn_name here.
11136 (read_md_rtx): Call record_insn_name as appropriate.
11137 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11138 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11139 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11141 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11142 (BUILD_VARRAY): Delete.
11143 (genprognormal): Rename genprogmd. Fold in all programs from
11144 genprognoprint; also attrtab.
11145 (build/genattrtab): Just mention genautomata.o and varray.o.
11146 Reorganize a bit, add comments to make the categories clearer.
11148 2006-01-22 Zack Weinberg <zackw@panix.com>
11150 * genconditions.c (condition_table, add_condition): Delete.
11151 (write_conditions): Don't emit n_insn_conditions nor
11152 insn_elision_unavailable. Issue the gcc version #ifdef here,
11153 inside the table, with no #else clause ...
11154 (write_header): ...not here.
11155 (write_writer): New function.
11156 (main): Don't initialize condition_table. Use add_c_test.
11158 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11159 files on the command line.
11160 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11161 Return -1 if there is no entry in the table, don't abort.
11162 (add_c_test, traverse_c_tests): New functions.
11163 * gensupport.h (insn_elision_unavailable, insn_conditions)
11164 (n_insn_conditions): Delete declarations.
11165 (add_c_test, traverse_c_tests): Declare.
11166 * read-rtl.c: Include gensupport.h.
11167 (read_conditions): New function.
11168 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11169 (read_rtx_1): If we get EOF when we were looking for an initial
11170 open paren, return 0. Call read_conditions when appropriate.
11171 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11172 dummy-conditions.o. Eliminate references to insn-conditions.o,
11173 or change them to build/gencondmd.o, as appropriate. Remove
11174 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11175 from $(simple_generated_c). For all files remaining in those
11176 two lists, add insn-conditions.md to the generator command line.
11177 Give insn-constants.h/s-constants their own rules. Add rules
11178 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11179 (build/read-rtl.o): Depend on gensupport.h.
11180 (genprognormal): Include preds.
11181 (genprogearly): Rename genprognoprint; only difference is now that
11182 they don't link with $(BUILD_PRINT).
11183 * dummy-conditions.c: Delete.
11185 2006-01-22 Zack Weinberg <zackw@panix.com>
11187 * genextract.c: Don't include insn-config.h. Do include vec.h.
11188 Declare vectors of int, char, and locstr.
11189 (locstr): New typedef.
11190 (struct extraction): Make all array fields into bare pointers.
11191 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11192 (insn_code_number): Delete.
11193 (accum_extract): New struct.
11194 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11195 (gen_insn): Take insn_code_number as an argument. Use an
11196 accum_extract structure instead of loading data directly into
11197 a struct extraction, and having to know how big it might get.
11198 (walk_rtx): Operate entirely on an accum_extract structure.
11199 (print_path): Avoid unnecessary use of printf.
11200 (print_header): New function, split out of main. Distinguish
11201 more carefully between an unrecognizable insn and an insn that
11202 has the code number of a define_expand.
11203 (main): Pass insn_code_number to gen_insn. Call print_header
11204 only after parsing. Avoid unnecessary use of printf.
11205 * Makefile.in (build/vec.o): New rule.
11206 (build/genextract): Depend on build/vec.o.
11207 (build/genextract.o): Don't depend on insn-config.h.
11209 2006-01-22 Zack Weinberg <zackw@panix.com>
11211 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11212 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11213 practical. Eliminate per-generator-program link rules.
11215 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11217 PR middle-end/24437
11218 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11219 with a call expr to ...
11220 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11222 2006-01-23 Richard Guenther <rguenther@suse.de>
11224 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11225 before make_edge with conditional EDGE_TRUE_VALUE.
11227 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11228 Jan Hubicka <jh@suse.cz>
11229 Richard Guenther <rguenther@suse.de>
11231 PR rtl-optimization/25654
11232 * cfgexpand.c (aggregate_contains_union_type): New function.
11233 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11234 for structure variables that contain a union type.
11236 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11238 * gengtype.c (new_structure): Return the structure.
11239 (create_option): Add an extra "next" argument.
11240 (create_field): New function.
11241 (adjust_field_rtx_def): Use create_option and create_field.
11242 Remove a now-unnecessary call to find_structure.
11243 (adjust_field_tree_def): Likewise.
11244 (note_yacc_type): Remove an unnecessary call to find_structure.
11245 * gengtype.h (new_structure): Return the structure.
11246 (create_option): Add an extra argument.
11247 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11248 (option): Adjust calls to create_option.
11250 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11252 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11254 2006-01-22 Paul Brook <paul@codesourcery.com>
11255 Peter Barada <peter@the-baradas.com>
11257 * config/m68k/m68k.md: Add Coldfire FPU support.
11258 Define FP mode macro and associated attributes.
11259 Use it for float mode patterns.
11260 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11261 (LIBCALL_VALUE): Use m68k_libcall_value.
11262 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11263 (m68k_function_value): Ditto.
11264 (emit_move_sequence): Ditto.
11265 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11266 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11267 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11268 (MULTILIB_EXCEPTIONS): Ditto.
11269 * config/m68k/m68k.opt: Add mcfv4e.
11270 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11271 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11272 (m68k_output_function_prologue): Save ColdFire FPU registers.
11273 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11274 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11275 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11276 ColdFire FPU registers.
11277 (m68k_libcall_value, m68k_function_value): New functions.
11278 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11279 (LIBCALL_VALUE): Use m68k_libcall_value.
11280 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11281 (MASK_COLDFIRE): Add MASK_CFV4E.
11282 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11283 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11284 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11285 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11286 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11287 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11288 * doc/invoke.tex: Document -mcfv4e on m68k.
11290 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11292 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11295 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11298 * c-opts.c (c_common_handle_option): Don't include
11299 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11300 * doc/invoke.texi (C++ Dialect Options): Document that
11301 -Wnon-virtual-dtor is no longer included in -Wall.
11303 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11305 * gcov.c (print_version), gcov-dump.c (print_version),
11306 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11309 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11311 * df-scan.c (problem_SCAN): Added NULL reset function.
11312 (df_scan_reset_blocks): Added code to call reset block function
11313 (df_bb_refs_delete) Fixed comment.
11314 (df_insn_refs_delete): Made tolerant of deleting non existent info
11315 for dataflow problems that need to be reset.
11316 * df-core.c (df_set_blocks): Ditto.
11317 * df.h (struct df_problem): Added reset_fun.
11318 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11319 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11320 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11321 functions to clear out all references to def-use or use-def chains.
11323 2006-01-21 Ben Elliston <bje@au.ibm.com>
11325 * varasm.c (assemble_real): Initialise data array.
11327 2006-01-20 Paul Brook <paul@codesourcery.com>
11329 Merge from csl-arm-branch.
11330 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11331 * config/arm/arm.md (movdi): Force operands[1] to a register
11332 if we have a non-register source.
11333 (*arm_movdi, *movdf_soft_insn): Require that one of the
11334 operands be a register.
11335 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11336 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11338 2006-01-20 DJ Delorie <dj@redhat.com>
11340 * varasm.c (initializer_constant_valid_p): Allow pointers
11341 initialized from integer constants of lesser precision.
11342 (output_constant): Allow non-int-sized pointer modes to be
11343 initialized from integer constants.
11345 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11348 * cppdefault.h (struct default_include): Add multilib flag.
11349 * cppdefault.c (cpp_include_defaults): Set it.
11350 * c.opt (-imultilib): New option.
11351 * c-opts.c (imultilib): New.
11352 (c_common_handle_option): Handle -imultilib.
11353 (c_common_post_options): Likewise.
11354 * c-incpath.c (add_standard_paths, register_include_chains):
11356 * c-incpath.h (register_include_chains): Add extra parameter.
11357 * gcc.c (do_spec_1): Generate -imultilib option.
11358 (The Specs Language): Update %I description.
11359 (process_command): Update copyright notice.
11360 * doc/cppopts.texi (-imultilib): Document.
11361 * doc/invoke.texi (-imultilib): Include in option summary.
11362 (%I): Update specs documentation.
11364 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11366 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11368 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11370 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11373 2006-01-20 Richard Guenther <rguenther@suse.de>
11374 Steven Bosscher <stevenb.gcc@gmail.com>
11376 PR rtl-optimization/24626
11377 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11378 EDGE_TRUE_VALUE if in RTL mode.
11381 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11382 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11384 2006-01-20 Dirk Mueller <dmueller@suse.com>
11387 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11388 instead of a special NOP marker.
11389 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11390 NOP marker handling.
11391 * c-common.h (empty_body_warning): Add forward declaration.
11392 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11393 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11395 2006-01-20 Paul Brook <paul@codesourcery.com>
11397 * Makefile.in (lang_checks): Keep going if mkdir fails.
11399 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11401 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11402 be able to clean out basic block when not necessary.
11403 (df_scan_free): Fixed to properly delete information if df is
11404 unused before calling df_finish.
11405 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11406 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11408 (df_bb_refs_delete): New function.
11409 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11410 * df-core.c (df_set_blocks): Added code to properly clean out
11411 unused blocks if they are not part of the blocks to consider.
11412 Added additional null check.
11413 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11414 be able to clean out basic block when not necessary
11415 * df.h (df_free_bb_function): Ditto.
11416 (df_bb_refs_delete): New function.
11417 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11418 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11419 basic block parameter to be able to clean out basic block when not
11421 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11422 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11423 Fixed to properly delete information if df is unused before
11426 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11428 PR rtl-optimization/25799
11429 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11430 Corrected confluence operator to remove bits from op2 before oring
11431 with op1 rather than removing bits from op1.
11432 (df_ru_transfer_function): Corrected test on wrong bitmap which
11433 caused infinite loop. Both of these problems were introduced in
11434 the dataflow rewrite.
11436 2006-01-19 DJ Delorie <dj@redhat.com>
11438 * reload1.c (find_reload_regs): Note the details of reload
11439 failures in the dump file.
11440 (spill_failure): Likewise.
11442 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11444 * loop-iv.c: Include df.h and hashtab.h.
11445 (enum iv_grd_result): New enum.
11446 (DF_REF_IV, DF_REF_IV_SET): New macros.
11447 (struct biv_entry): New.
11448 (df, bivs): New global variables.
11449 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11450 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11452 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11453 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11454 analyzed_for_bivness_p, record_biv): New functions.
11455 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11456 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11457 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11459 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11461 (iv_number_of_iterations): Use new interface to iv analysis.
11462 * loop-unroll.c: Do not include varray.h.
11463 (analyze_iv_to_split_insn): Use new interface to iv
11465 * loop-unswitch.c (may_unswitch_on): Ditto.
11466 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11468 (df_bb_modify): Realloc tables to the new index.
11469 (df_find_use): New function.
11470 * df.h (df_find_use): Declare.
11471 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11473 * cfgloop.h (struct rtx_iv): Remove analysed field.
11474 (iv_get_reaching_def): Removed.
11475 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11476 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11477 (loop-iv.o): Add df.h and hashtab.h dependency.
11478 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11480 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11483 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11485 (__floatundisf, __floatundidf): Likewise.
11486 * libgcc2.h (IS_IBM_EXTENDED): Define.
11488 2006-01-19 DJ Delorie <dj@redhat.com>
11490 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11492 2006-01-19 Paul Brook <paul@codesourcery.com>
11494 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11495 as nothrow when unwinding tables are disabled.
11497 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11500 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11501 of bit-field" when in system header.
11503 2006-01-19 DJ Delorie <dj@redhat.com>
11505 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11506 the 16 bit shift limit of the m16c.
11508 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11511 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11512 * config/i386/i386.c (output_set_got): Output the label if we have one
11513 for the TARGET_DEEP_BRANCH_PREDICTION case.
11515 2006-01-19 Jan Hubicka <jh@suse.cz>
11516 H.J. Lu <hongjiu.lu@intel.com>
11517 Evandro Menezes <evandro.menezes@amd.com>
11519 * invoke.texi (generic): Document
11521 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11522 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11523 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11524 (x86_use_incdec, x86_pad_returns): New variables
11525 (TARGET_CPU_DEFAULT_generic): New constant
11526 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11527 (enum processor_type): Add generic32 and generic64.
11528 * i386.md (cpu attribute): Add generic32/generic64
11529 (movhi splitter): Behave sanely when both partial_reg_dependency and
11530 partial_reg_stall are set.
11531 (K8 splitters): Enable for generic as well.
11532 * predicates.md (incdec_operand): Use TARGET_INCDEC
11533 (aligned_operand): Avoid memory mismatch stalls.
11534 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11535 * ppro.md: Enable for generic32
11536 * i386.c (generic64_cost, generic32_cost): New.
11537 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11538 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11539 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11540 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11541 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11542 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11543 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11544 x86_accumulate_outgoing_args, x86_prologue_using_move,
11545 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11546 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11547 Enable for generic.
11548 (x86_use_incdec, x86_pad_returns): New.
11549 (override_options): Add generic32 and generic64, translate "generic"
11550 to generic32/generic64 and "i686" to "generic32", refuse
11551 "generic32"/"generic64" as arch target.
11552 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11553 (ix86_reorg): Honor PAD_RETURNS.
11555 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11557 * tree-pretty-print.c (dump_generic_node): Handle
11558 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11559 * cgraph.c (cgraph_expand_queue): Rename from
11560 cgraph_analyze_queue. Update all users.
11561 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11562 cgraph_expand_queue.
11563 (cgraph_expand_all_functions): Likewise.
11564 (cgraph_finalize_pending_functions): Remove. Update callers.
11566 * tree.h (OMP_DIRECTIVE_P): Define.
11567 (OMP_PARALLEL_FN): Define.
11568 (OMP_PARALLEL_DATA_ARG): Define.
11569 (OMP_SECTIONS_SECTIONS): Define.
11570 * tree-pass.h (pass_expand_omp): Declare.
11571 * omp-low.c (struct omp_region): Declare.
11572 (struct omp_context): Remove fields 'parallel_type',
11573 'parallel_start_ix' and 'parallel_start_additional_args'.
11575 (struct omp_for_data): Rename from struct expand_omp_for_data.
11576 (omp_regions): New static variable.
11577 (root_omp_region): New static variable.
11578 (find_omp_clause): Make static.
11579 (is_in_combined_parallel_ctx): Remove.
11580 (is_combined_parallel): New.
11581 (extract_omp_for_data): Move earlier in the file.
11582 (workshare_safe_to_combine_p): New.
11583 (get_ws_args_for): New.
11584 (determine_parallel_type): Move earlier in the file.
11585 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11587 (omp_copy_decl): Likewise.
11588 (create_omp_child_function): Likewise.
11589 (lookup_omp_region): New.
11590 (dump_omp_region): New.
11591 (debug_omp_region): New.
11592 (debug_all_omp_regions): New.
11593 (new_omp_region): New.
11594 (scan_omp_parallel): If parallel_nesting_level > 1, the
11595 directive is nested within another parallel directive.
11596 Set OMP_PARALLEL_FN.
11597 (scan_omp_for): Do not try to handle combined parallel+for
11599 Remove FIXME comment.
11600 (scan_omp_nested): Remove.
11601 (scan_omp_1): Do not call scan_omp_nested when
11602 parallel_nesting_level is > 1.
11603 Do not change the DECL_CONTEXT of local variables found.
11604 (lookup_decl_in_outer_ctx): New.
11605 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11606 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11607 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11608 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11609 If CTX is nested, lookup VAR in the outer context when
11610 building copy assignment.
11611 (lower_send_clauses): Rename from expand_send_clauses.
11612 If CTX is nested, lookup VAR in the outer context when
11613 building copy assignments.
11614 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11615 If CTX is nested, lookup VAR in the outer context when
11616 building copy assignments.
11617 (expand_parallel_call): Rename from build_parallel_call.
11618 Handle combined parallel+workshare cases.
11619 Re-implement to emit code into the CFG.
11621 (expand_omp_parallel): Re-implement to emit code into the CFG.
11622 Call move_sese_region_to_fn to outline the sub-graph
11623 containing the parallel region.
11624 (expand_omp_for_1): Remove.
11625 (expand_omp_for_generic): Re-implement to emit code into the
11627 (expand_omp_for_static_nochunk): Likewise.
11628 (expand_omp_for_static_chunk): Likewise.
11629 (expand_omp_for): Likewise.
11630 (expand_omp_sections): Likewise.
11631 (remove_exit_barriers): New.
11632 (expand_omp_synch): New.
11634 (build_omp_regions_1): New.
11635 (build_omp_regions): New.
11636 (execute_expand_omp): New.
11637 (gate_expand_omp): New.
11638 (pass_expand_omp): Define.
11639 (lower_omp_sections): Rename from expand_omp_sections.
11640 Set OMP_SECTIONS_SECTIONS.
11641 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11642 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11643 (lower_omp_single): Rename from expand_omp_simple.
11644 (lower_omp_master): Rename from expand_omp_master.
11645 (lower_omp_ordered): Rename from expand_omp_ordered.
11646 (lower_omp_critical): Rename from expand_omp_critical.
11647 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11648 (lower_omp_for): Re-implement.
11649 (lower_omp_parallel): Re-implement.
11650 (lower_regimplify): Rename from expand_regimplify.
11651 (lower_omp_1): Rename from expand_omp_1.
11652 If there are syntax errors in the program, replace every
11653 OpenMP directive with NOP.
11654 Call lower_omp_* instead of expand_omp_*.
11655 (lower_omp): Rename from expand_omp.
11657 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11658 * tree-gimple.h (enum omp_parallel_type): Remove.
11659 (gimple_boolify): Declare extern.
11660 (find_omp_clause, determine_parallel_type): Remove.
11662 * gimple-low.c (lower_omp_directive): New.
11663 (lower_stmt): Call it.
11664 (record_vars_into): Move from ...
11665 (record_vars): ... here.
11666 Call record_vars_into with current_function_decl.
11668 * gimplify.c (struct gimplify_ctx): Remove fields
11669 combined_pre_p and combined_ctxp. Update users.
11670 (get_formal_tmp_var): Add documentation.
11671 (gimple_boolify): Make extern.
11672 (gimplify_expr_in_ctx): Remove. Update callers.
11673 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11674 will always be a BIND_EXPR.
11675 (gimplify_expr): Handle OMP_RETURN_EXPR.
11676 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11677 (OMP_PARALLEL): Add 3 operands.
11678 (OMP_SECTIONS): Add 1 operand.
11679 (OMP_RETURN_EXPR): Define.
11681 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11682 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11683 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11684 creating a circular free list.
11685 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11687 * tree-flow.h (move_sese_region_to_fn): Declare.
11688 (record_vars_into): Declare.
11689 * tree-cfg.c (make_omp_sections_edges): New.
11690 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11691 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11692 OMP_SECTIONS and OMP_SECTION.
11693 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11694 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11695 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11696 (gather_blocks_in_sese_region): New.
11697 (struct move_stmt_d): Declare.
11698 (move_stmt_r): New.
11699 (move_block_to_fn): New.
11700 (move_sese_region_to_fn): New.
11702 * passes.c (init_optimization_passes): Schedule
11703 pass_expand_omp after pass_init_datastructures.
11705 * tree-ssa-operands.c (get_expr_operands): Handle
11706 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11707 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11709 2006-01-19 Jeff Law <law@redhat.com>
11711 * tree-vrp.c (extract_range_from_assert): Refine the result range
11712 if the variable referenced by the ASSERT_EXPR has a range and
11713 either the tentative result range or the previous range is a
11716 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11718 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11720 2006-01-19 Jan Hubicka <jh@suse.cz>
11722 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11724 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11726 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11727 (expand_compound_operation, expand_field_assignment): Fail if the
11728 bit lengths of an extract operation are out of range.
11729 (make_extraction): Compute wanted_inner_mode based on the position
11730 and length of the extraction. Make it extraction_mode for non-constant
11731 positions, and do not modify offset in that case. When generating a
11732 new MEM, use a mode that can hold the extraction while keeping correct
11733 alignment. Remove code that supported MEMs wrapped by USEs.
11734 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11736 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11738 * config/s390/s390.md ("Y", "y"): New mode attribute.
11739 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11740 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11741 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11742 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11743 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11744 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11745 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11746 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11747 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11748 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11749 "addsi3", "subsi3"): Insn patterns removed.
11750 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11751 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11752 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11753 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11754 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11755 "*sub<mode>3_cconly2"): New insn patterns.
11756 ("addsi3", "subsi3"): New expanders.
11758 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11760 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11761 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11762 existing STMT_VINFO_VECTYPE if available.
11763 (vect_mark_relevant): Add special handling for stmts that are
11764 marked as STMT_VINFO_IN_PATTERN_P.
11765 (vect_analyze_loop): Call vect_pattern_recog.
11766 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11767 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11769 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11770 (vect_recog_func_ptr): New function-pointer type.
11771 * tree-vect-patterns.c: New file.
11772 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11773 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11774 (vect_pattern_recog_1): New functions.
11775 (vect_pattern_recog_funcs): New array of function pointers.
11777 * tree-vectorizer.h (ternary_op): New enum value.
11778 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11779 declaration. Revised documentation. Removed redundant dump prints.
11780 Removed redundant argument. Added support for reduction patterns.
11781 (vectorizable_reduction): Added support for reduction patterns.
11782 (vect_transform_stmt): Added support for patterns.
11784 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11785 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11786 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11787 (expand_widen_pattern_expr): New function.
11788 (init_optabs): Initialize new optabs udot_prod_optab,
11790 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11791 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11792 (expand_widen_pattern_expr): New function declaration.
11793 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11795 * tree-inline.c (estimate_num_insns_1): Added cases for new
11796 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11797 * tree-pretty-print.c (dump_generic_node): Likewise.
11798 (op_prio): Likewise.
11799 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11800 * tree-ssa-operands.c (get_expr_operands): Added case for
11802 * tree-vect-patterns.c (widened_name_p): New function.
11803 (vect_recog_dot_prod_pattern): Added function implementation.
11804 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11805 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11806 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11807 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11809 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11810 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11811 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11812 (init_optabs): Initialize new optabs widen_ssum_optab,
11814 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11815 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11816 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11817 use instead of type of def.
11818 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11819 function implementation.
11820 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11821 widen_ssumv8hi): New.
11823 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11826 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11829 * c-decl.c (add_flexible_array_elts_to_size): New function.
11830 (finish_decl): Use it.
11832 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11834 * diagnostic.h: Include options.h.
11835 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11836 dependancies for diagnostic.h.
11837 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11839 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11841 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11842 (ssa_ro_call_cache_valid): Ditto.
11843 * tree-ssa-alias.c (sort_tags_by_id): New function.
11844 (init_transitive_clobber_worklist): Ditto.
11845 (add_to_worklist): Ditto.
11846 (mark_aliases_call_clobbered): Ditto.
11847 (compute_tag_properties): Ditto.
11848 (set_initial_properties): Ditto.
11849 (compute_call_clobbered): Ditto.
11850 (compute_may_aliases): Call compute_call_clobbered and grouping.
11851 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11852 (compute_flow_insensitive_aliasing): Grouping now happens in our
11854 (setup_pointers_and_addressables): Remove clobbering related code.
11855 (add_may_alias): Ditto.
11856 (replace_may_alias): Ditto.
11857 (get_nmt_for): Ditto.
11858 (create_global_var):
11859 (is_escape_site): Return an escape_type enumeration.
11860 * tree-flow-inline.h (is_call_clobbered): Global var does not
11861 imply call clobbered.
11862 (mark_call_clobbered): Take a reason for marking this. Remove
11863 marking of globalness, and cache invalidation.
11864 (clear_call_clobbered): Remove cache invalidation code.
11865 * tree-dfa.c (dump_variable): If details is on, dump the reason
11867 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11869 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11870 (struct var_ann_d): Ditto.
11871 (enum escape_type): New.
11872 (mark_call_clobbered): Adjust prototype.
11873 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11874 are never call clobbered.
11875 Record reasons for escaping.
11876 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11877 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11878 (ssa_ro_call_cache_valid): Ditto.
11879 (clobbered_v_may_defs): Ditto.
11880 (clobbered_vuses): Ditto.
11881 (ro_call_vuses): Ditto.
11882 (clobber_stats): New.
11883 (init_ssa_operands): Zero out clobber stats.
11884 (fini_ssa_operands): Print out clobber stats.
11885 (get_call_expr_operands): Pass callee fndecl to
11886 add_call_read_ops).
11887 (add_call_clobber_ops): Remove use of cache.
11888 Add use of PURE_CONST information.
11889 (add_call_read_ops): Remove use of cache.
11890 Add use of static not_read information.
11892 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11894 Introduce TLS descriptors for i386 and x86_64.
11895 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11896 (TARGET_ANY_GNU_TLS): New macro.
11897 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11898 (struct machine_function): Add tls_descriptor_call_expanded_p.
11899 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11900 (ix86_current_function_calls_tls_descriptor): Likewise.
11901 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11902 (override_options): Introduce gnu2 tls dialect.
11903 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11905 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11907 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11908 (ix86_init_machine_status): Initialize new field.
11909 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11910 (ix86_tls_module_base): New.
11911 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11912 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11913 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11914 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11915 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11916 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11917 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11918 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11919 * config/i386/predicates.md (tls_modbase_operand): New.
11920 (tp_or_register_operand): New.
11922 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11924 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11925 (look_for_address_of): Ditto.
11926 (ipa_init): Walk the function decls.
11927 (static_execute): Don't set readonly on FUNCTION_DECL's.
11929 2006-01-18 Roger Sayle <roger@eyesopen.com>
11931 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11932 for shifts where the source and destination registers are different.
11934 2006-01-18 Paul Brook <paul@codesourcery.com>
11936 Merge from csl-arm-branch.
11937 2005-03-14 Julian Brown <julian@codesourcery.com>
11938 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11939 (aeabi_llsl): Likewise.
11940 (ashrdi3): Likewise.
11941 (aeabi_lasr): Likewise.
11942 (lshrdi3): Likewise.
11943 (aeabi_llsr): Likewise.
11944 2005-03-10 Julian Brown <julian@codesourcery.com>
11945 * config.gcc: Disable shared libgcc for SymbianOS.
11946 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11948 2006-01-18 DJ Delorie <dj@redhat.com>
11950 * c-pragma.c (handle_pragma_diagnostic): New.
11951 (init_pragma): Register it.
11952 * doc/extend.texi: Document it.
11954 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11955 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11956 (diagnostic_context): Add classify_diagnostic[].
11957 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11958 as errors if they're overridden to DK_WARNING.
11959 (diagnostic_initialize): Initialize classify_diagnostic[].
11960 (diagnostic_set_kind_override): New.
11961 (diagnostic_report_diagnostic): Check for kind changes.
11962 * opts.c (common_handle_option): Take lang_mask. Update callers.
11963 Handle OPT_Werror_.
11964 * common.opt (Werror=): New.
11965 * doc/invoke.texi: Document -Werror=*
11967 2006-01-18 Jeff Law <law@redhat.com>
11969 * tree-vrp.c (test_for_singularity): Correct test for new
11970 min limit. Use operand_equal_p rather than pointer equality
11971 for testing if new min/max values are equal.
11973 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11974 using range information until after propagation and folding.
11976 2006-01-18 Richard Henderson <rth@redhat.com>
11977 Aldy Hernandez <aldyh@redhat.com>
11978 Jakub Jelinek <jakub@redhat.com>
11979 Diego Novillo <dnovillo@redhat.com>
11981 * omp-low.c: New file.
11982 * c-omp.c: New file.
11984 2006-01-18 Richard Henderson <rth@redhat.com>
11985 Jakub Jelinek <jakub@redhat.com>
11986 Diego Novillo <dnovillo@redhat.com>
11988 * doc/invoke.texi: Document -fopenmp.
11989 * tree-dump.h (debug_function): Declare.
11990 * hooks.c (hook_bool_tree_bool_false): New function.
11991 (hook_tree_tree_null): Remove.
11992 (hook_tree_tree_tree_null): New.
11993 * hooks.h: Update to match.
11994 * tree-pretty-print.c (debug_tree_chain): New.
11995 (print_generic_expr): Handle TDF_CHAIN.
11996 (dump_generic_node): Handle BLOCK.
11997 Do not abort with incomplete SWITCH_EXPRs.
11998 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11999 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12000 print space after directive name.
12001 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12002 Handle OMP_MASTER and OMP_ORDERED.
12003 Handle printing of OMP_BODY just in one place, goto
12004 dump_omp_body in the rest of OMP_* nodes that have
12006 Don't handle clause nodes here. Update omp statements to
12007 use dump_omp_clauses.
12008 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12009 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12010 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12011 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12012 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12013 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12014 Adjust output for GOMP_PARALLEL.
12015 (dump_omp_clauses): New.
12016 (print_declaration): Dump DECL_VALUE_EXPR.
12017 (op_symbol_1): Split out of op_symbol.
12018 (dumping_stmts): Remove. Update all users.
12019 * cgraph.c (cgraph_analyze_queue): New.
12020 (cgraph_add_new_function): New.
12021 * cgraph.h (cgraph_analyze_queue): Declare.
12022 (cgraph_add_new_function): Declare.
12023 (cgraph_lower_function): Remove.
12024 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12025 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12026 and TYPE_P nodes in its default clause.
12027 (empty_body_p): New.
12028 (tree_range_check_failed): New.
12029 (build5_stat): New.
12030 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12031 OMP_CLAUSE_REDUCTION_MERGE,
12032 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12033 OMP_CLAUSE_PRIVATE_DEBUG,
12034 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12035 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12036 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12037 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12038 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12039 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12040 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12041 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12042 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12043 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12044 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12045 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12046 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12047 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12048 (TREE_RANGE_CHECK): New.
12049 (empty_body_p): Declare.
12050 (enum omp_clause_default_kind): New.
12051 (build_string_literal): Declare.
12052 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12053 (build5_stat, build5): Declare.
12054 * tree-pass.h (TDF_CHAIN): Define.
12055 * tree-pass.h (PROP_gimple_lomp): Define.
12056 (pass_lower_omp): Declare.
12057 * diagnostic.h (debug_tree_chain): Declare.
12058 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12060 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12061 * builtins.c (build_string_literal): Make extern.
12062 * gcc.c (include_spec_function): New.
12063 (static_spec_functions): Add it.
12064 (main): Move load of libgomp.spec ...
12065 (LINK_COMMAND_SPEC): ... here.
12066 (link_gomp_spec): New.
12067 (static_specs): Include it.
12068 (LINK_COMMAND_SPEC): Add link_gomp.
12069 (GOMP_SELF_SPECS): New.
12070 (driver_self_specs): Include it.
12071 (switch_matches): Don't mark inline.
12072 (main): Load libgomp.spec.
12073 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12074 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12075 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12076 * tree-gimple.h (enum omp_parallel): Declare.
12077 (determine_parallel_type): Declare.
12078 (omp_firstprivatize_variable): Declare.
12079 (omp_reduction_init): Declare.
12080 (diagnose_omp_structured_block_errors): Declare.
12081 (struct walk_stmt_info): Add want_return_expr.
12082 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12083 (find_omp_clause): Declare.
12084 (insert_field_into_struct): Declare.
12085 (struct walk_stmt_info): Move from tree-nested.c
12086 (walk_stmts): Declare.
12087 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12089 * cgraphunit.c (cgraph_lower_function): Make static.
12090 (cgraph_finalize_pending_functions): New.
12091 (cgraph_finalize_function): Call it.
12092 (cgraph_finalize_compilation_unit): Likewise.
12093 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12094 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12095 (BT_FN_UINT_UINT): New.
12096 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12097 DEF_FUNCTION_TYPE_VAR_4): Document.
12098 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12099 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12100 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12101 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12102 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12103 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12104 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12105 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12106 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12107 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12108 into separate files.
12109 (DEF_GOMP_BUILTIN): New.
12110 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12111 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12112 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12113 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12114 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12115 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12116 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12117 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12118 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12119 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12120 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12121 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12122 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12123 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12124 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12125 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12126 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12127 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12128 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12129 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12130 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12131 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12132 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12133 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12134 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12135 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12136 * sync-builtins.def: New file, moved from builtins.def.
12137 * omp-builtins.def: New file, moved from builtins.def.
12138 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12139 * gimple-low.c (lower_function_body): Clear data.
12140 (lower_stmt): Do not handle COMPOUND_EXPR.
12141 Remove call to print_node_brief.
12142 * c-tree.h (c_finish_omp_clauses): New prototype.
12143 (C_DECL_THREADPRIVATE_P): Define.
12144 (lookup_name_no_remap, c_omp_remap_private): Remove
12145 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12146 (check_for_loop_decls): Update decl.
12147 (lookup_name_no_remap, c_omp_remap_private): Declare.
12148 (build_indirect_ref, build_modify_expr, pushdecl,
12149 pushdecl_top_level): Move to c-common.h.
12150 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12151 before the switch, but just in the 2 places that need it.
12152 * c-decl.c (diagnose_mismatched_decls): Do not check for
12153 mismatched thread-local attributes when OLDDECL is marked
12154 threadprivate and NEWDECL has no thread-local attributes.
12155 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12156 (c_gimple_diagnostics_recursively): Rename from
12157 c_warn_unused_result_recursively. Invoke
12158 diagnose_omp_structured_block_errors.
12159 (check_for_loop_decls): Return a singular decl found.
12160 * langhooks.c (lhd_omp_predetermined_sharing): Return
12161 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12162 (lhd_omp_firstprivatize_type_sizes): New.
12163 (lhd_omp_assignment): New.
12164 (lhd_omp_predetermined_sharing): New.
12165 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12166 (struct lang_hooks_for_types): Add
12167 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12168 omp_predetermined_sharing, omp_disregard_value_expr,
12169 omp_private_debug_clause, omp_clause_default_ctor,
12170 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12171 (c_finish_omp_clauses): New.
12172 (c_finish_bc_stmt): Diagnose break within omp for.
12173 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12174 (build_unary_op): Return error_mark after reporting
12176 (build_modify_expr): Likewise.
12177 * gimplify.c: Include optabs.h and pointer-set.h.
12178 (enum gimplify_omp_var_data): Declare.
12179 (struct gimplify_omp_ctx): Declare.
12180 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12182 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12183 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12184 (splay_tree_compare_decl_uid): New.
12185 (new_omp_context): New.
12186 (delete_omp_context): New.
12187 (gimple_add_tmp_var): Call omp_add_variable.
12188 (gimplify_bind_expr): Likewise.
12189 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12190 true, disregard DECL_VALUE_EXPR on the decl if any.
12191 (gimplify_expr_in_ctx): New.
12192 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12193 omp_add_variable, omp_notice_variable, omp_is_private
12194 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12195 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12196 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12197 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12198 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12199 gimplify_omp_atomic): New.
12200 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12201 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12202 OMP_CRITICAL and OMP_ATOMIC.
12203 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12204 * c-pragma.h (enum pragma_kind): Add
12205 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12206 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12207 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12208 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12209 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12210 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12211 PRAGMA_OMP_THREADPRIVATE.
12212 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12213 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12214 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12215 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12216 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12217 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12218 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12219 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12220 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12221 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12222 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12223 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12224 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12226 (struct nesting_info): Add field_map,
12227 suppress_expansion, debug_var_chain.
12228 (create_nesting_tree): Initialize them.
12229 (lookup_field_for_decl): Use field_map.
12230 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12231 (convert_local_omp_clauses): New.
12232 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12233 (walk_body): Split out of walk_function.
12234 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12235 (convert_nonlocal_reference): Handle omp statements.
12236 (convert_local_reference): Likewise.
12237 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12238 (unnest_nesting_tree): New.
12239 (lower_nested_functions): Call it.
12240 (insert_field_into_struct): Make extern.
12241 (struct walk_stmt_info): Move to tree-gimple.h.
12242 (walk_stmts): Make extern.
12243 * omp-builtins.def: New file.
12244 * tree-iterator.c (expr_only): Clarify comment.
12245 * c-common.h (pushdecl_top_level, pushdecl,
12246 build_modify_expr, build_indirect_ref,
12247 c_finish_omp_master, c_finish_omp_critical,
12248 c_finish_omp_ordered, c_finish_omp_barrier,
12249 c_finish_omp_atomic, c_finish_omp_flush,
12250 c_finish_omp_for, c_split_parallel_clauses,
12251 omp_clause_default_kind, c_omp_sharing_predetermined,
12252 c_omp_remap_decl): Declare.
12253 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12254 (OBJS-common): Add omp-low.o.
12255 (c-omp.o, omp-low.o): Add.
12256 (gimplify.o): Add dependency on $(OPTABS_H).
12257 (GTFILES): Add omp-low.c.
12258 (gt-stringpool.h): Add.
12259 * tree-cfg.c (set_bb_for_stmt): Do not update the
12260 block-to-labels map if we are currently expanding to RTL.
12261 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12263 Handle IDENTIFIER_NODE.
12264 (tree_verify_flow_info): Do not ICE when emitting error
12265 messages about invalid labels.
12266 (dump_function_to_file): Reset CFUN before emitting the body
12268 (debug_function): New.
12269 * passes.c (init_optimization_passes): Schedule
12271 * langhooks-def.h (lhd_omp_predetermined_sharing,
12272 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12274 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12275 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12276 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12277 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12278 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12279 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12280 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12281 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12282 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12283 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12284 (LANG_HOOK_DECLS): Use them.
12286 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12287 Richard Henderson <rth@redhat.com>
12288 Jakub Jelinek <jakub@redhat.com>
12289 Diego Novillo <dnovillo@redhat.com>
12291 * c-parser.c (pragma_omp_clause): Define.
12292 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12293 (c_parser_compound_statement): Likewise.
12294 (c_parser_statement): Likewise.
12295 (c_parser_pragma): Handle omp pragmas.
12296 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12297 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12298 (c_parser_omp_clause_name, check_no_duplicate_clause,
12299 c_parser_omp_variable_list,
12300 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12301 c_parser_omp_clause_copyprivate,
12302 c_parser_omp_clause_default,
12303 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12304 c_parser_omp_clause_lastprivate,
12305 c_parser_omp_clause_nowait,
12306 c_parser_omp_clause_num_threads,
12307 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12308 c_parser_omp_clause_reduction,
12309 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12310 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12311 c_parser_omp_atomic, c_parser_omp_barrier,
12312 c_parser_omp_critical, c_parser_omp_flush,
12313 c_parser_omp_for_loop, c_parser_omp_for,
12314 c_parser_omp_master, c_parser_omp_ordered,
12315 c_parser_omp_sections_scope, c_parser_omp_sections,
12316 c_parser_omp_parallel, c_parser_omp_single,
12317 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12318 * c-pragma.c (init_pragma): Do omp pragma registration here.
12319 * c.opt (fopenmp): New flag.
12321 2006-01-18 Eric Christopher <echristo@apple.com>
12323 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12324 * config/darwin.h (GOMP_SELF_SPECS): Define.
12326 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12328 * rtl.h: Remove the prototype for reg_alloc.
12330 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12333 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12334 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12335 sjlj and dwarf2 exception handling.
12336 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12337 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12338 * pa/pa.c (function_value): Treat complex and vector types as
12340 (function_arg): Likewise. Only pass scalar floats in the floating
12341 point argument registers.
12342 * pa/t-slibgcc-dwarf-ver: New file.
12343 * pa/t-slibgcc-sjlj-ver: New file.
12344 * pa/t-slibgcc-elf-ver: Delete file.
12346 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12348 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12349 unlikely_test_section_p test.
12351 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12353 * mode-switching.c (optimize_mode_switching): Make it static.
12354 * basic-block.h: Remove the prototype for
12355 optimize_mode_switching.
12357 * modulo-sched.c (sms_schedule): Make it static.
12358 * rtl.h: Remove the prototype for sms_schedule.
12360 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12361 * rtl.h: Remove the prototype for gcse_after_reload_main.
12363 * reg-stack.c (reg_to_stack): Make it static.
12364 * rtl.h: Remove the prototype for reg_to_stack.
12366 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12368 * rtl.h: Remove the prototypes for regrename_optimize and
12369 copyprop_hardreg_forward.
12371 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12373 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12374 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12375 Test against the appropriate null constant for the mode.
12376 If 'fixup_overlap' is true, swap the operands if they overlap.
12377 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12378 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12379 alpha_split_tmode_pair and adjust for above change.
12380 * config/alpha/alpha.md (movtf_internal): Adjust call to
12381 alpha_split_tfmode_pair and rely on it to swap the operands.
12382 (movti_internal): New insn and post-reload splitter.
12383 (movti): New expander.
12385 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12387 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12390 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12392 * rtlanal.c (global_reg_mentioned_p_1,
12393 global_reg_mentioned_p): Remove.
12394 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12396 * flow.c (initialize_uninitialized_subregs): Make it static.
12397 * rtl.h: Remove the prototype for
12398 initialize_uninitialized_subregs.
12400 * function.c (instantiate_virtual_regs): Make it static.
12401 * function.h: Remove the prototype for
12402 instantiate_virtual_regs.
12404 * regmove.c (regmove_optimize, combine_stack_adjustments):
12406 * rtl.h: Remove the prototypes for regmove_optimize and
12407 combine_stack_adjustments.
12409 2006-01-17 Roger Sayle <roger@eyesopen.com>
12411 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12412 (size_cost): Encode costs in bytes so that a reg-reg addition is
12413 equivalent to COSTS_N_INSNS(1).
12414 (override_options): Use the size_cost.branch_cost as the default
12415 ix86_branch_cost when optimizing for size.
12417 2006-01-18 Ben Elliston <bje@au.ibm.com>
12419 * Makefile.in (D32PBIT_FUNCS): New.
12420 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12421 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12422 D64PBIT_FUNCS and D128PBIT_FUNCS.
12423 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12424 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12426 (decnumber_dep): Define.
12427 * doc/libgcc.texi (Decimal float library routines): New node.
12428 * config/dfp-bit.h, config/dfp-bit.c: New files.
12430 2006-01-18 Ben Elliston <bje@au.ibm.com>
12432 * expr.c (emit_move_change_mode): Always adjust addresses, not
12433 just during reload. Copy replacements only during reload.
12434 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12435 emit_move_via_integer.
12437 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12439 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12440 instead of $(srcdir) and ${srcdir}.
12442 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12445 PR middle-end/11135
12446 * arm.h (struct machine_function): Add pic_reg.
12447 * arm.c (arm_pic_register): Make unsigned.
12448 (arm_override_options): Only set arm_pic_register if
12449 TARGET_SINGLE_PIC_BASE.
12450 (use_return_insn): Only test for a pic register if it is fixed.
12451 (arm_compute_save_reg0_reg12_mask): Likewise.
12452 (thumb_compute_save_reg_mask): Likewise.
12453 (legitimate_pic_operand): Factor out some known invariants.
12454 (legitimize_pic_address): If we don't have a fixed pic register,
12455 then set up a pseudo in the function entry sequence. Handle the
12456 pic base being in a pseudo.
12457 (arm_load_pic_register): Handle the pic register being in a pseudo.
12458 (arm_expand_prologue): Only set up the pic register if it is fixed.
12459 (thumb_expand_prologue): Likewise.
12460 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12461 (pic_load_addr_based_insn): Likewise.
12462 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12465 2006-01-18 Ben Elliston <bje@au.ibm.com>
12467 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12468 decimal float modes for all floating point registers.
12470 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12471 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12473 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12476 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12477 even when the pointer is not NULL.
12479 2006-01-16 Ian Lance Taylor <ian@airs.com>
12481 * common.opt (ftoplevel-reorder): New option.
12482 * cgraph.c (cgraph_asm_nodes): New global variable.
12483 (cgraph_asm_last_node): New static variable.
12484 (cgraph_order): New global variable.
12485 (cgraph_create_node): Set new order field.
12486 (cgraph_varpool_node): Likewise.
12487 (decide_is_variable_needed): Return true if not
12488 flag_toplevel_reorder.
12489 (cgraph_add_asm_node): New function.
12490 * cgraph.h (struct cgraph_node): Add order field.
12491 (struct cgraph_varpool_node): Add order field.
12492 (struct cgraph_asm_node): Define.
12493 (cgraph_asm_nodes, cgraph_order): Declare.
12494 (cgraph_add_asm_node): Declare.
12495 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12497 (cgraph_varpool_assemble_pending_decls): Call it.
12498 (cgraph_output_pending_asms): New static function.
12499 (cgraph_finalize_compilation_unit): Call it.
12500 (struct cgraph_order_sort): Define.
12501 (cgraph_output_in_order): New static function.
12502 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12503 !flag_toplevel_reorder case.
12504 * c-parser.c: Include "cgraph.h".
12505 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12507 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12508 than -fno-unit-at-a-time.
12509 * doc/invoke.texi (Option Summary): Mention
12510 -fno-toplevel-reorder.
12511 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12512 -funit-at-a-time documentation.
12514 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12515 Kazu Hirata <kazu@codesourcery.com>
12517 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12519 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12521 * Makefile.in (FUNCTION_H): New. Use it instead of
12522 function.h throughout the file.
12523 * function.h: Include tree.h.
12525 2006-01-17 Ben Elliston <bje@au.ibm.com>
12527 * recog.c: Separate some functions with whitespace.
12529 2006-01-16 Richard Henderson <rth@redhat.com>
12531 Merge from gomp branch:
12532 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12533 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12534 and rename from struct inline_data. Rename callee* to dst*;
12535 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12536 transform_new_cfg, transform_return_to_modify, and
12537 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12539 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12540 (copy_decl_for_dup): Remove.
12541 * tree-inline.c (struct inline_data): Move to header.
12542 (insert_decl_map): Export.
12543 (remap_decl): Update for member name changes. Use copy_decl hook.
12544 Allow for replacement to be a non-decl. Remove dead code.
12545 (remap_type_1): Check for existing mapping.
12546 (remap_type): Export.
12547 (remap_decls): Update for member name changes.
12548 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12549 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12550 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12551 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12552 (tree_function_versioning, build_duplicate_type): Likewise.
12553 (copy_body_r): Likewise. Export.
12554 (copy_decl_for_dup): Split into ...
12555 (copy_decl_for_dup_finish, copy_decl_to_var,
12556 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12557 (replace_ref_tree, inlining_p): Remove.
12559 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12561 * ifcvt.c (if_convert): Make it static.
12562 * rtl.h: Remove the prototype for if_convert.
12564 * local-alloc.c (local_alloc): Make it static.
12565 * rtl.h: Remove the prototype for local_alloc.
12567 * loop.c (loop_optimize): Make it static.
12568 * cfgloop.h: Remove the prototype for loop_optimize.
12571 2006-01-16 DJ Delorie <dj@redhat.com>
12573 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12576 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12578 * pa.md: Disparage copies between general and floating-point registers
12579 in 32-bit move patterns.
12581 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12584 * Makefile.in (check-%): Depend on site.exp instead of
12585 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12588 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12590 * global.c (global_alloc): Make it static.
12591 * rtl.h: Remove the prototype for global_alloc.
12593 2006-01-16 Richard Guenther <rguenther@suse.de>
12595 * tree-ssa-alias.c (struct used_part): Add write_only field.
12596 (get_or_create_used_part_for): Initialize it to true.
12597 (create_overlap_variables_for): Don't create structure variables
12598 for structures that only are written to.
12599 (find_used_portions): Handle MODIFY_EXPR to track whether a
12600 structure is only written to.
12602 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12604 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12606 * basic-block.h: Remove the prototype for
12607 partition_hot_cold_basic_blocks.
12609 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12611 * cppspec.c (lang_specific_spec_functions): Remove.
12612 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12613 * gcc.h (lang_specific_spec_functions): Remove.
12614 * gccspec.c (lang_specific_spec_functions): Remove.
12616 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12618 * combine.c (record_value_for_reg): Invalidate registers
12620 (record_dead_and_set_regs_1): Likewise, by passing them to
12621 record_value_for_reg.
12622 (record_dead_and_set_regs): Invalidate stores made by a
12623 call. We do not combine across a call, but we still
12624 relied on equivalences.
12626 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12628 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12629 vrp_int_const_binop returning non-constant nodes.
12631 2006-01-16 Paul Brook <paul@codesourcery.com>
12633 * config/m68k/m68k.c (output_move_const_into_data_reg):
12634 Output correct mnemonic for mvz and mvs.
12636 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12638 * rtl-factoring.c: Add sequence abstraction algorithm.
12639 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12640 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12642 (block_has_preserve_label): New function.
12643 * common.opt: Register new pass.
12644 * Makefile.in: Ditto.
12646 * timevar.def: Ditto.
12647 * tree-pass.h: Ditto.
12648 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12649 * rtl.h (make_jump_insn_raw): Add forward decl.
12650 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12652 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12653 Roger Sayle <roger@eyesopen.com>
12655 * fold-const.c (fold_minmax): New static function.
12656 (fold_binary) <MIN_EXPR>: Call it.
12657 <MAX_EXPR>: Likewise.
12658 * stor-layout.c (place_field): Use DECL_SIZE consistently
12659 in the computation of the new record size.
12661 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12663 * cse.c (cse_condition_code_reg): Make it static.
12664 * rtl.h: Remove the prototype for cse_condition_code_reg.
12666 * combine.c (combine_instructions): Make it static.
12667 * rtl.h: Remove the prototype for combine_instructions.
12669 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12672 * tree.c (get_file_function_name_long): Concatenate the first global
12673 object name with a string derived from the input filename of the object
12676 2006-01-16 Ben Elliston <bje@au.ibm.com>
12678 * config/i386/winnt-stubs.c: Update FSF address.
12679 * config/xtensa/ieee754-df.S: Ditto.
12680 * config/xtensa/ieee754-sf.S: Ditto.
12682 2006-01-14 Ian Lance Taylor <ian@airs.com>
12684 * ifcvt.c (noce_init_if_info): New static function, broken out of
12685 noce_process_if_block.
12686 (noce_process_if_block): Call noce_init_if_info.
12687 (check_cond_move_block): New static function.
12688 (cond_move_process_if_block): New static function.
12689 (process_if_block): Call cond_move_process_if_block.
12691 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12693 * cselib.c (hash_table): Rename to cselib_hash_table.
12694 (cselib_clear_table, discard_useless_values,
12695 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12696 cselib_init, cselib_finish): Adjust uses of hash_table.
12698 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12700 PR tree-optimization/25485
12701 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12702 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12703 is known to be false and true, respectively.
12705 2006-01-14 Richard Guenther <rguenther@suse.de>
12707 PR tree-optimization/22548
12708 PR tree-optimization/22555
12709 PR tree-optimization/22501
12710 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12711 * params.def (salias-max-array-elements): New parameter.
12712 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12713 * doc/invoke.texi (salias-max-array-elements): Document.
12714 * tree-flow-inline.h (var_can_have_subvars): We also handle
12716 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12718 * tree-ssa-structalias.c (params.h): Include.
12719 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12720 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12721 (get_constraint_for): For ADDR_EXPR operating on something
12722 containing an ARRAY_REF, add all subvars to the solution.
12723 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12724 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12725 for creating MUST_DEFs.
12726 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12728 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12730 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12732 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12733 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12734 number_of_iterations_le): New functions.
12735 (number_of_iterations_special): Removed.
12736 (number_of_iterations_exit): Do not use number_of_iterations_special.
12737 * tree.c (unsigned_type_for): Always return integer type.
12739 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12740 Richard Guenther <rguenther@suse.de>
12742 PR rtl-optimization/24257
12743 * gcse.c (find_moveable_store): Only consider a store movable
12744 when the SET_SRC of the insn can be assigned to a register.
12746 2006-01-14 Ian Lance Taylor <ian@airs.com>
12748 * tree.c (tree_not_class_check_failed): New function.
12749 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12750 (tree_not_class_check_failed): Declare.
12752 2006-01-13 Ian Lance Taylor <ian@airs.com>
12754 * reload1.c (do_output_reload): Add assertion rejecting a
12757 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12759 * combine.c (struct reg_stat): Add new fields truncation_label and
12761 (record_value_for_reg): Reset truncated_to_mode.
12762 (record_truncated_value): New function.
12763 (check_promoted_subreg): Call it. Rename to check_conversions.
12764 (combine_instructions): Rename check_promoted_subreg to
12766 (reg_truncated_to_mode): New function.
12767 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12768 (gen_lowpart_or_truncate): New function.
12769 (force_to_mode): Use it instead of gen_lowpart.
12771 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12773 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12774 VAR is a tag, not its type tag.
12776 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12778 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12779 alternatives to match style of other entries.
12780 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12782 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12784 PR tree-optimization/25771
12785 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12788 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12791 * tree-inline.c (declare_return_variable): If the return variable
12792 was marked as a non gimple complex, set the return slot variable
12793 to be a non gimple comple variable.
12795 2006-01-13 Richard Guenther <rguenther@suse.de>
12797 * builtins.c (expand_builtin_sincos): New function.
12798 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12800 (expand_builtin): Expand sincos using expand_builtin_sincos.
12802 2006-01-12 DJ Delorie <dj@redhat.com>
12804 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12805 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12806 so that constant shifts can be split.
12807 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12808 (m32c_valid_pointer_mode): Make static.
12809 (shift_gen_func_for): New.
12810 (m32c_prepare_shift): Use it. Split large const shifts into
12812 * config/m32c/predicates.md (shiftcount_operand): Allow more
12814 (longshiftcount_operand): New.
12815 * doc/md.texi (Machine Constraints): Document In6.
12817 2006-01-13 Ben Elliston <bje@au.ibm.com>
12819 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12820 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12823 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12825 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12826 to try to avoid clobbering pieces of structures when we know
12827 something about the whole structure.
12828 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12830 2006-01-13 Ben Elliston <bje@au.ibm.com>
12832 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12833 return in memory, as this is no limitation is no longer present.
12835 2006-01-12 DJ Delorie <dj@redhat.com>
12837 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12838 mova with fb, and for fb+0 -> An.
12840 * config/m32c/mov.md (peephole2): Fix enabling logic.
12842 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12843 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12844 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12845 FINI_ARRAY_SECTION_ASM_OP): Define.
12847 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12849 (m32c_legitimize_reload_address): New logic to reload FB to An.
12850 (m32c_output_reg_push): Add newline.
12851 (m32c_output_reg_pop): Likewise.
12853 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12855 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12857 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12859 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12861 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12863 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12866 2006-01-11 Ben Elliston <bje@au.ibm.com>
12868 * rtlanal.c (find_reg_note): Assert insn is not null.
12870 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12872 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12875 2006-01-11 Jeff Law <law@redhat.com>
12877 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12879 (mark_threaded_blocks, register_jump_thread): New functions.
12880 (thread_through_all_blocks): Remove unwanted argument. No
12881 longer rely on e->aux to communicate thread target info.
12882 Call mark_threaded_blocks. Release the threaded_blocks
12883 bitmap and threaded_edges vector when complete.
12884 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12885 (threaded_blocks): Remove.
12886 (tree_ssa_dominator_optimize): Remove initialization and
12887 finalization of threaded_blocks. Simplify call to
12888 thread_through_all_blocks.
12889 (thread_across_edge): Call register_jump_thread rather than
12890 storing thread information into e->aux.
12891 (free_all_edge_infos): Simplify now that e->aux is no longer
12892 used to communicate with thread_through_all_blocks.
12893 * tree-flow.h (thread_through_all_blocks): Update prototype.
12894 (register_jump_thread): Prototype.
12896 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12898 * df-core.c (df_compact_blocks, df_bb_replace): Use
12899 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12901 2006-01-11 Richard Guenther <rguenther@suse.de>
12903 PR tree-optimization/25734
12904 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12905 stop propagation after successful propagation to the LHS.
12907 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12909 * basic-block.h (control_flow_graph): Change the type of
12910 x_basic_block_info to VEC(basic_block,gc) *.
12911 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12913 (SET_BASIC_BLOCK): New.
12914 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12915 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12916 * cfgbuild.c (find_basic_blocks): Likewise.
12917 * cfglayout.c (fixup_reorder_chain): Likewise.
12918 * cfgrtl.c (create_basic_block_structure,
12919 rtl_create_basic_block): Likewise.
12920 * ifcvt.c (find_if_case_1): Likewise.
12921 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12924 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12926 * Makefile.in: Removed rotted odf.c entry.
12928 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12931 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12932 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12933 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12934 output pattern modifier, not %e.
12935 * config/cris/cris.c (cris_op_str): Update comment about pattern
12937 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12938 before falling through into...
12939 <case 'E'>: Redefined from old 'e' case.
12941 2006-01-11 Jan Hubicka <jh@suse.cz>
12944 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12946 2006-01-11 Jan Hubicka <jh@suse.cz>
12948 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12949 * i386.c (x86_decompose_lea): Kill.
12950 (ix86_rtx_costs): Kill.
12952 2006-01-11 Jan Hubicka <jh@suse.cz>
12954 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12955 * cgraph.h (cgraph_node): Add inline_decl.
12956 (cgraph_insert_node_to_hashtable): Declare.
12957 (save_inline_function_body): Declare.
12958 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12960 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12961 (cgraph_function_versioning): Update call of tree_function_versioning.
12962 (save_inline_function_body): New function.
12963 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12964 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12965 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12966 (cgraph_default_inline_p): Likewise.
12967 (cgraph_decide_inlining_incrementally): Likewise.
12968 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12969 (copy_bb): Kill saving; do updating of clones.
12970 (copy_cfg_body): Kill saving.
12971 (initialize_inlined-parameters): Likewise.
12972 (expand_call_inline): Likewise.
12974 (tree_function_versioning): New parameter "update_clones".
12975 (inlining_p): Kill saving.
12976 * tree-inline.h (tree_function_versioning): Update prototype.
12977 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12980 2006-01-11 Ian Lance Taylor <ian@airs.com>
12982 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12983 Allow undoing set of machine mode.
12984 (do_SUBST): Use enums instead of is_int.
12985 (do_SUBST_MODE): New function.
12986 (SUBST_MODE): New macro.
12987 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12988 reg and trying to replace reg_regno_rtx with a new register.
12989 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12990 (simplify_set): Use SUBST_MODE.
12991 (distribute_notes): Remove code that tried to update reg notes
12992 for regno_reg_rtx changes.
12994 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12996 PR tree-optimization/23109
12997 PR tree-optimization/23948
12998 PR tree-optimization/24123
13000 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13001 * tree-cfg.c (single_noncomplex_succ): New.
13002 * tree-flow.h (single_noncomplex_succ): Declare it.
13003 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13004 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13005 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13006 insert_bb, register_division_in, insert_reciprocals,
13007 replace_reciprocal, free_bb): New.
13008 (execute_cse_reciprocals_1): Rewritten.
13009 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13010 Do not commit any edge insertion. Always compute dominators and
13011 create the allocation pool.
13012 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13013 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13014 * targhooks.c (default_min_divistions_for_recip_mul): New.
13015 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13016 * passes.c (init_optimization_passes): Run recip after tree loop
13018 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13020 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13021 Kenneth Zadeck <zadeck@naturalbridge.com>
13023 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13024 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13025 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13026 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13027 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13028 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13029 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13030 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13031 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13032 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13033 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13034 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13035 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13036 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13037 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13038 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13039 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13040 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13041 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13042 DF_SCAN_POST_ALLOC): New macros.
13043 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13044 df_free_bb_function, df_local_compute_function, df_init_function,
13045 df_dataflow_function, df_confluence_function_0,
13046 df_confluence_function_n, df_transfer_function,
13047 df_finalizer_function, df_free_function, df_dump_problem_function,
13048 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13049 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13050 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13051 df_urec_bb_info, ) New types.
13052 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13054 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13055 df_analyze_simple_change_some_blocks,
13056 df_analyze_simple_change_one_block, df_compact_blocks,
13057 df_bb_replace, df_bb_regno_last_use_find,
13058 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13059 df_insn_regno_def_p, df_find_def, df_find_use,
13060 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13061 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13062 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13063 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13064 debug_df_chain, df_get_dependent_problem, df_chain_create,
13065 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13066 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13067 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13068 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13069 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13070 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13071 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13072 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13073 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13074 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13075 df_reorganize_refs, df_set_state, df_hard_reg_init,
13076 df_read_modify_subreg_p) New public functions.
13077 * df-core.c: The core dataflow solver and glue routines for rtl
13079 (df_init, df_add_problem, df_set_blocks, df_finish,
13080 df_hybrid_search_forward, df_hybrid_search_backward,
13081 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13082 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13083 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13084 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13085 df_reg_defined, df_find_use, df_reg_used, df_dump,
13086 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13087 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13088 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13089 debug_df_useno, reset_df_after_reload): New functions.
13090 * df-scan.c: The scanning fuctions, once in df.c, completely
13091 rewritten so that they now fully model the functionality of
13092 register usage at the backend.
13093 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13094 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13095 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13096 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13097 df_get_artificial_defs, df_get_artificial_uses,
13098 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13099 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13100 df_refs_delete, df_reorganize_refs, df_set_state,
13101 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13102 df_def_record_1, df_defs_record, df_uses_record,
13103 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13104 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13105 df_record_exit_block_uses, df_hard_reg_init): New functions.
13107 * df-problems.c: Seven concrete dataflow problems that use the
13108 scanning in df-scan.c and are solved by the engine in df-core.c.
13109 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13110 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13111 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13112 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13113 df_ru_free_bb_info, df_ru_alloc,
13114 df_ru_bb_local_compute_process_def,
13115 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13116 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13117 df_ru_transfer_function, df_ru_free, df_ru_dump,
13118 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13119 df_rd_free_bb_info, df_rd_alloc,
13120 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13121 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13122 df_rd_transfer_function, df_rd_free, df_rd_dump,
13123 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13124 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13125 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13126 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13127 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13128 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13129 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13130 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13131 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13132 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13133 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13134 df_urec_mark_reg_use_for_earlyclobber,
13135 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13136 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13137 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13138 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13139 df_chain_create_bb_process_use, df_chain_create_bb,
13140 df_chain_finalize, df_chain_free, df_chains_dump,
13141 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13142 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13143 df_reg_lifetime): New functions.
13144 * df.c: Deleted file.
13145 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13146 consistent with new df api.
13147 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13148 rest_of_handle_sms): Ditto.
13149 * web.c (unionfind_union, union_defs, entry_register, web_main):
13151 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13152 invariant_expr_equal_p, find_defs, check_dependencies,
13153 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13154 free_inv_motion_data, move_loop_invariants): Ditto.
13155 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13156 Update dependencies.
13157 (odf.c): Added defective entry that was deleted later in day.
13158 * sched-deps.c (sched_analyze_1): Ditto.
13160 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13162 * tree-ssa-operands.c (get_expr_operands): Record addressable
13163 variables directly. Do not call add_stmt_operands for CONST_DECLs
13165 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13166 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13168 2006-01-11 Ben Elliston <bje@au.ibm.com>
13170 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13171 function returns true in the positive case.
13173 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13176 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13177 for SI, DI, SF and DF modes. Add alternatives to copy between
13178 general and floating point registers to the 32-bit patterns.
13179 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13180 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13181 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13182 generating 64-bit code.
13183 * config/pa/pa.c (output_move_double): Handle copies between general
13184 and floating registers.
13186 2006-01-10 Stuart Hastings <stuart@apple.com>
13188 * config/i386/i386.md (set_got): Update.
13189 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13190 (builtin_setjmp_receiver): Mach-O support.
13191 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13192 (GOT_SYMBOL_NAME): Define.
13193 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13194 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13195 * config/i386/i386.c (override_options): Revise for Darwin.
13196 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13197 support. (darwin_x86_file_end): New. (output_set_got): Add label
13198 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13199 * config/i386/i386-protos.h (output_set_got): Likewise.
13200 * config/darwin.c (machopic_legitimize_pic_address): Update
13203 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13205 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13206 when MODE isn't BLKmode.
13208 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13210 PR rtl-optimization/25367
13211 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13213 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13216 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13217 for a negative bound.
13219 2006-01-10 Richard Guenther <rguenther@suse.de>
13221 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13222 Never override with anything constraint.
13224 2006-01-10 Jan Beulich <jbeulich@novell.com>
13226 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13227 256 bits when optimize_size.
13229 2006-01-10 Jan Beulich <jbeulich@novell.com>
13231 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13233 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13234 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13237 2006-01-10 Ben Elliston <bje@au.ibm.com>
13239 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13241 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13242 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13243 (USE_FP_FOR_ARG): Reject decimal float modes.
13244 (function_arg_advance): Likewise.
13245 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13246 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13247 point types in AltiVec vectors.
13248 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13249 (rs6000_libcall_value): Likewise.
13251 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13253 * config/xtensa/ieee754-df.S: New file.
13254 * config/xtensa/ieee754-sf.S: New file.
13255 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13256 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13257 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13259 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13261 * config/sh/predicates.md (binary_float_operator,
13262 binary_logical_operator, commutative_float_operator,
13263 equality_comparison_operator, greater_comparison_operator,
13264 less_comparison_operator, logical_operator,
13265 noncommutative_float_operator, shift_operator,
13266 symbol_ref_operand, unary_float_operator): Remove redundant
13269 2006-01-09 Jeff Law <law@redhat.com>
13271 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13272 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13273 now unused arguments. Callers updated.
13274 (eliminate_redundant_computations): Remove now unused arguments,
13276 (local_fold): Remove, no longer used.
13277 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13279 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13280 (simplify_cond): New function.
13281 (forward_propagate_into_cond): Call simplify_cond.
13283 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13285 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13286 (*vec_extractv2di_1_sse): New.
13288 2006-01-09 Ben Elliston <bje@au.ibm.com>
13290 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13292 2006-01-08 Richard Guenther <rguenther@suse.de>
13294 * tree-ssa-structalias.c (get_constraint_for): Remove
13295 anyoffset argument.
13296 (get_constraint_for_component_ref): Likewise.
13297 (do_deref): Likewise.
13298 (get_constraint_for): Likewise.
13299 (do_structure_copy): Likewise.
13300 (handle_ptr_arith): Likewise.
13301 (find_func_aliases): Likewise. Remove unused need_anyoffset
13304 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13305 Kaz Kojima <kkojima@gcc.gnu.org>
13307 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13308 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13309 (EXTRA_CONSTRAINT_C16): Remove.
13310 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13311 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13312 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13313 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13314 constants of SHmedia. Handle nested constant expressions of
13316 (andcosts): Fix the costs for SHmedia constants.
13317 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13318 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13319 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13320 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13321 (movv4hi_i, movv2si_i): Likewise.
13322 (movsi_const): Adjust the second operand of ior so to match with
13323 the Csu constraint.
13324 (movdi_const, movdi_const_32bit): Likewise.
13325 (movdi_const_16bit+1): Don't sign-extend LOW.
13326 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13328 (*double_shori): Fix the split condition. Use GEN_INT instead
13329 of get_int_mode calls. Mask lower 16-bit of the argument of
13331 (sym2GOTPLT): Remove.
13332 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13334 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13335 instead of EXTRA_CONSTRAINT_C16.
13337 2006-01-07 Ian Lance Taylor <ian@airs.com>
13338 David Edelsohn <edelsohn@gnu.org>
13340 PR rtl-optimization/25662
13341 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13342 for constant operands instead of simplify_gen_binary.
13343 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13344 after trying simplify_binary_operation
13346 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13348 * tree.c (iterative_hash_expr): Hash decls based on UID.
13350 2006-01-06 Eric Christopher <echristo@apple.com>
13352 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13353 (TARGET_UNWIND_EMIT): Fix spelling.
13354 * target.h (gcc_target): Add except_table_label.
13355 * except.c (output_function_exception_table): Use.
13356 * varasm.c (default_emit_except_table_label): New.
13357 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13359 (asm_out): Add here.
13360 * output.h (default_emit_except_table_label): Prototype.
13361 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13362 * config/darwin.c (darwin_emit_except_table_label): Define.
13363 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13365 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13367 PR tree-optimization/18527
13368 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13369 number_of_iterations_special, number_of_iterations_exit):
13370 Move base and step of an iv to a single structure. Add
13371 no_overflow flag, and use it in # of iterations analysis.
13372 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13373 folded_casts argument.
13374 (simple_iv): Pass base and step in a structure. Set no_overflow
13376 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13377 Evaluate expensiveness of computing # of iterations instead of
13378 the final expression.
13379 * tree-scalar-evolution.h (affine_iv): New structure.
13380 (simple_iv): Declaration changed.
13381 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13382 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13383 find_givs_in_stmt): Changed due to simple_iv change.
13385 2006-01-06 Jeff Law <law@redhat.com>
13388 * tree-cfg.c (bsi_replace): Rename final argument from
13389 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13390 change (stmt -> orig_stmt).
13391 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13392 (bsi_remove): Add new argument. Remove EH information
13394 (verify_eh_throw_table_statements): New function.
13395 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13397 * tree-optimize.c (execute_free_cfg_annotations): Verify
13398 the EH throw statement table after removing annotations.
13399 * except.h (verify_eh_throw_table_statements): Prototype.
13400 * tree-flow.h (bsi_remove): Update prototype.
13401 * tree-vrp.c (remove_range_assertions): Add new argument to
13403 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13404 * tree-complex.c (expand_complex_div_wide): Likewise.
13405 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13406 * tree-tailcall.c (eliminate_tailcall): Likewise.
13407 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13408 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13409 * tree-nrv.c (tree_nrv): Likewise.
13410 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13411 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13412 (combine_blocks): Likewise.
13413 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13414 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13415 (cleanup_control_flow): Likewise.
13416 (remove_forwarder_block): Likewise.
13417 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13418 * tree-sra.c (sra_replace): Likewise.
13419 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13420 (forward_propagate_single_use_vars): Likewise.
13421 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13422 * tree-inline.c (expand_call_inline): Likewise.
13423 * tree-vect-transform.c (vect_transform_loop): Likewise.
13424 * tree-outof-ssa.c (rewrite_trees): Likewise.
13425 * tree-cfg.c (make_goto_expr_edges): Likewise.
13426 (cleanup_dead_labels): Likewise.
13427 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13428 (bsi_move_before, bsi_move_after): Likewise.
13429 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13430 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13432 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13435 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13437 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13438 on non gimple variables. Also add checks at the top for decls and
13440 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13442 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13443 and IMAGPART_EXPR for creating MUST_DEFs.
13444 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13445 and NAME_MEMORY_TAG separately from the DECLs.
13447 2006-01-06 Richard Guenther <rguenther@suse.de>
13449 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13450 annotation, if necessary.
13451 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13452 redundant calls to update_stmt.
13453 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13456 2006-01-05 Richard Henderson <rth@redhat.com>
13458 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13460 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13462 * c-typeck.c: Update copyright date.
13464 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13466 * c-typeck.c (build_c_cast): Always warn when casting
13467 from a pointer to an integer of different size, even if
13468 the node was constant.
13470 2006-01-05 Richard Guenther <rguenther@suse.de>
13472 PR tree-optimization/22555
13473 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13474 if one structure field is an array.
13475 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13476 operands even if we found a subvar, but ignore VOPs in this
13478 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13480 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13482 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13484 PR middle-end/24998
13485 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13487 2006-01-05 Richard Guenther <rguenther@suse.de>
13488 Diego Novillo <dnovillo@redhat.com>
13490 * tree-pass.h (TODO_remove_unused_locals): Define.
13491 * gimple-low.c (expand_var_p, remove_useless_vars,
13492 pass_remove_useless_vars): Remove. Update all users.
13493 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13494 (remove_unused_locals): New function.
13495 * tree-flow.h (remove_unused_locals): Declare.
13496 * passes.c (execute_todo): Call remove_unused_locals if
13497 TODO_remove_unused_locals is set.
13498 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13499 * tree-ssa-dce.c (pass_dce): Likewise.
13500 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13502 2006-01-05 Richard Guenther <rguenther@suse.de>
13504 * tree-flow.h (struct fieldoff): Decompose field to
13505 type, size and decl.
13506 * tree-ssa-alias.c (create_sft): Take type as parameter.
13507 (create_overlap_variables_for): Store type, size and decl
13508 in the fieldoff structure.
13509 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13510 of struct fieldoff.
13511 (push_fields_onto_fieldstack): Likewise.
13512 (create_variable_info_for): Likewise. Use offset for the
13513 SFT name if the decl is not available.
13515 2006-01-04 Paul Brook <paul@codesourcery.com>
13517 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13519 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13521 * lambda-code.c (can_put_in_inner_loop): Relax
13523 (can_put_after_inner_loop): New function.
13524 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13525 (perfect_nestify): Change to make copies and modify uses.
13527 2006-01-04 Richard Henderson <rth@redhat.com>
13529 Merge from gomp branch:
13530 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13531 via integer constant.
13532 (pragma_lex): Remove.
13533 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13534 rather than parsing it.
13535 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13536 handle_pragma_extern_prefix): Add %< %> quotes.
13537 (registered_pragmas): New.
13538 (c_register_pragma_1): New.
13539 (c_register_pragma): Use it.
13540 (c_register_pragma_with_expansion): Likewise.
13541 (c_invoke_pragma_handler): New.
13542 (init_pragma): Use cpp_register_deferred_pragma directly for
13544 * c-pragma.h (enum pragma_kind): New.
13545 (pragma_handler): New.
13546 (c_invoke_pragma_handler): Declare.
13547 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13549 * c-common.h (c_common_pch_pragma): Update decl.
13550 * Makefile.in (c-parser.o): Update dependencies.
13551 (GTFILES): Add c-pragma.h.
13552 * c-parser.c (struct c_token): Add pragma_kind.
13553 (struct c_parser): Add in_pragma.
13554 (c_lex_one_token): Always initialize keyword and pragma_kind.
13555 Extract data for CPP_PRAGMA.
13556 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13557 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13558 Don't allow CPP_PRAGMA_EOL if in_pragma.
13559 (c_parser_consume_pragma): New.
13560 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13561 (c_parser_skip_to_end_of_parameter): Likewise.
13562 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13563 (c_parser_skip_to_pragma_eol): New.
13564 (c_parser_external_declaration): Handle CPP_PRAGMA.
13565 (c_parser_compound_statement_nostart): Likewise.
13566 (c_parser_statement_after_labels): Likewise.
13567 (c_parser_pragma): New.
13568 (pragma_lex): Likewise.
13569 (c_parser_pragma_pch_preprocess): New.
13570 (c_parser_new): Merge into ...
13571 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13573 2006-01-04 Jeff Law <law@redhat.com>
13576 * tree-cfg.c (bsi_replace): Remove the original statement
13577 from the EH throw statement table.
13579 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13581 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13582 make the prototype extern "C" and add throw ().
13585 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13586 and pos non-negative and pos + len <= 32.
13587 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13588 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13589 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13592 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13593 as well as sizes not multiple of component size.
13596 * function.c (instantiate_expr): New function.
13597 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13598 walk its DECL_VALUE_EXPR with instantiate_expr.
13600 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13601 DW_OP_deref{,_size} if address isn't going to be added.
13603 2006-01-04 Ben Elliston <bje@au.ibm.com>
13605 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13606 * config/fp-bit.c: Likewise.
13608 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13610 * dominance.c: Add comment about why we use DFS numbering
13613 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13614 Richard Henderson <rth@redhat.com>
13616 Merge from gomp-branch:
13617 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13618 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13620 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13622 PR rtl-optimization/25578
13623 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13624 pass a parameter to simplify_shift_const if changing ASHIFTRT
13627 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13629 * builtins.c (get_builtin_sync_mem): New function.
13630 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13631 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13632 Call get_builtin_sync_mem to generate mem rtx.
13634 2006-01-03 Richard Guenther <rguenther@suse.de>
13637 * stmt.c (add_case_node): Make sure to clear overflow flags
13640 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13642 Merge from gomp-branch.
13643 * config/sparc/sync.md: New file.
13644 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13645 UNSPECV_LDSTUB): New constants.
13646 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13647 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13648 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13651 2006-01-03 Roger Sayle <roger@eyesopen.com>
13653 * combine.c (reg_subword_p): New predicate to test whether the
13654 destination of a set refers to a subword/piece of a register.
13655 (try_combine): Generalize the code to merge the setting of a
13656 pseudo to a constant followed by a set of a subword of that
13657 register to a constant.
13659 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13661 * basic-block.h (control_flow_graph): Change the type of
13662 x_label_to_block_map to VEC(basic_block,gc) *.
13663 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13664 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13666 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13667 VEC(basic_block,heap) *.
13668 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13669 ssa_prop_fini): Adjust the uses of cfg_blocks.
13671 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13673 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13675 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13676 hashing trees instead of a pointer hash.
13677 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13678 compare for MEM_EXPR.
13680 PR rtl-optimization/25130
13681 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13682 when comparing MEMs for GCSE
13684 2006-01-03 Ben Elliston <bje@au.ibm.com>
13686 * targhooks.h (default_decimal_float_supported_p): Declare.
13687 * targhooks.c (default_decimal_float_supported_p): Define.
13688 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13689 `default_decimal_float_supported_p'.
13690 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13692 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13694 * combine.c (apply_distributive_law <SUBREG>): Check
13695 TRULY_NOOP_TRUNCATION.
13697 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13699 * dwarf2out.c (have_switched_text_section): Delete.
13700 (have_multiple_function_sections): New.
13701 (have_location_lists): Make 'bool'.
13702 (add_AT_loc_list): Use 'true' not '1'.
13703 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13704 (output_loc_list): Use have_multiple_function_sections.
13705 (output_ranges): Likewise.
13706 (dwarf2out_begin_function): Set have_multiple_function_sections if
13708 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13709 Check function_section rather than DECL_SECTION_NAME.
13710 (dwarf2out_finish): Use have_multiple_function_sections.
13711 Don't clear have_location_lists.
13713 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13714 Jan Hubicka <jh@suse.cz>
13716 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13717 case of conditional jump jumping to the next instruction.
13718 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13719 cases of conditional jump jumping to the next instruction.
13721 2006-01-02 Jan Hubicka <jh@suse.cz>
13723 * i386.c (*_cost): Add COSTS_N_INSNS.
13724 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13726 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13729 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13731 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13733 * config/arm/arm.c (all_fpus): Fix comment typo.
13734 * config/darwin.c: Likewise.
13735 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13736 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13737 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13739 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13741 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13742 (rs6000_split_compare_and_swapqhi): New.
13743 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13744 (sync_compare_and_swapqhi_internal): New.
13745 * config/rs6000/rs6000-protos.h: Declare.